Merge pull request #422 from wwarthen/work

Config File Cleanup

Binary/ReadMe.txt

@@ -6,37 +6,37 @@
 ***                                                                 ***
 ***********************************************************************
 
-This directory ("Binary") is part of the RomWBW System Software 
-distribution archive.  It contains the completed binary outputs of 
-the build process.  As described below, these files are used to 
+This directory ("Binary") is part of the RomWBW System Software
+distribution archive.  It contains the completed binary outputs of
+the build process.  As described below, these files are used to
 assemble a working RetroBrew Computers system.
 
-The files in this directory are created by the build process that is 
-documented in the ReadMe.txt file in the Source directory.  When 
-released the directory is populated with the default output files.  
-However, the output of custom builds will be placed in this directory 
+The files in this directory are created by the build process that is
+documented in the ReadMe.txt file in the Source directory.  When
+released the directory is populated with the default output files.
+However, the output of custom builds will be placed in this directory
 as well.
 
-If you only see a few files in this directory, then you downloaded 
-just the source from GitHub.  To retrieve the full release download 
-package, go to https://github.com/wwarthen/RomWBW.  On this page, 
-look for the text "XX releases" where XX is a number. Click on this 
-text to go to the releases page.  On this page, you will see the 
-latest releases listed.  For each release, you will see a package 
-file called something like "RomWBW-2.9.0-Package.zip".  Click on the 
+If you only see a few files in this directory, then you downloaded
+just the source from GitHub.  To retrieve the full release download
+package, go to https://github.com/wwarthen/RomWBW.  On this page,
+look for the text "XX releases" where XX is a number. Click on this
+text to go to the releases page.  On this page, you will see the
+latest releases listed.  For each release, you will see a package
+file called something like "RomWBW-2.9.0-Package.zip".  Click on the
 package file for the release you want to download.
 
 ROM Firmware Images (<plt>_<cfg>.rom)
 -------------------------------------
 
-The files with a ".rom" extension are binary images ready to program 
-into an appropriate PROM.  These files are named with the format 
-<plt>_<cfg>.rom. <plt> refers to the primary platform such as Zeta, 
-N8, Mark IV, etc.  <cfg> refers to the specific configuration.  In 
-general, there will be a standard configuration ("std") for each 
-platform.  So, for example, the file called MK4_std.rom is a ROM 
-image for the Mark IV with the standard configuration. If a custom 
-configuration called "custom" is created and built, a new file called 
+The files with a ".rom" extension are binary images ready to program
+into an appropriate PROM.  These files are named with the format
+<plt>_<cfg>.rom. <plt> refers to the primary platform such as Zeta,
+N8, Mark IV, etc.  <cfg> refers to the specific configuration.  In
+general, there will be a standard configuration ("std") for each
+platform.  So, for example, the file called MK4_std.rom is a ROM
+image for the Mark IV with the standard configuration. If a custom
+configuration called "custom" is created and built, a new file called
 MK4_custom.rom will be added to this directory.
 
 Documentation of the pre-built ROM Images is contained in
@@ -54,52 +54,52 @@ contents.  Refer to the RomWBW User Guide for more information.
 ROM Executable Images (<plt>_<cfg>.com)
 ---------------------------------------
 
-When a ROM image (".rom") is created, an executable version of the 
-ROM is also created.  These files have the same naming convention as 
-the ROM Image files, but have the extension ".com".  These files can 
+When a ROM image (".rom") is created, an executable version of the
+ROM is also created.  These files have the same naming convention as
+the ROM Image files, but have the extension ".com".  These files can
 be copied to a working system and run like a normal CP/M application.
 
-When run on the target system, they install in RAM just like they had 
+When run on the target system, they install in RAM just like they had
 been loaded from  ROM.  This allows a new ROM build to be tested
 without reprogramming the actual ROM.
 
-WARNING: In a few cases the .com file is too big to load.  If you get 
-a message like "Full" or "BAD LOAD" when trying to load one of the 
-.com files, it is too big.  In these cases, you will not be able to 
+WARNING: In a few cases the .com file is too big to load.  If you get
+a message like "Full" or "BAD LOAD" when trying to load one of the
+.com files, it is too big.  In these cases, you will not be able to
 test the ROM prior to programming it.
 
 VDU ROM Image (vdu.rom)
 -----------------------
 
-The VDU video board requires a dedicated onboard ROM containing the 
-font data.  The "vdu.rom" file contains the binary data to program 
+The VDU video board requires a dedicated onboard ROM containing the
+font data.  The "vdu.rom" file contains the binary data to program
 onto that chip.
 
-Disk Images (fd_*.img, hd_*.img, psys.img)
-------------------------------------------
+Disk Images (fd_*.img, hd_*.img)
+--------------------------------
 
-RomWBW includes a mechanism for generating floppy disk and hard disk 
-binary images that are ready to copy directly to a floppy, hard disk, 
-CF Card, or SD Card which will then be ready for use in any 
+RomWBW includes a mechanism for generating floppy disk and hard disk
+binary images that are ready to copy directly to a floppy, hard disk,
+CF Card, or SD Card which will then be ready for use in any
 RomWBW-based system.
 
-Essentially, these files contain prepared floppy and hard disk images 
-with a large set of programs and related files.  By copying the 
-contents of these files to appropriate media as described below, you 
+Essentially, these files contain prepared floppy and hard disk images
+with a large set of programs and related files.  By copying the
+contents of these files to appropriate media as described below, you
 can quickly create ready-to-use media.  Win32DiskImager or
 RawWriteWin can be used to copy images directly to media.  These
 programs are included in the RomWBW Tools directory.
 
-The fd_*.img files are floppy disk images.  They are sized for 1.44MB 
-floppy media and can be copied to actual floppy disks using 
-RawWriteWin (as long as you have access to a floppy drive on your 
-Windows computer).  The resulting floppy disks will be usable on any 
+The fd_*.img files are floppy disk images.  They are sized for 1.44MB
+floppy media and can be copied to actual floppy disks using
+RawWriteWin (as long as you have access to a floppy drive on your
+Windows computer).  The resulting floppy disks will be usable on any
 RomWBW-based system with floppy drive(s).
 
-Likewise, the hd512_*.img and hd1k_*.img files are hard disk images.  
-Each file is intended to be copied to the start of any type of hard 
-disk media (typically a CF Card or SD Card). The resulting media will 
-be usable on any RomWBW-based system that accepts the corresponding 
+Likewise, the hd512_*.img and hd1k_*.img files are hard disk images.
+Each file is intended to be copied to the start of any type of hard
+disk media (typically a CF Card or SD Card). The resulting media will
+be usable on any RomWBW-based system that accepts the corresponding
 media type.
 
 NOTE: The hd512_*.img files are equivalent to the hd_*.img
@@ -109,34 +109,58 @@ maximum number of CP/M directory entries from 512 to 1024.
 Refer to the ReadMe.txt in the Source/Images directory
 for details.
 
-Documentation of the pre-built disk images is contained in the 
+Documentation of the pre-built disk images is contained in the
 "RomWBW User Guide" found in the Doc directory.  The contents of
 the disk images is contained in the "RomWBW Disk Catalog", but it
 is significantly out-of-date.
 
-The contents of the floppy/hard disk images are created by 
-the BuildImages.cmd script in the Source directory.  Additional 
-information on how to generate custom disk images is found in the 
+The contents of the floppy/hard disk images are created by
+the BuildImages.cmd script in the Source directory.  Additional
+information on how to generate custom disk images is found in the
 Source\Images ReadMe.txt file.
 
-The psys.img file contains a full implementation of the UCSD p-System 
-for the Z80 running under RomWBW.  This image file must be placed on 
-disk media by itself (not appended or concatenated with hd*.img files.  
-Refer to the Source/pSys/ReadMe.txt file for more information on the 
+Disk Images (hd512_combo.img, hd1k_combo.img, *_std_hd1k_combo.img)
+-------------------------------------------------------------------
+
+The hd512_combo.img and hd1k_combo.img file are the primary combo
+disk image files suitable for most platforms.
+
+The *_std_hd1k_combo.img files are platform specific combo files
+typically used in romless platforms, they also contain RomWBW binary code
+that is loaded at boot time into RAM
+
+Disk Images (hd1k_prefix.dat, *_std_hd1k_prefix.dat)
+----------------------------------------------------
+
+The hd1k_prefix.dat file is part of the combo disk images and is
+applied to hd1k image files as a prefix, it contains the standard
+partion table.
+
+The *_std_hd1k_prefix.dat files are platform specific prefixes
+typically used in romless platforms, they also contain RomWBW binary code
+that is loaded at boot time into RAM
+
+Disk Images (psys.img)
+----------------------
+
+The psys.img file contains a full implementation of the UCSD p-System
+for the Z80 running under RomWBW.  This image file must be placed on
+disk media by itself (not appended or concatenated with hd*.img files.
+Refer to the Source/pSys/ReadMe.txt file for more information on the
 p-System implementation.
 
 Propeller ROM Images (*.eeprom)
 -------------------------------
 
-The files with and extension of ".eeprom" contain the binary images 
-to be programmed into the Propeller-based boards.  The list below 
+The files with and extension of ".eeprom" contain the binary images
+to be programmed into the Propeller-based boards.  The list below
 indicates which file targets each of the Propeller board variants:
 
 	ParPortProp	ParPortProp.eeprom
 	PropIO V1	PropIO.eeprom
 	PropIO V2	PropIO2.eeprom
 
-Refer to the board documentation of the boards for more information 
+Refer to the board documentation of the boards for more information
 on how to program the EEPROMs on these boards.
 
 Apps Directory
@@ -144,4 +168,4 @@ Apps Directory
 
 The Apps subdirectory contains the executable application files that
 are specific to RomWBW.  The source for these applications is found
-in the Source\Apps directory of the distribution.
+in the Source\Apps directory of the distribution.

Doc/ChangeLog.txt

@@ -14,7 +14,7 @@ Version 3.5
 - DDW: Added support for Duodyne Media board
 - WBW: Auto restore TMS video on user reset (CP/M warm boot)
 - L?B: Added support for NABU w/ RomWBW Option Board
-- M?P: Reorganization of Doc directory introducing subfolders
+- MAP: Reorganization of Doc directory introducing subfolders
 - WBW: Upgraded BBCBASIC to v5.00
 - W?S: Updated FLASH utility to v1.3.9
 - WBW: Support RCBus PS/2 Keyboard (EP/Sally)
@@ -26,6 +26,15 @@ Version 3.5
 - M?R: Reviewed and substantially improved the Applications document
 - WBW: Added support for DS1305 RTC on S100 FPGA Z80
 - WBW: Added support for Les Bird's RCBus Graphics/Sound/Joystick module
+- WBW: Added support for Les Bird's Dual 16C550 UART module
+- WBW: Refactor UART driver for more flexible configuration
+- M?R: Added hour/minute/second display to timer app
+- WBW: Substantial customization of NZ-COM disk image
+- WBW: Refactor build post-processing (ZRC, ZZRCC, etc.)
+- MAP: Improved section Real Time Clock in User Guide document
+- WBW: Support for Hitachi HD44780-based LCD display
+- DRJ: Added support for Genesis STD Bus Z180 platform
+- MAP: Improved section Disk Management in User Guide document
 
 Version 3.4
 -----------
@@ -694,4 +703,4 @@ interrupts disabled the BIOS will now start OK even if some vagrant
 hardware is asserting an interrupt (DISKIO).  Seems like this is better
 anyway -- general idea is that we only enable interupts precisely
 when desired for very specific controled purposes since there is no
-concept of interrupt dispatching available.
+concept of interrupt dispatching available.

Doc/Contrib/ZSystem.txt

@@ -20,7 +20,7 @@ Beyond the construction and integration of the actual DOS itself, the majority o
 
 The remainder of this document details the changes I made as I went along.  In all cases, my goal was to keep the result as close to the original distribution as possible.  I started by copying all of the files from the distribution (contained in zsdos2.zip) into Support\ZSDOS.  From there I tested, modified, updated, and customized as documented below.  Finally, I cherry picked files that made sense to include on the ZSystem ROM disks.
 
-1. CLOCKS.DAT has been updated to include the RomWBW clock driver, HBCLK.  I have also added the SIMHCLOK clock driver.
+1. CLOCKS.DAT has been updated to include the RomWBW clock driver, WBWCLK.  I have also added the SIMHCLOK clock driver.
 
 2. STAMPS.DAT has been replaced with an updated version.  The update was called STAMPS11.DAT and was found on the Walnut Creek CP/M CDROM.  The original version has a bug that prevents RSX (resident system extension) mode to load properly.
 

Doc/Testing Notes.txt

@@ -1,144 +0,0 @@
-SIMH (X)
-----
-- Test UART driver
-- Test HDSK driver
-
-Zeta 1 (X)
-------
-- Test UART driver
-- Test PPP detection (startup w/ and w/o PPP)
-- Test boot to CRT
-- Test PPPSD driver
-- Test PPPCON driver (video & kbd)
-- Test FD driver
-- Test FDU app
-
-Zeta 2 (X)
-------
-- Test UART driver
-- Test PPP detection (startup w/ and w/o PPP)
-- Test boot to CRT
-- Test PPPSD driver
-- Test PPPCON driver (video & kbd)
-- Test FD driver
-- Test FDU app
-
-RCBus (X)
-------
-- Test SIO driver (Serial Module)
-- Test ACIA driver (Dual Serial Module)
-- Test IDE driver (Compact Flash Module)
-- Test PPIDE driver (IDE Module)
-- Test FD driver (SMC and WDC)
-- Test FDU app (SMC and WDC)
-
-N8-2312 (X)
--------
-- Test ASCI driver
-- Test SD driver (CSIO mode)
-- Test FD driver
-- Test FDU app
-- Test TMS driver (video & kbd)
-
-N8-2511 (X)
--------
-- Test ASCI driver
-- Test SD driver (Juha mode)
-- Test FD driver
-- Test FDU app
-- Test TMS driver (video & kbd)
-
-SBC (X)
----
-- Test UART driver
-- Test PPIDE driver
-- Test PPISD driver
-- Test PRP detection
-- Test boot to CRT console
-
-MK4 (X)
----
-- Test ASCI driver
-- Test IDE driver
-- Test SD driver
-- Test PRP detection
-
-RAMF (X)
-----
-- Test RAMF driver
-
-PRP (X)
----
-- Test PRPSD driver
-- Test PRPCON driver (video & kbd)
-
-SCG (X)
----
-- Test TMS driver (video)
-
-VDU (X)
----
-- Test CVDU driver (video & kbd)
-
-CVDU (X)
-----
-- Test CVDU driver (video & kbd)
-
-VGA (X)
----
-- Test VGA driver (video & kbd)
-
-DIO (X)
----
-- Test FD driver
-- Test FDU app
-- Test IDE driver
-
-DIO3 (X)
-----
-- Test FD driver
-- Test FDU app
-- Test PPIDE driver
-
-DIDE (X)
-----
-- Test FD driver
-- Test FDU app
-- Test IDE driver
-
-DSD (X)
----
-- Test SD driver
-
-4UART (X)
------
-- Test UART driver
-
-
-UNA (X)
----
-- General Startup
-- Boot from disk functionality
-- Image loading
-- Monitor
-- XM app
-- ASSIGN app
-- MODE app
-- SYSCOPY app
-- OSLDR app
-- FDU app
-- FDISK80 app
-
-GENERAL (X)
--------
-- Boot to ROM
-- Boot to Disk
-- Boot to Monitor
-- XM app
-- XM port auto-detect
-- ASSIGN app
-- MODE app
-- SYSCOPY app
-- FDU app
-- FDISK80 app
-- TUNE app

ReadMe.md

@@ -1,290 +1,293 @@
-
-
-**RomWBW ReadMe** \
-Version 3.5 \
-Wayne Warthen  ([wwarthen@gmail.com](mailto:wwarthen@gmail.com)) \
-08 Jul 2024
-
-# Overview
-
-RomWBW software provides a complete, commercial quality implementation
-of CP/M (and workalike) operating systems and applications for modern
-Z80/180/280 retro-computing hardware systems. A wide variety of
-platforms are supported including those produced by these developer
-communities:
-
-- [RetroBrew Computers](https://www.retrobrewcomputers.org)
-  (<https://www.retrobrewcomputers.org>)
-- [RC2014](https://rc2014.co.uk) (<https://rc2014.co.uk>),  
-  [RC2014-Z80](https://groups.google.com/g/rc2014-z80)
-  (<https://groups.google.com/g/rc2014-z80>)
-- [Retro Computing](https://groups.google.com/g/retro-comp)
-  (<https://groups.google.com/g/retro-comp>)
-- [Small Computer Central](https://smallcomputercentral.com/)
-  (<https://smallcomputercentral.com/>)
-
-A complete list of the currently supported platforms is found in the
-\[Installation\] section.
-
-General features include:
-
-- Z80 Family CPUs including Z80, Z180, and Z280
-- Banked memory services for several banking designs
-- Disk drivers for RAM, ROM, Floppy, IDE ATA/ATAPI, CF, SD, USB, Zip,
-  Iomega
-- Serial drivers including UART (16550-like), ASCI, ACIA, SIO
-- Video drivers including TMS9918, SY6545, MOS8563, HD6445
-- Keyboard (PS/2) drivers via VT8242 or PPI interfaces
-- Real time clock drivers including DS1302, BQ4845
-- OSes: CP/M 2.2, ZSDOS, CP/M 3, NZ-COM, ZPM3, QPM, p-System, and
-  FreeRTOS
-- Built-in VT-100 terminal emulation support
-
-RomWBW is distributed as both source code and pre-built ROM and disk
-images. Some of the provided software can be launched directly from the
-ROM firmware itself:
-
-- System Monitor
-- Operating Systems (CP/M 2.2, ZSDOS)
-- ROM BASIC (Nascom BASIC and Tasty BASIC)
-- ROM Forth
-
-A dynamic disk drive letter assignment mechanism allows mapping
-operating system drive letters to any available disk media.
-Additionally, mass storage devices (IDE Disk, CF Card, SD Card, etc.)
-support the use of multiple slices (up to 256 per device). Each slice
-contains a complete CP/M filesystem and can be mapped independently to
-any drive letter. This overcomes the inherent size limitations in legacy
-OSes and allows up to 2GB of accessible storage on a single device.
-
-The pre-built ROM firmware images are generally suitable for most users.
-However, it is also very easy to modify and build custom ROM images that
-fully tailor the firmware to your specific preferences. All tools
-required to build custom ROM firmware under Windows are included – no
-need to install assemblers, etc. The firmware can also be built using
-Linux or MacOS after confirming a few standard tools have been
-installed.
-
-Multiple disk images are provided in the distribution. Most disk images
-contain a complete, bootable, ready-to-run implementation of a specific
-operating system. A “combo” disk image contains multiple slices, each
-with a full operating system implementation. If you use this disk image,
-you can easily pick whichever operating system you want to boot without
-changing media.
-
-By design, RomWBW isolates all of the hardware specific functions in the
-ROM chip itself. The ROM provides a hardware abstraction layer such that
-all of the operating systems and applications on a disk will run on any
-RomWBW-based system. To put it simply, you can take a disk (or CF/SD/USB
-Card) and move it between systems transparently.
-
-A tool is provided that allows you to access a FAT-12/16/32 filesystem.
-The FAT filesystem may be coresident on the same disk media as RomWBW
-slices or on stand-alone media. This makes exchanging files with modern
-OSes such as Windows, MacOS, and Linux very easy.
-
-# Acquiring RomWBW
-
-The [RomWBW Repository](https://github.com/wwarthen/RomWBW)
-(<https://github.com/wwarthen/RomWBW>) on GitHub is the official
-distribution location for all project source and documentation. The
-fully-built distribution releases are available on the [RomWBW Releases
-Page](https://github.com/wwarthen/RomWBW/releases)
-(<https://github.com/wwarthen/RomWBW/releases>) of the repository. On
-this page, you will normally see a Development Snapshot as well as
-recent stable releases. Unless you have a specific reason, I suggest you
-stick to the most recent stable release. Expand the “Assets” drop-down
-for the release you want to download, then select the asset named
-RomWBW-vX.X.X-Package.zip. The Package asset includes all pre-built ROM
-and Disk images as well as full source code. The other assets contain
-only source code and do not have the pre-built ROM or disk images.
-
-All source code and distributions are maintained on GitHub. Code
-contributions are very welcome.
-
-# Installation & Operation
-
-In general, installation of RomWBW on your platform is very simple. You
-just need to program your ROM with the correct ROM image from the RomWBW
-distribution. Subsequently, you can write disk images on your disk
-drives (IDE disk, CF Card, SD Card, etc.) which then provides even more
-functionality.
-
-Complete instructions for installation and operation of RomWBW are found
-in the [RomWBW User
-Guide](https://github.com/wwarthen/RomWBW/raw/master/Doc/RomWBW%20User%20Guide.pdf).
-
-## Documentation
-
-Documentation for RomWBW includes:
-
-- [RomWBW User
-  Guide](https://github.com/wwarthen/RomWBW/raw/master/Doc/RomWBW%20User%20Guide.pdf)
-- [RomWBW System
-  Guide](https://github.com/wwarthen/RomWBW/raw/master/Doc/RomWBW%20System%20Guide.pdf)
-- [RomWBW
-  Applications](https://github.com/wwarthen/RomWBW/raw/master/Doc/RomWBW%20Applications.pdf)
-- [RomWBW
-  Errata](https://github.com/wwarthen/RomWBW/raw/master/Doc/RomWBW%20Errata.pdf)
-
-# Acknowledgments
-
-I want to acknowledge that a great deal of the code and inspiration for
-RomWBW has been provided by or derived from the work of others in the
-RetroBrew Computers Community. I sincerely appreciate all of their
-contributions. The list below is probably missing many names – please
-let me know if I missed you!
-
-- Andrew Lynch started it all when he created the N8VEM Z80 SBC which
-  became the first platform RomWBW supported. Some of his original code
-  can still be found in RomWBW.
-
-- Dan Werner wrote much of the code from which RomWBW was originally
-  derived and he has always been a great source of knowledge and advice.
-
-- Douglas Goodall contributed code, time, testing, and advice in “the
-  early days”. He created an entire suite of application programs to
-  enhance the use of RomWBW. Unfortunately, they have become unusable
-  due to internal changes within RomWBW. As of RomWBW 2.6, these
-  applications are no longer provided.
-
-- Sergey Kiselev created several hardware platforms for RomWBW including
-  the very popular Zeta.
-
-- David Giles created support for the Z180 CSIO which is now included SD
-  Card driver.
-
-- Phil Summers contributed the Forth and BASIC adaptations in ROM, the
-  AY-3-8910 sound driver, DMA support, and a long list of general code
-  and documentation enhancements.
-
-- Ed Brindley contributed some of the code that supports the RCBus
-  platform.
-
-- Spencer Owen created the RC2014 series of hobbyist kit computers which
-  has exponentially increased RomWBW usage. Some of his kits include
-  RomWBW.
-
-- Stephen Cousins has likewise created a series of hobbyist kit
-  computers at Small Computer Central and is distributing RomWBW with
-  many of them.
-
-- Alan Cox has contributed some driver code and has provided a great
-  deal of advice.
-
-- The CP/NET client files were developed by Douglas Miller.
-
-- Phillip Stevens contributed support for FreeRTOS.
-
-- Curt Mayer contributed the original Linux / MacOS build process.
-
-- UNA BIOS and FDISK80 are the products of John Coffman.
-
-- FLASH4 is a product of Will Sowerbutts.
-
-- CLRDIR is a product of Max Scane.
-
-- Tasty Basic is a product of Dimitri Theulings.
-
-- Dean Netherton contributed the sound driver interface and the SN76489
-  sound driver.
-
-- The RomWBW Disk Catalog document was produced by Mykl Orders.
-
-- Rob Prouse has created many of the supplemental disk images including
-  Aztec C, HiTech C, SLR Z80ASM, Turbo Pascal, Microsoft BASIC Compiler,
-  Microsoft Fortran Compiler, and a Games compendium.
-
-- Martin R has provided substantial help reviewing and improving the
-  User Guide.
-
-- Jacques Pelletier has contributed the DS1501 RTC driver code.
-
-- Jose Collado has contributed enhancements to the TMS driver including
-  compatibility with standard TMS register configuration.
-
-- Kevin Boone has contributed a generic HBIOS date/time utility (WDATE).
-
-- Matt Carroll has contributed a fix to XM.COM that corrects the port
-  specification when doing a send.
-
-- Dean Jenkins enhanced the build process to accommodate the Raspberry
-  Pi 4.
-
-- Tom Plano has contributed a new utility (HTALK) to allow talking
-  directly to HBIOS COM ports.
-
-- Lars Nelson has contributed several generic utilities such as a
-  universal (OS agnostic) UNARC application.
-
-- Dylan Hall added support for specifying a secondary console.
-
-- Bill Shen has contributed boot loaders for several of his systems.
-
-- Laszlo Szolnoki has contributed an EF9345 video display controller
-  driver.
-
-- Ladislau Szilagyi has contributed an enhanced version of CP/M Cowgol
-  that leverages RomWBW memory banking.
-
-- Les Bird has contributed support for the NABU w/ Option Board
-
-Contributions of all kinds to RomWBW are very welcome.
-
-# Licensing
-
-RomWBW is free software: you can redistribute it and/or modify it under
-the terms of the GNU General Public License as published by the Free
-Software Foundation, either version 3 of the License, or (at your
-option) any later version.
-
-RomWBW is distributed in the hope that it will be useful, but WITHOUT
-ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
-FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
-more details.
-
-You should have received a copy of the GNU General Public License along
-with RomWBW. If not, see <https://www.gnu.org/licenses/>.
-
-Portions of RomWBW were created by, contributed by, or derived from the
-work of others. It is believed that these works are being used in
-accordance with the intentions and/or licensing of their creators.
-
-If anyone feels their work is being used outside of its intended
-licensing, please notify:
-
-> Wayne Warthen  
-> <wwarthen@gmail.com>
-
-RomWBW is an aggregate work. It is composed of many individual,
-standalone programs that are distributed as a whole to function as a
-cohesive system. Each program may have its own licensing which may be
-different from other programs within the aggregate.
-
-In some cases, a single program (e.g., CP/M Operating System) is
-composed of multiple components with different licenses. It is believed
-that in all such cases the licenses are compatible with GPL version 3.
-
-RomWBW encourages code contributions from others. Contributors may
-assert their own copyright in their contributions by annotating the
-contributed source code appropriately. Contributors are further
-encouraged to submit their contributions via the RomWBW source code
-control system to ensure their contributions are clearly documented.
-
-All contributions to RomWBW are subject to this license.
-
-# Getting Assistance
-
-The best way to get assistance with RomWBW or any aspect of the
-RetroBrew Computers projects is via one of the community forums:
-
-- [RetroBrew Computers Forum](https://www.retrobrewcomputers.org/forum/)
-- [RC2014 Google
-  Group](https://groups.google.com/forum/#!forum/rc2014-z80)
-- [retro-comp Google
-  Group](https://groups.google.com/forum/#!forum/retro-comp)
-
-Submission of issues and bugs are welcome at the [RomWBW GitHub
-Repository](https://github.com/wwarthen/RomWBW).
-
-Also feel free to email Wayne Warthen at <wwarthen@gmail.com>.
+
+
+**RomWBW ReadMe** \
+Version 3.5 \
+Wayne Warthen  ([wwarthen@gmail.com](mailto:wwarthen@gmail.com)) \
+06 Sep 2024
+
+# Overview
+
+RomWBW software provides a complete, commercial quality implementation
+of CP/M (and workalike) operating systems and applications for modern
+Z80/180/280 retro-computing hardware systems. A wide variety of
+platforms are supported including those produced by these developer
+communities:
+
+- [RetroBrew Computers](https://www.retrobrewcomputers.org)
+  (<https://www.retrobrewcomputers.org>)
+- [RC2014](https://rc2014.co.uk) (<https://rc2014.co.uk>),  
+  [RC2014-Z80](https://groups.google.com/g/rc2014-z80)
+  (<https://groups.google.com/g/rc2014-z80>)
+- [Retro Computing](https://groups.google.com/g/retro-comp)
+  (<https://groups.google.com/g/retro-comp>)
+- [Small Computer Central](https://smallcomputercentral.com/)
+  (<https://smallcomputercentral.com/>)
+
+A complete list of the currently supported platforms is found in the
+\[Installation\] section.
+
+General features include:
+
+- Z80 Family CPUs including Z80, Z180, and Z280
+- Banked memory services for several banking designs
+- Disk drivers for RAM, ROM, Floppy, IDE ATA/ATAPI, CF, SD, USB, Zip,
+  Iomega
+- Serial drivers including UART (16550-like), ASCI, ACIA, SIO
+- Video drivers including TMS9918, SY6545, MOS8563, HD6445
+- Keyboard (PS/2) drivers via VT8242 or PPI interfaces
+- Real time clock drivers including DS1302, BQ4845
+- OSes: CP/M 2.2, ZSDOS, CP/M 3, NZ-COM, ZPM3, QPM, p-System, and
+  FreeRTOS
+- Built-in VT-100 terminal emulation support
+
+RomWBW is distributed as both source code and pre-built ROM and disk
+images. Some of the provided software can be launched directly from the
+ROM firmware itself:
+
+- System Monitor
+- Operating Systems (CP/M 2.2, ZSDOS)
+- ROM BASIC (Nascom BASIC and Tasty BASIC)
+- ROM Forth
+
+A dynamic disk drive letter assignment mechanism allows mapping
+operating system drive letters to any available disk media.
+Additionally, mass storage devices (IDE Disk, CF Card, SD Card, etc.)
+support the use of multiple slices (up to 256 per device). Each slice
+contains a complete CP/M filesystem and can be mapped independently to
+any drive letter. This overcomes the inherent size limitations in legacy
+OSes and allows up to 2GB of accessible storage on a single device.
+
+The pre-built ROM firmware images are generally suitable for most users.
+However, it is also very easy to modify and build custom ROM images that
+fully tailor the firmware to your specific preferences. All tools
+required to build custom ROM firmware under Windows are included – no
+need to install assemblers, etc. The firmware can also be built using
+Linux or MacOS after confirming a few standard tools have been
+installed.
+
+Multiple disk images are provided in the distribution. Most disk images
+contain a complete, bootable, ready-to-run implementation of a specific
+operating system. A “combo” disk image contains multiple slices, each
+with a full operating system implementation. If you use this disk image,
+you can easily pick whichever operating system you want to boot without
+changing media.
+
+By design, RomWBW isolates all of the hardware specific functions in the
+ROM chip itself. The ROM provides a hardware abstraction layer such that
+all of the operating systems and applications on a disk will run on any
+RomWBW-based system. To put it simply, you can take a disk (or CF/SD/USB
+Card) and move it between systems transparently.
+
+A tool is provided that allows you to access a FAT-12/16/32 filesystem.
+The FAT filesystem may be coresident on the same disk media as RomWBW
+slices or on stand-alone media. This makes exchanging files with modern
+OSes such as Windows, MacOS, and Linux very easy.
+
+# Acquiring RomWBW
+
+The [RomWBW Repository](https://github.com/wwarthen/RomWBW)
+(<https://github.com/wwarthen/RomWBW>) on GitHub is the official
+distribution location for all project source and documentation. The
+fully-built distribution releases are available on the [RomWBW Releases
+Page](https://github.com/wwarthen/RomWBW/releases)
+(<https://github.com/wwarthen/RomWBW/releases>) of the repository. On
+this page, you will normally see a Development Snapshot as well as
+recent stable releases. Unless you have a specific reason, I suggest you
+stick to the most recent stable release. Expand the “Assets” drop-down
+for the release you want to download, then select the asset named
+RomWBW-vX.X.X-Package.zip. The Package asset includes all pre-built ROM
+and Disk images as well as full source code. The other assets contain
+only source code and do not have the pre-built ROM or disk images.
+
+All source code and distributions are maintained on GitHub. Code
+contributions are very welcome.
+
+# Installation & Operation
+
+In general, installation of RomWBW on your platform is very simple. You
+just need to program your ROM with the correct ROM image from the RomWBW
+distribution. Subsequently, you can write disk images on your disk
+drives (IDE disk, CF Card, SD Card, etc.) which then provides even more
+functionality.
+
+Complete instructions for installation and operation of RomWBW are found
+in the [RomWBW User
+Guide](https://github.com/wwarthen/RomWBW/raw/master/Doc/RomWBW%20User%20Guide.pdf).
+
+## Documentation
+
+Documentation for RomWBW includes:
+
+- [RomWBW User
+  Guide](https://github.com/wwarthen/RomWBW/raw/master/Doc/RomWBW%20User%20Guide.pdf)
+- [RomWBW System
+  Guide](https://github.com/wwarthen/RomWBW/raw/master/Doc/RomWBW%20System%20Guide.pdf)
+- [RomWBW
+  Applications](https://github.com/wwarthen/RomWBW/raw/master/Doc/RomWBW%20Applications.pdf)
+- [RomWBW
+  Errata](https://github.com/wwarthen/RomWBW/raw/master/Doc/RomWBW%20Errata.pdf)
+
+# Acknowledgments
+
+I want to acknowledge that a great deal of the code and inspiration for
+RomWBW has been provided by or derived from the work of others in the
+RetroBrew Computers Community. I sincerely appreciate all of their
+contributions. The list below is probably missing many names – please
+let me know if I missed you!
+
+- Andrew Lynch started it all when he created the N8VEM Z80 SBC which
+  became the first platform RomWBW supported. Some of his original code
+  can still be found in RomWBW.
+
+- Dan Werner wrote much of the code from which RomWBW was originally
+  derived and he has always been a great source of knowledge and advice.
+
+- Douglas Goodall contributed code, time, testing, and advice in “the
+  early days”. He created an entire suite of application programs to
+  enhance the use of RomWBW. Unfortunately, they have become unusable
+  due to internal changes within RomWBW. As of RomWBW 2.6, these
+  applications are no longer provided.
+
+- Sergey Kiselev created several hardware platforms for RomWBW including
+  the very popular Zeta.
+
+- David Giles created support for the Z180 CSIO which is now included SD
+  Card driver.
+
+- Phil Summers contributed the Forth and BASIC adaptations in ROM, the
+  AY-3-8910 sound driver, DMA support, and a long list of general code
+  and documentation enhancements.
+
+- Ed Brindley contributed some of the code that supports the RCBus
+  platform.
+
+- Spencer Owen created the RC2014 series of hobbyist kit computers which
+  has exponentially increased RomWBW usage. Some of his kits include
+  RomWBW.
+
+- Stephen Cousins has likewise created a series of hobbyist kit
+  computers at Small Computer Central and is distributing RomWBW with
+  many of them.
+
+- Alan Cox has contributed some driver code and has provided a great
+  deal of advice.
+
+- The CP/NET client files were developed by Douglas Miller.
+
+- Phillip Stevens contributed support for FreeRTOS.
+
+- Curt Mayer contributed the original Linux / MacOS build process.
+
+- UNA BIOS and FDISK80 are the products of John Coffman.
+
+- FLASH4 is a product of Will Sowerbutts.
+
+- CLRDIR is a product of Max Scane.
+
+- Tasty Basic is a product of Dimitri Theulings.
+
+- Dean Netherton contributed the sound driver interface and the SN76489
+  sound driver.
+
+- The RomWBW Disk Catalog document was produced by Mykl Orders.
+
+- Rob Prouse has created many of the supplemental disk images including
+  Aztec C, HiTech C, SLR Z80ASM, Turbo Pascal, Microsoft BASIC Compiler,
+  Microsoft Fortran Compiler, and a Games compendium.
+
+- Martin R has provided substantial help reviewing and improving the
+  User Guide and Applications documents.
+
+- Mark Pruden has also contributed a great deal of content to the User
+  Guide.
+
+- Jacques Pelletier has contributed the DS1501 RTC driver code.
+
+- Jose Collado has contributed enhancements to the TMS driver including
+  compatibility with standard TMS register configuration.
+
+- Kevin Boone has contributed a generic HBIOS date/time utility (WDATE).
+
+- Matt Carroll has contributed a fix to XM.COM that corrects the port
+  specification when doing a send.
+
+- Dean Jenkins enhanced the build process to accommodate the Raspberry
+  Pi 4.
+
+- Tom Plano has contributed a new utility (HTALK) to allow talking
+  directly to HBIOS COM ports.
+
+- Lars Nelson has contributed several generic utilities such as a
+  universal (OS agnostic) UNARC application.
+
+- Dylan Hall added support for specifying a secondary console.
+
+- Bill Shen has contributed boot loaders for several of his systems.
+
+- Laszlo Szolnoki has contributed an EF9345 video display controller
+  driver.
+
+- Ladislau Szilagyi has contributed an enhanced version of CP/M Cowgol
+  that leverages RomWBW memory banking.
+
+- Les Bird has contributed support for the NABU w/ Option Board
+
+Contributions of all kinds to RomWBW are very welcome.
+
+# Licensing
+
+RomWBW is free software: you can redistribute it and/or modify it under
+the terms of the GNU General Public License as published by the Free
+Software Foundation, either version 3 of the License, or (at your
+option) any later version.
+
+RomWBW is distributed in the hope that it will be useful, but WITHOUT
+ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
+more details.
+
+You should have received a copy of the GNU General Public License along
+with RomWBW. If not, see <https://www.gnu.org/licenses/>.
+
+Portions of RomWBW were created by, contributed by, or derived from the
+work of others. It is believed that these works are being used in
+accordance with the intentions and/or licensing of their creators.
+
+If anyone feels their work is being used outside of its intended
+licensing, please notify:
+
+> Wayne Warthen  
+> <wwarthen@gmail.com>
+
+RomWBW is an aggregate work. It is composed of many individual,
+standalone programs that are distributed as a whole to function as a
+cohesive system. Each program may have its own licensing which may be
+different from other programs within the aggregate.
+
+In some cases, a single program (e.g., CP/M Operating System) is
+composed of multiple components with different licenses. It is believed
+that in all such cases the licenses are compatible with GPL version 3.
+
+RomWBW encourages code contributions from others. Contributors may
+assert their own copyright in their contributions by annotating the
+contributed source code appropriately. Contributors are further
+encouraged to submit their contributions via the RomWBW source code
+control system to ensure their contributions are clearly documented.
+
+All contributions to RomWBW are subject to this license.
+
+# Getting Assistance
+
+The best way to get assistance with RomWBW or any aspect of the
+RetroBrew Computers projects is via one of the community forums:
+
+- [RetroBrew Computers Forum](https://www.retrobrewcomputers.org/forum/)
+- [RC2014 Google
+  Group](https://groups.google.com/forum/#!forum/rc2014-z80)
+- [retro-comp Google
+  Group](https://groups.google.com/forum/#!forum/retro-comp)
+
+Submission of issues and bugs are welcome at the [RomWBW GitHub
+Repository](https://github.com/wwarthen/RomWBW).
+
+Also feel free to email Wayne Warthen at <wwarthen@gmail.com>.

ReadMe.txt

@@ -1,296 +1,299 @@
-RomWBW ReadMe
-Wayne Warthen (wwarthen@gmail.com)
-08 Jul 2024
-
-
-
-OVERVIEW
-
-
-RomWBW software provides a complete, commercial quality implementation
-of CP/M (and workalike) operating systems and applications for modern
-Z80/180/280 retro-computing hardware systems. A wide variety of
-platforms are supported including those produced by these developer
-communities:
-
--   RetroBrew Computers (https://www.retrobrewcomputers.org)
--   RC2014 (https://rc2014.co.uk),
-    RC2014-Z80 (https://groups.google.com/g/rc2014-z80)
--   Retro Computing (https://groups.google.com/g/retro-comp)
--   Small Computer Central (https://smallcomputercentral.com/)
-
-A complete list of the currently supported platforms is found in the
-[Installation] section.
-
-General features include:
-
--   Z80 Family CPUs including Z80, Z180, and Z280
--   Banked memory services for several banking designs
--   Disk drivers for RAM, ROM, Floppy, IDE ATA/ATAPI, CF, SD, USB, Zip,
-    Iomega
--   Serial drivers including UART (16550-like), ASCI, ACIA, SIO
--   Video drivers including TMS9918, SY6545, MOS8563, HD6445
--   Keyboard (PS/2) drivers via VT8242 or PPI interfaces
--   Real time clock drivers including DS1302, BQ4845
--   OSes: CP/M 2.2, ZSDOS, CP/M 3, NZ-COM, ZPM3, QPM, p-System, and
-    FreeRTOS
--   Built-in VT-100 terminal emulation support
-
-RomWBW is distributed as both source code and pre-built ROM and disk
-images. Some of the provided software can be launched directly from the
-ROM firmware itself:
-
--   System Monitor
--   Operating Systems (CP/M 2.2, ZSDOS)
--   ROM BASIC (Nascom BASIC and Tasty BASIC)
--   ROM Forth
-
-A dynamic disk drive letter assignment mechanism allows mapping
-operating system drive letters to any available disk media.
-Additionally, mass storage devices (IDE Disk, CF Card, SD Card, etc.)
-support the use of multiple slices (up to 256 per device). Each slice
-contains a complete CP/M filesystem and can be mapped independently to
-any drive letter. This overcomes the inherent size limitations in legacy
-OSes and allows up to 2GB of accessible storage on a single device.
-
-The pre-built ROM firmware images are generally suitable for most users.
-However, it is also very easy to modify and build custom ROM images that
-fully tailor the firmware to your specific preferences. All tools
-required to build custom ROM firmware under Windows are included – no
-need to install assemblers, etc. The firmware can also be built using
-Linux or MacOS after confirming a few standard tools have been
-installed.
-
-Multiple disk images are provided in the distribution. Most disk images
-contain a complete, bootable, ready-to-run implementation of a specific
-operating system. A “combo” disk image contains multiple slices, each
-with a full operating system implementation. If you use this disk image,
-you can easily pick whichever operating system you want to boot without
-changing media.
-
-By design, RomWBW isolates all of the hardware specific functions in the
-ROM chip itself. The ROM provides a hardware abstraction layer such that
-all of the operating systems and applications on a disk will run on any
-RomWBW-based system. To put it simply, you can take a disk (or CF/SD/USB
-Card) and move it between systems transparently.
-
-A tool is provided that allows you to access a FAT-12/16/32 filesystem.
-The FAT filesystem may be coresident on the same disk media as RomWBW
-slices or on stand-alone media. This makes exchanging files with modern
-OSes such as Windows, MacOS, and Linux very easy.
-
-
-
-ACQUIRING ROMWBW
-
-
-The RomWBW Repository (https://github.com/wwarthen/RomWBW) on GitHub is
-the official distribution location for all project source and
-documentation. The fully-built distribution releases are available on
-the RomWBW Releases Page (https://github.com/wwarthen/RomWBW/releases)
-of the repository. On this page, you will normally see a Development
-Snapshot as well as recent stable releases. Unless you have a specific
-reason, I suggest you stick to the most recent stable release. Expand
-the “Assets” drop-down for the release you want to download, then select
-the asset named RomWBW-vX.X.X-Package.zip. The Package asset includes
-all pre-built ROM and Disk images as well as full source code. The other
-assets contain only source code and do not have the pre-built ROM or
-disk images.
-
-All source code and distributions are maintained on GitHub. Code
-contributions are very welcome.
-
-
-
-INSTALLATION & OPERATION
-
-
-In general, installation of RomWBW on your platform is very simple. You
-just need to program your ROM with the correct ROM image from the RomWBW
-distribution. Subsequently, you can write disk images on your disk
-drives (IDE disk, CF Card, SD Card, etc.) which then provides even more
-functionality.
-
-Complete instructions for installation and operation of RomWBW are found
-in the RomWBW User Guide.
-
-
-Documentation
-
-Documentation for RomWBW includes:
-
--   RomWBW User Guide
--   RomWBW System Guide
--   RomWBW Applications
--   RomWBW Errata
-
-
-
-ACKNOWLEDGMENTS
-
-
-I want to acknowledge that a great deal of the code and inspiration for
-RomWBW has been provided by or derived from the work of others in the
-RetroBrew Computers Community. I sincerely appreciate all of their
-contributions. The list below is probably missing many names – please
-let me know if I missed you!
-
--   Andrew Lynch started it all when he created the N8VEM Z80 SBC which
-    became the first platform RomWBW supported. Some of his original
-    code can still be found in RomWBW.
-
--   Dan Werner wrote much of the code from which RomWBW was originally
-    derived and he has always been a great source of knowledge and
-    advice.
-
--   Douglas Goodall contributed code, time, testing, and advice in “the
-    early days”. He created an entire suite of application programs to
-    enhance the use of RomWBW. Unfortunately, they have become unusable
-    due to internal changes within RomWBW. As of RomWBW 2.6, these
-    applications are no longer provided.
-
--   Sergey Kiselev created several hardware platforms for RomWBW
-    including the very popular Zeta.
-
--   David Giles created support for the Z180 CSIO which is now included
-    SD Card driver.
-
--   Phil Summers contributed the Forth and BASIC adaptations in ROM, the
-    AY-3-8910 sound driver, DMA support, and a long list of general code
-    and documentation enhancements.
-
--   Ed Brindley contributed some of the code that supports the RCBus
-    platform.
-
--   Spencer Owen created the RC2014 series of hobbyist kit computers
-    which has exponentially increased RomWBW usage. Some of his kits
-    include RomWBW.
-
--   Stephen Cousins has likewise created a series of hobbyist kit
-    computers at Small Computer Central and is distributing RomWBW with
-    many of them.
-
--   Alan Cox has contributed some driver code and has provided a great
-    deal of advice.
-
--   The CP/NET client files were developed by Douglas Miller.
-
--   Phillip Stevens contributed support for FreeRTOS.
-
--   Curt Mayer contributed the original Linux / MacOS build process.
-
--   UNA BIOS and FDISK80 are the products of John Coffman.
-
--   FLASH4 is a product of Will Sowerbutts.
-
--   CLRDIR is a product of Max Scane.
-
--   Tasty Basic is a product of Dimitri Theulings.
-
--   Dean Netherton contributed the sound driver interface and the
-    SN76489 sound driver.
-
--   The RomWBW Disk Catalog document was produced by Mykl Orders.
-
--   Rob Prouse has created many of the supplemental disk images
-    including Aztec C, HiTech C, SLR Z80ASM, Turbo Pascal, Microsoft
-    BASIC Compiler, Microsoft Fortran Compiler, and a Games compendium.
-
--   Martin R has provided substantial help reviewing and improving the
-    User Guide.
-
--   Jacques Pelletier has contributed the DS1501 RTC driver code.
-
--   Jose Collado has contributed enhancements to the TMS driver
-    including compatibility with standard TMS register configuration.
-
--   Kevin Boone has contributed a generic HBIOS date/time utility
-    (WDATE).
-
--   Matt Carroll has contributed a fix to XM.COM that corrects the port
-    specification when doing a send.
-
--   Dean Jenkins enhanced the build process to accommodate the Raspberry
-    Pi 4.
-
--   Tom Plano has contributed a new utility (HTALK) to allow talking
-    directly to HBIOS COM ports.
-
--   Lars Nelson has contributed several generic utilities such as a
-    universal (OS agnostic) UNARC application.
-
--   Dylan Hall added support for specifying a secondary console.
-
--   Bill Shen has contributed boot loaders for several of his systems.
-
--   Laszlo Szolnoki has contributed an EF9345 video display controller
-    driver.
-
--   Ladislau Szilagyi has contributed an enhanced version of CP/M Cowgol
-    that leverages RomWBW memory banking.
-
--   Les Bird has contributed support for the NABU w/ Option Board
-
-Contributions of all kinds to RomWBW are very welcome.
-
-
-
-LICENSING
-
-
-RomWBW is free software: you can redistribute it and/or modify it under
-the terms of the GNU General Public License as published by the Free
-Software Foundation, either version 3 of the License, or (at your
-option) any later version.
-
-RomWBW is distributed in the hope that it will be useful, but WITHOUT
-ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
-FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
-more details.
-
-You should have received a copy of the GNU General Public License along
-with RomWBW. If not, see https://www.gnu.org/licenses/.
-
-Portions of RomWBW were created by, contributed by, or derived from the
-work of others. It is believed that these works are being used in
-accordance with the intentions and/or licensing of their creators.
-
-If anyone feels their work is being used outside of its intended
-licensing, please notify:
-
-  Wayne Warthen
-  wwarthen@gmail.com
-
-RomWBW is an aggregate work. It is composed of many individual,
-standalone programs that are distributed as a whole to function as a
-cohesive system. Each program may have its own licensing which may be
-different from other programs within the aggregate.
-
-In some cases, a single program (e.g., CP/M Operating System) is
-composed of multiple components with different licenses. It is believed
-that in all such cases the licenses are compatible with GPL version 3.
-
-RomWBW encourages code contributions from others. Contributors may
-assert their own copyright in their contributions by annotating the
-contributed source code appropriately. Contributors are further
-encouraged to submit their contributions via the RomWBW source code
-control system to ensure their contributions are clearly documented.
-
-All contributions to RomWBW are subject to this license.
-
-
-
-GETTING ASSISTANCE
-
-
-The best way to get assistance with RomWBW or any aspect of the
-RetroBrew Computers projects is via one of the community forums:
-
--   RetroBrew Computers Forum
--   RC2014 Google Group
--   retro-comp Google Group
-
-Submission of issues and bugs are welcome at the RomWBW GitHub
-Repository.
-
-Also feel free to email Wayne Warthen at wwarthen@gmail.com.
+RomWBW ReadMe
+Wayne Warthen (wwarthen@gmail.com)
+06 Sep 2024
+
+
+
+OVERVIEW
+
+
+RomWBW software provides a complete, commercial quality implementation
+of CP/M (and workalike) operating systems and applications for modern
+Z80/180/280 retro-computing hardware systems. A wide variety of
+platforms are supported including those produced by these developer
+communities:
+
+-   RetroBrew Computers (https://www.retrobrewcomputers.org)
+-   RC2014 (https://rc2014.co.uk),
+    RC2014-Z80 (https://groups.google.com/g/rc2014-z80)
+-   Retro Computing (https://groups.google.com/g/retro-comp)
+-   Small Computer Central (https://smallcomputercentral.com/)
+
+A complete list of the currently supported platforms is found in the
+[Installation] section.
+
+General features include:
+
+-   Z80 Family CPUs including Z80, Z180, and Z280
+-   Banked memory services for several banking designs
+-   Disk drivers for RAM, ROM, Floppy, IDE ATA/ATAPI, CF, SD, USB, Zip,
+    Iomega
+-   Serial drivers including UART (16550-like), ASCI, ACIA, SIO
+-   Video drivers including TMS9918, SY6545, MOS8563, HD6445
+-   Keyboard (PS/2) drivers via VT8242 or PPI interfaces
+-   Real time clock drivers including DS1302, BQ4845
+-   OSes: CP/M 2.2, ZSDOS, CP/M 3, NZ-COM, ZPM3, QPM, p-System, and
+    FreeRTOS
+-   Built-in VT-100 terminal emulation support
+
+RomWBW is distributed as both source code and pre-built ROM and disk
+images. Some of the provided software can be launched directly from the
+ROM firmware itself:
+
+-   System Monitor
+-   Operating Systems (CP/M 2.2, ZSDOS)
+-   ROM BASIC (Nascom BASIC and Tasty BASIC)
+-   ROM Forth
+
+A dynamic disk drive letter assignment mechanism allows mapping
+operating system drive letters to any available disk media.
+Additionally, mass storage devices (IDE Disk, CF Card, SD Card, etc.)
+support the use of multiple slices (up to 256 per device). Each slice
+contains a complete CP/M filesystem and can be mapped independently to
+any drive letter. This overcomes the inherent size limitations in legacy
+OSes and allows up to 2GB of accessible storage on a single device.
+
+The pre-built ROM firmware images are generally suitable for most users.
+However, it is also very easy to modify and build custom ROM images that
+fully tailor the firmware to your specific preferences. All tools
+required to build custom ROM firmware under Windows are included – no
+need to install assemblers, etc. The firmware can also be built using
+Linux or MacOS after confirming a few standard tools have been
+installed.
+
+Multiple disk images are provided in the distribution. Most disk images
+contain a complete, bootable, ready-to-run implementation of a specific
+operating system. A “combo” disk image contains multiple slices, each
+with a full operating system implementation. If you use this disk image,
+you can easily pick whichever operating system you want to boot without
+changing media.
+
+By design, RomWBW isolates all of the hardware specific functions in the
+ROM chip itself. The ROM provides a hardware abstraction layer such that
+all of the operating systems and applications on a disk will run on any
+RomWBW-based system. To put it simply, you can take a disk (or CF/SD/USB
+Card) and move it between systems transparently.
+
+A tool is provided that allows you to access a FAT-12/16/32 filesystem.
+The FAT filesystem may be coresident on the same disk media as RomWBW
+slices or on stand-alone media. This makes exchanging files with modern
+OSes such as Windows, MacOS, and Linux very easy.
+
+
+
+ACQUIRING ROMWBW
+
+
+The RomWBW Repository (https://github.com/wwarthen/RomWBW) on GitHub is
+the official distribution location for all project source and
+documentation. The fully-built distribution releases are available on
+the RomWBW Releases Page (https://github.com/wwarthen/RomWBW/releases)
+of the repository. On this page, you will normally see a Development
+Snapshot as well as recent stable releases. Unless you have a specific
+reason, I suggest you stick to the most recent stable release. Expand
+the “Assets” drop-down for the release you want to download, then select
+the asset named RomWBW-vX.X.X-Package.zip. The Package asset includes
+all pre-built ROM and Disk images as well as full source code. The other
+assets contain only source code and do not have the pre-built ROM or
+disk images.
+
+All source code and distributions are maintained on GitHub. Code
+contributions are very welcome.
+
+
+
+INSTALLATION & OPERATION
+
+
+In general, installation of RomWBW on your platform is very simple. You
+just need to program your ROM with the correct ROM image from the RomWBW
+distribution. Subsequently, you can write disk images on your disk
+drives (IDE disk, CF Card, SD Card, etc.) which then provides even more
+functionality.
+
+Complete instructions for installation and operation of RomWBW are found
+in the RomWBW User Guide.
+
+
+Documentation
+
+Documentation for RomWBW includes:
+
+-   RomWBW User Guide
+-   RomWBW System Guide
+-   RomWBW Applications
+-   RomWBW Errata
+
+
+
+ACKNOWLEDGMENTS
+
+
+I want to acknowledge that a great deal of the code and inspiration for
+RomWBW has been provided by or derived from the work of others in the
+RetroBrew Computers Community. I sincerely appreciate all of their
+contributions. The list below is probably missing many names – please
+let me know if I missed you!
+
+-   Andrew Lynch started it all when he created the N8VEM Z80 SBC which
+    became the first platform RomWBW supported. Some of his original
+    code can still be found in RomWBW.
+
+-   Dan Werner wrote much of the code from which RomWBW was originally
+    derived and he has always been a great source of knowledge and
+    advice.
+
+-   Douglas Goodall contributed code, time, testing, and advice in “the
+    early days”. He created an entire suite of application programs to
+    enhance the use of RomWBW. Unfortunately, they have become unusable
+    due to internal changes within RomWBW. As of RomWBW 2.6, these
+    applications are no longer provided.
+
+-   Sergey Kiselev created several hardware platforms for RomWBW
+    including the very popular Zeta.
+
+-   David Giles created support for the Z180 CSIO which is now included
+    SD Card driver.
+
+-   Phil Summers contributed the Forth and BASIC adaptations in ROM, the
+    AY-3-8910 sound driver, DMA support, and a long list of general code
+    and documentation enhancements.
+
+-   Ed Brindley contributed some of the code that supports the RCBus
+    platform.
+
+-   Spencer Owen created the RC2014 series of hobbyist kit computers
+    which has exponentially increased RomWBW usage. Some of his kits
+    include RomWBW.
+
+-   Stephen Cousins has likewise created a series of hobbyist kit
+    computers at Small Computer Central and is distributing RomWBW with
+    many of them.
+
+-   Alan Cox has contributed some driver code and has provided a great
+    deal of advice.
+
+-   The CP/NET client files were developed by Douglas Miller.
+
+-   Phillip Stevens contributed support for FreeRTOS.
+
+-   Curt Mayer contributed the original Linux / MacOS build process.
+
+-   UNA BIOS and FDISK80 are the products of John Coffman.
+
+-   FLASH4 is a product of Will Sowerbutts.
+
+-   CLRDIR is a product of Max Scane.
+
+-   Tasty Basic is a product of Dimitri Theulings.
+
+-   Dean Netherton contributed the sound driver interface and the
+    SN76489 sound driver.
+
+-   The RomWBW Disk Catalog document was produced by Mykl Orders.
+
+-   Rob Prouse has created many of the supplemental disk images
+    including Aztec C, HiTech C, SLR Z80ASM, Turbo Pascal, Microsoft
+    BASIC Compiler, Microsoft Fortran Compiler, and a Games compendium.
+
+-   Martin R has provided substantial help reviewing and improving the
+    User Guide and Applications documents.
+
+-   Mark Pruden has also contributed a great deal of content to the User
+    Guide.
+
+-   Jacques Pelletier has contributed the DS1501 RTC driver code.
+
+-   Jose Collado has contributed enhancements to the TMS driver
+    including compatibility with standard TMS register configuration.
+
+-   Kevin Boone has contributed a generic HBIOS date/time utility
+    (WDATE).
+
+-   Matt Carroll has contributed a fix to XM.COM that corrects the port
+    specification when doing a send.
+
+-   Dean Jenkins enhanced the build process to accommodate the Raspberry
+    Pi 4.
+
+-   Tom Plano has contributed a new utility (HTALK) to allow talking
+    directly to HBIOS COM ports.
+
+-   Lars Nelson has contributed several generic utilities such as a
+    universal (OS agnostic) UNARC application.
+
+-   Dylan Hall added support for specifying a secondary console.
+
+-   Bill Shen has contributed boot loaders for several of his systems.
+
+-   Laszlo Szolnoki has contributed an EF9345 video display controller
+    driver.
+
+-   Ladislau Szilagyi has contributed an enhanced version of CP/M Cowgol
+    that leverages RomWBW memory banking.
+
+-   Les Bird has contributed support for the NABU w/ Option Board
+
+Contributions of all kinds to RomWBW are very welcome.
+
+
+
+LICENSING
+
+
+RomWBW is free software: you can redistribute it and/or modify it under
+the terms of the GNU General Public License as published by the Free
+Software Foundation, either version 3 of the License, or (at your
+option) any later version.
+
+RomWBW is distributed in the hope that it will be useful, but WITHOUT
+ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
+more details.
+
+You should have received a copy of the GNU General Public License along
+with RomWBW. If not, see https://www.gnu.org/licenses/.
+
+Portions of RomWBW were created by, contributed by, or derived from the
+work of others. It is believed that these works are being used in
+accordance with the intentions and/or licensing of their creators.
+
+If anyone feels their work is being used outside of its intended
+licensing, please notify:
+
+  Wayne Warthen
+  wwarthen@gmail.com
+
+RomWBW is an aggregate work. It is composed of many individual,
+standalone programs that are distributed as a whole to function as a
+cohesive system. Each program may have its own licensing which may be
+different from other programs within the aggregate.
+
+In some cases, a single program (e.g., CP/M Operating System) is
+composed of multiple components with different licenses. It is believed
+that in all such cases the licenses are compatible with GPL version 3.
+
+RomWBW encourages code contributions from others. Contributors may
+assert their own copyright in their contributions by annotating the
+contributed source code appropriately. Contributors are further
+encouraged to submit their contributions via the RomWBW source code
+control system to ensure their contributions are clearly documented.
+
+All contributions to RomWBW are subject to this license.
+
+
+
+GETTING ASSISTANCE
+
+
+The best way to get assistance with RomWBW or any aspect of the
+RetroBrew Computers projects is via one of the community forums:
+
+-   RetroBrew Computers Forum
+-   RC2014 Google Group
+-   retro-comp Google Group
+
+Submission of issues and bugs are welcome at the RomWBW GitHub
+Repository.
+
+Also feel free to email Wayne Warthen at wwarthen@gmail.com.

