Merge branch 'master' into dean-ez80-3

1 year ago · 38c25e50c2
806 changed files with 23878 additions and 12240 deletions
--- a/.gitignore
+++ b/.gitignore
@ -99,6 +99,7 @@ Tools/unix/zx/zx
 !Source/ZRC512/*.bin
 !Source/Z1RCC/*.bin
 !Source/ZZRCC/*.bin
+!Source/FZ80/*.bin
 !Tools/cpm/**
 !Tools/unix/zx/*
 !Tools/zx/*
--- a/Binary/Apps/Test/inttest.doc
+++ b/Binary/Apps/Test/inttest.doc
@ -0,0 +1,44 @@
+INTTEST
+=======
+
+RomWBW includes an API allowing applications to "hook" interrupts.
+The `INTTEST` utility allows you to test this functionality.
+
+
+** Syntax **
+
+`INTTEST`
+
+
+** Usage **
+
+`INTTEST` is an interactive application.  At startup, it will display
+a list of the interrupt vector slots in your system along with the
+current vector address for each of them.
+
+It then prompts you to enter the slot number (in hex) of a vector to
+hook.  After entering this, the application will watch the hooked
+vector and countdown from 0xFF to 0x00 as interrupts are noted.
+
+When the counter reaches 0x00, the interrupt is unhooked and the
+application terminates.  The application can also be terminated by
+pressing <esc>.
+
+
+** Notes **
+
+If your system is running without interrupts active, the application
+will terminate immediately.
+
+All slots have vectors even if the corresponding interrupt is not
+doing anything.  In this case, the vector is pointing to the "bad
+interrupt" handler.
+
+If you hook a vector that is not receiving any interrupts, the
+down-counter will not do anything.
+
+
+** Etymology* *
+
+The `INTTEST` command is an original product and the source code is
+provided in the RomWBW distribution.
--- a/Binary/ReadMe.txt
+++ b/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.
--- a/Doc/ChangeLog.txt
+++ b/Doc/ChangeLog.txt
@ -14,9 +14,29 @@ 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)
+- M?R: Update Timer app to display output in decimal
+- WBW: Preliminary support for S100 FPGA Z80 platform
+- WBW: Added simple serial (SSER) driver
+- WBW: Added preliminary support for S100 FPGA Z80 SD Cards
+- M?R: Consolidated ROM Applications document into the Applications document
+- 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
+- WBW: Add CPU speed selection for HEATH platform to HBIOS
+- WBW: Add Warm/Cold reboot options to CPUSPD utility

 Version 3.4
 -----------
@ -685,4 +705,4 @@ 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.
--- a/Doc/Contrib/AY-3-8910
+++ b/Doc/Contrib/AY-3-8910
--- a/Doc/Contrib/ZSystem.txt
+++ b/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.

--- a/Anatomy.pdf
+++ b/Anatomy.pdf
--- a/Applications.pdf
+++ b/Applications.pdf
--- a/Catalog.pdf
+++ b/Catalog.pdf
--- a/Errata.pdf
+++ b/Errata.pdf
--- a/Applications.pdf
+++ b/Applications.pdf
--- a/Doc/RomWBW
+++ b/Doc/RomWBW
--- a/Doc/RomWBW
+++ b/Doc/RomWBW
--- a/Doc/Testing
+++ b/Doc/Testing
@ -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
--- a/ReadMe.md
+++ b/ReadMe.md
@ -3,7 +3,7 @@
 **RomWBW ReadMe** \
 Version 3.5 \
 Wayne Warthen  ([wwarthen@gmail.com](mailto:wwarthen@gmail.com)) \
-17 May 2024
+11 Sep 2024

 # Overview

@ -124,8 +124,6 @@ Documentation for RomWBW includes:
  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 ROM
-  Applications](https://github.com/wwarthen/RomWBW/raw/master/Doc/RomWBW%20ROM%20Applications.pdf)
 - [RomWBW
  Errata](https://github.com/wwarthen/RomWBW/raw/master/Doc/RomWBW%20Errata.pdf)

@ -198,7 +196,10 @@ let me know if I missed you!
  Microsoft Fortran Compiler, and a Games compendium.

 - Martin R has provided substantial help reviewing and improving the
-  User Guide.
+  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.

--- a/ReadMe.txt
+++ b/ReadMe.txt
@ -1,6 +1,6 @@
 RomWBW ReadMe
 Wayne Warthen (wwarthen@gmail.com)
-17 May 2024
+11 Sep 2024



@ -122,7 +122,6 @@ Documentation for RomWBW includes:
 -   RomWBW User Guide
 -   RomWBW System Guide
 -   RomWBW Applications
-   RomWBW ROM Applications
 -   RomWBW Errata


@ -198,7 +197,10 @@ let me know if I missed you!
    BASIC Compiler, Microsoft Fortran Compiler, and a Games compendium.

 -   Martin R has provided substantial help reviewing and improving the
-    User Guide.
+    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.

--- a/Source/Apps/Test/Build.cmd
+++ b/Source/Apps/Test/Build.cmd
@ -25,6 +25,7 @@ pushd piomon && call Build || exit /b & popd
 pushd banktest && call Build || exit /b & popd
 pushd portscan && call Build || exit /b & popd
 pushd sound && call Build || exit /b & popd
+pushd testh8p && call Build || exit /b & popd

 goto :eof

--- a/Source/Apps/Test/Clean.cmd
+++ b/Source/Apps/Test/Clean.cmd
@ -22,3 +22,4 @@ pushd piomon && call Clean || exit /b 1 & popd
 pushd banktest && call Clean || exit /b 1 & popd
 pushd portscan && call Clean || exit /b 1 & popd
 pushd sound && call Clean || exit /b 1 & popd
+pushd testh8p && call Clean || exit /b 1 & popd
--- a/Source/Apps/Test/Makefile
+++ b/Source/Apps/Test/Makefile
@ -1,5 +1,5 @@
 OBJECTS =
-SUBDIRS = DMAmon I2C inttest ppidetst ramtest tstdskng rzsz vdctest kbdtest ps2info 2piotst piomon banktest portscan sound
+SUBDIRS = DMAmon I2C inttest ppidetst ramtest tstdskng rzsz vdctest kbdtest ps2info 2piotst piomon banktest portscan sound testh8p
 DEST = ../../../Binary/Apps/Test
 TOOLS =../../../Tools

--- a/Source/Apps/Test/inttest/Build.cmd
+++ b/Source/Apps/Test/inttest/Build.cmd
@ -8,4 +8,5 @@ set TASMTABS=%TOOLS%\tasm32
 tasm -t180 -g3 -fFF inttest.asm inttest.com inttest.lst || exit /b

 copy /Y inttest.com ..\..\..\..\Binary\Apps\Test\ || exit /b
+copy /Y inttest.doc ..\..\..\..\Binary\Apps\Test\ || exit /b

--- a/Source/Apps/Test/inttest/Makefile
+++ b/Source/Apps/Test/inttest/Makefile
@ -1,5 +1,7 @@
 OBJECTS = inttest.com
+DOCS = inttest.doc
 DEST = ../../../../Binary/Apps/Test
+DOCDEST = ../../../../Binary/Apps/Test
 TOOLS =../../../../Tools

 USETASM=1
--- a/Source/Apps/Test/inttest/inttest.doc
+++ b/Source/Apps/Test/inttest/inttest.doc
@ -0,0 +1,44 @@
+INTTEST
+=======
+
+RomWBW includes an API allowing applications to "hook" interrupts.
+The `INTTEST` utility allows you to test this functionality.
+
+
+** Syntax **
+
+`INTTEST`
+
+
+** Usage **
+
+`INTTEST` is an interactive application.  At startup, it will display
+a list of the interrupt vector slots in your system along with the
+current vector address for each of them.
+
+It then prompts you to enter the slot number (in hex) of a vector to
+hook.  After entering this, the application will watch the hooked
+vector and countdown from 0xFF to 0x00 as interrupts are noted.
+
+When the counter reaches 0x00, the interrupt is unhooked and the
+application terminates.  The application can also be terminated by
+pressing <esc>.
+
+
+** Notes **
+
+If your system is running without interrupts active, the application
+will terminate immediately.
+
+All slots have vectors even if the corresponding interrupt is not
+doing anything.  In this case, the vector is pointing to the "bad
+interrupt" handler.
+
+If you hook a vector that is not receiving any interrupts, the
+down-counter will not do anything.
+
+
+** Etymology* *
+
+The `INTTEST` command is an original product and the source code is
+provided in the RomWBW distribution.
--- a/Source/Apps/Test/ps2info/ps2info.asm
+++ b/Source/Apps/Test/ps2info/ps2info.asm
@ -11,6 +11,7 @@
 ; WBW 2022-04-01: Add menu for test functions
 ; WBW 2022-04-02: Fix prtchr register saving/recovery
 ; WBW 2023-10-19: Add support for Duodyne
+; WBW 2024-06-10: Add support for RC2014
 ;
 ;=======================================================================
 ;
@ -25,6 +26,10 @@ iodat_rph	.equ	$8C	; PS/2 controller data port address
 ; Duodyne:
 iocmd_duo	.equ	$4D	; PS/2 controller command port address
 iodat_duo	.equ	$4C	; PS/2 controller data port address
+; RC2014 (EP/Sally)
+iocmd_rc	.equ	$64	; PS/2 controller command port address
+iodat_rc	.equ	$60	; PS/2 controller data port address
+
 ;
 cpumhz	.equ	8	; for time delay calculations (not critical)
 ;
@ -87,6 +92,8 @@ setup1:
 	jr	z,setup_rph
 	cp	'3'			; Duodyne
 	jr	z,setup_duo
+	cp	'4'			; RC2014 EP/Sally
+	jr	z,setup_rc
 	cp	'X'
 	jr	z,exit
 	jr	setup
@ -115,6 +122,14 @@ setup_duo:
 	ld	de,str_duo
 	jr	setup2
 ;
+setup_rc:
+	ld	a,iocmd_rc
+	ld	(iocmd),a
+	ld	a,iodat_rc
+	ld	(iodat),a
+	ld	de,str_rc
+	jr	setup2
+;
 setup2:
 	call	prtstr
 	call	crlf2
@ -1437,16 +1452,18 @@ delay1:
 ; Constants
 ;=======================================================================
 ;
-str_banner		.db	"PS/2 Keyboard/Mouse Information v0.8, 6-Nov-2023",0
+str_banner		.db	"PS/2 Keyboard/Mouse Information v0.9, 10-Jun-2024",0
 str_hwmenu		.db	"PS/2 Controller Port Options:\r\n\r\n"
 			.db	"  1 - Nhyodyne\r\n"
 			.db	"  2 - Rhyophyre\r\n"
 			.db	"  3 - Duodyne\r\n"
+			.db	"  4 - RC2014\r\n"
 			.db	"  X - Exit Application\r\n"
 			.db	"\r\nSelection? ",0
 str_mbc			.db	"Nhyodyne",0
 str_rph			.db	"Rhyophyre",0
 str_duo			.db	"Duodyne",0
+str_rc			.db	"RC2014 (Saly)",0
 str_menu		.db	"PS/2 Testing Options:\r\n\r\n"
 			.db	"  C - Test PS/2 Controller\r\n"
 			.db	"  K - Test PS/2 Keyboard\r\n"
--- a/Source/Apps/Test/testh8p/Build.cmd
+++ b/Source/Apps/Test/testh8p/Build.cmd
@ -0,0 +1,10 @@
+@echo off
+setlocal
+
+set TOOLS=../../../../Tools
+set PATH=%TOOLS%\tasm32;%PATH%
+set TASMTABS=%TOOLS%\tasm32
+
+tasm -t80 -g3 -fFF testh8p.asm testh8p.com testh8p.lst || exit /b
+
+copy /Y testh8p.com ..\..\..\..\Binary\Apps\Test\ || exit /b
--- a/Source/Apps/Test/testh8p/Clean.cmd
+++ b/Source/Apps/Test/testh8p/Clean.cmd
@ -0,0 +1,6 @@
+@echo off
+setlocal
+
+if exist *.com del *.com
+if exist *.lst del *.lst
+if exist *.bin del *.bin
--- a/Source/Apps/Test/testh8p/Makefile
+++ b/Source/Apps/Test/testh8p/Makefile
@ -0,0 +1,9 @@
+OBJECTS = testh8p.com
+# DOCS = testh8p.doc
+DEST = ../../../../Binary/Apps/Test
+DOCDEST = ../../../../Binary/Apps/Test
+TOOLS =../../../../Tools
+
+USETASM=1
+
+include $(TOOLS)/Makefile.inc
--- a/Source/Apps/Test/testh8p/testh8p.asm
+++ b/Source/Apps/Test/testh8p/testh8p.asm
@ -0,0 +1,238 @@
+;===============================================================================
+; H8 Panel Test
+;===============================================================================
+;
+;	AUTHOR:  WAYNE WARTHEN (wwarthen@gmail.com)
+;_______________________________________________________________________________
+;
+;
+; Trivial utility to test the register pair display functionality of the
+; Heath H8 Front Panel.
+;
+; Program will display a set of known register values on the console,
+; then go into an infinite loop.  The H8 panel can then be checked to
+; see if the correct values are displayed.
+;
+; There is no way to exit this program.  You must reset your system.
+;
+;===============================================================================
+; Definitions
+;===============================================================================
+;
+stksiz	.equ	$40		; Working stack size
+;
+restart	.equ	$0000		; CP/M restart vector
+bdos	.equ	$0005		; BDOS invocation vector
+;
+regA	.equ	$11
+regBC	.equ	$2233
+regDE	.equ	$4455
+regHL	.equ	$6677
+;
+;===============================================================================
+; Code Section
+;===============================================================================
+;
+;
+	.org	$100
+;
+	; setup stack (save old value)
+	ld	(stksav),sp	; save stack
+	ld	sp,stack	; set new stack
+;
+	ld	de,str_prefix
+	call	prtstr
+;
+	ld	de,str_A
+	ld	hl,regA
+	call	prtreg
+	ld	de,str_BC
+	ld	hl,regBC
+	call	prtreg
+	ld	de,str_DE
+	ld	hl,regDE
+	call	prtreg
+	ld	de,str_HL
+	ld	hl,regHL
+	call	prtreg
+	ld	de,str_SP
+	ld	hl,regSP
+	call	prtreg
+	ld	de,str_PC
+	ld	hl,regPC
+	call	prtreg
+;
+	ld	a,regA
+	ld	bc,regBC
+	ld	de,regDE
+	ld	hl,regHL
+regPC:	jr	$
+;
+;
+;
+prtreg:
+	call	prtstr		; print label
+	ld	a,h		; first byte
+	call	prtoctbyte	; print it
+	ld	a,'.'		; separator
+	call	prtchr		; print it
+	ld	a,l		; second byte
+	call	prtoctbyte	; print it
+	ret
+;
+;
+;
+prtoctbyte:
+	rlca			; 2 ms bits
+	rlca
+	push	af
+	and	%00000011	; isolate
+	add	a,'0'		; make char
+	call	prtchr		; show it
+	pop	af
+	rlca			; next 3 bits
+	rlca
+	rlca
+	push	af
+	and	%00000111	; isolate
+	add	a,'0'		; make char
+	call	prtchr		; show it
+	pop	af
+	rlca			; next 3 bits
+	rlca
+	rlca
+	push	af
+	and	%00000111	; isolate
+	add	a,'0'		; make char
+	call	prtchr		; show it
+	pop	af
+	ret
+;
+; Print character in A without destroying any registers
+;
+prtchr:
+	push	bc		; save registers
+	push	de
+	push	hl
+	ld	e,a		; character to print in E
+	ld	c,$02		; BDOS function to output a character
+	call	bdos		; do it
+	pop	hl		; restore registers
+	pop	de
+	pop	bc
+	ret
+;
+; Print a zero terminated string at (DE) without destroying any registers
+;
+prtstr:
+	push	de
+;
+prtstr1:
+	ld	a,(de)		; get next char
+	or	a
+	jr	z,prtstr2
+	call	prtchr
+	inc	de
+	jr	prtstr1
+;
+prtstr2:
+	pop	de		; restore registers
+	ret	
+;
+; Start a new line
+;
+crlf2:
+	call	crlf		; two of them
+crlf:
+	push	af		; preserve AF
+	ld	a,13		; <CR>
+	call	prtchr		; print it
+	ld	a,10		; <LF>
+	call	prtchr		; print it
+	pop	af		; restore AF
+	ret
+;
+; Print the value in A in hex without destroying any registers
+;
+prthex:
+	push	af		; save AF
+	push	de		; save DE
+	call	hexascii	; convert value in A to hex chars in DE
+	ld	a,d		; get the high order hex char
+	call	prtchr		; print it
+	ld	a,e		; get the low order hex char
+	call	prtchr		; print it
+	pop	de		; restore DE
+	pop	af		; restore AF
+	ret			; done
+;
+; print the hex word value in hl
+;
+prthexword:
+	push	af
+	ld	a,h
+	call	prthex
+	ld	a,l
+	call	prthex 
+	pop	af
+	ret
+;
+; print the hex dword value in de:hl
+;
+prthex32:
+	push	bc
+	push	de
+	pop	bc
+	call	prthexword
+	push	hl
+	pop	bc
+	call	prthexword
+	pop	bc
+	ret
+;
+; Convert binary value in A to ascii hex characters in DE
+;
+hexascii:
+	ld	d,a		; save A in D
+	call	hexconv		; convert low nibble of A to hex
+	ld	e,a		; save it in E
+	ld	a,d		; get original value back
+	rlca			; rotate high order nibble to low bits
+	rlca
+	rlca
+	rlca
+	call	hexconv		; convert nibble
+	ld	d,a		; save it in D
+	ret			; done
+;
+; Convert low nibble of A to ascii hex
+;
+hexconv:
+	and	$0F	     	; low nibble only
+	add	a,$90
+	daa	
+	adc	a,$40
+	daa	
+	ret
+;
+;===============================================================================
+; Storage Section
+;===============================================================================
+;
+rtcbuf	.fill	6,$FF		; RTC data buffer
+;
+str_prefix	.db	"\r\n\r\nRegisters: ",0
+;
+str_A		.db	"A=",0
+str_BC		.db	", BC=",0
+str_DE		.db	", DE=",0
+str_HL		.db	", HL=",0
+str_SP		.db	", SP=",0
+str_PC		.db	", PC=",0
+;
+stksav	.dw	0		; stack pointer saved at start
+	.fill	stksiz,0	; stack
+stack	.equ	$		; stack top
+regSP:
+;
+	.end
--- a/Source/Apps/Tune/tune.asm
+++ b/Source/Apps/Tune/tune.asm
@ -49,6 +49,8 @@
 ;   2024-02-23 [WBW] Include ACR value in config table
 ;   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:
@ -572,8 +574,8 @@ 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
@ -584,8 +586,8 @@ CFGSIZ	.EQU	$ - CFGTBL
 	.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
@ -596,8 +598,8 @@ 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
@ -608,8 +610,8 @@ CFGSIZ	.EQU	$ - CFGTBL
 	.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
@ -620,8 +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
@ -666,7 +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 v3.8, 10-May-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
@ -687,7 +689,7 @@ 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_LINC	.DB	"Z50 LiNC Sound Module",0
 HWSTR_MBC	.DB	"NHYODYNE Sound Module",0
--- a/Source/Apps/cpuspd/cpuspd.asm
+++ b/Source/Apps/cpuspd/cpuspd.asm
@ -23,6 +23,12 @@ rtc_port	.equ	$70		; RTC latch port adr
 restart		.equ	$0000		; CP/M restart vector
 bdos		.equ	$0005		; BDOS invocation vector
 ;
+bf_sysreset	.equ	$F0		; restart system
+;
+bf_sysres_int	.equ	$00		; reset hbios internal
+bf_sysres_warm	.equ	$01		; warm start (restart boot loader)
+bf_sysres_cold	.equ	$02		; cold start
+;
 ident		.equ	$FFFE		; loc of RomWBW HBIOS ident ptr
 ;
 ;=======================================================================
@ -113,6 +119,10 @@ main1:
 ;
 main2:
 	ret	z		; if end, nothing to do
+	cp	'W'		; warm boot?
+	jp	z,wboot		; if so, do it
+	cp	'C'		; cold boot?
+	jp	z,cboot		; if so, do it
 	cp	','		; no new speed?
 	jr	z,main2a	; go to wait states
 	; parse speed string (half, full, double)
@ -161,6 +171,9 @@ parse_spd:
 	ld	c,2			; assume double speed
 	cp	'D'			; check it
 	jr	z,parse_spd1		; if equal, done
+	ld	c,3			; assume quad speed
+	cp	'Q'			; check it
+	jr	z,parse_spd1		; if equal, done
 	or	a			; clear CF
 	ccf				; set CF to indicate error
 	ret
@ -222,6 +235,9 @@ show_spd:
 	ld	de,str_dbl
 	cp	2
 	jr	z,show_spd1
+	ld	de,str_quad
+	cp	3
+	jr	z,show_spd1
 	jp	err_invalid
 show_spd1:
 	call	prtstr
@ -267,6 +283,24 @@ usage:
 	or	$FF
 	ret
 ;
+; Handle Warm Boot
+;
+wboot:
+	ld	de,str_warmboot		; message
+	call	prtstr			; display it
+	ld	b,bf_sysreset		; system restart
+	ld	c,bf_sysres_warm	; warm start
+	call	$fff0			; call hbios
+;
+; Handle Cold Boot
+;
+cboot:
+	ld	de,str_coldboot		; message
+	call	prtstr			; display it
+	ld	b,bf_sysreset		; system restart
+	ld	c,bf_sysres_cold	; cold start
+	call	$fff0			; call hbios
+;
 ; Error Handlers
 ;
 err_una:
@ -510,9 +544,6 @@ prtd3m2:
 	call	prtchr
 prtd3m3:
 	ret
-
-
-
 ;
 ; Get the next non-blank character from (HL).
 ;
@ -665,7 +696,7 @@ delay1:
 ; Constants
 ;=======================================================================
 ;
-str_banner		.db	"RomWBW CPU Speed Selector v0.6, 29-Dec-2023",0
+str_banner		.db	"RomWBW CPU Speed Selector v1.0, 11-Sep-2024",0
 str_spacer		.db	"  ",0
 str_oscspd		.db	" MHz Oscillator",0
 str_cpuspd		.db	"  CPU speed is ",0
@ -674,8 +705,11 @@ str_mhz			.db	" MHz",0
 str_slow		.db	" (Half)",0
 str_full		.db	" (Full)",0
 str_dbl			.db	" (Double)",0
+str_quad		.db	" (Quad)",0
 str_memws		.db	" Memory Wait State(s)",0
 str_iows		.db	" I/O Wait State(s)",0
+str_warmboot		.db	"\r\n\r\nWarm booting...",0
+str_coldboot		.db	"\r\n\r\nCold booting...",0
 str_err_una		.db	"  ERROR: UNA not supported by application",0
 str_err_inv		.db	"  ERROR: Invalid BIOS (signature missing)",0
 str_err_ver		.db	"  ERROR: Unexpected HBIOS version",0
@ -684,8 +718,10 @@ str_err_not_sup		.db	"  ERROR: Platform or configuration does not support CPU sp
 str_err_invalid		.db	"  ERROR: Invalid configuration!",0
 str_err_api		.db	"  ERROR: HBIOS API error!",0
 str_usage		.db	"  Usage: CPUSPD <cpuspd>,<memws>,<iows>\r\n"
+			.db	"         CPUSPD (W)armBoot\r\n"
+			.db	"         CPUSPD (C)oldBoot\r\n"
 			.db	"\r\n"
-			.db	"         <cpuspd>: \"Half\", \"Full\", or \"Double\"\r\n"
+			.db	"         <cpuspd>: (H)alf | (F)ull | (D)ouble | (Q)uad\r\n"
 			.db	"         <memws>:  Memory wait states\r\n"
 			.db	"         <iows>:   I/O wait states\r\n"
 			.db	"\r\n"
--- a/Source/Apps/rtc.asm
+++ b/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
--- a/Source/Apps/timer.asm
+++ b/Source/Apps/timer.asm
--- a/Source/Build.cmd
+++ b/Source/Build.cmd
@ -11,6 +11,7 @@ call BuildZRC || exit /b
 call BuildZ1RCC || exit /b
 call BuildZZRCC || exit /b
 call BuildZRC512 || exit /b
+call BuildFZ80 || exit /b