Source/Apps/Tune/tune.asm

@@ -50,6 +50,7 @@
 ;   2024-04-16 [WBW] Add support for NABU AY-3-8910
 ;   2024-05-10 [WBW] Hack to avoid corrupting bits 6&7 of PSG R7 for NABU!
 ;   2024-07-08 [WBW] Add support for Les Bird's Graphics, Sound, Joystick
+;   2024-07-11 [WBW] Updated, Les Bird's module now uses same settings as EB6
 ;_______________________________________________________________________________
 ;
 ; ToDo:
@@ -573,23 +574,20 @@ CFGSIZ	.EQU	$ - CFGTBL
 	.DB	$07,	$D8,	$D0,	$D8,	$FF,	$FF,	$FF	; RCZ80 W/ RC SOUND MODULE (EB)
 	.DW	HWSTR_RCEB
 ;
-	.DB	$07,	$A0,	$A1,	$A2,	$FF,	$FF,	$FF	; RCZ80 W/ RC SOUND MODULE (EB Rev 6)
-	.DW	HWSTR_RCEB6
+	.DB	$07,	$A0,	$A1,	$A2,	$FF,	$FF,	$FF	; RCZ80 W/ RC SOUND MODULE (MSX)
+	.DW	HWSTR_RCMSX
 ;
 	.DB	$07,	$D1,	$D0,	$D0,	$FF,	$FF,	$FF	; RCZ80 W/ RC SOUND MODULE (MF)
 	.DW	HWSTR_RCMF
 ;
 	.DB	$07,	$33,	$32,	$32,	$FF,	$FF,	$FF	; RCZ80 W/ LINC SOUND MODULE
 	.DW	HWSTR_LINC
-;
-	.DB	$07,	$A1,	$A0,	$A1,	$FF,	$FF,	$FF	; RCZ80 W/ RCGSJ
-	.DW	HWSTR_RCGSJ
 ;
 	.DB	$08,	$68,	$60,	$68,	$C0,	$FF,	$FF	; RCZ180 W/ RC SOUND MODULE (EB)
 	.DW	HWSTR_RCEB
 ;
-	.DB	$08,	$A0,	$A1,	$A2,	$C0,	$FF,	$FF	; RCZ180 W/ RC SOUND MODULE (EB Rev 6)
-	.DW	HWSTR_RCEB6
+	.DB	$08,	$A0,	$A1,	$A2,	$C0,	$FF,	$FF	; RCZ180 W/ RC SOUND MODULE (MSX)
+	.DW	HWSTR_RCMSX
 ;
 	.DB	$08,	$61,	$60,	$60,	$C0,	$FF,	$FF	; RCZ180 W/ RC SOUND MODULE (MF)
 	.DW	HWSTR_RCMF
@@ -600,23 +598,20 @@ CFGSIZ	.EQU	$ - CFGTBL
 	.DB	$09,	$D8,	$D0,	$D8,	$FF,	$FF,	$FF	; EZZ80 W/ RC SOUND MODULE (EB)
 	.DW	HWSTR_RCEB
 ;
-	.DB	$09,	$A0,	$A1,	$A2,	$FF,	$FF,	$FF	; EZZ80 W/ RC SOUND MODULE (EB Rev 6)
-	.DW	HWSTR_RCEB6
+	.DB	$09,	$A0,	$A1,	$A2,	$FF,	$FF,	$FF	; EZZ80 W/ RC SOUND MODULE (MSX)
+	.DW	HWSTR_RCMSX
 ;
 	.DB	$09,	$D1,	$D0,	$D0,	$FF,	$FF,	$FF	; EZZ80 W/ RC SOUND MODULE (MF)
 	.DW	HWSTR_RCMF
 ;
 	.DB	$09,	$33,	$32,	$32,	$FF,	$FF,	$FF	; EZZ80 W/ LINC SOUND MODULE
 	.DW	HWSTR_LINC
-;
-	.DB	$07,	$A1,	$A0,	$A1,	$FF,	$FF,	$FF	; EZZ80 W/ RCGSJ
-	.DW	HWSTR_RCGSJ
 ;
 	.DB	$0A,	$68,	$60,	$68,	$C0,	$FF,	$FF	; SCZ180 W/ RC SOUND MODULE (EB)
 	.DW	HWSTR_RCEB
 ;
-	.DB	$0A,	$A0,	$A1,	$A2,	$C0,	$FF,	$FF	; SCZ180 W/ RC SOUND MODULE (EB Rev 6)
-	.DW	HWSTR_RCEB6
+	.DB	$0A,	$A0,	$A1,	$A2,	$C0,	$FF,	$FF	; SCZ180 W/ RC SOUND MODULE (MS6)
+	.DW	HWSTR_RCMSX
 ;
 	.DB	$0A,	$61,	$60,	$60,	$C0,	$FF,	$FF	; SCZ180 W/ RC SOUND MODULE (MF)
 	.DW	HWSTR_RCMF
@@ -627,8 +622,8 @@ CFGSIZ	.EQU	$ - CFGTBL
 	.DB	$0B,	$D8,	$D0,	$D8,	$FF,	$FF,	$FF	; RCZ280 W/ RC SOUND MODULE (EB)
 	.DW	HWSTR_RCEB
 ;
-	.DB	$0B,	$A0,	$A1,	$A2,	$FF,	$FF,	$FF	; RCZ280 W/ RC SOUND MODULE (EB Rev 6)
-	.DW	HWSTR_RCEB6
+	.DB	$0B,	$A0,	$A1,	$A2,	$FF,	$FF,	$FF	; RCZ280 W/ RC SOUND MODULE (MSX)
+	.DW	HWSTR_RCMSX
 ;
 	.DB	$0B,	$D1,	$D0,	$D0,	$FF,	$FF,	$FF	; RCZ280 W/ RC SOUND MODULE (MF)
 	.DW	HWSTR_RCMF
@@ -673,7 +668,7 @@ TMP		.DB	0	; work around use of undocumented Z80
 HBIOSMD		.DB	0	; NON-ZERO IF USING HBIOS SOUND DRIVER, ZERO OTHERWISE
 OCTAVEADJ	.DB	0	; AMOUNT TO ADJUST OCTAVE UP OR DOWN
 
-MSGBAN		.DB	"Tune Player for RomWBW v3.9, 8-Jul-2024",0
+MSGBAN		.DB	"Tune Player for RomWBW v3.10, 11-Jul-2024",0
 MSGUSE		.DB	"Copyright (C) 2024, Wayne Warthen, GNU GPL v3",13,10
 		.DB	"PTxPlayer Copyright (C) 2004-2007 S.V.Bulba",13,10
 		.DB	"MYMPlay by Marq/Lieves!Tuore",13,10,13,10
@@ -694,9 +689,8 @@ MSGERR		.DB	"App Error", 0
 HWSTR_SCG	.DB	"SCG ECB Board",0
 HWSTR_N8	.DB	"N8 Onboard Sound",0
 HWSTR_RCEB	.DB	"RCBus Sound Module (EB)",0
-HWSTR_RCEB6	.DB	"RCBus Sound Module (EBv6)",0
+HWSTR_RCMSX	.DB	"RCBus Sound Module (MSX)",0
 HWSTR_RCMF	.DB	"RCBus Sound Module (MF)",0
-HWSTR_RCGSJ	.DB	"RCBus Graphics, Sound Joystick",0
 HWSTR_LINC	.DB	"Z50 LiNC Sound Module",0
 HWSTR_MBC	.DB	"NHYODYNE Sound Module",0
 HWSTR_DUO	.DB	"DUODYNE Sound Module",0

Source/Apps/rtc.asm

@@ -33,6 +33,8 @@
 ;
 ;[2023/07/07] v1.9 Support DUODYNE
 ;
+;[2024/09/02] v1.10  Support Genesis STD Z180
+;
 ; Constants
 ;
 mask_data	.EQU	%10000000	; RTC data line
@@ -52,6 +54,7 @@ PORT_RCZ280	.EQU	$C0		; RTC port for RCZ280
 PORT_MBC	.EQU	$70		; RTC port for MBC
 PORT_RPH	.EQU	$84		; RTC port for RHYOPHYRE
 PORT_DUO	.EQU	$94		; RTC port for DUODYNE
+PORT_STDZ180 .EQU $84         ; RTC Port for STD Bus Z180 board
 
 
 BDOS		.EQU	5		; BDOS invocation vector
@@ -1143,7 +1146,13 @@ HINIT:
 	CP	17		; DUODYNE
 	JP	Z,RTC_INIT2
 ;
-	; Unknown platform
+	LD	C,PORT_STDZ180
+	LD	DE,PLT_STDZ180
+	CP	21		; STD Z180
+	JP	Z,RTC_INIT2
+;
+
+; Unknown platform
 	LD	DE,PLTERR	; BIOS error message
 	LD	C,9		; BDOS string display function
 	CALL	BDOS		; Do it
@@ -1769,6 +1778,7 @@ PLT_RCZ280	.TEXT	", RCBus Z280 RTC Module Latch Port 0xC0\r\n$"
 PLT_MBC		.TEXT	", MBC RTC Latch Port 0x70\r\n$"
 PLT_RPH		.TEXT	", RHYOPHYRE RTC Latch Port 0x84\r\n$"
 PLT_DUO		.TEXT	", DUODYNE RTC Latch Port 0x70\r\n$"
+PLT_STDZ180 .TEXT ", STD Z180 RTC Module latch port 0x84\r\n$"
 
 ;
 ; Generic FOR-NEXT loop algorithm

Source/Doc/Build.cmd

@@ -2,8 +2,12 @@
 setlocal
 
 ::
-:: NOTE: Pandoc and Latex (MiKTeX or TexLive) must be installed
-:: and available on commandline for this build to work!!!
+:: NOTE: Pandoc, LuaLatex (MiKTeX or TexLive), and Roboto Font
+:: must be installed and available on commandline for this build to work!!!
+::
+:: - Pandoc (https://pandoc.org/)
+:: - MiKTeX (https://miktex.org/)
+::   - Install Roboto font from MiKTeX Console
 ::
 
 set TOOLS=..\..\Tools
@@ -11,12 +15,12 @@ set PATH=%TOOLS%\gpp;%PATH%
 
 if not "%1"=="" (call :GenDoc %1 & goto :eof)
 
-call :GenDoc ReadMe
-call :GenDoc UserGuide
-call :GenDoc SystemGuide
-call :GenDoc Applications
-call :GenDoc Catalog
-call :GenDoc Errata
+call :GenDoc ReadMe || exit /b
+call :GenDoc UserGuide || exit /b
+call :GenDoc SystemGuide || exit /b
+call :GenDoc Applications || exit /b
+call :GenDoc Catalog || exit /b
+call :GenDoc Errata || exit /b
 
 if exist ReadMe.gfm copy Readme.gfm ..\..\ReadMe.md || exit /b
 if exist ReadMe.txt copy ReadMe.txt ..\..\ReadMe.txt || exit /b
@@ -35,9 +39,6 @@ echo.
 
 echo Processing document %1...
 
-::gpp -o %1.tmp %1.md
-::gpp -o %1.tmp -U "\\" "" "{" "}{" "}" "{" "}" "#" "" %1.md
-::gpp -o %1.tmp -U "" "" "(" "," ")" "(" ")" "#" "" -M "#" "\n" " " " " "\n" "(" ")" %1.md
 gpp -o %1.tmp -U "$" "$" "{" "}{" "}$" "{" "}" "@@@" "" -M "$" "$" "{" "}{" "}$" "{" "}" %1.md || exit /b
 
 ::pandoc %1.tmp -f markdown -t latex -s -o %1.tex --default-image-extension=pdf || exit /b

Source/Doc/Catalog.md

@@ -217,9 +217,9 @@ on using the applications and files listed.
 | `INITDIR.COM`  | ZSDOS      | ZSDOS Prepare disks for P2DOS Stamps |
 | `KERMIT.COM`   |     --     | Generic CP/M 2.2 Kermit communication application |
 | `LBREXT.COM`   |     --     | Extract library files |
-| `LDDS.COM`     | ZSDOS      | Clock driver |
-| `LDNZT.COM`    | ZSDOS      | Clock driver |
-| `LDP2D.COM`    | ZSDOS      | Clock driver |
+| `LDDS.COM`     | ZSDOS      | Load DateStamper date/time stamping resident extension |
+| `LDNZT.COM`    | ZSDOS      | Load NZT date/time stamping resident extension |
+| `LDP2D.COM`    | ZSDOS      | Load P2DOS date/time stamping resident extension |
 | `LIB.COM`      |     --     | DRI Library manager |
 | `LINK.COM`     |     --     | DRI CPM relocatable linker |
 | `LOAD.COM`     |     --     | DRI hex file loader into memory |
@@ -229,7 +229,7 @@ on using the applications and files listed.
 | `PMARC.COM`    |     --     | LHA file compressor |
 | `PMEXT.COM`    |     --     | Extractor for PMARC archives |
 | `PUTBG.COM`    | ZSDOS      | ZSDOS Prepare disk for backgrounder |
-| `PUTDS.COM`    | ZSDOS      | ZSDOS Prepare disk for datestamper |
+| `PUTDS.COM`    | ZSDOS      | ZSDOS Prepare disk for datestamper date/time stamping|
 | `RELOG.COM`    | ZSDOS      | ZSDOS relog disks after program that bypasses BDOS |
 | `RMAC.COM`     |     --     | DRI Relocatable Macro Assembler |
 | `SETTERM.COM`  | ZSDOS      | ZSDOS Installs terminal control codes into DateSamper utilities |

Source/Doc/Graphics/BankSwitchedMemory.svg

@@ -0,0 +1,366 @@
+<?xml version="1.0" encoding="UTF-8" standalone="no"?>
+<!DOCTYPE svg PUBLIC "-//W3C//DTD SVG 1.1//EN" "http://www.w3.org/Graphics/SVG/1.1/DTD/svg11.dtd">
+<!-- Generated by Microsoft Visio, SVG Export BankSwitchedMemory.svg Page-1 -->
+<svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" xmlns:ev="http://www.w3.org/2001/xml-events"
+		width="6.51042in" height="5.73361in" viewBox="0 0 468.75 412.82" xml:space="preserve" color-interpolation-filters="sRGB"
+		class="st22">
+	<style type="text/css">
+	<![CDATA[
+		.st1 {fill:#c0c0c0;stroke:#000000;stroke-linecap:round;stroke-linejoin:round;stroke-width:0.24}
+		.st2 {fill:#ffffff;stroke:#000000;stroke-linecap:round;stroke-linejoin:round;stroke-width:0.24}
+		.st3 {stroke:#000000;stroke-linecap:round;stroke-linejoin:round;stroke-width:0.24}
+		.st4 {fill:#ffffff;stroke:none;stroke-linecap:butt;stroke-width:7.2}
+		.st5 {fill:#000000;font-family:Calibri;font-size:0.75em}
+		.st6 {fill:#ffffff;stroke:none;stroke-linecap:butt}
+		.st7 {fill:#000000;font-family:Calibri;font-size:1.00001em}
+		.st8 {fill:none;stroke:none;stroke-linecap:round;stroke-linejoin:round;stroke-width:0.75}
+		.st9 {fill:#000000;font-family:Calibri;font-size:0.833336em}
+		.st10 {font-size:1em}
+		.st11 {stroke:#000000;stroke-dasharray:7,5;stroke-linecap:round;stroke-linejoin:round;stroke-width:1}
+		.st12 {fill:#ffffff;stroke:#000000;stroke-linecap:round;stroke-linejoin:round;stroke-width:1.5}
+		.st13 {stroke:#000000;stroke-linecap:round;stroke-linejoin:round;stroke-width:1.5}
+		.st14 {marker-end:url(#mrkr4-136);stroke:#000000;stroke-linecap:round;stroke-linejoin:round;stroke-width:1.5}
+		.st15 {fill:#000000;fill-opacity:1;stroke:#000000;stroke-opacity:1;stroke-width:0.37313432835821}
+		.st16 {fill:#000000;font-family:Calibri;font-size:0.666664em}
+		.st17 {stroke:#000000;stroke-dasharray:1.5,3;stroke-linecap:round;stroke-linejoin:round;stroke-width:1.5}
+		.st18 {marker-end:url(#mrkr4-165);marker-start:url(#mrkr10-163);stroke:#000000;stroke-linecap:round;stroke-linejoin:round;stroke-width:0.24}
+		.st19 {fill:#000000;fill-opacity:1;stroke:#000000;stroke-opacity:1;stroke-width:0.08695652173913}
+		.st20 {marker-end:url(#mrkr4-136);marker-start:url(#mrkr10-193);stroke:#000000;stroke-linecap:round;stroke-linejoin:round;stroke-width:1.5}
+		.st21 {fill:#ffffff;stroke:#000000;stroke-linecap:round;stroke-linejoin:round;stroke-width:1}
+		.st22 {fill:none;fill-rule:evenodd;font-size:12px;overflow:visible;stroke-linecap:square;stroke-miterlimit:3}
+	]]>
+	</style>
+
+	<defs id="Markers">
+		<g id="lend4">
+			<path d="M 2 1 L 0 0 L 2 -1 L 2 1 " style="stroke:none"/>
+		</g>
+		<marker id="mrkr4-136" class="st15" refX="-5.36" orient="auto" markerUnits="strokeWidth" overflow="visible">
+			<use xlink:href="#lend4" transform="scale(-2.68,-2.68) "/>
+		</marker>
+		<g id="lend10">
+			<path
+					d="M 0 0.75 C -0.414214 0.75 -0.75 0.414214 -0.75 0 -0.75 -0.414214 -0.414214 -0.75 0 -0.75 0.414214 -0.75 0.75 -0.414214 0.75 0 0.75 0.414214 0.414214 0.75 0 0.75 Z "
+					style="stroke:none"/>
+		</g>
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+		<marker id="mrkr4-165" class="st19" refX="-23" orient="auto" markerUnits="strokeWidth" overflow="visible">
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+		<g id="group13-1" transform="translate(216.75,-109.92)">
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+			<g id="shape14-2" transform="translate(157.745,0)">
+				<title>Sheet.14</title>
+				<path d="M0 412.82 L11.41 401.41 L11.41 228.61 L0 240.02 L0 412.82 Z" class="st1"/>
+			</g>
+			<g id="shape15-4" transform="translate(0,-172.8)">
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+			</g>
+			<g id="shape16-6">
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+				<rect x="0" y="240.02" width="157.745" height="172.8" class="st2"/>
+			</g>
+		</g>
+		<g id="group9-8" transform="translate(216.75,-282.72)">
+			<title>Data block.9</title>
+			<g id="shape10-9" transform="translate(157.745,0)">
+				<title>Sheet.10</title>
+				<path d="M0 412.82 L11.41 401.41 L11.41 343.81 L0 355.22 L0 412.82 Z" class="st1"/>
+			</g>
+			<g id="shape11-11" transform="translate(0,-57.6)">
+				<title>Sheet.11</title>
+				<path d="M0 412.82 L157.75 412.82 L169.15 401.41 L11.41 401.41 L0 412.82 Z" class="st1"/>
+			</g>
+			<g id="shape12-13">
+				<title>Sheet.12</title>
+				<rect x="0" y="355.22" width="157.745" height="57.6" class="st2"/>
+			</g>
+		</g>
+		<g id="group5-15" transform="translate(216.75,-340.32)">
+			<title>Data block</title>
+			<g id="shape6-16" transform="translate(157.745,0)">
+				<title>Sheet.6</title>
+				<path d="M0 412.82 L11.41 401.41 L11.41 379.81 L0 391.22 L0 412.82 Z" class="st1"/>
+			</g>
+			<g id="shape7-18" transform="translate(0,-21.6)">
+				<title>Sheet.7</title>
+				<path d="M0 412.82 L157.75 412.82 L169.15 401.41 L11.41 401.41 L0 412.82 Z" class="st1"/>
+			</g>
+			<g id="shape8-20">
+				<title>Sheet.8</title>
+				<rect x="0" y="391.22" width="157.745" height="21.6" class="st2"/>
+			</g>
+		</g>
+		<g id="shape2-22" transform="translate(65.55,486.457) rotate(180)">
+			<title>Sheet.2</title>
+			<desc>$FE00</desc>
+			<path d="M0 412.82 L36 412.82" class="st3"/>
+			<rect x="-29.1072" y="-418.22" width="22.2144" height="10.7998" transform="rotate(180)" class="st4"/>
+			<text x="-29.11" y="-410.12" transform="rotate(180)" class="st5">$FE00</text>		</g>
+		<g id="shape3-27" transform="translate(65.55,542.541) rotate(180)">
+			<title>Sheet.3</title>
+			<desc>$D000</desc>
+			<path d="M0 412.82 L36 412.82" class="st3"/>
+			<rect x="-29.8916" y="-418.22" width="23.7832" height="10.7998" transform="rotate(180)" class="st6"/>
+			<text x="-29.89" y="-410.12" transform="rotate(180)" class="st5">$D000</text>		</g>
+		<g id="shape17-32" transform="translate(433.37,106.7) rotate(90)">
+			<title>Sheet.17</title>
+			<desc>$8000</desc>
+			<path d="M0 412.82 L46.25 412.82" class="st3"/>
+			<rect x="-38.3323" y="-420.02" width="30.4102" height="14.4001" transform="rotate(180)" class="st6"/>
+			<text x="-38.33" y="-409.22" transform="rotate(180)" class="st7">$8000</text>		</g>
+		<g id="group18-37" transform="translate(297.405,-282.72)">
+			<title>3D stack middle</title>
+			<g id="shape19-38" transform="translate(77.0909,0)">
+				<title>Sheet.19</title>
+				<path d="M0 412.82 L7.2 405.62 L7.2 387.58 L0 394.78 L0 412.82 Z" class="st1"/>
+			</g>
+			<g id="shape20-40">
+				<title>Sheet.20</title>
+				<rect x="0" y="394.784" width="77.0909" height="18.0364" class="st2"/>
+			</g>
+		</g>
+		<g id="group21-42" transform="translate(297.405,-297.12)">
+			<title>3D stack middle.21</title>
+			<g id="shape22-43" transform="translate(77.0909,0)">
+				<title>Sheet.22</title>
+				<path d="M0 412.82 L7.2 405.62 L7.2 384.02 L0 391.22 L0 412.82 Z" class="st1"/>
+			</g>
+			<g id="shape23-45">
+				<title>Sheet.23</title>
+				<rect x="0" y="391.22" width="77.0909" height="21.6" class="st2"/>
+			</g>
+		</g>
+		<g id="group24-47" transform="translate(297.405,-318.72)">
+			<title>3D stack middle.24</title>
+			<g id="shape25-48" transform="translate(77.0909,0)">
+				<title>Sheet.25</title>
+				<path d="M0 412.82 L7.2 405.62 L7.2 384.02 L0 391.22 L0 412.82 Z" class="st1"/>
+			</g>
+			<g id="shape26-50">
+				<title>Sheet.26</title>
+				<rect x="0" y="391.22" width="77.0909" height="21.6" class="st2"/>
+			</g>
+		</g>
+		<g id="shape27-52" transform="translate(220.314,-340.32)">
+			<title>Sheet.27</title>
+			<desc>HBIOS Proxy (RST 08)</desc>
+			<rect x="0" y="391.22" width="154.182" height="21.6" class="st8"/>
+			<text x="34.06" y="405.02" class="st9">HBIOS Proxy (RST 08)</text>		</g>
+		<g id="shape28-55" transform="translate(220.314,-109.92)">
+			<title>Sheet.28</title>
+			<desc>Application Area (TPA)</desc>
+			<rect x="0" y="237.402" width="154.836" height="175.418" class="st8"/>
+			<text x="22.5" y="328.71" class="st7">Application Area (TPA)</text>		</g>
+		<g id="shape29-58" transform="translate(220.314,-282.72)">
+			<title>Sheet.29</title>
+			<desc>Operating System CP/M or ZSYS</desc>
+			<rect x="0" y="355.22" width="77.0909" height="57.6" class="st8"/>
+			<text x="2.38" y="375.02" class="st9">Operating System  <tspan x="11.08" dy="2.4em" class="st10">CP/M or ZSYS</tspan></text>		</g>
+		<g id="shape30-62" transform="translate(297.405,-318.72)">
+			<title>Sheet.30</title>
+			<desc>CBIOS</desc>
+			<rect x="0" y="391.22" width="77.0909" height="21.6" class="st8"/>
+			<text x="26.29" y="405.02" class="st9">CBIOS</text>		</g>
+		<g id="shape31-65" transform="translate(297.405,-297.12)">
+			<title>Sheet.31</title>
+			<desc>BDOS</desc>
+			<rect x="0" y="391.22" width="77.0909" height="21.6" class="st8"/>
+			<text x="27.14" y="405.02" class="st9">BDOS</text>		</g>
+		<g id="shape32-68" transform="translate(297.405,-282.72)">
+			<title>Sheet.32</title>
+			<desc>CCP</desc>
+			<rect x="0" y="398.42" width="77.0909" height="14.4" class="st8"/>
+			<text x="30.63" y="408.62" class="st9">CCP</text>		</g>
+		<g id="group33-71" transform="translate(72.75,-109.92)">
+			<title>Data block.33</title>
+			<g id="shape34-72" transform="translate(108,0)">
+				<title>Sheet.34</title>
+				<path d="M0 412.82 L11.41 401.41 L11.41 286.21 L0 297.62 L0 412.82 Z" class="st1"/>
+			</g>
+			<g id="shape35-74" transform="translate(0,-115.2)">
+				<title>Sheet.35</title>
+				<path d="M0 412.82 L108 412.82 L119.41 401.41 L11.41 401.41 L0 412.82 Z" class="st1"/>
+			</g>
+			<g id="shape36-76">
+				<title>Sheet.36</title>
+				<rect x="0" y="297.62" width="108" height="115.2" class="st2"/>
+			</g>
+		</g>
+		<g id="shape37-78" transform="translate(22.35,-225.12)">
+			<title>Sheet.37</title>
+			<path d="M0 412.82 L360 412.82" class="st11"/>
+		</g>
+		<g id="shape38-81" transform="translate(72.75,-109.92)">
+			<title>Sheet.38</title>
+			<desc>HBIOS (Hardware Drivers)</desc>
+			<rect x="0" y="297.62" width="108" height="115.2" class="st8"/>
+			<text x="38.76" y="351.62" class="st7">HBIOS <tspan x="7.61" dy="1.2em" class="st10">(Hardware Drivers)</tspan></text>		</g>
+		<g id="shape39-85" transform="translate(22.35,-109.92)">
+			<title>Sheet.39</title>
+			<path d="M0 412.82 L338.4 412.82" class="st11"/>
+		</g>
+		<g id="shape40-88" transform="translate(22.35,-361.92)">
+			<title>Sheet.40</title>
+			<path d="M0 412.82 L360 412.82" class="st11"/>
+		</g>
+		<g id="shape43-91" transform="translate(-397.67,302.9) rotate(-90)">
+			<title>Sheet.43</title>
+			<desc>Z80 CPU Address Space</desc>
+			<rect x="0" y="398.42" width="252" height="14.4" class="st12"/>
+			<text x="69.04" y="409.22" class="st7">Z80 CPU Address Space</text>		</g>
+		<g id="shape41-94" transform="translate(-383.27,302.9) rotate(-90)">
+			<title>Sheet.41</title>
+			<desc>Banked Lower 32K</desc>
+			<rect x="0" y="398.42" width="115.2" height="14.4" class="st12"/>
+			<text x="12.48" y="409.22" class="st7">Banked Lower 32K</text>		</g>
+		<g id="shape42-97" transform="translate(-383.27,187.7) rotate(-90)">
+			<title>Sheet.42</title>
+			<desc>Fixed Upper 32K</desc>
+			<rect x="0" y="398.42" width="136.8" height="14.4" class="st12"/>
+			<text x="28.39" y="409.22" class="st7">Fixed Upper 32K</text>		</g>
+		<g id="shape1-100" transform="translate(65.55,463.72) rotate(180)">
+			<title>Sheet.1</title>
+			<desc>$10000</desc>
+			<path d="M0 412.82 L36 412.82" class="st3"/>
+			<rect x="-31.6846" y="-418.22" width="27.3691" height="10.7998" transform="rotate(180)" class="st6"/>
+			<text x="-31.68" y="-410.12" transform="rotate(180)" class="st5">$10000</text>		</g>
+		<g id="shape4-105" transform="translate(65.55,715.72) rotate(180)">
+			<title>Sheet.4</title>
+			<desc>$0000</desc>
+			<path d="M0 412.82 L36 412.82" class="st3"/>
+			<rect x="-29.4038" y="-418.22" width="22.8076" height="10.7998" transform="rotate(180)" class="st4"/>
+			<text x="-29.4" y="-410.12" transform="rotate(180)" class="st5">$0000</text>		</g>
+		<g id="shape44-110" transform="translate(798.77,50.9) rotate(90)">
+			<title>Bracket</title>
+			<path d="M0 412.82 A6.11239 6.11239 0 0 1 5.4 407.42 L64.22 407.42 A6.11239 6.11239 -180 0 0 69.62 402.02 A6.11239 6.11239
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+		</g>
+		<g id="shape45-113" transform="translate(0.750002,-52.32)">
+			<title>Sheet.45</title>
+			<desc>Bank 0</desc>
+			<rect x="0" y="398.42" width="36" height="14.4" class="st12"/>
+			<text x="5.69" y="408.32" class="st5">Bank 0</text>		</g>
+		<g id="shape47-116" transform="translate(252.75,-52.32)">
+			<title>Sheet.47</title>
+			<desc>App/OS Banks</desc>
+			<rect x="0" y="398.42" width="108" height="14.4" class="st12"/>
+			<text x="28.09" y="408.32" class="st5">App/OS Banks</text>		</g>
+		<g id="shape48-119" transform="translate(360.75,-52.32)">
+			<title>Sheet.48</title>
+			<desc>Bank N-1</desc>
+			<rect x="0" y="398.42" width="36" height="14.4" class="st12"/>
+			<text x="1.41" y="408.32" class="st5">Bank N-1</text>		</g>
+		<g id="shape49-122" transform="translate(396.75,-52.32)">
+			<title>Sheet.49</title>
+			<desc>Bank N</desc>
+			<rect x="0" y="398.42" width="36" height="14.4" class="st12"/>
+			<text x="5.06" y="408.32" class="st5">Bank N</text>		</g>
+		<g id="shape50-125" transform="translate(36.75,-52.32)">
+			<title>Sheet.50</title>
+			<desc>• • •</desc>
+			<rect x="0" y="398.42" width="216" height="14.4" class="st12"/>
+			<text x="91.49" y="408.62" class="st9">•    •    •</text>		</g>
+		<g id="shape51-128" transform="translate(375.15,715.72) rotate(180)">
+			<title>Bracket.51</title>
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+		</g>
+		<g id="shape55-131" transform="translate(396.75,-66.72)">
+			<title>Sheet.55</title>
+			<path d="M0 187.31 L9 187.31 A9 9 0 0 1 18 196.31 L18 404.78" class="st14"/>
+		</g>
+		<g id="shape56-137" transform="translate(0.750002,-37.92)">
+			<title>Sheet.56</title>
+			<desc>Physical RAM (32K per bank)</desc>
+			<rect x="0" y="398.42" width="432" height="14.4" class="st12"/>
+			<text x="157.88" y="408.62" class="st9">Physical RAM (32K per bank)</text>		</g>
+		<g id="shape57-140" transform="translate(180.75,715.72) rotate(180)">
+			<title>Bracket.57</title>
+			<desc>`</desc>
+			<path d="M0 412.82 A8.14984 8.14984 0 0 1 7.2 405.62 L46.8 405.62 A8.14984 8.14984 -180 0 0 54 398.42 A8.14984 8.14984
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+		<g id="shape58-145" transform="translate(449.57,360.5) rotate(90)">
+			<title>Sheet.58</title>
+			<path d="M0 412.82 L34.16 412.82" class="st17"/>
+		</g>
+		<g id="group60-148" transform="translate(36.75,-0.12)">
+			<title>3D stack top</title>
+			<desc>RAM Disk</desc>
+			<g id="shape61-149" transform="translate(208.8,0)">
+				<title>Sheet.61</title>
+				<path d="M0 412.82 L7.09 405.73 L7.09 387.73 L0 394.82 L0 412.82 Z" class="st1"/>
+			</g>
+			<g id="shape62-151" transform="translate(0,-18)">
+				<title>Sheet.62</title>
+				<path d="M0 412.82 L208.8 412.82 L215.89 405.73 L7.09 405.73 L0 412.82 Z" class="st1"/>
+			</g>
+			<g id="shape63-153">
+				<title>Sheet.63</title>
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+			</g>
+			<g id="shape60-155">
+				<text x="88.83" y="406.22" class="st16">RAM Disk</text>			</g>
+		</g>
+		<g id="shape64-157" transform="translate(-59.27,84.02) rotate(-90)">
+			<title>Pointer (1-D)</title>
+			<path d="M1.71 412.82 L2.07 412.82 L16.08 412.82" class="st18"/>
+		</g>
+		<g id="shape65-166" transform="translate(-95.27,108.5) rotate(-90)">
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+		</g>
+		<g id="shape66-173" transform="translate(-52.07,122.9) rotate(-90)">
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+			<path d="M1.71 412.82 L2.07 412.82 L11.76 412.82" class="st18"/>
+		</g>
+		<g id="shape67-180" transform="translate(-105.35,137.3) rotate(-90)">
+			<title>Pointer (1-D).67</title>
+			<path d="M1.71 412.82 L2.07 412.82 L26.16 412.82" class="st18"/>
+		</g>
+		<g id="shape70-187" transform="translate(228.935,-227.945) scale(-1,1)">
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+		</g>
+		<g id="shape68-195" transform="translate(87.15,-289.92)">
+			<title>Sheet.68</title>
+			<desc>HBIOS Function Call w/ Bank Switch</desc>
+			<rect x="0" y="384.02" width="86.4" height="28.8" class="st2"/>
+			<text x="7.14" y="395.72" class="st5">HBIOS Function Call <tspan x="15.11" dy="1.2em" class="st10">w/ Bank Switch</tspan></text>		</g>
+		<g id="shape69-199" transform="translate(0.75,-390.72)">
+			<title>Sheet.69</title>
+			<desc>RomWBW Bank Switched Memory Layout</desc>
+			<rect x="0" y="391.22" width="432" height="21.6" class="st21"/>
+			<text x="113.82" y="405.62" class="st7">RomWBW Bank Switched Memory Layout</text>		</g>
+		<g id="shape59-202" transform="translate(665.566,362.226) rotate(90.2396)">
+			<title>Sheet.59</title>
+			<path d="M0 412.82 L27.11 412.82" class="st17"/>
+		</g>
+		<g id="shape52-205" transform="translate(16.33,324.5) rotate(-90)">
+			<title>Sheet.52</title>
+			<desc>Fixed Mapping of Upper 32K to Last Bank</desc>
+			<rect x="0" y="398.42" width="172.8" height="14.4" class="st8"/>
+			<text x="11.1" y="408.32" class="st5">Fixed Mapping of Upper 32K to Last Bank</text>		</g>
+		<g id="shape72-208" transform="translate(331.95,-66.72)">
+			<title>Sheet.72</title>
+			<path d="M0 384.02 L0 387.62 A3.59999 3.59999 -180 0 0 3.6 391.22 L45.4 391.22 A5 5 0 0 1 50.4 396.22 L50.4 404.78"
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+		</g>
+		<g id="shape74-213" transform="translate(126.75,-66.72) scale(-1,1)">
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+			<path d="M0 384.02 L0 387.62 A3.59999 3.59999 -180 0 0 3.6 391.22 L103 391.22 A5 5 0 0 1 108 396.22 L108 404.78"
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+		</g>
+	</g>
+</svg>

Source/Doc/Graphics/CharacterEmulationVideoServices.svg

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+		<g id="shape44-85" transform="translate(207.375,-135.375)">
+			<title>Sheet.44</title>
+			<desc>4</desc>
+			<rect x="0" y="162.75" width="18" height="18" class="st5"/>
+			<text x="5.96" y="175.35" class="st6">4</text>		</g>
+		<g id="shape45-88" transform="translate(243.375,-135.375)">
+			<title>Sheet.45</title>
+			<desc>2</desc>
+			<rect x="0" y="162.75" width="18" height="18" class="st5"/>
+			<text x="5.96" y="175.35" class="st6">2</text>		</g>
+		<g id="shape46-91" transform="translate(279.375,-135.375)">
+			<title>Sheet.46</title>
+			<desc>1</desc>
+			<rect x="0" y="162.75" width="18" height="18" class="st5"/>
+			<text x="5.96" y="175.35" class="st6">1</text>		</g>
+		<g id="shape47-94" transform="translate(162.375,-153.375)">
+			<title>Sheet.47</title>
+			<desc>Low</desc>
+			<rect x="0" y="162.75" width="144" height="18" class="st5"/>
+			<text x="62.02" y="175.35" class="st6">Low</text>		</g>
+		<g id="shape48-97" transform="translate(27.375,-99.3749)">
+			<title>Sheet.48</title>
+			<desc>7</desc>
+			<rect x="0" y="162.75" width="18" height="18" class="st5"/>
+			<text x="5.96" y="175.35" class="st6">7</text>		</g>
+		<g id="shape49-100" transform="translate(63.375,-99.3749)">
+			<title>Sheet.49</title>
+			<desc>6</desc>
+			<rect x="0" y="162.75" width="18" height="18" class="st5"/>
+			<text x="5.96" y="175.35" class="st6">6</text>		</g>
+		<g id="shape50-103" transform="translate(99.375,-99.375)">
+			<title>Sheet.50</title>
+			<desc>5</desc>
+			<rect x="0" y="162.75" width="18" height="18" class="st5"/>
+			<text x="5.96" y="175.35" class="st6">5</text>		</g>
+		<g id="shape52-106" transform="translate(135.375,-99.375)">
+			<title>Sheet.52</title>
+			<desc>4</desc>
+			<rect x="0" y="162.75" width="18" height="18" class="st5"/>
+			<text x="5.96" y="175.35" class="st6">4</text>		</g>
+		<g id="shape53-109" transform="translate(171.375,-99.375)">
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+			<desc>3</desc>
+			<rect x="0" y="162.75" width="18" height="18" class="st5"/>
+			<text x="5.96" y="175.35" class="st6">3</text>		</g>
+		<g id="shape54-112" transform="translate(207.375,-99.375)">
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+			<desc>2</desc>
+			<rect x="0" y="162.75" width="18" height="18" class="st5"/>
+			<text x="5.96" y="175.35" class="st6">2</text>		</g>
+		<g id="shape55-115" transform="translate(243.375,-99.375)">
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+			<desc>1</desc>
+			<rect x="0" y="162.75" width="18" height="18" class="st5"/>
+			<text x="5.96" y="175.35" class="st6">1</text>		</g>
+		<g id="shape56-118" transform="translate(279.375,-99.375)">
+			<title>Sheet.56</title>
+			<desc>0</desc>
+			<rect x="0" y="162.75" width="18" height="18" class="st5"/>
+			<text x="5.96" y="175.35" class="st6">0</text>		</g>
+		<g id="shape57-121" transform="translate(94.875,-58.875)">
+			<title>Sheet.57</title>
+			<path d="M0 180.75 L27 180.75" class="st7"/>
+		</g>
+		<g id="shape58-124" transform="translate(90.375,-58.875)">
+			<title>Sheet.58</title>
+			<desc>Auto</desc>
+			<rect x="0" y="171.75" width="36" height="9.00001" class="st5"/>
+			<text x="10.13" y="178.65" class="st8">Auto</text>		</g>
+		<g id="shape59-127" transform="translate(90.375,-49.875)">
+			<title>Sheet.59</title>
+			<desc>Menu</desc>
+			<rect x="0" y="171.75" width="36" height="9.00001" class="st5"/>
+			<text x="8.39" y="178.65" class="st8">Menu</text>		</g>
+		<g id="shape61-130" transform="translate(22.875,-58.875)">
+			<title>Sheet.61</title>
+			<path d="M0 180.75 L27 180.75" class="st7"/>
+		</g>
+		<g id="shape62-133" transform="translate(18.375,-58.875)">
+			<title>Sheet.62</title>
+			<desc>CRT</desc>
+			<rect x="0" y="171.75" width="36" height="9.00001" class="st5"/>
+			<text x="11.75" y="178.65" class="st8">CRT</text>		</g>
+		<g id="shape63-136" transform="translate(18.375,-49.875)">
+			<title>Sheet.63</title>
+			<desc>Serial</desc>
+			<rect x="0" y="171.75" width="36" height="9.00001" class="st5"/>
+			<text x="9.03" y="178.65" class="st8">Serial</text>		</g>
+		<g id="shape64-139" transform="translate(58.875,-58.875)">
+			<title>Sheet.64</title>
+			<path d="M0 180.75 L27 180.75" class="st7"/>
+		</g>
+		<g id="shape65-142" transform="translate(54.375,-58.875)">
+			<title>Sheet.65</title>
+			<desc>Sec</desc>
+			<rect x="0" y="171.75" width="36" height="9.00001" class="st5"/>
+			<text x="12.48" y="178.65" class="st8">Sec</text>		</g>
+		<g id="shape66-145" transform="translate(54.375,-49.875)">
+			<title>Sheet.66</title>
+			<desc>Pri</desc>
+			<rect x="0" y="171.75" width="36" height="9.00001" class="st5"/>
+			<text x="13.62" y="178.65" class="st8">Pri</text>		</g>
+		<g id="shape67-148" transform="translate(130.875,-58.875)">
+			<title>Sheet.67</title>
+			<path d="M0 180.75 L27 180.75" class="st7"/>
+		</g>
+		<g id="shape68-151" transform="translate(126.375,-58.875)">
+			<title>Sheet.68</title>
+			<desc>Disk</desc>
+			<rect x="0" y="171.75" width="36" height="9.00001" class="st5"/>
+			<text x="11.24" y="178.65" class="st8">Disk</text>		</g>
+		<g id="shape69-154" transform="translate(126.375,-49.875)">
+			<title>Sheet.69</title>
+			<desc>ROM</desc>
+			<rect x="0" y="171.75" width="36" height="9.00001" class="st5"/>
+			<text x="9.76" y="178.65" class="st8">ROM</text>		</g>
+		<g id="shape70-157" transform="translate(166.875,-58.875)">
+			<title>Sheet.70</title>
+			<path d="M0 180.75 L27 180.75" class="st7"/>
+		</g>
+		<g id="shape71-160" transform="translate(162.375,-58.875)">
+			<title>Sheet.71</title>
+			<desc>Floppy</desc>
+			<rect x="0" y="171.75" width="36" height="9.00001" class="st5"/>
+			<text x="7.12" y="178.65" class="st8">Floppy</text>		</g>
+		<g id="shape72-163" transform="translate(162.375,-49.875)">
+			<title>Sheet.72</title>
+			<desc>Hard</desc>
+			<rect x="0" y="171.75" width="36" height="9.00001" class="st5"/>
+			<text x="10.1" y="178.65" class="st8">Hard</text>		</g>
+		<g id="shape73-166" transform="translate(202.875,-58.875)">
+			<title>Sheet.73</title>
+			<path d="M0 180.75 L99 180.75" class="st7"/>
+		</g>
+		<g id="shape74-169" transform="translate(198.375,-49.875)">
+			<title>Sheet.74</title>
+			<desc>4</desc>
+			<rect x="0" y="171.75" width="36" height="9.00001" class="st5"/>
+			<text x="15.97" y="178.65" class="st8">4</text>		</g>
+		<g id="shape75-172" transform="translate(234.375,-49.875)">
+			<title>Sheet.75</title>
+			<desc>2</desc>
+			<rect x="0" y="171.75" width="36" height="9.00001" class="st5"/>
+			<text x="15.97" y="178.65" class="st8">2</text>		</g>
+		<g id="shape76-175" transform="translate(270.375,-49.875)">
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+			<desc>1</desc>
+			<rect x="0" y="171.75" width="36" height="9.00001" class="st5"/>
+			<text x="15.97" y="178.65" class="st8">1</text>		</g>
+		<g id="shape78-178" transform="translate(198.375,-58.875)">
+			<title>Sheet.78</title>
+			<desc>ROM App / Boot Slice</desc>
+			<rect x="0" y="171.75" width="108" height="9.00001" class="st5"/>
+			<text x="18.99" y="178.65" class="st8">ROM App / Boot Slice</text>		</g>
+		<g id="shape79-181" transform="translate(18.375,-0.375)">
+			<title>Sheet.79</title>
+			<desc>ROM Apps: 0=Monitor 1=BASIC 2=Forth 3=Game 4=CP/M 2.2 5=Z-Sys...</desc>
+			<rect x="0" y="171.75" width="288" height="9" class="st5"/>
+			<text x="19.9" y="178.05" class="st9">ROM Apps:   0=Monitor   1=BASIC   2=Forth   3=Game   4=CP/M 2.2   5=Z-System   6=Net Boot   7=User</text>		</g>
+		<g id="shape80-184" transform="translate(0.375,-0.375)">
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+			<rect x="0" y="0.750005" width="324" height="180" class="st10"/>
+		</g>
+		<g id="shape81-186" transform="translate(18.375,-72.375)">
+			<title>Sheet.81</title>
+			<path d="M0 180.75 L144 180.75" class="st4"/>
+		</g>
+		<g id="shape82-189" transform="translate(199.125,99.375) rotate(90)">
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+			<path d="M0 180.75 L18 180.75" class="st4"/>
+		</g>
+		<g id="shape84-192" transform="translate(18.375,-72.375)">
+			<title>Sheet.84</title>
+			<desc>Console</desc>
+			<rect x="0" y="162.75" width="72" height="18" class="st5"/>
+			<text x="16.61" y="175.35" class="st6">Console</text>		</g>
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+			<title>Sheet.85</title>
+			<path d="M0 180.75 L144 180.75" class="st4"/>
+		</g>
+		<g id="shape86-198" transform="translate(271.125,99.375) rotate(90)">
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+			<path d="M0 180.75 L18 180.75" class="st4"/>
+		</g>
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+			<path d="M0 180.75 L18 180.75" class="st4"/>
+		</g>
+		<g id="shape88-204" transform="translate(90.375,-72.375)">
+			<title>Sheet.88</title>
+			<desc>Boot</desc>
+			<rect x="0" y="162.75" width="216" height="18" class="st5"/>
+			<text x="96.4" y="175.35" class="st6">Boot</text>		</g>
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Source/Doc/Graphics/hd512.svg

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+			<text x="5.17" y="276.5" class="st4">1</text>		</g>
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+			<path d="M0 272.06 L0 272.42 L0 274.1 A7.19998 7.19998 -180 0 0 7.2 281.3 L28.8 281.3" class="st13"/>
+		</g>
+		<g id="shape279-70" transform="translate(284.9,-172.8)">
+			<title>Sheet.279</title>
+			<desc>CP/M System Area (128 KB)</desc>
+			<rect x="0" y="266.9" width="111.6" height="14.4" class="st7"/>
+			<text x="1" y="276.5" class="st4">CP/M System Area (128 KB)</text>		</g>
+		<g id="shape280-73" transform="translate(353.8,65.2999) rotate(90)">
+			<title>Sheet.280</title>
+			<path d="M0 112.82 L0 258.8 A22.5 22.5 -180 0 0 22.5 281.3 L44.88 281.3" class="st11"/>
+		</g>
+		<g id="shape281-78" transform="translate(368.2,65.2999) rotate(90)">
+			<title>Sheet.281</title>
+			<path d="M0 127.22 L0 258.8 A22.5 22.5 -180 0 0 22.5 281.3 L44.88 281.3" class="st11"/>
+		</g>
+		<g id="shape282-83" transform="translate(382.6,65.2999) rotate(90)">
+			<title>Sheet.282</title>
+			<path d="M0 141.62 L0 258.8 A22.5 22.5 -180 0 0 22.5 281.3 L44.88 281.3" class="st11"/>
+		</g>
+		<g id="shape283-88" transform="translate(469,65.2999) rotate(90)">
+			<title>Sheet.283</title>
+			<path d="M0 228.02 L0 258.8 A22.5 22.5 -180 0 0 22.5 281.3 L44.88 281.3" class="st11"/>
+		</g>
+		<g id="shape284-93" transform="translate(158.9,-68.3999)">
+			<title>Sheet.284</title>
+			<rect x="0" y="277.7" width="14.4" height="3.6" class="st3"/>
+		</g>
+		<g id="shape285-95" transform="translate(158.9,-64.7999)">
+			<title>Sheet.285</title>
+			<rect x="0" y="277.7" width="14.4" height="3.6" class="st3"/>
+		</g>
+		<g id="shape286-97" transform="translate(158.9,-61.1999)">
+			<title>Sheet.286</title>
+			<rect x="0" y="277.7" width="14.4" height="3.6" class="st3"/>
+		</g>
+		<g id="shape287-99" transform="translate(158.9,-57.5999)">
+			<title>Sheet.287</title>
+			<rect x="0" y="277.7" width="14.4" height="3.6" class="st3"/>
+		</g>
+		<g id="shape288-101" transform="translate(166.1,-57.6)">
+			<title>Stack pointer.179</title>
+			<path d="M33.6 302.9 L5.4 302.9 A5.39999 5.39999 0 0 1 0 297.5 L0 292.1 L0 286.82" class="st11"/>
+		</g>
+		<g id="shape289-106" transform="translate(50.9,-136.8)">
+			<title>Sheet.289</title>
+			<desc>RomWBW Data (8,320 KB * N)</desc>
+			<rect x="0" y="266.9" width="144" height="14.4" class="st1"/>
+			<text x="22.71" y="276.5" class="st4">RomWBW Data (8,320 KB * N)</text>		</g>
+		<g id="shape293-109" transform="translate(252.5,-46.8)">
+			<title>Dynamic connector.207</title>
+			<path d="M0 281.3 L17.1 281.3 A4.5 4.5 -180 0 0 21.6 276.8 L21.6 231.8 A4.5 4.5 -180 0 0 17.1 227.3 L-17.1 227.3 A4.5
+						 4.5 0 0 1 -21.6 222.8 L-21.6 211.24" class="st14"/>
+		</g>
+		<g id="shape294-115" transform="translate(101.3,-57.6)">
+			<title>Sheet.294</title>
+			<desc>MBR</desc>
+			<rect x="0" y="266.9" width="72" height="14.4" class="st5"/>
+			<text x="28.23" y="276.5" class="st4">MBR</text>		</g>
+		<g id="shape295-118" transform="translate(209.156,-21.5999)">
+			<title>Sheet.295</title>
+			<rect x="0" y="252.5" width="43.344" height="28.8" class="st5"/>
+		</g>
+		<g id="shape296-120" transform="translate(245.3,-208.8)">
+			<title>Sheet.296</title>
+			<desc>Slice (8,320 KB)</desc>
+			<rect x="0" y="266.9" width="151.2" height="14.4" class="st5"/>
+			<text x="50.65" y="276.5" class="st4">Slice (8,320 KB)</text>		</g>
+		<g id="shape298-123" transform="translate(245.3,-194.4)">
+			<title>Sheet.298</title>
+			<rect x="0" y="266.9" width="14.4" height="14.4" class="st3"/>
+		</g>
+		<g id="shape299-125" transform="translate(245.3,-194.4)">
+			<title>Sheet.299</title>
+			<desc>CP/M File System (8 MB)</desc>
+			<rect x="0" y="266.9" width="151.2" height="14.4" class="st7"/>
+			<text x="35.37" y="276.5" class="st4">CP/M File System (8 MB)</text>		</g>
+		<g id="shape300-128" transform="translate(245.3,-194.4)">
+			<title>Sheet.300</title>
+			<rect x="0" y="266.9" width="151.2" height="14.4" class="st5"/>
+		</g>
+		<g id="shape301-130" transform="translate(-180,223.7) rotate(-90)">
+			<title>Bracket.301</title>
+			<path d="M-0 281.3 A2.41217 2.41217 0 0 1 2.13 279.17 L5.07 279.17 A2.41217 2.41217 -180 0 0 7.2 277.04 A2.41217 2.41217
+						 -180 0 0 9.33 279.17 L12.27 279.17 A2.41217 2.41217 0 0 1 14.4 281.3" class="st12"/>
+		</g>
+		<g id="shape302-133" transform="translate(-35.9999,72.5) rotate(-90)">
+			<title>Bracket.302</title>
+			<path d="M-0 281.3 A2.41217 2.41217 0 0 1 2.13 279.17 L5.07 279.17 A2.41217 2.41217 -180 0 0 7.2 277.04 A2.41217 2.41217
+						 -180 0 0 9.33 279.17 L12.27 279.17 A2.41217 2.41217 0 0 1 14.4 281.3" class="st12"/>
+		</g>
+	</g>
+</svg>

Source/Doc/Makefile

@@ -1,13 +1,19 @@
 #
-# NOTE: gpp, Pandoc, and Latex (MiKTeX or TexLive) must be installed
+# NOTE: gpp, Pandoc, LuaLatex (MiKTeX or TexLive), and Roboto Font must be installed
 # and available on commandline for this build to work!!!
-# Typically "sudo apt install gpp pandoc texlive-latex-extra texlive-luatex texlive-fonts-extra fonts-roboto"
+#
+# On MacOS:
+# brew install gpp pandoc texlive
+# brew install --cask font-roboto
+#
+# On Ubuntu Linux:
+# apt install gpp pandoc texlive texlive-luatex texlive-fonts-extra
 #
 OBJECTS = ReadMe.gfm ReadMe.txt UserGuide.pdf SystemGuide.pdf Applications.pdf Catalog.pdf Errata.pdf
 # DEST = ../../Doc
 TOOLS = ../../Tools
 OTHERS = *.tmp
-
+
 include $(TOOLS)/Makefile.inc
 
 all :: deploy
@@ -37,4 +43,4 @@ deploy :
 	cp SystemGuide.pdf       "../../Doc/RomWBW System Guide.pdf"
 	cp Applications.pdf      "../../Doc/RomWBW Applications.pdf"
 	cp Catalog.pdf           "../../Doc/RomWBW Disk Catalog.pdf"
-	cp Errata.pdf             "../../Doc/RomWBW Errata.pdf"
+	cp Errata.pdf            "../../Doc/RomWBW Errata.pdf"

Source/Doc/ReadMe.md

@@ -187,6 +187,9 @@ please let me know if I missed you!
   compendium.
 
 * Martin R has provided substantial help reviewing and improving the
+  User Guide and Applications documents.
+  
+* Mark Pruden has also contributed a great deal of content to the
   User Guide.
 
 * Jacques Pelletier has contributed the DS1501 RTC driver code.

Source/Doc/SystemGuide.md

@@ -126,6 +126,7 @@ execution.
 
 ![Bank Switched Memory Layout](Graphics/BankSwitchedMemory){ width=100% }
 
+
 ## Bank Id
 
 RomWBW utilizes a specific assignment of memory banks for dedicated
@@ -262,6 +263,106 @@ Common Bank:
 It is a fixed mapping that is never changed in normal RomWBW operation
 hence the name "Common".
 
+# Disk Layout
+
+RomWBW supports two hard disk layouts: the Classic layout used by 
+RomWBW with 512 directory entries per slice and a Modern layout with 
+1024 directory entries per slice.  These layouts are referred to as
+hd512 and hd1k respectively.
+
+WARNING: You **can not** mix the two hard disk layouts on one hard 
+disk device.  You can use different layouts on different hard disk 
+devices in a single system though.
+
+RomWBW determines which of the hard disk layouts to use for a given 
+hard disk device based on whether there is a RomWBW hard disk 
+partition on the disk containing the slices.   If there is no RomWBW 
+partition, then RomWBW will assume the 512 directory entry format for 
+all slices and will assume the slices start at the first sector of 
+the hard disk.  If there is a RomWBW partition on the hard disk 
+device, then RomWBW will assume the 1024 directory entry format for 
+all slices and will assume the slices are located in the defined 
+partition.
+
+RomWBW supports up to 256 CP/M slices (0-255).  Under hd512, the slices
+begin at the start of the hard disk.  Under hd1k, the slices reside
+within partition type 0x2E.
+
+RomWBW accesses all hard disks using Logical Block Addressing (pure
+sector offset).  When necessary, RomWBW simulates the following disk
+geometry for operating systems:
+
+- Sector = 512 Bytes
+- Track = 16 Sectors (8KB per Track)
+- Cylinder = 16 Tracks (256 Sectors per Cylinder, 128KB per Cylinder)
+
+If one is used, the FAT Partition must not overlap the CP/M slices.
+The FAT partition does not need to start immediately after the CP/M
+slices nor does it need to extend to the end of the hard disk.  Its
+location and size are entirely determined by its corresponding
+partition table entry.
+
+Drive letters in CP/M are ASSIGNed to the numbered slices as desired.  
+At boot, RomWBW automatically assigns up to  8 slices to drive letters 
+starting with the first available drive letter (typically C:).
+
+Microsoft Windows will assign a single drive letter to the FAT partition
+when the CF/SD Card is inserted.  The drive letter assigned has no 
+relationship to the CP/M drive letters assigned to CP/M slices.
+
+In general, Windows, MacOS, or Linux know nothing about the CP/M slices 
+and CP/M knows nothing about the FAT partition.  However, the FAT 
+application can be run under CP/M to access the FAT partition 
+programmatically.
+
+A CP/M slice is (re)initialized using the CP/M command CLRDIR.  A CP/M 
+slice can be made bootable by copying system image to the System Area 
+using SYSCOPY.
+
+The FAT partition can be created from CP/M using the FDISK80 application.
+
+The FAT partition can be initialized using the FAT application from CP/M
+using the command `FAT FORMAT n:` where n is the RomWBW disk unit 
+number containing the FAT partition to be formatted.
+
+## Modern Disk Layout (hd1k)
+
+![Modern Disk Layout](Graphics/hd1k)
+
+The CP/M filesystem on a Modern disk will accommodate 1,024 directory 
+entries.
+
+The CP/M slices reside entirely within a hard disk partition of type
+0x2E.  The number of slices is determined by the number of slices that
+fit within the partition spaces allocated up to the maximum of 256.
+
+## Classic Disk Layout (hd512)
+
+![Classic Disk Layout](Graphics/hd512)
+
+The CP/M filesystem on a Classic disk will accommodate 512 directory 
+entries.
+
+The CP/M slices reside on the hard disk starting at the first sector
+of the hard disk.  The number of CP/M slices is not explicitly recorded
+anywhere on the hard disk.  It is up to the system user to know how
+many slices are being used based on the size of the hard disk media
+and/or the start of a FAT partition.
+
+A partition table may exist within the first sector of the first
+slice.  For Classic disks, the partition table defines only the
+location and size of the FAT partition.  The Partition Table does
+not control the location or number of CP/M slices in any way.
+
+The Partition Table resides in a sector that is shared with the System 
+Area of CP/M Slice 0.  However, the RomWBW implementation of CP/M takes 
+steps to avoid changing or corrupting the Partition Table area.
+
+The FAT partition can be created from CP/M using the FDISK80 
+application.  The user is responsible for ensuring that the start of the
+FAT partition does not overlap with the area they intend to use for 
+CP/M slices.  FDISK80 has a Reserve option to assist with this.
+
 # System Boot Process
 
 A multi-phase boot strategy is employed. This is necessary because at
@@ -746,12 +847,19 @@ more of the defined media types.
 | MID_FD111     | 9      | 8" 1.11M Floppy                            |
 | MID_HD1K      | 10     | Hard Disk (LBA) w/ 1024 directory entries  |
 
+**NOTE**: HBIOS does not actually differentiate between MID_HD512 and
+MID_HD1K.  The use of these two formats is determined by the use of a
+partition table on the media and is implemented by the operating
+system itself.  HBIOS treats all hard disks as raw sectors. See
+[Function 0x18 -- Disk Media (DIOMEDIA)] for more information on the
+Media ID byte returned.
+
 HBIOS supports both Cylinder/Head/Sector (CHS) and Logical Block 
 Addresses (CHS) when locating a sector for I/O (see DIOSEEK function). 
 For devices that are natively CHS (e.g., floppy disk), the HBIOS driver 
 can convert LBA values to CHS values according to the geometry of the 
 current media.  For devices that are natively LBA (e.g., hard disk), the
- HBIOS driver simulates CHS using a fictitious geometry provided by the 
+HBIOS driver simulates CHS using a fictitious geometry provided by the 
 driver (typically 16 sectors per track and 16 heads per cylinder).
 
 ### Function 0x10 -- Disk Status (DIOSTATUS)
@@ -964,6 +1072,12 @@ Report the Media ID (E) for the for media in the specified Disk Unit
 will be performed.  The Status (A) is a standard HBIOS result code. If 
 there is no media in device, function will return an error status.
 