 if "%1" == "dist" (
  call Clean || exit /b
--- a/Source/BuildFZ80.cmd
+++ b/Source/BuildFZ80.cmd
@ -0,0 +1,4 @@
+@echo off
+setlocal
+
+pushd FZ80 && call Build || exit /b & popd
--- a/Source/Doc/Applications.md
+++ b/Source/Doc/Applications.md
--- a/Source/Doc/Basic.h
+++ b/Source/Doc/Basic.h
@ -11,7 +11,6 @@ $define{doc_orgurl}{www.retrobrewcomputers.org}$
 $define{doc_user}{[RomWBW User Guide]($doc_root$/RomWBW User Guide.pdf)}$
 $define{doc_sys}{[RomWBW System Guide]($doc_root$/RomWBW System Guide.pdf)}$
 $define{doc_apps}{[RomWBW Applications]($doc_root$/RomWBW Applications.pdf)}$
-$define{doc_romapps}{[RomWBW ROM Applications]($doc_root$/RomWBW ROM Applications.pdf)}$
 $define{doc_catalog}{[RomWBW Disk Catalog]($doc_root$/RomWBW Disk Catalog.pdf)}$
 $define{doc_errata}{[RomWBW Errata]($doc_root$/RomWBW Errata.pdf)}$

--- a/Source/Doc/Build.cmd
+++ b/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
@ -11,20 +15,18 @@ 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 ROM_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
 if exist UserGuide.pdf copy UserGuide.pdf "..\..\Doc\RomWBW User Guide.pdf" || exit /b
 if exist SystemGuide.pdf copy SystemGuide.pdf "..\..\Doc\RomWBW System Guide.pdf" || exit /b
 if exist Applications.pdf copy Applications.pdf "..\..\Doc\RomWBW Applications.pdf" || exit /b
-if exist ROM_Applications.pdf copy ROM_Applications.pdf "..\..\Doc\RomWBW ROM Applications.pdf" || exit /b
 if exist Catalog.pdf copy Catalog.pdf "..\..\Doc\RomWBW Disk Catalog.pdf" || exit /b
 if exist Errata.pdf copy Errata.pdf "..\..\Doc\RomWBW Errata.pdf" || exit /b

@ -37,9 +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
--- a/Source/Doc/Catalog.md
+++ 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 |
--- a/Source/Doc/Graphics/BankSwitchedMemory.pdf
+++ b/Source/Doc/Graphics/BankSwitchedMemory.pdf
--- a/Source/Doc/Graphics/BankSwitchedMemory.png
+++ b/Source/Doc/Graphics/BankSwitchedMemory.png
--- a/Source/Doc/Graphics/BankSwitchedMemory.svg
+++ b/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>
+		<marker id="mrkr10-163" class="st19" refX="7.125" orient="auto" markerUnits="strokeWidth" overflow="visible">
+			<use xlink:href="#lend10" transform="scale(11.5) "/>
+		</marker>
+		<marker id="mrkr4-165" class="st19" refX="-23" orient="auto" markerUnits="strokeWidth" overflow="visible">
+			<use xlink:href="#lend4" transform="scale(-11.5,-11.5) "/>
+		</marker>
+		<marker id="mrkr10-193" class="st15" refX="1.77" orient="auto" markerUnits="strokeWidth" overflow="visible">
+			<use xlink:href="#lend10" transform="scale(2.68) "/>
+		</marker>
+	</defs>
+	<g>
+		<title>Page-1</title>
+		<g id="group13-1" transform="translate(216.75,-109.92)">
+			<title>Data block.13</title>
+			<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)">
+				<title>Sheet.15</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="shape16-6">
+				<title>Sheet.16</title>
+				<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
+						 -180 0 0 75.02 407.42 L131.4 407.42 A6.11239 6.11239 0 0 1 136.8 412.82" class="st13"/>
+		</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>
+			<path d="M0 412.82 A8.14985 8.14985 0 0 1 7.2 405.62 L36 405.62 A8.14985 8.14985 -180 0 0 43.2 398.42 A8.14985 8.14985
+						 -180 0 0 50.4 405.62 L151.2 405.62 A8.14985 8.14985 0 0 1 158.4 412.82" class="st13"/>
+		</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>
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+		</g>
+		<g id="group60-148" transform="translate(36.75,-0.12)">
+			<title>3D stack top</title>
+			<desc>RAM Disk</desc>
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+				<title>Sheet.61</title>
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+				<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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+			<path d="M1.71 412.82 L2.07 412.82 L18.96 412.82" class="st18"/>
+		</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)">
+			<title>Sheet.70</title>
+			<path d="M2.65 293.24 L3.01 293.24 L76.08 293.24 A22.5 22.5 0 0 1 98.58 315.74 L98.58 404.78" class="st20"/>
+		</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)">
+			<title>Sheet.74</title>
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+		</g>
+	</g>
+</svg>
--- a/Source/Doc/Graphics/BankSwitchedMemory.vsd
+++ b/Source/Doc/Graphics/BankSwitchedMemory.vsd
--- a/Source/Doc/Graphics/CharacterEmulationVideoServices.pdf
+++ b/Source/Doc/Graphics/CharacterEmulationVideoServices.pdf
--- a/Source/Doc/Graphics/CharacterEmulationVideoServices.png
+++ b/Source/Doc/Graphics/CharacterEmulationVideoServices.png
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+		.st12 {stroke:#000000;stroke-linecap:round;stroke-linejoin:round;stroke-width:0.25}
+		.st13 {marker-end:url(#mrkr9-69);marker-start:url(#mrkr4-40);stroke:#000000;stroke-linecap:round;stroke-linejoin:round;stroke-width:0.24}
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+		.st15 {fill:#000000;fill-opacity:1;stroke:#000000;stroke-opacity:1;stroke-width:0.090252707581227}
+		.st16 {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="mrkr4-40" class="st9" refX="21.5" orient="auto" markerUnits="strokeWidth" overflow="visible">
+			<use xlink:href="#lend4" transform="scale(11.5) "/>
+		</marker>
+		<marker id="mrkr4-58" class="st9" refX="-23" orient="auto" markerUnits="strokeWidth" overflow="visible">
+			<use xlink:href="#lend4" transform="scale(-11.5,-11.5) "/>
+		</marker>
+		<g id="lend9">
+			<path d="M 1 -1 L -1 1 " style="stroke-linecap:round;stroke-linejoin:round;fill:none"/>
+		</g>
+		<marker id="mrkr9-69" class="st9" orient="auto" markerUnits="strokeWidth" overflow="visible">
+			<use xlink:href="#lend9" transform="scale(-11.5,-11.5) "/>
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+			<use xlink:href="#lend4" transform="scale(-11.08,-11.08) "/>
+		</marker>
+	</defs>
+	<g>
+		<title>Page-1</title>
+		<g id="shape69-1" transform="translate(0.5,-252)">
+			<title>Sheet.69</title>
+			<desc>RomWBW Hard Disk Anatomy (Classic / hd512)</desc>
+			<rect x="0" y="252.5" width="468" height="28.8" class="st1"/>
+			<text x="61.63" y="272.3" class="st2">RomWBW Hard Disk Anatomy (Classic / hd512)</text>		</g>
+		<g id="shape259-4" transform="translate(50.9,-151.2)">
+			<title>Sheet.259</title>
+			<desc>0</desc>
+			<rect x="0" y="266.9" width="14.4" height="14.4" class="st3"/>
+			<text x="5.17" y="276.5" class="st4">0</text>		</g>
+		<g id="shape260-7" transform="translate(65.3,-151.2)">
+			<title>Sheet.260</title>
+			<desc>1</desc>
+			<rect x="0" y="266.9" width="14.4" height="14.4" class="st3"/>
+			<text x="5.17" y="276.5" class="st4">1</text>		</g>
+		<g id="shape261-10" transform="translate(79.7,-151.2)">
+			<title>Sheet.261</title>
+			<desc>2</desc>
+			<rect x="0" y="266.9" width="14.4" height="14.4" class="st3"/>
+			<text x="5.17" y="276.5" class="st4">2</text>		</g>
+		<g id="shape262-13" transform="translate(94.1,-151.2)">
+			<title>Sheet.262</title>
+			<desc>3</desc>
+			<rect x="0" y="266.9" width="14.4" height="14.4" class="st3"/>
+			<text x="5.17" y="276.5" class="st4">3</text>		</g>
+		<g id="shape263-16" transform="translate(108.5,-151.2)">
+			<title>Sheet.263</title>
+			<desc>. . .</desc>
+			<rect x="0" y="266.9" width="72" height="14.4" class="st3"/>
+			<text x="27.54" y="276.5" class="st4">.   .   .</text>		</g>
+		<g id="shape264-19" transform="translate(180.5,-151.2)">
+			<title>Sheet.264</title>
+			<desc>N</desc>
+			<rect x="0" y="266.9" width="14.4" height="14.4" class="st3"/>
+			<text x="4.62" y="276.5" class="st4">N</text>		</g>
+		<g id="shape265-22" transform="translate(50.9,-151.2)">
+			<title>Sheet.265</title>
+			<rect x="0" y="266.9" width="144" height="14.4" class="st5"/>
+		</g>
+		<g id="shape266-24" transform="translate(50.9,-122.4)">
+			<title>Sheet.266</title>
+			<desc>RomWBW Hard Disk (IDE/ATA/ATAPI/CF/SD/USB)</desc>
+			<rect x="0" y="266.9" width="360" height="14.4" class="st6"/>
+			<text x="99.2" y="276.5" class="st4">RomWBW Hard Disk (IDE/ATA/ATAPI/CF/SD/USB)</text>		</g>
+		<g id="shape267-27" transform="translate(230.9,-136.8)">
+			<title>Sheet.267</title>
+			<desc>FAT Partition</desc>
+			<rect x="0" y="266.9" width="165.6" height="14.4" class="st1"/>
+			<text x="61.69" y="276.5" class="st4">FAT Partition</text>		</g>
+		<g id="shape268-30" transform="translate(101.3,-43.2)">
+			<title>Sheet.268</title>
+			<desc>Sector 0</desc>
+			<rect x="0" y="266.9" width="72" height="14.4" class="st7"/>
+			<text x="22.71" y="276.5" class="st4">Sector 0</text>		</g>
+		<g id="shape269-33" transform="translate(158.9,-57.6)">
+			<title>Sheet.269</title>
+			<rect x="0" y="266.9" width="14.4" height="14.4" class="st3"/>
+		</g>
+		<g id="shape270-35" transform="translate(50.9,-64.8)">
+			<title>Sheet.270</title>
+			<path d="M0 228.86 L0 229.22 L0 276.8 A4.5 4.5 -180 0 0 4.5 281.3 L46.08 281.3" class="st8"/>
+		</g>
+		<g id="shape271-41" transform="translate(209.3,-43.2)">
+			<title>Sheet.271</title>
+			<desc>Type 06</desc>
+			<rect x="0" y="274.1" width="43.2" height="7.2" class="st3"/>
+			<text x="11.99" y="279.5" class="st10">Type 06</text>		</g>
+		<g id="shape272-44" transform="translate(209.3,-36)">
+			<title>Sheet.272</title>
+			<rect x="0" y="274.1" width="43.2" height="7.2" class="st3"/>
+		</g>
+		<g id="shape273-46" transform="translate(209.3,-28.8)">
+			<title>Sheet.273</title>
+			<rect x="0" y="274.1" width="43.2" height="7.2" class="st3"/>
+		</g>
+		<g id="shape274-48" transform="translate(209.3,-21.6)">
+			<title>Sheet.274</title>
+			<rect x="0" y="274.1" width="43.2" height="7.2" class="st3"/>
+		</g>
+		<g id="shape275-50" transform="translate(202.1,-7.19997)">
+			<title>Sheet.275</title>
+			<desc>Partition Table</desc>
+			<rect x="0" y="266.9" width="57.6" height="14.4" class="st7"/>
+			<text x="4.92" y="276.5" class="st4">Partition Table</text>		</g>
+		<g id="shape276-53" transform="translate(339.4,65.2999) rotate(90)">
+			<title>Sheet.276</title>
+			<path d="M0 98.42 L0 258.8 A22.5 22.5 -180 0 0 22.5 281.3 L44.88 281.3" class="st11"/>
+		</g>
+		<g id="shape277-59" transform="translate(-71.9999,259.7) rotate(-90)">
+			<title>Bracket.132</title>
+			<path d="M0 281.3 A5.43323 5.43323 0 0 1 4.8 276.5 L9.6 276.5 A5.43323 5.43323 -180 0 0 14.4 271.7 A5.43323 5.43323 -180
+						 0 0 19.2 276.5 L24 276.5 A5.43323 5.43323 0 0 1 28.8 281.3" class="st12"/>
+		</g>
+		<g id="shape278-62" transform="translate(252.5,-180)">
+			<title>Sheet.278</title>
+			<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>
--- a/Source/Doc/Makefile
+++ b/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"
 #
-OBJECTS = ReadMe.gfm ReadMe.txt UserGuide.pdf SystemGuide.pdf Applications.pdf ROM_Applications.pdf Catalog.pdf Errata.pdf
+# 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
@ -36,6 +42,5 @@ deploy :
 	cp UserGuide.pdf         "../../Doc/RomWBW User Guide.pdf"
 	cp SystemGuide.pdf       "../../Doc/RomWBW System Guide.pdf"
 	cp Applications.pdf      "../../Doc/RomWBW Applications.pdf"
-	cp ROM_Applications.pdf  "../../Doc/RomWBW ROM Applications.pdf"
 	cp Catalog.pdf           "../../Doc/RomWBW Disk Catalog.pdf"
-	cp Errata.pdf             "../../Doc/RomWBW Errata.pdf"
+	cp Errata.pdf            "../../Doc/RomWBW Errata.pdf"
--- a/Source/Doc/ROM_Applications.md
+++ b/Source/Doc/ROM_Applications.md
@ -1,635 +0,0 @@
-$define{doc_title}{ROM Applications}$
-$define{doc_author}{Phillip Summers}$
-$define{doc_authmail}{}$
-$include{"Book.h"}$
-
-# Summary
-
-RomWBW includes a small selection of built in utilities and
-programming languages.
-
-`\clearpage`{=latex}
-
-# RomWBW Monitor
-
-The Monitor program is a low level utility that can be used 
-for testing and programming. It allows programs to be entered,
-memory to be examined, and input/output devices to be read or
-written to.
-
-It's key advantage is that is available at boot up. 
-
-Its key disadvantages are that code cannot be entered in assembly 
-language and there is no ability to save to memory devices.
-
-The available memory area for programming is `0200-EDFFh`.
-The following areas are reserved:
-
-Memory Area | Function
------------|-----------------------------------
-`0000-00FFh`| Jump and restart (RST) vectors
-`0100-01FFh`| HBIOS configuration block
-`EE00-FDFFh`| MONITOR
-`FE00-FFFFh`| HBIOS proxy
-
-Commands can be entered at the command prompt `>` 
-Automatic case conversion takes place on command entry and all 
-arguments are expected to be in hex format.
-
-The current memory bank in low memory is displayed before the prompt i.e.:
-
-`8E>`
-
-The Monitor allows access to all memory locations but ROM and
-Flash memory cannot be written to. Memory outside the normal
-address range can be accessed using the B command. The first
-256 bytes `0000-01FF` is critical for the HBIOS operation.
-Changing banks may make this information inaccessible.
-
-Refer to the RomWBW Architecture manual for details memory banking.
-
-A quick guide to using the Monitor program follows:
-
-## ? - Displays a summary of available commands.
-
-```
-Monitor Commands (all values in hex):
-B                    - Boot system
-D xxxx [yyyy]        - Dump memory from xxxx to yyyy
-F xxxx yyyy zz       - Fill memory from xxxx to yyyy with zz
-H                    - Halt system
-I xxxx               - Input from port xxxx
-K                    - Keyboard echo
-L                    - Load Intel hex data
-M xxxx yyyy zzzz     - Move memory block xxxx-yyyy to zzzz
-O xxxx yy            - Output value yy to port xxxx
-P xxxx               - Program RAM at address xxxx
-R xxxx [[yy] [zzzz]] - Run code at address xxxx
-                       Pass yy and zzzz to register A and BC
-T xxxx	             - X-modem transfer to memory location xxxx
-S xx                 - Set bank to xx
-X                    - Exit monitor
-```
-
-## Cold Boot
-
-B - Performs a cold boot of the ROMWBW system. A complete
-re-initialization of the system is performed and the system
-returns to the Boot Loader prompt.
-
-## Dump Memory
-
-D xxxx [yyyy] - Dump memory from hex location xxxx to yyyy
-on the screen as lines of 16 hexadecimal bytes with their
-ASCII equivalents (if within a set range, else a '.' is
-printed). If the end address is omitted then 256 bytes is
-displayed. 
-
-A good tool to see where code is located, check
-for version id, obtain details for chip configurations and
-execution paths.
-
-Examples: `D 100 1FF`
-
-```
-0100: 10 0B 01 5A 33 45 4E 56 01 00 00 2A 06 00 F9 11  ...Z3ENV...*..ù.
-0110: DE 38 37 ED 52 4D 44 0B 6B 62 13 36 00 ED B0 21  Þ87íRMD.kb.6.í°!
-0120: 7D 32 E5 21 80 00 4E 23 06 00 09 36 00 21 81 00  }2å!..N#...6.!..
-0130: E5 CD 6C 1F C1 C1 E5 2A C9 8C E5 CD 45 05 E5 CD  åÍl.ÁÁå*É.åÍE.åÍ
-0140: 59 1F C3 00 00 C3 AE 01 C3 51 04 C3 4C 02 C3 57  Y.Ã..î.ÃQ.ÃL.ÃW
-0150: 02 C3 64 02 C3 75 02 C3 88 02 C3 B2 03 C3 0D 04  .Ãd.Ãu.Ã..ò.Ã..
-0160: C3 19 04 C3 22 04 C3 2A 04 C3 35 04 C3 40 04 C3  Ã..Ã".Ã*.Ã5.Ã@.Ã
-0170: 48 04 C3 50 04 C3 50 04 C3 50 04 C3 8F 02 C3 93  H.ÃP.ÃP.ÃP.Ã..Ã.
-0180: 02 C3 94 02 C3 95 02 C3 85 04 C3 C7 04 C3 D1 01  .Ã..Ã..Ã..ÃÇ.ÃÑ.
-0190: C3 48 02 C3 E7 04 C3 56 03 C3 D0 01 C3 D0 01 C3  ÃH.Ãç.ÃV.ÃÐ.ÃÐ.Ã
-01A0: D0 01 C3 D0 01 C3 D0 01 C3 D0 01 01 02 01 CD 6B  Ð.ÃÐ.ÃÐ.ÃÐ....Ík
-01B0: 04 54 68 69 73 20 66 75 6E 63 74 69 6F 6E 20 6E  .This function n
-01C0: 6F 74 20 73 75 70 70 6F 72 74 65 64 2E 0D 0A 00  ot supported....
-01D0: C9 3E FF 32 3C 00 3A 5D 00 FE 20 28 14 D6 30 32  É>ÿ2<.:].þ (.Ö02
-01E0: AB 01 32 AD 01 3A 5E 00 FE 20 28 05 D6 30 32 AC  «.2.:^.þ (.Ö02¬
-01F0: 01 C5 01 F0 F8 CF E5 26 00 0E 0A CD 39 02 7D 3C  .Å.ðøÏå&...Í9.}<
-```
-
-## Fill Memory
-
-F xxxx yyyy zz - Fill memory from hex xxxx to yyyy with
-a single value of zz over the full range. The Dump command
-can be used to confirm that the fill completed as expected. A
-good way to zero out memory areas before writing machine data
-for debug purposes.
-
-## Halt System
-
-H - Halt system. A Z80 HALT instruction is executed. The
-system remains in the halt state until the system is
-physically rebooted. Interrupts will not restart the
-system. On systems that support a HALT status LED, the
-LED will be illuminated.
-
-## Input from port
-
-I xxxx - Input data from port xxxx and display to the screen.
-This command is used to read values from hardware I/O ports
-and display the contents in hexadecimal. 
-
-## Keyboard Echo
-
-K - Echo any key-presses from the terminal. Press 'ESC' key
-to quit. This facility provides that any key stroke sent to
-the computer will be echoed back to the terminal. File down
-loads will be echoed as well while this facility is ‘on’.
-
-## Load Hex format file into memory
-
-L - Load a Intel Hex format file via the terminal program.
-The load address is defined in the hex file of the
-assembled code.
-
-The terminal emulator program should be configured to
-give a delay at the end of each line to allow the monitor
-enough time to parse the line and move the data to memory.
-
-Keep in mind that this will be a transient unless the
-system support battery backed memory. Saving to memory drive 
-is not supported.
-
-## Move memory
-
-M xxxx yyyy zzzz - Move hex memory block xxxx to yyyy to
-memory starting at hex location zzzz. Care should be taken
-to insure that there is enough memory at the destination so
-that code does not get over-written or memory wrapped around.
-
-## Output to port
-
-O xxxx yy - Output data byte xx to port xxxx. This command is
-used to send hexadecimal values to hardware I/O ports to
-verify their operation and is the companion to the I operation.
-Use clip leaded LEDs to confirm the data written.
-
-## Program memory location
-
-P xxxx - Program memory location xxxx. This routine will
-allow you to program a hexadecimal value 'into memory starting
-at location xxxx. Press 'Enter' on a blank line to
-return to the Monitor prompt.
-
-The limitation around programming memory is that it must be 
-entered in hexadecimal. An alternative is to use the L command
-to load a program that has been assembled to a hex file on the
-remote computer.
-
-An excellent online resource for looking up opcodes for entry
-can be found here: [https://clrhome.org/table](https://clrhome.org/table)
-
-## Run program
-
-R xxxx [[yy] [zzzz]] - Run program at location xxxx. If optional
-arguments yy and zzzz are entered they are loaded into the
-A and BC register respectively. The return address of the
-Monitor is saved on the stack so the program can return
-to the monitor. On return to the monitor, the contents of
-the A, HL, DE and BC registers are displayed.
-
-## Set bank
-
-S xx - Change the bank in memory to xx. Memory addresses
-0000-7FFF (i.e. bottom 32k) are affected. Because the
-interrupt vectors are stored in the bottom page of this
-range, this function is disable when interrupt mode 1 is
-being used (IM1). Interrupt mode 2 is not affected as the
-associated jump vectors are stored in high memory. 
-
-Changing the bank also impacts the restart vectors (RST),
-so executing code that call the HBIOS using the RST 08
-assembly code will not work.
-
-The monitor stack resides in high memory and is not affected
-but any code that changes the stack to low memory will be
-affected.
-
-### Bank codes and descriptions
-
-TYPE | DESCRIPTION        |BANK| DETAILS
-----|--------------------|----|---------------------
-RAM  | COMMON BANK        | 9F | 1024K RAM SYSTEM
-RAM  | USER BANK          | 9E | 1024K RAM SYSTEM
-RAM  | BIOS BANK          | 9D | 1024K RAM SYSTEM
-RAM  | AUX BANK           | 9C | 1024K RAM SYSTEM
-RAM  | OS BUFFERS END     | 9B | 1024K RAM SYSTEM
-RAM  | OS BUFFERS START   | 98 | 1024K RAM SYSTEM
-RAM  | RAM DRIVE END	  | 97 | 1024K RAM SYSTEM
-RAM  | COMMON BANK        | 8F | 512K RAM SYSTEM
-RAM  | USER BANK          | 8E | 512K RAM SYSTEM
-RAM  | BIOS BANK          | 8D | 512K RAM SYSTEM
-RAM  | AUX BANK           | 8C | 512K RAM SYSTEM
-RAM  | OS BUFFERS         | 8B | 512K RAM SYSTEM
-RAM  | OS BUFFERS         | 8A | 512K RAM SYSTEM
-RAM  | OS BUFFERS         | 89 | 512K RAM SYSTEM
-RAM  | OS BUFFERS         | 88 | 512K RAM SYSTEM
-RAM  | RAM DRIVE END	  | 87 | 512K RAM SYSTEM
-RAM  | RAM DRIVE START    | 80 |
-ROM  | BOOT BANK          | 00 | COLD START & HBIOS
-ROM  | LOADER & IMAGES    | 01 | MONITOR, FORTH
-ROM  | ROM IMAGES CONTD.  | 02 | BASIC, ETC
-ROM  | FAT FILESYSTEM     | 03 | UNA ONLY, ELSE UNUSED
-ROM  | ROM DRIVE START    | 04 |
-ROM  | ROM DRIVE END      | 0F | 512K ROM SYSTEM
-ROM  | ROM DRIVE END      | 1F | 1024K ROM SYSTEM
-
-## X-modem transfer
-
-T xxxx - Receive an X-modem file transfer and load it into
-memory starting at location xxxx. 
-
-128 byte blocks and checksum mode is the only supported 
-protocol.
-
-If the monitor is assembled with the DSKY functionality,
-this feature will be exclude due to space limitations.
-
-
-## NOTES:
-
-The RTC utility on the CP/M ROM disk provides facilities
-to manipulate the Real Time Clock non-volatile Memory. 
-Use the C or Z option from the Boot Loader to load CP/M 
-and then run RTC to see the options list.
-
-# FORTH
-
-CamelForth is the version of Forth included as part of the boot
-ROM in ROMWBW. It has been converted from the Z80 CP/M version
-published here [www.camelforth.com/page.php?5](www.camelforth.com/page.php?5). The author is Brad
-Rodriguez who is a prolific Forth enthusiast, whose work can be
-found here: [www.bradrodriguez/papers/index.html](www.bradrodriguez/papers/index.html)
-
-For those are who are not familiar with Forth, I recommend the
-wikipedia article [en.wikipedia.org/wiki/Forth_(programming_language](en.wikipedia.org/wiki/Forth_(programming_language))
-and the Forth Interest Group website [www.forth.org](www.forth.org)
-
-## Important things to know
-
-Forth is case sensitive.
-
-To exit back to the boot loader type ***bye***
-
-To get a list of available words type ***WORDS***
-
-To reset Forth to its initial state type ***COLD***
-
-Most of the code you find on the internet will not run unless modified or additional Forth
-words are added to the dictionary.
-
-This implementation does not support loading or saving of programs. All programs
-need to be typed in. Additionally, screen editing and code blocks are not supported.
-
-## Structure of Forth source files
-
-File          | Description
--------------|-----------------------------
-camel80.azm   | Code Primitives
- camel80d.azm | CPU Dependencies
- camel80h.azm | High Level words
- camel80r.azm | ROMWBW additions
-glosshi.txt   | Glossary of high level words
-glosslo.txt   | Glossary of low level words
-glossr.txt    | Glossary of ROMWBW additions
-
-## ROMWBW Additions
-
-Extensions and changes to this implementation compared to the original distribution are:
-
-The source code has been converted from Z80mr assembler to Hector Peraza's zsm.
-
-An additional file camel80r.azm has been added for including additional words to 
-the dictionary at build time. However, as currently configured there is very little space
-allocated for addition words. Exceeding the allocated ROM space will generate an error
-message when building.
-
-James Bowman's double precision words have been added from his RC2014 version:
-[https://github.com/jamesbowman/camelforth-z80](https://github.com/jamesbowman/camelforth-z80)
-
-Word    | Syntax                     | Description
--------|----------------------------|---------------------------------
-D+	| d1 d2 -- d1+d2             | Add double numbers
-2>R	| d --                       | 2 to R
-2R>	| d --                       | fetch 2 from R
-M*/	| d1 n2 u3 --  d=(d1*n2)/u3  | double precision mult. div
-SVC	| hl de bc n -- hl de bc af  | Execute a ROMWBW function
-P!	| n p --                     | Write a byte to a I/O port
-P@      | p -- n                     | Read a byte from and I/O port
-
-# BASIC
-
-For those who are not familiar with BASIC, it stands for Beginners All purpose Symbolic
-Instruction Code. 
-
-ROMWBW contains two versions of ROM BASIC, a full implementation and a "tiny" BASIC.
-
-The full implementation is a version of Microsoft BASIC from the NASCOM Computer.
-
-A comprehensive instruction manual is available in the Doc\\Contrib directory.
-
-## ROMWBW specific features
-
- Sound
- Graphics
- Terminal Support
-
-## ROMWBW unsupported features
-
- This ROM-hosted implementation does not support cassette or disk
-  access for loading and saving programs.
-
-# TastyBASIC
-
-TastyBASIC offers a minimal implementation of BASIC that is only 2304 bytes in size. 
-It originates from Li-Chen Wang's Palo Alto Tiny BASIC from around 1976. It's small size suited the tiny memory capacities of the time. This implementation is by Dimitri Theulings and his
-original source can be found here [https://github.com/dimitrit/tastybasic](https://github.com/dimitrit/tastybasic)
-
-## Features / Limitations
-
- This ROM-hosted implementation does not support disk access for
-  loading and saving programs.
- Integer arithmetic, numbers -32767 to 32767
- Singles letter variables A-Z
- 1-dimensional array support
- Strings are not supported
-
-## Direct Commands
-
- `LIST`,`RUN`, `NEW`, `CLEAR`, `BYE`
-
-## Statements
-
- `LET`, `IF`, `GOTO`, `GOSUB RETURN`, `REM`, `FOR TO NEXT STEP`, `INPUT`, `PRINT`, `POKE`, `END`
-
-## Functions
-
- `PEEK`, `RND`, `ABS`, `USR`, `SIZE`
-
-## Operators
-
- `>=`, `#`, `>`, `=`, `<=`, `<`
-
- Operator precedence is supported.
-
-Type ***BYE*** to return to the monitor.
-
-# Play a Game
-
-## 2048
-
-2048 is a puzzle game that can be both mindless and challenging. It
-appears deceptively simple but failure can creep up on you suddenly.
-
-It requires an ANSI/VT-100 compatible colour terminal to play.
-
-2048 is like a sliding puzzle game except the puzzle tiles are 
-numbers instead of pictures. Instead of moving a single tile all 
-tiles are moved simultaneously in the same direction. Where two 
-tiles of the same number collide, they are reduced to one tile with
-the combined value. After every move a new tile is added with
-a starting value of 2. 
-
-The goal is to create a tile of 2048 before all tile locations are
-occupied. Reaching the highest points score, which is the sum of all
-the tiles is a secondary goal. The game will automatically end when 
-there are no more possible moves.
-
-Play consists of entering a direction to move. Directions can be entered
-using any of three different keyboard direction sets.
-
-```
-Direction | Keys
----------|----------
-Up        | w ^E 8
-Down      | s ^X 2
-Left      | a ^S 4
-Right     | d ^D 6
-```
-The puzzle board is a 4x4 grid. At start, the grid will be populated
-with two 2 tiles. An example game sequence is shown below with new
-tiles to the game shown in brackets.
-
-```
-Start             Move 1 - Up       Move 2 - Left     Move 3 - Left
-+---+---+---+---+ +---+---+---+---+ +---+---+---+---+ +---+---+---+---+
-|   |   |   |(2)| |   |   |   | 4 | | 4 |   |   |   | | 4 |   |   |   |
-+---+---+---+---+ +---+---+---+---+ +---+---+---+---+ +---+---+---+---+
-|   |   |   |   | |   |   |   |   | |   |   |   |(4)| | 4 |   |   |   |
-+---+---+---+---+ +---+---+---+---+ +---+---+---+---+ +---+---+---+---+
-|   |   |   |(2)| |   |   |   |   | |   |   |   |   | |   |   |   |   |
-+---+---+---+---+ +---+---+---+---+ +---+---+---+---+ +---+---+---+---+
-|   |   |   |   | |   |   |(2)|   | | 2 |   |   |   | | 2 |   |(2)|   |
-+---+---+---+---+ +---+---+---+---+ +---+---+---+---+ +---+---+---+---+
-
-Move 4 - Left     Move 5 - Up       Move 6 - Right    Move 7 - Up
-+---+---+---+---+ +---+---+---+---+ +---+---+---+---+ +---+---+---+---+
-| 4 |   |   |   | | 8 |   |   | 4 | |   |   | 8 | 4 | |   |   | 8 | 8 |
-+---+---+---+---+ +---+---+---+---+ +---+---+---+---+ +---+---+---+---+
-| 4 |   |   |(4)| | 4 |   |   |   | |   |   |   | 4 | |   |   |   | 2 |
-+---+---+---+---+ +---+---+---+---+ +---+---+---+---+ +---+---+---+---+
-|   |   |   |   | |   |   |   |   | |   |   |   |   | |   |   |   |   |
-+---+---+---+---+ +---+---+---+---+ +---+---+---+---+ +---+---+---+---+
-| 4 |   |   |   | |(2)|   |   |   | |(2)|   |   | 2 | |(2)|   |   |   |
-+---+---+---+---+ +---+---+---+---+ +---+---+---+---+ +---+---+---+---+
-```
-This is how I lost this game:
-```
-+---+---+---+---+
-| 4 | 2 | 16| 4 |
-+---+---+---+---+
-| 32| 64| 8 | 2 |
-+---+---+---+---+
-| 4 | 8 |128| 32|
-+---+---+---+---+
-|(2)| 16| 8 | 4 |
-+---+---+---+---+
-```
-Press Q at any time to bring up the option to Quit or Restart the game.
-
-# Network Boot
-
-# Xmodem Flash Updater
-
-The ROMWBW Xmodem flash updater provides the capability to update ROMWBW from the boot loader using  an x-modem file transfer. It offers similar capabilities to Will Sowerbutts FLASH4 utility except that the flashing process occurs during the file transfer. 
-
-These are the key differences between the two methods are:
-
-Xmodem Flash Updater            | FLASH4
--------------------------------|-----------------
-Available from the boot loader   | Well proven and tested
-Xmodem transfer is integrated    | Wider range of supported chips and hardware
-Integrated checksum utilities    | Wider range of supported platforms
-Capability to copy a ROM image   | Only reprograms sectors that have changed
-More convenient one step process | Ability save and verify ROM images
-No intermediate storage required | Progress display while flashing
-.                                | Displays chip identification information
-.                                | Faster file transfer
-                                 
-The major disadvantages of the Updater is that it is new and relatively untested. There is the risk that a failed transfer will result in a partially flashed and unbootable ROM. There are some limitations on serial transfer speeds.
- 
-The updater utility was initially intended to support the Retrobrew SBC-V2-005 platform using Atmel 39SF040 flash chips but has now been extended to be more generic in operation.
-
-Supported flash chips are 
-39SF040, 29F040,  AT49F040, AT29C040, M29F040 , MX29F040,  A29010B, A29040B
-
-The Atmel 39SF040 chip is recommended as it can erase and write 4Kb sectors. Other chips require the whole chip to be erased.
-
-## Usage
-
-In most cases, completing a ROM update is a simple as:
-
-1. Booting to the boot loader prompt
-2. Selecting option X - Xmodem Flash Updater
-3. Selecting option U - Update
-4. Initiating an X-modem transfer of your ROM image on your console device
-5. Selecting option R - Reboot
-
-If your console device is not able to transfer a ROM image i.e. your console is a VDU then you will have to use the console options to identify which character-input/output device is to be used as the serial device for transfer.
-
-When your console is the serial device used for the transfer, no progress information is displayed as this would disrupt the x-modem file transfer. If you use an alternate character-input/output devices as the serial device for the transfer then progress information will be displayed on the console device.
-
-Due to different platform processor speeds,  serials speeds and flow control capabilities the default console or serial device speed may need to be reduced for a successful transfer and flash to occur. The **Set Console Interface/Baud code** option at the Boot Loader can be used to change the speed if required. Additionally, the Updater has options to set to and revert from a recommended speed. 
-
-See the ROMWBW Applications guide for additional information on performing upgrades.
-
-## Console Options
-
-Option ( C ) - Set Console Device
-
-Option ( S ) - Set Serial Device
-
-By default the updater assumes that the current console is a serial device and that the ROM file to be flashed will also be transferred across this device, so the Console and Serial device are both the same.
-
-Either device can be can be change to another character-input/output device but the updater will always expect to receive the x-modem transfer on the **Serial Device**
-
-The advantage of transferring on a different device to the console is that progress information can be displayed during the transfer.
-
-Option ( > ) - Set Recommended Baud Rate
-
-Option ( < ) - Revert to Original Baud Rate
-
-## Programming options
-
-Option ( U ) - Begin Update
-
-The will begin the update process. The updater will expect to start receiving
-an x-modem file on the serial device unit.
-
-X-modem sends the file in packets of 128 bytes. The updater will cache 32
-packets which is 1 flash sector and then write that sector to the
-flash device.
-
-If using separate console, bank and sector progress information will shown
-
-```
-BANK 00 s00 s01 s02 s03 s04 s05 s06 s06 s07
-BANK 01 s00 s01 s02 s03 s04 s05 s06 s06 s07
-BANK 02 s00 s01 s02 s03 s04 s05 s06 s06 s07 etc
-```
-
-The x-modem file transfer protocol does not provide any filename or size
-information for the transfer so the updater does not perform any checks
-on the file suitability.
-
-The updater expects the file size to be a multiple of 4 kilobytes and
-will write all data received to the flash device. A system update
-file (128kb .img) or complete ROM can be received and written (512kb or
-1024kb .rom)
-
-If the update fails it is recommended that you retry before rebooting or
-exiting to the Boot loader as your machine may not be bootable.
-
-Option ( D ) - Duplicate flash #1 to flash #2
- 
-This option will make a copy of flash #1 onto flash #2. The purpose of this is to enable
- making a backup copy of the current flash. Intended for systems using 2x512Kb Flash devices.
-
-Option ( V ) - Toggle Write Verify
-
-By default each flash sector will be verified after being written. Slight
-performance improvements can be gained if turned off and could be used if
-you are experiencing reliable transfers and flashing.
-
-## Exit options
-
-Option ( R ) - Reboot
-
-Execute a cold reboot. This should be done after a successful update. If
-you perform a cold reboot after a failed update then it is likely that
-your system will be unusable and removing and reprogramming the flash
-will be required.
-
-Option ( Q ) - Quit to boot loader. 
-
-The SBC Boot Loader is reloaded from ROM and
-executed. After a successful update a Reboot should be performed. However,
-in the case of a failed update this option could be used to attempt to
-load CP/M and perform the normal x-modem / flash process to recover.
-
-## CRC Utility options
-
-Option ( 1 ) and ( 2 ) - Calculate and display CRC32 of 1st or 2nd 512k ROM.
-Option ( 3 ) - Calculate and display CRC32 of a 1024k (2x512Kb) ROM.
-
-Can be used to verify if a ROM image has been transferred and flashed correctly. Refer  to the Teraterm section below for details on configuring the automatic display of a files CRC after it has been transferred.
-
-In Windows, right clicking on a file should also give you a context menu option CRC SHA which will allow you to select a CRC32 calculation to be done on the selected file.
-
-## Tera Term macro configuration 
-
-Macros are a useful tool for automatic common tasks. There are a number of instances where using macros to facilitate the update process could be worthwhile if you are:
-
-* Following the ROMWBW development builds.
-* Doing lots of configuration changes.
-* Doing development on ROMWBW drivers
-
-Macros can be used to automate sending ROM updates or images and for my own purposed I have set up a separate macro for transferring each of the standard build ROM, my own custom configuration ROM and update ROM.
-
-An example macro file to send an *.upd file, using checksum mode and display the crc32 value of the transmitted file:
-
-```
-Xmodem send, checksum, display crc32
-xmodemsend '\\desktop\users\phillip\documents\github\romwbw\binary\sbc_std_cust.upd' 1
-crc32file crc '\\desktop\users\phillip\documents\github\romwbw\binary\sbc_std_cust.rom'
-sprintf '0x%08x' crc
-messagebox inputstr 'crc32'
-```
-
-## Serial speed guidelines
-
-As identified in the introduction, there are limitations on serial speed depending on processor speed and flow control settings. Listed below are some of the results identified during testing.
-
-Platform / Configuration       | Processor Speed | Maximum Serial Speed
-------------------------------|-----------------|---------------------
-SBC-V2  UART no flow control   | 2mhz            | 9600
-SBC-V2  UART no flow control   | 4mhz            | 19200
-SBC-V2  UART no flow control   | 5mhz            | 19200
-SBC-V2  UART no flow control   | 8mhz            | 38400
-SBC-V2  UART no flow control   | 10mhz           | 38400
-SBC-V2  USB-FIFO 2mhz+         |                 | n/a
-SBC-MK4 ASCI no flow control   | 18.432mhz       | 9600
-SBC-MK4 ASCI with flow control | 18.432mhz       | 38400
-
-The **Set Recommend Baud Rate** option in the Updater menu follows the following guidelines.
-
-Processor Speed | Baud Rate
----------------|----------
-1Mhz            | 4800
-2-3Mhz          | 9600
-4-7Mhz          | 19200
-8-20Mhz         | 38400
-
-These can be customized in the updater.asm source code in the CLKTBL table  if desired.
-Feedback to the ROMWBW developers on these guidelines would be appreciated.
-
-## Notes:
- All testing was done with Teraterm x-modem, Forcing checksum mode using macros was found to give  the most reliable transfer.
- Partial writes can be completed with 39SF040 chips. Other chips require entire flash to be erased before being written.
- An SBC V2-005 MegaFlash or Z80 MBC required for 1mb flash support. The Updater assumes both chips are same type
- Failure handling has not been tested.
- Timing broadly calibrated on a Z80 SBC-v2
- UNA BIOS not supported
--- a/Source/Doc/ReadMe.md
+++ b/Source/Doc/ReadMe.md
@ -114,7 +114,6 @@ Documentation for $doc_product$ includes:
 * $doc_user$
 * $doc_sys$
 * $doc_apps$
-* $doc_romapps$
 * $doc_errata$