+**NOTE**: This function will always return MID_HD512 for hard disk
+devices.  MID_HD1K is provided for use internally by operating systems
+that provide different filsystem formats depending on the partition
+table.  This function cannot be used to determine if an HD1K formatted
+partition exists on the hard disk.
+
 ### Function 0x19 -- Disk Define Media (DIODEFMED)
 
 | **Entry Parameters**                   | **Returned Values**                    |
@@ -997,7 +1111,7 @@ DIOMEDIA function to force this if desired.
 | **Entry Parameters**                   | **Returned Values**                    |
 |----------------------------------------|----------------------------------------|
 | B: 0x1B                                | A: Status                              |
-| C: Disk Unit                           | D: Heads                               |
+| C: Disk Unit                           | D: Heads / LBA                         |
 |                                        | E: Sectors                             |
 |                                        | HL: Cylinder Count                     |
 |                                        | BC: Block Size                         |
@@ -1007,7 +1121,11 @@ device uses LBA mode addressing natively, then the drivers simulated
 geometry will be returned. The Status (A) is a standard HBIOS result 
 code.  If the media is unknown, an error will be returned.
 
-Heads (D) refers to the number of heads per cylinder.  Sectors (E)
+LBA capability is indicated by D:7.  When set, the device is capable
+of LBA addressing.  Refer to [Function 0x12 -- Disk Seek (DIOSEEK)]
+for more information on specifying LBA vs. CHS addresses.
+
+Heads (D:6-0) refers to the number of heads per cylinder.  Sectors (E)
 refers to the number of sectors per track.  Cylinder Count (HL) is the
 total number of cylinders addressable for the media.  Block Size (BC)
 is the number of bytes in one sector.
@@ -2015,7 +2133,7 @@ sound will play for the duration defined in HL and then return.
 | **Entry Parameters**                   | **Returned Values**                    |
 |----------------------------------------|----------------------------------------|
 | B: 0x57                                | A: Status                              |
-| C: Disk Unit                           | C: Device Attributes                   |
+| C: Sound Unit                          | C: Device Attributes                   |
 |                                        | D: Device Type                         |
 |                                        | E: Device Number                       |
 |                                        | H: Device Unit Mode                    |
@@ -2038,6 +2156,17 @@ is servicing the specified unit.  Both of these values are considered
 driver specific.  Refer to the associated hardware driver for the values
 used.
 
+### Function 0x58 -- Sound Beep (SNDBEEP)
+
+| **Entry Parameters**                   | **Returned Values**                    |
+|----------------------------------------|----------------------------------------|
+| B: 0x58                                | A: Status                              |
+| C: Sound Unit                          |                                        |
+
+Play a beep tone on the specified Sound Unit (C).  The beep will
+normally be about 1/3 second in duration and the tone will be
+approximately B5.
+
 `\clearpage`{=latex}
 
 ## System (SYS)
@@ -2398,6 +2527,9 @@ a double-word binary value.  The frequency of the system timer in Hertz
 is returned in Frequency (C). The returned Status (A) is a standard HBIOS
 result code.
 
+The tick count is a 32 bit binary value.  It will rollover to zero
+if the maximum value for a 32 bit number is reached.
+
 Note that not all hardware configuration have a system timer.  You
 can determine if a timer exists by calling this function repeatedly
 to see if it is incrementing.

Source/FZ80/Build.cmd

@@ -5,17 +5,20 @@ set TOOLS=../../Tools
 
 set PATH=%TOOLS%\srecord;%PATH%
 
-if exist ..\..\Binary\FZ80_std.rom call :build_fz80
+for %%f in (..\..\Binary\FZ80_*.rom) do call :build %%~nf
 
 goto :eof
 
-:build_fz80
+:build
+echo.
+echo Creating %1 disk image...
+echo.
 
 srec_cat -generate 0x0 0x100000 --constant 0x00 -o temp.dat -binary
 srec_cat temp.dat -binary -exclude 0x1B8 0x200 fz80_ptbl.bin -binary -offset 0x1B8 -o temp.dat -binary
-srec_cat temp.dat -binary -exclude 0x80000 0xE0000 ..\..\Binary\FZ80_std.rom -binary -offset 0x80000 -o temp.dat -binary
-move temp.dat ..\..\Binary\hd1k_fz80_prefix.dat
+srec_cat temp.dat -binary -exclude 0x80000 0xE0000 ..\..\Binary\%1.rom -binary -offset 0x80000 -o temp.dat -binary
+move temp.dat ..\..\Binary\%1_hd1k_prefix.dat
 
-copy /b ..\..\Binary\hd1k_fz80_prefix.dat + ..\..\Binary\hd1k_cpm22.img + ..\..\Binary\hd1k_zsdos.img + ..\..\Binary\hd1k_nzcom.img + ..\..\Binary\hd1k_cpm3.img + ..\..\Binary\hd1k_zpm3.img + ..\..\Binary\hd1k_ws4.img ..\..\Binary\hd1k_fz80_combo.img || exit /b
+copy /b ..\..\Binary\%1_hd1k_prefix.dat + ..\..\Binary\hd1k_cpm22.img + ..\..\Binary\hd1k_zsdos.img + ..\..\Binary\hd1k_nzcom.img + ..\..\Binary\hd1k_cpm3.img + ..\..\Binary\hd1k_zpm3.img + ..\..\Binary\hd1k_ws4.img ..\..\Binary\%1_hd1k_combo.img || exit /b
 
 goto :eof

Source/FZ80/Makefile

@@ -1,24 +1,25 @@
-HD1KFZ80PREFIX = hd1k_fz80_prefix.dat
-HD1KFZ80COMBOIMG = hd1k_fz80_combo.img
-FZ80ROM = ../../Binary/FZ80_std.rom
-HD1KIMGS = ../../Binary/hd1k_cpm22.img ../../Binary/hd1k_zsdos.img ../../Binary/hd1k_nzcom.img \
-	../../Binary/hd1k_cpm3.img ../../Binary/hd1k_zpm3.img ../../Binary/hd1k_ws4.img
-
-OBJECTS := $(HD1KFZ80PREFIX) $(HD1KFZ80COMBOIMG)
-
 DEST=../../Binary
 
+HD1KIMGS = $(DEST)/hd1k_cpm22.img $(DEST)/hd1k_zsdos.img $(DEST)/hd1k_nzcom.img \
+	$(DEST)/hd1k_cpm3.img $(DEST)/hd1k_zpm3.img $(DEST)/hd1k_ws4.img
+
+ROMS := $(wildcard $(DEST)/FZ80_*.rom)
+ROMS := $(patsubst $(DEST)/%.rom,%,$(ROMS))
+
+OBJECTS := $(patsubst %,%_hd1k_prefix.dat,$(ROMS))
+OBJECTS += $(patsubst %,%_hd1k_combo.img,$(ROMS))
+
 TOOLS = ../../Tools
 
 include $(TOOLS)/Makefile.inc
 
 DIFFPATH = $(DIFFTO)/Binary
 
-$(HD1KFZ80PREFIX):
+%_hd1k_prefix.dat: $(DEST)/%.rom
 	srec_cat -generate 0x0 0x100000 --constant 0x00 -o temp.dat -binary
 	srec_cat temp.dat -binary -exclude 0x1B8 0x200 fz80_ptbl.bin -binary -offset 0x1B8 -o temp.dat -binary
-	srec_cat temp.dat -binary -exclude 0x80000 0xE0000 $(FZ80ROM) -binary -offset 0x80000 -o temp.dat -binary
+	srec_cat temp.dat -binary -exclude 0x80000 0xE0000 $< -binary -offset 0x80000 -o temp.dat -binary
 	mv temp.dat $@
 
-$(HD1KFZ80COMBOIMG): $(HD1KFZ80PREFIX) $(HD1KIMGS)
+%_hd1k_combo.img: %_hd1k_prefix.dat  $(HD1KIMGS)
 	cat $^ > $@

Source/HBIOS/Bank Layout.txt

@@ -43,8 +43,8 @@ Standard RAM Bank Layout (512K)
 Bank ID         Usage
 -------         ------
 0x80            RomWBW HBIOS
-0x81-0x88       RAM Disk Data (3)
-0x89-0x8B	App Banks (8)
+0x81-0x88       RAM Disk Data (8)
+0x89-0x8B	App Banks (3)
 0x8C		CP/M 3 Buffers
 0x8D            CP/M 3 OS
 0x8E            User TPA

Source/HBIOS/Build.cmd

@@ -211,31 +211,29 @@ call Build ZETA2 std || exit /b
 call Build N8 std || exit /b
 call Build MK4 std || exit /b
 call Build RCZ80 std || exit /b
-call Build RCZ80 kio || exit /b
-call Build RCZ80 easy || exit /b
-call Build RCZ80 tiny || exit /b
-call Build RCZ80 skz || exit /b
-:: call Build RCZ80 mt || exit /b
-:: call Build RCZ80 duart || exit /b
-call Build RCZ80 zrc || exit /b
-call Build RCZ80 zrc_ram || exit /b
-call Build RCZ80 zrc512 || exit /b
-call Build RCZ180 ext || exit /b
-call Build RCZ180 nat || exit /b
-call Build RCZ180 z1rcc || exit /b
-call Build RCZ280 ext || exit /b
-call Build RCZ280 nat || exit /b
-call Build RCZ280 zz80mb || exit /b
-call Build RCZ280 zzrcc || exit /b
-call Build RCZ280 zzrcc_ram || exit /b
-call Build SCZ180 sc126 || exit /b
-call Build SCZ180 sc130 || exit /b
-call Build SCZ180 sc131 || exit /b
-call Build SCZ180 sc140 || exit /b
-call Build SCZ180 sc503 || exit /b
-call Build SCZ180 sc700 || exit /b
+call Build RCZ80 kio_std || exit /b
+call Build RCZ80 easy_std || exit /b
+call Build RCZ80 tiny_std || exit /b
+call Build RCZ80 skz_std || exit /b
+call Build RCZ80 zrc_std || exit /b
+call Build RCZ80 zrc_ram_std || exit /b
+call Build RCZ80 zrc512_std || exit /b
+call Build RCZ180 ext_std || exit /b
+call Build RCZ180 nat_std || exit /b
+call Build RCZ180 z1rcc_std || exit /b
+call Build RCZ280 ext_std || exit /b
+call Build RCZ280 nat_std || exit /b
+call Build RCZ280 zz80mb_std || exit /b
+call Build RCZ280 zzrcc_std || exit /b
+call Build RCZ280 zzrcc_ram_std || exit /b
+call Build SCZ180 sc126_std || exit /b
+call Build SCZ180 sc130_std || exit /b
+call Build SCZ180 sc131_std || exit /b
+call Build SCZ180 sc140_std || exit /b
+call Build SCZ180 sc503_std || exit /b
+call Build SCZ180 sc700_std || exit /b
+call Build GMZ180 std || exit /b
 call Build DYNO std || exit /b
-call Build UNA std || exit /b
 call Build RPH std || exit /b
 call Build Z80RETRO std || exit /b
 call Build S100 std || exit /b
@@ -245,5 +243,6 @@ call Build EPITX std || exit /b
 :: call Build MON std || exit /b
 call Build NABU std || exit /b
 call Build FZ80 std || exit /b
+call Build UNA std || exit /b
 
 goto :eof

Source/HBIOS/Build.ps1

@@ -28,7 +28,7 @@ $ErrorAction = 'Stop'
 #
 
 $PlatformListZ80 = "SBC", "MBC", "ZETA", "ZETA2", "RCZ80", "Z80RETRO", "DUO", "UNA", "HEATH", "MON", "NABU", "FZ80"
-$PlatformListZ180 = "N8", "MK4", "RCZ180", "SCZ180", "DYNO", "RPH", "S100", "EPITX"
+$PlatformListZ180 = "N8", "MK4", "RCZ180", "SCZ180", "DYNO", "RPH", "S100", "EPITX", "GMZ180"
 $PlatformListZ280 = "RCZ280"
 
 #

Source/HBIOS/Build.sh

@@ -11,48 +11,47 @@ export CPUFAM
 
 if [ "${ROM_PLATFORM}" == "dist" ] ; then
 	echo "!!!DISTRIBUTION BUILD!!!"
-	ROM_PLATFORM="DYNO"; ROM_CONFIG="std"; bash Build.sh
-	ROM_PLATFORM="MK4"; ROM_CONFIG="std"; bash Build.sh
-	ROM_PLATFORM="N8"; ROM_CONFIG="std"; bash Build.sh
-	ROM_PLATFORM="RCZ180"; ROM_CONFIG="ext"; bash Build.sh
-	ROM_PLATFORM="RCZ180"; ROM_CONFIG="nat"; bash Build.sh
-	ROM_PLATFORM="RCZ180"; ROM_CONFIG="z1rcc"; bash Build.sh
-	ROM_PLATFORM="RCZ280"; ROM_CONFIG="ext"; bash Build.sh
-	ROM_PLATFORM="RCZ280"; ROM_CONFIG="nat"; bash Build.sh
-	ROM_PLATFORM="RCZ280"; ROM_CONFIG="zz80mb"; bash Build.sh
-	ROM_PLATFORM="RCZ280"; ROM_CONFIG="zzrcc"; bash Build.sh
-	ROM_PLATFORM="RCZ280"; ROM_CONFIG="zzrcc_ram"; bash Build.sh
-#	ROM_PLATFORM="RCZ80"; ROM_CONFIG="mt"; bash Build.sh
-#	ROM_PLATFORM="RCZ80"; ROM_CONFIG="duart"; bash Build.sh
-	ROM_PLATFORM="RCZ80"; ROM_CONFIG="std"; bash Build.sh
-	ROM_PLATFORM="RCZ80"; ROM_CONFIG="kio"; bash Build.sh
-	ROM_PLATFORM="RCZ80"; ROM_CONFIG="easy"; bash Build.sh
-	ROM_PLATFORM="RCZ80"; ROM_CONFIG="tiny"; bash Build.sh
-	ROM_PLATFORM="RCZ80"; ROM_CONFIG="skz"; bash Build.sh
-	ROM_PLATFORM="RCZ80"; ROM_CONFIG="zrc"; bash Build.sh
-	ROM_PLATFORM="RCZ80"; ROM_CONFIG="zrc_ram"; bash Build.sh
-	ROM_PLATFORM="RCZ80"; ROM_CONFIG="zrc512"; bash Build.sh
-	ROM_PLATFORM="RPH"; ROM_CONFIG="std"; bash Build.sh
 	ROM_PLATFORM="SBC"; ROM_CONFIG="std"; bash Build.sh
 	ROM_PLATFORM="SBC"; ROM_CONFIG="simh"; bash Build.sh
 	ROM_PLATFORM="MBC"; ROM_CONFIG="std"; bash Build.sh
-	ROM_PLATFORM="DUO"; ROM_CONFIG="std"; bash Build.sh
-	ROM_PLATFORM="SCZ180"; ROM_CONFIG="sc126"; bash Build.sh
-	ROM_PLATFORM="SCZ180"; ROM_CONFIG="sc130"; bash Build.sh
-	ROM_PLATFORM="SCZ180"; ROM_CONFIG="sc131"; bash Build.sh
-	ROM_PLATFORM="SCZ180"; ROM_CONFIG="sc140"; bash Build.sh
-	ROM_PLATFORM="SCZ180"; ROM_CONFIG="sc503"; bash Build.sh
-	ROM_PLATFORM="SCZ180"; ROM_CONFIG="sc700"; bash Build.sh
-	ROM_PLATFORM="S100"; ROM_CONFIG="std"; bash Build.sh
-	ROM_PLATFORM="UNA"; ROM_CONFIG="std"; bash Build.sh
-	ROM_PLATFORM="Z80RETRO"; ROM_CONFIG="std"; bash Build.sh
 	ROM_PLATFORM="ZETA"; ROM_CONFIG="std"; bash Build.sh
 	ROM_PLATFORM="ZETA2"; ROM_CONFIG="std"; bash Build.sh
+	ROM_PLATFORM="N8"; ROM_CONFIG="std"; bash Build.sh
+	ROM_PLATFORM="MK4"; ROM_CONFIG="std"; bash Build.sh
+	ROM_PLATFORM="RCZ80"; ROM_CONFIG="std"; bash Build.sh
+	ROM_PLATFORM="RCZ80"; ROM_CONFIG="kio_std"; bash Build.sh
+	ROM_PLATFORM="RCZ80"; ROM_CONFIG="easy_std"; bash Build.sh
+	ROM_PLATFORM="RCZ80"; ROM_CONFIG="tiny_std"; bash Build.sh
+	ROM_PLATFORM="RCZ80"; ROM_CONFIG="skz_std"; bash Build.sh
+	ROM_PLATFORM="RCZ80"; ROM_CONFIG="zrc_std"; bash Build.sh
+	ROM_PLATFORM="RCZ80"; ROM_CONFIG="zrc_ram_std"; bash Build.sh
+	ROM_PLATFORM="RCZ80"; ROM_CONFIG="zrc512_std"; bash Build.sh
+	ROM_PLATFORM="RCZ180"; ROM_CONFIG="ext_std"; bash Build.sh
+	ROM_PLATFORM="RCZ180"; ROM_CONFIG="nat_std"; bash Build.sh
+	ROM_PLATFORM="RCZ180"; ROM_CONFIG="z1rcc_std"; bash Build.sh
+	ROM_PLATFORM="RCZ280"; ROM_CONFIG="ext_std"; bash Build.sh
+	ROM_PLATFORM="RCZ280"; ROM_CONFIG="nat_std"; bash Build.sh
+	ROM_PLATFORM="RCZ280"; ROM_CONFIG="zz80mb_std"; bash Build.sh
+	ROM_PLATFORM="RCZ280"; ROM_CONFIG="zzrcc_std"; bash Build.sh
+	ROM_PLATFORM="RCZ280"; ROM_CONFIG="zzrcc_ram_std"; bash Build.sh
+	ROM_PLATFORM="SCZ180"; ROM_CONFIG="sc126_std"; bash Build.sh
+	ROM_PLATFORM="SCZ180"; ROM_CONFIG="sc130_std"; bash Build.sh
+	ROM_PLATFORM="SCZ180"; ROM_CONFIG="sc131_std"; bash Build.sh
+	ROM_PLATFORM="SCZ180"; ROM_CONFIG="sc140_std"; bash Build.sh
+	ROM_PLATFORM="SCZ180"; ROM_CONFIG="sc503_std"; bash Build.sh
+	ROM_PLATFORM="SCZ180"; ROM_CONFIG="sc700_std"; bash Build.sh
+	ROM_PLATFORM="GMZ180"; ROM_CONFIG="std"; bash Build.sh
+	ROM_PLATFORM="DYNO"; ROM_CONFIG="std"; bash Build.sh
+	ROM_PLATFORM="RPH"; ROM_CONFIG="std"; bash Build.sh
+	ROM_PLATFORM="Z80RETRO"; ROM_CONFIG="std"; bash Build.sh
+	ROM_PLATFORM="S100"; ROM_CONFIG="std"; bash Build.sh
+	ROM_PLATFORM="DUO"; ROM_CONFIG="std"; bash Build.sh
 	ROM_PLATFORM="HEATH"; ROM_CONFIG="std"; bash Build.sh
 	ROM_PLATFORM="EPITX"; ROM_CONFIG="std"; bash Build.sh
 #	ROM_PLATFORM="MON"; ROM_CONFIG="std"; bash Build.sh
 	ROM_PLATFORM="NABU"; ROM_CONFIG="std"; bash Build.sh
 	ROM_PLATFORM="FZ80"; ROM_CONFIG="std"; bash Build.sh
+	ROM_PLATFORM="UNA"; ROM_CONFIG="std"; bash Build.sh
 	exit
 fi
 

Source/HBIOS/Config/DUO_std.asm

@@ -1,30 +1,50 @@
 ;
 ;==================================================================================================
-;   DUODYNE STANDARD CONFIGURATION
+;   ROMWBW DEFAULT BUILD SETTINGS FOR DUODYNE
 ;==================================================================================================
 ;
-; THE COMPLETE SET OF DEFAULT CONFIGURATION SETTINGS FOR THIS PLATFORM ARE FOUND IN THE
-; CFG_<PLT>.ASM INCLUDED FILE WHICH IS FOUND IN THE PARENT DIRECTORY.  THIS FILE CONTAINS
-; COMMON CONFIGURATION SETTINGS THAT OVERRIDE THE DEFAULTS.  IT IS INTENDED THAT YOU MAKE
-; YOUR CUSTOMIZATIONS IN THIS FILE AND JUST INHERIT ALL OTHER SETTINGS FROM THE DEFAULTS.
-; EVEN BETTER, YOU CAN MAKE A COPY OF THIS FILE WITH A NAME LIKE <PLT>_XXX.ASM AND SPECIFY
-; YOUR FILE IN THE BUILD PROCESS.
+; THIS FILE DEFINES THE DEFAULT CONFIGURATION SETTINGS FOR THE PLATFORM
+; INDICATED ABOVE.  THESE SETTINGS DEFINE THE OFFICIAL BUILD FOR THIS
+; PLATFORM AS DISTRIBUTED IN ROMWBW RELEASES.
 ;
-; THE SETTINGS BELOW ARE THE SETTINGS THAT ARE MOST COMMONLY MODIFIED FOR THIS PLATFORM.
-; MANY OF THEM ARE EQUAL TO THE SETTINGS IN THE INCLUDED FILE, SO THEY DON'T REALLY DO
-; ANYTHING AS IS.  THEY ARE LISTED HERE TO MAKE IT EASY FOR YOU TO ADJUST THE MOST COMMON
-; SETTINGS.
+; ROMWBW USES CASCADING CONFIGURATION FILES AS INDICATED BELOW:
 ;
-; N.B., SINCE THE SETTINGS BELOW ARE REDEFINING VALUES ALREADY SET IN THE INCLUDED FILE,
-; TASM INSISTS THAT YOU USE THE .SET OPERATOR AND NOT THE .EQU OPERATOR BELOW. ATTEMPTING
-; TO REDEFINE A VALUE WITH .EQU BELOW WILL CAUSE TASM ERRORS!
+; cfg_MASTER.asm			- MASTER: CONFIGURATION FILE DEFINES ALL POSSIBLE ROMWBW SETTINGS
+; |
+; +-> cfg_<platform>.asm		- PLATFORM: DEFAULT SETTINGS FOR SPECIFIC PLATFORM
+;     |
+;     +-> Config/<plt>_std.asm		- BUILD: SETTINGS FOR EACH OFFICIAL DIST BUILD
+;         |
+;         +-> Config/<plt>_<cust>.asm	- USER: CUSTOM USER BUILD SETTINGS
 ;
-; PLEASE REFER TO THE CUSTOM BUILD INSTRUCTIONS (README.TXT) IN THE SOURCE DIRECTORY (TWO
-; DIRECTORIES ABOVE THIS ONE).
+; THE TOP (MASTER CONFIGURATION) FILE DEFINES ALL POSSIBLE ROMWBW
+; CONFIGURATION SETTINGS. EACH FILE BELOW THE MASTER CONFIGURATION FILE
+; INHERITS THE CUMULATIVE SETTINGS OF THE FILES ABOVE IT AND MAY
+; OVERRIDE THESE SETTINGS AS DESIRED.
+;
+; OTHER THAN THE TOP MASTER FILE, EACH FILE MUST "#INCLUDE" ITS PARENT
+; FILE (SEE #INCLUDE STATEMENT BELOW).  THE TOP TWO FILES SHOULD NOT BE
+; MODIFIED.
+;
+; TO CUSTOMIZE YOUR BUILD SETTINGS YOU SHOULD MODIFY THIS FILE, THE
+; DEFAULT BUILD SETTINGS (Config/<platform>_std.asm) OR PREFERABLY
+; CREATE AN OPTIONAL CUSTOM USER SETTINGS FILE THAT INCLUDES THE DEFAULT
+; BUILD SETTINGS FILE (SEE EXAMPLE Config/SBC_user.asm).
+;
+; BY CREATING A CUSTOM USER SETTINGS FILE, YOU ARE LESS LIKELY TO BE
+; IMPACTED BY FUTURE CHANGES BECAUSE YOU WILL BE INHERITING MOST
+; OF YOUR SETTINGS WHICH WILL BE UPDATED BY AUTHORS AS ROMWBW EVOLVES.
+;
+; PLEASE REFER TO THE CUSTOM BUILD INSTRUCTIONS (README.TXT) IN THE
+; SOURCE DIRECTORY (TWO DIRECTORIES ABOVE THIS ONE).
+;
+; *** WARNING: ASIDE FROM THE MASTER CONFIGURATION FILE, YOU MUST USE
+; ".SET" TO OVERRIDE SETTINGS.  THE ASSEMBLER WILL ERROR IF YOU ATTEMPT
+; TO USE ".EQU" BECAUSE IT WON'T LET YOU REDEFINE A SETTING WITH ".EQU".
 ;
 #DEFINE	BOOT_DEFAULT	"H"		; DEFAULT BOOT LOADER CMD ON <CR> OR AUTO BOOT
 ;
-#include "cfg_duo.asm"
+#include "cfg_DUO.asm"
 ;
 CPUOSC		.SET	8000000		; CPU OSC FREQ IN MHZ
 CRTACT		.SET	FALSE		; ACTIVATE CRT (VDU,CVDU,PROPIO,ETC) AT STARTUP

Source/HBIOS/Config/DYNO_std.asm

@@ -1,30 +1,50 @@
 ;
 ;==================================================================================================
-;   DYNO STANDARD CONFIGURATION
+;   ROMWBW DEFAULT BUILD SETTINGS FOR DYNO
 ;==================================================================================================
 ;
-; THE COMPLETE SET OF DEFAULT CONFIGURATION SETTINGS FOR THIS PLATFORM ARE FOUND IN THE
-; CFG_<PLT>.ASM INCLUDED FILE WHICH IS FOUND IN THE PARENT DIRECTORY.  THIS FILE CONTAINS
-; COMMON CONFIGURATION SETTINGS THAT OVERRIDE THE DEFAULTS.  IT IS INTENDED THAT YOU MAKE
-; YOUR CUSTOMIZATIONS IN THIS FILE AND JUST INHERIT ALL OTHER SETTINGS FROM THE DEFAULTS.
-; EVEN BETTER, YOU CAN MAKE A COPY OF THIS FILE WITH A NAME LIKE <PLT>_XXX.ASM AND SPECIFY
-; YOUR FILE IN THE BUILD PROCESS.
+; THIS FILE DEFINES THE DEFAULT CONFIGURATION SETTINGS FOR THE PLATFORM
+; INDICATED ABOVE.  THESE SETTINGS DEFINE THE OFFICIAL BUILD FOR THIS
+; PLATFORM AS DISTRIBUTED IN ROMWBW RELEASES.
 ;
-; THE SETTINGS BELOW ARE THE SETTINGS THAT ARE MOST COMMONLY MODIFIED FOR THIS PLATFORM.
-; MANY OF THEM ARE EQUAL TO THE SETTINGS IN THE INCLUDED FILE, SO THEY DON'T REALLY DO
-; ANYTHING AS IS.  THEY ARE LISTED HERE TO MAKE IT EASY FOR YOU TO ADJUST THE MOST COMMON
-; SETTINGS.
+; ROMWBW USES CASCADING CONFIGURATION FILES AS INDICATED BELOW:
 ;
-; N.B., SINCE THE SETTINGS BELOW ARE REDEFINING VALUES ALREADY SET IN THE INCLUDED FILE,
-; TASM INSISTS THAT YOU USE THE .SET OPERATOR AND NOT THE .EQU OPERATOR BELOW. ATTEMPTING
-; TO REDEFINE A VALUE WITH .EQU BELOW WILL CAUSE TASM ERRORS!
+; cfg_MASTER.asm			- MASTER: CONFIGURATION FILE DEFINES ALL POSSIBLE ROMWBW SETTINGS
+; |
+; +-> cfg_<platform>.asm		- PLATFORM: DEFAULT SETTINGS FOR SPECIFIC PLATFORM
+;     |
+;     +-> Config/<plt>_std.asm		- BUILD: SETTINGS FOR EACH OFFICIAL DIST BUILD
+;         |
+;         +-> Config/<plt>_<cust>.asm	- USER: CUSTOM USER BUILD SETTINGS
 ;
-; PLEASE REFER TO THE CUSTOM BUILD INSTRUCTIONS (README.TXT) IN THE SOURCE DIRECTORY (TWO
-; DIRECTORIES ABOVE THIS ONE).
+; THE TOP (MASTER CONFIGURATION) FILE DEFINES ALL POSSIBLE ROMWBW
+; CONFIGURATION SETTINGS. EACH FILE BELOW THE MASTER CONFIGURATION FILE
+; INHERITS THE CUMULATIVE SETTINGS OF THE FILES ABOVE IT AND MAY
+; OVERRIDE THESE SETTINGS AS DESIRED.
+;
+; OTHER THAN THE TOP MASTER FILE, EACH FILE MUST "#INCLUDE" ITS PARENT
+; FILE (SEE #INCLUDE STATEMENT BELOW).  THE TOP TWO FILES SHOULD NOT BE
+; MODIFIED.
+;
+; TO CUSTOMIZE YOUR BUILD SETTINGS YOU SHOULD MODIFY THIS FILE, THE
+; DEFAULT BUILD SETTINGS (Config/<platform>_std.asm) OR PREFERABLY
+; CREATE AN OPTIONAL CUSTOM USER SETTINGS FILE THAT INCLUDES THE DEFAULT
+; BUILD SETTINGS FILE (SEE EXAMPLE Config/SBC_user.asm).
+;
+; BY CREATING A CUSTOM USER SETTINGS FILE, YOU ARE LESS LIKELY TO BE
+; IMPACTED BY FUTURE CHANGES BECAUSE YOU WILL BE INHERITING MOST
+; OF YOUR SETTINGS WHICH WILL BE UPDATED BY AUTHORS AS ROMWBW EVOLVES.
+;
+; PLEASE REFER TO THE CUSTOM BUILD INSTRUCTIONS (README.TXT) IN THE
+; SOURCE DIRECTORY (TWO DIRECTORIES ABOVE THIS ONE).
+;
+; *** WARNING: ASIDE FROM THE MASTER CONFIGURATION FILE, YOU MUST USE
+; ".SET" TO OVERRIDE SETTINGS.  THE ASSEMBLER WILL ERROR IF YOU ATTEMPT
+; TO USE ".EQU" BECAUSE IT WON'T LET YOU REDEFINE A SETTING WITH ".EQU".
 ;
 #DEFINE	BOOT_DEFAULT	"H"		; DEFAULT BOOT LOADER CMD ON <CR> OR AUTO BOOT
 ;
-#include "cfg_dyno.asm"
+#include "cfg_DYNO.asm"
 ;
 CPUOSC		.SET	18432000	; CPU OSC FREQ IN MHZ
 CRTACT		.SET	FALSE		; ACTIVATE CRT (VDU,CVDU,PROPIO,ETC) AT STARTUP

Source/HBIOS/Config/EPITX_std.asm

@@ -1,32 +1,52 @@
 ;
 ;==================================================================================================
-;   Z180 Mini ITX STANDARD CONFIGURATION
+;   ROMWBW DEFAULT BUILD SETTINGS FOR Z180 MINI ITX
 ;==================================================================================================
 ;
-; THE COMPLETE SET OF DEFAULT CONFIGURATION SETTINGS FOR THIS PLATFORM ARE FOUND IN THE
-; CFG_<PLT>.ASM INCLUDED FILE WHICH IS FOUND IN THE PARENT DIRECTORY.  THIS FILE CONTAINS
-; COMMON CONFIGURATION SETTINGS THAT OVERRIDE THE DEFAULTS.  IT IS INTENDED THAT YOU MAKE
-; YOUR CUSTOMIZATIONS IN THIS FILE AND JUST INHERIT ALL OTHER SETTINGS FROM THE DEFAULTS.
-; EVEN BETTER, YOU CAN MAKE A COPY OF THIS FILE WITH A NAME LIKE <PLT>_XXX.ASM AND SPECIFY
-; YOUR FILE IN THE BUILD PROCESS.
+; THIS FILE DEFINES THE DEFAULT CONFIGURATION SETTINGS FOR THE PLATFORM
+; INDICATED ABOVE.  THESE SETTINGS DEFINE THE OFFICIAL BUILD FOR THIS
+; PLATFORM AS DISTRIBUTED IN ROMWBW RELEASES.
 ;
-; THE SETTINGS BELOW ARE THE SETTINGS THAT ARE MOST COMMONLY MODIFIED FOR THIS PLATFORM.
-; MANY OF THEM ARE EQUAL TO THE SETTINGS IN THE INCLUDED FILE, SO THEY DON'T REALLY DO
-; ANYTHING AS IS.  THEY ARE LISTED HERE TO MAKE IT EASY FOR YOU TO ADJUST THE MOST COMMON
-; SETTINGS.
+; ROMWBW USES CASCADING CONFIGURATION FILES AS INDICATED BELOW:
 ;
-; N.B., SINCE THE SETTINGS BELOW ARE REDEFINING VALUES ALREADY SET IN THE INCLUDED FILE,
-; TASM INSISTS THAT YOU USE THE .SET OPERATOR AND NOT THE .EQU OPERATOR BELOW. ATTEMPTING
-; TO REDEFINE A VALUE WITH .EQU BELOW WILL CAUSE TASM ERRORS!
+; cfg_MASTER.asm			- MASTER: CONFIGURATION FILE DEFINES ALL POSSIBLE ROMWBW SETTINGS
+; |
+; +-> cfg_<platform>.asm		- PLATFORM: DEFAULT SETTINGS FOR SPECIFIC PLATFORM
+;     |
+;     +-> Config/<plt>_std.asm		- BUILD: SETTINGS FOR EACH OFFICIAL DIST BUILD
+;         |
+;         +-> Config/<plt>_<cust>.asm	- USER: CUSTOM USER BUILD SETTINGS
 ;
-; PLEASE REFER TO THE CUSTOM BUILD INSTRUCTIONS (README.TXT) IN THE SOURCE DIRECTORY (TWO
-; DIRECTORIES ABOVE THIS ONE).
+; THE TOP (MASTER CONFIGURATION) FILE DEFINES ALL POSSIBLE ROMWBW
+; CONFIGURATION SETTINGS. EACH FILE BELOW THE MASTER CONFIGURATION FILE
+; INHERITS THE CUMULATIVE SETTINGS OF THE FILES ABOVE IT AND MAY
+; OVERRIDE THESE SETTINGS AS DESIRED.
+;
+; OTHER THAN THE TOP MASTER FILE, EACH FILE MUST "#INCLUDE" ITS PARENT
+; FILE (SEE #INCLUDE STATEMENT BELOW).  THE TOP TWO FILES SHOULD NOT BE
+; MODIFIED.
+;
+; TO CUSTOMIZE YOUR BUILD SETTINGS YOU SHOULD MODIFY THIS FILE, THE
+; DEFAULT BUILD SETTINGS (Config/<platform>_std.asm) OR PREFERABLY
+; CREATE AN OPTIONAL CUSTOM USER SETTINGS FILE THAT INCLUDES THE DEFAULT
+; BUILD SETTINGS FILE (SEE EXAMPLE Config/SBC_user.asm).
+;
+; BY CREATING A CUSTOM USER SETTINGS FILE, YOU ARE LESS LIKELY TO BE
+; IMPACTED BY FUTURE CHANGES BECAUSE YOU WILL BE INHERITING MOST
+; OF YOUR SETTINGS WHICH WILL BE UPDATED BY AUTHORS AS ROMWBW EVOLVES.
+;
+; PLEASE REFER TO THE CUSTOM BUILD INSTRUCTIONS (README.TXT) IN THE
+; SOURCE DIRECTORY (TWO DIRECTORIES ABOVE THIS ONE).
+;
+; *** WARNING: ASIDE FROM THE MASTER CONFIGURATION FILE, YOU MUST USE
+; ".SET" TO OVERRIDE SETTINGS.  THE ASSEMBLER WILL ERROR IF YOU ATTEMPT
+; TO USE ".EQU" BECAUSE IT WON'T LET YOU REDEFINE A SETTING WITH ".EQU".
 ;
 #DEFINE	PLATFORM_NAME	"Z180 MiniITX"
 ;
 #DEFINE	BOOT_DEFAULT	"H"		; DEFAULT BOOT LOADER CMD ON <CR> OR AUTO BOOT
 ;
-#include "cfg_epitx.asm"
+#include "cfg_EPITX.asm"
 ;
 CRTACT		.SET	TRUE		; ACTIVATE CRT (VDU,CVDU,PROPIO,ETC) AT STARTUP
 ;

Source/HBIOS/Config/FZ80_std.asm

@@ -1,30 +1,50 @@
 ;
 ;==================================================================================================
-;   S100 FPGZ Z80 STANDARD CONFIGURATION
+;   ROMWBW DEFAULT BUILD SETTINGS FOR S100 FPGA Z80
 ;==================================================================================================
 ;
-; THE COMPLETE SET OF DEFAULT CONFIGURATION SETTINGS FOR THIS PLATFORM ARE FOUND IN THE
-; CFG_<PLT>.ASM INCLUDED FILE WHICH IS FOUND IN THE PARENT DIRECTORY.  THIS FILE CONTAINS
-; COMMON CONFIGURATION SETTINGS THAT OVERRIDE THE DEFAULTS.  IT IS INTENDED THAT YOU MAKE
-; YOUR CUSTOMIZATIONS IN THIS FILE AND JUST INHERIT ALL OTHER SETTINGS FROM THE DEFAULTS.
-; EVEN BETTER, YOU CAN MAKE A COPY OF THIS FILE WITH A NAME LIKE <PLT>_XXX.ASM AND SPECIFY
-; YOUR FILE IN THE BUILD PROCESS.
+; THIS FILE DEFINES THE DEFAULT CONFIGURATION SETTINGS FOR THE PLATFORM
+; INDICATED ABOVE.  THESE SETTINGS DEFINE THE OFFICIAL BUILD FOR THIS
+; PLATFORM AS DISTRIBUTED IN ROMWBW RELEASES.
 ;
-; THE SETTINGS BELOW ARE THE SETTINGS THAT ARE MOST COMMONLY MODIFIED FOR THIS PLATFORM.
-; MANY OF THEM ARE EQUAL TO THE SETTINGS IN THE INCLUDED FILE, SO THEY DON'T REALLY DO
-; ANYTHING AS IS.  THEY ARE LISTED HERE TO MAKE IT EASY FOR YOU TO ADJUST THE MOST COMMON
-; SETTINGS.
+; ROMWBW USES CASCADING CONFIGURATION FILES AS INDICATED BELOW:
 ;
-; N.B., SINCE THE SETTINGS BELOW ARE REDEFINING VALUES ALREADY SET IN THE INCLUDED FILE,
-; TASM INSISTS THAT YOU USE THE .SET OPERATOR AND NOT THE .EQU OPERATOR BELOW. ATTEMPTING
-; TO REDEFINE A VALUE WITH .EQU BELOW WILL CAUSE TASM ERRORS!
+; cfg_MASTER.asm			- MASTER: CONFIGURATION FILE DEFINES ALL POSSIBLE ROMWBW SETTINGS
+; |
+; +-> cfg_<platform>.asm		- PLATFORM: DEFAULT SETTINGS FOR SPECIFIC PLATFORM
+;     |
+;     +-> Config/<plt>_std.asm		- BUILD: SETTINGS FOR EACH OFFICIAL DIST BUILD
+;         |
+;         +-> Config/<plt>_<cust>.asm	- USER: CUSTOM USER BUILD SETTINGS
 ;
-; PLEASE REFER TO THE CUSTOM BUILD INSTRUCTIONS (README.TXT) IN THE SOURCE DIRECTORY (TWO
-; DIRECTORIES ABOVE THIS ONE).
+; THE TOP (MASTER CONFIGURATION) FILE DEFINES ALL POSSIBLE ROMWBW
+; CONFIGURATION SETTINGS. EACH FILE BELOW THE MASTER CONFIGURATION FILE
+; INHERITS THE CUMULATIVE SETTINGS OF THE FILES ABOVE IT AND MAY
+; OVERRIDE THESE SETTINGS AS DESIRED.
+;
+; OTHER THAN THE TOP MASTER FILE, EACH FILE MUST "#INCLUDE" ITS PARENT
+; FILE (SEE #INCLUDE STATEMENT BELOW).  THE TOP TWO FILES SHOULD NOT BE
+; MODIFIED.
+;
+; TO CUSTOMIZE YOUR BUILD SETTINGS YOU SHOULD MODIFY THIS FILE, THE
+; DEFAULT BUILD SETTINGS (Config/<platform>_std.asm) OR PREFERABLY
+; CREATE AN OPTIONAL CUSTOM USER SETTINGS FILE THAT INCLUDES THE DEFAULT
+; BUILD SETTINGS FILE (SEE EXAMPLE Config/SBC_user.asm).
+;
+; BY CREATING A CUSTOM USER SETTINGS FILE, YOU ARE LESS LIKELY TO BE
+; IMPACTED BY FUTURE CHANGES BECAUSE YOU WILL BE INHERITING MOST
+; OF YOUR SETTINGS WHICH WILL BE UPDATED BY AUTHORS AS ROMWBW EVOLVES.
+;
+; PLEASE REFER TO THE CUSTOM BUILD INSTRUCTIONS (README.TXT) IN THE
+; SOURCE DIRECTORY (TWO DIRECTORIES ABOVE THIS ONE).
+;
+; *** WARNING: ASIDE FROM THE MASTER CONFIGURATION FILE, YOU MUST USE
+; ".SET" TO OVERRIDE SETTINGS.  THE ASSEMBLER WILL ERROR IF YOU ATTEMPT
+; TO USE ".EQU" BECAUSE IT WON'T LET YOU REDEFINE A SETTING WITH ".EQU".
 ;
 #DEFINE	BOOT_DEFAULT	"H"		; DEFAULT BOOT LOADER CMD ON <CR> OR AUTO BOOT
 ;
-#include "cfg_fz80.asm"
+#include "cfg_FZ80.asm"
 ;
 CPUOSC		.SET	8000000		; CPU OSC FREQ IN MHZ
 CRTACT		.SET	TRUE		; ACTIVATE CRT (VDU,CVDU,PROPIO,ETC) AT STARTUP

Source/HBIOS/Config/GMZ180_std.asm

@@ -0,0 +1,92 @@
+;
+;==================================================================================================
+;   ROMWBW DEFAULT BUILD SETTINGS FOR GENESIS STD Z180
+;==================================================================================================
+;
+; THIS FILE DEFINES THE DEFAULT CONFIGURATION SETTINGS FOR THE PLATFORM
+; INDICATED ABOVE.  THESE SETTINGS DEFINE THE OFFICIAL BUILD FOR THIS
+; PLATFORM AS DISTRIBUTED IN ROMWBW RELEASES.
+;
+; ROMWBW USES CASCADING CONFIGURATION FILES AS INDICATED BELOW:
+;
+; cfg_MASTER.asm			- MASTER: CONFIGURATION FILE DEFINES ALL POSSIBLE ROMWBW SETTINGS
+; |
+; +-> cfg_<platform>.asm		- PLATFORM: DEFAULT SETTINGS FOR SPECIFIC PLATFORM
+;     |
+;     +-> Config/<plt>_std.asm		- BUILD: SETTINGS FOR EACH OFFICIAL DIST BUILD
+;         |
+;         +-> Config/<plt>_<cust>.asm	- USER: CUSTOM USER BUILD SETTINGS
+;
+; THE TOP (MASTER CONFIGURATION) FILE DEFINES ALL POSSIBLE ROMWBW
+; CONFIGURATION SETTINGS. EACH FILE BELOW THE MASTER CONFIGURATION FILE
+; INHERITS THE CUMULATIVE SETTINGS OF THE FILES ABOVE IT AND MAY
+; OVERRIDE THESE SETTINGS AS DESIRED.
+;
+; OTHER THAN THE TOP MASTER FILE, EACH FILE MUST "#INCLUDE" ITS PARENT
+; FILE (SEE #INCLUDE STATEMENT BELOW).  THE TOP TWO FILES SHOULD NOT BE
+; MODIFIED.
+;
+; TO CUSTOMIZE YOUR BUILD SETTINGS YOU SHOULD MODIFY THIS FILE, THE
+; DEFAULT BUILD SETTINGS (Config/<platform>_std.asm) OR PREFERABLY
+; CREATE AN OPTIONAL CUSTOM USER SETTINGS FILE THAT INCLUDES THE DEFAULT
+; BUILD SETTINGS FILE (SEE EXAMPLE Config/SBC_user.asm).
+;
+; BY CREATING A CUSTOM USER SETTINGS FILE, YOU ARE LESS LIKELY TO BE
+; IMPACTED BY FUTURE CHANGES BECAUSE YOU WILL BE INHERITING MOST
+; OF YOUR SETTINGS WHICH WILL BE UPDATED BY AUTHORS AS ROMWBW EVOLVES.
+;
+; PLEASE REFER TO THE CUSTOM BUILD INSTRUCTIONS (README.TXT) IN THE
+; SOURCE DIRECTORY (TWO DIRECTORIES ABOVE THIS ONE).
+;
+; *** WARNING: ASIDE FROM THE MASTER CONFIGURATION FILE, YOU MUST USE
+; ".SET" TO OVERRIDE SETTINGS.  THE ASSEMBLER WILL ERROR IF YOU ATTEMPT
+; TO USE ".EQU" BECAUSE IT WON'T LET YOU REDEFINE A SETTING WITH ".EQU".
+;
+#DEFINE PLATFORM_NAME "GM STD BUS Z180", " [", CONFIG, "]"
+;
+#DEFINE	BOOT_DEFAULT	"H"		; DEFAULT BOOT LOADER CMD ON <CR> OR AUTO BOOT
+;
+#include "cfg_GMZ180.asm"
+;
+CPUOSC	.SET	18432000	; CPU OSC FREQ IN MHZ
+CRTACT	.SET	FALSE		; ACTIVATE CRT (VDU,CVDU,PROPIO,ETC) AT STARTUP
+;
+Z180_CLKDIV	.SET	1		; Z180: CHK DIV: 0=OSC/2, 1=OSC, 2=OSC*2
+Z180_MEMWAIT	.SET	0		; Z180: MEMORY WAIT STATES (0-3)
+Z180_IOWAIT	.SET	1		; Z180: I/O WAIT STATES TO ADD ABOVE 1 W/S BUILT-IN (0-3)
+;
+LEDENABLE	.SET	FALSE		; ENABLE STATUS LED (SINGLE LED)
+LEDMODE	.SET	LEDMODE_STD	; LEDMODE_[STD|SC|RTC|NABU]
+;
+FPLED_ENABLE	.SET	FALSE		; FP: ENABLES FRONT PANEL LEDS
+FPLED_IO	.SET	$00		; FP: PORT ADDRESS FOR FP LEDS
+;
+DSRTCENABLE	.SET	TRUE		; DSRTC: ENABLE DS-1302 CLOCK DRIVER (DSRTC.ASM)
+INTRTCENABLE	.SET	TRUE		; ENABLE PERIODIC INTERRUPT CLOCK DRIVER (INTRTC.ASM)
+;
+UARTENABLE	.SET	FALSE		; UART: ENABLE 8250/16550-LIKE SERIAL DRIVER (UART.ASM)
+ASCIENABLE	.SET	TRUE		; ASCI: ENABLE Z180 ASCI SERIAL DRIVER (ASCI.ASM)
+ACIAENABLE	.SET	FALSE		; ACIA: ENABLE MOTOROLA 6850 ACIA DRIVER (ACIA.ASM)
+SIOENABLE	.SET	FALSE		; SIO: ENABLE ZILOG SIO SERIAL DRIVER (SIO.ASM)
+;
+TMSENABLE	.SET	FALSE		; TMS: ENABLE TMS9918 VIDEO/KBD DRIVER (TMS.ASM)
+TMSTIMENABLE	.SET	FALSE		; TMS: ENABLE TIMER INTERRUPTS (REQUIRES IM1)
+TMSMODE	.SET	TMSMODE_MSX	; TMS: DRIVER MODE: TMSMODE_[SCG|N8|MBC|MSX|MSX9958|MSXKBD|COLECO]
+MKYENABLE	.SET	FALSE		; MSX 5255 PPI KEYBOARD COMPATIBLE DRIVER (REQUIRES TMS VDA DRIVER)
+EFENABLE	.SET	FALSE		; EF: ENABLE EF9345 VIDEO DRIVER (EF.ASM)
+VDAEMU_SERKBD	.SET	0		; VDA EMULATION: SERIAL KBD UNIT #, OR $FF FOR HW KBD
+;
+AY38910ENABLE	.SET	FALSE		; AY: AY-3-8910 / YM2149 SOUND DRIVER
+AYMODE		.SET	AYMODE_RCZ180	; AY: DRIVER MODE: AYMODE_[SCG|N8|RCZ80|RCZ180|MSX|LINC]
+SN76489ENABLE	.SET	FALSE		; SN: ENABLE SN76489 SOUND DRIVER
+;
+FDENABLE	.SET	FALSE		; FD: ENABLE FLOPPY DISK DRIVER (FD.ASM)
+FDMODE	.SET	FDMODE_RCWDC	; FD: DRIVER MODE: FDMODE_[DIO|ZETA|ZETA2|DIDE|N8|DIO3|RCSMC|RCWDC|DYNO|EPWDC]
+;
+IDEENABLE	.SET	TRUE		; IDE: ENABLE IDE DISK DRIVER (IDE.ASM)
+PPIDEENABLE	.SET	FALSE		; PPIDE: ENABLE PARALLEL PORT IDE DISK DRIVER (PPIDE.ASM)
+SDENABLE	.SET	TRUE		; SD: ENABLE SD CARD DISK DRIVER (SD.ASM)
+SDMODE	.SET	SDMODE_GM	; SD: DRIVER MODE: SDMODE_[JUHA|N8|CSIO|PPI|UART|DSD|MK4|SC|MT|USR]
+SDCNT		.SET	1		; SD: NUMBER OF SD CARD DEVICES (1-2), FOR DSD & SC ONLY
+;
+PRPENABLE	.SET	FALSE		; PRP: ENABLE ECB PROPELLER IO BOARD DRIVER (PRP.ASM)

Source/HBIOS/Config/HEATH_std.asm

@@ -1,69 +1,48 @@
 ;
 ;==================================================================================================
-;   HEATH H8 Z80 STANDARD CONFIGURATION
+;   ROMWBW DEFAULT BUILD SETTINGS FOR HEATH H8 Z80
 ;==================================================================================================
 ;
-; THE COMPLETE SET OF DEFAULT CONFIGURATION SETTINGS FOR THIS PLATFORM ARE FOUND IN THE
-; CFG_<PLT>.ASM INCLUDED FILE WHICH IS FOUND IN THE PARENT DIRECTORY.  THIS FILE CONTAINS
-; COMMON CONFIGURATION SETTINGS THAT OVERRIDE THE DEFAULTS.  IT IS INTENDED THAT YOU MAKE
-; YOUR CUSTOMIZATIONS IN THIS FILE AND JUST INHERIT ALL OTHER SETTINGS FROM THE DEFAULTS.
-; EVEN BETTER, YOU CAN MAKE A COPY OF THIS FILE WITH A NAME LIKE <PLT>_XXX.ASM AND SPECIFY
-; YOUR FILE IN THE BUILD PROCESS.
+; THIS FILE DEFINES THE DEFAULT CONFIGURATION SETTINGS FOR THE PLATFORM
+; INDICATED ABOVE.  THESE SETTINGS DEFINE THE OFFICIAL BUILD FOR THIS
+; PLATFORM AS DISTRIBUTED IN ROMWBW RELEASES.
 ;
-; THE SETTINGS BELOW ARE THE SETTINGS THAT ARE MOST COMMONLY MODIFIED FOR THIS PLATFORM.
-; MANY OF THEM ARE EQUAL TO THE SETTINGS IN THE INCLUDED FILE, SO THEY DON'T REALLY DO
-; ANYTHING AS IS.  THEY ARE LISTED HERE TO MAKE IT EASY FOR YOU TO ADJUST THE MOST COMMON
-; SETTINGS.
+; ROMWBW USES CASCADING CONFIGURATION FILES AS INDICATED BELOW:
 ;
-; N.B., SINCE THE SETTINGS BELOW ARE REDEFINING VALUES ALREADY SET IN THE INCLUDED FILE,
-; TASM INSISTS THAT YOU USE THE .SET OPERATOR AND NOT THE .EQU OPERATOR BELOW. ATTEMPTING
-; TO REDEFINE A VALUE WITH .EQU BELOW WILL CAUSE TASM ERRORS!
+; cfg_MASTER.asm			- MASTER: CONFIGURATION FILE DEFINES ALL POSSIBLE ROMWBW SETTINGS
+; |
+; +-> cfg_<platform>.asm		- PLATFORM: DEFAULT SETTINGS FOR SPECIFIC PLATFORM
+;     |
+;     +-> Config/<plt>_std.asm		- BUILD: SETTINGS FOR EACH OFFICIAL DIST BUILD
+;         |
+;         +-> Config/<plt>_<cust>.asm	- USER: CUSTOM USER BUILD SETTINGS
 ;
-; PLEASE REFER TO THE CUSTOM BUILD INSTRUCTIONS (README.TXT) IN THE SOURCE DIRECTORY (TWO
-; DIRECTORIES ABOVE THIS ONE).
+; THE TOP (MASTER CONFIGURATION) FILE DEFINES ALL POSSIBLE ROMWBW
+; CONFIGURATION SETTINGS. EACH FILE BELOW THE MASTER CONFIGURATION FILE
+; INHERITS THE CUMULATIVE SETTINGS OF THE FILES ABOVE IT AND MAY
+; OVERRIDE THESE SETTINGS AS DESIRED.
+;
+; OTHER THAN THE TOP MASTER FILE, EACH FILE MUST "#INCLUDE" ITS PARENT
+; FILE (SEE #INCLUDE STATEMENT BELOW).  THE TOP TWO FILES SHOULD NOT BE
+; MODIFIED.
+;
+; TO CUSTOMIZE YOUR BUILD SETTINGS YOU SHOULD MODIFY THIS FILE, THE
+; DEFAULT BUILD SETTINGS (Config/<platform>_std.asm) OR PREFERABLY
+; CREATE AN OPTIONAL CUSTOM USER SETTINGS FILE THAT INCLUDES THE DEFAULT
+; BUILD SETTINGS FILE (SEE EXAMPLE Config/SBC_user.asm).
+;
+; BY CREATING A CUSTOM USER SETTINGS FILE, YOU ARE LESS LIKELY TO BE
+; IMPACTED BY FUTURE CHANGES BECAUSE YOU WILL BE INHERITING MOST
+; OF YOUR SETTINGS WHICH WILL BE UPDATED BY AUTHORS AS ROMWBW EVOLVES.
+;
+; PLEASE REFER TO THE CUSTOM BUILD INSTRUCTIONS (README.TXT) IN THE
+; SOURCE DIRECTORY (TWO DIRECTORIES ABOVE THIS ONE).
+;
+; *** WARNING: ASIDE FROM THE MASTER CONFIGURATION FILE, YOU MUST USE
+; ".SET" TO OVERRIDE SETTINGS.  THE ASSEMBLER WILL ERROR IF YOU ATTEMPT
+; TO USE ".EQU" BECAUSE IT WON'T LET YOU REDEFINE A SETTING WITH ".EQU".
 ;
 #DEFINE	BOOT_DEFAULT	"H"		; DEFAULT BOOT LOADER CMD ON <CR> OR AUTO BOOT
 ;
-#include "cfg_rcz80.asm"
+#include "cfg_HEATH.asm"
 ;
-CPUOSC		.SET	7372800		; CPU OSC FREQ IN MHZ
-CRTACT		.SET	FALSE		; ACTIVATE CRT (VDU,CVDU,PROPIO,ETC) AT STARTUP
-;
-DSKYENABLE	.SET	TRUE		; ENABLES DSKY FUNCTIONALITY
-H8PENABLE	.SET	TRUE		; ENABLES HEATH H8 FRONT PANEL
-;
-FPLED_ENABLE	.SET	TRUE		; FP: ENABLES FRONT PANEL LEDS
-FPSW_ENABLE	.SET	TRUE		; FP: ENABLES FRONT PANEL SWITCHES
-;
-DSRTCENABLE	.SET	TRUE		; DSRTC: ENABLE DS-1302 CLOCK DRIVER (DSRTC.ASM)
-RP5RTCENABLE	.SET	FALSE		; RP5C01 RTC BASED CLOCK (RP5RTC.ASM)
-;
-UARTENABLE	.SET	TRUE		; UART: ENABLE 8250/16550-LIKE SERIAL DRIVER (UART.ASM)
-ACIAENABLE	.SET	TRUE		; ACIA: ENABLE MOTOROLA 6850 ACIA DRIVER (ACIA.ASM)
-SIOENABLE	.SET	TRUE		; SIO: ENABLE ZILOG SIO SERIAL DRIVER (SIO.ASM)
-DUARTENABLE	.SET	FALSE		; DUART: ENABLE 2681/2692 SERIAL DRIVER (DUART.ASM)
-;
-LPTENABLE	.SET	FALSE		; LPT: ENABLE CENTRONICS PRINTER DRIVER (LPT.ASM)
-;
-TMSENABLE	.SET	FALSE		; TMS: ENABLE TMS9918 VIDEO/KBD DRIVER (TMS.ASM)
-TMSTIMENABLE	.SET	FALSE		; TMS: ENABLE TIMER INTERRUPTS (REQUIRES IM1)
-TMSMODE		.SET	TMSMODE_MSX	; TMS: DRIVER MODE: TMSMODE_[SCG|N8|MBC|MSX|MSX9958|MSXKBD|COLECO]
-MKYENABLE	.SET	FALSE		; MSX 5255 PPI KEYBOARD COMPATIBLE DRIVER (REQUIRES TMS VDA DRIVER)
-VRCENABLE	.SET	FALSE		; VRC: ENABLE VGARC VIDEO/KBD DRIVER (VRC.ASM)
-VDAEMU_SERKBD	.SET	0		; VDA EMULATION: SERIAL KBD UNIT #, OR $FF FOR HW KBD
-;
-AY38910ENABLE	.SET	FALSE		; AY: AY-3-8910 / YM2149 SOUND DRIVER
-AYMODE		.SET	AYMODE_RCZ80	; AY: DRIVER MODE: AYMODE_[SCG|N8|RCZ80|RCZ180|MSX|LINC]
-SN76489ENABLE	.SET	FALSE		; SN: ENABLE SN76489 SOUND DRIVER
-;
-FDENABLE	.SET	TRUE		; FD: ENABLE FLOPPY DISK DRIVER (FD.ASM)
-FDMODE		.SET	FDMODE_RCWDC	; FD: DRIVER MODE: FDMODE_[DIO|ZETA|ZETA2|DIDE|N8|DIO3|RCSMC|RCWDC|DYNO|EPFDC]
-;
-IDEENABLE	.SET	TRUE		; IDE: ENABLE IDE DISK DRIVER (IDE.ASM)
-PPIDEENABLE	.SET	TRUE		; PPIDE: ENABLE PARALLEL PORT IDE DISK DRIVER (PPIDE.ASM)
-SDENABLE	.SET	FALSE		; SD: ENABLE SD CARD DISK DRIVER (SD.ASM)
-SDMODE		.SET	SDMODE_PIO	; SD: DRIVER MODE: SDMODE_[JUHA|N8|CSIO|PPI|UART|DSD|MK4|SC|MT|PIO|USR]
-SDCNT		.SET	1		; SD: NUMBER OF SD CARD DEVICES (1-2), FOR DSD/SC/MT SC ONLY
-IMMENABLE	.SET	FALSE		; IMM: ENABLE IMM DISK DRIVER (IMM.ASM)
-;
-PRPENABLE	.SET	FALSE		; PRP: ENABLE ECB PROPELLER IO BOARD DRIVER (PRP.ASM)