 # Acknowledgments
@ -188,6 +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.
--- a/Source/Doc/RomWBW
+++ b/Source/Doc/RomWBW
--- a/Source/Doc/SystemGuide.md
+++ b/Source/Doc/SystemGuide.md
@ -126,6 +126,243 @@ execution.

 ![Bank Switched Memory Layout](Graphics/BankSwitchedMemory){ width=100% }

+
+## Bank Id
+
+RomWBW utilizes a specific assignment of memory banks for dedicated
+purposes.  A numeric Bank Id is used to refer to the memory banks.  The
+Bank Id is a single byte.  In general, the Bank Id simply refers to each
+of the 32K banks in sequential order.  In other words, Bank Id 0 is the
+first physical 32K, Bank Id 1 is the second, etc.  However, the high
+order bit of the Bank Id has a special meaning.  If it is 0, it indicates
+a ROM bank is being referred to.  If it is 1, it indicates a RAM bank
+is being referred to.
+
+For example, let's say we have a typical system with 512KB of ROM and
+512KB of RAM.  The Bank Ids would look like this:
+
+| Physical Memory   | Type | Physical Bank | Bank Id   |
+|-------------------|------|---------------|-----------|
+| 0x000000-0x007FFF | ROM  | 0             | 0x00      |
+| 0x008000-0x00FFFF | ROM  | 1             | 0x01      |
+| 0x010000-0x07FFFF | ROM  | 2-15          | 0x02-0x0F |
+| 0x080000-0x087FFF | RAM  | 16            | 0x80      |
+| 0x088000-0x08FFFF | RAM  | 17            | 0x81      |
+| 0x090000-0x0FFFFF | RAM  | 18-31         | 0x82-0x8F |
+
+Note that Bank Id 0x00 is **always** the first bank of ROM and 0x80 is
+**always** the first bank of RAM.  If there were more banks of physical ROM,
+they would be assigned Bank Ids starting with 0x10.  Likewise, additional
+bank of physical RAM would be assigned Bank Ids starting with 0x90.
+
+The Bank Id is used in all RomWBW API functions when referring to
+the mapping of banks to the lower 32K bank area of the processor.  In
+this way, all RomWBW functions can refer to a generic Bank Id without
+needing to understand how a specific hardware platform accesses the
+physical memory areas.  A single routine within the HBIOS is implemented
+for each memory manager that maps Bank Ids to physical memory.
+
+## Bank Assignments
+
+RomWBW requires dedicated banks of memory for specific purposes.  It
+uses Bank Ids via an algorithm to make these assignments.  The following
+table describes the way the banks are assigned.  The Typical column
+shows the specific values that would be assigned for a common system
+with 512KB of ROM and 512KB of RAM (nROM=16, nRAM=16).
+
+| Bank Id           | Identity  | Typical | Purpose                                  |
+|-------------------|-----------|---------|------------------------------------------|
+| 0x00              |BID_BOOT   | 0x00    | Boot Bank (HBIOS image)                  |
+| 0x01              |BID_IMG0   | 0x01    | Boot Loader, Monitor, ROM OSes, ROM Apps |
+| 0x02              |BID_IMG1   | 0x02    | ROM Apps                                 |
+| 0x03              |BID_IMG2   | 0x03    | \<Reserved\>                             |
+| 0x04              |BID_ROMD0  | 0x04    | First ROM Disk Bank                      |
+| nROM - 1          |           | 0x0F    | Last ROM Disk Bank                       |
+| 0x80              |BID_BIOS   | 0x80    | HBIOS (working copy)                     |
+| 0x81              |BID_RAMD0  | 0x81    | First RAM Disk Bank                      |
+| 0x80 + nRAM - 8   |           | 0x88    | Last RAM Disk Bank                       |
+| 0x80 + nRAM - 7   |BID_APP0   | 0x89    | First Application Bank                   |
+| 0x80 + nRAM - 5   |           | 0x8B    | Last Application Bank                    |
+| 0x80 + nRAM - 4   |BID_BUF    | 0x8C    | OS Disk Buffers                          |
+| 0x80 + nRAM - 3   |BID_AUX    | 0x8D    | OS Code Bank                             |
+| 0x80 + nRAM - 2   |BID_USR    | 0x8E    | User Bank (CP/M TPA)                     |
+| 0x80 + nRAM - 1   |BID_COM    | 0x8F    | Common Bank                              |
+
+In this table, nROM and nRAM refer to the number of corresponding
+ROM and RAM banks in the the system.
+
+The contents of the banks referred to above are described in more detail
+below:
+
+Boot Bank:
+
+: The Boot Bank receives control when a system is first powered
+on.  It contains a ROM (read-only) copy of the HBIOS.  At boot, it does
+minimal hardware initialization, then copies itself to the HBIOS bank
+in RAM, then resumes execution from the RAM bank.
+
+Boot Loader:
+
+: The application that handles loading of ROM or Disk based applications
+including operating systems.  It copies itself to a RAM bank at the
+start of it's execution.
+
+Monitor:
+
+: The application that implements the basic system monitor functions.
+It copies itself to a RAM bank at the start of it's execution.
+
+ROM OSes:
+
+: Code images of CP/M 2.2 and Z-System which are copied to RAM and
+executed when a ROM-based operating system is selected in the Boot
+Loader.
+
+ROM Applications:
+
+: Various ROM-based application images such as BASIC, FORTH, etc.  They
+can be selected in the Boot Loader.  The Boot Loader will copy the
+application image to a RAM bank, then transfer control to it.
+
+ROM Disk:
+
+: A sequential series of banks assigned to provide the system ROM Disk
+contents.
+
+HBIOS:
+
+: This bank hosts the running copy of the RomWBW HBIOS.
+
+RAM Disk:
+
+: A sequential series of banks assigned to provide the system RAM Disk.
+
+Application Bank:
+
+: A sequential series of banks that are available for use by applications
+that wish to utilize banked memory.
+
+OS Disk Buffers:
+
+: This bank is used by CP/M 3 and ZPM3 for disk buffer storage.
+
+OS Code Bank:
+
+: This bank is used by CP/M 3 and ZPM3 as an alternate bank for code.
+This allows these operating systems to make additional TPA space
+available for applications.
+
+User Bank:
+
+: This is the default bank for applications to use.  This includes the
+traditional TPA space for CP/M.
+
+Common Bank:
+
+: This bank is mapped to the upper 32K of the processors memory space.
+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
@ -410,7 +647,7 @@ below enumerates these values.
 | CIODEV_ESPCON   | 0x0B   | ESP32 VGA Console                        | esp.asm      |
 | CIODEV_ESPSER   | 0x0B   | ESP32 Serial Port                        | esp.asm      |
 | CIODEV_SCON     | 0x0B   | S100 Console                             | scon.asm     |
-| CIODEV_EZ80UART | 0x10   | eZ80 Built-in UART0 Interface            | ez80uart.asm | 
+| CIODEV_EZ80UART | 0x11   | eZ80 Built-in UART0 Interface            | ez80uart.asm | 

 Character devices can usually be configured with line characteristics
 such as speed, framing, etc. A word value (16 bit) is used to describe
@ -611,12 +848,19 @@ 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)
@ -829,6 +1073,12 @@ 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**                    |
@ -862,7 +1112,7 @@ 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                         |
@ -872,7 +1122,11 @@ 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.
@ -897,7 +1151,7 @@ unit.  The table below enumerates these values.
 | RTCDEV_INT      | 0x03   | Interrupt-based Real Time Clock          | intrtc.asm  |
 | RTCDEV_DS7      | 0x04   | Maxim DS1307 PCF I2C RTC w/ NVRAM        | ds7rtc.asm  |
 | RTCDEV_RP5      | 0x05   | Ricoh RPC01A Real-Time Clock w/ NVRAM    | rp5rtc.asm  |
-| RTCDEV_EZ80     | 0x06   | eZ80 on-chip RTC                         | ez80rtc.asm |
+| RTCDEV_EZ80     | 0x07   | eZ80 on-chip RTC                         | ez80rtc.asm |

 The time functions to get and set the time (RTCGTM and RTCSTM) require a
 6 byte date/time buffer in the following format. Each byte is BCD 
@ -1881,7 +2135,7 @@ 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                    |
@ -1904,6 +2158,17 @@ 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)
@ -1964,7 +2229,6 @@ The hardware Platform (L) is identified as follows:
 | PLT_MK4       |5       | MARK IV                                 |
 | PLT_UNA       |6       | UNA BIOS                                |
 | PLT_RCZ80     |7       | RCBUS W/ Z80                            |
-| PLT_RCEZ80    |7       | RCBUS W/ eZ80                           |
 | PLT_RCZ180    |8       | RCBUS W/ Z180                           |
 | PLT_EZZ80     |9       | EASY/TINY Z80                           |
 | PLT_SCZ180    |10      | RCBUS SC126, SC130, SC131, SC140        |
@ -1975,6 +2239,7 @@ The hardware Platform (L) is identified as follows:
 | PLT_Z80RETRO  |15      | Z80 RETRO COMPUTER                      |
 | PLT_S100      |16      | S100 COMPUTERS Z180                     |
 | PLT_DUO       |17      | DUODYNE Z80 SYSTEM                      |
+| PLT_RCEZ80    |24      | RCBUS W/ eZ80                           |

 ### Function 0xF2 -- System Set Bank (SYSSETBNK)

@ -2265,6 +2530,9 @@ 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.
@ -2275,14 +2543,19 @@ to see if it is incrementing.
 |----------------------------------------|----------------------------------------|
 | B: 0xF8                                | A: Status                              |
 | C: 0xD1                                | DEHL: Seconds Count                    |
-|                                        | C: Ticks per Second                    |
+|                                        | C: Remainder Ticks                     |

-Return the a Seconds Count (DEHL) with the number of seconds that have 
+Return the Seconds Count (DEHL) with the number of seconds that have 
 elapsed since the system was started.  This is a double-word binary 
-value.  Additionally, the number of Ticks per Second (C) is returned.  
-The returned Status (A) is a standard HBIOS result code.
+value.  Additionally, Remainder Ticks (C) is returned and contains the number
+of ticks that have elapsed within the current second.
+
+Note that Remainder Ticks (C) will have a value from 0 to 49 since there are
+50 ticks per second.  So, Remainder Ticks does not represent a fraction of the
+current second.  Remainder Ticks (C) can be doubled to derive the hundredths of
+milliseconds elapsed within the current second.

-This availability of the Seconds Count (DEHL) is dependent on having a 
+The availability of the Seconds Count (DEHL) is dependent on having a 
 system timer active.  If the hardware configuration has no system timer,
 then Seconds Count (DEHL) will not increment.

--- a/Source/Doc/UserGuide.md
+++ b/Source/Doc/UserGuide.md
--- a/Source/FZ80/Bank
+++ b/Source/FZ80/Bank
@ -0,0 +1,18 @@
+FPGA Z80 has no real ROM.  It has a single 512K RAM chip.
+
+The ROMless startup mode treats the entire 512KB as RAM.  384KB of RAM 
+must be preloaded by the FPGA Monitor CF Loader.  There will be no ROM 
+disk available under RomWBW.  There will be a RAM Disk and it's initial 
+contents will be seeded by the image loaded by the CF Loader.
+
+Bank		Contents	Description
+--------	--------	-----------
+0x0		BIOS		HBIOS Bank (operating)
+0x1		IMG0		ROM Loader, Monitor, ROM OSes
+0x2		IMG1		ROM Applications
+0x3		IMG2		Reserved
+0x4-0xB		RAMD		RAM Disk Banks
+0xC		BUF		OS Buffers (CP/M3)
+0xD		AUX		Aux Bank (CP/M 3, BPBIOS, etc.)
+0xE		USR		User Bank (CP/M TPA, etc.)
+0xF		COM		Common Bank, Upper 32KB
--- a/Source/FZ80/Build.cmd
+++ b/Source/FZ80/Build.cmd
@ -0,0 +1,24 @@
+@echo off
+setlocal
+
+set TOOLS=../../Tools
+
+set PATH=%TOOLS%\srecord;%PATH%
+
+for %%f in (..\..\Binary\FZ80_*.rom) do call :build %%~nf
+
+goto :eof
+
+: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\%1.rom -binary -offset 0x80000 -o temp.dat -binary
+move temp.dat ..\..\Binary\%1_hd1k_prefix.dat
+
+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
--- a/Source/FZ80/Clean.cmd
+++ b/Source/FZ80/Clean.cmd
@ -0,0 +1,3 @@
+@echo off
+setlocal
+
--- a/Source/FZ80/FZ80
+++ b/Source/FZ80/FZ80
@ -0,0 +1,19 @@
+FZ80 Disk Prefix Layout
+=======================
+
+---- Bytes ----   --- Sectors ---
+Start   Length    Start   Length    Description
+------- -------   ------- -------   ---------------------------
+0x00000 0x001BE   0       1         Unused
+0x001B8 0x00048                     RomWBW Partition Table
+0x00200 0x1EE00   1       7FE00     Unused
+0x80000 0x60000   1024    768       RomWBW
+0x100000          2048              Start of slices (partition 0x1E)
+
+Notes
+-----
+
+- FPGA Z80 Monitor reads 384KB (RomWBW) from sectors 1024-1791 of CF into first 384KB of physical RAM
+- FPGA Z80 ZRC Monitor maps first 32KB of physical RAM to first 32KB of CPU RAM and starts execution at 0x0000
+
+-- WBW 3:18 PM 6/30/2024
--- a/Source/FZ80/Makefile
+++ b/Source/FZ80/Makefile
@ -0,0 +1,25 @@
+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
+
+%_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 $< -binary -offset 0x80000 -o temp.dat -binary
+	mv temp.dat $@
+
+%_hd1k_combo.img: %_hd1k_prefix.dat  $(HD1KIMGS)
+	cat $^ > $@
--- a/Source/FZ80/fz80_ptbl.bin
+++ b/Source/FZ80/fz80_ptbl.bin
--- a/Source/HBIOS/Bank
+++ b/Source/HBIOS/Bank
@ -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
--- a/Source/HBIOS/Build.cmd
+++ b/Source/HBIOS/Build.cmd
@ -204,45 +204,45 @@ goto :eof
 :dist

 call Build SBC std || exit /b
-call Build SBC simh || exit /b
+call Build SBC simh_std || exit /b
 call Build MBC std || exit /b
 call Build ZETA std || exit /b
 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
 call Build DUO std || exit /b
 call Build HEATH std || exit /b
 call Build EPITX std || exit /b
-call Build NABU 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
--- a/Source/HBIOS/Build.ps1
+++ b/Source/HBIOS/Build.ps1
@ -27,8 +27,8 @@ $ErrorAction = 'Stop'
 # UNA BIOS is simply imbedded, it is not built here.
 #

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

 #
--- a/Source/HBIOS/Build.sh
+++ b/Source/HBIOS/Build.sh
@ -11,47 +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="SBC"; ROM_CONFIG="simh_std"; 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="NABU"; 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