Source/HBIOS/Config/MBC_std.asm

@@ -1,30 +1,50 @@
 ;
 ;==================================================================================================
-;   MBC CONFIGURATION
+;   ROMWBW DEFAULT BUILD SETTINGS FOR NHYODYNE
 ;==================================================================================================
 ;
-; THE COMPLETE SET OF DEFAULT CONFIGURATION SETTINGS FOR THIS PLATFORM ARE FOUND IN THE
-; CFG_<PLT>.ASM INCLUDED FILE WHICH IS FOUND IN THE PARENT DIRECTORY.  THIS FILE CONTAINS
-; COMMON CONFIGURATION SETTINGS THAT OVERRIDE THE DEFAULTS.  IT IS INTENDED THAT YOU MAKE
-; YOUR CUSTOMIZATIONS IN THIS FILE AND JUST INHERIT ALL OTHER SETTINGS FROM THE DEFAULTS.
-; EVEN BETTER, YOU CAN MAKE A COPY OF THIS FILE WITH A NAME LIKE <PLT>_XXX.ASM AND SPECIFY
-; YOUR FILE IN THE BUILD PROCESS.
+; THIS FILE DEFINES THE DEFAULT CONFIGURATION SETTINGS FOR THE PLATFORM
+; INDICATED ABOVE.  THESE SETTINGS DEFINE THE OFFICIAL BUILD FOR THIS
+; PLATFORM AS DISTRIBUTED IN ROMWBW RELEASES.
 ;
-; THE SETTINGS BELOW ARE THE SETTINGS THAT ARE MOST COMMONLY MODIFIED FOR THIS PLATFORM.
-; MANY OF THEM ARE EQUAL TO THE SETTINGS IN THE INCLUDED FILE, SO THEY DON'T REALLY DO
-; ANYTHING AS IS.  THEY ARE LISTED HERE TO MAKE IT EASY FOR YOU TO ADJUST THE MOST COMMON
-; SETTINGS.
+; ROMWBW USES CASCADING CONFIGURATION FILES AS INDICATED BELOW:
 ;
-; N.B., SINCE THE SETTINGS BELOW ARE REDEFINING VALUES ALREADY SET IN THE INCLUDED FILE,
-; TASM INSISTS THAT YOU USE THE .SET OPERATOR AND NOT THE .EQU OPERATOR BELOW. ATTEMPTING
-; TO REDEFINE A VALUE WITH .EQU BELOW WILL CAUSE TASM ERRORS!
+; cfg_MASTER.asm			- MASTER: CONFIGURATION FILE DEFINES ALL POSSIBLE ROMWBW SETTINGS
+; |
+; +-> cfg_<platform>.asm		- PLATFORM: DEFAULT SETTINGS FOR SPECIFIC PLATFORM
+;     |
+;     +-> Config/<plt>_std.asm		- BUILD: SETTINGS FOR EACH OFFICIAL DIST BUILD
+;         |
+;         +-> Config/<plt>_<cust>.asm	- USER: CUSTOM USER BUILD SETTINGS
 ;
-; PLEASE REFER TO THE CUSTOM BUILD INSTRUCTIONS (README.TXT) IN THE SOURCE DIRECTORY (TWO
-; DIRECTORIES ABOVE THIS ONE).
+; THE TOP (MASTER CONFIGURATION) FILE DEFINES ALL POSSIBLE ROMWBW
+; CONFIGURATION SETTINGS. EACH FILE BELOW THE MASTER CONFIGURATION FILE
+; INHERITS THE CUMULATIVE SETTINGS OF THE FILES ABOVE IT AND MAY
+; OVERRIDE THESE SETTINGS AS DESIRED.
+;
+; OTHER THAN THE TOP MASTER FILE, EACH FILE MUST "#INCLUDE" ITS PARENT
+; FILE (SEE #INCLUDE STATEMENT BELOW).  THE TOP TWO FILES SHOULD NOT BE
+; MODIFIED.
+;
+; TO CUSTOMIZE YOUR BUILD SETTINGS YOU SHOULD MODIFY THIS FILE, THE
+; DEFAULT BUILD SETTINGS (Config/<platform>_std.asm) OR PREFERABLY
+; CREATE AN OPTIONAL CUSTOM USER SETTINGS FILE THAT INCLUDES THE DEFAULT
+; BUILD SETTINGS FILE (SEE EXAMPLE Config/SBC_user.asm).
+;
+; BY CREATING A CUSTOM USER SETTINGS FILE, YOU ARE LESS LIKELY TO BE
+; IMPACTED BY FUTURE CHANGES BECAUSE YOU WILL BE INHERITING MOST
+; OF YOUR SETTINGS WHICH WILL BE UPDATED BY AUTHORS AS ROMWBW EVOLVES.
+;
+; PLEASE REFER TO THE CUSTOM BUILD INSTRUCTIONS (README.TXT) IN THE
+; SOURCE DIRECTORY (TWO DIRECTORIES ABOVE THIS ONE).
+;
+; *** WARNING: ASIDE FROM THE MASTER CONFIGURATION FILE, YOU MUST USE
+; ".SET" TO OVERRIDE SETTINGS.  THE ASSEMBLER WILL ERROR IF YOU ATTEMPT
+; TO USE ".EQU" BECAUSE IT WON'T LET YOU REDEFINE A SETTING WITH ".EQU".
 ;
 #DEFINE	BOOT_DEFAULT	"H"		; DEFAULT BOOT LOADER CMD ON <CR> OR AUTO BOOT
 ;
-#include "cfg_mbc.asm"
+#include "cfg_MBC.asm"
 ;
 CPUOSC		.SET	8000000		; CPU OSC FREQ IN MHZ
 CRTACT		.SET	FALSE		; ACTIVATE CRT (VDU,CVDU,PROPIO,ETC) AT STARTUP

Source/HBIOS/Config/MK4_std.asm

@@ -1,30 +1,50 @@
 ;
 ;==================================================================================================
-;   MARK IV STANDARD CONFIGURATION
+;   ROMWBW DEFAULT BUILD SETTINGS FOR MARK IV
 ;==================================================================================================
 ;
-; THE COMPLETE SET OF DEFAULT CONFIGURATION SETTINGS FOR THIS PLATFORM ARE FOUND IN THE
-; CFG_<PLT>.ASM INCLUDED FILE WHICH IS FOUND IN THE PARENT DIRECTORY.  THIS FILE CONTAINS
-; COMMON CONFIGURATION SETTINGS THAT OVERRIDE THE DEFAULTS.  IT IS INTENDED THAT YOU MAKE
-; YOUR CUSTOMIZATIONS IN THIS FILE AND JUST INHERIT ALL OTHER SETTINGS FROM THE DEFAULTS.
-; EVEN BETTER, YOU CAN MAKE A COPY OF THIS FILE WITH A NAME LIKE <PLT>_XXX.ASM AND SPECIFY
-; YOUR FILE IN THE BUILD PROCESS.
+; THIS FILE DEFINES THE DEFAULT CONFIGURATION SETTINGS FOR THE PLATFORM
+; INDICATED ABOVE.  THESE SETTINGS DEFINE THE OFFICIAL BUILD FOR THIS
+; PLATFORM AS DISTRIBUTED IN ROMWBW RELEASES.
 ;
-; THE SETTINGS BELOW ARE THE SETTINGS THAT ARE MOST COMMONLY MODIFIED FOR THIS PLATFORM.
-; MANY OF THEM ARE EQUAL TO THE SETTINGS IN THE INCLUDED FILE, SO THEY DON'T REALLY DO
-; ANYTHING AS IS.  THEY ARE LISTED HERE TO MAKE IT EASY FOR YOU TO ADJUST THE MOST COMMON
-; SETTINGS.
+; ROMWBW USES CASCADING CONFIGURATION FILES AS INDICATED BELOW:
 ;
-; N.B., SINCE THE SETTINGS BELOW ARE REDEFINING VALUES ALREADY SET IN THE INCLUDED FILE,
-; TASM INSISTS THAT YOU USE THE .SET OPERATOR AND NOT THE .EQU OPERATOR BELOW. ATTEMPTING
-; TO REDEFINE A VALUE WITH .EQU BELOW WILL CAUSE TASM ERRORS!
+; cfg_MASTER.asm			- MASTER: CONFIGURATION FILE DEFINES ALL POSSIBLE ROMWBW SETTINGS
+; |
+; +-> cfg_<platform>.asm		- PLATFORM: DEFAULT SETTINGS FOR SPECIFIC PLATFORM
+;     |
+;     +-> Config/<plt>_std.asm		- BUILD: SETTINGS FOR EACH OFFICIAL DIST BUILD
+;         |
+;         +-> Config/<plt>_<cust>.asm	- USER: CUSTOM USER BUILD SETTINGS
 ;
-; PLEASE REFER TO THE CUSTOM BUILD INSTRUCTIONS (README.TXT) IN THE SOURCE DIRECTORY (TWO
-; DIRECTORIES ABOVE THIS ONE).
+; THE TOP (MASTER CONFIGURATION) FILE DEFINES ALL POSSIBLE ROMWBW
+; CONFIGURATION SETTINGS. EACH FILE BELOW THE MASTER CONFIGURATION FILE
+; INHERITS THE CUMULATIVE SETTINGS OF THE FILES ABOVE IT AND MAY
+; OVERRIDE THESE SETTINGS AS DESIRED.
+;
+; OTHER THAN THE TOP MASTER FILE, EACH FILE MUST "#INCLUDE" ITS PARENT
+; FILE (SEE #INCLUDE STATEMENT BELOW).  THE TOP TWO FILES SHOULD NOT BE
+; MODIFIED.
+;
+; TO CUSTOMIZE YOUR BUILD SETTINGS YOU SHOULD MODIFY THIS FILE, THE
+; DEFAULT BUILD SETTINGS (Config/<platform>_std.asm) OR PREFERABLY
+; CREATE AN OPTIONAL CUSTOM USER SETTINGS FILE THAT INCLUDES THE DEFAULT
+; BUILD SETTINGS FILE (SEE EXAMPLE Config/SBC_user.asm).
+;
+; BY CREATING A CUSTOM USER SETTINGS FILE, YOU ARE LESS LIKELY TO BE
+; IMPACTED BY FUTURE CHANGES BECAUSE YOU WILL BE INHERITING MOST
+; OF YOUR SETTINGS WHICH WILL BE UPDATED BY AUTHORS AS ROMWBW EVOLVES.
+;
+; PLEASE REFER TO THE CUSTOM BUILD INSTRUCTIONS (README.TXT) IN THE
+; SOURCE DIRECTORY (TWO DIRECTORIES ABOVE THIS ONE).
+;
+; *** WARNING: ASIDE FROM THE MASTER CONFIGURATION FILE, YOU MUST USE
+; ".SET" TO OVERRIDE SETTINGS.  THE ASSEMBLER WILL ERROR IF YOU ATTEMPT
+; TO USE ".EQU" BECAUSE IT WON'T LET YOU REDEFINE A SETTING WITH ".EQU".
 ;
 #DEFINE	BOOT_DEFAULT	"H"		; DEFAULT BOOT LOADER CMD ON <CR> OR AUTO BOOT
 ;
-#include "cfg_mk4.asm"
+#include "cfg_MK4.asm"
 ;
 CPUOSC		.SET	18432000	; CPU OSC FREQ IN MHZ
 INTMODE		.SET	2		; INTERRUPTS: 0=NONE, 1=MODE 1, 2=MODE 2
@@ -35,9 +55,6 @@ Z180_MEMWAIT	.SET	0		; Z180: MEMORY WAIT STATES (0-3)
 Z180_IOWAIT	.SET	1		; Z180: I/O WAIT STATES TO ADD ABOVE 1 W/S BUILT-IN (0-3)
 ;
 UARTENABLE	.SET	TRUE		; UART: ENABLE 8250/16550-LIKE SERIAL DRIVER (UART.ASM)
-UARTCAS		.SET	TRUE		; UART: AUTO-DETECT ECB CASSETTE UART
-UARTMFP		.SET	TRUE		; UART: AUTO-DETECT MF/PIC UART
-UART4		.SET	TRUE		; UART: AUTO-DETECT 4UART UART
 SIOENABLE	.SET	FALSE		; SIO: ENABLE ZILOG SIO SERIAL DRIVER (SIO.ASM)
 ;
 TMSENABLE	.SET	FALSE		; TMS: ENABLE TMS9918 VIDEO/KBD DRIVER (TMS.ASM)

Source/HBIOS/Config/MON_std.asm

@@ -1,30 +1,50 @@
 ;
 ;==================================================================================================
-;   MONSPUTER Z80 STANDARD CONFIGURATION
+;   ROMWBW DEFAULT BUILD SETTINGS FOR MONSPUTER Z80
 ;==================================================================================================
 ;
-; THE COMPLETE SET OF DEFAULT CONFIGURATION SETTINGS FOR THIS PLATFORM ARE FOUND IN THE
-; CFG_<PLT>.ASM INCLUDED FILE WHICH IS FOUND IN THE PARENT DIRECTORY.  THIS FILE CONTAINS
-; COMMON CONFIGURATION SETTINGS THAT OVERRIDE THE DEFAULTS.  IT IS INTENDED THAT YOU MAKE
-; YOUR CUSTOMIZATIONS IN THIS FILE AND JUST INHERIT ALL OTHER SETTINGS FROM THE DEFAULTS.
-; EVEN BETTER, YOU CAN MAKE A COPY OF THIS FILE WITH A NAME LIKE <PLT>_XXX.ASM AND SPECIFY
-; YOUR FILE IN THE BUILD PROCESS.
+; THIS FILE DEFINES THE DEFAULT CONFIGURATION SETTINGS FOR THE PLATFORM
+; INDICATED ABOVE.  THESE SETTINGS DEFINE THE OFFICIAL BUILD FOR THIS
+; PLATFORM AS DISTRIBUTED IN ROMWBW RELEASES.
 ;
-; THE SETTINGS BELOW ARE THE SETTINGS THAT ARE MOST COMMONLY MODIFIED FOR THIS PLATFORM.
-; MANY OF THEM ARE EQUAL TO THE SETTINGS IN THE INCLUDED FILE, SO THEY DON'T REALLY DO
-; ANYTHING AS IS.  THEY ARE LISTED HERE TO MAKE IT EASY FOR YOU TO ADJUST THE MOST COMMON
-; SETTINGS.
+; ROMWBW USES CASCADING CONFIGURATION FILES AS INDICATED BELOW:
 ;
-; N.B., SINCE THE SETTINGS BELOW ARE REDEFINING VALUES ALREADY SET IN THE INCLUDED FILE,
-; TASM INSISTS THAT YOU USE THE .SET OPERATOR AND NOT THE .EQU OPERATOR BELOW. ATTEMPTING
-; TO REDEFINE A VALUE WITH .EQU BELOW WILL CAUSE TASM ERRORS!
+; cfg_MASTER.asm			- MASTER: CONFIGURATION FILE DEFINES ALL POSSIBLE ROMWBW SETTINGS
+; |
+; +-> cfg_<platform>.asm		- PLATFORM: DEFAULT SETTINGS FOR SPECIFIC PLATFORM
+;     |
+;     +-> Config/<plt>_std.asm		- BUILD: SETTINGS FOR EACH OFFICIAL DIST BUILD
+;         |
+;         +-> Config/<plt>_<cust>.asm	- USER: CUSTOM USER BUILD SETTINGS
 ;
-; PLEASE REFER TO THE CUSTOM BUILD INSTRUCTIONS (README.TXT) IN THE SOURCE DIRECTORY (TWO
-; DIRECTORIES ABOVE THIS ONE).
+; THE TOP (MASTER CONFIGURATION) FILE DEFINES ALL POSSIBLE ROMWBW
+; CONFIGURATION SETTINGS. EACH FILE BELOW THE MASTER CONFIGURATION FILE
+; INHERITS THE CUMULATIVE SETTINGS OF THE FILES ABOVE IT AND MAY
+; OVERRIDE THESE SETTINGS AS DESIRED.
+;
+; OTHER THAN THE TOP MASTER FILE, EACH FILE MUST "#INCLUDE" ITS PARENT
+; FILE (SEE #INCLUDE STATEMENT BELOW).  THE TOP TWO FILES SHOULD NOT BE
+; MODIFIED.
+;
+; TO CUSTOMIZE YOUR BUILD SETTINGS YOU SHOULD MODIFY THIS FILE, THE
+; DEFAULT BUILD SETTINGS (Config/<platform>_std.asm) OR PREFERABLY
+; CREATE AN OPTIONAL CUSTOM USER SETTINGS FILE THAT INCLUDES THE DEFAULT
+; BUILD SETTINGS FILE (SEE EXAMPLE Config/SBC_user.asm).
+;
+; BY CREATING A CUSTOM USER SETTINGS FILE, YOU ARE LESS LIKELY TO BE
+; IMPACTED BY FUTURE CHANGES BECAUSE YOU WILL BE INHERITING MOST
+; OF YOUR SETTINGS WHICH WILL BE UPDATED BY AUTHORS AS ROMWBW EVOLVES.
+;
+; PLEASE REFER TO THE CUSTOM BUILD INSTRUCTIONS (README.TXT) IN THE
+; SOURCE DIRECTORY (TWO DIRECTORIES ABOVE THIS ONE).
+;
+; *** WARNING: ASIDE FROM THE MASTER CONFIGURATION FILE, YOU MUST USE
+; ".SET" TO OVERRIDE SETTINGS.  THE ASSEMBLER WILL ERROR IF YOU ATTEMPT
+; TO USE ".EQU" BECAUSE IT WON'T LET YOU REDEFINE A SETTING WITH ".EQU".
 ;
 #DEFINE	BOOT_DEFAULT	"H"		; DEFAULT BOOT LOADER CMD ON <CR> OR AUTO BOOT
 ;
-#include "cfg_mon.asm"
+#include "cfg_MON.asm"
 ;
 CPUOSC		.SET	4000000		; CPU OSC FREQ IN MHZ
 CRTACT		.SET	FALSE		; ACTIVATE CRT (VDU,CVDU,PROPIO,ETC) AT STARTUP

Source/HBIOS/Config/N8_std.asm

@@ -1,30 +1,50 @@
 ;
 ;==================================================================================================
-;   N8 STANDARD CONFIGURATION
+;   ROMWBW DEFAULT BUILD SETTINGS FOR N8
 ;==================================================================================================
 ;
-; THE COMPLETE SET OF DEFAULT CONFIGURATION SETTINGS FOR THIS PLATFORM ARE FOUND IN THE
-; CFG_<PLT>.ASM INCLUDED FILE WHICH IS FOUND IN THE PARENT DIRECTORY.  THIS FILE CONTAINS
-; COMMON CONFIGURATION SETTINGS THAT OVERRIDE THE DEFAULTS.  IT IS INTENDED THAT YOU MAKE
-; YOUR CUSTOMIZATIONS IN THIS FILE AND JUST INHERIT ALL OTHER SETTINGS FROM THE DEFAULTS.
-; EVEN BETTER, YOU CAN MAKE A COPY OF THIS FILE WITH A NAME LIKE <PLT>_XXX.ASM AND SPECIFY
-; YOUR FILE IN THE BUILD PROCESS.
+; THIS FILE DEFINES THE DEFAULT CONFIGURATION SETTINGS FOR THE PLATFORM
+; INDICATED ABOVE.  THESE SETTINGS DEFINE THE OFFICIAL BUILD FOR THIS
+; PLATFORM AS DISTRIBUTED IN ROMWBW RELEASES.
 ;
-; THE SETTINGS BELOW ARE THE SETTINGS THAT ARE MOST COMMONLY MODIFIED FOR THIS PLATFORM.
-; MANY OF THEM ARE EQUAL TO THE SETTINGS IN THE INCLUDED FILE, SO THEY DON'T REALLY DO
-; ANYTHING AS IS.  THEY ARE LISTED HERE TO MAKE IT EASY FOR YOU TO ADJUST THE MOST COMMON
-; SETTINGS.
+; ROMWBW USES CASCADING CONFIGURATION FILES AS INDICATED BELOW:
 ;
-; N.B., SINCE THE SETTINGS BELOW ARE REDEFINING VALUES ALREADY SET IN THE INCLUDED FILE,
-; TASM INSISTS THAT YOU USE THE .SET OPERATOR AND NOT THE .EQU OPERATOR BELOW. ATTEMPTING
-; TO REDEFINE A VALUE WITH .EQU BELOW WILL CAUSE TASM ERRORS!
+; cfg_MASTER.asm			- MASTER: CONFIGURATION FILE DEFINES ALL POSSIBLE ROMWBW SETTINGS
+; |
+; +-> cfg_<platform>.asm		- PLATFORM: DEFAULT SETTINGS FOR SPECIFIC PLATFORM
+;     |
+;     +-> Config/<plt>_std.asm		- BUILD: SETTINGS FOR EACH OFFICIAL DIST BUILD
+;         |
+;         +-> Config/<plt>_<cust>.asm	- USER: CUSTOM USER BUILD SETTINGS
 ;
-; PLEASE REFER TO THE CUSTOM BUILD INSTRUCTIONS (README.TXT) IN THE SOURCE DIRECTORY (TWO
-; DIRECTORIES ABOVE THIS ONE).
+; THE TOP (MASTER CONFIGURATION) FILE DEFINES ALL POSSIBLE ROMWBW
+; CONFIGURATION SETTINGS. EACH FILE BELOW THE MASTER CONFIGURATION FILE
+; INHERITS THE CUMULATIVE SETTINGS OF THE FILES ABOVE IT AND MAY
+; OVERRIDE THESE SETTINGS AS DESIRED.
+;
+; OTHER THAN THE TOP MASTER FILE, EACH FILE MUST "#INCLUDE" ITS PARENT
+; FILE (SEE #INCLUDE STATEMENT BELOW).  THE TOP TWO FILES SHOULD NOT BE
+; MODIFIED.
+;
+; TO CUSTOMIZE YOUR BUILD SETTINGS YOU SHOULD MODIFY THIS FILE, THE
+; DEFAULT BUILD SETTINGS (Config/<platform>_std.asm) OR PREFERABLY
+; CREATE AN OPTIONAL CUSTOM USER SETTINGS FILE THAT INCLUDES THE DEFAULT
+; BUILD SETTINGS FILE (SEE EXAMPLE Config/SBC_user.asm).
+;
+; BY CREATING A CUSTOM USER SETTINGS FILE, YOU ARE LESS LIKELY TO BE
+; IMPACTED BY FUTURE CHANGES BECAUSE YOU WILL BE INHERITING MOST
+; OF YOUR SETTINGS WHICH WILL BE UPDATED BY AUTHORS AS ROMWBW EVOLVES.
+;
+; PLEASE REFER TO THE CUSTOM BUILD INSTRUCTIONS (README.TXT) IN THE
+; SOURCE DIRECTORY (TWO DIRECTORIES ABOVE THIS ONE).
+;
+; *** WARNING: ASIDE FROM THE MASTER CONFIGURATION FILE, YOU MUST USE
+; ".SET" TO OVERRIDE SETTINGS.  THE ASSEMBLER WILL ERROR IF YOU ATTEMPT
+; TO USE ".EQU" BECAUSE IT WON'T LET YOU REDEFINE A SETTING WITH ".EQU".
 ;
 #DEFINE	BOOT_DEFAULT	"H"		; DEFAULT BOOT LOADER CMD ON <CR> OR AUTO BOOT
 ;
-#include "cfg_n8.asm"
+#include "cfg_N8.asm"
 ;
 CPUOSC		.SET	18432000	; CPU OSC FREQ IN MHZ
 INTMODE		.SET	2		; INTERRUPTS: 0=NONE, 1=MODE 1, 2=MODE 2

Source/HBIOS/Config/NABU_std.asm

@@ -1,32 +1,52 @@
 ;
 ;==================================================================================================
-;   NABU Z80 STANDARD CONFIGURATION
+;   ROMWBW DEFAULT BUILD SETTINGS FOR NABU Z80
 ;==================================================================================================
 ;
-; THE COMPLETE SET OF DEFAULT CONFIGURATION SETTINGS FOR THIS PLATFORM ARE FOUND IN THE
-; CFG_<PLT>.ASM INCLUDED FILE WHICH IS FOUND IN THE PARENT DIRECTORY.  THIS FILE CONTAINS
-; COMMON CONFIGURATION SETTINGS THAT OVERRIDE THE DEFAULTS.  IT IS INTENDED THAT YOU MAKE
-; YOUR CUSTOMIZATIONS IN THIS FILE AND JUST INHERIT ALL OTHER SETTINGS FROM THE DEFAULTS.
-; EVEN BETTER, YOU CAN MAKE A COPY OF THIS FILE WITH A NAME LIKE <PLT>_XXX.ASM AND SPECIFY
-; YOUR FILE IN THE BUILD PROCESS.
+; THIS FILE DEFINES THE DEFAULT CONFIGURATION SETTINGS FOR THE PLATFORM
+; INDICATED ABOVE.  THESE SETTINGS DEFINE THE OFFICIAL BUILD FOR THIS
+; PLATFORM AS DISTRIBUTED IN ROMWBW RELEASES.
 ;
-; THE SETTINGS BELOW ARE THE SETTINGS THAT ARE MOST COMMONLY MODIFIED FOR THIS PLATFORM.
-; MANY OF THEM ARE EQUAL TO THE SETTINGS IN THE INCLUDED FILE, SO THEY DON'T REALLY DO
-; ANYTHING AS IS.  THEY ARE LISTED HERE TO MAKE IT EASY FOR YOU TO ADJUST THE MOST COMMON
-; SETTINGS.
+; ROMWBW USES CASCADING CONFIGURATION FILES AS INDICATED BELOW:
 ;
-; N.B., SINCE THE SETTINGS BELOW ARE REDEFINING VALUES ALREADY SET IN THE INCLUDED FILE,
-; TASM INSISTS THAT YOU USE THE .SET OPERATOR AND NOT THE .EQU OPERATOR BELOW. ATTEMPTING
-; TO REDEFINE A VALUE WITH .EQU BELOW WILL CAUSE TASM ERRORS!
+; cfg_MASTER.asm			- MASTER: CONFIGURATION FILE DEFINES ALL POSSIBLE ROMWBW SETTINGS
+; |
+; +-> cfg_<platform>.asm		- PLATFORM: DEFAULT SETTINGS FOR SPECIFIC PLATFORM
+;     |
+;     +-> Config/<plt>_std.asm		- BUILD: SETTINGS FOR EACH OFFICIAL DIST BUILD
+;         |
+;         +-> Config/<plt>_<cust>.asm	- USER: CUSTOM USER BUILD SETTINGS
 ;
-; PLEASE REFER TO THE CUSTOM BUILD INSTRUCTIONS (README.TXT) IN THE SOURCE DIRECTORY (TWO
-; DIRECTORIES ABOVE THIS ONE).
+; THE TOP (MASTER CONFIGURATION) FILE DEFINES ALL POSSIBLE ROMWBW
+; CONFIGURATION SETTINGS. EACH FILE BELOW THE MASTER CONFIGURATION FILE
+; INHERITS THE CUMULATIVE SETTINGS OF THE FILES ABOVE IT AND MAY
+; OVERRIDE THESE SETTINGS AS DESIRED.
+;
+; OTHER THAN THE TOP MASTER FILE, EACH FILE MUST "#INCLUDE" ITS PARENT
+; FILE (SEE #INCLUDE STATEMENT BELOW).  THE TOP TWO FILES SHOULD NOT BE
+; MODIFIED.
+;
+; TO CUSTOMIZE YOUR BUILD SETTINGS YOU SHOULD MODIFY THIS FILE, THE
+; DEFAULT BUILD SETTINGS (Config/<platform>_std.asm) OR PREFERABLY
+; CREATE AN OPTIONAL CUSTOM USER SETTINGS FILE THAT INCLUDES THE DEFAULT
+; BUILD SETTINGS FILE (SEE EXAMPLE Config/SBC_user.asm).
+;
+; BY CREATING A CUSTOM USER SETTINGS FILE, YOU ARE LESS LIKELY TO BE
+; IMPACTED BY FUTURE CHANGES BECAUSE YOU WILL BE INHERITING MOST
+; OF YOUR SETTINGS WHICH WILL BE UPDATED BY AUTHORS AS ROMWBW EVOLVES.
+;
+; PLEASE REFER TO THE CUSTOM BUILD INSTRUCTIONS (README.TXT) IN THE
+; SOURCE DIRECTORY (TWO DIRECTORIES ABOVE THIS ONE).
+;
+; *** WARNING: ASIDE FROM THE MASTER CONFIGURATION FILE, YOU MUST USE
+; ".SET" TO OVERRIDE SETTINGS.  THE ASSEMBLER WILL ERROR IF YOU ATTEMPT
+; TO USE ".EQU" BECAUSE IT WON'T LET YOU REDEFINE A SETTING WITH ".EQU".
 ;
 #DEFINE	BOOT_DEFAULT	"H"		; DEFAULT BOOT LOADER CMD ON <CR> OR AUTO BOOT
 ;
-#include "cfg_nabu.asm"
+#include "cfg_NABU.asm"
 ;
 CRTACT		.SET	TRUE		; ACTIVATE CRT (VDU,CVDU,PROPIO,ETC) AT STARTUP
 ;
-TMSMODE		.SET	TMSMODE_NABU80	; TMS: DRIVER MODE: TMSMODE_[SCG|N8|MBC|MSX|MSX9958|MSXKBD|COLECO|DUO|NABU40|NABU80]
+TMS80COLS	.SET	TRUE	; TMS: DRIVER MODE: TMSMODE_[SCG|N8|MBC|MSX|MSX9958|MSXKBD|COLECO|DUO|NABU40|NABU80]
 

Source/HBIOS/Config/RCZ180_ext_std.asm

@@ -1,30 +1,50 @@
 ;
 ;==================================================================================================
-;   RCBUS Z180 STANDARD CONFIGURATION (EXTERNAL MMU ON 512K RAM/ROM BANKED MEMORY MODULE)
+;   ROMWBW DEFAULT BUILD SETTINGS FOR RCBUS Z180 W/ EXTERNAL Z2 MMU
 ;==================================================================================================
 ;
-; THE COMPLETE SET OF DEFAULT CONFIGURATION SETTINGS FOR THIS PLATFORM ARE FOUND IN THE
-; CFG_<PLT>.ASM INCLUDED FILE WHICH IS FOUND IN THE PARENT DIRECTORY.  THIS FILE CONTAINS
-; COMMON CONFIGURATION SETTINGS THAT OVERRIDE THE DEFAULTS.  IT IS INTENDED THAT YOU MAKE
-; YOUR CUSTOMIZATIONS IN THIS FILE AND JUST INHERIT ALL OTHER SETTINGS FROM THE DEFAULTS.
-; EVEN BETTER, YOU CAN MAKE A COPY OF THIS FILE WITH A NAME LIKE <PLT>_XXX.ASM AND SPECIFY
-; YOUR FILE IN THE BUILD PROCESS.
+; THIS FILE DEFINES THE DEFAULT CONFIGURATION SETTINGS FOR THE PLATFORM
+; INDICATED ABOVE.  THESE SETTINGS DEFINE THE OFFICIAL BUILD FOR THIS
+; PLATFORM AS DISTRIBUTED IN ROMWBW RELEASES.
 ;
-; THE SETTINGS BELOW ARE THE SETTINGS THAT ARE MOST COMMONLY MODIFIED FOR THIS PLATFORM.
-; MANY OF THEM ARE EQUAL TO THE SETTINGS IN THE INCLUDED FILE, SO THEY DON'T REALLY DO
-; ANYTHING AS IS.  THEY ARE LISTED HERE TO MAKE IT EASY FOR YOU TO ADJUST THE MOST COMMON
-; SETTINGS.
+; ROMWBW USES CASCADING CONFIGURATION FILES AS INDICATED BELOW:
 ;
-; N.B., SINCE THE SETTINGS BELOW ARE REDEFINING VALUES ALREADY SET IN THE INCLUDED FILE,
-; TASM INSISTS THAT YOU USE THE .SET OPERATOR AND NOT THE .EQU OPERATOR BELOW. ATTEMPTING
-; TO REDEFINE A VALUE WITH .EQU BELOW WILL CAUSE TASM ERRORS!
+; cfg_MASTER.asm			- MASTER: CONFIGURATION FILE DEFINES ALL POSSIBLE ROMWBW SETTINGS
+; |
+; +-> cfg_<platform>.asm		- PLATFORM: DEFAULT SETTINGS FOR SPECIFIC PLATFORM
+;     |
+;     +-> Config/<plt>_std.asm		- BUILD: SETTINGS FOR EACH OFFICIAL DIST BUILD
+;         |
+;         +-> Config/<plt>_<cust>.asm	- USER: CUSTOM USER BUILD SETTINGS
 ;
-; PLEASE REFER TO THE CUSTOM BUILD INSTRUCTIONS (README.TXT) IN THE SOURCE DIRECTORY (TWO
-; DIRECTORIES ABOVE THIS ONE).
+; THE TOP (MASTER CONFIGURATION) FILE DEFINES ALL POSSIBLE ROMWBW
+; CONFIGURATION SETTINGS. EACH FILE BELOW THE MASTER CONFIGURATION FILE
+; INHERITS THE CUMULATIVE SETTINGS OF THE FILES ABOVE IT AND MAY
+; OVERRIDE THESE SETTINGS AS DESIRED.
+;
+; OTHER THAN THE TOP MASTER FILE, EACH FILE MUST "#INCLUDE" ITS PARENT
+; FILE (SEE #INCLUDE STATEMENT BELOW).  THE TOP TWO FILES SHOULD NOT BE
+; MODIFIED.
+;
+; TO CUSTOMIZE YOUR BUILD SETTINGS YOU SHOULD MODIFY THIS FILE, THE
+; DEFAULT BUILD SETTINGS (Config/<platform>_std.asm) OR PREFERABLY
+; CREATE AN OPTIONAL CUSTOM USER SETTINGS FILE THAT INCLUDES THE DEFAULT
+; BUILD SETTINGS FILE (SEE EXAMPLE Config/SBC_user.asm).
+;
+; BY CREATING A CUSTOM USER SETTINGS FILE, YOU ARE LESS LIKELY TO BE
+; IMPACTED BY FUTURE CHANGES BECAUSE YOU WILL BE INHERITING MOST
+; OF YOUR SETTINGS WHICH WILL BE UPDATED BY AUTHORS AS ROMWBW EVOLVES.
+;
+; PLEASE REFER TO THE CUSTOM BUILD INSTRUCTIONS (README.TXT) IN THE
+; SOURCE DIRECTORY (TWO DIRECTORIES ABOVE THIS ONE).
+;
+; *** WARNING: ASIDE FROM THE MASTER CONFIGURATION FILE, YOU MUST USE
+; ".SET" TO OVERRIDE SETTINGS.  THE ASSEMBLER WILL ERROR IF YOU ATTEMPT
+; TO USE ".EQU" BECAUSE IT WON'T LET YOU REDEFINE A SETTING WITH ".EQU".
 ;
 #DEFINE	BOOT_DEFAULT	"H"		; DEFAULT BOOT LOADER CMD ON <CR> OR AUTO BOOT
 ;
-#include "cfg_rcz180.asm"
+#include "cfg_RCZ180.asm"
 ;
 CPUOSC		.SET	18432000	; CPU OSC FREQ IN MHZ
 CRTACT		.SET	FALSE		; ACTIVATE CRT (VDU,CVDU,PROPIO,ETC) AT STARTUP

Source/HBIOS/Config/RCZ180_nat_std.asm

@@ -1,30 +1,50 @@
 ;
 ;==================================================================================================
-;   RCBUS Z180 STANDARD CONFIGURATION (NATIVE Z180 MMU W/ LINEAR MEMORY MODULE)
+;   ROMWBW DEFAULT BUILD SETTINGS FOR RCBUS Z180 W/ NATIVE Z180 MMU
 ;==================================================================================================
 ;
-; THE COMPLETE SET OF DEFAULT CONFIGURATION SETTINGS FOR THIS PLATFORM ARE FOUND IN THE
-; CFG_<PLT>.ASM INCLUDED FILE WHICH IS FOUND IN THE PARENT DIRECTORY.  THIS FILE CONTAINS
-; COMMON CONFIGURATION SETTINGS THAT OVERRIDE THE DEFAULTS.  IT IS INTENDED THAT YOU MAKE
-; YOUR CUSTOMIZATIONS IN THIS FILE AND JUST INHERIT ALL OTHER SETTINGS FROM THE DEFAULTS.
-; EVEN BETTER, YOU CAN MAKE A COPY OF THIS FILE WITH A NAME LIKE <PLT>_XXX.ASM AND SPECIFY
-; YOUR FILE IN THE BUILD PROCESS.
+; THIS FILE DEFINES THE DEFAULT CONFIGURATION SETTINGS FOR THE PLATFORM
+; INDICATED ABOVE.  THESE SETTINGS DEFINE THE OFFICIAL BUILD FOR THIS
+; PLATFORM AS DISTRIBUTED IN ROMWBW RELEASES.
 ;
-; THE SETTINGS BELOW ARE THE SETTINGS THAT ARE MOST COMMONLY MODIFIED FOR THIS PLATFORM.
-; MANY OF THEM ARE EQUAL TO THE SETTINGS IN THE INCLUDED FILE, SO THEY DON'T REALLY DO
-; ANYTHING AS IS.  THEY ARE LISTED HERE TO MAKE IT EASY FOR YOU TO ADJUST THE MOST COMMON
-; SETTINGS.
+; ROMWBW USES CASCADING CONFIGURATION FILES AS INDICATED BELOW:
 ;
-; N.B., SINCE THE SETTINGS BELOW ARE REDEFINING VALUES ALREADY SET IN THE INCLUDED FILE,
-; TASM INSISTS THAT YOU USE THE .SET OPERATOR AND NOT THE .EQU OPERATOR BELOW. ATTEMPTING
-; TO REDEFINE A VALUE WITH .EQU BELOW WILL CAUSE TASM ERRORS!
+; cfg_MASTER.asm			- MASTER: CONFIGURATION FILE DEFINES ALL POSSIBLE ROMWBW SETTINGS
+; |
+; +-> cfg_<platform>.asm		- PLATFORM: DEFAULT SETTINGS FOR SPECIFIC PLATFORM
+;     |
+;     +-> Config/<plt>_std.asm		- BUILD: SETTINGS FOR EACH OFFICIAL DIST BUILD
+;         |
+;         +-> Config/<plt>_<cust>.asm	- USER: CUSTOM USER BUILD SETTINGS
 ;
-; PLEASE REFER TO THE CUSTOM BUILD INSTRUCTIONS (README.TXT) IN THE SOURCE DIRECTORY (TWO
-; DIRECTORIES ABOVE THIS ONE).
+; THE TOP (MASTER CONFIGURATION) FILE DEFINES ALL POSSIBLE ROMWBW
+; CONFIGURATION SETTINGS. EACH FILE BELOW THE MASTER CONFIGURATION FILE
+; INHERITS THE CUMULATIVE SETTINGS OF THE FILES ABOVE IT AND MAY
+; OVERRIDE THESE SETTINGS AS DESIRED.
+;
+; OTHER THAN THE TOP MASTER FILE, EACH FILE MUST "#INCLUDE" ITS PARENT
+; FILE (SEE #INCLUDE STATEMENT BELOW).  THE TOP TWO FILES SHOULD NOT BE
+; MODIFIED.
+;
+; TO CUSTOMIZE YOUR BUILD SETTINGS YOU SHOULD MODIFY THIS FILE, THE
+; DEFAULT BUILD SETTINGS (Config/<platform>_std.asm) OR PREFERABLY
+; CREATE AN OPTIONAL CUSTOM USER SETTINGS FILE THAT INCLUDES THE DEFAULT
+; BUILD SETTINGS FILE (SEE EXAMPLE Config/SBC_user.asm).
+;
+; BY CREATING A CUSTOM USER SETTINGS FILE, YOU ARE LESS LIKELY TO BE
+; IMPACTED BY FUTURE CHANGES BECAUSE YOU WILL BE INHERITING MOST
+; OF YOUR SETTINGS WHICH WILL BE UPDATED BY AUTHORS AS ROMWBW EVOLVES.
+;
+; PLEASE REFER TO THE CUSTOM BUILD INSTRUCTIONS (README.TXT) IN THE
+; SOURCE DIRECTORY (TWO DIRECTORIES ABOVE THIS ONE).
+;
+; *** WARNING: ASIDE FROM THE MASTER CONFIGURATION FILE, YOU MUST USE
+; ".SET" TO OVERRIDE SETTINGS.  THE ASSEMBLER WILL ERROR IF YOU ATTEMPT
+; TO USE ".EQU" BECAUSE IT WON'T LET YOU REDEFINE A SETTING WITH ".EQU".
 ;
 #DEFINE	BOOT_DEFAULT	"H"		; DEFAULT BOOT LOADER CMD ON <CR> OR AUTO BOOT
 ;
-#include "cfg_rcz180.asm"
+#include "cfg_RCZ180.asm"
 ;
 CPUOSC		.SET	18432000	; CPU OSC FREQ IN MHZ
 CRTACT		.SET	FALSE		; ACTIVATE CRT (VDU,CVDU,PROPIO,ETC) AT STARTUP

Source/HBIOS/Config/RCZ180_z1rcc_std.asm

@@ -1,32 +1,52 @@
 ;
 ;==================================================================================================
-;   RCBUS Z180 Z1RCC CONFIGURATION (ROMLESS)
+;   ROMWBW DEFAULT BUILD SETTINGS FOR RCBUS Z180 ROMLESS Z1RCC
 ;==================================================================================================
 ;
-; THE COMPLETE SET OF DEFAULT CONFIGURATION SETTINGS FOR THIS PLATFORM ARE FOUND IN THE
-; CFG_<PLT>.ASM INCLUDED FILE WHICH IS FOUND IN THE PARENT DIRECTORY.  THIS FILE CONTAINS
-; COMMON CONFIGURATION SETTINGS THAT OVERRIDE THE DEFAULTS.  IT IS INTENDED THAT YOU MAKE
-; YOUR CUSTOMIZATIONS IN THIS FILE AND JUST INHERIT ALL OTHER SETTINGS FROM THE DEFAULTS.
-; EVEN BETTER, YOU CAN MAKE A COPY OF THIS FILE WITH A NAME LIKE <PLT>_XXX.ASM AND SPECIFY
-; YOUR FILE IN THE BUILD PROCESS.
+; THIS FILE DEFINES THE DEFAULT CONFIGURATION SETTINGS FOR THE PLATFORM
+; INDICATED ABOVE.  THESE SETTINGS DEFINE THE OFFICIAL BUILD FOR THIS
+; PLATFORM AS DISTRIBUTED IN ROMWBW RELEASES.
 ;
-; THE SETTINGS BELOW ARE THE SETTINGS THAT ARE MOST COMMONLY MODIFIED FOR THIS PLATFORM.
-; MANY OF THEM ARE EQUAL TO THE SETTINGS IN THE INCLUDED FILE, SO THEY DON'T REALLY DO
-; ANYTHING AS IS.  THEY ARE LISTED HERE TO MAKE IT EASY FOR YOU TO ADJUST THE MOST COMMON
-; SETTINGS.
+; ROMWBW USES CASCADING CONFIGURATION FILES AS INDICATED BELOW:
 ;
-; N.B., SINCE THE SETTINGS BELOW ARE REDEFINING VALUES ALREADY SET IN THE INCLUDED FILE,
-; TASM INSISTS THAT YOU USE THE .SET OPERATOR AND NOT THE .EQU OPERATOR BELOW. ATTEMPTING
-; TO REDEFINE A VALUE WITH .EQU BELOW WILL CAUSE TASM ERRORS!
+; cfg_MASTER.asm			- MASTER: CONFIGURATION FILE DEFINES ALL POSSIBLE ROMWBW SETTINGS
+; |
+; +-> cfg_<platform>.asm		- PLATFORM: DEFAULT SETTINGS FOR SPECIFIC PLATFORM
+;     |
+;     +-> Config/<plt>_std.asm		- BUILD: SETTINGS FOR EACH OFFICIAL DIST BUILD
+;         |
+;         +-> Config/<plt>_<cust>.asm	- USER: CUSTOM USER BUILD SETTINGS
 ;
-; PLEASE REFER TO THE CUSTOM BUILD INSTRUCTIONS (README.TXT) IN THE SOURCE DIRECTORY (TWO
-; DIRECTORIES ABOVE THIS ONE).
+; THE TOP (MASTER CONFIGURATION) FILE DEFINES ALL POSSIBLE ROMWBW
+; CONFIGURATION SETTINGS. EACH FILE BELOW THE MASTER CONFIGURATION FILE
+; INHERITS THE CUMULATIVE SETTINGS OF THE FILES ABOVE IT AND MAY
+; OVERRIDE THESE SETTINGS AS DESIRED.
+;
+; OTHER THAN THE TOP MASTER FILE, EACH FILE MUST "#INCLUDE" ITS PARENT
+; FILE (SEE #INCLUDE STATEMENT BELOW).  THE TOP TWO FILES SHOULD NOT BE
+; MODIFIED.
+;
+; TO CUSTOMIZE YOUR BUILD SETTINGS YOU SHOULD MODIFY THIS FILE, THE
+; DEFAULT BUILD SETTINGS (Config/<platform>_std.asm) OR PREFERABLY
+; CREATE AN OPTIONAL CUSTOM USER SETTINGS FILE THAT INCLUDES THE DEFAULT
+; BUILD SETTINGS FILE (SEE EXAMPLE Config/SBC_user.asm).
+;
+; BY CREATING A CUSTOM USER SETTINGS FILE, YOU ARE LESS LIKELY TO BE
+; IMPACTED BY FUTURE CHANGES BECAUSE YOU WILL BE INHERITING MOST
+; OF YOUR SETTINGS WHICH WILL BE UPDATED BY AUTHORS AS ROMWBW EVOLVES.
+;
+; PLEASE REFER TO THE CUSTOM BUILD INSTRUCTIONS (README.TXT) IN THE
+; SOURCE DIRECTORY (TWO DIRECTORIES ABOVE THIS ONE).
+;
+; *** WARNING: ASIDE FROM THE MASTER CONFIGURATION FILE, YOU MUST USE
+; ".SET" TO OVERRIDE SETTINGS.  THE ASSEMBLER WILL ERROR IF YOU ATTEMPT
+; TO USE ".EQU" BECAUSE IT WON'T LET YOU REDEFINE A SETTING WITH ".EQU".
 ;
 #DEFINE PLATFORM_NAME "Z1RCC", " [", CONFIG, "]"
 ;
 #DEFINE	BOOT_DEFAULT	"H"		; DEFAULT BOOT LOADER CMD ON <CR> OR AUTO BOOT
 ;
-#include "cfg_rcz180.asm"
+#include "cfg_RCZ180.asm"
 ;
 CPUOSC		.SET	18432000	; CPU OSC FREQ IN MHZ
 CRTACT		.SET	FALSE		; ACTIVATE CRT (VDU,CVDU,PROPIO,ETC) AT STARTUP

Source/HBIOS/Config/RCZ280_ext_std.asm

@@ -1,30 +1,50 @@
 ;
 ;==================================================================================================
-;   RCBUS Z280 STANDARD CONFIGURATION (EXTERNAL MMU ON 512K RAM/ROM BANKED MEMORY MODULE)
+;   ROMWBW DEFAULT BUILD SETTINGS FOR RCBUS Z280 W/ EXTERNAL Z2 MMU
 ;==================================================================================================
 ;
-; THE COMPLETE SET OF DEFAULT CONFIGURATION SETTINGS FOR THIS PLATFORM ARE FOUND IN THE
-; CFG_<PLT>.ASM INCLUDED FILE WHICH IS FOUND IN THE PARENT DIRECTORY.  THIS FILE CONTAINS
-; COMMON CONFIGURATION SETTINGS THAT OVERRIDE THE DEFAULTS.  IT IS INTENDED THAT YOU MAKE
-; YOUR CUSTOMIZATIONS IN THIS FILE AND JUST INHERIT ALL OTHER SETTINGS FROM THE DEFAULTS.
-; EVEN BETTER, YOU CAN MAKE A COPY OF THIS FILE WITH A NAME LIKE <PLT>_XXX.ASM AND SPECIFY
-; YOUR FILE IN THE BUILD PROCESS.
+; THIS FILE DEFINES THE DEFAULT CONFIGURATION SETTINGS FOR THE PLATFORM
+; INDICATED ABOVE.  THESE SETTINGS DEFINE THE OFFICIAL BUILD FOR THIS
+; PLATFORM AS DISTRIBUTED IN ROMWBW RELEASES.
 ;
-; THE SETTINGS BELOW ARE THE SETTINGS THAT ARE MOST COMMONLY MODIFIED FOR THIS PLATFORM.
-; MANY OF THEM ARE EQUAL TO THE SETTINGS IN THE INCLUDED FILE, SO THEY DON'T REALLY DO
-; ANYTHING AS IS.  THEY ARE LISTED HERE TO MAKE IT EASY FOR YOU TO ADJUST THE MOST COMMON
-; SETTINGS.
+; ROMWBW USES CASCADING CONFIGURATION FILES AS INDICATED BELOW:
 ;
-; N.B., SINCE THE SETTINGS BELOW ARE REDEFINING VALUES ALREADY SET IN THE INCLUDED FILE,
-; TASM INSISTS THAT YOU USE THE .SET OPERATOR AND NOT THE .EQU OPERATOR BELOW. ATTEMPTING
-; TO REDEFINE A VALUE WITH .EQU BELOW WILL CAUSE TASM ERRORS!
+; cfg_MASTER.asm			- MASTER: CONFIGURATION FILE DEFINES ALL POSSIBLE ROMWBW SETTINGS
+; |
+; +-> cfg_<platform>.asm		- PLATFORM: DEFAULT SETTINGS FOR SPECIFIC PLATFORM
+;     |
+;     +-> Config/<plt>_std.asm		- BUILD: SETTINGS FOR EACH OFFICIAL DIST BUILD
+;         |
+;         +-> Config/<plt>_<cust>.asm	- USER: CUSTOM USER BUILD SETTINGS
 ;
-; PLEASE REFER TO THE CUSTOM BUILD INSTRUCTIONS (README.TXT) IN THE SOURCE DIRECTORY (TWO
-; DIRECTORIES ABOVE THIS ONE).
+; THE TOP (MASTER CONFIGURATION) FILE DEFINES ALL POSSIBLE ROMWBW
+; CONFIGURATION SETTINGS. EACH FILE BELOW THE MASTER CONFIGURATION FILE
+; INHERITS THE CUMULATIVE SETTINGS OF THE FILES ABOVE IT AND MAY
+; OVERRIDE THESE SETTINGS AS DESIRED.
+;
+; OTHER THAN THE TOP MASTER FILE, EACH FILE MUST "#INCLUDE" ITS PARENT
+; FILE (SEE #INCLUDE STATEMENT BELOW).  THE TOP TWO FILES SHOULD NOT BE
+; MODIFIED.
+;
+; TO CUSTOMIZE YOUR BUILD SETTINGS YOU SHOULD MODIFY THIS FILE, THE
+; DEFAULT BUILD SETTINGS (Config/<platform>_std.asm) OR PREFERABLY
+; CREATE AN OPTIONAL CUSTOM USER SETTINGS FILE THAT INCLUDES THE DEFAULT
+; BUILD SETTINGS FILE (SEE EXAMPLE Config/SBC_user.asm).
+;
+; BY CREATING A CUSTOM USER SETTINGS FILE, YOU ARE LESS LIKELY TO BE
+; IMPACTED BY FUTURE CHANGES BECAUSE YOU WILL BE INHERITING MOST
+; OF YOUR SETTINGS WHICH WILL BE UPDATED BY AUTHORS AS ROMWBW EVOLVES.
+;
+; PLEASE REFER TO THE CUSTOM BUILD INSTRUCTIONS (README.TXT) IN THE
+; SOURCE DIRECTORY (TWO DIRECTORIES ABOVE THIS ONE).
+;
+; *** WARNING: ASIDE FROM THE MASTER CONFIGURATION FILE, YOU MUST USE
+; ".SET" TO OVERRIDE SETTINGS.  THE ASSEMBLER WILL ERROR IF YOU ATTEMPT
+; TO USE ".EQU" BECAUSE IT WON'T LET YOU REDEFINE A SETTING WITH ".EQU".
 ;
 #DEFINE	BOOT_DEFAULT	"H"		; DEFAULT BOOT LOADER CMD ON <CR> OR AUTO BOOT
 ;
-#include "cfg_rcz280.asm"
+#include "cfg_RCZ280.asm"
 ;
 CPUOSC		.SET	24000000	; CPU OSC FREQ IN MHZ
 INTMODE		.SET	1		; INTERRUPTS: 0=NONE, 1=MODE 1, 2=MODE 2

Source/HBIOS/Config/RCZ280_nat_std.asm

@@ -1,30 +1,50 @@
 ;
 ;==================================================================================================
-;   RCBUS Z280 STANDARD CONFIGURATION (NATIVE Z280 MMU W/ LINEAR MEMORY)
+;   ROMWBW DEFAULT BUILD SETTINGS FOR RCBUS Z280 W/ NATIVE Z280 MMU
 ;==================================================================================================
 ;
-; THE COMPLETE SET OF DEFAULT CONFIGURATION SETTINGS FOR THIS PLATFORM ARE FOUND IN THE
-; CFG_<PLT>.ASM INCLUDED FILE WHICH IS FOUND IN THE PARENT DIRECTORY.  THIS FILE CONTAINS
-; COMMON CONFIGURATION SETTINGS THAT OVERRIDE THE DEFAULTS.  IT IS INTENDED THAT YOU MAKE
-; YOUR CUSTOMIZATIONS IN THIS FILE AND JUST INHERIT ALL OTHER SETTINGS FROM THE DEFAULTS.
-; EVEN BETTER, YOU CAN MAKE A COPY OF THIS FILE WITH A NAME LIKE <PLT>_XXX.ASM AND SPECIFY
-; YOUR FILE IN THE BUILD PROCESS.
+; THIS FILE DEFINES THE DEFAULT CONFIGURATION SETTINGS FOR THE PLATFORM
+; INDICATED ABOVE.  THESE SETTINGS DEFINE THE OFFICIAL BUILD FOR THIS
+; PLATFORM AS DISTRIBUTED IN ROMWBW RELEASES.
 ;
-; THE SETTINGS BELOW ARE THE SETTINGS THAT ARE MOST COMMONLY MODIFIED FOR THIS PLATFORM.
-; MANY OF THEM ARE EQUAL TO THE SETTINGS IN THE INCLUDED FILE, SO THEY DON'T REALLY DO
-; ANYTHING AS IS.  THEY ARE LISTED HERE TO MAKE IT EASY FOR YOU TO ADJUST THE MOST COMMON
-; SETTINGS.
+; ROMWBW USES CASCADING CONFIGURATION FILES AS INDICATED BELOW:
 ;
-; N.B., SINCE THE SETTINGS BELOW ARE REDEFINING VALUES ALREADY SET IN THE INCLUDED FILE,
-; TASM INSISTS THAT YOU USE THE .SET OPERATOR AND NOT THE .EQU OPERATOR BELOW. ATTEMPTING
-; TO REDEFINE A VALUE WITH .EQU BELOW WILL CAUSE TASM ERRORS!
+; cfg_MASTER.asm			- MASTER: CONFIGURATION FILE DEFINES ALL POSSIBLE ROMWBW SETTINGS
+; |
+; +-> cfg_<platform>.asm		- PLATFORM: DEFAULT SETTINGS FOR SPECIFIC PLATFORM
+;     |
+;     +-> Config/<plt>_std.asm		- BUILD: SETTINGS FOR EACH OFFICIAL DIST BUILD
+;         |
+;         +-> Config/<plt>_<cust>.asm	- USER: CUSTOM USER BUILD SETTINGS
 ;
-; PLEASE REFER TO THE CUSTOM BUILD INSTRUCTIONS (README.TXT) IN THE SOURCE DIRECTORY (TWO
-; DIRECTORIES ABOVE THIS ONE).
+; THE TOP (MASTER CONFIGURATION) FILE DEFINES ALL POSSIBLE ROMWBW
+; CONFIGURATION SETTINGS. EACH FILE BELOW THE MASTER CONFIGURATION FILE
+; INHERITS THE CUMULATIVE SETTINGS OF THE FILES ABOVE IT AND MAY
+; OVERRIDE THESE SETTINGS AS DESIRED.
+;
+; OTHER THAN THE TOP MASTER FILE, EACH FILE MUST "#INCLUDE" ITS PARENT
+; FILE (SEE #INCLUDE STATEMENT BELOW).  THE TOP TWO FILES SHOULD NOT BE
+; MODIFIED.
+;
+; TO CUSTOMIZE YOUR BUILD SETTINGS YOU SHOULD MODIFY THIS FILE, THE
+; DEFAULT BUILD SETTINGS (Config/<platform>_std.asm) OR PREFERABLY
+; CREATE AN OPTIONAL CUSTOM USER SETTINGS FILE THAT INCLUDES THE DEFAULT
+; BUILD SETTINGS FILE (SEE EXAMPLE Config/SBC_user.asm).
+;
+; BY CREATING A CUSTOM USER SETTINGS FILE, YOU ARE LESS LIKELY TO BE
+; IMPACTED BY FUTURE CHANGES BECAUSE YOU WILL BE INHERITING MOST
+; OF YOUR SETTINGS WHICH WILL BE UPDATED BY AUTHORS AS ROMWBW EVOLVES.
+;
+; PLEASE REFER TO THE CUSTOM BUILD INSTRUCTIONS (README.TXT) IN THE
+; SOURCE DIRECTORY (TWO DIRECTORIES ABOVE THIS ONE).
+;
+; *** WARNING: ASIDE FROM THE MASTER CONFIGURATION FILE, YOU MUST USE
+; ".SET" TO OVERRIDE SETTINGS.  THE ASSEMBLER WILL ERROR IF YOU ATTEMPT
+; TO USE ".EQU" BECAUSE IT WON'T LET YOU REDEFINE A SETTING WITH ".EQU".
 ;
 #DEFINE	BOOT_DEFAULT	"H"		; DEFAULT BOOT LOADER CMD ON <CR> OR AUTO BOOT
 ;
-#include "cfg_rcz280.asm"
+#include "cfg_RCZ280.asm"
 ;
 CPUOSC		.SET	24000000	; CPU OSC FREQ IN MHZ
 INTMODE		.SET	3		; INTERRUPTS: 0=NONE, 1=MODE 1, 2=MODE 2