--- a/Source/HBIOS/Config/DUO_std.asm
+++ b/Source/HBIOS/Config/DUO_std.asm
@ -1,51 +1,66 @@
 ;
 ;==================================================================================================
-;   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.
 ;
-#DEFINE	BOOT_DEFAULT	"H"		; DEFAULT BOOT LOADER CMD ON <CR> OR AUTO BOOT
+; 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.
 ;
-#include "cfg_duo.asm"
+; 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).
 ;
-CPUOSC		.SET	8000000		; CPU OSC FREQ IN MHZ
-CRTACT		.SET	FALSE		; ACTIVATE CRT (VDU,CVDU,PROPIO,ETC) AT STARTUP
+; 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.
 ;
-INTMODE		.SET	2		; INTERRUPTS: 0=NONE, 1=MODE 1, 2=MODE 2, 3=MODE 3 (Z280)
+; PLEASE REFER TO THE CUSTOM BUILD INSTRUCTIONS (README.TXT) IN THE
+; SOURCE DIRECTORY (TWO DIRECTORIES ABOVE THIS ONE).
 ;
-DMAENABLE	.SET	TRUE		; DMA: ENABLE DMA DRIVER (DMA.ASM)
+; *** 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"
 ;
 BATCOND		.SET	TRUE		; ENABLE LOW BATTERY WARNING MESSAGE
+CPUOSC		.SET	8000000		; CPU OSC FREQ IN MHZ
+INTMODE		.SET	2		; INTERRUPTS: 0=NONE, 1=MODE 1, 2=MODE 2, 3=MODE 3 (Z280)
 ;
-ROMSIZE		.SET	512		; SIZE OF ROM IN KB (MUST MATCH YOUR HARDWARE!!!)
 RAMSIZE		.SET	512		; SIZE OF RAM IN KB (MUST MATCH YOUR HARDWARE!!!)
+ROMSIZE		.SET	512		; SIZE OF ROM IN KB (MUST MATCH YOUR HARDWARE!!!)
 ;
 PCFENABLE	.SET	TRUE		; ENABLE PCF8584 I2C CONTROLLER
 ;
-MDFFENABLE	.SET	FALSE		; MD: ENABLE FLASH FILE SYSTEM
-;
+CRTACT		.SET	FALSE		; ACTIVATE CRT (VDU,CVDU,PROPIO,ETC) AT STARTUP
 UARTINTS	.SET	FALSE		; UART: INCLUDE INTERRUPT SUPPORT UNDER IM1/2/3
-;
-SN76489ENABLE	.SET	FALSE		; SN: ENABLE SN76489 SOUND DRIVER
+MDFFENABLE	.SET	FALSE		; MD: ENABLE FLASH FILE SYSTEM
 ;
 CHENABLE	.SET	TRUE		; CH: ENABLE CH375/376 USB SUPPORT
+ESPENABLE	.SET	FALSE		; ESP: ENABLE ESP32 IO BOARD DRIVER (ESP.ASM)
+SN76489ENABLE	.SET	FALSE		; SN: ENABLE SN76489 SOUND DRIVER
 ;
-ESPENABLE	.SET	FALSE 		; ESP: ENABLE ESP32 IO BOARD DRIVER (ESP.ASM)
+DMAENABLE	.SET	TRUE		; DMA: ENABLE DMA DRIVER (DMA.ASM)
--- a/Source/HBIOS/Config/DYNO_std.asm
+++ b/Source/HBIOS/Config/DYNO_std.asm
@ -1,37 +1,57 @@
 ;
 ;==================================================================================================
-;   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
 ;
 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)
+CRTACT		.SET	FALSE		; ACTIVATE CRT (VDU,CVDU,PROPIO,ETC) AT STARTUP
 ;
 ASCIENABLE	.SET	TRUE		; ASCI: ENABLE Z180 ASCI SERIAL DRIVER (ASCI.ASM)
 ;
--- a/Source/HBIOS/Config/EPITX_std.asm
+++ b/Source/HBIOS/Config/EPITX_std.asm
@ -1,34 +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"
-;
-CRTACT		.SET	TRUE		; ACTIVATE CRT (VDU,CVDU,PROPIO,ETC) AT STARTUP
+#INCLUDE "cfg_EPITX.asm"
 ;
 CPUOSC		.SET	18432000	; CPU OSC FREQ IN MHZ
 ;
@ -36,9 +54,8 @@ 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)
 ;
-HBIOS_MUTEX	.SET	FALSE		; ENABLE REENTRANT CALLS TO HBIOS (ADDS OVERHEAD)
-;
-LEDENABLE	.SET	FALSE		; ENABLE STATUS LED (SINGLE LED)
+LEDENABLE	.SET	FALSE		; ENABLES STATUS LED (SINGLE LED)
+CRTACT		.SET	TRUE		; ACTIVATE CRT (VDU,CVDU,PROPIO,ETC) AT STARTUP
 ;
 DSRTCENABLE	.SET	FALSE		; DSRTC: ENABLE DS-1302 CLOCK DRIVER (DSRTC.ASM)
 INTRTCENABLE	.SET	TRUE		; ENABLE PERIODIC INTERRUPT CLOCK DRIVER (INTRTC.ASM)
@ -50,10 +67,8 @@ SIOENABLE	.SET	FALSE		; SIO: ENABLE ZILOG SIO SERIAL DRIVER (SIO.ASM)
 ;
 TMSENABLE	.SET	TRUE		; TMS: ENABLE TMS9918 VIDEO/KBD DRIVER (TMS.ASM)
 ;
-AY38910ENABLE	.SET	FALSE		; AY: AY-3-8910 / YM2149 SOUND DRIVER
-;
-FDENABLE	.SET	TRUE		; FD: DRIVER MODE: FDMODE_[DIO|ZETA|ZETA2|DIDE|N8|DIO3|RCSMC|RCWDC|DYNO|EPFDC]
-FDMODE		.SET	FDMODE_EPFDC	; FD: DRIVER MODE: FDMODE_[DIO|ZETA|DIDE|N8|DIO3]
+FDENABLE	.SET	TRUE		; FD: ENABLE FLOPPY DISK DRIVER (FD.ASM)
+FDMODE		.SET	FDMODE_EPFDC	; FD: DRIVER MODE: FDMODE_[DIO|ZETA|ZETA2|DIDE|N8|DIO3|RCSMC|RCWDC|DYNO|EPFDC|MBC]
 ;
 IDEENABLE	.SET	FALSE		; IDE: ENABLE IDE DISK DRIVER (IDE.ASM)
 ;
@ -62,3 +77,4 @@ PPIDEENABLE	.SET	FALSE		; PPIDE: ENABLE PARALLEL PORT IDE DISK DRIVER (PPIDE.ASM
 SDENABLE	.SET	TRUE		; SD: ENABLE SD CARD DISK DRIVER (SD.ASM)
 ;
 PRPENABLE	.SET	FALSE		; PRP: ENABLE ECB PROPELLER IO BOARD DRIVER (PRP.ASM)
+AY38910ENABLE	.SET	FALSE		; AY: ENABLE AY-3-8910 / YM2149 SOUND DRIVER
--- a/Source/HBIOS/Config/FZ80_std.asm
+++ b/Source/HBIOS/Config/FZ80_std.asm
@ -0,0 +1,50 @@
+;
+;==================================================================================================
+;   ROMWBW DEFAULT BUILD SETTINGS FOR S100 FPGA Z80
+;==================================================================================================
+;
+; 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	BOOT_DEFAULT	"H"		; DEFAULT BOOT LOADER CMD ON <CR> OR AUTO BOOT
+;
+#INCLUDE "cfg_FZ80.asm"
+;
+CPUOSC		.SET	8000000		; CPU OSC FREQ IN MHZ
+CRTACT		.SET	TRUE		; ACTIVATE CRT (VDU,CVDU,PROPIO,ETC) AT STARTUP
--- a/Source/HBIOS/Config/GMZ180_std.asm
+++ b/Source/HBIOS/Config/GMZ180_std.asm
@ -0,0 +1,90 @@
+;
+;==================================================================================================
+;   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
+;
+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
+FPLED_IO	.SET	$00		; FP: PORT ADDRESS FOR FP LEDS
+LEDENABLE	.SET	FALSE		; ENABLES STATUS LED (SINGLE LED)
+LEDMODE		.SET	LEDMODE_STD	; LEDMODE_[STD|SC|RTC|NABU]
+CRTACT		.SET	FALSE		; ACTIVATE CRT (VDU,CVDU,PROPIO,ETC) AT STARTUP
+VDAEMU_SERKBD	.SET	0		; VDA EMULATION: SERIAL KBD UNIT #, OR $FF FOR HW KBD
+;
+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)
+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)
+EFENABLE	.SET	FALSE		; EF: ENABLE EF9345 VIDEO DRIVER (EF.ASM)
+;
+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|EPFDC|MBC]
+;
+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|PIO|Z80R|EPITX|FZ80|GM]
+SDCNT		.SET	1		; SD: NUMBER OF SD CARD DEVICES (1-2), FOR DSD/SC/MT ONLY
+;
+PRPENABLE	.SET	FALSE		; PRP: ENABLE ECB PROPELLER IO BOARD DRIVER (PRP.ASM)
+SN76489ENABLE	.SET	FALSE		; SN: ENABLE SN76489 SOUND DRIVER
+AY38910ENABLE	.SET	FALSE		; AY: ENABLE AY-3-8910 / YM2149 SOUND DRIVER
+AYMODE		.SET	AYMODE_RCZ180	; AY: DRIVER MODE: AYMODE_[SCG|N8|RCZ80|RCZ180|MSX|LINC|MBC|DUO|NABU]
--- a/Source/HBIOS/Config/HEATH_std.asm
+++ b/Source/HBIOS/Config/HEATH_std.asm
@ -1,69 +1,47 @@
 ;
 ;==================================================================================================
-;   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.
 ;
-#DEFINE	BOOT_DEFAULT	"H"		; DEFAULT BOOT LOADER CMD ON <CR> OR AUTO BOOT
-;
-#include "cfg_rcz80.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
+; 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.
 ;
-FPLED_ENABLE	.SET	TRUE		; FP: ENABLES FRONT PANEL LEDS
-FPSW_ENABLE	.SET	TRUE		; FP: ENABLES FRONT PANEL SWITCHES
+; 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).
 ;
-DSRTCENABLE	.SET	TRUE		; DSRTC: ENABLE DS-1302 CLOCK DRIVER (DSRTC.ASM)
-RP5RTCENABLE	.SET	FALSE		; RP5C01 RTC BASED CLOCK (RP5RTC.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.
 ;
-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)
+; PLEASE REFER TO THE CUSTOM BUILD INSTRUCTIONS (README.TXT) IN THE
+; SOURCE DIRECTORY (TWO DIRECTORIES ABOVE THIS ONE).
 ;
-LPTENABLE	.SET	FALSE		; LPT: ENABLE CENTRONICS PRINTER DRIVER (LPT.ASM)
+; *** 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".
 ;
-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)
+#DEFINE	BOOT_DEFAULT	"H"		; DEFAULT BOOT LOADER CMD ON <CR> OR AUTO BOOT
 ;
-PRPENABLE	.SET	FALSE		; PRP: ENABLE ECB PROPELLER IO BOARD DRIVER (PRP.ASM)
+#INCLUDE "cfg_HEATH.asm"
--- a/Source/HBIOS/Config/MBC_std.asm
+++ b/Source/HBIOS/Config/MBC_std.asm
@ -1,59 +1,75 @@
 ;
 ;==================================================================================================
-;   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.
 ;
-#DEFINE	BOOT_DEFAULT	"H"		; DEFAULT BOOT LOADER CMD ON <CR> OR AUTO BOOT
+; 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.
 ;
-#include "cfg_mbc.asm"
+; 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).
 ;
-CPUOSC		.SET	8000000		; CPU OSC FREQ IN MHZ
-CRTACT		.SET	FALSE		; ACTIVATE CRT (VDU,CVDU,PROPIO,ETC) AT STARTUP
+; 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.
 ;
-INTMODE		.SET	0		; INTERRUPTS: 0=NONE, 1=MODE 1, 2=MODE 2, 3=MODE 3 (Z280)
+; PLEASE REFER TO THE CUSTOM BUILD INSTRUCTIONS (README.TXT) IN THE
+; SOURCE DIRECTORY (TWO DIRECTORIES ABOVE THIS ONE).
 ;
-DMAENABLE	.SET	FALSE		; DMA: ENABLE DMA DRIVER (DMA.ASM)
+; *** 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".
 ;
-BATCOND		.SET	FALSE		; ENABLE LOW BATTERY WARNING MESSAGE
+#DEFINE	BOOT_DEFAULT	"H"		; DEFAULT BOOT LOADER CMD ON <CR> OR AUTO BOOT
+;
+#INCLUDE "cfg_MBC.asm"
 ;
+BATCOND		.SET	FALSE		; ENABLE LOW BATTERY WARNING MESSAGE
 CPUSPDDEF	.SET	SPD_LOW		; CPU SPEED DEFAULT SPD_UNSUP|SPD_HIGH|SPD_LOW
+CPUOSC		.SET	8000000		; CPU OSC FREQ IN MHZ
+INTMODE		.SET	0		; INTERRUPTS: 0=NONE, 1=MODE 1, 2=MODE 2, 3=MODE 3 (Z280)
 ;
-ROMSIZE		.SET	512		; SIZE OF ROM IN KB (MUST MATCH YOUR HARDWARE!!!)
 RAMSIZE		.SET	512		; SIZE OF RAM IN KB (MUST MATCH YOUR HARDWARE!!!)
-;
-MDFFENABLE	.SET	FALSE		; MD: ENABLE FLASH FILE SYSTEM
+ROMSIZE		.SET	512		; SIZE OF ROM IN KB (MUST MATCH YOUR HARDWARE!!!)
 ;
 DSKYENABLE	.SET	TRUE		; ENABLES DSKY FUNCTIONALITY
 ICMENABLE	.SET	FALSE		; ENABLES ORIGINAL DSKY ICM DRIVER (7218)
 PKDENABLE	.SET	TRUE		; ENABLES DSKY NG PKD DRIVER (8259)
 ;
+CRTACT		.SET	FALSE		; ACTIVATE CRT (VDU,CVDU,PROPIO,ETC) AT STARTUP
 UARTINTS	.SET	FALSE		; UART: INCLUDE INTERRUPT SUPPORT UNDER IM1/2/3
 ;
-ESPENABLE	.SET	TRUE		; ESP: ENABLE ESP32 IO BOARD DRIVER (ESP.ASM)
-;
 LPTENABLE	.SET	TRUE		; LPT: ENABLE CENTRONICS PRINTER DRIVER (LPT.ASM)
 ;
 CVDUMON		.SET	CVDUMON_CGA	; CVDU: CVDU MONITOR SETUP: CVDUMON_[NONE|CGA|EGA]
 ;
 FDENABLE	.SET	TRUE		; FD: ENABLE FLOPPY DISK DRIVER (FD.ASM)
+MDFFENABLE	.SET	FALSE		; MD: ENABLE FLASH FILE SYSTEM
 ;
 PPIDEENABLE	.SET	TRUE		; PPIDE: ENABLE PARALLEL PORT IDE DISK DRIVER (PPIDE.ASM)
+;
+ESPENABLE	.SET	TRUE		; ESP: ENABLE ESP32 IO BOARD DRIVER (ESP.ASM)
+;
+DMAENABLE	.SET	FALSE		; DMA: ENABLE DMA DRIVER (DMA.ASM)
--- a/Source/HBIOS/Config/MK4_std.asm
+++ b/Source/HBIOS/Config/MK4_std.asm
@ -1,57 +1,74 @@
 ;
 ;==================================================================================================
-;   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
-CRTACT		.SET	FALSE		; ACTIVATE CRT (VDU,CVDU,PROPIO,ETC) AT STARTUP
+INTMODE		.SET	2		; INTERRUPTS: 0=NONE, 1=MODE 1, 2=MODE 2, 3=MODE 3 (Z280)
 ;
 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)
+CRTACT		.SET	FALSE		; ACTIVATE CRT (VDU,CVDU,PROPIO,ETC) AT STARTUP
+VDAEMU_SERKBD	.SET	0		; VDA EMULATION: SERIAL KBD UNIT #, OR $FF FOR HW KBD
 ;
 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)
 VDUENABLE	.SET	FALSE		; VDU: ENABLE VDU VIDEO/KBD DRIVER (VDU.ASM)
 CVDUENABLE	.SET	TRUE		; CVDU: ENABLE CVDU VIDEO/KBD DRIVER (CVDU.ASM)
+TMSENABLE	.SET	FALSE		; TMS: ENABLE TMS9918 VIDEO/KBD DRIVER (TMS.ASM)
 VGAENABLE	.SET	TRUE		; VGA: ENABLE VGA VIDEO/KBD DRIVER (VGA.ASM)
-VDAEMU_SERKBD	.SET	0		; VDA EMULATION: SERIAL KBD UNIT #, OR $FF FOR HW KBD
 ;
 FDENABLE	.SET	TRUE		; FD: ENABLE FLOPPY DISK DRIVER (FD.ASM)
-FDMODE		.SET	FDMODE_DIDE	; FD: DRIVER MODE: FDMODE_[DIO|ZETA|ZETA2|DIDE|N8|DIO3|RCSMC|RCWDC|DYNO|EPFDC]
+FDMODE		.SET	FDMODE_DIDE	; FD: DRIVER MODE: FDMODE_[DIO|ZETA|ZETA2|DIDE|N8|DIO3|RCSMC|RCWDC|DYNO|EPFDC|MBC]
 ;
 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_MK4	; SD: DRIVER MODE: SDMODE_[JUHA|N8|CSIO|PPI|UART|DSD|MK4|SC]
+SDMODE		.SET	SDMODE_MK4	; SD: DRIVER MODE: SDMODE_[JUHA|N8|CSIO|PPI|UART|DSD|MK4|SC|MT|USR|PIO|Z80R|EPITX|FZ80|GM]
 ;
 PRPENABLE	.SET	TRUE		; PRP: ENABLE ECB PROPELLER IO BOARD DRIVER (PRP.ASM)
--- a/Source/HBIOS/Config/MON_std.asm
+++ b/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
--- a/Source/HBIOS/Config/N8_std.asm
+++ b/Source/HBIOS/Config/N8_std.asm
@ -1,44 +1,65 @@
 ;
 ;==================================================================================================
-;   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
-CRTACT		.SET	FALSE		; ACTIVATE CRT (VDU,CVDU,PROPIO,ETC) AT STARTUP
+INTMODE		.SET	2		; INTERRUPTS: 0=NONE, 1=MODE 1, 2=MODE 2, 3=MODE 3 (Z280)
 ;
 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)
 ;
+CRTACT		.SET	FALSE		; ACTIVATE CRT (VDU,CVDU,PROPIO,ETC) AT STARTUP
 TMSENABLE	.SET	TRUE		; TMS: ENABLE TMS9918 VIDEO/KBD DRIVER (TMS.ASM)
 ;
 FDENABLE	.SET	TRUE		; FD: ENABLE FLOPPY DISK DRIVER (FD.ASM)
 ;
 PPIDEENABLE	.SET	FALSE		; PPIDE: ENABLE PARALLEL PORT IDE DISK DRIVER (PPIDE.ASM)
-SDMODE		.SET	SDMODE_CSIO	; SD: ENABLE SD CARD DISK DRIVER (SD.ASM)
 ;
-AY38910ENABLE	.SET	TRUE		; AY: AY-3-8910 / YM2149 SOUND DRIVER
+SDMODE		.SET	SDMODE_CSIO	; SD: DRIVER MODE: SDMODE_[JUHA|N8|CSIO|PPI|UART|DSD|MK4|SC|MT|USR|PIO|Z80R|EPITX|FZ80|GM]
+;
+AY38910ENABLE	.SET	TRUE		; AY: ENABLE AY-3-8910 / YM2149 SOUND DRIVER
--- a/Source/HBIOS/Config/NABU_std.asm
+++ b/Source/HBIOS/Config/NABU_std.asm
@ -1,32 +1,51 @@
 ;
 ;==================================================================================================
-;   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: ENABLE 80 COLUMN SCREEN, REQUIRES V9958
--- a/Source/HBIOS/Config/RCEZ80_std.asm
+++ b/Source/HBIOS/Config/RCEZ80_std.asm
@ -40,9 +40,10 @@ DUARTENABLE	.SET	FALSE		; DUART: ENABLE 2681/2692 SERIAL DRIVER (DUART.ASM)
 ;
 LPTENABLE	.SET	FALSE		; LPT: ENABLE CENTRONICS PRINTER DRIVER (LPT.ASM)
 ;
-TMSENABLE	.SET	TRUE		; TMS: ENABLE TMS9918 VIDEO/KBD DRIVER (TMS.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)
-TMSMODE		.SET	TMSMODE_MSX9958	; 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)
--- a/Source/HBIOS/Config/RCZ180_ext.asm
+++ b/Source/HBIOS/Config/RCZ180_ext.asm
@ -1,69 +0,0 @@
-;
-;==================================================================================================
-;   RCBUS Z180 STANDARD CONFIGURATION (EXTERNAL MMU ON 512K RAM/ROM BANKED MEMORY MODULE)