Source/HBIOS/Config/RCZ280_zz80mb_std.asm

@@ -1,32 +1,52 @@
 ;
 ;==================================================================================================
-;   RCBUS Z280 STANDARD CONFIGURATION (NATIVE Z280 MMU W/ LINEAR MEMORY ON ZZ80MB)
+;   ROMWBW DEFAULT BUILD SETTINGS FOR RCBUS ZZ80MB Z280 W/ NATIVE Z280 MMU
 ;==================================================================================================
 ;
-; THE COMPLETE SET OF DEFAULT CONFIGURATION SETTINGS FOR THIS PLATFORM ARE FOUND IN THE
-; CFG_<PLT>.ASM INCLUDED FILE WHICH IS FOUND IN THE PARENT DIRECTORY.  THIS FILE CONTAINS
-; COMMON CONFIGURATION SETTINGS THAT OVERRIDE THE DEFAULTS.  IT IS INTENDED THAT YOU MAKE
-; YOUR CUSTOMIZATIONS IN THIS FILE AND JUST INHERIT ALL OTHER SETTINGS FROM THE DEFAULTS.
-; EVEN BETTER, YOU CAN MAKE A COPY OF THIS FILE WITH A NAME LIKE <PLT>_XXX.ASM AND SPECIFY
-; YOUR FILE IN THE BUILD PROCESS.
+; THIS FILE DEFINES THE DEFAULT CONFIGURATION SETTINGS FOR THE PLATFORM
+; INDICATED ABOVE.  THESE SETTINGS DEFINE THE OFFICIAL BUILD FOR THIS
+; PLATFORM AS DISTRIBUTED IN ROMWBW RELEASES.
 ;
-; THE SETTINGS BELOW ARE THE SETTINGS THAT ARE MOST COMMONLY MODIFIED FOR THIS PLATFORM.
-; MANY OF THEM ARE EQUAL TO THE SETTINGS IN THE INCLUDED FILE, SO THEY DON'T REALLY DO
-; ANYTHING AS IS.  THEY ARE LISTED HERE TO MAKE IT EASY FOR YOU TO ADJUST THE MOST COMMON
-; SETTINGS.
+; ROMWBW USES CASCADING CONFIGURATION FILES AS INDICATED BELOW:
 ;
-; N.B., SINCE THE SETTINGS BELOW ARE REDEFINING VALUES ALREADY SET IN THE INCLUDED FILE,
-; TASM INSISTS THAT YOU USE THE .SET OPERATOR AND NOT THE .EQU OPERATOR BELOW. ATTEMPTING
-; TO REDEFINE A VALUE WITH .EQU BELOW WILL CAUSE TASM ERRORS!
+; cfg_MASTER.asm			- MASTER: CONFIGURATION FILE DEFINES ALL POSSIBLE ROMWBW SETTINGS
+; |
+; +-> cfg_<platform>.asm		- PLATFORM: DEFAULT SETTINGS FOR SPECIFIC PLATFORM
+;     |
+;     +-> Config/<plt>_std.asm		- BUILD: SETTINGS FOR EACH OFFICIAL DIST BUILD
+;         |
+;         +-> Config/<plt>_<cust>.asm	- USER: CUSTOM USER BUILD SETTINGS
 ;
-; PLEASE REFER TO THE CUSTOM BUILD INSTRUCTIONS (README.TXT) IN THE SOURCE DIRECTORY (TWO
-; DIRECTORIES ABOVE THIS ONE).
+; THE TOP (MASTER CONFIGURATION) FILE DEFINES ALL POSSIBLE ROMWBW
+; CONFIGURATION SETTINGS. EACH FILE BELOW THE MASTER CONFIGURATION FILE
+; INHERITS THE CUMULATIVE SETTINGS OF THE FILES ABOVE IT AND MAY
+; OVERRIDE THESE SETTINGS AS DESIRED.
+;
+; OTHER THAN THE TOP MASTER FILE, EACH FILE MUST "#INCLUDE" ITS PARENT
+; FILE (SEE #INCLUDE STATEMENT BELOW).  THE TOP TWO FILES SHOULD NOT BE
+; MODIFIED.
+;
+; TO CUSTOMIZE YOUR BUILD SETTINGS YOU SHOULD MODIFY THIS FILE, THE
+; DEFAULT BUILD SETTINGS (Config/<platform>_std.asm) OR PREFERABLY
+; CREATE AN OPTIONAL CUSTOM USER SETTINGS FILE THAT INCLUDES THE DEFAULT
+; BUILD SETTINGS FILE (SEE EXAMPLE Config/SBC_user.asm).
+;
+; BY CREATING A CUSTOM USER SETTINGS FILE, YOU ARE LESS LIKELY TO BE
+; IMPACTED BY FUTURE CHANGES BECAUSE YOU WILL BE INHERITING MOST
+; OF YOUR SETTINGS WHICH WILL BE UPDATED BY AUTHORS AS ROMWBW EVOLVES.
+;
+; PLEASE REFER TO THE CUSTOM BUILD INSTRUCTIONS (README.TXT) IN THE
+; SOURCE DIRECTORY (TWO DIRECTORIES ABOVE THIS ONE).
+;
+; *** WARNING: ASIDE FROM THE MASTER CONFIGURATION FILE, YOU MUST USE
+; ".SET" TO OVERRIDE SETTINGS.  THE ASSEMBLER WILL ERROR IF YOU ATTEMPT
+; TO USE ".EQU" BECAUSE IT WON'T LET YOU REDEFINE A SETTING WITH ".EQU".
 ;
 #DEFINE PLATFORM_NAME "ZZ80MB", " [", CONFIG, "]"
 ;
 #DEFINE	BOOT_DEFAULT	"H"		; DEFAULT BOOT LOADER CMD ON <CR> OR AUTO BOOT
 ;
-#include "cfg_rcz280.asm"
+#include "cfg_RCZ280.asm"
 ;
 CPUOSC		.SET	24000000	; CPU OSC FREQ IN MHZ
 INTMODE		.SET	3		; INTERRUPTS: 0=NONE, 1=MODE 1, 2=MODE 2

Source/HBIOS/Config/RCZ280_zzrcc_ram_std.asm

@@ -1,32 +1,52 @@
 ;
 ;==================================================================================================
-;   RCBUS Z280 ZZRCC CONFIGURATION (ROMLESS)
+;   ROMWBW DEFAULT BUILD SETTINGS FOR RCBUS Z280 ROMLESS ZZRCC W/ NATIVE Z280 MMU
 ;==================================================================================================
 ;
-; THE COMPLETE SET OF DEFAULT CONFIGURATION SETTINGS FOR THIS PLATFORM ARE FOUND IN THE
-; CFG_<PLT>.ASM INCLUDED FILE WHICH IS FOUND IN THE PARENT DIRECTORY.  THIS FILE CONTAINS
-; COMMON CONFIGURATION SETTINGS THAT OVERRIDE THE DEFAULTS.  IT IS INTENDED THAT YOU MAKE
-; YOUR CUSTOMIZATIONS IN THIS FILE AND JUST INHERIT ALL OTHER SETTINGS FROM THE DEFAULTS.
-; EVEN BETTER, YOU CAN MAKE A COPY OF THIS FILE WITH A NAME LIKE <PLT>_XXX.ASM AND SPECIFY
-; YOUR FILE IN THE BUILD PROCESS.
+; THIS FILE DEFINES THE DEFAULT CONFIGURATION SETTINGS FOR THE PLATFORM
+; INDICATED ABOVE.  THESE SETTINGS DEFINE THE OFFICIAL BUILD FOR THIS
+; PLATFORM AS DISTRIBUTED IN ROMWBW RELEASES.
 ;
-; THE SETTINGS BELOW ARE THE SETTINGS THAT ARE MOST COMMONLY MODIFIED FOR THIS PLATFORM.
-; MANY OF THEM ARE EQUAL TO THE SETTINGS IN THE INCLUDED FILE, SO THEY DON'T REALLY DO
-; ANYTHING AS IS.  THEY ARE LISTED HERE TO MAKE IT EASY FOR YOU TO ADJUST THE MOST COMMON
-; SETTINGS.
+; ROMWBW USES CASCADING CONFIGURATION FILES AS INDICATED BELOW:
 ;
-; N.B., SINCE THE SETTINGS BELOW ARE REDEFINING VALUES ALREADY SET IN THE INCLUDED FILE,
-; TASM INSISTS THAT YOU USE THE .SET OPERATOR AND NOT THE .EQU OPERATOR BELOW. ATTEMPTING
-; TO REDEFINE A VALUE WITH .EQU BELOW WILL CAUSE TASM ERRORS!
+; cfg_MASTER.asm			- MASTER: CONFIGURATION FILE DEFINES ALL POSSIBLE ROMWBW SETTINGS
+; |
+; +-> cfg_<platform>.asm		- PLATFORM: DEFAULT SETTINGS FOR SPECIFIC PLATFORM
+;     |
+;     +-> Config/<plt>_std.asm		- BUILD: SETTINGS FOR EACH OFFICIAL DIST BUILD
+;         |
+;         +-> Config/<plt>_<cust>.asm	- USER: CUSTOM USER BUILD SETTINGS
 ;
-; PLEASE REFER TO THE CUSTOM BUILD INSTRUCTIONS (README.TXT) IN THE SOURCE DIRECTORY (TWO
-; DIRECTORIES ABOVE THIS ONE).
+; THE TOP (MASTER CONFIGURATION) FILE DEFINES ALL POSSIBLE ROMWBW
+; CONFIGURATION SETTINGS. EACH FILE BELOW THE MASTER CONFIGURATION FILE
+; INHERITS THE CUMULATIVE SETTINGS OF THE FILES ABOVE IT AND MAY
+; OVERRIDE THESE SETTINGS AS DESIRED.
+;
+; OTHER THAN THE TOP MASTER FILE, EACH FILE MUST "#INCLUDE" ITS PARENT
+; FILE (SEE #INCLUDE STATEMENT BELOW).  THE TOP TWO FILES SHOULD NOT BE
+; MODIFIED.
+;
+; TO CUSTOMIZE YOUR BUILD SETTINGS YOU SHOULD MODIFY THIS FILE, THE
+; DEFAULT BUILD SETTINGS (Config/<platform>_std.asm) OR PREFERABLY
+; CREATE AN OPTIONAL CUSTOM USER SETTINGS FILE THAT INCLUDES THE DEFAULT
+; BUILD SETTINGS FILE (SEE EXAMPLE Config/SBC_user.asm).
+;
+; BY CREATING A CUSTOM USER SETTINGS FILE, YOU ARE LESS LIKELY TO BE
+; IMPACTED BY FUTURE CHANGES BECAUSE YOU WILL BE INHERITING MOST
+; OF YOUR SETTINGS WHICH WILL BE UPDATED BY AUTHORS AS ROMWBW EVOLVES.
+;
+; PLEASE REFER TO THE CUSTOM BUILD INSTRUCTIONS (README.TXT) IN THE
+; SOURCE DIRECTORY (TWO DIRECTORIES ABOVE THIS ONE).
+;
+; *** WARNING: ASIDE FROM THE MASTER CONFIGURATION FILE, YOU MUST USE
+; ".SET" TO OVERRIDE SETTINGS.  THE ASSEMBLER WILL ERROR IF YOU ATTEMPT
+; TO USE ".EQU" BECAUSE IT WON'T LET YOU REDEFINE A SETTING WITH ".EQU".
 ;
 #DEFINE PLATFORM_NAME "ZZRCC", " [", CONFIG, "]"
 ;
 #DEFINE	BOOT_DEFAULT	"H"		; DEFAULT BOOT LOADER CMD ON <CR> OR AUTO BOOT
 ;
-#include "cfg_rcz280.asm"
+#include "cfg_RCZ280.asm"
 ;
 CPUOSC		.SET	29491200	; CPU OSC FREQ IN MHZ
 INTMODE		.SET	3		; INTERRUPTS: 0=NONE, 1=MODE 1, 2=MODE 2

Source/HBIOS/Config/RCZ280_zzrcc_std.asm

@@ -1,32 +1,52 @@
 ;
 ;==================================================================================================
-;   RCBUS Z280 ZZRCC CONFIGURATION
+;   ROMWBW DEFAULT BUILD SETTINGS FOR RCBUS Z280 ZZRCC W/ NATIVE Z280 MMU
 ;==================================================================================================
 ;
-; THE COMPLETE SET OF DEFAULT CONFIGURATION SETTINGS FOR THIS PLATFORM ARE FOUND IN THE
-; CFG_<PLT>.ASM INCLUDED FILE WHICH IS FOUND IN THE PARENT DIRECTORY.  THIS FILE CONTAINS
-; COMMON CONFIGURATION SETTINGS THAT OVERRIDE THE DEFAULTS.  IT IS INTENDED THAT YOU MAKE
-; YOUR CUSTOMIZATIONS IN THIS FILE AND JUST INHERIT ALL OTHER SETTINGS FROM THE DEFAULTS.
-; EVEN BETTER, YOU CAN MAKE A COPY OF THIS FILE WITH A NAME LIKE <PLT>_XXX.ASM AND SPECIFY
-; YOUR FILE IN THE BUILD PROCESS.
+; THIS FILE DEFINES THE DEFAULT CONFIGURATION SETTINGS FOR THE PLATFORM
+; INDICATED ABOVE.  THESE SETTINGS DEFINE THE OFFICIAL BUILD FOR THIS
+; PLATFORM AS DISTRIBUTED IN ROMWBW RELEASES.
 ;
-; THE SETTINGS BELOW ARE THE SETTINGS THAT ARE MOST COMMONLY MODIFIED FOR THIS PLATFORM.
-; MANY OF THEM ARE EQUAL TO THE SETTINGS IN THE INCLUDED FILE, SO THEY DON'T REALLY DO
-; ANYTHING AS IS.  THEY ARE LISTED HERE TO MAKE IT EASY FOR YOU TO ADJUST THE MOST COMMON
-; SETTINGS.
+; ROMWBW USES CASCADING CONFIGURATION FILES AS INDICATED BELOW:
 ;
-; N.B., SINCE THE SETTINGS BELOW ARE REDEFINING VALUES ALREADY SET IN THE INCLUDED FILE,
-; TASM INSISTS THAT YOU USE THE .SET OPERATOR AND NOT THE .EQU OPERATOR BELOW. ATTEMPTING
-; TO REDEFINE A VALUE WITH .EQU BELOW WILL CAUSE TASM ERRORS!
+; cfg_MASTER.asm			- MASTER: CONFIGURATION FILE DEFINES ALL POSSIBLE ROMWBW SETTINGS
+; |
+; +-> cfg_<platform>.asm		- PLATFORM: DEFAULT SETTINGS FOR SPECIFIC PLATFORM
+;     |
+;     +-> Config/<plt>_std.asm		- BUILD: SETTINGS FOR EACH OFFICIAL DIST BUILD
+;         |
+;         +-> Config/<plt>_<cust>.asm	- USER: CUSTOM USER BUILD SETTINGS
 ;
-; PLEASE REFER TO THE CUSTOM BUILD INSTRUCTIONS (README.TXT) IN THE SOURCE DIRECTORY (TWO
-; DIRECTORIES ABOVE THIS ONE).
+; THE TOP (MASTER CONFIGURATION) FILE DEFINES ALL POSSIBLE ROMWBW
+; CONFIGURATION SETTINGS. EACH FILE BELOW THE MASTER CONFIGURATION FILE
+; INHERITS THE CUMULATIVE SETTINGS OF THE FILES ABOVE IT AND MAY
+; OVERRIDE THESE SETTINGS AS DESIRED.
+;
+; OTHER THAN THE TOP MASTER FILE, EACH FILE MUST "#INCLUDE" ITS PARENT
+; FILE (SEE #INCLUDE STATEMENT BELOW).  THE TOP TWO FILES SHOULD NOT BE
+; MODIFIED.
+;
+; TO CUSTOMIZE YOUR BUILD SETTINGS YOU SHOULD MODIFY THIS FILE, THE
+; DEFAULT BUILD SETTINGS (Config/<platform>_std.asm) OR PREFERABLY
+; CREATE AN OPTIONAL CUSTOM USER SETTINGS FILE THAT INCLUDES THE DEFAULT
+; BUILD SETTINGS FILE (SEE EXAMPLE Config/SBC_user.asm).
+;
+; BY CREATING A CUSTOM USER SETTINGS FILE, YOU ARE LESS LIKELY TO BE
+; IMPACTED BY FUTURE CHANGES BECAUSE YOU WILL BE INHERITING MOST
+; OF YOUR SETTINGS WHICH WILL BE UPDATED BY AUTHORS AS ROMWBW EVOLVES.
+;
+; PLEASE REFER TO THE CUSTOM BUILD INSTRUCTIONS (README.TXT) IN THE
+; SOURCE DIRECTORY (TWO DIRECTORIES ABOVE THIS ONE).
+;
+; *** WARNING: ASIDE FROM THE MASTER CONFIGURATION FILE, YOU MUST USE
+; ".SET" TO OVERRIDE SETTINGS.  THE ASSEMBLER WILL ERROR IF YOU ATTEMPT
+; TO USE ".EQU" BECAUSE IT WON'T LET YOU REDEFINE A SETTING WITH ".EQU".
 ;
 #DEFINE PLATFORM_NAME "ZZRCC", " [", CONFIG, "]"
 ;
 #DEFINE	BOOT_DEFAULT	"H"		; DEFAULT BOOT LOADER CMD ON <CR> OR AUTO BOOT
 ;
-#include "cfg_rcz280.asm"
+#include "cfg_RCZ280.asm"
 ;
 CPUOSC		.SET	29491200	; CPU OSC FREQ IN MHZ
 INTMODE		.SET	3		; INTERRUPTS: 0=NONE, 1=MODE 1, 2=MODE 2

Source/HBIOS/Config/RCZ80_easy_std.asm

@@ -1,32 +1,52 @@
 ;
 ;==================================================================================================
-;   EASY Z80 STANDARD CONFIGURATION
+;   ROMWBW DEFAULT BUILD SETTINGS FOR EASY Z80
 ;==================================================================================================
 ;
-; THE COMPLETE SET OF DEFAULT CONFIGURATION SETTINGS FOR THIS PLATFORM ARE FOUND IN THE
-; CFG_<PLT>.ASM INCLUDED FILE WHICH IS FOUND IN THE PARENT DIRECTORY.  THIS FILE CONTAINS
-; COMMON CONFIGURATION SETTINGS THAT OVERRIDE THE DEFAULTS.  IT IS INTENDED THAT YOU MAKE
-; YOUR CUSTOMIZATIONS IN THIS FILE AND JUST INHERIT ALL OTHER SETTINGS FROM THE DEFAULTS.
-; EVEN BETTER, YOU CAN MAKE A COPY OF THIS FILE WITH A NAME LIKE <PLT>_XXX.ASM AND SPECIFY
-; YOUR FILE IN THE BUILD PROCESS.
+; THIS FILE DEFINES THE DEFAULT CONFIGURATION SETTINGS FOR THE PLATFORM
+; INDICATED ABOVE.  THESE SETTINGS DEFINE THE OFFICIAL BUILD FOR THIS
+; PLATFORM AS DISTRIBUTED IN ROMWBW RELEASES.
 ;
-; THE SETTINGS BELOW ARE THE SETTINGS THAT ARE MOST COMMONLY MODIFIED FOR THIS PLATFORM.
-; MANY OF THEM ARE EQUAL TO THE SETTINGS IN THE INCLUDED FILE, SO THEY DON'T REALLY DO
-; ANYTHING AS IS.  THEY ARE LISTED HERE TO MAKE IT EASY FOR YOU TO ADJUST THE MOST COMMON
-; SETTINGS.
+; ROMWBW USES CASCADING CONFIGURATION FILES AS INDICATED BELOW:
 ;
-; N.B., SINCE THE SETTINGS BELOW ARE REDEFINING VALUES ALREADY SET IN THE INCLUDED FILE,
-; TASM INSISTS THAT YOU USE THE .SET OPERATOR AND NOT THE .EQU OPERATOR BELOW. ATTEMPTING
-; TO REDEFINE A VALUE WITH .EQU BELOW WILL CAUSE TASM ERRORS!
+; cfg_MASTER.asm			- MASTER: CONFIGURATION FILE DEFINES ALL POSSIBLE ROMWBW SETTINGS
+; |
+; +-> cfg_<platform>.asm		- PLATFORM: DEFAULT SETTINGS FOR SPECIFIC PLATFORM
+;     |
+;     +-> Config/<plt>_std.asm		- BUILD: SETTINGS FOR EACH OFFICIAL DIST BUILD
+;         |
+;         +-> Config/<plt>_<cust>.asm	- USER: CUSTOM USER BUILD SETTINGS
 ;
-; PLEASE REFER TO THE CUSTOM BUILD INSTRUCTIONS (README.TXT) IN THE SOURCE DIRECTORY (TWO
-; DIRECTORIES ABOVE THIS ONE).
+; THE TOP (MASTER CONFIGURATION) FILE DEFINES ALL POSSIBLE ROMWBW
+; CONFIGURATION SETTINGS. EACH FILE BELOW THE MASTER CONFIGURATION FILE
+; INHERITS THE CUMULATIVE SETTINGS OF THE FILES ABOVE IT AND MAY
+; OVERRIDE THESE SETTINGS AS DESIRED.
+;
+; OTHER THAN THE TOP MASTER FILE, EACH FILE MUST "#INCLUDE" ITS PARENT
+; FILE (SEE #INCLUDE STATEMENT BELOW).  THE TOP TWO FILES SHOULD NOT BE
+; MODIFIED.
+;
+; TO CUSTOMIZE YOUR BUILD SETTINGS YOU SHOULD MODIFY THIS FILE, THE
+; DEFAULT BUILD SETTINGS (Config/<platform>_std.asm) OR PREFERABLY
+; CREATE AN OPTIONAL CUSTOM USER SETTINGS FILE THAT INCLUDES THE DEFAULT
+; BUILD SETTINGS FILE (SEE EXAMPLE Config/SBC_user.asm).
+;
+; BY CREATING A CUSTOM USER SETTINGS FILE, YOU ARE LESS LIKELY TO BE
+; IMPACTED BY FUTURE CHANGES BECAUSE YOU WILL BE INHERITING MOST
+; OF YOUR SETTINGS WHICH WILL BE UPDATED BY AUTHORS AS ROMWBW EVOLVES.
+;
+; PLEASE REFER TO THE CUSTOM BUILD INSTRUCTIONS (README.TXT) IN THE
+; SOURCE DIRECTORY (TWO DIRECTORIES ABOVE THIS ONE).
+;
+; *** WARNING: ASIDE FROM THE MASTER CONFIGURATION FILE, YOU MUST USE
+; ".SET" TO OVERRIDE SETTINGS.  THE ASSEMBLER WILL ERROR IF YOU ATTEMPT
+; TO USE ".EQU" BECAUSE IT WON'T LET YOU REDEFINE A SETTING WITH ".EQU".
 ;
 #DEFINE PLATFORM_NAME "Easy-Z80", " [", CONFIG, "]"
 ;
 #DEFINE	BOOT_DEFAULT	"H"		; DEFAULT BOOT LOADER CMD ON <CR> OR AUTO BOOT
 ;
-#include "cfg_rcz80.asm"
+#include "cfg_RCZ80.asm"
 ;
 PLATFORM	.SET	PLT_EZZ80	; PLT_[SBC|ZETA|ZETA2|N8|MK4|UNA|RCZ80|RCZ180|EZZ80|SCZ180|DYNO|RCZ280|MBC|RPH]
 CPUOSC		.SET	10000000	; CPU OSC FREQ IN MHZ

Source/HBIOS/Config/RCZ80_jbl.asm

@@ -1,8 +1,49 @@
 ;
 ;==================================================================================================
-;   RCBUS Z80 COLECOVISION-COMPATIBLE CONFIGURATION FOR J.B. LANGSTON'S GAME BOARDS
+;   ROMWBW DEFAULT BUILD SETTINGS FOR RCBUS Z80 W/ JBL GAME BOARDS
 ;==================================================================================================
 ;
+; THIS FILE DEFINES THE DEFAULT CONFIGURATION SETTINGS FOR THE PLATFORM
+; INDICATED ABOVE.  THESE SETTINGS DEFINE THE OFFICIAL BUILD FOR THIS
+; PLATFORM AS DISTRIBUTED IN ROMWBW RELEASES.
+;
+; ROMWBW USES CASCADING CONFIGURATION FILES AS INDICATED BELOW:
+;
+; cfg_MASTER.asm			- MASTER: CONFIGURATION FILE DEFINES ALL POSSIBLE ROMWBW SETTINGS
+; |
+; +-> cfg_<platform>.asm		- PLATFORM: DEFAULT SETTINGS FOR SPECIFIC PLATFORM
+;     |
+;     +-> Config/<plt>_std.asm		- BUILD: SETTINGS FOR EACH OFFICIAL DIST BUILD
+;         |
+;         +-> Config/<plt>_<cust>.asm	- USER: CUSTOM USER BUILD SETTINGS
+;
+; THE TOP (MASTER CONFIGURATION) FILE DEFINES ALL POSSIBLE ROMWBW
+; CONFIGURATION SETTINGS. EACH FILE BELOW THE MASTER CONFIGURATION FILE
+; INHERITS THE CUMULATIVE SETTINGS OF THE FILES ABOVE IT AND MAY
+; OVERRIDE THESE SETTINGS AS DESIRED.
+;
+; OTHER THAN THE TOP MASTER FILE, EACH FILE MUST "#INCLUDE" ITS PARENT
+; FILE (SEE #INCLUDE STATEMENT BELOW).  THE TOP TWO FILES SHOULD NOT BE
+; MODIFIED.
+;
+; TO CUSTOMIZE YOUR BUILD SETTINGS YOU SHOULD MODIFY THIS FILE, THE
+; DEFAULT BUILD SETTINGS (Config/<platform>_std.asm) OR PREFERABLY
+; CREATE AN OPTIONAL CUSTOM USER SETTINGS FILE THAT INCLUDES THE DEFAULT
+; BUILD SETTINGS FILE (SEE EXAMPLE Config/SBC_user.asm).
+;
+; BY CREATING A CUSTOM USER SETTINGS FILE, YOU ARE LESS LIKELY TO BE
+; IMPACTED BY FUTURE CHANGES BECAUSE YOU WILL BE INHERITING MOST
+; OF YOUR SETTINGS WHICH WILL BE UPDATED BY AUTHORS AS ROMWBW EVOLVES.
+;
+; PLEASE REFER TO THE CUSTOM BUILD INSTRUCTIONS (README.TXT) IN THE
+; SOURCE DIRECTORY (TWO DIRECTORIES ABOVE THIS ONE).
+;
+; *** WARNING: ASIDE FROM THE MASTER CONFIGURATION FILE, YOU MUST USE
+; ".SET" TO OVERRIDE SETTINGS.  THE ASSEMBLER WILL ERROR IF YOU ATTEMPT
+; TO USE ".EQU" BECAUSE IT WON'T LET YOU REDEFINE A SETTING WITH ".EQU".
+;
+; NOTES:
+;
 ; THIS CONFIGURATION ENABLES DRIVERS FOR THE TMS9918 AND SN76489 BOARDS BY J.B. LANGSTON
 ; AND THE YM2149 BOARD BY ED BRINDLEY. THE TMS9918 IS CONFIGURED TO USE THE COLECOVISION
 ; PORTS AND HAS INTERRUPTS DISABLED BECAUSE COLECOVISION USES NMI, WHICH WOULD BREAK CP/M
@@ -22,16 +63,9 @@
 ; EVEN BETTER, YOU CAN MAKE A COPY OF THIS FILE WITH A NAME LIKE <PLT>_XXX.ASM AND SPECIFY
 ; YOUR FILE IN THE BUILD PROCESS.
 ;
-; N.B., SINCE THE SETTINGS BELOW ARE REDEFINING VALUES ALREADY SET IN THE INCLUDED FILE,
-; TASM INSISTS THAT YOU USE THE .SET OPERATOR AND NOT THE .EQU OPERATOR BELOW. ATTEMPTING
-; TO REDEFINE A VALUE WITH .EQU BELOW WILL CAUSE TASM ERRORS!
-;
-; PLEASE REFER TO THE CUSTOM BUILD INSTRUCTIONS (README.TXT) IN THE SOURCE DIRECTORY (TWO
-; DIRECTORIES ABOVE THIS ONE).
-;
 #DEFINE	BOOT_DEFAULT	"Z"		; DEFAULT BOOT LOADER CMD ON <CR> OR AUTO BOOT
 ;
-#include "cfg_rcz80.asm"
+#include "cfg_RCZ80.asm"
 ;
 CPUOSC		.SET	3686400		; CPU OSC FREQ IN MHZ
 CRTACT		.SET	FALSE		; ACTIVATE CRT (VDU,CVDU,PROPIO,ETC) AT STARTUP

Source/HBIOS/Config/RCZ80_kio_std.asm

@@ -1,30 +1,50 @@
 ;
 ;==================================================================================================
-;   RCBUS Z80 STANDARD CONFIGURATION W/ KIO
+;   ROMWBW DEFAULT BUILD SETTINGS FOR RCBUS Z80 W/ KIO
 ;==================================================================================================
 ;
-; THE COMPLETE SET OF DEFAULT CONFIGURATION SETTINGS FOR THIS PLATFORM ARE FOUND IN THE
-; CFG_<PLT>.ASM INCLUDED FILE WHICH IS FOUND IN THE PARENT DIRECTORY.  THIS FILE CONTAINS
-; COMMON CONFIGURATION SETTINGS THAT OVERRIDE THE DEFAULTS.  IT IS INTENDED THAT YOU MAKE
-; YOUR CUSTOMIZATIONS IN THIS FILE AND JUST INHERIT ALL OTHER SETTINGS FROM THE DEFAULTS.
-; EVEN BETTER, YOU CAN MAKE A COPY OF THIS FILE WITH A NAME LIKE <PLT>_XXX.ASM AND SPECIFY
-; YOUR FILE IN THE BUILD PROCESS.
+; THIS FILE DEFINES THE DEFAULT CONFIGURATION SETTINGS FOR THE PLATFORM
+; INDICATED ABOVE.  THESE SETTINGS DEFINE THE OFFICIAL BUILD FOR THIS
+; PLATFORM AS DISTRIBUTED IN ROMWBW RELEASES.
 ;
-; THE SETTINGS BELOW ARE THE SETTINGS THAT ARE MOST COMMONLY MODIFIED FOR THIS PLATFORM.
-; MANY OF THEM ARE EQUAL TO THE SETTINGS IN THE INCLUDED FILE, SO THEY DON'T REALLY DO
-; ANYTHING AS IS.  THEY ARE LISTED HERE TO MAKE IT EASY FOR YOU TO ADJUST THE MOST COMMON
-; SETTINGS.
+; ROMWBW USES CASCADING CONFIGURATION FILES AS INDICATED BELOW:
 ;
-; N.B., SINCE THE SETTINGS BELOW ARE REDEFINING VALUES ALREADY SET IN THE INCLUDED FILE,
-; TASM INSISTS THAT YOU USE THE .SET OPERATOR AND NOT THE .EQU OPERATOR BELOW. ATTEMPTING
-; TO REDEFINE A VALUE WITH .EQU BELOW WILL CAUSE TASM ERRORS!
+; cfg_MASTER.asm			- MASTER: CONFIGURATION FILE DEFINES ALL POSSIBLE ROMWBW SETTINGS
+; |
+; +-> cfg_<platform>.asm		- PLATFORM: DEFAULT SETTINGS FOR SPECIFIC PLATFORM
+;     |
+;     +-> Config/<plt>_std.asm		- BUILD: SETTINGS FOR EACH OFFICIAL DIST BUILD
+;         |
+;         +-> Config/<plt>_<cust>.asm	- USER: CUSTOM USER BUILD SETTINGS
 ;
-; PLEASE REFER TO THE CUSTOM BUILD INSTRUCTIONS (README.TXT) IN THE SOURCE DIRECTORY (TWO
-; DIRECTORIES ABOVE THIS ONE).
+; THE TOP (MASTER CONFIGURATION) FILE DEFINES ALL POSSIBLE ROMWBW
+; CONFIGURATION SETTINGS. EACH FILE BELOW THE MASTER CONFIGURATION FILE
+; INHERITS THE CUMULATIVE SETTINGS OF THE FILES ABOVE IT AND MAY
+; OVERRIDE THESE SETTINGS AS DESIRED.
+;
+; OTHER THAN THE TOP MASTER FILE, EACH FILE MUST "#INCLUDE" ITS PARENT
+; FILE (SEE #INCLUDE STATEMENT BELOW).  THE TOP TWO FILES SHOULD NOT BE
+; MODIFIED.
+;
+; TO CUSTOMIZE YOUR BUILD SETTINGS YOU SHOULD MODIFY THIS FILE, THE
+; DEFAULT BUILD SETTINGS (Config/<platform>_std.asm) OR PREFERABLY
+; CREATE AN OPTIONAL CUSTOM USER SETTINGS FILE THAT INCLUDES THE DEFAULT
+; BUILD SETTINGS FILE (SEE EXAMPLE Config/SBC_user.asm).
+;
+; BY CREATING A CUSTOM USER SETTINGS FILE, YOU ARE LESS LIKELY TO BE
+; IMPACTED BY FUTURE CHANGES BECAUSE YOU WILL BE INHERITING MOST
+; OF YOUR SETTINGS WHICH WILL BE UPDATED BY AUTHORS AS ROMWBW EVOLVES.
+;
+; PLEASE REFER TO THE CUSTOM BUILD INSTRUCTIONS (README.TXT) IN THE
+; SOURCE DIRECTORY (TWO DIRECTORIES ABOVE THIS ONE).
+;
+; *** WARNING: ASIDE FROM THE MASTER CONFIGURATION FILE, YOU MUST USE
+; ".SET" TO OVERRIDE SETTINGS.  THE ASSEMBLER WILL ERROR IF YOU ATTEMPT
+; TO USE ".EQU" BECAUSE IT WON'T LET YOU REDEFINE A SETTING WITH ".EQU".
 ;
 #DEFINE	BOOT_DEFAULT	"H"		; DEFAULT BOOT LOADER CMD ON <CR> OR AUTO BOOT
 ;
-#include "cfg_rcz80.asm"
+#include "cfg_RCZ80.asm"
 ;
 CPUOSC		.SET	7372800		; CPU OSC FREQ IN MHZ
 INTMODE		.SET	2		; INTERRUPTS: 0=NONE, 1=MODE 1, 2=MODE 2

Source/HBIOS/Config/RCZ80_skz_std.asm

@@ -1,30 +1,50 @@
 ;
 ;==================================================================================================
-;   RCBUS Z80 STANDARD CONFIGURATION W/ SERGEY KISELEV Z80 + 512K CPU
+;   ROMWBW DEFAULT BUILD SETTINGS FOR RCBUS Z80 W/ SERGEY KISELEL Z80+512K CPU
 ;==================================================================================================
 ;
-; THE COMPLETE SET OF DEFAULT CONFIGURATION SETTINGS FOR THIS PLATFORM ARE FOUND IN THE
-; CFG_<PLT>.ASM INCLUDED FILE WHICH IS FOUND IN THE PARENT DIRECTORY.  THIS FILE CONTAINS
-; COMMON CONFIGURATION SETTINGS THAT OVERRIDE THE DEFAULTS.  IT IS INTENDED THAT YOU MAKE
-; YOUR CUSTOMIZATIONS IN THIS FILE AND JUST INHERIT ALL OTHER SETTINGS FROM THE DEFAULTS.
-; EVEN BETTER, YOU CAN MAKE A COPY OF THIS FILE WITH A NAME LIKE <PLT>_XXX.ASM AND SPECIFY
-; YOUR FILE IN THE BUILD PROCESS.
+; THIS FILE DEFINES THE DEFAULT CONFIGURATION SETTINGS FOR THE PLATFORM
+; INDICATED ABOVE.  THESE SETTINGS DEFINE THE OFFICIAL BUILD FOR THIS
+; PLATFORM AS DISTRIBUTED IN ROMWBW RELEASES.
 ;
-; THE SETTINGS BELOW ARE THE SETTINGS THAT ARE MOST COMMONLY MODIFIED FOR THIS PLATFORM.
-; MANY OF THEM ARE EQUAL TO THE SETTINGS IN THE INCLUDED FILE, SO THEY DON'T REALLY DO
-; ANYTHING AS IS.  THEY ARE LISTED HERE TO MAKE IT EASY FOR YOU TO ADJUST THE MOST COMMON
-; SETTINGS.
+; ROMWBW USES CASCADING CONFIGURATION FILES AS INDICATED BELOW:
 ;
-; N.B., SINCE THE SETTINGS BELOW ARE REDEFINING VALUES ALREADY SET IN THE INCLUDED FILE,
-; TASM INSISTS THAT YOU USE THE .SET OPERATOR AND NOT THE .EQU OPERATOR BELOW. ATTEMPTING
-; TO REDEFINE A VALUE WITH .EQU BELOW WILL CAUSE TASM ERRORS!
+; cfg_MASTER.asm			- MASTER: CONFIGURATION FILE DEFINES ALL POSSIBLE ROMWBW SETTINGS
+; |
+; +-> cfg_<platform>.asm		- PLATFORM: DEFAULT SETTINGS FOR SPECIFIC PLATFORM
+;     |
+;     +-> Config/<plt>_std.asm		- BUILD: SETTINGS FOR EACH OFFICIAL DIST BUILD
+;         |
+;         +-> Config/<plt>_<cust>.asm	- USER: CUSTOM USER BUILD SETTINGS
 ;
-; PLEASE REFER TO THE CUSTOM BUILD INSTRUCTIONS (README.TXT) IN THE SOURCE DIRECTORY (TWO
-; DIRECTORIES ABOVE THIS ONE).
+; THE TOP (MASTER CONFIGURATION) FILE DEFINES ALL POSSIBLE ROMWBW
+; CONFIGURATION SETTINGS. EACH FILE BELOW THE MASTER CONFIGURATION FILE
+; INHERITS THE CUMULATIVE SETTINGS OF THE FILES ABOVE IT AND MAY
+; OVERRIDE THESE SETTINGS AS DESIRED.
+;
+; OTHER THAN THE TOP MASTER FILE, EACH FILE MUST "#INCLUDE" ITS PARENT
+; FILE (SEE #INCLUDE STATEMENT BELOW).  THE TOP TWO FILES SHOULD NOT BE
+; MODIFIED.
+;
+; TO CUSTOMIZE YOUR BUILD SETTINGS YOU SHOULD MODIFY THIS FILE, THE
+; DEFAULT BUILD SETTINGS (Config/<platform>_std.asm) OR PREFERABLY
+; CREATE AN OPTIONAL CUSTOM USER SETTINGS FILE THAT INCLUDES THE DEFAULT
+; BUILD SETTINGS FILE (SEE EXAMPLE Config/SBC_user.asm).
+;
+; BY CREATING A CUSTOM USER SETTINGS FILE, YOU ARE LESS LIKELY TO BE
+; IMPACTED BY FUTURE CHANGES BECAUSE YOU WILL BE INHERITING MOST
+; OF YOUR SETTINGS WHICH WILL BE UPDATED BY AUTHORS AS ROMWBW EVOLVES.
+;
+; PLEASE REFER TO THE CUSTOM BUILD INSTRUCTIONS (README.TXT) IN THE
+; SOURCE DIRECTORY (TWO DIRECTORIES ABOVE THIS ONE).
+;
+; *** WARNING: ASIDE FROM THE MASTER CONFIGURATION FILE, YOU MUST USE
+; ".SET" TO OVERRIDE SETTINGS.  THE ASSEMBLER WILL ERROR IF YOU ATTEMPT
+; TO USE ".EQU" BECAUSE IT WON'T LET YOU REDEFINE A SETTING WITH ".EQU".
 ;
 #DEFINE	BOOT_DEFAULT	"H"		; DEFAULT BOOT LOADER CMD ON <CR> OR AUTO BOOT
 ;
-#include "cfg_rcz80.asm"
+#include "cfg_RCZ80.asm"
 ;
 CPUOSC		.SET	7372800		; CPU OSC FREQ IN MHZ
 CRTACT		.SET	FALSE		; ACTIVATE CRT (VDU,CVDU,PROPIO,ETC) AT STARTUP

Source/HBIOS/Config/RCZ80_std.asm

@@ -1,30 +1,50 @@
 ;
 ;==================================================================================================
-;   RCBUS Z80 STANDARD CONFIGURATION
+;   ROMWBW DEFAULT BUILD SETTINGS FOR RCBUS Z80
 ;==================================================================================================
 ;
-; THE COMPLETE SET OF DEFAULT CONFIGURATION SETTINGS FOR THIS PLATFORM ARE FOUND IN THE
-; CFG_<PLT>.ASM INCLUDED FILE WHICH IS FOUND IN THE PARENT DIRECTORY.  THIS FILE CONTAINS
-; COMMON CONFIGURATION SETTINGS THAT OVERRIDE THE DEFAULTS.  IT IS INTENDED THAT YOU MAKE
-; YOUR CUSTOMIZATIONS IN THIS FILE AND JUST INHERIT ALL OTHER SETTINGS FROM THE DEFAULTS.
-; EVEN BETTER, YOU CAN MAKE A COPY OF THIS FILE WITH A NAME LIKE <PLT>_XXX.ASM AND SPECIFY
-; YOUR FILE IN THE BUILD PROCESS.
+; THIS FILE DEFINES THE DEFAULT CONFIGURATION SETTINGS FOR THE PLATFORM
+; INDICATED ABOVE.  THESE SETTINGS DEFINE THE OFFICIAL BUILD FOR THIS
+; PLATFORM AS DISTRIBUTED IN ROMWBW RELEASES.
 ;
-; THE SETTINGS BELOW ARE THE SETTINGS THAT ARE MOST COMMONLY MODIFIED FOR THIS PLATFORM.
-; MANY OF THEM ARE EQUAL TO THE SETTINGS IN THE INCLUDED FILE, SO THEY DON'T REALLY DO
-; ANYTHING AS IS.  THEY ARE LISTED HERE TO MAKE IT EASY FOR YOU TO ADJUST THE MOST COMMON
-; SETTINGS.
+; ROMWBW USES CASCADING CONFIGURATION FILES AS INDICATED BELOW:
 ;
-; N.B., SINCE THE SETTINGS BELOW ARE REDEFINING VALUES ALREADY SET IN THE INCLUDED FILE,
-; TASM INSISTS THAT YOU USE THE .SET OPERATOR AND NOT THE .EQU OPERATOR BELOW. ATTEMPTING
-; TO REDEFINE A VALUE WITH .EQU BELOW WILL CAUSE TASM ERRORS!
+; cfg_MASTER.asm			- MASTER: CONFIGURATION FILE DEFINES ALL POSSIBLE ROMWBW SETTINGS
+; |
+; +-> cfg_<platform>.asm		- PLATFORM: DEFAULT SETTINGS FOR SPECIFIC PLATFORM
+;     |
+;     +-> Config/<plt>_std.asm		- BUILD: SETTINGS FOR EACH OFFICIAL DIST BUILD
+;         |
+;         +-> Config/<plt>_<cust>.asm	- USER: CUSTOM USER BUILD SETTINGS
 ;
-; PLEASE REFER TO THE CUSTOM BUILD INSTRUCTIONS (README.TXT) IN THE SOURCE DIRECTORY (TWO
-; DIRECTORIES ABOVE THIS ONE).
+; THE TOP (MASTER CONFIGURATION) FILE DEFINES ALL POSSIBLE ROMWBW
+; CONFIGURATION SETTINGS. EACH FILE BELOW THE MASTER CONFIGURATION FILE
+; INHERITS THE CUMULATIVE SETTINGS OF THE FILES ABOVE IT AND MAY
+; OVERRIDE THESE SETTINGS AS DESIRED.
+;
+; OTHER THAN THE TOP MASTER FILE, EACH FILE MUST "#INCLUDE" ITS PARENT
+; FILE (SEE #INCLUDE STATEMENT BELOW).  THE TOP TWO FILES SHOULD NOT BE
+; MODIFIED.
+;
+; TO CUSTOMIZE YOUR BUILD SETTINGS YOU SHOULD MODIFY THIS FILE, THE
+; DEFAULT BUILD SETTINGS (Config/<platform>_std.asm) OR PREFERABLY
+; CREATE AN OPTIONAL CUSTOM USER SETTINGS FILE THAT INCLUDES THE DEFAULT
+; BUILD SETTINGS FILE (SEE EXAMPLE Config/SBC_user.asm).
+;
+; BY CREATING A CUSTOM USER SETTINGS FILE, YOU ARE LESS LIKELY TO BE
+; IMPACTED BY FUTURE CHANGES BECAUSE YOU WILL BE INHERITING MOST
+; OF YOUR SETTINGS WHICH WILL BE UPDATED BY AUTHORS AS ROMWBW EVOLVES.
+;
+; PLEASE REFER TO THE CUSTOM BUILD INSTRUCTIONS (README.TXT) IN THE
+; SOURCE DIRECTORY (TWO DIRECTORIES ABOVE THIS ONE).
+;
+; *** WARNING: ASIDE FROM THE MASTER CONFIGURATION FILE, YOU MUST USE
+; ".SET" TO OVERRIDE SETTINGS.  THE ASSEMBLER WILL ERROR IF YOU ATTEMPT
+; TO USE ".EQU" BECAUSE IT WON'T LET YOU REDEFINE A SETTING WITH ".EQU".
 ;
 #DEFINE	BOOT_DEFAULT	"H"		; DEFAULT BOOT LOADER CMD ON <CR> OR AUTO BOOT
 ;
-#include "cfg_rcz80.asm"
+#include "cfg_RCZ80.asm"
 ;
 CPUOSC		.SET	7372800		; CPU OSC FREQ IN MHZ
 CRTACT		.SET	FALSE		; ACTIVATE CRT (VDU,CVDU,PROPIO,ETC) AT STARTUP
@@ -45,7 +65,6 @@ LPTENABLE	.SET	FALSE		; LPT: ENABLE CENTRONICS PRINTER DRIVER (LPT.ASM)
 TMSENABLE	.SET	FALSE		; TMS: ENABLE TMS9918 VIDEO/KBD DRIVER (TMS.ASM)
 TMSTIMENABLE	.SET	FALSE		; TMS: ENABLE TIMER INTERRUPTS (REQUIRES IM1)
 TMSMODE		.SET	TMSMODE_MSX	; TMS: DRIVER MODE: TMSMODE_[SCG|N8|MBC|MSX|MSX9958|MSXKBD|COLECO]
-MKYENABLE	.SET	FALSE		; MSX 5255 PPI KEYBOARD COMPATIBLE DRIVER (REQUIRES TMS VDA DRIVER)
 VRCENABLE	.SET	FALSE		; VRC: ENABLE VGARC VIDEO/KBD DRIVER (VRC.ASM)
 EFENABLE	.SET	FALSE		; EF: ENABLE EF9345 VIDEO DRIVER (EF.ASM)
 VDAEMU_SERKBD	.SET	0		; VDA EMULATION: SERIAL KBD UNIT #, OR $FF FOR HW KBD

Source/HBIOS/Config/RCZ80_tiny_std.asm

@@ -1,32 +1,52 @@
 ;
 ;==================================================================================================
-;   TINY Z80 STANDARD CONFIGURATION
+;   ROMWBW DEFAULT BUILD SETTINGS FOR TINY Z80
 ;==================================================================================================
 ;
-; THE COMPLETE SET OF DEFAULT CONFIGURATION SETTINGS FOR THIS PLATFORM ARE FOUND IN THE
-; CFG_<PLT>.ASM INCLUDED FILE WHICH IS FOUND IN THE PARENT DIRECTORY.  THIS FILE CONTAINS
-; COMMON CONFIGURATION SETTINGS THAT OVERRIDE THE DEFAULTS.  IT IS INTENDED THAT YOU MAKE
-; YOUR CUSTOMIZATIONS IN THIS FILE AND JUST INHERIT ALL OTHER SETTINGS FROM THE DEFAULTS.
-; EVEN BETTER, YOU CAN MAKE A COPY OF THIS FILE WITH A NAME LIKE <PLT>_XXX.ASM AND SPECIFY
-; YOUR FILE IN THE BUILD PROCESS.
+; THIS FILE DEFINES THE DEFAULT CONFIGURATION SETTINGS FOR THE PLATFORM
+; INDICATED ABOVE.  THESE SETTINGS DEFINE THE OFFICIAL BUILD FOR THIS
+; PLATFORM AS DISTRIBUTED IN ROMWBW RELEASES.
 ;
-; THE SETTINGS BELOW ARE THE SETTINGS THAT ARE MOST COMMONLY MODIFIED FOR THIS PLATFORM.
-; MANY OF THEM ARE EQUAL TO THE SETTINGS IN THE INCLUDED FILE, SO THEY DON'T REALLY DO
-; ANYTHING AS IS.  THEY ARE LISTED HERE TO MAKE IT EASY FOR YOU TO ADJUST THE MOST COMMON
-; SETTINGS.
+; ROMWBW USES CASCADING CONFIGURATION FILES AS INDICATED BELOW:
 ;
-; N.B., SINCE THE SETTINGS BELOW ARE REDEFINING VALUES ALREADY SET IN THE INCLUDED FILE,
-; TASM INSISTS THAT YOU USE THE .SET OPERATOR AND NOT THE .EQU OPERATOR BELOW. ATTEMPTING
-; TO REDEFINE A VALUE WITH .EQU BELOW WILL CAUSE TASM ERRORS!
+; cfg_MASTER.asm			- MASTER: CONFIGURATION FILE DEFINES ALL POSSIBLE ROMWBW SETTINGS
+; |
+; +-> cfg_<platform>.asm		- PLATFORM: DEFAULT SETTINGS FOR SPECIFIC PLATFORM
+;     |
+;     +-> Config/<plt>_std.asm		- BUILD: SETTINGS FOR EACH OFFICIAL DIST BUILD
+;         |
+;         +-> Config/<plt>_<cust>.asm	- USER: CUSTOM USER BUILD SETTINGS
 ;
-; PLEASE REFER TO THE CUSTOM BUILD INSTRUCTIONS (README.TXT) IN THE SOURCE DIRECTORY (TWO
-; DIRECTORIES ABOVE THIS ONE).
+; THE TOP (MASTER CONFIGURATION) FILE DEFINES ALL POSSIBLE ROMWBW
+; CONFIGURATION SETTINGS. EACH FILE BELOW THE MASTER CONFIGURATION FILE
+; INHERITS THE CUMULATIVE SETTINGS OF THE FILES ABOVE IT AND MAY
+; OVERRIDE THESE SETTINGS AS DESIRED.
+;
+; OTHER THAN THE TOP MASTER FILE, EACH FILE MUST "#INCLUDE" ITS PARENT
+; FILE (SEE #INCLUDE STATEMENT BELOW).  THE TOP TWO FILES SHOULD NOT BE
+; MODIFIED.
+;
+; TO CUSTOMIZE YOUR BUILD SETTINGS YOU SHOULD MODIFY THIS FILE, THE
+; DEFAULT BUILD SETTINGS (Config/<platform>_std.asm) OR PREFERABLY
+; CREATE AN OPTIONAL CUSTOM USER SETTINGS FILE THAT INCLUDES THE DEFAULT
+; BUILD SETTINGS FILE (SEE EXAMPLE Config/SBC_user.asm).
+;
+; BY CREATING A CUSTOM USER SETTINGS FILE, YOU ARE LESS LIKELY TO BE
+; IMPACTED BY FUTURE CHANGES BECAUSE YOU WILL BE INHERITING MOST
+; OF YOUR SETTINGS WHICH WILL BE UPDATED BY AUTHORS AS ROMWBW EVOLVES.
+;
+; PLEASE REFER TO THE CUSTOM BUILD INSTRUCTIONS (README.TXT) IN THE
+; SOURCE DIRECTORY (TWO DIRECTORIES ABOVE THIS ONE).
+;
+; *** WARNING: ASIDE FROM THE MASTER CONFIGURATION FILE, YOU MUST USE
+; ".SET" TO OVERRIDE SETTINGS.  THE ASSEMBLER WILL ERROR IF YOU ATTEMPT
+; TO USE ".EQU" BECAUSE IT WON'T LET YOU REDEFINE A SETTING WITH ".EQU".
 ;
 #DEFINE PLATFORM_NAME "Tiny-Z80", " [", CONFIG, "]"
 ;
 #DEFINE	BOOT_DEFAULT	"H"		; DEFAULT BOOT LOADER CMD ON <CR> OR AUTO BOOT
 ;
-#include "cfg_rcz80.asm"
+#include "cfg_RCZ80.asm"
 ;
 PLATFORM	.SET	PLT_EZZ80	; PLT_[SBC|ZETA|ZETA2|N8|MK4|UNA|RCZ80|RCZ180|EZZ80|SCZ180|DYNO|RCZ280|MBC|RPH]
 CPUOSC		.SET	16000000	; CPU OSC FREQ IN MHZ

Source/HBIOS/Config/RCZ80_user.asm

@@ -0,0 +1,57 @@
+;
+;==================================================================================================
+;   ROMWBW CUSTOM USER BUILD SETTINGS EXAMPLE FOR RCBUS Z80
+;==================================================================================================
+;
+; THIS FILE IS AN EXAMPLE OF A CUSTOM USER SETTINGS FILE.  THESE
+; SETTINGS OVERRIDE THE DEFAULT SETTINGS OF THE INHERITED FILES AS
+; DESIRED BY A USER.
+;
+; ROMWBW USES CASCADING CONFIGURATION FILES AS INDICATED BELOW:
+;
+; cfg_MASTER.asm			- MASTER: CONFIGURATION FILE DEFINES ALL POSSIBLE ROMWBW SETTINGS
+; |
+; +-> cfg_<platform>.asm		- PLATFORM: DEFAULT SETTINGS FOR SPECIFIC PLATFORM
+;     |
+;     +-> Config/<plt>_std.asm		- BUILD: SETTINGS FOR EACH OFFICIAL DIST BUILD
+;         |
+;         +-> Config/<plt>_<cust>.asm	- USER: CUSTOM USER BUILD SETTINGS
+;
+; THE TOP (MASTER CONFIGURATION) FILE DEFINES ALL POSSIBLE ROMWBW
+; CONFIGURATION SETTINGS. EACH FILE BELOW THE MASTER CONFIGURATION FILE
+; INHERITS THE CUMULATIVE SETTINGS OF THE FILES ABOVE IT AND MAY
+; OVERRIDE THESE SETTINGS AS DESIRED.
+;
+; OTHER THAN THE TOP MASTER FILE, EACH FILE MUST "#INCLUDE" ITS PARENT
+; FILE (SEE #INCLUDE STATEMENT BELOW).  THE TOP TWO FILES SHOULD NOT BE
+; MODIFIED.
+;
+; THIS FILE EXEMPLIFIES THE IDEAL WAY TO CREATE A USER SPECIFIC BUILD
+; CONFIGURATION.  NOTICE THAT IT INCLUDES THE DEFAULT BUILD SETTINGS
+; FILE AND OVERRIDES SOME DESIRED SETTINGS.
+;
+; BY CREATING A CUSTOM USER SETTINGS FILE, YOU ARE LESS LIKELY TO BE
+; IMPACTED BY FUTURE CHANGES BECAUSE YOU WILL BE INHERITING MOST
+; OF YOUR SETTINGS WHICH WILL BE UPDATED BY AUTHORS AS ROMWBW EVOLVES.
+;
+; PLEASE REFER TO THE CUSTOM BUILD INSTRUCTIONS (README.TXT) IN THE
+; SOURCE DIRECTORY (TWO DIRECTORIES ABOVE THIS ONE).
+;
+; *** WARNING: ASIDE FROM THE MASTER CONFIGURATION FILE, YOU MUST USE
+; ".SET" TO OVERRIDE SETTINGS.  THE ASSEMBLER WILL ERROR IF YOU ATTEMPT
+; TO USE ".EQU" BECAUSE IT WON'T LET YOU REDEFINE A SETTING WITH ".EQU".
+;
+; THIS EXAMPLE CUSTOM USER SETTINGS FILE DOES THE FOLLOWING:
+;
+; 1. SETS A CUSTOM NAME USED IN THE BOOT LOADER BANNER
+; 2. BOOTS ZSDOS BY DEFAULT AFTER 10 SECOND DELAY
+; 3. ENABLES LPT PRINTER SUPPORT
+;
+#DEFINE PLATFORM_NAME "My Custom RCBus Computer", " [", CONFIG, "]"
+#DEFINE	BOOT_DEFAULT "Z"		; DEFAULT BOOT LOADER CMD ON <CR> OR AUTO BOOT
+;
+#include "Config/RCZ80_std.asm"		; INHERIT FROM OFFICIAL BUILD SETTINGS
+;
+BOOT_TIMEOUT	.SET	10		; AUTO BOOT TIMEOUT IN SECONDS, -1 TO DISABLE, 0 FOR IMMEDIATE
+;
+LPTENABLE	.SET	TRUE		; LPT: ENABLE CENTRONICS PRINTER DRIVER (LPT.ASM)

Source/HBIOS/Config/RCZ80_zrc512_std.asm

@@ -1,32 +1,52 @@
 ;
 ;==================================================================================================
-;   RCBUS Z80 ZRC512 CONFIGURATION
+;   ROMWBW DEFAULT BUILD SETTINGS FOR RCBUS Z80 ZRC512
 ;==================================================================================================
 ;
-; THE COMPLETE SET OF DEFAULT CONFIGURATION SETTINGS FOR THIS PLATFORM ARE FOUND IN THE
-; CFG_<PLT>.ASM INCLUDED FILE WHICH IS FOUND IN THE PARENT DIRECTORY.  THIS FILE CONTAINS
-; COMMON CONFIGURATION SETTINGS THAT OVERRIDE THE DEFAULTS.  IT IS INTENDED THAT YOU MAKE
-; YOUR CUSTOMIZATIONS IN THIS FILE AND JUST INHERIT ALL OTHER SETTINGS FROM THE DEFAULTS.
-; EVEN BETTER, YOU CAN MAKE A COPY OF THIS FILE WITH A NAME LIKE <PLT>_XXX.ASM AND SPECIFY
-; YOUR FILE IN THE BUILD PROCESS.
+; THIS FILE DEFINES THE DEFAULT CONFIGURATION SETTINGS FOR THE PLATFORM
+; INDICATED ABOVE.  THESE SETTINGS DEFINE THE OFFICIAL BUILD FOR THIS
+; PLATFORM AS DISTRIBUTED IN ROMWBW RELEASES.
 ;
-; THE SETTINGS BELOW ARE THE SETTINGS THAT ARE MOST COMMONLY MODIFIED FOR THIS PLATFORM.
-; MANY OF THEM ARE EQUAL TO THE SETTINGS IN THE INCLUDED FILE, SO THEY DON'T REALLY DO
-; ANYTHING AS IS.  THEY ARE LISTED HERE TO MAKE IT EASY FOR YOU TO ADJUST THE MOST COMMON
-; SETTINGS.
+; ROMWBW USES CASCADING CONFIGURATION FILES AS INDICATED BELOW:
 ;
-; N.B., SINCE THE SETTINGS BELOW ARE REDEFINING VALUES ALREADY SET IN THE INCLUDED FILE,
-; TASM INSISTS THAT YOU USE THE .SET OPERATOR AND NOT THE .EQU OPERATOR BELOW. ATTEMPTING
-; TO REDEFINE A VALUE WITH .EQU BELOW WILL CAUSE TASM ERRORS!
+; cfg_MASTER.asm			- MASTER: CONFIGURATION FILE DEFINES ALL POSSIBLE ROMWBW SETTINGS
+; |
+; +-> cfg_<platform>.asm		- PLATFORM: DEFAULT SETTINGS FOR SPECIFIC PLATFORM
+;     |
+;     +-> Config/<plt>_std.asm		- BUILD: SETTINGS FOR EACH OFFICIAL DIST BUILD
+;         |
+;         +-> Config/<plt>_<cust>.asm	- USER: CUSTOM USER BUILD SETTINGS
 ;
-; PLEASE REFER TO THE CUSTOM BUILD INSTRUCTIONS (README.TXT) IN THE SOURCE DIRECTORY (TWO
-; DIRECTORIES ABOVE THIS ONE).
+; THE TOP (MASTER CONFIGURATION) FILE DEFINES ALL POSSIBLE ROMWBW
+; CONFIGURATION SETTINGS. EACH FILE BELOW THE MASTER CONFIGURATION FILE
+; INHERITS THE CUMULATIVE SETTINGS OF THE FILES ABOVE IT AND MAY
+; OVERRIDE THESE SETTINGS AS DESIRED.
+;
+; OTHER THAN THE TOP MASTER FILE, EACH FILE MUST "#INCLUDE" ITS PARENT
+; FILE (SEE #INCLUDE STATEMENT BELOW).  THE TOP TWO FILES SHOULD NOT BE
+; MODIFIED.
+;
+; TO CUSTOMIZE YOUR BUILD SETTINGS YOU SHOULD MODIFY THIS FILE, THE
+; DEFAULT BUILD SETTINGS (Config/<platform>_std.asm) OR PREFERABLY
+; CREATE AN OPTIONAL CUSTOM USER SETTINGS FILE THAT INCLUDES THE DEFAULT
+; BUILD SETTINGS FILE (SEE EXAMPLE Config/SBC_user.asm).
+;
+; BY CREATING A CUSTOM USER SETTINGS FILE, YOU ARE LESS LIKELY TO BE
+; IMPACTED BY FUTURE CHANGES BECAUSE YOU WILL BE INHERITING MOST
+; OF YOUR SETTINGS WHICH WILL BE UPDATED BY AUTHORS AS ROMWBW EVOLVES.
+;
+; PLEASE REFER TO THE CUSTOM BUILD INSTRUCTIONS (README.TXT) IN THE
+; SOURCE DIRECTORY (TWO DIRECTORIES ABOVE THIS ONE).
+;
+; *** WARNING: ASIDE FROM THE MASTER CONFIGURATION FILE, YOU MUST USE
+; ".SET" TO OVERRIDE SETTINGS.  THE ASSEMBLER WILL ERROR IF YOU ATTEMPT
+; TO USE ".EQU" BECAUSE IT WON'T LET YOU REDEFINE A SETTING WITH ".EQU".
 ;
 #DEFINE PLATFORM_NAME "ZRC512", " [", CONFIG, "]"
 ;
 #DEFINE	BOOT_DEFAULT	"H"		; DEFAULT BOOT LOADER CMD ON <CR> OR AUTO BOOT
 ;
-#include "cfg_rcz80.asm"
+#include "cfg_RCZ80.asm"
 ;
 CPUOSC		.SET	22000000	; CPU OSC FREQ IN MHZ
 CRTACT		.SET	FALSE		; ACTIVATE CRT (VDU,CVDU,PROPIO,ETC) AT STARTUP