-;==================================================================================================
-;
-; 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	BOOT_DEFAULT	"H"		; DEFAULT BOOT LOADER CMD ON <CR> OR AUTO BOOT
-;
-#include "cfg_rcz180.asm"
-;
-CPUOSC		.SET	18432000	; CPU OSC FREQ IN MHZ
-CRTACT		.SET	FALSE		; ACTIVATE CRT (VDU,CVDU,PROPIO,ETC) AT STARTUP
-;
-FPLED_ENABLE	.SET	TRUE		; FP: ENABLES FRONT PANEL LEDS
-FPSW_ENABLE	.SET	TRUE		; FP: ENABLES FRONT PANEL SWITCHES
-;
-MEMMGR		.SET	MM_Z2		; MEMORY MANAGER: MM_[SBC|Z2|N8|Z180]
-;
-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)
-;
-DSRTCENABLE	.SET	TRUE		; DSRTC: ENABLE DS-1302 CLOCK DRIVER (DSRTC.ASM)
-INTRTCENABLE	.SET	TRUE		; ENABLE PERIODIC INTERRUPT CLOCK DRIVER (INTRTC.ASM)
-;
-UARTENABLE	.SET	TRUE		; 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	TRUE		; SIO: ENABLE ZILOG SIO SERIAL DRIVER (SIO.ASM)
-;
-TMSENABLE	.SET	FALSE		; TMS: ENABLE TMS9918 VIDEO/KBD DRIVER (TMS.ASM)
-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
-;
-;
-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	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)
-SDCNT		.SET	1		; SD: NUMBER OF SD CARD DEVICES (1-2), FOR DSD/SC/MT SC ONLY
-;
-PRPENABLE	.SET	FALSE		; PRP: ENABLE ECB PROPELLER IO BOARD DRIVER (PRP.ASM)
--- a/Source/HBIOS/Config/RCZ180_ext_std.asm
+++ b/Source/HBIOS/Config/RCZ180_ext_std.asm
@ -0,0 +1,88 @@
+;
+;==================================================================================================
+;   ROMWBW DEFAULT BUILD SETTINGS FOR RCBUS Z180 W/ EXTERNAL Z2 MMU
+;==================================================================================================
+;
+; 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	BOOT_DEFAULT	"H"		; DEFAULT BOOT LOADER CMD ON <CR> OR AUTO BOOT
+;
+#INCLUDE "cfg_RCZ180.asm"
+;
+CPUOSC		.SET	18432000	; CPU OSC FREQ IN MHZ
+;
+MEMMGR		.SET	MM_Z2		; MEMORY MANAGER: MM_[SBC|Z2|N8|Z180|Z280|MBC|RPH|MON]
+;
+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	TRUE		; FP: ENABLES FRONT PANEL LEDS
+FPSW_ENABLE	.SET	TRUE		; FP: ENABLES FRONT PANEL SWITCHES
+CRTACT		.SET	FALSE		; ACTIVATE CRT (VDU,CVDU,PROPIO,ETC) AT STARTUP
+VDAEMU_SERKBD	.SET	0		; VDA EMULATION: SERIAL KBD UNIT #, OR $FF FOR HW KBD
+;
+DSRTCENABLE	.SET	TRUE		; DSRTC: ENABLE DS-1302 CLOCK DRIVER (DSRTC.ASM)
+INTRTCENABLE	.SET	TRUE		; ENABLE PERIODIC INTERRUPT CLOCK DRIVER (INTRTC.ASM)
+;
+UARTENABLE	.SET	TRUE		; 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	TRUE		; SIO: ENABLE ZILOG SIO SERIAL DRIVER (SIO.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
+VRCENABLE	.SET	FALSE		; VRC: ENABLE VGARC VIDEO/KBD DRIVER (VRC.ASM)
+EFENABLE	.SET	FALSE		; EF: ENABLE EF9345 VIDEO DRIVER (EF.ASM)
+;
+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|MBC]
+;
+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)
+SDCNT		.SET	1		; SD: NUMBER OF SD CARD DEVICES (1-2), FOR DSD/SC/MT ONLY
+;
+PRPENABLE	.SET	FALSE		; PRP: ENABLE ECB PROPELLER IO BOARD DRIVER (PRP.ASM)
+SN76489ENABLE	.SET	FALSE		; SN: ENABLE SN76489 SOUND DRIVER
+AY38910ENABLE	.SET	FALSE		; AY: ENABLE AY-3-8910 / YM2149 SOUND DRIVER
+AYMODE		.SET	AYMODE_RCZ180	; AY: DRIVER MODE: AYMODE_[SCG|N8|RCZ80|RCZ180|MSX|LINC|MBC|DUO|NABU]
--- a/Source/HBIOS/Config/RCZ180_nat.asm
+++ b/Source/HBIOS/Config/RCZ180_nat.asm
@ -1,68 +0,0 @@
-;
-;==================================================================================================
-;   RCBUS Z180 STANDARD CONFIGURATION (NATIVE Z180 MMU W/ LINEAR MEMORY MODULE)
-;==================================================================================================
-;
-; 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	BOOT_DEFAULT	"H"		; DEFAULT BOOT LOADER CMD ON <CR> OR AUTO BOOT
-;
-#include "cfg_rcz180.asm"
-;
-CPUOSC		.SET	18432000	; CPU OSC FREQ IN MHZ
-CRTACT		.SET	FALSE		; ACTIVATE CRT (VDU,CVDU,PROPIO,ETC) AT STARTUP
-;
-FPLED_ENABLE	.SET	TRUE		; FP: ENABLES FRONT PANEL LEDS
-FPSW_ENABLE	.SET	TRUE		; FP: ENABLES FRONT PANEL SWITCHES
-;
-MEMMGR		.SET	MM_Z180		; MEMORY MANAGER: MM_[SBC|Z2|N8|Z180]
-;
-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)
-;
-DSRTCENABLE	.SET	TRUE		; DSRTC: ENABLE DS-1302 CLOCK DRIVER (DSRTC.ASM)
-INTRTCENABLE	.SET	TRUE		; ENABLE PERIODIC INTERRUPT CLOCK DRIVER (INTRTC.ASM)
-;
-UARTENABLE	.SET	TRUE		; 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	TRUE		; SIO: ENABLE ZILOG SIO SERIAL DRIVER (SIO.ASM)
-;
-TMSENABLE	.SET	FALSE		; TMS: ENABLE TMS9918 VIDEO/KBD DRIVER (TMS.ASM)
-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
-;
-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	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)
-SDCNT		.SET	1		; SD: NUMBER OF SD CARD DEVICES (1-2), FOR DSD/SC/MT SC ONLY
-;
-PRPENABLE	.SET	FALSE		; PRP: ENABLE ECB PROPELLER IO BOARD DRIVER (PRP.ASM)
--- a/Source/HBIOS/Config/RCZ180_nat_std.asm
+++ b/Source/HBIOS/Config/RCZ180_nat_std.asm
@ -0,0 +1,88 @@
+;
+;==================================================================================================
+;   ROMWBW DEFAULT BUILD SETTINGS FOR RCBUS Z180 W/ NATIVE Z180 MMU
+;==================================================================================================
+;
+; 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	BOOT_DEFAULT	"H"		; DEFAULT BOOT LOADER CMD ON <CR> OR AUTO BOOT
+;
+#INCLUDE "cfg_RCZ180.asm"
+;
+CPUOSC		.SET	18432000	; CPU OSC FREQ IN MHZ
+;
+MEMMGR		.SET	MM_Z180		; MEMORY MANAGER: MM_[SBC|Z2|N8|Z180|Z280|MBC|RPH|MON]
+;
+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	TRUE		; FP: ENABLES FRONT PANEL LEDS
+FPSW_ENABLE	.SET	TRUE		; FP: ENABLES FRONT PANEL SWITCHES
+CRTACT		.SET	FALSE		; ACTIVATE CRT (VDU,CVDU,PROPIO,ETC) AT STARTUP
+VDAEMU_SERKBD	.SET	0		; VDA EMULATION: SERIAL KBD UNIT #, OR $FF FOR HW KBD
+;
+DSRTCENABLE	.SET	TRUE		; DSRTC: ENABLE DS-1302 CLOCK DRIVER (DSRTC.ASM)
+INTRTCENABLE	.SET	TRUE		; ENABLE PERIODIC INTERRUPT CLOCK DRIVER (INTRTC.ASM)
+;
+UARTENABLE	.SET	TRUE		; 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	TRUE		; SIO: ENABLE ZILOG SIO SERIAL DRIVER (SIO.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
+VRCENABLE	.SET	FALSE		; VRC: ENABLE VGARC VIDEO/KBD DRIVER (VRC.ASM)
+EFENABLE	.SET	FALSE		; EF: ENABLE EF9345 VIDEO DRIVER (EF.ASM)
+;
+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|MBC]]
+;
+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)
+SDCNT		.SET	1		; SD: NUMBER OF SD CARD DEVICES (1-2), FOR DSD/SC/MT ONLY
+;
+PRPENABLE	.SET	FALSE		; PRP: ENABLE ECB PROPELLER IO BOARD DRIVER (PRP.ASM)
+SN76489ENABLE	.SET	FALSE		; SN: ENABLE SN76489 SOUND DRIVER
+AY38910ENABLE	.SET	FALSE		; AY: ENABLE AY-3-8910 / YM2149 SOUND DRIVER
+AYMODE		.SET	AYMODE_RCZ180	; AY: DRIVER MODE: AYMODE_[SCG|N8|RCZ80|RCZ180|MSX|LINC|MBC|DUO|NABU]
--- a/Source/HBIOS/Config/RCZ180_z1rcc_std.asm
+++ b/Source/HBIOS/Config/RCZ180_z1rcc_std.asm
@ -1,50 +1,67 @@
 ;
 ;==================================================================================================
-;   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
-;
-FPLED_ENABLE	.SET	TRUE		; FP: ENABLES FRONT PANEL LEDS
-FPSW_ENABLE	.SET	TRUE		; FP: ENABLES FRONT PANEL SWITCHES
-;
-MEMMGR		.SET	MM_Z180		; MEMORY MANAGER: MM_[SBC|Z2|N8|Z180]
 ;
 RAMSIZE		.SET	512		; SIZE OF RAM IN KB (MUST MATCH YOUR HARDWARE!!!)
 ROMSIZE		.SET	0		; SIZE OF ROM IN KB (MUST MATCH YOUR HARDWARE!!!)
+MEMMGR		.SET	MM_Z180		; MEMORY MANAGER: MM_[SBC|Z2|N8|Z180|Z280|MBC|RPH|MON]
 ;
 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)
 ;
-MDROM		.SET	FALSE		; MD: ENABLE ROM DISK
-MDRAM		.SET	TRUE		; MD: ENABLE RAM DISK
+FPLED_ENABLE	.SET	TRUE		; FP: ENABLES FRONT PANEL LEDS
+FPSW_ENABLE	.SET	TRUE		; FP: ENABLES FRONT PANEL SWITCHES
+CRTACT		.SET	FALSE		; ACTIVATE CRT (VDU,CVDU,PROPIO,ETC) AT STARTUP
+VDAEMU_SERKBD	.SET	0		; VDA EMULATION: SERIAL KBD UNIT #, OR $FF FOR HW KBD
 ;
 DSRTCENABLE	.SET	TRUE		; DSRTC: ENABLE DS-1302 CLOCK DRIVER (DSRTC.ASM)
 INTRTCENABLE	.SET	TRUE		; ENABLE PERIODIC INTERRUPT CLOCK DRIVER (INTRTC.ASM)
@ -55,23 +72,25 @@ ACIAENABLE	.SET	FALSE		; ACIA: ENABLE MOTOROLA 6850 ACIA DRIVER (ACIA.ASM)
 SIOENABLE	.SET	TRUE		; SIO: ENABLE ZILOG SIO SERIAL DRIVER (SIO.ASM)
 ;
 TMSENABLE	.SET	FALSE		; TMS: ENABLE TMS9918 VIDEO/KBD DRIVER (TMS.ASM)
-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)
+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
 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
-;
 ;
-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
+MDROM		.SET	FALSE		; MD: ENABLE ROM DISK
+MDRAM		.SET	TRUE		; MD: ENABLE RAM DISK
 ;
 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]
+FDMODE		.SET	FDMODE_RCWDC	; FD: DRIVER MODE: FDMODE_[DIO|ZETA|ZETA2|DIDE|N8|DIO3|RCSMC|RCWDC|DYNO|EPFDC|MBC]
 ;
 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)
-SDCNT		.SET	1		; SD: NUMBER OF SD CARD DEVICES (1-2), FOR DSD/SC/MT SC ONLY
+SDCNT		.SET	1		; SD: NUMBER OF SD CARD DEVICES (1-2), FOR DSD/SC/MT ONLY
 ;
 PRPENABLE	.SET	FALSE		; PRP: ENABLE ECB PROPELLER IO BOARD DRIVER (PRP.ASM)
+SN76489ENABLE	.SET	FALSE		; SN: ENABLE SN76489 SOUND DRIVER
+AY38910ENABLE	.SET	FALSE		; AY: ENABLE AY-3-8910 / YM2149 SOUND DRIVER
+AYMODE		.SET	AYMODE_RCZ180	; AY: DRIVER MODE: AYMODE_[SCG|N8|RCZ80|RCZ180|MSX|LINC|MBC|DUO|NABU]
--- a/Source/HBIOS/Config/RCZ280_ext.asm
+++ b/Source/HBIOS/Config/RCZ280_ext.asm
@ -1,67 +0,0 @@
-;
-;==================================================================================================
-;   RCBUS Z280 STANDARD CONFIGURATION (EXTERNAL MMU ON 512K RAM/ROM BANKED MEMORY MODULE)
-;==================================================================================================
-;
-; 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	BOOT_DEFAULT	"H"		; DEFAULT BOOT LOADER CMD ON <CR> OR AUTO BOOT
-;
-#include "cfg_rcz280.asm"
-;
-CPUOSC		.SET	24000000	; CPU OSC FREQ IN MHZ
-INTMODE		.SET	1		; INTERRUPTS: 0=NONE, 1=MODE 1, 2=MODE 2
-CRTACT		.SET	FALSE		; ACTIVATE CRT (VDU,CVDU,PROPIO,ETC) AT STARTUP
-;
-FPLED_ENABLE	.SET	TRUE		; FP: ENABLES FRONT PANEL LEDS
-FPSW_ENABLE	.SET	TRUE		; FP: ENABLES FRONT PANEL SWITCHES
-;
-MEMMGR		.SET	MM_Z2		; MEMORY MANAGER: MM_[SBC|Z2|N8|Z180]
-;
-Z280_MEMLOWAIT	.SET	0		; Z280: LOW 8MB MEMORY WAIT STATES (0-3)
-Z280_MEMHIWAIT	.SET	0		; Z280: HIGH 8MB MEMORY WAIT STATES (0-3)
-Z280_IOWAIT	.SET	1		; Z280: I/O WAIT STATES TO ADD ABOVE 1 W/S BUILT-IN (0-3)
-Z280_INTWAIT	.SET	0		; Z280: INT ACK WAIT STATUS (0-3)
-;
-Z2UENABLE	.SET	TRUE		; Z2U: ENABLE Z280 UART SERIAL DRIVER (Z2U.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)
-;
-TMSENABLE	.SET	FALSE		; TMS: ENABLE TMS9918 VIDEO/KBD DRIVER (TMS.ASM)
-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
-;
-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)
-SDCNT		.SET	1		; SD: NUMBER OF SD CARD DEVICES (1-2), FOR DSD/SC/MT SC ONLY
-;
-PRPENABLE	.SET	FALSE		; PRP: ENABLE ECB PROPELLER IO BOARD DRIVER (PRP.ASM)
--- a/Source/HBIOS/Config/RCZ280_ext_std.asm
+++ b/Source/HBIOS/Config/RCZ280_ext_std.asm
@ -0,0 +1,87 @@
+;
+;==================================================================================================
+;   ROMWBW DEFAULT BUILD SETTINGS FOR RCBUS Z280 W/ EXTERNAL Z2 MMU
+;==================================================================================================
+;
+; 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	BOOT_DEFAULT	"H"		; DEFAULT BOOT LOADER CMD ON <CR> OR AUTO BOOT
+;
+#INCLUDE "cfg_RCZ280.asm"
+;
+CPUOSC		.SET	24000000	; CPU OSC FREQ IN MHZ
+INTMODE		.SET	1		; INTERRUPTS: 0=NONE, 1=MODE 1, 2=MODE 2, 3=MODE 3 (Z280)
+;
+MEMMGR		.SET	MM_Z2		; MEMORY MANAGER: MM_[SBC|Z2|N8|Z180|Z280|MBC|RPH|MON]
+;
+Z280_MEMLOWAIT	.SET	0		; Z280: LOW 8MB MEMORY WAIT STATES (0-3)
+Z280_MEMHIWAIT	.SET	0		; Z280: HIGH 8MB MEMORY WAIT STATES (0-3)
+Z280_IOWAIT	.SET	1		; Z280: I/O WAIT STATES TO ADD ABOVE 1 W/S BUILT-IN (0-3)
+Z280_INTWAIT	.SET	0		; Z280: INT ACK WAIT STATUS (0-3)
+FPLED_ENABLE	.SET	TRUE		; FP: ENABLES FRONT PANEL LEDS
+FPSW_ENABLE	.SET	TRUE		; FP: ENABLES FRONT PANEL SWITCHES
+CRTACT		.SET	FALSE		; ACTIVATE CRT (VDU,CVDU,PROPIO,ETC) AT STARTUP
+VDAEMU_SERKBD	.SET	0		; VDA EMULATION: SERIAL KBD UNIT #, OR $FF FOR HW KBD
+;
+UARTENABLE	.SET	TRUE		; UART: ENABLE 8250/16550-LIKE SERIAL DRIVER (UART.ASM)
+Z2UENABLE	.SET	TRUE		; Z2U: ENABLE Z280 UART SERIAL DRIVER (Z2U.ASM)
+ACIAENABLE	.SET	TRUE		; ACIA: ENABLE MOTOROLA 6850 ACIA DRIVER (ACIA.ASM)
+SIOENABLE	.SET	TRUE		; SIO: ENABLE ZILOG SIO SERIAL DRIVER (SIO.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
+VRCENABLE	.SET	FALSE		; VRC: ENABLE VGARC VIDEO/KBD DRIVER (VRC.ASM)
+EFENABLE	.SET	FALSE		; EF: ENABLE EF9345 VIDEO DRIVER (EF.ASM)
+;
+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|MBC]
+;
+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)
+SDCNT		.SET	1		; SD: NUMBER OF SD CARD DEVICES (1-2), FOR DSD/SC/MT ONLY
+;
+PRPENABLE	.SET	FALSE		; PRP: ENABLE ECB PROPELLER IO BOARD DRIVER (PRP.ASM)
+SN76489ENABLE	.SET	FALSE		; SN: ENABLE SN76489 SOUND DRIVER
+AY38910ENABLE	.SET	FALSE		; AY: ENABLE AY-3-8910 / YM2149 SOUND DRIVER
+AYMODE		.SET	AYMODE_RCZ80	; AY: DRIVER MODE: AYMODE_[SCG|N8|RCZ80|RCZ180|MSX|LINC|MBC|DUO|NABU]
--- a/Source/HBIOS/Config/RCZ280_nat.asm
+++ b/Source/HBIOS/Config/RCZ280_nat.asm
@ -1,67 +0,0 @@
-;
-;==================================================================================================
-;   RCBUS Z280 STANDARD CONFIGURATION (NATIVE Z280 MMU W/ LINEAR MEMORY)
-;==================================================================================================
-;
-; 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	BOOT_DEFAULT	"H"		; DEFAULT BOOT LOADER CMD ON <CR> OR AUTO BOOT
-;
-#include "cfg_rcz280.asm"
-;
-CPUOSC		.SET	24000000	; CPU OSC FREQ IN MHZ
-INTMODE		.SET	3		; INTERRUPTS: 0=NONE, 1=MODE 1, 2=MODE 2
-CRTACT		.SET	FALSE		; ACTIVATE CRT (VDU,CVDU,PROPIO,ETC) AT STARTUP
-;
-FPLED_ENABLE	.SET	TRUE		; FP: ENABLES FRONT PANEL LEDS
-FPSW_ENABLE	.SET	TRUE		; FP: ENABLES FRONT PANEL SWITCHES
-;
-MEMMGR		.SET	MM_Z280		; MEMORY MANAGER: MM_[SBC|Z2|N8|Z180|Z280]