Source/HBIOS/Config/RCZ80_zrc_ram_std.asm

@@ -1,32 +1,52 @@
 ;
 ;==================================================================================================
-;   RCBUS Z80 ZRC CONFIGURATION
+;   ROMWBW DEFAULT BUILD SETTINGS FOR RCBUS Z80 ROMLESS ZRC
 ;==================================================================================================
 ;
-; THE COMPLETE SET OF DEFAULT CONFIGURATION SETTINGS FOR THIS PLATFORM ARE FOUND IN THE
-; CFG_<PLT>.ASM INCLUDED FILE WHICH IS FOUND IN THE PARENT DIRECTORY.  THIS FILE CONTAINS
-; COMMON CONFIGURATION SETTINGS THAT OVERRIDE THE DEFAULTS.  IT IS INTENDED THAT YOU MAKE
-; YOUR CUSTOMIZATIONS IN THIS FILE AND JUST INHERIT ALL OTHER SETTINGS FROM THE DEFAULTS.
-; EVEN BETTER, YOU CAN MAKE A COPY OF THIS FILE WITH A NAME LIKE <PLT>_XXX.ASM AND SPECIFY
-; YOUR FILE IN THE BUILD PROCESS.
+; THIS FILE DEFINES THE DEFAULT CONFIGURATION SETTINGS FOR THE PLATFORM
+; INDICATED ABOVE.  THESE SETTINGS DEFINE THE OFFICIAL BUILD FOR THIS
+; PLATFORM AS DISTRIBUTED IN ROMWBW RELEASES.
 ;
-; THE SETTINGS BELOW ARE THE SETTINGS THAT ARE MOST COMMONLY MODIFIED FOR THIS PLATFORM.
-; MANY OF THEM ARE EQUAL TO THE SETTINGS IN THE INCLUDED FILE, SO THEY DON'T REALLY DO
-; ANYTHING AS IS.  THEY ARE LISTED HERE TO MAKE IT EASY FOR YOU TO ADJUST THE MOST COMMON
-; SETTINGS.
+; ROMWBW USES CASCADING CONFIGURATION FILES AS INDICATED BELOW:
 ;
-; N.B., SINCE THE SETTINGS BELOW ARE REDEFINING VALUES ALREADY SET IN THE INCLUDED FILE,
-; TASM INSISTS THAT YOU USE THE .SET OPERATOR AND NOT THE .EQU OPERATOR BELOW. ATTEMPTING
-; TO REDEFINE A VALUE WITH .EQU BELOW WILL CAUSE TASM ERRORS!
+; cfg_MASTER.asm			- MASTER: CONFIGURATION FILE DEFINES ALL POSSIBLE ROMWBW SETTINGS
+; |
+; +-> cfg_<platform>.asm		- PLATFORM: DEFAULT SETTINGS FOR SPECIFIC PLATFORM
+;     |
+;     +-> Config/<plt>_std.asm		- BUILD: SETTINGS FOR EACH OFFICIAL DIST BUILD
+;         |
+;         +-> Config/<plt>_<cust>.asm	- USER: CUSTOM USER BUILD SETTINGS
 ;
-; PLEASE REFER TO THE CUSTOM BUILD INSTRUCTIONS (README.TXT) IN THE SOURCE DIRECTORY (TWO
-; DIRECTORIES ABOVE THIS ONE).
+; THE TOP (MASTER CONFIGURATION) FILE DEFINES ALL POSSIBLE ROMWBW
+; CONFIGURATION SETTINGS. EACH FILE BELOW THE MASTER CONFIGURATION FILE
+; INHERITS THE CUMULATIVE SETTINGS OF THE FILES ABOVE IT AND MAY
+; OVERRIDE THESE SETTINGS AS DESIRED.
+;
+; OTHER THAN THE TOP MASTER FILE, EACH FILE MUST "#INCLUDE" ITS PARENT
+; FILE (SEE #INCLUDE STATEMENT BELOW).  THE TOP TWO FILES SHOULD NOT BE
+; MODIFIED.
+;
+; TO CUSTOMIZE YOUR BUILD SETTINGS YOU SHOULD MODIFY THIS FILE, THE
+; DEFAULT BUILD SETTINGS (Config/<platform>_std.asm) OR PREFERABLY
+; CREATE AN OPTIONAL CUSTOM USER SETTINGS FILE THAT INCLUDES THE DEFAULT
+; BUILD SETTINGS FILE (SEE EXAMPLE Config/SBC_user.asm).
+;
+; BY CREATING A CUSTOM USER SETTINGS FILE, YOU ARE LESS LIKELY TO BE
+; IMPACTED BY FUTURE CHANGES BECAUSE YOU WILL BE INHERITING MOST
+; OF YOUR SETTINGS WHICH WILL BE UPDATED BY AUTHORS AS ROMWBW EVOLVES.
+;
+; PLEASE REFER TO THE CUSTOM BUILD INSTRUCTIONS (README.TXT) IN THE
+; SOURCE DIRECTORY (TWO DIRECTORIES ABOVE THIS ONE).
+;
+; *** WARNING: ASIDE FROM THE MASTER CONFIGURATION FILE, YOU MUST USE
+; ".SET" TO OVERRIDE SETTINGS.  THE ASSEMBLER WILL ERROR IF YOU ATTEMPT
+; TO USE ".EQU" BECAUSE IT WON'T LET YOU REDEFINE A SETTING WITH ".EQU".
 ;
 #DEFINE PLATFORM_NAME "ZRC", " [", CONFIG, "]"
 ;
 #DEFINE	BOOT_DEFAULT	"H"		; DEFAULT BOOT LOADER CMD ON <CR> OR AUTO BOOT
 ;
-#include "cfg_rcz80.asm"
+#include "cfg_RCZ80.asm"
 ;
 CPUOSC		.SET	14745600	; CPU OSC FREQ IN MHZ
 CRTACT		.SET	FALSE		; ACTIVATE CRT (VDU,CVDU,PROPIO,ETC) AT STARTUP

Source/HBIOS/Config/RCZ80_zrc_std.asm

@@ -1,32 +1,52 @@
 ;
 ;==================================================================================================
-;   RCBUS Z80 ZRC CONFIGURATION
+;   ROMWBW DEFAULT BUILD SETTINGS FOR RCBUS Z80 ZRC
 ;==================================================================================================
 ;
-; THE COMPLETE SET OF DEFAULT CONFIGURATION SETTINGS FOR THIS PLATFORM ARE FOUND IN THE
-; CFG_<PLT>.ASM INCLUDED FILE WHICH IS FOUND IN THE PARENT DIRECTORY.  THIS FILE CONTAINS
-; COMMON CONFIGURATION SETTINGS THAT OVERRIDE THE DEFAULTS.  IT IS INTENDED THAT YOU MAKE
-; YOUR CUSTOMIZATIONS IN THIS FILE AND JUST INHERIT ALL OTHER SETTINGS FROM THE DEFAULTS.
-; EVEN BETTER, YOU CAN MAKE A COPY OF THIS FILE WITH A NAME LIKE <PLT>_XXX.ASM AND SPECIFY
-; YOUR FILE IN THE BUILD PROCESS.
+; THIS FILE DEFINES THE DEFAULT CONFIGURATION SETTINGS FOR THE PLATFORM
+; INDICATED ABOVE.  THESE SETTINGS DEFINE THE OFFICIAL BUILD FOR THIS
+; PLATFORM AS DISTRIBUTED IN ROMWBW RELEASES.
 ;
-; THE SETTINGS BELOW ARE THE SETTINGS THAT ARE MOST COMMONLY MODIFIED FOR THIS PLATFORM.
-; MANY OF THEM ARE EQUAL TO THE SETTINGS IN THE INCLUDED FILE, SO THEY DON'T REALLY DO
-; ANYTHING AS IS.  THEY ARE LISTED HERE TO MAKE IT EASY FOR YOU TO ADJUST THE MOST COMMON
-; SETTINGS.
+; ROMWBW USES CASCADING CONFIGURATION FILES AS INDICATED BELOW:
 ;
-; N.B., SINCE THE SETTINGS BELOW ARE REDEFINING VALUES ALREADY SET IN THE INCLUDED FILE,
-; TASM INSISTS THAT YOU USE THE .SET OPERATOR AND NOT THE .EQU OPERATOR BELOW. ATTEMPTING
-; TO REDEFINE A VALUE WITH .EQU BELOW WILL CAUSE TASM ERRORS!
+; cfg_MASTER.asm			- MASTER: CONFIGURATION FILE DEFINES ALL POSSIBLE ROMWBW SETTINGS
+; |
+; +-> cfg_<platform>.asm		- PLATFORM: DEFAULT SETTINGS FOR SPECIFIC PLATFORM
+;     |
+;     +-> Config/<plt>_std.asm		- BUILD: SETTINGS FOR EACH OFFICIAL DIST BUILD
+;         |
+;         +-> Config/<plt>_<cust>.asm	- USER: CUSTOM USER BUILD SETTINGS
 ;
-; PLEASE REFER TO THE CUSTOM BUILD INSTRUCTIONS (README.TXT) IN THE SOURCE DIRECTORY (TWO
-; DIRECTORIES ABOVE THIS ONE).
+; THE TOP (MASTER CONFIGURATION) FILE DEFINES ALL POSSIBLE ROMWBW
+; CONFIGURATION SETTINGS. EACH FILE BELOW THE MASTER CONFIGURATION FILE
+; INHERITS THE CUMULATIVE SETTINGS OF THE FILES ABOVE IT AND MAY
+; OVERRIDE THESE SETTINGS AS DESIRED.
+;
+; OTHER THAN THE TOP MASTER FILE, EACH FILE MUST "#INCLUDE" ITS PARENT
+; FILE (SEE #INCLUDE STATEMENT BELOW).  THE TOP TWO FILES SHOULD NOT BE
+; MODIFIED.
+;
+; TO CUSTOMIZE YOUR BUILD SETTINGS YOU SHOULD MODIFY THIS FILE, THE
+; DEFAULT BUILD SETTINGS (Config/<platform>_std.asm) OR PREFERABLY
+; CREATE AN OPTIONAL CUSTOM USER SETTINGS FILE THAT INCLUDES THE DEFAULT
+; BUILD SETTINGS FILE (SEE EXAMPLE Config/SBC_user.asm).
+;
+; BY CREATING A CUSTOM USER SETTINGS FILE, YOU ARE LESS LIKELY TO BE
+; IMPACTED BY FUTURE CHANGES BECAUSE YOU WILL BE INHERITING MOST
+; OF YOUR SETTINGS WHICH WILL BE UPDATED BY AUTHORS AS ROMWBW EVOLVES.
+;
+; PLEASE REFER TO THE CUSTOM BUILD INSTRUCTIONS (README.TXT) IN THE
+; SOURCE DIRECTORY (TWO DIRECTORIES ABOVE THIS ONE).
+;
+; *** WARNING: ASIDE FROM THE MASTER CONFIGURATION FILE, YOU MUST USE
+; ".SET" TO OVERRIDE SETTINGS.  THE ASSEMBLER WILL ERROR IF YOU ATTEMPT
+; TO USE ".EQU" BECAUSE IT WON'T LET YOU REDEFINE A SETTING WITH ".EQU".
 ;
 #DEFINE PLATFORM_NAME "ZRC", " [", CONFIG, "]"
 ;
 #DEFINE	BOOT_DEFAULT	"H"		; DEFAULT BOOT LOADER CMD ON <CR> OR AUTO BOOT
 ;
-#include "cfg_rcz80.asm"
+#include "cfg_RCZ80.asm"
 ;
 CPUOSC		.SET	14745600	; CPU OSC FREQ IN MHZ
 CRTACT		.SET	FALSE		; ACTIVATE CRT (VDU,CVDU,PROPIO,ETC) AT STARTUP

Source/HBIOS/Config/RPH_std.asm

@@ -1,30 +1,50 @@
 ;
 ;==================================================================================================
-;   RHYOPHYRE STANDARD CONFIGURATION
+;   ROMWBW DEFAULT BUILD SETTINGS FOR RHYOPHYRE
 ;==================================================================================================
 ;
-; THE COMPLETE SET OF DEFAULT CONFIGURATION SETTINGS FOR THIS PLATFORM ARE FOUND IN THE
-; CFG_<PLT>.ASM INCLUDED FILE WHICH IS FOUND IN THE PARENT DIRECTORY.  THIS FILE CONTAINS
-; COMMON CONFIGURATION SETTINGS THAT OVERRIDE THE DEFAULTS.  IT IS INTENDED THAT YOU MAKE
-; YOUR CUSTOMIZATIONS IN THIS FILE AND JUST INHERIT ALL OTHER SETTINGS FROM THE DEFAULTS.
-; EVEN BETTER, YOU CAN MAKE A COPY OF THIS FILE WITH A NAME LIKE <PLT>_XXX.ASM AND SPECIFY
-; YOUR FILE IN THE BUILD PROCESS.
+; THIS FILE DEFINES THE DEFAULT CONFIGURATION SETTINGS FOR THE PLATFORM
+; INDICATED ABOVE.  THESE SETTINGS DEFINE THE OFFICIAL BUILD FOR THIS
+; PLATFORM AS DISTRIBUTED IN ROMWBW RELEASES.
 ;
-; THE SETTINGS BELOW ARE THE SETTINGS THAT ARE MOST COMMONLY MODIFIED FOR THIS PLATFORM.
-; MANY OF THEM ARE EQUAL TO THE SETTINGS IN THE INCLUDED FILE, SO THEY DON'T REALLY DO
-; ANYTHING AS IS.  THEY ARE LISTED HERE TO MAKE IT EASY FOR YOU TO ADJUST THE MOST COMMON
-; SETTINGS.
+; ROMWBW USES CASCADING CONFIGURATION FILES AS INDICATED BELOW:
 ;
-; N.B., SINCE THE SETTINGS BELOW ARE REDEFINING VALUES ALREADY SET IN THE INCLUDED FILE,
-; TASM INSISTS THAT YOU USE THE .SET OPERATOR AND NOT THE .EQU OPERATOR BELOW. ATTEMPTING
-; TO REDEFINE A VALUE WITH .EQU BELOW WILL CAUSE TASM ERRORS!
+; cfg_MASTER.asm			- MASTER: CONFIGURATION FILE DEFINES ALL POSSIBLE ROMWBW SETTINGS
+; |
+; +-> cfg_<platform>.asm		- PLATFORM: DEFAULT SETTINGS FOR SPECIFIC PLATFORM
+;     |
+;     +-> Config/<plt>_std.asm		- BUILD: SETTINGS FOR EACH OFFICIAL DIST BUILD
+;         |
+;         +-> Config/<plt>_<cust>.asm	- USER: CUSTOM USER BUILD SETTINGS
 ;
-; PLEASE REFER TO THE CUSTOM BUILD INSTRUCTIONS (README.TXT) IN THE SOURCE DIRECTORY (TWO
-; DIRECTORIES ABOVE THIS ONE).
+; THE TOP (MASTER CONFIGURATION) FILE DEFINES ALL POSSIBLE ROMWBW
+; CONFIGURATION SETTINGS. EACH FILE BELOW THE MASTER CONFIGURATION FILE
+; INHERITS THE CUMULATIVE SETTINGS OF THE FILES ABOVE IT AND MAY
+; OVERRIDE THESE SETTINGS AS DESIRED.
+;
+; OTHER THAN THE TOP MASTER FILE, EACH FILE MUST "#INCLUDE" ITS PARENT
+; FILE (SEE #INCLUDE STATEMENT BELOW).  THE TOP TWO FILES SHOULD NOT BE
+; MODIFIED.
+;
+; TO CUSTOMIZE YOUR BUILD SETTINGS YOU SHOULD MODIFY THIS FILE, THE
+; DEFAULT BUILD SETTINGS (Config/<platform>_std.asm) OR PREFERABLY
+; CREATE AN OPTIONAL CUSTOM USER SETTINGS FILE THAT INCLUDES THE DEFAULT
+; BUILD SETTINGS FILE (SEE EXAMPLE Config/SBC_user.asm).
+;
+; BY CREATING A CUSTOM USER SETTINGS FILE, YOU ARE LESS LIKELY TO BE
+; IMPACTED BY FUTURE CHANGES BECAUSE YOU WILL BE INHERITING MOST
+; OF YOUR SETTINGS WHICH WILL BE UPDATED BY AUTHORS AS ROMWBW EVOLVES.
+;
+; PLEASE REFER TO THE CUSTOM BUILD INSTRUCTIONS (README.TXT) IN THE
+; SOURCE DIRECTORY (TWO DIRECTORIES ABOVE THIS ONE).
+;
+; *** WARNING: ASIDE FROM THE MASTER CONFIGURATION FILE, YOU MUST USE
+; ".SET" TO OVERRIDE SETTINGS.  THE ASSEMBLER WILL ERROR IF YOU ATTEMPT
+; TO USE ".EQU" BECAUSE IT WON'T LET YOU REDEFINE A SETTING WITH ".EQU".
 ;
 #DEFINE	BOOT_DEFAULT	"H"		; DEFAULT BOOT LOADER CMD ON <CR> OR AUTO BOOT
 ;
-#include "cfg_rph.asm"
+#include "cfg_RPH.asm"
 ;
 CPUOSC		.SET	18432000	; CPU OSC FREQ IN MHZ
 CRTACT		.SET	FALSE		; ACTIVATE CRT (VDU,CVDU,PROPIO,ETC) AT STARTUP

Source/HBIOS/Config/S100_std.asm

@@ -1,30 +1,50 @@
 ;
 ;==================================================================================================
-;   S100 STANDARD CONFIGURATION
+;   ROMWBW DEFAULT BUILD SETTINGS FOR S100
 ;==================================================================================================
 ;
-; THE COMPLETE SET OF DEFAULT CONFIGURATION SETTINGS FOR THIS PLATFORM ARE FOUND IN THE
-; CFG_<PLT>.ASM INCLUDED FILE WHICH IS FOUND IN THE PARENT DIRECTORY.  THIS FILE CONTAINS
-; COMMON CONFIGURATION SETTINGS THAT OVERRIDE THE DEFAULTS.  IT IS INTENDED THAT YOU MAKE
-; YOUR CUSTOMIZATIONS IN THIS FILE AND JUST INHERIT ALL OTHER SETTINGS FROM THE DEFAULTS.
-; EVEN BETTER, YOU CAN MAKE A COPY OF THIS FILE WITH A NAME LIKE <PLT>_XXX.ASM AND SPECIFY
-; YOUR FILE IN THE BUILD PROCESS.
+; THIS FILE DEFINES THE DEFAULT CONFIGURATION SETTINGS FOR THE PLATFORM
+; INDICATED ABOVE.  THESE SETTINGS DEFINE THE OFFICIAL BUILD FOR THIS
+; PLATFORM AS DISTRIBUTED IN ROMWBW RELEASES.
 ;
-; THE SETTINGS BELOW ARE THE SETTINGS THAT ARE MOST COMMONLY MODIFIED FOR THIS PLATFORM.
-; MANY OF THEM ARE EQUAL TO THE SETTINGS IN THE INCLUDED FILE, SO THEY DON'T REALLY DO
-; ANYTHING AS IS.  THEY ARE LISTED HERE TO MAKE IT EASY FOR YOU TO ADJUST THE MOST COMMON
-; SETTINGS.
+; ROMWBW USES CASCADING CONFIGURATION FILES AS INDICATED BELOW:
 ;
-; N.B., SINCE THE SETTINGS BELOW ARE REDEFINING VALUES ALREADY SET IN THE INCLUDED FILE,
-; TASM INSISTS THAT YOU USE THE .SET OPERATOR AND NOT THE .EQU OPERATOR BELOW. ATTEMPTING
-; TO REDEFINE A VALUE WITH .EQU BELOW WILL CAUSE TASM ERRORS!
+; cfg_MASTER.asm			- MASTER: CONFIGURATION FILE DEFINES ALL POSSIBLE ROMWBW SETTINGS
+; |
+; +-> cfg_<platform>.asm		- PLATFORM: DEFAULT SETTINGS FOR SPECIFIC PLATFORM
+;     |
+;     +-> Config/<plt>_std.asm		- BUILD: SETTINGS FOR EACH OFFICIAL DIST BUILD
+;         |
+;         +-> Config/<plt>_<cust>.asm	- USER: CUSTOM USER BUILD SETTINGS
 ;
-; PLEASE REFER TO THE CUSTOM BUILD INSTRUCTIONS (README.TXT) IN THE SOURCE DIRECTORY (TWO
-; DIRECTORIES ABOVE THIS ONE).
+; THE TOP (MASTER CONFIGURATION) FILE DEFINES ALL POSSIBLE ROMWBW
+; CONFIGURATION SETTINGS. EACH FILE BELOW THE MASTER CONFIGURATION FILE
+; INHERITS THE CUMULATIVE SETTINGS OF THE FILES ABOVE IT AND MAY
+; OVERRIDE THESE SETTINGS AS DESIRED.
+;
+; OTHER THAN THE TOP MASTER FILE, EACH FILE MUST "#INCLUDE" ITS PARENT
+; FILE (SEE #INCLUDE STATEMENT BELOW).  THE TOP TWO FILES SHOULD NOT BE
+; MODIFIED.
+;
+; TO CUSTOMIZE YOUR BUILD SETTINGS YOU SHOULD MODIFY THIS FILE, THE
+; DEFAULT BUILD SETTINGS (Config/<platform>_std.asm) OR PREFERABLY
+; CREATE AN OPTIONAL CUSTOM USER SETTINGS FILE THAT INCLUDES THE DEFAULT
+; BUILD SETTINGS FILE (SEE EXAMPLE Config/SBC_user.asm).
+;
+; BY CREATING A CUSTOM USER SETTINGS FILE, YOU ARE LESS LIKELY TO BE
+; IMPACTED BY FUTURE CHANGES BECAUSE YOU WILL BE INHERITING MOST
+; OF YOUR SETTINGS WHICH WILL BE UPDATED BY AUTHORS AS ROMWBW EVOLVES.
+;
+; PLEASE REFER TO THE CUSTOM BUILD INSTRUCTIONS (README.TXT) IN THE
+; SOURCE DIRECTORY (TWO DIRECTORIES ABOVE THIS ONE).
+;
+; *** WARNING: ASIDE FROM THE MASTER CONFIGURATION FILE, YOU MUST USE
+; ".SET" TO OVERRIDE SETTINGS.  THE ASSEMBLER WILL ERROR IF YOU ATTEMPT
+; TO USE ".EQU" BECAUSE IT WON'T LET YOU REDEFINE A SETTING WITH ".EQU".
 ;
 #DEFINE	BOOT_DEFAULT	"H"		; DEFAULT BOOT LOADER CMD ON <CR> OR AUTO BOOT
 ;
-#include "cfg_s100.asm"
+#include "cfg_S100.asm"
 ;
 CPUOSC		.SET	18432000	; CPU OSC FREQ IN MHZ
 CRTACT		.SET	TRUE		; ACTIVATE CRT (VDU,CVDU,PROPIO,ETC) AT STARTUP

Source/HBIOS/Config/SBC_max.asm

@@ -27,7 +27,7 @@
 ;
 #DEFINE	BOOT_DEFAULT	"H"		; DEFAULT BOOT LOADER CMD ON <CR> OR AUTO BOOT
 ;
-#include "cfg_sbc.asm"
+#include "cfg_SBC.asm"
 ;
 BATCOND		.SET	TRUE		; ENABLE LOW BATTERY WARNING MESSAGE
 HBIOS_MUTEX	.SET	TRUE		; ENABLE REENTRANT CALLS TO HBIOS (ADDS OVERHEAD)

Source/HBIOS/Config/SBC_simh.asm

@@ -24,7 +24,7 @@
 ;
 #DEFINE	BOOT_DEFAULT	"H"		; DEFAULT BOOT LOADER CMD ON <CR> OR AUTO BOOT
 ;
-#include "cfg_sbc.asm"
+#include "cfg_SBC.asm"
 ;
 INTMODE		.SET	1		; INTERRUPTS: 0=NONE, 1=MODE 1, 2=MODE 2
 ;
@@ -33,7 +33,15 @@ HTIMENABLE	.SET	TRUE		; ENABLE SIMH TIMER SUPPORT
 SIMRTCENABLE	.SET	TRUE		; ENABLE SIMH CLOCK DRIVER (SIMRTC.ASM)
 DSRTCENABLE	.SET	FALSE		; DSRTC: ENABLE DS-1302 CLOCK DRIVER (DSRTC.ASM)
 ;
-UARTENABLE	.SET	TRUE		; UART: ENABLE 8250/16550-LIKE SERIAL DRIVER (UART.ASM)
-UARTSBCFORCE	.SET	TRUE		; UART: FORCE DETECTION OF SBC UART (FOR SIMH)
+UARTENABLE	.SET	FALSE		; UART: ENABLE 8250/16550-LIKE SERIAL DRIVER (UART.ASM)
+;
+SSERENABLE	.SET	TRUE		; SSER: ENABLE SIMPLE SERIAL DRIVER (SSER.ASM)
+SSERCFG		.SET	SER_9600_8N1	; SSER: SERIAL LINE CONFIG
+SSERSTATUS	.SET	$6D		; SSER: STATUS PORT
+SSERDATA	.SET	$68		; SSER: DATA PORT
+SSERIRDY	.SET	%00000001	; SSER: INPUT READY BIT MASK
+SSERIINV	.SET	FALSE		; SSER: INPUT READY BIT INVERTED
+SSERORDY	.SET	%00100000	; SSER: OUTPUT READY BIT MASK
+SSEROINV	.SET	FALSE		; SSER: OUTPUT READY BIT INVERTED
 ;
 HDSKENABLE	.SET	TRUE		; HDSK: ENABLE SIMH HDSK DISK DRIVER (HDSK.ASM)

Source/HBIOS/Config/SBC_std.asm

@@ -1,41 +1,56 @@
 ;
 ;==================================================================================================
-;   SBC STANDARD CONFIGURATION
+;   ROMWBW DEFAULT BUILD SETTINGS FOR N8VEM SBC
 ;==================================================================================================
 ;
-; THE COMPLETE SET OF DEFAULT CONFIGURATION SETTINGS FOR THIS PLATFORM ARE FOUND IN THE
-; CFG_<PLT>.ASM INCLUDED FILE WHICH IS FOUND IN THE PARENT DIRECTORY.  THIS FILE CONTAINS
-; COMMON CONFIGURATION SETTINGS THAT OVERRIDE THE DEFAULTS.  IT IS INTENDED THAT YOU MAKE
-; YOUR CUSTOMIZATIONS IN THIS FILE AND JUST INHERIT ALL OTHER SETTINGS FROM THE DEFAULTS.
-; EVEN BETTER, YOU CAN MAKE A COPY OF THIS FILE WITH A NAME LIKE <PLT>_XXX.ASM AND SPECIFY
-; YOUR FILE IN THE BUILD PROCESS.
+; THIS FILE DEFINES THE DEFAULT CONFIGURATION SETTINGS FOR THE PLATFORM
+; INDICATED ABOVE.  THESE SETTINGS DEFINE THE OFFICIAL BUILD FOR THIS
+; PLATFORM AS DISTRIBUTED IN ROMWBW RELEASES.
 ;
-; THE SETTINGS BELOW ARE THE SETTINGS THAT ARE MOST COMMONLY MODIFIED FOR THIS PLATFORM.
-; MANY OF THEM ARE EQUAL TO THE SETTINGS IN THE INCLUDED FILE, SO THEY DON'T REALLY DO
-; ANYTHING AS IS.  THEY ARE LISTED HERE TO MAKE IT EASY FOR YOU TO ADJUST THE MOST COMMON
-; SETTINGS.
+; ROMWBW USES CASCADING CONFIGURATION FILES AS INDICATED BELOW:
 ;
-; N.B., SINCE THE SETTINGS BELOW ARE REDEFINING VALUES ALREADY SET IN THE INCLUDED FILE,
-; TASM INSISTS THAT YOU USE THE .SET OPERATOR AND NOT THE .EQU OPERATOR BELOW. ATTEMPTING
-; TO REDEFINE A VALUE WITH .EQU BELOW WILL CAUSE TASM ERRORS!
+; cfg_MASTER.asm			- MASTER: CONFIGURATION FILE DEFINES ALL POSSIBLE ROMWBW SETTINGS
+; |
+; +-> cfg_<platform>.asm		- PLATFORM: DEFAULT SETTINGS FOR SPECIFIC PLATFORM
+;     |
+;     +-> Config/<plt>_std.asm		- BUILD: SETTINGS FOR EACH OFFICIAL DIST BUILD
+;         |
+;         +-> Config/<plt>_<cust>.asm	- USER: CUSTOM USER BUILD SETTINGS
 ;
-; PLEASE REFER TO THE CUSTOM BUILD INSTRUCTIONS (README.TXT) IN THE SOURCE DIRECTORY (TWO
-; DIRECTORIES ABOVE THIS ONE).
+; THE TOP (MASTER CONFIGURATION) FILE DEFINES ALL POSSIBLE ROMWBW
+; CONFIGURATION SETTINGS. EACH FILE BELOW THE MASTER CONFIGURATION FILE
+; INHERITS THE CUMULATIVE SETTINGS OF THE FILES ABOVE IT AND MAY
+; OVERRIDE THESE SETTINGS AS DESIRED.
+;
+; OTHER THAN THE TOP MASTER FILE, EACH FILE MUST "#INCLUDE" ITS PARENT
+; FILE (SEE #INCLUDE STATEMENT BELOW).  THE TOP TWO FILES SHOULD NOT BE
+; MODIFIED.
+;
+; TO CUSTOMIZE YOUR BUILD SETTINGS YOU SHOULD MODIFY THIS FILE, THE
+; DEFAULT BUILD SETTINGS (Config/<platform>_std.asm) OR PREFERABLY
+; CREATE AN OPTIONAL CUSTOM USER SETTINGS FILE THAT INCLUDES THE DEFAULT
+; BUILD SETTINGS FILE (SEE EXAMPLE Config/SBC_user.asm).
+;
+; BY CREATING A CUSTOM USER SETTINGS FILE, YOU ARE LESS LIKELY TO BE
+; IMPACTED BY FUTURE CHANGES BECAUSE YOU WILL BE INHERITING MOST
+; OF YOUR SETTINGS WHICH WILL BE UPDATED BY AUTHORS AS ROMWBW EVOLVES.
+;
+; PLEASE REFER TO THE CUSTOM BUILD INSTRUCTIONS (README.TXT) IN THE
+; SOURCE DIRECTORY (TWO DIRECTORIES ABOVE THIS ONE).
+;
+; *** WARNING: ASIDE FROM THE MASTER CONFIGURATION FILE, YOU MUST USE
+; ".SET" TO OVERRIDE SETTINGS.  THE ASSEMBLER WILL ERROR IF YOU ATTEMPT
+; TO USE ".EQU" BECAUSE IT WON'T LET YOU REDEFINE A SETTING WITH ".EQU".
 ;
 #DEFINE	BOOT_DEFAULT	"H"		; DEFAULT BOOT LOADER CMD ON <CR> OR AUTO BOOT
 ;
-#include "cfg_sbc.asm"
+#include "cfg_SBC.asm"
 ;
 CPUOSC		.SET	8000000		; CPU OSC FREQ IN MHZ
 INTMODE		.SET	0		; INTERRUPTS: 0=NONE, 1=MODE 1, 2=MODE 2
 CRTACT		.SET	FALSE		; ACTIVATE CRT (VDU,CVDU,PROPIO,ETC) AT STARTUP
 ;
 UARTENABLE	.SET	TRUE		; UART: ENABLE 8250/16550-LIKE SERIAL DRIVER (UART.ASM)
-UARTSBC		.SET	TRUE		; UART: AUTO-DETECT SBC/ZETA ONBOARD UART
-UARTCAS		.SET	TRUE		; UART: AUTO-DETECT ECB CASSETTE UART
-UARTMFP		.SET	TRUE		; UART: AUTO-DETECT MF/PIC UART
-UART4		.SET	TRUE		; UART: AUTO-DETECT 4UART UART
-UARTRC		.SET	FALSE		; UART: AUTO-DETECT RC UART
 SIOENABLE	.SET	TRUE		; SIO: ENABLE ZILOG SIO SERIAL DRIVER (SIO.ASM)
 ;
 TMSENABLE	.SET	FALSE		; TMS: ENABLE TMS9918 VIDEO/KBD DRIVER (TMS.ASM)

Source/HBIOS/Config/SCZ180_sc126_std.asm

@@ -1,32 +1,52 @@
 ;
 ;==================================================================================================
-;   SC126 STANDARD CONFIGURATION
+;   ROMWBW DEFAULT BUILD SETTINGS FOR SC126
 ;==================================================================================================
 ;
-; THE COMPLETE SET OF DEFAULT CONFIGURATION SETTINGS FOR THIS PLATFORM ARE FOUND IN THE
-; CFG_<PLT>.ASM INCLUDED FILE WHICH IS FOUND IN THE PARENT DIRECTORY.  THIS FILE CONTAINS
-; COMMON CONFIGURATION SETTINGS THAT OVERRIDE THE DEFAULTS.  IT IS INTENDED THAT YOU MAKE
-; YOUR CUSTOMIZATIONS IN THIS FILE AND JUST INHERIT ALL OTHER SETTINGS FROM THE DEFAULTS.
-; EVEN BETTER, YOU CAN MAKE A COPY OF THIS FILE WITH A NAME LIKE <PLT>_XXX.ASM AND SPECIFY
-; YOUR FILE IN THE BUILD PROCESS.
+; THIS FILE DEFINES THE DEFAULT CONFIGURATION SETTINGS FOR THE PLATFORM
+; INDICATED ABOVE.  THESE SETTINGS DEFINE THE OFFICIAL BUILD FOR THIS
+; PLATFORM AS DISTRIBUTED IN ROMWBW RELEASES.
 ;
-; THE SETTINGS BELOW ARE THE SETTINGS THAT ARE MOST COMMONLY MODIFIED FOR THIS PLATFORM.
-; MANY OF THEM ARE EQUAL TO THE SETTINGS IN THE INCLUDED FILE, SO THEY DON'T REALLY DO
-; ANYTHING AS IS.  THEY ARE LISTED HERE TO MAKE IT EASY FOR YOU TO ADJUST THE MOST COMMON
-; SETTINGS.
+; ROMWBW USES CASCADING CONFIGURATION FILES AS INDICATED BELOW:
 ;
-; N.B., SINCE THE SETTINGS BELOW ARE REDEFINING VALUES ALREADY SET IN THE INCLUDED FILE,
-; TASM INSISTS THAT YOU USE THE .SET OPERATOR AND NOT THE .EQU OPERATOR BELOW. ATTEMPTING
-; TO REDEFINE A VALUE WITH .EQU BELOW WILL CAUSE TASM ERRORS!
+; cfg_MASTER.asm			- MASTER: CONFIGURATION FILE DEFINES ALL POSSIBLE ROMWBW SETTINGS
+; |
+; +-> cfg_<platform>.asm		- PLATFORM: DEFAULT SETTINGS FOR SPECIFIC PLATFORM
+;     |
+;     +-> Config/<plt>_std.asm		- BUILD: SETTINGS FOR EACH OFFICIAL DIST BUILD
+;         |
+;         +-> Config/<plt>_<cust>.asm	- USER: CUSTOM USER BUILD SETTINGS
 ;
-; PLEASE REFER TO THE CUSTOM BUILD INSTRUCTIONS (README.TXT) IN THE SOURCE DIRECTORY (TWO
-; DIRECTORIES ABOVE THIS ONE).
+; THE TOP (MASTER CONFIGURATION) FILE DEFINES ALL POSSIBLE ROMWBW
+; CONFIGURATION SETTINGS. EACH FILE BELOW THE MASTER CONFIGURATION FILE
+; INHERITS THE CUMULATIVE SETTINGS OF THE FILES ABOVE IT AND MAY
+; OVERRIDE THESE SETTINGS AS DESIRED.
+;
+; OTHER THAN THE TOP MASTER FILE, EACH FILE MUST "#INCLUDE" ITS PARENT
+; FILE (SEE #INCLUDE STATEMENT BELOW).  THE TOP TWO FILES SHOULD NOT BE
+; MODIFIED.
+;
+; TO CUSTOMIZE YOUR BUILD SETTINGS YOU SHOULD MODIFY THIS FILE, THE
+; DEFAULT BUILD SETTINGS (Config/<platform>_std.asm) OR PREFERABLY
+; CREATE AN OPTIONAL CUSTOM USER SETTINGS FILE THAT INCLUDES THE DEFAULT
+; BUILD SETTINGS FILE (SEE EXAMPLE Config/SBC_user.asm).
+;
+; BY CREATING A CUSTOM USER SETTINGS FILE, YOU ARE LESS LIKELY TO BE
+; IMPACTED BY FUTURE CHANGES BECAUSE YOU WILL BE INHERITING MOST
+; OF YOUR SETTINGS WHICH WILL BE UPDATED BY AUTHORS AS ROMWBW EVOLVES.
+;
+; PLEASE REFER TO THE CUSTOM BUILD INSTRUCTIONS (README.TXT) IN THE
+; SOURCE DIRECTORY (TWO DIRECTORIES ABOVE THIS ONE).
+;
+; *** WARNING: ASIDE FROM THE MASTER CONFIGURATION FILE, YOU MUST USE
+; ".SET" TO OVERRIDE SETTINGS.  THE ASSEMBLER WILL ERROR IF YOU ATTEMPT
+; TO USE ".EQU" BECAUSE IT WON'T LET YOU REDEFINE A SETTING WITH ".EQU".
 ;
 #DEFINE PLATFORM_NAME "Small Computer SC126", " [", CONFIG, "]"
 ;
 #DEFINE	BOOT_DEFAULT	"H"		; DEFAULT BOOT LOADER CMD ON <CR> OR AUTO BOOT
 ;
-#include "cfg_scz180.asm"
+#include "cfg_SCZ180.asm"
 ;
 CPUOSC		.SET	18432000	; CPU OSC FREQ IN MHZ
 CRTACT		.SET	FALSE		; ACTIVATE CRT (VDU,CVDU,PROPIO,ETC) AT STARTUP

Source/HBIOS/Config/SCZ180_sc130_std.asm

@@ -1,32 +1,52 @@
 ;
 ;==================================================================================================
-;   SC130 STANDARD CONFIGURATION
+;   ROMWBW DEFAULT BUILD SETTINGS FOR SC130
 ;==================================================================================================
 ;
-; THE COMPLETE SET OF DEFAULT CONFIGURATION SETTINGS FOR THIS PLATFORM ARE FOUND IN THE
-; CFG_<PLT>.ASM INCLUDED FILE WHICH IS FOUND IN THE PARENT DIRECTORY.  THIS FILE CONTAINS
-; COMMON CONFIGURATION SETTINGS THAT OVERRIDE THE DEFAULTS.  IT IS INTENDED THAT YOU MAKE
-; YOUR CUSTOMIZATIONS IN THIS FILE AND JUST INHERIT ALL OTHER SETTINGS FROM THE DEFAULTS.
-; EVEN BETTER, YOU CAN MAKE A COPY OF THIS FILE WITH A NAME LIKE <PLT>_XXX.ASM AND SPECIFY
-; YOUR FILE IN THE BUILD PROCESS.
+; THIS FILE DEFINES THE DEFAULT CONFIGURATION SETTINGS FOR THE PLATFORM
+; INDICATED ABOVE.  THESE SETTINGS DEFINE THE OFFICIAL BUILD FOR THIS
+; PLATFORM AS DISTRIBUTED IN ROMWBW RELEASES.
 ;
-; THE SETTINGS BELOW ARE THE SETTINGS THAT ARE MOST COMMONLY MODIFIED FOR THIS PLATFORM.
-; MANY OF THEM ARE EQUAL TO THE SETTINGS IN THE INCLUDED FILE, SO THEY DON'T REALLY DO
-; ANYTHING AS IS.  THEY ARE LISTED HERE TO MAKE IT EASY FOR YOU TO ADJUST THE MOST COMMON
-; SETTINGS.
+; ROMWBW USES CASCADING CONFIGURATION FILES AS INDICATED BELOW:
 ;
-; N.B., SINCE THE SETTINGS BELOW ARE REDEFINING VALUES ALREADY SET IN THE INCLUDED FILE,
-; TASM INSISTS THAT YOU USE THE .SET OPERATOR AND NOT THE .EQU OPERATOR BELOW. ATTEMPTING
-; TO REDEFINE A VALUE WITH .EQU BELOW WILL CAUSE TASM ERRORS!
+; cfg_MASTER.asm			- MASTER: CONFIGURATION FILE DEFINES ALL POSSIBLE ROMWBW SETTINGS
+; |
+; +-> cfg_<platform>.asm		- PLATFORM: DEFAULT SETTINGS FOR SPECIFIC PLATFORM
+;     |
+;     +-> Config/<plt>_std.asm		- BUILD: SETTINGS FOR EACH OFFICIAL DIST BUILD
+;         |
+;         +-> Config/<plt>_<cust>.asm	- USER: CUSTOM USER BUILD SETTINGS
 ;
-; PLEASE REFER TO THE CUSTOM BUILD INSTRUCTIONS (README.TXT) IN THE SOURCE DIRECTORY (TWO
-; DIRECTORIES ABOVE THIS ONE).
+; THE TOP (MASTER CONFIGURATION) FILE DEFINES ALL POSSIBLE ROMWBW
+; CONFIGURATION SETTINGS. EACH FILE BELOW THE MASTER CONFIGURATION FILE
+; INHERITS THE CUMULATIVE SETTINGS OF THE FILES ABOVE IT AND MAY
+; OVERRIDE THESE SETTINGS AS DESIRED.
+;
+; OTHER THAN THE TOP MASTER FILE, EACH FILE MUST "#INCLUDE" ITS PARENT
+; FILE (SEE #INCLUDE STATEMENT BELOW).  THE TOP TWO FILES SHOULD NOT BE
+; MODIFIED.
+;
+; TO CUSTOMIZE YOUR BUILD SETTINGS YOU SHOULD MODIFY THIS FILE, THE
+; DEFAULT BUILD SETTINGS (Config/<platform>_std.asm) OR PREFERABLY
+; CREATE AN OPTIONAL CUSTOM USER SETTINGS FILE THAT INCLUDES THE DEFAULT
+; BUILD SETTINGS FILE (SEE EXAMPLE Config/SBC_user.asm).
+;
+; BY CREATING A CUSTOM USER SETTINGS FILE, YOU ARE LESS LIKELY TO BE
+; IMPACTED BY FUTURE CHANGES BECAUSE YOU WILL BE INHERITING MOST
+; OF YOUR SETTINGS WHICH WILL BE UPDATED BY AUTHORS AS ROMWBW EVOLVES.
+;
+; PLEASE REFER TO THE CUSTOM BUILD INSTRUCTIONS (README.TXT) IN THE
+; SOURCE DIRECTORY (TWO DIRECTORIES ABOVE THIS ONE).
+;
+; *** WARNING: ASIDE FROM THE MASTER CONFIGURATION FILE, YOU MUST USE
+; ".SET" TO OVERRIDE SETTINGS.  THE ASSEMBLER WILL ERROR IF YOU ATTEMPT
+; TO USE ".EQU" BECAUSE IT WON'T LET YOU REDEFINE A SETTING WITH ".EQU".
 ;
 #DEFINE PLATFORM_NAME "Small Computer SC130", " [", CONFIG, "]"
 ;
 #DEFINE	BOOT_DEFAULT	"H"		; DEFAULT BOOT LOADER CMD ON <CR> OR AUTO BOOT
 ;
-#include "cfg_scz180.asm"
+#include "cfg_SCZ180.asm"
 ;
 CPUOSC		.SET	18432000	; CPU OSC FREQ IN MHZ
 CRTACT		.SET	FALSE		; ACTIVATE CRT (VDU,CVDU,PROPIO,ETC) AT STARTUP

Source/HBIOS/Config/SCZ180_sc131.asm

@@ -1,55 +0,0 @@
-;
-;==================================================================================================
-;   SC131 STANDARD CONFIGURATION
-;==================================================================================================
-;
-; THE COMPLETE SET OF DEFAULT CONFIGURATION SETTINGS FOR THIS PLATFORM ARE FOUND IN THE
-; CFG_<PLT>.ASM INCLUDED FILE WHICH IS FOUND IN THE PARENT DIRECTORY.  THIS FILE CONTAINS
-; COMMON CONFIGURATION SETTINGS THAT OVERRIDE THE DEFAULTS.  IT IS INTENDED THAT YOU MAKE
-; YOUR CUSTOMIZATIONS IN THIS FILE AND JUST INHERIT ALL OTHER SETTINGS FROM THE DEFAULTS.
-; EVEN BETTER, YOU CAN MAKE A COPY OF THIS FILE WITH A NAME LIKE <PLT>_XXX.ASM AND SPECIFY
-; YOUR FILE IN THE BUILD PROCESS.
-;
-; THE SETTINGS BELOW ARE THE SETTINGS THAT ARE MOST COMMONLY MODIFIED FOR THIS PLATFORM.
-; MANY OF THEM ARE EQUAL TO THE SETTINGS IN THE INCLUDED FILE, SO THEY DON'T REALLY DO
-; ANYTHING AS IS.  THEY ARE LISTED HERE TO MAKE IT EASY FOR YOU TO ADJUST THE MOST COMMON
-; SETTINGS.
-;
-; N.B., SINCE THE SETTINGS BELOW ARE REDEFINING VALUES ALREADY SET IN THE INCLUDED FILE,
-; TASM INSISTS THAT YOU USE THE .SET OPERATOR AND NOT THE .EQU OPERATOR BELOW. ATTEMPTING
-; TO REDEFINE A VALUE WITH .EQU BELOW WILL CAUSE TASM ERRORS!
-;
-; PLEASE REFER TO THE CUSTOM BUILD INSTRUCTIONS (README.TXT) IN THE SOURCE DIRECTORY (TWO
-; DIRECTORIES ABOVE THIS ONE).
-;
-#DEFINE PLATFORM_NAME "Small Computer SC131", " [", CONFIG, "]"
-;
-#DEFINE	BOOT_DEFAULT	"H"		; DEFAULT BOOT LOADER CMD ON <CR> OR AUTO BOOT
-;
-#include "cfg_scz180.asm"
-;
-CPUOSC		.SET	18432000	; CPU OSC FREQ IN MHZ
-;
-Z180_CLKDIV	.SET	1		; Z180: CHK DIV: 0=OSC/2, 1=OSC, 2=OSC*2
-Z180_MEMWAIT	.SET	0		; Z180: MEMORY WAIT STATES (0-3)
-Z180_IOWAIT	.SET	1		; Z180: I/O WAIT STATES TO ADD ABOVE 1 W/S BUILT-IN (0-3)
-;
-FPLED_ENABLE	.SET	FALSE		; FP: ENABLES FRONT PANEL LEDS
-FPSW_ENABLE	.SET	FALSE		; FP: ENABLES FRONT PANEL SWITCHES
-;
-LEDENABLE	.SET	TRUE		; ENABLE STATUS LED (SINGLE LED)
-;
-DSRTCENABLE	.SET	FALSE		; DSRTC: ENABLE DS-1302 CLOCK DRIVER (DSRTC.ASM)
-INTRTCENABLE	.SET	TRUE		; ENABLE PERIODIC INTERRUPT CLOCK DRIVER (INTRTC.ASM)
-;
-UARTENABLE	.SET	FALSE		; UART: ENABLE 8250/16550-LIKE SERIAL DRIVER (UART.ASM)
-ASCIENABLE	.SET	TRUE		; ASCI: ENABLE Z180 ASCI SERIAL DRIVER (ASCI.ASM)
-ACIAENABLE	.SET	FALSE		; ACIA: ENABLE MOTOROLA 6850 ACIA DRIVER (ACIA.ASM)
-SIOENABLE	.SET	FALSE		; SIO: ENABLE ZILOG SIO SERIAL DRIVER (SIO.ASM)
-;
-IDEENABLE	.SET	FALSE		; IDE: ENABLE IDE DISK DRIVER (IDE.ASM)
-PPIDEENABLE	.SET	FALSE		; PPIDE: ENABLE PARALLEL PORT IDE DISK DRIVER (PPIDE.ASM)
-SDENABLE	.SET	TRUE		; SD: ENABLE SD CARD DISK DRIVER (SD.ASM)
-SDMODE		.SET	SDMODE_SC	; SD: DRIVER MODE: SDMODE_[JUHA|N8|CSIO|PPI|UART|DSD|MK4|SC|MT|USR]
-SDCNT		.SET	1		; SD: NUMBER OF SD CARD DEVICES (1-2), FOR DSD & SC ONLY
-CHENABLE	.SET	FALSE		; CH: ENABLE CH375/376 USB SUPPORT

Source/HBIOS/Config/SCZ180_sc131_std.asm

@@ -0,0 +1,75 @@
+;
+;==================================================================================================
+;   ROMWBW DEFAULT BUILD SETTINGS FOR SC131
+;==================================================================================================
+;
+; THIS FILE DEFINES THE DEFAULT CONFIGURATION SETTINGS FOR THE PLATFORM
+; INDICATED ABOVE.  THESE SETTINGS DEFINE THE OFFICIAL BUILD FOR THIS
+; PLATFORM AS DISTRIBUTED IN ROMWBW RELEASES.
+;
+; ROMWBW USES CASCADING CONFIGURATION FILES AS INDICATED BELOW:
+;
+; cfg_MASTER.asm			- MASTER: CONFIGURATION FILE DEFINES ALL POSSIBLE ROMWBW SETTINGS
+; |
+; +-> cfg_<platform>.asm		- PLATFORM: DEFAULT SETTINGS FOR SPECIFIC PLATFORM
+;     |
+;     +-> Config/<plt>_std.asm		- BUILD: SETTINGS FOR EACH OFFICIAL DIST BUILD
+;         |
+;         +-> Config/<plt>_<cust>.asm	- USER: CUSTOM USER BUILD SETTINGS
+;
+; THE TOP (MASTER CONFIGURATION) FILE DEFINES ALL POSSIBLE ROMWBW
+; CONFIGURATION SETTINGS. EACH FILE BELOW THE MASTER CONFIGURATION FILE
+; INHERITS THE CUMULATIVE SETTINGS OF THE FILES ABOVE IT AND MAY
+; OVERRIDE THESE SETTINGS AS DESIRED.
+;
+; OTHER THAN THE TOP MASTER FILE, EACH FILE MUST "#INCLUDE" ITS PARENT
+; FILE (SEE #INCLUDE STATEMENT BELOW).  THE TOP TWO FILES SHOULD NOT BE
+; MODIFIED.
+;
+; TO CUSTOMIZE YOUR BUILD SETTINGS YOU SHOULD MODIFY THIS FILE, THE
+; DEFAULT BUILD SETTINGS (Config/<platform>_std.asm) OR PREFERABLY
+; CREATE AN OPTIONAL CUSTOM USER SETTINGS FILE THAT INCLUDES THE DEFAULT
+; BUILD SETTINGS FILE (SEE EXAMPLE Config/SBC_user.asm).
+;
+; BY CREATING A CUSTOM USER SETTINGS FILE, YOU ARE LESS LIKELY TO BE
+; IMPACTED BY FUTURE CHANGES BECAUSE YOU WILL BE INHERITING MOST
+; OF YOUR SETTINGS WHICH WILL BE UPDATED BY AUTHORS AS ROMWBW EVOLVES.
+;
+; PLEASE REFER TO THE CUSTOM BUILD INSTRUCTIONS (README.TXT) IN THE
+; SOURCE DIRECTORY (TWO DIRECTORIES ABOVE THIS ONE).
+;
+; *** WARNING: ASIDE FROM THE MASTER CONFIGURATION FILE, YOU MUST USE
+; ".SET" TO OVERRIDE SETTINGS.  THE ASSEMBLER WILL ERROR IF YOU ATTEMPT
+; TO USE ".EQU" BECAUSE IT WON'T LET YOU REDEFINE A SETTING WITH ".EQU".
+;
+#DEFINE PLATFORM_NAME "Small Computer SC131", " [", CONFIG, "]"
+;
+#DEFINE	BOOT_DEFAULT	"H"		; DEFAULT BOOT LOADER CMD ON <CR> OR AUTO BOOT
+;
+#include "cfg_SCZ180.asm"
+;
+CPUOSC		.SET	18432000	; CPU OSC FREQ IN MHZ
+;
+Z180_CLKDIV	.SET	1		; Z180: CHK DIV: 0=OSC/2, 1=OSC, 2=OSC*2
+Z180_MEMWAIT	.SET	0		; Z180: MEMORY WAIT STATES (0-3)
+Z180_IOWAIT	.SET	1		; Z180: I/O WAIT STATES TO ADD ABOVE 1 W/S BUILT-IN (0-3)
+;
+FPLED_ENABLE	.SET	FALSE		; FP: ENABLES FRONT PANEL LEDS
+FPSW_ENABLE	.SET	FALSE		; FP: ENABLES FRONT PANEL SWITCHES
+;
+LEDENABLE	.SET	TRUE		; ENABLE STATUS LED (SINGLE LED)
+;
+DSRTCENABLE	.SET	FALSE		; DSRTC: ENABLE DS-1302 CLOCK DRIVER (DSRTC.ASM)
+INTRTCENABLE	.SET	TRUE		; ENABLE PERIODIC INTERRUPT CLOCK DRIVER (INTRTC.ASM)
+;
+UARTENABLE	.SET	FALSE		; UART: ENABLE 8250/16550-LIKE SERIAL DRIVER (UART.ASM)
+ASCIENABLE	.SET	TRUE		; ASCI: ENABLE Z180 ASCI SERIAL DRIVER (ASCI.ASM)
+ACIAENABLE	.SET	FALSE		; ACIA: ENABLE MOTOROLA 6850 ACIA DRIVER (ACIA.ASM)
+SIOENABLE	.SET	FALSE		; SIO: ENABLE ZILOG SIO SERIAL DRIVER (SIO.ASM)
+;
+IDEENABLE	.SET	FALSE		; IDE: ENABLE IDE DISK DRIVER (IDE.ASM)
+PPIDEENABLE	.SET	FALSE		; PPIDE: ENABLE PARALLEL PORT IDE DISK DRIVER (PPIDE.ASM)
+SDENABLE	.SET	TRUE		; SD: ENABLE SD CARD DISK DRIVER (SD.ASM)
+SDMODE		.SET	SDMODE_SC	; SD: DRIVER MODE: SDMODE_[JUHA|N8|CSIO|PPI|UART|DSD|MK4|SC|MT|USR]
+SDCNT		.SET	1		; SD: NUMBER OF SD CARD DEVICES (1-2), FOR DSD & SC ONLY
+CHENABLE	.SET	FALSE		; CH: ENABLE CH375/376 USB SUPPORT

Source/HBIOS/Config/SCZ180_sc140_std.asm

@@ -1,32 +1,52 @@
 ;
 ;==================================================================================================
-;   SC140 STANDARD CONFIGURATION
+;   ROMWBW DEFAULT BUILD SETTINGS FOR PLATFORM: SBC
 ;==================================================================================================
 ;
-; THE COMPLETE SET OF DEFAULT CONFIGURATION SETTINGS FOR THIS PLATFORM ARE FOUND IN THE
-; CFG_<PLT>.ASM INCLUDED FILE WHICH IS FOUND IN THE PARENT DIRECTORY.  THIS FILE CONTAINS
-; COMMON CONFIGURATION SETTINGS THAT OVERRIDE THE DEFAULTS.  IT IS INTENDED THAT YOU MAKE
-; YOUR CUSTOMIZATIONS IN THIS FILE AND JUST INHERIT ALL OTHER SETTINGS FROM THE DEFAULTS.
-; EVEN BETTER, YOU CAN MAKE A COPY OF THIS FILE WITH A NAME LIKE <PLT>_XXX.ASM AND SPECIFY
-; YOUR FILE IN THE BUILD PROCESS.
+; THIS FILE DEFINES THE DEFAULT CONFIGURATION SETTINGS FOR THE PLATFORM
+; INDICATED ABOVE.  THESE SETTINGS DEFINE THE OFFICIAL BUILD FOR THIS
+; PLATFORM AS DISTRIBUTED IN ROMWBW RELEASES.
 ;
-; THE SETTINGS BELOW ARE THE SETTINGS THAT ARE MOST COMMONLY MODIFIED FOR THIS PLATFORM.
-; MANY OF THEM ARE EQUAL TO THE SETTINGS IN THE INCLUDED FILE, SO THEY DON'T REALLY DO
-; ANYTHING AS IS.  THEY ARE LISTED HERE TO MAKE IT EASY FOR YOU TO ADJUST THE MOST COMMON
-; SETTINGS.
+; ROMWBW USES CASCADING CONFIGURATION FILES AS INDICATED BELOW:
 ;
-; N.B., SINCE THE SETTINGS BELOW ARE REDEFINING VALUES ALREADY SET IN THE INCLUDED FILE,
-; TASM INSISTS THAT YOU USE THE .SET OPERATOR AND NOT THE .EQU OPERATOR BELOW. ATTEMPTING
-; TO REDEFINE A VALUE WITH .EQU BELOW WILL CAUSE TASM ERRORS!
+; cfg_MASTER.asm			- MASTER: CONFIGURATION FILE DEFINES ALL POSSIBLE ROMWBW SETTINGS
+; |
+; +-> cfg_<platform>.asm		- PLATFORM: DEFAULT SETTINGS FOR SPECIFIC PLATFORM
+;     |
+;     +-> Config/<plt>_std.asm		- BUILD: SETTINGS FOR EACH OFFICIAL DIST BUILD
+;         |
+;         +-> Config/<plt>_<cust>.asm	- USER: CUSTOM USER BUILD SETTINGS
 ;
-; PLEASE REFER TO THE CUSTOM BUILD INSTRUCTIONS (README.TXT) IN THE SOURCE DIRECTORY (TWO
-; DIRECTORIES ABOVE THIS ONE).
+; THE TOP (MASTER CONFIGURATION) FILE DEFINES ALL POSSIBLE ROMWBW
+; CONFIGURATION SETTINGS. EACH FILE BELOW THE MASTER CONFIGURATION FILE
+; INHERITS THE CUMULATIVE SETTINGS OF THE FILES ABOVE IT AND MAY
+; OVERRIDE THESE SETTINGS AS DESIRED.
+;
+; OTHER THAN THE TOP MASTER FILE, EACH FILE MUST "#INCLUDE" ITS PARENT
+; FILE (SEE #INCLUDE STATEMENT BELOW).  THE TOP TWO FILES SHOULD NOT BE
+; MODIFIED.
+;
+; TO CUSTOMIZE YOUR BUILD SETTINGS YOU SHOULD MODIFY THIS FILE, THE
+; DEFAULT BUILD SETTINGS (Config/<platform>_std.asm) OR PREFERABLY
+; CREATE AN OPTIONAL CUSTOM USER SETTINGS FILE THAT INCLUDES THE DEFAULT
+; BUILD SETTINGS FILE (SEE EXAMPLE Config/SBC_user.asm).
+;
+; BY CREATING A CUSTOM USER SETTINGS FILE, YOU ARE LESS LIKELY TO BE
+; IMPACTED BY FUTURE CHANGES BECAUSE YOU WILL BE INHERITING MOST
+; OF YOUR SETTINGS WHICH WILL BE UPDATED BY AUTHORS AS ROMWBW EVOLVES.
+;
+; PLEASE REFER TO THE CUSTOM BUILD INSTRUCTIONS (README.TXT) IN THE
+; SOURCE DIRECTORY (TWO DIRECTORIES ABOVE THIS ONE).
+;
+; *** WARNING: ASIDE FROM THE MASTER CONFIGURATION FILE, YOU MUST USE
+; ".SET" TO OVERRIDE SETTINGS.  THE ASSEMBLER WILL ERROR IF YOU ATTEMPT
+; TO USE ".EQU" BECAUSE IT WON'T LET YOU REDEFINE A SETTING WITH ".EQU".
 ;
 #DEFINE PLATFORM_NAME "Small Computer SC140", " [", CONFIG, "]"
 ;
 #DEFINE	BOOT_DEFAULT	"H"		; DEFAULT BOOT LOADER CMD ON <CR> OR AUTO BOOT
 ;
-#include "cfg_scz180.asm"
+#include "cfg_SCZ180.asm"
 ;
 CPUOSC		.SET	18432000	; CPU OSC FREQ IN MHZ
 ;

Source/HBIOS/Config/SCZ180_sc503_std.asm

@@ -1,32 +1,52 @@
 ;
 ;==================================================================================================
-;   SC503 STANDARD CONFIGURATION
+;   ROMWBW DEFAULT BUILD SETTINGS FOR SC503
 ;==================================================================================================
 ;
-; THE COMPLETE SET OF DEFAULT CONFIGURATION SETTINGS FOR THIS PLATFORM ARE FOUND IN THE
-; CFG_<PLT>.ASM INCLUDED FILE WHICH IS FOUND IN THE PARENT DIRECTORY.  THIS FILE CONTAINS
-; COMMON CONFIGURATION SETTINGS THAT OVERRIDE THE DEFAULTS.  IT IS INTENDED THAT YOU MAKE
-; YOUR CUSTOMIZATIONS IN THIS FILE AND JUST INHERIT ALL OTHER SETTINGS FROM THE DEFAULTS.
-; EVEN BETTER, YOU CAN MAKE A COPY OF THIS FILE WITH A NAME LIKE <PLT>_XXX.ASM AND SPECIFY
-; YOUR FILE IN THE BUILD PROCESS.
+; THIS FILE DEFINES THE DEFAULT CONFIGURATION SETTINGS FOR THE PLATFORM
+; INDICATED ABOVE.  THESE SETTINGS DEFINE THE OFFICIAL BUILD FOR THIS
+; PLATFORM AS DISTRIBUTED IN ROMWBW RELEASES.
 ;
-; THE SETTINGS BELOW ARE THE SETTINGS THAT ARE MOST COMMONLY MODIFIED FOR THIS PLATFORM.
-; MANY OF THEM ARE EQUAL TO THE SETTINGS IN THE INCLUDED FILE, SO THEY DON'T REALLY DO
-; ANYTHING AS IS.  THEY ARE LISTED HERE TO MAKE IT EASY FOR YOU TO ADJUST THE MOST COMMON
-; SETTINGS.
+; ROMWBW USES CASCADING CONFIGURATION FILES AS INDICATED BELOW:
 ;
-; N.B., SINCE THE SETTINGS BELOW ARE REDEFINING VALUES ALREADY SET IN THE INCLUDED FILE,
-; TASM INSISTS THAT YOU USE THE .SET OPERATOR AND NOT THE .EQU OPERATOR BELOW. ATTEMPTING
-; TO REDEFINE A VALUE WITH .EQU BELOW WILL CAUSE TASM ERRORS!
+; cfg_MASTER.asm			- MASTER: CONFIGURATION FILE DEFINES ALL POSSIBLE ROMWBW SETTINGS
+; |
+; +-> cfg_<platform>.asm		- PLATFORM: DEFAULT SETTINGS FOR SPECIFIC PLATFORM
+;     |
+;     +-> Config/<plt>_std.asm		- BUILD: SETTINGS FOR EACH OFFICIAL DIST BUILD
+;         |
+;         +-> Config/<plt>_<cust>.asm	- USER: CUSTOM USER BUILD SETTINGS
 ;
-; PLEASE REFER TO THE CUSTOM BUILD INSTRUCTIONS (README.TXT) IN THE SOURCE DIRECTORY (TWO
-; DIRECTORIES ABOVE THIS ONE).
+; THE TOP (MASTER CONFIGURATION) FILE DEFINES ALL POSSIBLE ROMWBW
+; CONFIGURATION SETTINGS. EACH FILE BELOW THE MASTER CONFIGURATION FILE
+; INHERITS THE CUMULATIVE SETTINGS OF THE FILES ABOVE IT AND MAY
+; OVERRIDE THESE SETTINGS AS DESIRED.
+;
+; OTHER THAN THE TOP MASTER FILE, EACH FILE MUST "#INCLUDE" ITS PARENT
+; FILE (SEE #INCLUDE STATEMENT BELOW).  THE TOP TWO FILES SHOULD NOT BE
+; MODIFIED.
+;
+; TO CUSTOMIZE YOUR BUILD SETTINGS YOU SHOULD MODIFY THIS FILE, THE
+; DEFAULT BUILD SETTINGS (Config/<platform>_std.asm) OR PREFERABLY
+; CREATE AN OPTIONAL CUSTOM USER SETTINGS FILE THAT INCLUDES THE DEFAULT
+; BUILD SETTINGS FILE (SEE EXAMPLE Config/SBC_user.asm).
+;
+; BY CREATING A CUSTOM USER SETTINGS FILE, YOU ARE LESS LIKELY TO BE
+; IMPACTED BY FUTURE CHANGES BECAUSE YOU WILL BE INHERITING MOST
+; OF YOUR SETTINGS WHICH WILL BE UPDATED BY AUTHORS AS ROMWBW EVOLVES.
+;
+; PLEASE REFER TO THE CUSTOM BUILD INSTRUCTIONS (README.TXT) IN THE
+; SOURCE DIRECTORY (TWO DIRECTORIES ABOVE THIS ONE).
+;
+; *** WARNING: ASIDE FROM THE MASTER CONFIGURATION FILE, YOU MUST USE
+; ".SET" TO OVERRIDE SETTINGS.  THE ASSEMBLER WILL ERROR IF YOU ATTEMPT
+; TO USE ".EQU" BECAUSE IT WON'T LET YOU REDEFINE A SETTING WITH ".EQU".
 ;
 #DEFINE PLATFORM_NAME "Small Computer SC503", " [", CONFIG, "]"
 ;
 #DEFINE	BOOT_DEFAULT	"H"		; DEFAULT BOOT LOADER CMD ON <CR> OR AUTO BOOT
 ;
-#include "cfg_scz180.asm"
+#include "cfg_SCZ180.asm"
 ;
 CPUOSC		.SET	18432000	; CPU OSC FREQ IN MHZ
 ;

Source/HBIOS/Config/SCZ180_sc700_std.asm

@@ -1,32 +1,52 @@
 ;
 ;==================================================================================================
-;   SC700 STANDARD CONFIGURATION
+;   ROMWBW DEFAULT BUILD SETTINGS FOR SC700
 ;==================================================================================================
 ;
-; THE COMPLETE SET OF DEFAULT CONFIGURATION SETTINGS FOR THIS PLATFORM ARE FOUND IN THE
-; CFG_<PLT>.ASM INCLUDED FILE WHICH IS FOUND IN THE PARENT DIRECTORY.  THIS FILE CONTAINS
-; COMMON CONFIGURATION SETTINGS THAT OVERRIDE THE DEFAULTS.  IT IS INTENDED THAT YOU MAKE
-; YOUR CUSTOMIZATIONS IN THIS FILE AND JUST INHERIT ALL OTHER SETTINGS FROM THE DEFAULTS.
-; EVEN BETTER, YOU CAN MAKE A COPY OF THIS FILE WITH A NAME LIKE <PLT>_XXX.ASM AND SPECIFY
-; YOUR FILE IN THE BUILD PROCESS.
+; THIS FILE DEFINES THE DEFAULT CONFIGURATION SETTINGS FOR THE PLATFORM
+; INDICATED ABOVE.  THESE SETTINGS DEFINE THE OFFICIAL BUILD FOR THIS
+; PLATFORM AS DISTRIBUTED IN ROMWBW RELEASES.
 ;
-; THE SETTINGS BELOW ARE THE SETTINGS THAT ARE MOST COMMONLY MODIFIED FOR THIS PLATFORM.
-; MANY OF THEM ARE EQUAL TO THE SETTINGS IN THE INCLUDED FILE, SO THEY DON'T REALLY DO
-; ANYTHING AS IS.  THEY ARE LISTED HERE TO MAKE IT EASY FOR YOU TO ADJUST THE MOST COMMON
-; SETTINGS.
+; ROMWBW USES CASCADING CONFIGURATION FILES AS INDICATED BELOW:
 ;
-; N.B., SINCE THE SETTINGS BELOW ARE REDEFINING VALUES ALREADY SET IN THE INCLUDED FILE,
-; TASM INSISTS THAT YOU USE THE .SET OPERATOR AND NOT THE .EQU OPERATOR BELOW. ATTEMPTING
-; TO REDEFINE A VALUE WITH .EQU BELOW WILL CAUSE TASM ERRORS!
+; cfg_MASTER.asm			- MASTER: CONFIGURATION FILE DEFINES ALL POSSIBLE ROMWBW SETTINGS
+; |
+; +-> cfg_<platform>.asm		- PLATFORM: DEFAULT SETTINGS FOR SPECIFIC PLATFORM
+;     |
+;     +-> Config/<plt>_std.asm		- BUILD: SETTINGS FOR EACH OFFICIAL DIST BUILD
+;         |
+;         +-> Config/<plt>_<cust>.asm	- USER: CUSTOM USER BUILD SETTINGS
 ;
-; PLEASE REFER TO THE CUSTOM BUILD INSTRUCTIONS (README.TXT) IN THE SOURCE DIRECTORY (TWO
-; DIRECTORIES ABOVE THIS ONE).
+; THE TOP (MASTER CONFIGURATION) FILE DEFINES ALL POSSIBLE ROMWBW
+; CONFIGURATION SETTINGS. EACH FILE BELOW THE MASTER CONFIGURATION FILE
+; INHERITS THE CUMULATIVE SETTINGS OF THE FILES ABOVE IT AND MAY
+; OVERRIDE THESE SETTINGS AS DESIRED.
+;
+; OTHER THAN THE TOP MASTER FILE, EACH FILE MUST "#INCLUDE" ITS PARENT
+; FILE (SEE #INCLUDE STATEMENT BELOW).  THE TOP TWO FILES SHOULD NOT BE
+; MODIFIED.
+;
+; TO CUSTOMIZE YOUR BUILD SETTINGS YOU SHOULD MODIFY THIS FILE, THE
+; DEFAULT BUILD SETTINGS (Config/<platform>_std.asm) OR PREFERABLY
+; CREATE AN OPTIONAL CUSTOM USER SETTINGS FILE THAT INCLUDES THE DEFAULT
+; BUILD SETTINGS FILE (SEE EXAMPLE Config/SBC_user.asm).
+;
+; BY CREATING A CUSTOM USER SETTINGS FILE, YOU ARE LESS LIKELY TO BE
+; IMPACTED BY FUTURE CHANGES BECAUSE YOU WILL BE INHERITING MOST
+; OF YOUR SETTINGS WHICH WILL BE UPDATED BY AUTHORS AS ROMWBW EVOLVES.
+;
+; PLEASE REFER TO THE CUSTOM BUILD INSTRUCTIONS (README.TXT) IN THE
+; SOURCE DIRECTORY (TWO DIRECTORIES ABOVE THIS ONE).
+;
+; *** WARNING: ASIDE FROM THE MASTER CONFIGURATION FILE, YOU MUST USE
+; ".SET" TO OVERRIDE SETTINGS.  THE ASSEMBLER WILL ERROR IF YOU ATTEMPT
+; TO USE ".EQU" BECAUSE IT WON'T LET YOU REDEFINE A SETTING WITH ".EQU".
 ;
 #DEFINE PLATFORM_NAME "Small Computer SC700", " [", CONFIG, "]"
 ;
 #DEFINE	BOOT_DEFAULT	"H"		; DEFAULT BOOT LOADER CMD ON <CR> OR AUTO BOOT
 ;
-#include "cfg_scz180.asm"
+#include "cfg_SCZ180.asm"
 ;
 CPUOSC		.SET	18432000	; CPU OSC FREQ IN MHZ
 CRTACT		.SET	FALSE		; ACTIVATE CRT (VDU,CVDU,PROPIO,ETC) AT STARTUP

Source/HBIOS/Config/UNA_std.asm

@@ -1,27 +1,47 @@
 ;
 ;==================================================================================================
-;   UNA STANDARD CONFIGURATION
+;   ROMWBW DEFAULT BUILD SETTINGS FOR UNA
 ;==================================================================================================
 ;
-; THE COMPLETE SET OF DEFAULT CONFIGURATION SETTINGS FOR THIS PLATFORM ARE FOUND IN THE
-; CFG_<PLT>.ASM INCLUDED FILE WHICH IS FOUND IN THE PARENT DIRECTORY.  THIS FILE CONTAINS
-; COMMON CONFIGURATION SETTINGS THAT OVERRIDE THE DEFAULTS.  IT IS INTENDED THAT YOU MAKE
-; YOUR CUSTOMIZATIONS IN THIS FILE AND JUST INHERIT ALL OTHER SETTINGS FROM THE DEFAULTS.
-; EVEN BETTER, YOU CAN MAKE A COPY OF THIS FILE WITH A NAME LIKE <PLT>_XXX.ASM AND SPECIFY
-; YOUR FILE IN THE BUILD PROCESS.
+; THIS FILE DEFINES THE DEFAULT CONFIGURATION SETTINGS FOR THE PLATFORM
+; INDICATED ABOVE.  THESE SETTINGS DEFINE THE OFFICIAL BUILD FOR THIS
+; PLATFORM AS DISTRIBUTED IN ROMWBW RELEASES.
 ;
-; THE SETTINGS BELOW ARE THE SETTINGS THAT ARE MOST COMMONLY MODIFIED FOR THIS PLATFORM.
-; MANY OF THEM ARE EQUAL TO THE SETTINGS IN THE INCLUDED FILE, SO THEY DON'T REALLY DO
-; ANYTHING AS IS.  THEY ARE LISTED HERE TO MAKE IT EASY FOR YOU TO ADJUST THE MOST COMMON
-; SETTINGS.
+; ROMWBW USES CASCADING CONFIGURATION FILES AS INDICATED BELOW:
 ;
-; N.B., SINCE THE SETTINGS BELOW ARE REDEFINING VALUES ALREADY SET IN THE INCLUDED FILE,
-; TASM INSISTS THAT YOU USE THE .SET OPERATOR AND NOT THE .EQU OPERATOR BELOW. ATTEMPTING
-; TO REDEFINE A VALUE WITH .EQU BELOW WILL CAUSE TASM ERRORS!
+; cfg_MASTER.asm			- MASTER: CONFIGURATION FILE DEFINES ALL POSSIBLE ROMWBW SETTINGS
+; |
+; +-> cfg_<platform>.asm		- PLATFORM: DEFAULT SETTINGS FOR SPECIFIC PLATFORM
+;     |
+;     +-> Config/<plt>_std.asm		- BUILD: SETTINGS FOR EACH OFFICIAL DIST BUILD
+;         |
+;         +-> Config/<plt>_<cust>.asm	- USER: CUSTOM USER BUILD SETTINGS
 ;
-; PLEASE REFER TO THE CUSTOM BUILD INSTRUCTIONS (README.TXT) IN THE SOURCE DIRECTORY (TWO
-; DIRECTORIES ABOVE THIS ONE).
+; THE TOP (MASTER CONFIGURATION) FILE DEFINES ALL POSSIBLE ROMWBW
+; CONFIGURATION SETTINGS. EACH FILE BELOW THE MASTER CONFIGURATION FILE
+; INHERITS THE CUMULATIVE SETTINGS OF THE FILES ABOVE IT AND MAY
+; OVERRIDE THESE SETTINGS AS DESIRED.
+;
+; OTHER THAN THE TOP MASTER FILE, EACH FILE MUST "#INCLUDE" ITS PARENT
+; FILE (SEE #INCLUDE STATEMENT BELOW).  THE TOP TWO FILES SHOULD NOT BE
+; MODIFIED.
+;
+; TO CUSTOMIZE YOUR BUILD SETTINGS YOU SHOULD MODIFY THIS FILE, THE
+; DEFAULT BUILD SETTINGS (Config/<platform>_std.asm) OR PREFERABLY
+; CREATE AN OPTIONAL CUSTOM USER SETTINGS FILE THAT INCLUDES THE DEFAULT
+; BUILD SETTINGS FILE (SEE EXAMPLE Config/SBC_user.asm).
+;
+; BY CREATING A CUSTOM USER SETTINGS FILE, YOU ARE LESS LIKELY TO BE
+; IMPACTED BY FUTURE CHANGES BECAUSE YOU WILL BE INHERITING MOST
+; OF YOUR SETTINGS WHICH WILL BE UPDATED BY AUTHORS AS ROMWBW EVOLVES.
+;
+; PLEASE REFER TO THE CUSTOM BUILD INSTRUCTIONS (README.TXT) IN THE
+; SOURCE DIRECTORY (TWO DIRECTORIES ABOVE THIS ONE).
+;
+; *** WARNING: ASIDE FROM THE MASTER CONFIGURATION FILE, YOU MUST USE
+; ".SET" TO OVERRIDE SETTINGS.  THE ASSEMBLER WILL ERROR IF YOU ATTEMPT
+; TO USE ".EQU" BECAUSE IT WON'T LET YOU REDEFINE A SETTING WITH ".EQU".
 ;
 #DEFINE	BOOT_DEFAULT	"H"		; DEFAULT BOOT LOADER CMD ON <CR> OR AUTO BOOT
 ;
-#include "cfg_una.asm"
+#include "cfg_UNA.asm"

Source/HBIOS/Config/Z80RETRO_std.asm

@@ -1,30 +1,50 @@
 ;
 ;==================================================================================================
-;   ZETA2 STANDARD CONFIGURATION
+;   ROMWBW DEFAULT BUILD SETTINGS FOR Z80 RETRO
 ;==================================================================================================
 ;
-; THE COMPLETE SET OF DEFAULT CONFIGURATION SETTINGS FOR THIS PLATFORM ARE FOUND IN THE
-; CFG_<PLT>.ASM INCLUDED FILE WHICH IS FOUND IN THE PARENT DIRECTORY.  THIS FILE CONTAINS
-; COMMON CONFIGURATION SETTINGS THAT OVERRIDE THE DEFAULTS.  IT IS INTENDED THAT YOU MAKE
-; YOUR CUSTOMIZATIONS IN THIS FILE AND JUST INHERIT ALL OTHER SETTINGS FROM THE DEFAULTS.
-; EVEN BETTER, YOU CAN MAKE A COPY OF THIS FILE WITH A NAME LIKE <PLT>_XXX.ASM AND SPECIFY
-; YOUR FILE IN THE BUILD PROCESS.
+; THIS FILE DEFINES THE DEFAULT CONFIGURATION SETTINGS FOR THE PLATFORM
+; INDICATED ABOVE.  THESE SETTINGS DEFINE THE OFFICIAL BUILD FOR THIS
+; PLATFORM AS DISTRIBUTED IN ROMWBW RELEASES.
 ;
-; THE SETTINGS BELOW ARE THE SETTINGS THAT ARE MOST COMMONLY MODIFIED FOR THIS PLATFORM.
-; MANY OF THEM ARE EQUAL TO THE SETTINGS IN THE INCLUDED FILE, SO THEY DON'T REALLY DO
-; ANYTHING AS IS.  THEY ARE LISTED HERE TO MAKE IT EASY FOR YOU TO ADJUST THE MOST COMMON
-; SETTINGS.
+; ROMWBW USES CASCADING CONFIGURATION FILES AS INDICATED BELOW:
 ;
-; N.B., SINCE THE SETTINGS BELOW ARE REDEFINING VALUES ALREADY SET IN THE INCLUDED FILE,
-; TASM INSISTS THAT YOU USE THE .SET OPERATOR AND NOT THE .EQU OPERATOR BELOW. ATTEMPTING
-; TO REDEFINE A VALUE WITH .EQU BELOW WILL CAUSE TASM ERRORS!
+; cfg_MASTER.asm			- MASTER: CONFIGURATION FILE DEFINES ALL POSSIBLE ROMWBW SETTINGS
+; |
+; +-> cfg_<platform>.asm		- PLATFORM: DEFAULT SETTINGS FOR SPECIFIC PLATFORM
+;     |
+;     +-> Config/<plt>_std.asm		- BUILD: SETTINGS FOR EACH OFFICIAL DIST BUILD
+;         |
+;         +-> Config/<plt>_<cust>.asm	- USER: CUSTOM USER BUILD SETTINGS
 ;
-; PLEASE REFER TO THE CUSTOM BUILD INSTRUCTIONS (README.TXT) IN THE SOURCE DIRECTORY (TWO
-; DIRECTORIES ABOVE THIS ONE).
+; THE TOP (MASTER CONFIGURATION) FILE DEFINES ALL POSSIBLE ROMWBW
+; CONFIGURATION SETTINGS. EACH FILE BELOW THE MASTER CONFIGURATION FILE
+; INHERITS THE CUMULATIVE SETTINGS OF THE FILES ABOVE IT AND MAY
+; OVERRIDE THESE SETTINGS AS DESIRED.
+;
+; OTHER THAN THE TOP MASTER FILE, EACH FILE MUST "#INCLUDE" ITS PARENT
+; FILE (SEE #INCLUDE STATEMENT BELOW).  THE TOP TWO FILES SHOULD NOT BE
+; MODIFIED.
+;
+; TO CUSTOMIZE YOUR BUILD SETTINGS YOU SHOULD MODIFY THIS FILE, THE
+; DEFAULT BUILD SETTINGS (Config/<platform>_std.asm) OR PREFERABLY
+; CREATE AN OPTIONAL CUSTOM USER SETTINGS FILE THAT INCLUDES THE DEFAULT
+; BUILD SETTINGS FILE (SEE EXAMPLE Config/SBC_user.asm).
+;
+; BY CREATING A CUSTOM USER SETTINGS FILE, YOU ARE LESS LIKELY TO BE
+; IMPACTED BY FUTURE CHANGES BECAUSE YOU WILL BE INHERITING MOST
+; OF YOUR SETTINGS WHICH WILL BE UPDATED BY AUTHORS AS ROMWBW EVOLVES.
+;
+; PLEASE REFER TO THE CUSTOM BUILD INSTRUCTIONS (README.TXT) IN THE
+; SOURCE DIRECTORY (TWO DIRECTORIES ABOVE THIS ONE).
+;
+; *** WARNING: ASIDE FROM THE MASTER CONFIGURATION FILE, YOU MUST USE
+; ".SET" TO OVERRIDE SETTINGS.  THE ASSEMBLER WILL ERROR IF YOU ATTEMPT
+; TO USE ".EQU" BECAUSE IT WON'T LET YOU REDEFINE A SETTING WITH ".EQU".
 ;
 #DEFINE	BOOT_DEFAULT	"H"		; DEFAULT BOOT LOADER CMD ON <CR> OR AUTO BOOT
 ;
-#include "cfg_z80retro.asm"
+#include "cfg_Z80RETRO.asm"
 ;
 CPUOSC		.SET	14745600	; CPU OSC FREQ IN MHZ
 INTMODE		.SET	2		; INTERRUPTS: 0=NONE, 1=MODE 1, 2=MODE 2

Source/HBIOS/Config/ZETA2_std.asm

@@ -1,38 +1,55 @@
 ;
 ;==================================================================================================
-;   ZETA2 STANDARD CONFIGURATION
+;   ROMWBW PLATFORM CONFIGURATION DEFAULTS FOR PLATFORM: ZETA 2
 ;==================================================================================================
 ;
-; THE COMPLETE SET OF DEFAULT CONFIGURATION SETTINGS FOR THIS PLATFORM ARE FOUND IN THE
-; CFG_<PLT>.ASM INCLUDED FILE WHICH IS FOUND IN THE PARENT DIRECTORY.  THIS FILE CONTAINS
-; COMMON CONFIGURATION SETTINGS THAT OVERRIDE THE DEFAULTS.  IT IS INTENDED THAT YOU MAKE
-; YOUR CUSTOMIZATIONS IN THIS FILE AND JUST INHERIT ALL OTHER SETTINGS FROM THE DEFAULTS.
-; EVEN BETTER, YOU CAN MAKE A COPY OF THIS FILE WITH A NAME LIKE <PLT>_XXX.ASM AND SPECIFY
-; YOUR FILE IN THE BUILD PROCESS.
+; THIS FILE DEFINES THE DEFAULT CONFIGURATION SETTINGS FOR THE PLATFORM
+; INDICATED ABOVE.  THESE SETTINGS DEFINE THE OFFICIAL BUILD FOR THIS
+; PLATFORM AS DISTRIBUTED IN ROMWBW RELEASES.
 ;
-; THE SETTINGS BELOW ARE THE SETTINGS THAT ARE MOST COMMONLY MODIFIED FOR THIS PLATFORM.
-; MANY OF THEM ARE EQUAL TO THE SETTINGS IN THE INCLUDED FILE, SO THEY DON'T REALLY DO
-; ANYTHING AS IS.  THEY ARE LISTED HERE TO MAKE IT EASY FOR YOU TO ADJUST THE MOST COMMON
-; SETTINGS.
+; ROMWBW USES CASCADING CONFIGURATION FILES AS INDICATED BELOW:
 ;
-; N.B., SINCE THE SETTINGS BELOW ARE REDEFINING VALUES ALREADY SET IN THE INCLUDED FILE,
-; TASM INSISTS THAT YOU USE THE .SET OPERATOR AND NOT THE .EQU OPERATOR BELOW. ATTEMPTING
-; TO REDEFINE A VALUE WITH .EQU BELOW WILL CAUSE TASM ERRORS!
+; cfg_MASTER.asm			- MASTER: CONFIGURATION FILE DEFINES ALL POSSIBLE ROMWBW SETTINGS
+; |
+; +-> cfg_<platform>.asm		- PLATFORM: DEFAULT SETTINGS FOR SPECIFIC PLATFORM
+;     |
+;     +-> Config/<plt>_std.asm		- BUILD: SETTINGS FOR EACH OFFICIAL DIST BUILD
+;         |
+;         +-> Config/<plt>_<cust>.asm	- USER: CUSTOM USER BUILD SETTINGS
 ;
-; PLEASE REFER TO THE CUSTOM BUILD INSTRUCTIONS (README.TXT) IN THE SOURCE DIRECTORY (TWO
-; DIRECTORIES ABOVE THIS ONE).
+; THE TOP (MASTER CONFIGURATION) FILE DEFINES ALL POSSIBLE ROMWBW
+; CONFIGURATION SETTINGS. EACH FILE BELOW THE MASTER CONFIGURATION FILE
+; INHERITS THE CUMULATIVE SETTINGS OF THE FILES ABOVE IT AND MAY
+; OVERRIDE THESE SETTINGS AS DESIRED.
+;
+; OTHER THAN THE TOP MASTER FILE, EACH FILE MUST "#INCLUDE" ITS PARENT
+; FILE (SEE #INCLUDE STATEMENT BELOW).  THE TOP TWO FILES SHOULD NOT BE
+; MODIFIED.
+;
+; TO CUSTOMIZE YOUR BUILD SETTINGS YOU SHOULD MODIFY THIS FILE, THE
+; DEFAULT BUILD SETTINGS (Config/<platform>_std.asm) OR PREFERABLY
+; CREATE AN OPTIONAL CUSTOM USER SETTINGS FILE THAT INCLUDES THE DEFAULT
+; BUILD SETTINGS FILE (SEE EXAMPLE Config/SBC_user.asm).
+;
+; BY CREATING A CUSTOM USER SETTINGS FILE, YOU ARE LESS LIKELY TO BE
+; IMPACTED BY FUTURE CHANGES BECAUSE YOU WILL BE INHERITING MOST
+; OF YOUR SETTINGS WHICH WILL BE UPDATED BY AUTHORS AS ROMWBW EVOLVES.
+;
+; PLEASE REFER TO THE CUSTOM BUILD INSTRUCTIONS (README.TXT) IN THE
+; SOURCE DIRECTORY (TWO DIRECTORIES ABOVE THIS ONE).
+;
+; *** WARNING: ASIDE FROM THE MASTER CONFIGURATION FILE, YOU MUST USE
+; ".SET" TO OVERRIDE SETTINGS.  THE ASSEMBLER WILL ERROR IF YOU ATTEMPT
+; TO USE ".EQU" BECAUSE IT WON'T LET YOU REDEFINE A SETTING WITH ".EQU".
 ;
 #DEFINE	BOOT_DEFAULT	"H"		; DEFAULT BOOT LOADER CMD ON <CR> OR AUTO BOOT
 ;
-#include "cfg_zeta2.asm"
+#include "cfg_ZETA2.asm"
 ;
 CPUOSC		.SET	8000000		; CPU OSC FREQ IN MHZ
 INTMODE		.SET	2		; INTERRUPTS: 0=NONE, 1=MODE 1, 2=MODE 2
 CRTACT		.SET	TRUE		; ACTIVATE CRT (VDU,CVDU,PROPIO,ETC) AT STARTUP
 ;
-UARTENABLE	.SET	TRUE		; UART: ENABLE 8250/16550-LIKE SERIAL DRIVER (UART.ASM)
-UARTSBC		.SET	TRUE		; UART: AUTO-DETECT SBC/ZETA ONBOARD UART
-;
 FDENABLE	.SET	TRUE		; FD: ENABLE FLOPPY DISK DRIVER (FD.ASM)
 FDMODE		.SET	FDMODE_ZETA2	; FD: DRIVER MODE: FDMODE_[DIO|ZETA|ZETA2|DIDE|N8|DIO3|RCSMC|RCWDC|DYNO|EPFDC]
 ;

Source/HBIOS/Config/ZETA_std.asm

@@ -1,38 +1,55 @@
 ;
 ;==================================================================================================
-;   ZETA STANDARD CONFIGURATION
+;   ROMWBW DEFAULT BUILD SETTINGS FOR ZETA
 ;==================================================================================================
 ;
-; THE COMPLETE SET OF DEFAULT CONFIGURATION SETTINGS FOR THIS PLATFORM ARE FOUND IN THE
-; CFG_<PLT>.ASM INCLUDED FILE WHICH IS FOUND IN THE PARENT DIRECTORY.  THIS FILE CONTAINS
-; COMMON CONFIGURATION SETTINGS THAT OVERRIDE THE DEFAULTS.  IT IS INTENDED THAT YOU MAKE
-; YOUR CUSTOMIZATIONS IN THIS FILE AND JUST INHERIT ALL OTHER SETTINGS FROM THE DEFAULTS.
-; EVEN BETTER, YOU CAN MAKE A COPY OF THIS FILE WITH A NAME LIKE <PLT>_XXX.ASM AND SPECIFY
-; YOUR FILE IN THE BUILD PROCESS.
+; THIS FILE DEFINES THE DEFAULT CONFIGURATION SETTINGS FOR THE PLATFORM
+; INDICATED ABOVE.  THESE SETTINGS DEFINE THE OFFICIAL BUILD FOR THIS
+; PLATFORM AS DISTRIBUTED IN ROMWBW RELEASES.
 ;
-; THE SETTINGS BELOW ARE THE SETTINGS THAT ARE MOST COMMONLY MODIFIED FOR THIS PLATFORM.
-; MANY OF THEM ARE EQUAL TO THE SETTINGS IN THE INCLUDED FILE, SO THEY DON'T REALLY DO
-; ANYTHING AS IS.  THEY ARE LISTED HERE TO MAKE IT EASY FOR YOU TO ADJUST THE MOST COMMON
-; SETTINGS.
+; ROMWBW USES CASCADING CONFIGURATION FILES AS INDICATED BELOW:
 ;
-; N.B., SINCE THE SETTINGS BELOW ARE REDEFINING VALUES ALREADY SET IN THE INCLUDED FILE,
-; TASM INSISTS THAT YOU USE THE .SET OPERATOR AND NOT THE .EQU OPERATOR BELOW. ATTEMPTING
-; TO REDEFINE A VALUE WITH .EQU BELOW WILL CAUSE TASM ERRORS!
+; cfg_MASTER.asm			- MASTER: CONFIGURATION FILE DEFINES ALL POSSIBLE ROMWBW SETTINGS
+; |
+; +-> cfg_<platform>.asm		- PLATFORM: DEFAULT SETTINGS FOR SPECIFIC PLATFORM
+;     |
+;     +-> Config/<plt>_std.asm		- BUILD: SETTINGS FOR EACH OFFICIAL DIST BUILD
+;         |
+;         +-> Config/<plt>_<cust>.asm	- USER: CUSTOM USER BUILD SETTINGS
 ;
-; PLEASE REFER TO THE CUSTOM BUILD INSTRUCTIONS (README.TXT) IN THE SOURCE DIRECTORY (TWO
-; DIRECTORIES ABOVE THIS ONE).
+; THE TOP (MASTER CONFIGURATION) FILE DEFINES ALL POSSIBLE ROMWBW
+; CONFIGURATION SETTINGS. EACH FILE BELOW THE MASTER CONFIGURATION FILE
+; INHERITS THE CUMULATIVE SETTINGS OF THE FILES ABOVE IT AND MAY
+; OVERRIDE THESE SETTINGS AS DESIRED.
+;
+; OTHER THAN THE TOP MASTER FILE, EACH FILE MUST "#INCLUDE" ITS PARENT
+; FILE (SEE #INCLUDE STATEMENT BELOW).  THE TOP TWO FILES SHOULD NOT BE
+; MODIFIED.
+;
+; TO CUSTOMIZE YOUR BUILD SETTINGS YOU SHOULD MODIFY THIS FILE, THE
+; DEFAULT BUILD SETTINGS (Config/<platform>_std.asm) OR PREFERABLY
+; CREATE AN OPTIONAL CUSTOM USER SETTINGS FILE THAT INCLUDES THE DEFAULT
+; BUILD SETTINGS FILE (SEE EXAMPLE Config/SBC_user.asm).
+;
+; BY CREATING A CUSTOM USER SETTINGS FILE, YOU ARE LESS LIKELY TO BE
+; IMPACTED BY FUTURE CHANGES BECAUSE YOU WILL BE INHERITING MOST
+; OF YOUR SETTINGS WHICH WILL BE UPDATED BY AUTHORS AS ROMWBW EVOLVES.
+;
+; PLEASE REFER TO THE CUSTOM BUILD INSTRUCTIONS (README.TXT) IN THE
+; SOURCE DIRECTORY (TWO DIRECTORIES ABOVE THIS ONE).
+;
+; *** WARNING: ASIDE FROM THE MASTER CONFIGURATION FILE, YOU MUST USE
+; ".SET" TO OVERRIDE SETTINGS.  THE ASSEMBLER WILL ERROR IF YOU ATTEMPT
+; TO USE ".EQU" BECAUSE IT WON'T LET YOU REDEFINE A SETTING WITH ".EQU".
 ;
 #DEFINE	BOOT_DEFAULT	"H"		; DEFAULT BOOT LOADER CMD ON <CR> OR AUTO BOOT
 ;
-#include "cfg_zeta.asm"
+#include "cfg_ZETA.asm"
 ;
 CPUOSC		.SET	8000000		; CPU OSC FREQ IN MHZ
 INTMODE		.SET	0		; INTERRUPTS: 0=NONE, 1=MODE 1, 2=MODE 2
 CRTACT		.SET	TRUE		; ACTIVATE CRT (VDU,CVDU,PROPIO,ETC) AT STARTUP
 ;
-UARTENABLE	.SET	TRUE		; UART: ENABLE 8250/16550-LIKE SERIAL DRIVER (UART.ASM)
-UARTSBC		.SET	TRUE		; UART: AUTO-DETECT SBC/ZETA ONBOARD UART
-;
 FDENABLE	.SET	TRUE		; FD: ENABLE FLOPPY DISK DRIVER (FD.ASM)
 FDMODE		.SET	FDMODE_ZETA	; FD: DRIVER MODE: FDMODE_[DIO|ZETA|ZETA2|DIDE|N8|DIO3|RCSMC|RCWDC|DYNO|EPFDC]
 ;

Source/HBIOS/Makefile.new

@@ -5,7 +5,7 @@ DIST_OBJECTS := \
 	RCZ80_zrc_ram RCZ80_zrc512 RPH_std SBC_std SBC_simh MBC_std \
 	DUO_std SCZ180_sc126 SCZ180_sc130 SCZ180_sc131 SCZ180_sc140 \
 	SCZ180_sc503 SCZ180_sc700 S100_std UNA_std Z80RETRO_std \
-	ZETA_std ZETA2_std HEATH_std EPITX_std
+	ZETA_std ZETA2_std HEATH_std EPITX_std GMZ180_std
 #	RCZ80_mt RCZ80_duart MON_std 
 
 OBJECTS := $(DIST_OBJECTS)

Source/HBIOS/ay38910.asm

@@ -98,13 +98,6 @@ AY_RDAT		.EQU	$40
 AY_RIN		.EQU	$40
 		DEVECHO	"NABU"
 #ENDIF
-;
-#IF (AYMODE == AYMODE_RCGSJ)
-AY_RSEL		.EQU	$A1
-AY_RDAT		.EQU	$A0
-AY_RIN		.EQU	$A1
-		DEVECHO	"RCGSJ"
-#ENDIF
 ;
 	DEVECHO	", IO="
 	DEVECHO	AY_RSEL
@@ -134,6 +127,7 @@ AY_FNTBL:
 	.DW	AY_QUERY
 	.DW	AY_DURATION
 	.DW	AY_DEVICE
+	.DW	AY_BEEP
 ;
 #IF (($ - AY_FNTBL) != (SND_FNCNT * 2))
 	.ECHO	"*** INVALID SND FUNCTION TABLE ***\n"
@@ -163,7 +157,6 @@ AY_NOISECNT	.EQU	1		; COUNT NUMBER OF NOISE CHANNELS
 ;
 ;	ANNOUNCE DEVICE ON CONSOLE. ACTIVATE DEVICE IF REQUIRED.
 ;	SETUP FUNCTION TABLES. SETUP THE DEVICE.
-;	ANNOUNCE DEVICE WITH BEEP. SET VOLUME OFF.
 ;	RETURN INITIALIZATION STATUS
 ;
 AY38910_INIT:
@@ -228,77 +221,22 @@ AY38910_INIT:
 	LD	A,$FF			; UNSUCCESSFULL INIT
 	RET
 ;
-AY_FND:	LD	IY, AY_IDAT		; SETUP FUNCTION TABLE
+AY_FND:
+	LD	IY, AY_IDAT		; SETUP FUNCTION TABLE
 	LD	BC, AY_FNTBL		; POINTER TO INSTANCE DATA
 	LD	DE, AY_IDAT		; BC := FUNCTION TABLE ADDRESS
 	CALL	SND_ADDENT		; DE := INSTANCE DATA PTR
 ;
-	CALL	AY_INIT			; SET DEFAULT CHIP CONFIGURATION
-;
-	LD	E,$08			; SET VOLUME TO 50%
-	CALL	AY_SETV			; ON ALL CHANNELS
-;
-;	LD	DE,(AY_R2CHBP*256)+$55	; BEEP ON CHANNEL B (CENTER)
-;	CALL	AY_WRTPSG		; R02 = $55 = 01010101
-	LD	DE,(AY_R3CHBP*256)+$00
-	CALL	AY_WRTPSG		; R03 = $00 = XXXX0000
-;
-#IF (SYSTIM != TM_NONE)
-	LD	A, TICKFREQ / 3		; SCHEDULE IN 1/3 SECOND TO TURN OFF SOUND
-	LD	(AY_TIMTIK), A
-;
-	; RESET THE AY_TIMER BYPASS
-	LD	HL,AY_TIMER1
-	LD	(AY_TIMER + 1),HL
-;
-	; HOOK THE TICK VECTOR
-	LD	HL,(VEC_TICK + 1)	; GET CUR TICKS VECTOR
-	LD	(AY_TIMHOOK + 1),HL	; SAVE IT INTERNALLY
-	LD	HL,AY_TIMER		; INSTALL TIMER HOOK HANDLER
-	LD	(VEC_TICK + 1),HL
-;
-	LD	A, $02			; NOT READY & IN INTERUPT HANDLER
-	LD	(AY_READY), A
-#ELSE
- 	CALL	LDELAY			; HALF SECOND DELAY
- 	LD	E,$00			; SET VOLUME OFF
-	CALL	AY_SETV			; ON ALL CHANNELS
-	LD	A, $01			; READY & NOT IN INTERUPT HANDLER
-	LD	(AY_READY), A
-#ENDIF
-;
+	CALL	AY_RESET		; SET DEFAULT CHIP CONFIGURATION
 	XOR	A			; SUCCESSFULL INIT
 	RET
 ;
-#IF (SYSTIM != TM_NONE)
-AY_TIMER:
-	JP	AY_TIMER1		; SELF MODIFIED TO BYPASS HANDLER
-AY_TIMER1:
-	LD	A,(AY_TIMTIK)
-	DEC	A
-	LD	(AY_TIMTIK), A
-	JR	NZ,AY_TIMHOOK
-;
-	LD	E,$00			; SET VOLUME OFF
-	CALL	AY_SETV			; ON ALL CHANNELS
-	LD	A, $01			; READY & NOT IN INTERUPT HANDLER
-	LD	(AY_READY), A
-;
-	; MAKE AY_TIMER A NO-OP HANDLER
-	LD	HL,(AY_TIMHOOK + 1)
-	LD	(AY_TIMER + 1),HL
-;
-AY_TIMHOOK:
-	JP	0			; OVERWRITTEN WITH NEXT HANDLER
-;
-AY_TIMTIK	.DB	0		; COUNT DOWN TO FINISH BOOT BEEP
-#ENDIF
-;
 ;======================================================================
 ;	INITIALIZE DEVICE
 ;======================================================================
 ;
 AY_INIT:
+	; HANDLE R7 SPECIAL
 #IF (AYMODE == AYMODE_NABU)
 	; I/O B=INPUT, I/O A=OUTPUT, NOISE CHANNEL C, B, A DISABLE, TONE CHANNEL C, B, A ENABLE
 	LD	DE,(AY_R7ENAB*256)+$78	; SET MIXER CONTROL / IO ENABLE.  $78 - 01 111 000
@@ -306,29 +244,21 @@ AY_INIT:
 	; I/O PORTS = OUTPUT, NOISE CHANNEL C, B, A DISABLE, TONE CHANNEL C, B, A ENABLE
 	LD	DE,(AY_R7ENAB*256)+$F8	; SET MIXER CONTROL / IO ENABLE.  $F8 - 11 111 000
 #ENDIF
-	JP	AY_WRTPSG		
+	CALL	AY_WRTPSG		; SETUP R7
 ;
-AY_CHKREDY:
-	LD	A, (AY_READY)
-	BIT	0, A
-	RET	NZ
-
-	POP	HL			; REMOVE LAST RETURN ADDRESS
-	OR	$FF
-	RET				; RETURN NZ
-;
-;======================================================================
-;	SET VOLUME ALL CHANNELS
-;======================================================================
-;
-AY_SETV:
-	PUSH	BC
-	LD	B,AY_TONECNT		; NUMBER OF CHANNELS
-	LD	D,AY_R8AVOL		; BASE REGISTER FOR VOLUME
-AY_SV:	CALL	AY_WRTPSG		; CYCLING THROUGH ALL CHANNELS
-	INC	D
-	DJNZ	AY_SV
-	POP	BC
+	; THEN JUST SET ALL OTHER REGISTERS TO ZERO
+	LD	E,0			; VALUE ZERO
+	LD	D,0			; START W/ R0
+	LD	B,7			; DO 7 REGISTERS (R0-R6)
+	CALL	AY_INIT1		; DO IT
+	INC	D			; SKIP R7
+	LD	B,6			; DO 6 MORE REGISTERS (R8-R13)
+	; FALL THRU TO DO IT
+;	
+AY_INIT1:
+	CALL	AY_WRTPSG		; WRITE REGISTER
+	INC	D			; BUMP TO NEXT
+	DJNZ	AY_INIT1		; LOOP
 	RET
 ;
 ;======================================================================
@@ -340,25 +270,15 @@ AY_SV:	CALL	AY_WRTPSG		; CYCLING THROUGH ALL CHANNELS
 ;
 AY_RESET:
 	AUDTRACE(AYT_INIT)
-	CALL	AY_CHKREDY		; RETURNS TO OUR CALLER IF NOT READY
-;
-	PUSH	DE
-	PUSH	HL
 	CALL	AY_INIT			; SET DEFAULT CHIP CONFIGURATION
 ;
-	AUDTRACE(AYT_VOLOFF)
-	LD	E,0			; SET VOLUME OFF
-	CALL	AY_SETV			; ON ALL CHANNELS
-;
+	; RESET DEFAULTS IN CASE OF AN IN-PLACE HBIOS RESTART
+	LD	HL,0
+	LD	(AY_PENDING_PERIOD),HL	; SET TONE PERIOD TO ZERO
+	LD	(AY_PENDING_DURATION),HL; SET DURATION TO ZERO
 	XOR	A			; SIGNAL SUCCESS
 	LD	(AY_PENDING_VOLUME),A	; SET VOLUME TO ZERO
-	LD	H,A
-	LD	L,A
-	LD	(AY_PENDING_PERIOD),HL	; SET TONE PERIOD TO ZERO
-;
-	POP	HL
-	POP	DE
-	RET
+	RET				; DONE, A=0 ABOVE
 ;
 ;======================================================================
 ;	SOUND DRIVER FUNCTION - VOLUME
@@ -421,12 +341,14 @@ AY_PLAY:
 	AUDTRACE(AYT_PLAY)
 	AUDTRACE_D
 	AUDTRACE_CR
-	CALL	AY_CHKREDY		; RETURNS TO OUR CALLER IF NOT READY
 ;
 	LD	A, (AY_PENDING_PERIOD + 1)	; CHECK THE HIGH BYTE OF THE PERIOD
 	INC	A
-	JR	Z, AY_PLAY1		; PERIOD IS TOO LARGE, UNABLE TO PLAY
+	JR	NZ, AY_PLAY1		; PERIOD IS OK, CONTINUE
+	OR	$FF			; ELSE TOO LARGE, SIGNAL FAILURE
+	RET				; AND RETURN
 ;
+AY_PLAY1:
 	PUSH	HL
 	PUSH	DE
 	LD	A,D			; LIMIT CHANNEL 0-2
@@ -439,7 +361,7 @@ AY_PLAY:
 	AUDTRACE_CR
 ;
 	LD	HL,AY_PENDING_PERIOD	; WRITE THE LOWER
-	ld	E,(HL)			; 8-BITS OF THE TONE PERIOD
+	LD	E,(HL)			; 8-BITS OF THE TONE PERIOD
 	CALL	AY_WRTPSG
 	INC	D			; NEXT REGISTER
 	INC	HL			; NEXT BYTE
@@ -474,18 +396,6 @@ AY_PLAY:
 	XOR	A			; SIGNAL SUCCESS
 	RET
 ;
-AY_PLAY1:
-	PUSH	DE			; TURN VOLUME OFF TO STOP PLAYING
-	LD	A,D			; LIMIT CHANNEL 0-2
-	AND	$3			; AND INDEX TO THE
-	ADD	A,AY_R8AVOL		; CHANNEL VOLUME
-	LD	D,A			; REGISTER
-	LD	E,0
-	CALL	AY_WRTPSG		; SET VOL (E) IN CHANNEL REG (D)
-	POP	DE
-	OR	$FF			; SIGNAL FAILURE
-	RET
-;
 ;======================================================================
 ;	SOUND DRIVER FUNCTION - QUERY AND SUBFUNCTIONS
 ;======================================================================
@@ -553,22 +463,11 @@ AY_DEVICE:
 	RET
 ;
 ;======================================================================
-;	NON-BLOCKING INTERRUPT CODE
+;	SOUND DRIVER FUNCTION - BEEP
 ;======================================================================
 ;
-AY_DI:
-	LD	A, (AY_READY)
-	BIT	1, A
-	RET	NZ
-	HB_DI
-	RET
-;
-AY_EI:
-	LD	A, (AY_READY)
-	BIT	1, A
-	RET	NZ
-	HB_EI
-	RET
+AY_BEEP:
+	JP	SND_BEEP		; DEFER TO GENERIC CODE IN HBIOS
 ;
 ;======================================================================
 ;
@@ -578,7 +477,6 @@ AY_EI:
 ;======================================================================
 ;
 AY_WRTPSG:
-	CALL	AY_DI
 #IFDEF SBCV2004
 	LD	A,(HB_RTCVAL)		; GET CURRENT RTC LATCH VALUE
 	OR	%00001000		; SBC-V2-004 CHANGE
@@ -602,14 +500,13 @@ AY_WRTPSG:
 	LD	A,(HB_RTCVAL)		; SBC-V2-004 CHANGE TO
 	OUT	(RTCIO),A		; NORMAL CLOCK SPEED
 #ENDIF
-	JP	AY_EI
+	RET
 ;
 ;======================================================================
 ;
 ;	READ FROM REGISTER D AND RETURN WITH RESULT IN E
 ;
 AY_RDPSG:
-	CALL	AY_DI
 #IFDEF SBCV2004
 	LD	A,(HB_RTCVAL)		; GET CURRENT RTC LATCH VALUE
 	OR	%00001000		; SBC-V2-004 CHANGE
@@ -633,15 +530,13 @@ AY_RDPSG:
 	LD	A,(HB_RTCVAL)		; SBC-V2-004 CHANGE TO
 	OUT	(RTCIO),A		; NORMAL CLOCK SPEED
 #ENDIF
-	JP	AY_EI
+	RET
 ;
 ;======================================================================
 ;
 AY_PENDING_PERIOD	.DW	0	; PENDING PERIOD (12 BITS)	; ORDER
 AY_PENDING_VOLUME	.DB	0	; PENDING VOL (8 BITS)		; SIGNIFICANT
 AY_PENDING_DURATION	.DW	0	; PENDING DURATION (16 BITS)
-AY_READY		.DB	0	; BIT 0 -> NZ DRIVER IS READY TO RECEIVE PLAY COMMAND
-					; BIT 1 -> NZ EXECUTING WITHIN TIMER HANDLER = DO NOT DIS/ENABLE INT
 ;
 #IF AUDIOTRACE
 AYT_INIT		.DB	"\r\nAY_INIT\r\n$"