-;
-Z280_MEMLOWAIT	.SET	0		; Z280: LOW 8MB MEMORY WAIT STATES (0-3)
-Z280_MEMHIWAIT	.SET	0		; Z280: HIGH 8MB MEMORY WAIT STATES (0-3)
-Z280_IOWAIT	.SET	1		; Z280: I/O WAIT STATES TO ADD ABOVE 1 W/S BUILT-IN (0-3)
-Z280_INTWAIT	.SET	0		; Z280: INT ACK WAIT STATUS (0-3)
-;
-Z2UENABLE	.SET	TRUE		; Z2U: ENABLE Z280 UART SERIAL DRIVER (Z2U.ASM)
-UARTENABLE	.SET	TRUE		; UART: ENABLE 8250/16550-LIKE SERIAL DRIVER (UART.ASM)
-ACIAENABLE	.SET	FALSE		; ACIA: ENABLE MOTOROLA 6850 ACIA DRIVER (ACIA.ASM)
-SIOENABLE	.SET	TRUE		; SIO: ENABLE ZILOG SIO SERIAL DRIVER (SIO.ASM)
-;
-TMSENABLE	.SET	FALSE		; TMS: ENABLE TMS9918 VIDEO/KBD DRIVER (TMS.ASM)
-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
-;
-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)
-SDCNT		.SET	1		; SD: NUMBER OF SD CARD DEVICES (1-2), FOR DSD/SC/MT SC ONLY
-;
-PRPENABLE	.SET	FALSE		; PRP: ENABLE ECB PROPELLER IO BOARD DRIVER (PRP.ASM)
--- a/Source/HBIOS/Config/RCZ280_nat_std.asm
+++ b/Source/HBIOS/Config/RCZ280_nat_std.asm
@ -0,0 +1,88 @@
+;
+;==================================================================================================
+;   ROMWBW DEFAULT BUILD SETTINGS FOR RCBUS Z280 W/ NATIVE Z280 MMU
+;==================================================================================================
+;
+; 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	BOOT_DEFAULT	"H"		; DEFAULT BOOT LOADER CMD ON <CR> OR AUTO BOOT
+;
+#INCLUDE "cfg_RCZ280.asm"
+;
+CPUOSC		.SET	24000000	; CPU OSC FREQ IN MHZ
+INTMODE		.SET	3		; INTERRUPTS: 0=NONE, 1=MODE 1, 2=MODE 2, 3=MODE 3 (Z280)
+;
+MEMMGR		.SET	MM_Z280		; MEMORY MANAGER: MM_[SBC|Z2|N8|Z180|Z280|MBC|RPH|MON]
+;
+Z280_MEMLOWAIT	.SET	0		; Z280: LOW 8MB MEMORY WAIT STATES (0-3)
+Z280_MEMHIWAIT	.SET	0		; Z280: HIGH 8MB MEMORY WAIT STATES (0-3)
+Z280_IOWAIT	.SET	1		; Z280: I/O WAIT STATES TO ADD ABOVE 1 W/S BUILT-IN (0-3)
+Z280_INTWAIT	.SET	0		; Z280: INT ACK WAIT STATUS (0-3)
+FPLED_ENABLE	.SET	TRUE		; FP: ENABLES FRONT PANEL LEDS
+FPSW_ENABLE	.SET	TRUE		; FP: ENABLES FRONT PANEL SWITCHES
+CRTACT		.SET	FALSE		; ACTIVATE CRT (VDU,CVDU,PROPIO,ETC) AT STARTUP
+VDAEMU_SERKBD	.SET	0		; VDA EMULATION: SERIAL KBD UNIT #, OR $FF FOR HW KBD
+;
+;
+UARTENABLE	.SET	TRUE		; UART: ENABLE 8250/16550-LIKE SERIAL DRIVER (UART.ASM)
+Z2UENABLE	.SET	TRUE		; 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)
+;
+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
+VRCENABLE	.SET	FALSE		; VRC: ENABLE VGARC VIDEO/KBD DRIVER (VRC.ASM)
+EFENABLE	.SET	FALSE		; EF: ENABLE EF9345 VIDEO DRIVER (EF.ASM)
+;
+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|MBC]
+;
+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)
+SDCNT		.SET	1		; SD: NUMBER OF SD CARD DEVICES (1-2), FOR DSD/SC/MT SC ONLY
+;
+PRPENABLE	.SET	FALSE		; PRP: ENABLE ECB PROPELLER IO BOARD DRIVER (PRP.ASM)
+SN76489ENABLE	.SET	FALSE		; SN: ENABLE SN76489 SOUND DRIVER
+AY38910ENABLE	.SET	FALSE		; AY: ENABLE AY-3-8910 / YM2149 SOUND DRIVER
+AYMODE		.SET	AYMODE_RCZ80	; AY: DRIVER MODE: AYMODE_[SCG|N8|RCZ80|RCZ180|MSX|LINC|MBC|DUO|NABU]
--- a/Source/HBIOS/Config/RCZ280_zz80mb.asm
+++ b/Source/HBIOS/Config/RCZ280_zz80mb.asm
@ -1,72 +0,0 @@
-;
-;==================================================================================================
-;   RCBUS Z280 STANDARD CONFIGURATION (NATIVE Z280 MMU W/ LINEAR MEMORY ON ZZ80MB)
-;==================================================================================================
-;
-; 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 "ZZ80MB", " [", CONFIG, "]"
-;
-#DEFINE	BOOT_DEFAULT	"H"		; DEFAULT BOOT LOADER CMD ON <CR> OR AUTO BOOT
-;
-#include "cfg_rcz280.asm"
-;
-CPUOSC		.SET	24000000	; CPU OSC FREQ IN MHZ
-INTMODE		.SET	3		; INTERRUPTS: 0=NONE, 1=MODE 1, 2=MODE 2
-CRTACT		.SET	FALSE		; ACTIVATE CRT (VDU,CVDU,PROPIO,ETC) AT STARTUP
-;
-FPLED_ENABLE	.SET	TRUE		; FP: ENABLES FRONT PANEL LEDS
-FPSW_ENABLE	.SET	TRUE		; FP: ENABLES FRONT PANEL SWITCHES
-;
-MEMMGR		.SET	MM_Z280		; MEMORY MANAGER: MM_[SBC|Z2|N8|Z180|Z280]
-;
-RAMBIAS		.SET	8192		; OFFSET OF START OF RAM IN PHYSICAL ADDRESS SPACE
-;
-Z280_MEMLOWAIT	.SET	0		; Z280: LOW 8MB MEMORY WAIT STATES (0-3)
-Z280_MEMHIWAIT	.SET	0		; Z280: HIGH 8MB MEMORY WAIT STATES (0-3)
-Z280_IOWAIT	.SET	1		; Z280: I/O WAIT STATES TO ADD ABOVE 1 W/S BUILT-IN (0-3)
-Z280_INTWAIT	.SET	0		; Z280: INT ACK WAIT STATUS (0-3)
-;
-Z2UENABLE	.SET	TRUE		; Z2U: ENABLE Z280 UART SERIAL DRIVER (Z2U.ASM)
-Z2U0HFC		.SET	TRUE		; Z2U 0: ENABLE HARDWARE FLOW CONTROL
-UARTENABLE	.SET	TRUE		; UART: ENABLE 8250/16550-LIKE SERIAL DRIVER (UART.ASM)
-ACIAENABLE	.SET	FALSE		; ACIA: ENABLE MOTOROLA 6850 ACIA DRIVER (ACIA.ASM)
-SIOENABLE	.SET	TRUE		; SIO: ENABLE ZILOG SIO SERIAL DRIVER (SIO.ASM)
-;
-TMSENABLE	.SET	FALSE		; TMS: ENABLE TMS9918 VIDEO/KBD DRIVER (TMS.ASM)
-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	TRUE		; VRC: ENABLE VGARC VIDEO/KBD DRIVER (VRC.ASM)
-EFENABLE	.SET	FALSE		; EF: ENABLE EF9345 VIDEO DRIVER (EF.ASM)
-VDAEMU_SERKBD	.SET	$FF		; 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)
-SDCNT		.SET	1		; SD: NUMBER OF SD CARD DEVICES (1-2), FOR DSD/SC/MT SC ONLY
-;
-PRPENABLE	.SET	FALSE		; PRP: ENABLE ECB PROPELLER IO BOARD DRIVER (PRP.ASM)
--- a/Source/HBIOS/Config/RCZ280_zz80mb_std.asm
+++ b/Source/HBIOS/Config/RCZ280_zz80mb_std.asm
@ -0,0 +1,91 @@
+;
+;==================================================================================================
+;   ROMWBW DEFAULT BUILD SETTINGS FOR RCBUS ZZ80MB Z280 W/ NATIVE Z280 MMU
+;==================================================================================================
+;
+; 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 "ZZ80MB", " [", CONFIG, "]"
+;
+#DEFINE	BOOT_DEFAULT	"H"		; DEFAULT BOOT LOADER CMD ON <CR> OR AUTO BOOT
+;
+#INCLUDE "cfg_RCZ280.asm"
+;
+CPUOSC		.SET	24000000	; CPU OSC FREQ IN MHZ
+INTMODE		.SET	3		; INTERRUPTS: 0=NONE, 1=MODE 1, 2=MODE 2, 3=MODE 3 (Z280)
+;
+MEMMGR		.SET	MM_Z280		; MEMORY MANAGER: MM_[SBC|Z2|N8|Z180|Z280|MBC|RPH|MON]
+RAMBIAS		.SET	8192		; OFFSET OF START OF RAM IN PHYSICAL ADDRESS SPACE
+;
+Z280_MEMLOWAIT	.SET	0		; Z280: LOW 8MB MEMORY WAIT STATES (0-3)
+Z280_MEMHIWAIT	.SET	0		; Z280: HIGH 8MB MEMORY WAIT STATES (0-3)
+Z280_IOWAIT	.SET	1		; Z280: I/O WAIT STATES TO ADD ABOVE 1 W/S BUILT-IN (0-3)
+Z280_INTWAIT	.SET	0		; Z280: INT ACK WAIT STATUS (0-3)
+FPLED_ENABLE	.SET	TRUE		; FP: ENABLES FRONT PANEL LEDS
+FPSW_ENABLE	.SET	TRUE		; FP: ENABLES FRONT PANEL SWITCHES
+CRTACT		.SET	FALSE		; ACTIVATE CRT (VDU,CVDU,PROPIO,ETC) AT STARTUP
+VDAEMU_SERKBD	.SET	$FF		; VDA EMULATION: SERIAL KBD UNIT #, OR $FF FOR HW KBD
+;
+UARTENABLE	.SET	TRUE		; UART: ENABLE 8250/16550-LIKE SERIAL DRIVER (UART.ASM)
+Z2UENABLE	.SET	TRUE		; Z2U: ENABLE Z280 UART SERIAL DRIVER (Z2U.ASM)
+Z2U0HFC		.SET	TRUE		; Z2U 0: ENABLE HARDWARE FLOW CONTROL
+ACIAENABLE	.SET	FALSE		; ACIA: ENABLE MOTOROLA 6850 ACIA DRIVER (ACIA.ASM)
+SIOENABLE	.SET	TRUE		; SIO: ENABLE ZILOG SIO SERIAL DRIVER (SIO.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
+VRCENABLE	.SET	TRUE		; VRC: ENABLE VGARC VIDEO/KBD DRIVER (VRC.ASM)
+EFENABLE	.SET	FALSE		; EF: ENABLE EF9345 VIDEO DRIVER (EF.ASM)
+;
+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|MBC]
+;
+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)
+SDCNT		.SET	1		; SD: NUMBER OF SD CARD DEVICES (1-2), FOR DSD/SC/MT ONLY
+;
+PRPENABLE	.SET	FALSE		; PRP: ENABLE ECB PROPELLER IO BOARD DRIVER (PRP.ASM)
+SN76489ENABLE	.SET	FALSE		; SN: ENABLE SN76489 SOUND DRIVER
+AY38910ENABLE	.SET	FALSE		; AY: ENABLE AY-3-8910 / YM2149 SOUND DRIVER
+AYMODE		.SET	AYMODE_RCZ80	; AY: DRIVER MODE: AYMODE_[SCG|N8|RCZ80|RCZ180|MSX|LINC|MBC|DUO|NABU]
--- a/Source/HBIOS/Config/RCZ280_zzrcc_ram_std.asm
+++ b/Source/HBIOS/Config/RCZ280_zzrcc_ram_std.asm
@ -1,44 +1,60 @@
 ;
 ;==================================================================================================
-;   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
-CRTACT		.SET	FALSE		; ACTIVATE CRT (VDU,CVDU,PROPIO,ETC) AT STARTUP
-;
-FPLED_ENABLE	.SET	TRUE		; FP: ENABLES FRONT PANEL LEDS
-FPSW_ENABLE	.SET	TRUE		; FP: ENABLES FRONT PANEL SWITCHES
-;
-MEMMGR		.SET	MM_Z280		; MEMORY MANAGER: MM_[SBC|Z2|N8|Z180|Z280]
+INTMODE		.SET	3		; INTERRUPTS: 0=NONE, 1=MODE 1, 2=MODE 2, 3=MODE 3 (Z280)
 ;
 RAMSIZE		.SET	512		; SIZE OF RAM IN KB (MUST MATCH YOUR HARDWARE!!!)
 ROMSIZE		.SET	0		; SIZE OF ROM IN KB (MUST MATCH YOUR HARDWARE!!!)
+MEMMGR		.SET	MM_Z280		; MEMORY MANAGER: MM_[SBC|Z2|N8|Z180|Z280|MBC|RPH|MON]
+;
 RAMBIAS		.SET	ROMSIZE		; OFFSET OF START OF RAM IN PHYSICAL ADDRESS SPACE
 ;
 Z280_MEMLOWAIT	.SET	0		; Z280: LOW 8MB MEMORY WAIT STATES (0-3)
@ -46,33 +62,38 @@ Z280_MEMHIWAIT	.SET	0		; Z280: HIGH 8MB MEMORY WAIT STATES (0-3)
 Z280_IOWAIT	.SET	1		; Z280: I/O WAIT STATES TO ADD ABOVE 1 W/S BUILT-IN (0-3)
 Z280_INTWAIT	.SET	0		; Z280: INT ACK WAIT STATUS (0-3)
 ;
-MDROM		.SET	FALSE		; MD: ENABLE ROM DISK
-MDRAM		.SET	TRUE		; MD: ENABLE RAM DISK
+FPLED_ENABLE	.SET	TRUE		; FP: ENABLES FRONT PANEL LEDS
+FPSW_ENABLE	.SET	TRUE		; FP: ENABLES FRONT PANEL SWITCHES
+CRTACT		.SET	FALSE		; ACTIVATE CRT (VDU,CVDU,PROPIO,ETC) AT STARTUP
+VDAEMU_SERKBD	.SET	$FF		; VDA EMULATION: SERIAL KBD UNIT #, OR $FF FOR HW KBD
 ;
+UARTENABLE	.SET	TRUE		; UART: ENABLE 8250/16550-LIKE SERIAL DRIVER (UART.ASM)
 Z2UENABLE	.SET	TRUE		; Z2U: ENABLE Z280 UART SERIAL DRIVER (Z2U.ASM)
 Z2UOSC		.SET	(CPUOSC / 16)	; Z2U: OSC FREQUENCY IN MHZ
 Z2U0HFC		.SET	TRUE		; Z2U0: ENABLE HARDWARE FLOW CONTROL
-UARTENABLE	.SET	TRUE		; UART: ENABLE 8250/16550-LIKE SERIAL DRIVER (UART.ASM)
 ACIAENABLE	.SET	FALSE		; ACIA: ENABLE MOTOROLA 6850 ACIA DRIVER (ACIA.ASM)
 SIOENABLE	.SET	TRUE		; SIO: ENABLE ZILOG SIO SERIAL DRIVER (SIO.ASM)
 ;
 TMSENABLE	.SET	FALSE		; TMS: ENABLE TMS9918 VIDEO/KBD DRIVER (TMS.ASM)
-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)
+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
 VRCENABLE	.SET	TRUE		; VRC: ENABLE VGARC VIDEO/KBD DRIVER (VRC.ASM)
 EFENABLE	.SET	FALSE		; EF: ENABLE EF9345 VIDEO DRIVER (EF.ASM)
-VDAEMU_SERKBD	.SET	$FF		; 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
+MDROM		.SET	FALSE		; MD: ENABLE ROM DISK
+MDRAM		.SET	TRUE		; MD: ENABLE RAM DISK
 ;
 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]
+FDMODE		.SET	FDMODE_RCWDC	; FD: DRIVER MODE: FDMODE_[DIO|ZETA|ZETA2|DIDE|N8|DIO3|RCSMC|RCWDC|DYNO|EPFDC|MBC]
 ;
 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)
-SDCNT		.SET	1		; SD: NUMBER OF SD CARD DEVICES (1-2), FOR DSD/SC/MT SC ONLY
+SDCNT		.SET	1		; SD: NUMBER OF SD CARD DEVICES (1-2), FOR DSD/SC/MT ONLY
 ;
 PRPENABLE	.SET	FALSE		; PRP: ENABLE ECB PROPELLER IO BOARD DRIVER (PRP.ASM)
+SN76489ENABLE	.SET	FALSE		; SN: ENABLE SN76489 SOUND DRIVER
+AY38910ENABLE	.SET	FALSE		; AY: ENABLE AY-3-8910 / YM2149 SOUND DRIVER
+AYMODE		.SET	AYMODE_RCZ80	; AY: DRIVER MODE: AYMODE_[SCG|N8|RCZ80|RCZ180|MSX|LINC|MBC|DUO|NABU]
--- a/Source/HBIOS/Config/RCZ280_zzrcc_std.asm
+++ b/Source/HBIOS/Config/RCZ280_zzrcc_std.asm
@ -1,44 +1,60 @@
 ;
 ;==================================================================================================
-;   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
-CRTACT		.SET	FALSE		; ACTIVATE CRT (VDU,CVDU,PROPIO,ETC) AT STARTUP
-;
-FPLED_ENABLE	.SET	TRUE		; FP: ENABLES FRONT PANEL LEDS
-FPSW_ENABLE	.SET	TRUE		; FP: ENABLES FRONT PANEL SWITCHES
-;
-MEMMGR		.SET	MM_Z280		; MEMORY MANAGER: MM_[SBC|Z2|N8|Z180|Z280]
+INTMODE		.SET	3		; INTERRUPTS: 0=NONE, 1=MODE 1, 2=MODE 2, 3=MODE 3 (Z280)
 ;
 RAMSIZE		.SET	256		; SIZE OF RAM IN KB (MUST MATCH YOUR HARDWARE!!!)
 ROMSIZE		.SET	256		; SIZE OF ROM IN KB (MUST MATCH YOUR HARDWARE!!!)
+MEMMGR		.SET	MM_Z280		; MEMORY MANAGER: MM_[SBC|Z2|N8|Z180|Z280|MBC|RPH|MON]
+;
 RAMBIAS		.SET	ROMSIZE		; OFFSET OF START OF RAM IN PHYSICAL ADDRESS SPACE
 ;
 Z280_MEMLOWAIT	.SET	0		; Z280: LOW 8MB MEMORY WAIT STATES (0-3)
@ -46,33 +62,39 @@ Z280_MEMHIWAIT	.SET	0		; Z280: HIGH 8MB MEMORY WAIT STATES (0-3)
 Z280_IOWAIT	.SET	1		; Z280: I/O WAIT STATES TO ADD ABOVE 1 W/S BUILT-IN (0-3)
 Z280_INTWAIT	.SET	0		; Z280: INT ACK WAIT STATUS (0-3)
 ;
-MDROM		.SET	TRUE		; MD: ENABLE ROM DISK
-MDRAM		.SET	TRUE		; MD: ENABLE RAM DISK
+FPLED_ENABLE	.SET	TRUE		; FP: ENABLES FRONT PANEL LEDS
+FPSW_ENABLE	.SET	TRUE		; FP: ENABLES FRONT PANEL SWITCHES
+CRTACT		.SET	FALSE		; ACTIVATE CRT (VDU,CVDU,PROPIO,ETC) AT STARTUP
+VDAEMU_SERKBD	.SET	$FF		; VDA EMULATION: SERIAL KBD UNIT #, OR $FF FOR HW KBD
 ;
+UARTENABLE	.SET	TRUE		; UART: ENABLE 8250/16550-LIKE SERIAL DRIVER (UART.ASM)
 Z2UENABLE	.SET	TRUE		; Z2U: ENABLE Z280 UART SERIAL DRIVER (Z2U.ASM)
 Z2UOSC		.SET	(CPUOSC / 16)	; Z2U: OSC FREQUENCY IN MHZ
 Z2U0HFC		.SET	TRUE		; Z2U0: ENABLE HARDWARE FLOW CONTROL
-UARTENABLE	.SET	TRUE		; UART: ENABLE 8250/16550-LIKE SERIAL DRIVER (UART.ASM)
 ACIAENABLE	.SET	FALSE		; ACIA: ENABLE MOTOROLA 6850 ACIA DRIVER (ACIA.ASM)
 SIOENABLE	.SET	TRUE		; SIO: ENABLE ZILOG SIO SERIAL DRIVER (SIO.ASM)
 ;
 TMSENABLE	.SET	FALSE		; TMS: ENABLE TMS9918 VIDEO/KBD DRIVER (TMS.ASM)
-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)
+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
 VRCENABLE	.SET	TRUE		; VRC: ENABLE VGARC VIDEO/KBD DRIVER (VRC.ASM)
 EFENABLE	.SET	FALSE		; EF: ENABLE EF9345 VIDEO DRIVER (EF.ASM)
-VDAEMU_SERKBD	.SET	$FF		; 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
+MDROM		.SET	TRUE		; MD: ENABLE ROM DISK
+MDRAM		.SET	TRUE		; MD: ENABLE RAM DISK
 ;
 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]
+FDMODE		.SET	FDMODE_RCWDC	; FD: DRIVER MODE: FDMODE_[DIO|ZETA|ZETA2|DIDE|N8|DIO3|RCSMC|RCWDC|DYNO|EPFDC|MBC]
+;
 ;
 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)
-SDCNT		.SET	1		; SD: NUMBER OF SD CARD DEVICES (1-2), FOR DSD/SC/MT SC ONLY
+SDCNT		.SET	1		; SD: NUMBER OF SD CARD DEVICES (1-2), FOR DSD/SC/MT ONLY
 ;
 PRPENABLE	.SET	FALSE		; PRP: ENABLE ECB PROPELLER IO BOARD DRIVER (PRP.ASM)
+SN76489ENABLE	.SET	FALSE		; SN: ENABLE SN76489 SOUND DRIVER
+AY38910ENABLE	.SET	FALSE		; AY: ENABLE AY-3-8910 / YM2149 SOUND DRIVER
+AYMODE		.SET	AYMODE_RCZ80	; AY: DRIVER MODE: AYMODE_[SCG|N8|RCZ80|RCZ180|MSX|LINC|MBC|DUO|NABU]