Source/HBIOS/cfg_DUO.asm

@@ -0,0 +1,381 @@
+;
+;==================================================================================================
+;   ROMWBW PLATFORM CONFIGURATION DEFAULTS FOR PLATFORM: DUO
+;==================================================================================================
+;
+; THIS FILE DEFINES THE DEFAULT CONFIGURATION SETTINGS FOR THE PLATFORM
+; INDICATED ABOVE. THIS FILE SHOULD *NOT* NORMALLY BE CHANGED.	INSTEAD,
+; YOU SHOULD OVERRIDE SETTINGS YOU WANT USING A CONFIGURATION FILE IN
+; THE CONFIG DIRECTORY UNDER THIS DIRECTORY.
+;
+; THIS FILE SHOULD *NOT* NORMALLY BE CHANGED.  IT IS MAINTAINED BY THE
+; AUTHORS OF ROMWBW.  TO OVERRIDE SETTINGS YOU SHOULD USE A
+; CONFIGURATION FILE IN THE CONFIG DIRECTORY UNDER THIS DIRECTORY.
+;
+; ROMWBW USES CASCADING CONFIGURATION FILES AS INDICATED BELOW:
+;
+; cfg_MASTER.asm			- MASTER: CONFIGURATION FILE DEFINES ALL POSSIBLE ROMWBW SETTINGS
+; |
+; +-> cfg_<platform>.asm		- PLATFORM: DEFAULT SETTINGS FOR SPECIFIC PLATFORM
+;     |
+;     +-> Config/<plt>_std.asm		- BUILD: SETTINGS FOR EACH OFFICIAL DIST BUILD
+;         |
+;         +-> Config/<plt>_<cust>.asm	- USER: CUSTOM USER BUILD SETTINGS
+;
+; THE TOP (MASTER CONFIGURATION) FILE DEFINES ALL POSSIBLE ROMWBW
+; CONFIGURATION SETTINGS. EACH FILE BELOW THE MASTER CONFIGURATION FILE
+; INHERITS THE CUMULATIVE SETTINGS OF THE FILES ABOVE IT AND MAY
+; OVERRIDE THESE SETTINGS AS DESIRED.
+;
+; OTHER THAN THE TOP MASTER FILE, EACH FILE MUST "#INCLUDE" ITS PARENT
+; FILE (SEE #INCLUDE STATEMENT BELOW).  THE TOP TWO FILES SHOULD NOT BE
+; MODIFIED.  TO CUSTOMIZE YOUR BUILD SETTINGS YOU SHOULD MODIFY THE
+; DEFAULT BUILD SETTINGS (Config/<platform>_std.asm) OR PREFERABLY
+; CREATE AN OPTIONAL CUSTOM USER SETTINGS FILE THAT INCLUDES THE DEFAULT
+; BUILD SETTINGS FILE (SEE EXAMPLE Config/SBC_user.asm).
+;
+; BY CREATING A CUSTOM USER SETTINGS FILE, YOU ARE LESS LIKELY TO BE
+; IMPACTED BY FUTURE CHANGES BECAUSE YOU WILL BE INHERITING MOST
+; OF YOUR SETTINGS WHICH WILL BE UPDATED BY AUTHORS AS ROMWBW EVOLVES.
+;
+; *** WARNING: ASIDE FROM THE MASTER CONFIGURATION FILE, YOU MUST USE
+; ".SET" TO OVERRIDE SETTINGS.  THE ASSEMBLER WILL ERROR IF YOU ATTEMPT
+; TO USE ".EQU" BECAUSE IT WON'T LET YOU REDEFINE A SETTING WITH ".EQU".
+;
+#DEFINE PLATFORM_NAME "Duodyne", " [", CONFIG, "]"
+;
+#INCLUDE "cfg_MASTER.asm"
+;
+PLATFORM	.SET	PLT_DUO		; PLT_[SBC|ZETA|ZETA2|N8|MK4|UNA|RCZ80|RCZ180|EZZ80|SCZ180|DYNO|RCZ280|MBC|RPH|Z80RETRO|S100|DUO|HEATH|EPITX|MON|STDZ180|NABU|FZ80]
+CPUFAM		.SET	CPU_Z80		; CPU FAMILY: CPU_[Z80|Z180|Z280]
+BIOS		.SET	BIOS_WBW	; HARDWARE BIOS: BIOS_[WBW|UNA]
+BATCOND		.SET	FALSE		; ENABLE LOW BATTERY WARNING MESSAGE
+HBIOS_MUTEX	.SET	FALSE		; ENABLE REENTRANT CALLS TO HBIOS (ADDS OVERHEAD)
+USELZSA2	.SET	TRUE		; ENABLE FONT COMPRESSION
+TICKFREQ	.SET	50		; DESIRED PERIODIC TIMER INTERRUPT FREQUENCY (HZ)
+;
+BOOT_TIMEOUT	.SET	-1		; AUTO BOOT TIMEOUT IN SECONDS, -1 TO DISABLE, 0 FOR IMMEDIATE
+BOOT_DELAY	.SET	0		; FIXED BOOT DELAY IN SECONDS PRIOR TO CONSOLE OUTPUT
+AUTOCON		.SET	FALSE		; ENABLE CONSOLE TAKEOVER AT LOADER PROMPT
+;
+CPUSPDCAP	.SET	SPD_FIXED	; CPU SPEED CHANGE CAPABILITY SPD_FIXED|SPD_HILO
+CPUSPDDEF	.SET	SPD_UNSUP	; CPU SPEED DEFAULT SPD_UNSUP|SPD_HIGH|SPD_LOW
+CPUOSC		.SET	8000000		; CPU OSC FREQ IN MHZ
+INTMODE		.SET	2		; INTERRUPTS: 0=NONE, 1=MODE 1, 2=MODE 2, 3=MODE 3 (Z280)
+DEFSERCFG	.SET	SER_38400_8N1 | SER_RTS	; DEFAULT SERIAL LINE CONFIG (SEE STD.ASM)
+;
+RAMSIZE		.SET	512		; SIZE OF RAM IN KB (MUST MATCH YOUR HARDWARE!!!)
+ROMSIZE		.SET	512		; SIZE OF ROM IN KB (MUST MATCH YOUR HARDWARE!!!)
+APP_BNKS	.SET	$FF		; BANKS TO RESERVE FOR APP USE ($FF FOR AUTO SIZING)
+MEMMGR		.SET	MM_Z2		; MEMORY MANAGER: MM_[SBC|Z2|N8|Z180|Z280|MBC|RPH|MON]
+MPGSEL_0	.SET	$50		; Z2 MEM MGR BANK 0 PAGE SELECT REG (WRITE ONLY)
+MPGSEL_1	.SET	$51		; Z2 MEM MGR BANK 1 PAGE SELECT REG (WRITE ONLY)
+MPGSEL_2	.SET	$52		; Z2 MEM MGR BANK 2 PAGE SELECT REG (WRITE ONLY)
+MPGSEL_3	.SET	$53		; Z2 MEM MGR BANK 3 PAGE SELECT REG (WRITE ONLY)
+MPGENA		.SET	$54		; Z2 MEM MGR PAGING ENABLE REGISTER (BIT 0, WRITE ONLY)
+;
+RTCIO		.SET	$94		; RTC LATCH REGISTER ADR
+;
+KIOENABLE	.SET	FALSE		; ENABLE ZILOG KIO SUPPORT
+KIOBASE		.SET	$80		; KIO BASE I/O ADDRESS
+;
+CTCENABLE	.SET	TRUE		; ENABLE ZILOG CTC SUPPORT
+CTCDEBUG	.SET	FALSE		; ENABLE CTC DRIVER DEBUG OUTPUT
+CTCBASE		.SET	$60		; CTC BASE I/O ADDRESS
+CTCTIMER	.SET	TRUE		; ENABLE CTC PERIODIC TIMER
+CTCMODE		.SET	CTCMODE_CTR	; CTC MODE: CTCMODE_[NONE|CTR|TIM16|TIM256]
+CTCPRE		.SET	256		; PRESCALE CONSTANT (1-256)
+CTCPRECH	.SET	2		; PRESCALE CHANNEL (0-3)
+CTCTIMCH	.SET	3		; TIMER CHANNEL (0-3)
+CTCOSC		.SET	(7372800/8)	; CTC CLOCK FREQUENCY
+;
+PCFENABLE	.SET	FALSE		; ENABLE PCF8584 I2C CONTROLLER
+PCFBASE		.SET	$56		; PCF8584 BASE I/O ADDRESS
+;
+EIPCENABLE	.SET	FALSE		; EIPC: ENABLE Z80 EIPC (Z84C15) INITIALIZATION
+;
+SKZENABLE	.SET	FALSE		; ENABLE SERGEY'S Z80-512K FEATURES
+;
+WDOGMODE	.SET	WDOG_NONE	; WATCHDOG MODE: WDOG_[NONE|EZZ80|SKZ]
+;
+FPLED_ENABLE	.SET	TRUE		; FP: ENABLES FRONT PANEL LEDS
+FPLED_IO	.SET	$42		; FP: PORT ADDRESS FOR FP LEDS
+FPLED_INV	.SET	FALSE		; FP: LED BITS ARE INVERTED
+FPLED_DSKACT	.SET	TRUE		; FP: ENABLES DISK I/O ACTIVITY ON FP LEDS
+FPSW_ENABLE	.SET	TRUE		; FP: ENABLES FRONT PANEL SWITCHES
+FPSW_IO		.SET	$42		; FP: PORT ADDRESS FOR FP SWITCHES
+FPSW_INV	.SET	FALSE		; FP: SWITCH BITS ARE INVERTED
+;
+DIAGLVL		.SET	DL_CRITICAL	; ERROR LEVEL REPORTING
+;
+LEDENABLE	.SET	TRUE		; ENABLES STATUS LED
+LEDMODE		.SET	LEDMODE_RTC	; LEDMODE_[STD|SC|RTC|NABU]
+LEDPORT		.SET	RTCIO		; STATUS LED PORT ADDRESS
+LEDDISKIO	.SET	TRUE		; ENABLES DISK I/O ACTIVITY ON STATUS LED
+;
+DSKYENABLE	.SET	FALSE		; ENABLES DSKY FUNCTIONALITY
+DSKYDSKACT	.SET	TRUE		; ENABLES DISK ACTIVITY ON DSKY DISPLAY
+ICMENABLE	.SET	FALSE		; ENABLES ORIGINAL DSKY ICM DRIVER (7218)
+ICMPPIBASE	.SET	$88		; BASE I/O ADDRESS OF ICM PPI
+PKDENABLE	.SET	TRUE		; ENABLES DSKY NG PKD DRIVER (8259)
+PKDPPIBASE	.SET	$88		; BASE I/O ADDRESS OF PKD PPI
+PKDOSC		.SET	3000000		; OSCILLATOR FREQ FOR PKD (IN HZ)
+H8PENABLE	.SET	FALSE		; ENABLES HEATH H8 FRONT PANEL
+LCDENABLE	.SET	FALSE		; ENABLE LCD DISPLAY
+LCDBASE		.SET	$DA		; BASE I/O ADDRESS OF LCD CONTROLLER
+LCDDSKACT	.SET	TRUE		; ENABLES DISK ACTIVITY ON LCD DISPLAY
+GM7303ENABLE	.SET	FALSE		; ENABLES THE PROLOG 7303 BOARD WITH 16X2 LCD
+;
+BOOTCON		.SET	0		; BOOT CONSOLE DEVICE
+SECCON		.SET	$FF		; SECONDARY CONSOLE DEVICE
+CRTACT		.SET	FALSE		; ACTIVATE CRT (VDU,CVDU,PROPIO,ETC) AT STARTUP
+VDAEMU		.SET	EMUTYP_ANSI	; VDA EMULATION: EMUTYP_[TTY|ANSI]
+VDAEMU_SERKBD	.SET	$FF		; VDA EMULATION: SERIAL KBD UNIT #, OR $FF FOR HW KBD
+ANSITRACE	.SET	1		; ANSI DRIVER TRACE LEVEL (0=NO,1=ERRORS,2=ALL)
+PPKTRACE	.SET	1		; PPK DRIVER TRACE LEVEL (0=NO,1=ERRORS,2=ALL)
+KBDTRACE	.SET	1		; KBD DRIVER TRACE LEVEL (0=NO,1=ERRORS,2=ALL)
+PPKKBLOUT	.SET	KBD_US		; PPK KEYBOARD LANGUAGE: KBD_[US|DE]
+KBDKBLOUT	.SET	KBD_US		; KBD KEYBOARD LANGUAGE: KBD_[US|DE]
+MKYKBLOUT	.SET	KBD_US		; KBD KEYBOARD LANGUAGE: KBD_[US|DE]
+;
+DSRTCENABLE	.SET	TRUE		; DSRTC: ENABLE DS-1302 CLOCK DRIVER (DSRTC.ASM)
+DSRTCMODE	.SET	DSRTCMODE_STD	; DSRTC: OPERATING MODE: DSRTC_[STD|MFPIC|K80W]
+DSRTCCHG	.SET	FALSE		; DSRTC: FORCE BATTERY CHARGE ON (USE WITH CAUTION!!!)
+;
+DS1501RTCENABLE	.SET	FALSE		; DS1501RTC: ENABLE DS-1501 CLOCK DRIVER (DS1501RTC.ASM)
+DS1501RTC_BASE	.SET	$50		; DS1501RTC: I/O BASE ADDRESS
+;
+BQRTCENABLE	.SET	FALSE		; BQRTC: ENABLE BQ4845 CLOCK DRIVER (BQRTC.ASM)
+BQRTC_BASE	.SET	$50		; BQRTC: I/O BASE ADDRESS
+;
+INTRTCENABLE	.SET	FALSE		; ENABLE PERIODIC INTERRUPT CLOCK DRIVER (INTRTC.ASM)
+;
+RP5RTCENABLE	.SET	FALSE		; RP5C01 RTC BASED CLOCK (RP5RTC.ASM)
+;
+HTIMENABLE	.SET	FALSE		; ENABLE SIMH TIMER SUPPORT
+SIMRTCENABLE	.SET	FALSE		; ENABLE SIMH CLOCK DRIVER (SIMRTC.ASM)
+;
+DS7RTCENABLE	.SET	FALSE		; DS7RTC: ENABLE DS-1307 I2C CLOCK DRIVER (DS7RTC.ASM)
+DS7RTCMODE	.SET	DS7RTCMODE_PCF	; DS7RTC: OPERATING MODE: DS7RTC_[PCF]
+;
+DS5RTCENABLE	.SET	FALSE		; DS5RTC: ENABLE DS-1305 SPI CLOCK DRIVER (DS5RTC.ASM)
+;
+SSERENABLE	.SET	FALSE		; SSER: ENABLE SIMPLE SERIAL DRIVER (SSER.ASM)
+SSERCFG		.SET	SER_9600_8N1	; SSER: SERIAL LINE CONFIG
+SSERSTATUS	.SET	$FF		; SSER: STATUS PORT
+SSERDATA	.SET	$FF		; SSER: DATA PORT
+SSERIRDY	.SET	%00000001	; SSER: INPUT READY BIT MASK
+SSERIINV	.SET	FALSE		; SSER: INPUT READY BIT INVERTED
+SSERORDY	.SET	%00000010	; SSER: OUTPUT READY BIT MASK
+SSEROINV	.SET	FALSE		; SSER: OUTPUT READY BIT INVERTED
+;
+DUARTENABLE	.SET	FALSE		; DUART: ENABLE 2681/2692 SERIAL DRIVER (DUART.ASM)
+;
+UARTENABLE	.SET	TRUE		; UART: ENABLE 8250/16550-LIKE SERIAL DRIVER (UART.ASM)
+UARTCNT		.SET	4		; UART: NUMBER OF CHIPS TO DETECT (1-8)
+UARTOSC		.SET	7372800		; UART: OSC FREQUENCY IN MHZ
+UARTINTS	.SET	FALSE		; UART: INCLUDE INTERRUPT SUPPORT UNDER IM1/2/3
+UART4UART	.SET	FALSE		; UART: SUPPORT 4UART ECB BOARD
+UART4UARTBASE	.SET	$C0		; UART: BASE IO ADDRESS OF 4UART ECB BOARD
+UART0BASE	.SET	$58		; UART 0: REGISTERS BASE ADR
+UART0CFG	.SET	DEFSERCFG	; UART 0: SERIAL LINE CONFIG
+UART1BASE	.SET	$A8		; UART 1: REGISTERS BASE ADR
+UART1CFG	.SET	SER_300_8N1	; UART 1: SERIAL LINE CONFIG
+UART2BASE	.SET	$70		; UART 2: REGISTERS BASE ADR
+UART2CFG	.SET	DEFSERCFG	; UART 2: SERIAL LINE CONFIG
+UART3BASE	.SET	$78		; UART 3: REGISTERS BASE ADR
+UART3CFG	.SET	DEFSERCFG	; UART 3: SERIAL LINE CONFIG
+UART4BASE	.SET	$FF		; UART 4: REGISTERS BASE ADR
+UART4CFG	.SET	DEFSERCFG	; UART 4: SERIAL LINE CONFIG
+UART5BASE	.SET	$FF		; UART 5: REGISTERS BASE ADR
+UART5CFG	.SET	DEFSERCFG	; UART 5: SERIAL LINE CONFIG
+UART6BASE	.SET	$FF		; UART 6: REGISTERS BASE ADR
+UART6CFG	.SET	DEFSERCFG	; UART 6: SERIAL LINE CONFIG
+UART7BASE	.SET	$FF		; UART 7: REGISTERS BASE ADR
+UART7CFG	.SET	DEFSERCFG	; UART 7: SERIAL LINE CONFIG
+;
+ASCIENABLE	.SET	FALSE		; ASCI: ENABLE Z180 ASCI SERIAL DRIVER (ASCI.ASM)
+;
+Z2UENABLE	.SET	FALSE		; Z2U: ENABLE Z280 UART SERIAL DRIVER (Z2U.ASM)
+;
+ACIAENABLE	.SET	FALSE		; ACIA: ENABLE MOTOROLA 6850 ACIA DRIVER (ACIA.ASM)
+;
+SIOENABLE	.SET	TRUE		; SIO: ENABLE ZILOG SIO SERIAL DRIVER (SIO.ASM)
+SIODEBUG	.SET	FALSE		; SIO: ENABLE DEBUG OUTPUT
+SIOBOOT		.SET	0		; SIO: REBOOT ON RCV CHAR (0=DISABLED)
+SIOCNT		.SET	1		; SIO: NUMBER OF CHIPS TO DETECT (1-2), 2 CHANNELS PER CHIP
+SIOINTS		.SET	TRUE		; SIO: INCLUDE SIO INTERRUPT SUPPORT UNDER IM1/2/3
+SIO0MODE	.SET	SIOMODE_ZP	; SIO 0: CHIP TYPE: SIOMODE_[STD|RC|SMB|ZP|Z80R]
+SIO0BASE	.SET	$60		; SIO 0: REGISTERS BASE ADR
+SIO0ACLK	.SET	(7372800/4)	; SIO 0A: OSC FREQ IN HZ, ZP=2457600/4915200, RC/SMB=7372800
+SIO0ACFG	.SET	DEFSERCFG	; SIO 0A: SERIAL LINE CONFIG
+SIO0ACTCC	.SET	0		; SIO 0A: CTC CHANNEL 0=A, 1=B, 2=C, 3=D, -1 FOR NONE
+SIO0BCLK	.SET	(7372800/4)	; SIO 0B: OSC FREQ IN HZ, ZP=2457600/4915200, RC/SMB=7372800
+SIO0BCFG	.SET	DEFSERCFG	; SIO 0B: SERIAL LINE CONFIG
+SIO0BCTCC	.SET	1		; SIO 0B: CTC CHANNEL 0=A, 1=B, 2=C, 3=D, -1 FOR NONE
+;
+XIOCFG		.SET	DEFSERCFG	; XIO: SERIAL LINE CONFIG
+;
+VDUENABLE	.SET	FALSE		; VDU: ENABLE VDU VIDEO/KBD DRIVER (VDU.ASM)
+VDUSIZ		.SET	V80X25		; VDU: DISPLAY FORMAT [V80X24|V80X25|V80X30]
+CVDUENABLE	.SET	FALSE		; CVDU: ENABLE CVDU VIDEO/KBD DRIVER (CVDU.ASM)
+CVDUMODE	.SET	CVDUMODE_MBC	; CVDU: CVDU MODE: CVDUMODE_[NONE|ECB|MBC]
+CVDUMON		.SET	CVDUMON_CGA	; CVDU: CVDU MONITOR SETUP: CVDUMON_[NONE|CGA|EGA]
+GDCENABLE	.SET	FALSE		; GDC: ENABLE 7220 GDC VIDEO/KBD DRIVER (GDC.ASM)
+TMSENABLE	.SET	TRUE		; TMS: ENABLE TMS9918 VIDEO/KBD DRIVER (TMS.ASM)
+TMSMODE		.SET	TMSMODE_DUO	; TMS: DRIVER MODE: TMSMODE_[SCG|N8|MSX|MSXKBD|MSXMKY|MBC|COLECO|DUO|NABU]
+TMS80COLS	.SET	TRUE		; TMS: ENABLE 80 COLUMN SCREEN, REQUIRES V9958
+TMSTIMENABLE	.SET	FALSE		; TMS: ENABLE TIMER INTERRUPTS (REQUIRES IM1)
+VGAENABLE	.SET	FALSE		; VGA: ENABLE VGA VIDEO/KBD DRIVER (VGA.ASM)
+VGASIZ		.SET	V80X25		; VGA: DISPLAY FORMAT [V80X25|V80X30|V80X43]
+VRCENABLE	.SET	FALSE		; VRC: ENABLE VGARC VIDEO/KBD DRIVER (VRC.ASM)
+SCONENABLE	.SET	FALSE		; SCON: ENABLE S100 CONSOLE DRIVER (SCON.ASM)
+EFENABLE	.SET	FALSE		; EF: ENABLE EF9345 VIDEO DRIVER (EF.ASM)
+FVENABLE	.SET	FALSE		; FV: ENABLE FPGA VGA VIDEO DRIVER (FV.ASM)
+;
+MDENABLE	.SET	TRUE		; MD: ENABLE MEMORY (ROM/RAM) DISK DRIVER (MD.ASM)
+MDROM		.SET	TRUE		; MD: ENABLE ROM DISK
+MDRAM		.SET	TRUE		; MD: ENABLE RAM DISK
+MDTRACE		.SET	1		; MD: TRACE LEVEL (0=NO,1=ERRORS,2=ALL)
+MDFFENABLE	.SET	FALSE		; MD: ENABLE FLASH FILE SYSTEM
+;
+;
+FDENABLE	.SET	TRUE		; FD: ENABLE FLOPPY DISK DRIVER (FD.ASM)
+FDMODE		.SET	FDMODE_DUO	; FD: DRIVER MODE: FDMODE_[DIO|ZETA|ZETA2|DIDE|N8|DIO3|RCSMC|RCWDC|DYNO|EPFDC|MBC]
+FDCNT		.SET	2		; FD: NUMBER OF FLOPPY DRIVES ON THE INTERFACE (1-2)
+FDTRACE		.SET	1		; FD: TRACE LEVEL (0=NO,1=FATAL,2=ERRORS,3=ALL)
+FDMAUTO		.SET	TRUE		; FD: AUTO SELECT DEFAULT/ALTERNATE MEDIA FORMATS
+FD0TYPE		.SET	FDT_3HD		; FD 0: DRIVE TYPE: FDT_[3DD|3HD|5DD|5HD|8]
+FD1TYPE		.SET	FDT_3HD		; FD 1: DRIVE TYPE: FDT_[3DD|3HD|5DD|5HD|8]
+;
+RFENABLE	.SET	FALSE		; RF: ENABLE RAM FLOPPY DRIVER
+RFCNT		.SET	1		; RF: NUMBER OF RAM FLOPPY UNITS (1-4)
+;
+IDEENABLE	.SET	FALSE		; IDE: ENABLE IDE DISK DRIVER (IDE.ASM)
+IDETRACE	.SET	1		; IDE: TRACE LEVEL (0=NO,1=ERRORS,2=ALL)
+IDECNT		.SET	1		; IDE: NUMBER OF IDE INTERFACES TO DETECT (1-3), 2 DRIVES EACH
+IDE0MODE	.SET	IDEMODE_DIO	; IDE 0: DRIVER MODE: IDEMODE_[DIO|DIDE|MK4|RC]
+IDE0BASE	.SET	$20		; IDE 0: IO BASE ADDRESS
+IDE0DATLO	.SET	$20		; IDE 0: DATA LO PORT FOR 16-BIT I/O
+IDE0DATHI	.SET	$28		; IDE 0: DATA HI PORT FOR 16-BIT I/O
+IDE0A8BIT	.SET	FALSE		; IDE 0A (MASTER): 8 BIT XFER
+IDE0B8BIT	.SET	FALSE		; IDE 0B (MASTER): 8 BIT XFER
+IDE1MODE	.SET	IDEMODE_NONE	; IDE 1: DRIVER MODE: IDEMODE_[DIO|DIDE|MK4|RC]
+IDE1BASE	.SET	$00		; IDE 1: IO BASE ADDRESS
+IDE1DATLO	.SET	$00		; IDE 1: DATA LO PORT FOR 16-BIT I/O
+IDE1DATHI	.SET	$00		; IDE 1: DATA HI PORT FOR 16-BIT I/O
+IDE1A8BIT	.SET	TRUE		; IDE 1A (MASTER): 8 BIT XFER
+IDE1B8BIT	.SET	TRUE		; IDE 1B (MASTER): 8 BIT XFER
+IDE2MODE	.SET	IDEMODE_NONE	; IDE 2: DRIVER MODE: IDEMODE_[DIO|DIDE|MK4|RC]
+IDE2BASE	.SET	$00		; IDE 2: IO BASE ADDRESS
+IDE2DATLO	.SET	$00		; IDE 2: DATA LO PORT FOR 16-BIT I/O
+IDE2DATHI	.SET	$00		; IDE 2: DATA HI PORT FOR 16-BIT I/O
+IDE2A8BIT	.SET	TRUE		; IDE 2A (MASTER): 8 BIT XFER
+IDE2B8BIT	.SET	TRUE		; IDE 2B (MASTER): 8 BIT XFER
+;
+PPIDEENABLE	.SET	TRUE		; PPIDE: ENABLE PARALLEL PORT IDE DISK DRIVER (PPIDE.ASM)
+PPIDETRACE	.SET	1		; PPIDE: TRACE LEVEL (0=NO,1=ERRORS,2=ALL)
+PPIDECNT	.SET	1		; PPIDE: NUMBER OF PPI CHIPS TO DETECT (1-3), 2 DRIVES PER CHIP
+PPIDE0BASE	.SET	$88		; PPIDE 0: PPI REGISTERS BASE ADR
+PPIDE0A8BIT	.SET	FALSE		; PPIDE 0A (MASTER): 8 BIT XFER
+PPIDE0B8BIT	.SET	FALSE		; PPIDE 0B (SLAVE): 8 BIT XFER
+PPIDE1BASE	.SET	$20		; PPIDE 1: PPI REGISTERS BASE ADR
+PPIDE1A8BIT	.SET	FALSE		; PPIDE 1A (MASTER): 8 BIT XFER
+PPIDE1B8BIT	.SET	FALSE		; PPIDE 0B (SLAVE): 8 BIT XFER
+PPIDE2BASE	.SET	$14		; PPIDE 2: PPI REGISTERS BASE ADR
+PPIDE2A8BIT	.SET	FALSE		; PPIDE 2A (MASTER): 8 BIT XFER
+PPIDE2B8BIT	.SET	FALSE		; PPIDE 0B (SLAVE): 8 BIT XFER
+;
+SDENABLE	.SET	TRUE		; SD: ENABLE SD CARD DISK DRIVER (SD.ASM)
+SDMODE		.SET	SDMODE_MT	; SD: DRIVER MODE: SDMODE_[JUHA|N8|CSIO|PPI|UART|DSD|MK4|SC|MT|USR|PIO|Z80R|EPITX|FZ80]
+SDPPIBASE	.SET	$60		; SD: BASE I/O ADDRESS OF PPI FOR PPI MODDE
+SDCNT		.SET	1		; SD: NUMBER OF SD CARD DEVICES (1-2), FOR DSD/SC/MT ONLY
+SDTRACE		.SET	1		; SD: TRACE LEVEL (0=NO,1=ERRORS,2=ALL)
+SDCSIOFAST	.SET	FALSE		; SD: ENABLE TABLE-DRIVEN BIT INVERTER IN CSIO MODE
+SDMTSWAP	.SET	TRUE		; SD: SWAP THE LOGICAL ORDER OF THE SPI PORTS OF THE MT011
+;
+CHENABLE	.SET	FALSE		; CH: ENABLE CH375/376 USB SUPPORT
+CHTRACE		.SET	1		; CH: TRACE LEVEL (0=NO,1=ERRORS,2=ALL)
+CHUSBTRACE	.SET	1		; CHUSB: TRACE LEVEL (0=NO,1=ERRORS,2=ALL)
+CHSDTRACE	.SET	1		; CHSD: TRACE LEVEL (0=NO,1=ERRORS,2=ALL)
+CHCNT		.SET	1		; CH: NUMBER OF BOARDS TO DETECT (1-2)
+CH0BASE		.SET	$4E		; CH 0: BASE I/O ADDRESS
+CH0USBENABLE	.SET	TRUE		; CH 0: ENABLE USB DISK
+CH0SDENABLE	.SET	TRUE		; CH 0: ENABLE SD DISK
+CH1BASE		.SET	$FF		; CH 1: BASE I/O ADDRESS
+CH1USBENABLE	.SET	FALSE		; CH 1: ENABLE USB DISK
+CH1SDENABLE	.SET	FALSE		; CH 1: ENABLE SD DISK
+;
+PRPENABLE	.SET	FALSE		; PRP: ENABLE ECB PROPELLER IO BOARD DRIVER (PRP.ASM)
+PRPSDENABLE	.SET	TRUE		; PRP: ENABLE PROPIO DRIVER SD CARD SUPPORT
+PRPSDTRACE	.SET	1		; PRP: SD CARD TRACE LEVEL (0=NO,1=ERRORS,2=ALL)
+PRPCONENABLE	.SET	TRUE		; PRP: ENABLE PROPIO DRIVER VIDEO/KBD SUPPORT
+;
+PPPENABLE	.SET	FALSE		; PPP: ENABLE ZETA PARALLEL PORT PROPELLER BOARD DRIVER (PPP.ASM)
+;
+ESPENABLE	.SET	FALSE		; ESP: ENABLE ESP32 IO BOARD DRIVER (ESP.ASM)
+ESPCONENABLE	.SET	TRUE		; ESP: ENABLE ESP32 CONSOLE IO DRIVER VIDEO/KBD SUPPORT
+;
+HDSKENABLE	.SET	FALSE		; HDSK: ENABLE SIMH HDSK DISK DRIVER (HDSK.ASM)
+HDSKTRACE	.SET	1		; HDSK: TRACE LEVEL (0=NO,1=ERRORS,2=ALL)
+;
+PIOENABLE	.SET	TRUE		; PIO: ENABLE ZILOG PIO DRIVER (PIO.ASM)
+PIOCNT		.SET	2		; PIO: NUMBER OF CHIPS TO DETECT (1-2), 2 CHANNELS PER CHIP
+PIO0BASE	.SET	$68		; PIO 0: REGISTERS BASE ADR
+PIO1BASE	.SET	$6C		; PIO 1: REGISTERS BASE ADR
+;
+LPTENABLE	.SET	TRUE		; LPT: ENABLE CENTRONICS PRINTER DRIVER (LPT.ASM)
+LPTMODE		.SET	LPTMODE_SPP	; LPT: DRIVER MODE: LPTMODE_[NONE|SPP|MG014]
+LPTCNT		.SET	1		; LPT: NUMBER OF CHIPS TO DETECT (1-2)
+LPTTRACE	.SET	1		; LPT: TRACE LEVEL (0=NO,1=ERRORS,2=ALL)
+LPT0BASE	.SET	$48		; LPT 0: REGISTERS BASE ADR
+LPT1BASE	.SET	$EC		; LPT 1: REGISTERS BASE ADR
+;
+PPAENABLE	.SET	FALSE		; PPA: ENABLE PPA DISK DRIVER (PPA.ASM)
+PPACNT		.SET	1		; PPA: NUMBER OF PPA DEVICES (1-2)
+PPATRACE	.SET	1		; PPA: TRACE LEVEL (0=NO,1=ERRORS,2=ALL)
+PPAMODE		.SET	PPAMODE_SPP	; PPA: DRIVER MODE: PPAMODE_[NONE|MG014]
+PPA0BASE	.SET	LPT0BASE	; PPA 0: BASE I/O ADDRESS OF PPI FOR PPA
+PPA1BASE	.SET	LPT1BASE	; PPA 1: BASE I/O ADDRESS OF PPI FOR PPA
+;
+IMMENABLE	.SET	FALSE		; IMM: ENABLE IMM DISK DRIVER (IMM.ASM)
+IMMCNT		.SET	1		; IMM: NUMBER OF IMM DEVICES (1-2)
+IMMTRACE	.SET	1		; IMM: TRACE LEVEL (0=NO,1=ERRORS,2=ALL)
+IMMMODE		.SET	IMMMODE_SPP	; IMM: DRIVER MODE: IMMMODE_[NONE|SPP|MG014]
+IMM0BASE	.SET	LPT0BASE	; IMM 0: BASE I/O ADDRESS OF PPI FOR IMM
+IMM1BASE	.SET	LPT1BASE	; IMM 1: BASE I/O ADDRESS OF PPI FOR IMM
+;
+SYQENABLE	.SET	FALSE		; SYQ: ENABLE IMM DISK DRIVER (SYQ.ASM)
+SYQCNT		.SET	1		; SYQ: NUMBER OF SYQ DEVICES (1-2)
+SYQTRACE	.SET	1		; SYQ: TRACE LEVEL (0=NO,1=ERRORS,2=ALL)
+SYQMODE		.SET	IMMMODE_SPP	; SYQ: DRIVER MODE: SYQMODE_[NONE|SPP|MG014]
+SYQ0BASE	.SET	LPT0BASE	; SYQ 0: BASE I/O ADDRESS OF PPI FOR SYQ
+SYQ1BASE	.SET	LPT1BASE	; SYQ 1: BASE I/O ADDRESS OF PPI FOR SYQ
+;
+PIO_4P		.SET	FALSE		; PIO: ENABLE PARALLEL PORT DRIVER FOR ECB 4P BOARD
+PIO4BASE	.SET	$90		; PIO: PIO REGISTERS BASE ADR FOR ECB 4P BOARD
+PIO_ZP		.SET	FALSE		; PIO: ENABLE PARALLEL PORT DRIVER FOR ECB ZILOG PERIPHERALS BOARD (PIO.ASM)
+PIOZBASE	.SET	$88		; PIO: PIO REGISTERS BASE ADR FOR ECB ZP BOARD
+PIO_SBC		.SET	FALSE		; PIO: ENABLE PARALLEL PORT DRIVER FOR 8255 CHIP
+PIOSBASE	.SET	$60		; PIO: PIO REGISTERS BASE ADR FOR SBC PPI
+;
+UFENABLE	.SET	FALSE		; UF: ENABLE ECB USB FIFO DRIVER (UF.ASM)
+UFBASE		.SET	$0C		; UF: REGISTERS BASE ADR
+;
+SN76489ENABLE	.SET	FALSE		; SN: ENABLE SN76489 SOUND DRIVER
+AUDIOTRACE	.SET	FALSE		; ENABLE TRACING TO CONSOLE OF SOUND DRIVER
+SN7CLK		.SET	3579545		; SN: PSG CLOCK FREQ, ASSUME MSX STD
+SNMODE		.SET	SNMODE_DUO	; SN: DRIVER MODE: SNMODE_[NONE|RC|VGM|DUO]
+;
+AY38910ENABLE	.SET	TRUE		; AY: ENABLE AY-3-8910 / YM2149 SOUND DRIVER
+AY_CLK		.SET	1789772		; AY: PSG CLOCK FREQ, ASSUME MSX STD
+AYMODE		.SET	AYMODE_DUO	; AY: DRIVER MODE: AYMODE_[SCG|N8|RCZ80|RCZ180|MSX|LINC|MBC|DUO|NABU]
+;
+SPKENABLE	.SET	TRUE		; SPK: ENABLE RTC LATCH IOBIT SOUND DRIVER (SPK.ASM)
+;
+DMAENABLE	.SET	TRUE		; DMA: ENABLE DMA DRIVER (DMA.ASM)
+DMABASE		.SET	$40		; DMA: DMA BASE ADDRESS
+DMAMODE		.SET	DMAMODE_DUO	; DMA: DMA MODE (NONE|ECB|Z180|Z280|RC|MBC|DUO)
+;
+YM2612ENABLE	.SET	FALSE		; YM2612: ENABLE YM2612 DRIVER
+VGMBASE		.SET	$C0		; YM2612: BASE ADDRESS FOR VGM BOARD (YM2612/SN76489s/CTC)

Source/HBIOS/cfg_DYNO.asm

@@ -0,0 +1,361 @@
+;
+;==================================================================================================
+;   ROMWBW PLATFORM CONFIGURATION DEFAULTS FOR PLATFORM: DYNO
+;==================================================================================================
+;
+; THIS FILE DEFINES THE DEFAULT CONFIGURATION SETTINGS FOR THE PLATFORM
+; INDICATED ABOVE. THIS FILE SHOULD *NOT* NORMALLY BE CHANGED.	INSTEAD,
+; YOU SHOULD OVERRIDE SETTINGS YOU WANT USING A CONFIGURATION FILE IN
+; THE CONFIG DIRECTORY UNDER THIS DIRECTORY.
+;
+; THIS FILE SHOULD *NOT* NORMALLY BE CHANGED.  IT IS MAINTAINED BY THE
+; AUTHORS OF ROMWBW.  TO OVERRIDE SETTINGS YOU SHOULD USE A
+; CONFIGURATION FILE IN THE CONFIG DIRECTORY UNDER THIS DIRECTORY.
+;
+; ROMWBW USES CASCADING CONFIGURATION FILES AS INDICATED BELOW:
+;
+; cfg_MASTER.asm			- MASTER: CONFIGURATION FILE DEFINES ALL POSSIBLE ROMWBW SETTINGS
+; |
+; +-> cfg_<platform>.asm		- PLATFORM: DEFAULT SETTINGS FOR SPECIFIC PLATFORM
+;     |
+;     +-> Config/<plt>_std.asm		- BUILD: SETTINGS FOR EACH OFFICIAL DIST BUILD
+;         |
+;         +-> Config/<plt>_<cust>.asm	- USER: CUSTOM USER BUILD SETTINGS
+;
+; THE TOP (MASTER CONFIGURATION) FILE DEFINES ALL POSSIBLE ROMWBW
+; CONFIGURATION SETTINGS. EACH FILE BELOW THE MASTER CONFIGURATION FILE
+; INHERITS THE CUMULATIVE SETTINGS OF THE FILES ABOVE IT AND MAY
+; OVERRIDE THESE SETTINGS AS DESIRED.
+;
+; OTHER THAN THE TOP MASTER FILE, EACH FILE MUST "#INCLUDE" ITS PARENT
+; FILE (SEE #INCLUDE STATEMENT BELOW).  THE TOP TWO FILES SHOULD NOT BE
+; MODIFIED.  TO CUSTOMIZE YOUR BUILD SETTINGS YOU SHOULD MODIFY THE
+; DEFAULT BUILD SETTINGS (Config/<platform>_std.asm) OR PREFERABLY
+; CREATE AN OPTIONAL CUSTOM USER SETTINGS FILE THAT INCLUDES THE DEFAULT
+; BUILD SETTINGS FILE (SEE EXAMPLE Config/SBC_user.asm).
+;
+; BY CREATING A CUSTOM USER SETTINGS FILE, YOU ARE LESS LIKELY TO BE
+; IMPACTED BY FUTURE CHANGES BECAUSE YOU WILL BE INHERITING MOST
+; OF YOUR SETTINGS WHICH WILL BE UPDATED BY AUTHORS AS ROMWBW EVOLVES.
+;
+; *** WARNING: ASIDE FROM THE MASTER CONFIGURATION FILE, YOU MUST USE
+; ".SET" TO OVERRIDE SETTINGS.  THE ASSEMBLER WILL ERROR IF YOU ATTEMPT
+; TO USE ".EQU" BECAUSE IT WON'T LET YOU REDEFINE A SETTING WITH ".EQU".
+;
+#DEFINE PLATFORM_NAME "Dyno", " [", CONFIG, "]"
+;
+#INCLUDE "cfg_MASTER.asm"
+;
+PLATFORM	.SET	PLT_DYNO	; PLT_[SBC|ZETA|ZETA2|N8|MK4|UNA|RCZ80|RCZ180|EZZ80|SCZ180|DYNO|RCZ280|MBC|RPH|Z80RETRO|S100|DUO|HEATH|EPITX|MON|STDZ180|NABU|FZ80]
+CPUFAM		.SET	CPU_Z180	; CPU FAMILY: CPU_[Z80|Z180|Z280]
+BIOS		.SET	BIOS_WBW	; HARDWARE BIOS: BIOS_[WBW|UNA]
+BATCOND		.SET	FALSE		; ENABLE LOW BATTERY WARNING MESSAGE
+HBIOS_MUTEX	.SET	FALSE		; ENABLE REENTRANT CALLS TO HBIOS (ADDS OVERHEAD)
+USELZSA2	.SET	TRUE		; ENABLE FONT COMPRESSION
+TICKFREQ	.SET	50		; DESIRED PERIODIC TIMER INTERRUPT FREQUENCY (HZ)
+;
+BOOT_TIMEOUT	.SET	-1		; AUTO BOOT TIMEOUT IN SECONDS, -1 TO DISABLE, 0 FOR IMMEDIATE
+BOOT_DELAY	.SET	0		; FIXED BOOT DELAY IN SECONDS PRIOR TO CONSOLE OUTPUT
+AUTOCON		.SET	TRUE		; ENABLE CONSOLE TAKEOVER AT LOADER PROMPT
+;
+CPUSPDCAP	.SET	SPD_FIXED	; CPU SPEED CHANGE CAPABILITY SPD_FIXED|SPD_HILO
+CPUSPDDEF	.SET	SPD_HIGH	; CPU SPEED DEFAULT SPD_UNSUP|SPD_HIGH|SPD_LOW
+CPUOSC		.SET	18432000	; CPU OSC FREQ IN MHZ
+INTMODE		.SET	2		; INTERRUPTS: 0=NONE, 1=MODE 1, 2=MODE 2, 3=MODE 3 (Z280)
+DEFSERCFG	.SET	SER_38400_8N1 | SER_RTS	; DEFAULT SERIAL LINE CONFIG (SEE STD.ASM)
+;
+RAMSIZE		.SET	512		; SIZE OF RAM IN KB (MUST MATCH YOUR HARDWARE!!!)
+ROMSIZE		.SET	512		; SIZE OF ROM IN KB (MUST MATCH YOUR HARDWARE!!!)
+APP_BNKS	.SET	$FF		; BANKS TO RESERVE FOR APP USE ($FF FOR AUTO SIZING)
+MEMMGR		.SET	MM_Z180		; MEMORY MANAGER: MM_[SBC|Z2|N8|Z180|Z280|MBC|RPH|MON]
+RAMBIAS		.SET	ROMSIZE		; OFFSET OF START OF RAM IN PHYSICAL ADDRESS SPACE
+MPGSEL_0	.SET	$78		; Z2 MEM MGR BANK 0 PAGE SELECT REG (WRITE ONLY)
+MPGSEL_1	.SET	$79		; Z2 MEM MGR BANK 1 PAGE SELECT REG (WRITE ONLY)
+MPGSEL_2	.SET	$7A		; Z2 MEM MGR BANK 2 PAGE SELECT REG (WRITE ONLY)
+MPGSEL_3	.SET	$7B		; Z2 MEM MGR BANK 3 PAGE SELECT REG (WRITE ONLY)
+MPGENA		.SET	$7C		; Z2 MEM MGR PAGING ENABLE REGISTER (BIT 0, WRITE ONLY)
+;
+Z180_BASE	.SET	$C0		; Z180: I/O BASE ADDRESS FOR INTERNAL REGISTERS
+Z180_CLKDIV	.SET	1		; Z180: CHK DIV: 0=OSC/2, 1=OSC, 2=OSC*2
+Z180_MEMWAIT	.SET	0		; Z180: MEMORY WAIT STATES (0-3)
+Z180_IOWAIT	.SET	1		; Z180: I/O WAIT STATES TO ADD ABOVE 1 W/S BUILT-IN (0-3)
+Z180_TIMER	.SET	TRUE		; Z180: ENABLE Z180 SYSTEM PERIODIC TIMER
+;
+RTCIO		.SET	$0C		; RTC LATCH REGISTER ADR
+;
+KIOENABLE	.SET	FALSE		; ENABLE ZILOG KIO SUPPORT
+KIOBASE		.SET	$80		; KIO BASE I/O ADDRESS
+;
+CTCENABLE	.SET	FALSE		; ENABLE ZILOG CTC SUPPORT
+CTCDEBUG	.SET	FALSE		; ENABLE CTC DRIVER DEBUG OUTPUT
+CTCBASE		.SET	$88		; CTC BASE I/O ADDRESS
+CTCTIMER	.SET	FALSE		; ENABLE CTC PERIODIC TIMER
+;
+PCFENABLE	.SET	FALSE		; ENABLE PCF8584 I2C CONTROLLER
+PCFBASE		.SET	$F0		; PCF8584 BASE I/O ADDRESS
+;
+EIPCENABLE	.SET	FALSE		; EIPC: ENABLE Z80 EIPC (Z84C15) INITIALIZATION
+;
+SKZENABLE	.SET	FALSE		; ENABLE SERGEY'S Z80-512K FEATURES
+;
+WDOGMODE	.SET	WDOG_NONE	; WATCHDOG MODE: WDOG_[NONE|EZZ80|SKZ]
+;
+FPLED_ENABLE	.SET	FALSE		; FP: ENABLES FRONT PANEL LEDS
+FPLED_IO	.SET	$00		; FP: PORT ADDRESS FOR FP LEDS
+FPLED_INV	.SET	FALSE		; FP: LED BITS ARE INVERTED
+FPLED_DSKACT	.SET	TRUE		; FP: ENABLES DISK I/O ACTIVITY ON FP LEDS
+FPSW_ENABLE	.SET	FALSE		; FP: ENABLES FRONT PANEL SWITCHES
+FPSW_IO		.SET	$00		; FP: PORT ADDRESS FOR FP SWITCHES
+FPSW_INV	.SET	FALSE		; FP: SWITCH BITS ARE INVERTED
+;
+DIAGLVL		.SET	DL_CRITICAL	; ERROR LEVEL REPORTING
+;
+LEDENABLE	.SET	FALSE		; ENABLES STATUS LED (SINGLE LED)
+LEDMODE		.SET	LEDMODE_STD	; LEDMODE_[STD|SC|RTC|NABU]
+LEDPORT		.SET	$0E		; STATUS LED PORT ADDRESS
+LEDDISKIO	.SET	TRUE		; ENABLES DISK I/O ACTIVITY ON STATUS LED
+;
+DSKYENABLE	.SET	FALSE		; ENABLES DSKY FUNCTIONALITY
+DSKYDSKACT	.SET	TRUE		; ENABLES DISK ACTIVITY ON DSKY DISPLAY
+ICMENABLE	.SET	FALSE		; ENABLES ORIGINAL DSKY ICM DRIVER (7218)
+ICMPPIBASE	.SET	$60		; BASE I/O ADDRESS OF ICM PPI
+PKDENABLE	.SET	FALSE		; ENABLES DSKY NG PKD DRIVER (8259)
+PKDPPIBASE	.SET	$60		; BASE I/O ADDRESS OF PKD PPI
+PKDOSC		.SET	3000000		; OSCILLATOR FREQ FOR PKD (IN HZ)
+H8PENABLE	.SET	FALSE		; ENABLES HEATH H8 FRONT PANEL
+LCDENABLE	.SET	FALSE		; ENABLE LCD DISPLAY
+LCDBASE		.SET	$DA		; BASE I/O ADDRESS OF LCD CONTROLLER
+LCDDSKACT	.SET	TRUE		; ENABLES DISK ACTIVITY ON LCD DISPLAY
+GM7303ENABLE	.SET	FALSE		; ENABLES THE PROLOG 7303 BOARD WITH 16X2 LCD
+;
+BOOTCON		.SET	0		; BOOT CONSOLE DEVICE
+SECCON		.SET	$FF		; SECONDARY CONSOLE DEVICE
+CRTACT		.SET	FALSE		; ACTIVATE CRT (VDU,CVDU,PROPIO,ETC) AT STARTUP
+VDAEMU		.SET	EMUTYP_ANSI	; VDA EMULATION: EMUTYP_[TTY|ANSI]
+VDAEMU_SERKBD	.SET	$FF		; VDA EMULATION: SERIAL KBD UNIT #, OR $FF FOR HW KBD
+ANSITRACE	.SET	1		; ANSI DRIVER TRACE LEVEL (0=NO,1=ERRORS,2=ALL)
+PPKTRACE	.SET	1		; PPK DRIVER TRACE LEVEL (0=NO,1=ERRORS,2=ALL)
+KBDTRACE	.SET	1		; KBD DRIVER TRACE LEVEL (0=NO,1=ERRORS,2=ALL)
+PPKKBLOUT	.SET	KBD_US		; PPK KEYBOARD LANGUAGE: KBD_[US|DE]
+KBDKBLOUT	.SET	KBD_US		; KBD KEYBOARD LANGUAGE: KBD_[US|DE]
+MKYKBLOUT	.SET	KBD_US		; KBD KEYBOARD LANGUAGE: KBD_[US|DE]
+;
+DSRTCENABLE	.SET	FALSE		; DSRTC: ENABLE DS-1302 CLOCK DRIVER (DSRTC.ASM)
+DSRTCMODE	.SET	DSRTCMODE_STD	; DSRTC: OPERATING MODE: DSRTC_[STD|MFPIC|K80W]
+DSRTCCHG	.SET	FALSE		; DSRTC: FORCE BATTERY CHARGE ON (USE WITH CAUTION!!!)
+;
+DS1501RTCENABLE	.SET	FALSE		; DS1501RTC: ENABLE DS-1501 CLOCK DRIVER (DS1501RTC.ASM)
+DS1501RTC_BASE	.SET	$50		; DS1501RTC: I/O BASE ADDRESS
+;
+BQRTCENABLE	.SET	TRUE		; BQRTC: ENABLE BQ4845 CLOCK DRIVER (BQRTC.ASM)
+BQRTC_BASE	.SET	$50		; BQRTC: I/O BASE ADDRESS
+;
+INTRTCENABLE	.SET	FALSE		; ENABLE PERIODIC INTERRUPT CLOCK DRIVER (INTRTC.ASM)
+;
+RP5RTCENABLE	.SET	FALSE		; RP5C01 RTC BASED CLOCK (RP5RTC.ASM)
+;
+HTIMENABLE	.SET	FALSE		; ENABLE SIMH TIMER SUPPORT
+SIMRTCENABLE	.SET	FALSE		; ENABLE SIMH CLOCK DRIVER (SIMRTC.ASM)
+;
+DS7RTCENABLE	.SET	FALSE		; DS7RTC: ENABLE DS-1307 I2C CLOCK DRIVER (DS7RTC.ASM)
+DS7RTCMODE	.SET	DS7RTCMODE_PCF	; DS7RTC: OPERATING MODE: DS7RTC_[PCF]
+;
+DS5RTCENABLE	.SET	FALSE		; DS5RTC: ENABLE DS-1305 SPI CLOCK DRIVER (DS5RTC.ASM)
+;
+SSERENABLE	.SET	FALSE		; SSER: ENABLE SIMPLE SERIAL DRIVER (SSER.ASM)
+SSERCFG		.SET	SER_9600_8N1	; SSER: SERIAL LINE CONFIG
+SSERSTATUS	.SET	$FF		; SSER: STATUS PORT
+SSERDATA	.SET	$FF		; SSER: DATA PORT
+SSERIRDY	.SET	%00000001	; SSER: INPUT READY BIT MASK
+SSERIINV	.SET	FALSE		; SSER: INPUT READY BIT INVERTED
+SSERORDY	.SET	%00000010	; SSER: OUTPUT READY BIT MASK
+SSEROINV	.SET	FALSE		; SSER: OUTPUT READY BIT INVERTED
+;
+DUARTENABLE	.SET	FALSE		; DUART: ENABLE 2681/2692 SERIAL DRIVER (DUART.ASM)
+DUARTCNT	.SET	1		; DUART: NUMBER OF CHIPS TO DETECT (1-2)
+DUART0BASE	.SET	$A0		; DUART 0: BASE ADDRESS OF CHIP
+DUART0ACFG	.SET	DEFSERCFG	; DUART 0A: SERIAL LINE CONFIG
+DUART0BCFG	.SET	DEFSERCFG	; DUART 0B: SERIAL LINE CONFIG
+DUART1BASE	.SET	$40		; DUART 1: BASE ADDRESS OF CHIP
+DUART1ACFG	.SET	DEFSERCFG	; DUART 1A: SERIAL LINE CONFIG
+DUART1BCFG	.SET	DEFSERCFG	; DUART 1B: SERIAL LINE CONFIG
+;
+UARTENABLE	.SET	FALSE		; UART: ENABLE 8250/16550-LIKE SERIAL DRIVER (UART.ASM)
+UARTCNT		.SET	1		; UART: NUMBER OF CHIPS TO DETECT (1-8)
+UARTOSC		.SET	1843200		; UART: OSC FREQUENCY IN MHZ
+UARTINTS	.SET	FALSE		; UART: INCLUDE INTERRUPT SUPPORT UNDER IM1/2/3
+UART4UART	.SET	FALSE		; UART: SUPPORT 4UART ECB BOARD
+UART4UARTBASE	.SET	$C0		; UART: BASE IO ADDRESS OF 4UART ECB BOARD
+UART0BASE	.SET	$FF		; UART 0: REGISTERS BASE ADR
+UART0CFG	.SET	DEFSERCFG	; UART 0: SERIAL LINE CONFIG
+UART1BASE	.SET	$FF		; UART 1: REGISTERS BASE ADR
+UART1CFG	.SET	DEFSERCFG	; UART 1: SERIAL LINE CONFIG
+UART2BASE	.SET	$FF		; UART 2: REGISTERS BASE ADR
+UART2CFG	.SET	DEFSERCFG	; UART 2: SERIAL LINE CONFIG
+UART3BASE	.SET	$FF		; UART 3: REGISTERS BASE ADR
+UART3CFG	.SET	DEFSERCFG	; UART 3: SERIAL LINE CONFIG
+UART4BASE	.SET	$FF		; UART 4: REGISTERS BASE ADR
+UART4CFG	.SET	DEFSERCFG	; UART 4: SERIAL LINE CONFIG
+UART5BASE	.SET	$FF		; UART 5: REGISTERS BASE ADR
+UART5CFG	.SET	DEFSERCFG	; UART 5: SERIAL LINE CONFIG
+UART6BASE	.SET	$FF		; UART 6: REGISTERS BASE ADR
+UART6CFG	.SET	DEFSERCFG	; UART 6: SERIAL LINE CONFIG
+UART7BASE	.SET	$FF		; UART 7: REGISTERS BASE ADR
+UART7CFG	.SET	DEFSERCFG	; UART 7: SERIAL LINE CONFIG
+;
+ASCIENABLE	.SET	TRUE		; ASCI: ENABLE Z180 ASCI SERIAL DRIVER (ASCI.ASM)
+ASCIINTS	.SET	TRUE		; ASCI: INCLUDE INTERRUPT SUPPORT UNDER IM1/2/3
+ASCISWAP	.SET	FALSE		; ASCI: SWAP CHANNELS
+ASCIBOOT	.SET	0		; ASCI: REBOOT ON RCV CHAR (0=DISABLED)
+ASCI0CFG	.SET	DEFSERCFG	; ASCI 0: SERIAL LINE CONFIG
+ASCI1CFG	.SET	DEFSERCFG	; ASCI 1: SERIAL LINE CONFIG
+;
+Z2UENABLE	.SET	FALSE		; Z2U: ENABLE Z280 UART SERIAL DRIVER (Z2U.ASM)
+;
+ACIAENABLE	.SET	FALSE		; ACIA: ENABLE MOTOROLA 6850 ACIA DRIVER (ACIA.ASM)
+;
+SIOENABLE	.SET	FALSE		; SIO: ENABLE ZILOG SIO SERIAL DRIVER (SIO.ASM)
+SIODEBUG	.SET	FALSE		; SIO: ENABLE DEBUG OUTPUT
+SIOBOOT		.SET	0		; SIO: REBOOT ON RCV CHAR (0=DISABLED)
+SIOCNT		.SET	2		; SIO: NUMBER OF CHIPS TO DETECT (1-2), 2 CHANNELS PER CHIP
+SIOINTS		.SET	TRUE		; SIO: INCLUDE SIO INTERRUPT SUPPORT UNDER IM1/2/3
+SIO0MODE	.SET	SIOMODE_RC	; SIO 0: CHIP TYPE: SIOMODE_[STD|RC|SMB|ZP|Z80R]
+SIO0BASE	.SET	$80		; SIO 0: REGISTERS BASE ADR
+SIO0ACLK	.SET	7372800		; SIO 0A: OSC FREQ IN HZ, ZP=2457600/4915200, RC/SMB=7372800
+SIO0ACFG	.SET	SER_115200_8N1	; SIO 0A: SERIAL LINE CONFIG
+SIO0ACTCC	.SET	-1		; SIO 0A: CTC CHANNEL 0=A, 1=B, 2=C, 3=D, -1 FOR NONE
+SIO0BCLK	.SET	7372800		; SIO 0B: OSC FREQ IN HZ, ZP=2457600/4915200, RC/SMB=7372800
+SIO0BCFG	.SET	SER_115200_8N1	; SIO 0B: SERIAL LINE CONFIG
+SIO0BCTCC	.SET	-1		; SIO 0B: CTC CHANNEL 0=A, 1=B, 2=C, 3=D, -1 FOR NONE
+SIO1MODE	.SET	SIOMODE_RC	; SIO 1: CHIP TYPE: SIOMODE_[STD|RC|SMB|ZP|Z80R]
+SIO1BASE	.SET	$84		; SIO 1: REGISTERS BASE ADR
+SIO1ACLK	.SET	7372800		; SIO 1A: OSC FREQ IN HZ, ZP=2457600/4915200, RC/SMB=7372800
+SIO1ACFG	.SET	SER_115200_8N1	; SIO 1A: SERIAL LINE CONFIG
+SIO1ACTCC	.SET	-1		; SIO 1A: CTC CHANNEL 0=A, 1=B, 2=C, 3=D, -1 FOR NONE
+SIO1BCLK	.SET	7372800		; SIO 1B: OSC FREQ IN HZ, ZP=2457600/4915200, RC/SMB=7372800
+SIO1BCFG	.SET	SER_115200_8N1	; SIO 1B: SERIAL LINE CONFIG
+SIO1BCTCC	.SET	-1		; SIO 1B: CTC CHANNEL 0=A, 1=B, 2=C, 3=D, -1 FOR NONE
+;
+XIOCFG		.SET	DEFSERCFG	; XIO: SERIAL LINE CONFIG
+;
+VDUENABLE	.SET	FALSE		; VDU: ENABLE VDU VIDEO/KBD DRIVER (VDU.ASM)
+CVDUENABLE	.SET	FALSE		; CVDU: ENABLE CVDU VIDEO/KBD DRIVER (CVDU.ASM)
+GDCENABLE	.SET	FALSE		; GDC: ENABLE 7220 GDC VIDEO/KBD DRIVER (GDC.ASM)
+TMSENABLE	.SET	FALSE		; TMS: ENABLE TMS9918 VIDEO/KBD DRIVER (TMS.ASM)
+TMSMODE		.SET	TMSMODE_MSX	; TMS: DRIVER MODE: TMSMODE_[SCG|N8|MSX|MSXKBD|MSXMKY|MBC|COLECO|DUO|NABU]
+TMS80COLS	.SET	FALSE		; TMS: ENABLE 80 COLUMN SCREEN, REQUIRES V9958
+TMSTIMENABLE	.SET	FALSE		; TMS: ENABLE TIMER INTERRUPTS (REQUIRES IM1)
+VGAENABLE	.SET	FALSE		; VGA: ENABLE VGA VIDEO/KBD DRIVER (VGA.ASM)
+VRCENABLE	.SET	FALSE		; VRC: ENABLE VGARC VIDEO/KBD DRIVER (VRC.ASM)
+SCONENABLE	.SET	FALSE		; SCON: ENABLE S100 CONSOLE DRIVER (SCON.ASM)
+EFENABLE	.SET	FALSE		; EF: ENABLE EF9345 VIDEO DRIVER (EF.ASM)
+FVENABLE	.SET	FALSE		; FV: ENABLE FPGA VGA VIDEO DRIVER (FV.ASM)
+;
+MDENABLE	.SET	TRUE		; MD: ENABLE MEMORY (ROM/RAM) DISK DRIVER (MD.ASM)
+MDROM		.SET	TRUE		; MD: ENABLE ROM DISK
+MDRAM		.SET	TRUE		; MD: ENABLE RAM DISK
+MDTRACE		.SET	1		; MD: TRACE LEVEL (0=NO,1=ERRORS,2=ALL)
+MDFFENABLE	.SET	FALSE		; MD: ENABLE FLASH FILE SYSTEM
+;
+FDENABLE	.SET	FALSE		; FD: ENABLE FLOPPY DISK DRIVER (FD.ASM)
+FDMODE		.SET	FDMODE_DYNO	; FD: DRIVER MODE: FDMODE_[DIO|ZETA|ZETA2|DIDE|N8|DIO3|RCSMC|RCWDC|DYNO|EPFDC|MBC]
+FDCNT		.SET	2		; FD: NUMBER OF FLOPPY DRIVES ON THE INTERFACE (1-2)
+FDTRACE		.SET	1		; FD: TRACE LEVEL (0=NO,1=FATAL,2=ERRORS,3=ALL)
+FDMAUTO		.SET	TRUE		; FD: AUTO SELECT DEFAULT/ALTERNATE MEDIA FORMATS
+FD0TYPE		.SET	FDT_3HD		; FD 0: DRIVE TYPE: FDT_[3DD|3HD|5DD|5HD|8]
+FD1TYPE		.SET	FDT_3HD		; FD 1: DRIVE TYPE: FDT_[3DD|3HD|5DD|5HD|8]
+;
+RFENABLE	.SET	FALSE		; RF: ENABLE RAM FLOPPY DRIVER
+;
+IDEENABLE	.SET	FALSE		; IDE: ENABLE IDE DISK DRIVER (IDE.ASM)
+IDETRACE	.SET	1		; IDE: TRACE LEVEL (0=NO,1=ERRORS,2=ALL)
+IDECNT		.SET	1		; IDE: NUMBER OF IDE INTERFACES TO DETECT (1-3), 2 DRIVES EACH
+IDE0MODE	.SET	IDEMODE_RC	; IDE 0: DRIVER MODE: IDEMODE_[DIO|DIDE|MK4|RC]
+IDE0BASE	.SET	$10		; IDE 0: IO BASE ADDRESS
+IDE0DATLO	.SET	$00		; IDE 0: DATA LO PORT FOR 16-BIT I/O
+IDE0DATHI	.SET	$00		; IDE 0: DATA HI PORT FOR 16-BIT I/O
+IDE0A8BIT	.SET	TRUE		; IDE 0A (MASTER): 8 BIT XFER
+IDE0B8BIT	.SET	TRUE		; IDE 0B (MASTER): 8 BIT XFER
+IDE1MODE	.SET	IDEMODE_NONE	; IDE 1: DRIVER MODE: IDEMODE_[DIO|DIDE|MK4|RC]
+IDE1BASE	.SET	$00		; IDE 1: IO BASE ADDRESS
+IDE1DATLO	.SET	$00		; IDE 1: DATA LO PORT FOR 16-BIT I/O
+IDE1DATHI	.SET	$00		; IDE 1: DATA HI PORT FOR 16-BIT I/O
+IDE1A8BIT	.SET	TRUE		; IDE 1A (MASTER): 8 BIT XFER
+IDE1B8BIT	.SET	TRUE		; IDE 1B (MASTER): 8 BIT XFER
+IDE2MODE	.SET	IDEMODE_NONE	; IDE 2: DRIVER MODE: IDEMODE_[DIO|DIDE|MK4|RC]
+IDE2BASE	.SET	$00		; IDE 2: IO BASE ADDRESS
+IDE2DATLO	.SET	$00		; IDE 2: DATA LO PORT FOR 16-BIT I/O
+IDE2DATHI	.SET	$00		; IDE 2: DATA HI PORT FOR 16-BIT I/O
+IDE2A8BIT	.SET	TRUE		; IDE 2A (MASTER): 8 BIT XFER
+IDE2B8BIT	.SET	TRUE		; IDE 2B (MASTER): 8 BIT XFER
+;
+PPIDEENABLE	.SET	FALSE		; PPIDE: ENABLE PARALLEL PORT IDE DISK DRIVER (PPIDE.ASM)
+PPIDETRACE	.SET	1		; PPIDE: TRACE LEVEL (0=NO,1=ERRORS,2=ALL)
+PPIDECNT	.SET	1		; PPIDE: NUMBER OF PPI CHIPS TO DETECT (1-3), 2 DRIVES PER CHIP
+PPIDE0BASE	.SET	$4C		; PPIDE 0: PPI REGISTERS BASE ADR
+PPIDE0A8BIT	.SET	FALSE		; PPIDE 0A (MASTER): 8 BIT XFER
+PPIDE0B8BIT	.SET	FALSE		; PPIDE 0B (SLAVE): 8 BIT XFER
+PPIDE1BASE	.SET	$00		; PPIDE 1: PPI REGISTERS BASE ADR
+PPIDE1A8BIT	.SET	FALSE		; PPIDE 1A (MASTER): 8 BIT XFER
+PPIDE1B8BIT	.SET	FALSE		; PPIDE 0B (SLAVE): 8 BIT XFER
+PPIDE2BASE	.SET	$00		; PPIDE 2: PPI REGISTERS BASE ADR
+PPIDE2A8BIT	.SET	FALSE		; PPIDE 2A (MASTER): 8 BIT XFER
+PPIDE2B8BIT	.SET	FALSE		; PPIDE 0B (SLAVE): 8 BIT XFER
+;
+SDENABLE	.SET	FALSE		; SD: ENABLE SD CARD DISK DRIVER (SD.ASM)
+SDMODE		.SET	SDMODE_PPI	; SD: DRIVER MODE: SDMODE_[JUHA|N8|CSIO|PPI|UART|DSD|MK4|SC|MT|USR|PIO|Z80R|EPITX|FZ80]
+SDPPIBASE	.SET	$60		; SD: BASE I/O ADDRESS OF PPI FOR PPI MODDE
+SDCNT		.SET	1		; SD: NUMBER OF SD CARD DEVICES (1-2), FOR DSD/SC/MT ONLY
+SDTRACE		.SET	1		; SD: TRACE LEVEL (0=NO,1=ERRORS,2=ALL)
+SDCSIOFAST	.SET	FALSE		; SD: ENABLE TABLE-DRIVEN BIT INVERTER IN CSIO MODE
+SDMTSWAP	.SET	FALSE		; SD: SWAP THE LOGICAL ORDER OF THE SPI PORTS OF THE MT011
+;
+CHENABLE	.SET	FALSE		; CH: ENABLE CH375/376 USB SUPPORT
+;
+PRPENABLE	.SET	FALSE		; PRP: ENABLE ECB PROPELLER IO BOARD DRIVER (PRP.ASM)
+PRPSDENABLE	.SET	TRUE		; PRP: ENABLE PROPIO DRIVER SD CARD SUPPORT
+PRPSDTRACE	.SET	1		; PRP: SD CARD TRACE LEVEL (0=NO,1=ERRORS,2=ALL)
+PRPCONENABLE	.SET	TRUE		; PRP: ENABLE PROPIO DRIVER VIDEO/KBD SUPPORT
+;
+PPPENABLE	.SET	FALSE		; PPP: ENABLE ZETA PARALLEL PORT PROPELLER BOARD DRIVER (PPP.ASM)
+;
+ESPENABLE	.SET	FALSE		; ESP: ENABLE ESP32 IO BOARD DRIVER (ESP.ASM)
+;
+HDSKENABLE	.SET	FALSE		; HDSK: ENABLE SIMH HDSK DISK DRIVER (HDSK.ASM)
+;
+PIOENABLE	.SET	FALSE		; PIO: ENABLE ZILOG PIO DRIVER (PIO.ASM)
+PIOCNT		.SET	2		; PIO: NUMBER OF CHIPS TO DETECT (1-2), 2 CHANNELS PER CHIP
+PIO0BASE	.SET	$B8		; PIO 0: REGISTERS BASE ADR
+PIO1BASE	.SET	$BC		; PIO 1: REGISTERS BASE ADR
+;
+LPTENABLE	.SET	FALSE		; LPT: ENABLE CENTRONICS PRINTER DRIVER (LPT.ASM)
+;
+PPAENABLE	.SET	FALSE		; PPA: ENABLE PPA DISK DRIVER (PPA.ASM)
+;
+IMMENABLE	.SET	FALSE		; IMM: ENABLE IMM DISK DRIVER (IMM.ASM)
+;
+SYQENABLE	.SET	FALSE		; SYQ: ENABLE IMM DISK DRIVER (SYQ.ASM)
+;
+PIO_4P		.SET	FALSE		; PIO: ENABLE PARALLEL PORT DRIVER FOR ECB 4P BOARD
+PIO_ZP		.SET	FALSE		; PIO: ENABLE PARALLEL PORT DRIVER FOR ECB ZILOG PERIPHERALS BOARD (PIO.ASM)
+PIO_SBC		.SET	FALSE		; PIO: ENABLE PARALLEL PORT DRIVER FOR 8255 CHIP
+;
+UFENABLE	.SET	FALSE		; UF: ENABLE ECB USB FIFO DRIVER (UF.ASM)
+;
+SN76489ENABLE	.SET	FALSE		; SN: ENABLE SN76489 SOUND DRIVER
+AUDIOTRACE	.SET	FALSE		; ENABLE TRACING TO CONSOLE OF SOUND DRIVER
+SN7CLK		.SET	3579545		; SN: PSG CLOCK FREQ, ASSUME MSX STD
+SNMODE		.SET	SNMODE_NONE	; SN: DRIVER MODE: SNMODE_[NONE|RC|VGM]
+;
+AY38910ENABLE	.SET	FALSE		; AY: ENABLE AY-3-8910 / YM2149 SOUND DRIVER
+AY_CLK		.SET	1789772		; AY: PSG CLOCK FREQ, ASSUME MSX STD
+AYMODE		.SET	AYMODE_NONE	; AY: DRIVER MODE: AYMODE_[SCG|N8|RCZ80|RCZ180|MSX|LINC|MBC|DUO|NABU]
+;
+SPKENABLE	.SET	FALSE		; SPK: ENABLE RTC LATCH IOBIT SOUND DRIVER (SPK.ASM)
+;
+DMAENABLE	.SET	FALSE		; DMA: ENABLE DMA DRIVER (DMA.ASM)
+DMABASE		.SET	$E0		; DMA: DMA BASE ADDRESS
+DMAMODE		.SET	DMAMODE_Z180	; DMA: DMA MODE (NONE|ECB|Z180|Z280|RC|MBC|DUO)
+;
+YM2612ENABLE	.SET	FALSE		; YM2612: ENABLE YM2612 DRIVER
+VGMBASE		.SET	$C0		; YM2612: BASE ADDRESS FOR VGM BOARD (YM2612/SN76489s/CTC)