Support DS1501 RTC

jpelletier provided a DS1501 RTC driver.  This commit integrates the driver into HBIOS.

Doc/ChangeLog.txt

@@ -62,6 +62,8 @@ Version 3.1.1
 - WBW: ZPMLDR and ZPM3 fixes, credit to Lars Nelson for finding ZPM3 source!
 - DDW: Add support for MBC sound card
 - WBW: Add support for "romless" booting
+- L?N: Fixes for ZCPR-D&J (buffer overflow, default drive/user)
+- J?P: Add support for DS1501 RTC
 
 Version 3.1
 -----------

Makefile

@@ -6,6 +6,7 @@ clean:
 	$(MAKE) --directory Tools clean
 	$(MAKE) --directory Source clean
 	$(MAKE) --directory Binary clean
+	rm -f make.log
 
 clobber: clean
 
@@ -13,6 +14,6 @@ diff:
 	$(MAKE) --directory Source diff
 
 dist:
-	$(MAKE) ROM_PLATFORM=dist
+	$(MAKE) ROM_PLATFORM=dist 2>&1 | tee make.log
 	$(MAKE) --directory Source clean
 	$(MAKE) --directory Tools clean

ReadMe.md

@@ -3,7 +3,7 @@
 ## Z80/Z180 System Software
 
 Version 3.1 Pre-release  
-21 Mar 2022
+09 Jul 2022
 
 Wayne Warthen <wwarthen@gmail.com>
 
@@ -418,7 +418,7 @@ therefore, globally available.
 
 Some custom applications do not fit on the ROM disk. They are found on
 the disk image files or the individual files can be found in the
-Binary\\Apps directory of the distribution.
+Binary\Apps directory of the distribution.
 
 | Application | Description                                                 |
 |-------------|-------------------------------------------------------------|
@@ -924,7 +924,7 @@ documents.
 Note that the build scripts for RomWBW create the default disk images
 supplied with RomWBW. It is relatively easy to customize the contents of
 the disk images that are part of RomWBW. This is described in more
-detail in the Source\\Images directory of the distribution.
+detail in the Source\Images directory of the distribution.
 
 ## FAT Filesystem Transfers
 
@@ -945,7 +945,7 @@ however. Longer filenames will show up as a truncated version.
 
 The `FAT` application is not on your ROM disk because it is too large to
 fit. You will find it on all of the pre-built disk images as well as in
-the Binary\\Apps directory of the distribution.
+the Binary\Apps directory of the distribution.
 
 For advanced users, it is possible to create a hybrid disk that contains
 CP/M slices at the beginning and a FAT filesystem after. Such a hybrid
@@ -953,7 +953,7 @@ disk can be used to boot an operating system and still have access to
 FAT files on the FAT portion of the disk. David Reese has prepared a
 document describing how to do this. It is called
 “SC126_How-To_No_2\_Preparing_an_SD_Card_for_Use_with_SC126_Rev_1-5.pdf”
-and can be found in the Doc\\Contrib directory of the distribution.
+and can be found in the Doc\Contrib directory of the distribution.
 
 # Startup Command Processing
 
@@ -1164,7 +1164,7 @@ system on your disk.
     CP/M 3 uses a multi-step boot process involving multiple files. The
     CP/M 3 boot files are not included on the ROM disk due to space
     constraints. You will need to transfer the files to your system from
-    the RomWBW distribution directory Binary\\CPM3.
+    the RomWBW distribution directory Binary\CPM3.
 
     After this is done, you will need to use `SYSCOPY` to place the CP/M
     3 loader image on the boot tracks of all CP/M 3 boot disks/slices.
@@ -1182,7 +1182,7 @@ system on your disk.
     ZPM3 uses a multi-step boot process involving multiple files. The
     ZPM3 boot files are not included on the ROM disk due to space
     constraints. You will need to transfer the files to your system from
-    the RomWBW distribution directory Binary\\ZPM3.
+    the RomWBW distribution directory Binary\ZPM3.
 
     After this is done, you will need to use `SYSCOPY` to place the ZPM3
     loader image on the boot tracks of all ZPM3 boot disks/slices. The
@@ -1225,8 +1225,7 @@ For example: `B>COPY ASSIGN.COM C:`
 Some RomWBW custom applications are too large to fit on the ROM disk. If
 you are using any of these you will need to transfer them to your system
 and then update all copies. These applications are found in the
-Binary\\Apps directory of the distribution and in all of the disk
-images.
+Binary\Apps directory of the distribution and in all of the disk images.
 
 -   FAT.COM
 -   TUNE.COM

ReadMe.txt

@@ -1,6 +1,6 @@
 RomWBW Getting Started
 Wayne Warthen (mailto:wwarthen@gmail.com)
-21 Mar 2022
+09 Jul 2022
 
 
 
@@ -17,7 +17,7 @@ RomWBW
 Z80/Z180 System Software
 
 Version 3.1 Pre-release
-21 Mar 2022
+09 Jul 2022
 
 Wayne Warthen wwarthen@gmail.com
 
@@ -213,15 +213,23 @@ disk devices.
 
 The following ROM applications are available at the boot loader prompt:
 
-  Application    
-  -------------- --------------------------------------------------------
-  Monitor        Z80 system debug monitor w/ Intel Hex loader
-  Forth          Brad Rodriguez’s ANSI compatible Forth language
-  Basic          Nascom 8K BASIC language
-  Tasty BASIC    Dimitri Theuling’s Tiny BASIC implementation
-  Play           A simple video game (requires ANSI terminal emulation)
-  Network Boot   Boot through Wiznet MT011 device
-  Flash Update   Upload and flash a new ROMWBW image using xmodem
+  --------------------------------------------------------------------------
+  Application   
+  ------------- ------------------------------------------------------------
+  Monitor       Z80 system debug monitor w/ Intel Hex loader
+
+  Forth         Brad Rodriguez’s ANSI compatible Forth language
+
+  Basic         Nascom 8K BASIC language
+
+  Tasty BASIC   Dimitri Theuling’s Tiny BASIC implementation
+
+  Play          A simple video game (requires ANSI terminal emulation)
+
+  Network Boot  Boot through Wiznet MT011 device
+
+  Flash Update  Upload and flash a new ROMWBW image using xmodem
+  --------------------------------------------------------------------------
 
 In general, the command to exit these applications and restart the
 system is BYE. The exceptions are the Monitor which uses B and Play
@@ -467,11 +475,15 @@ Some custom applications do not fit on the ROM disk. They are found on
 the disk image files or the individual files can be found in the
 Binary\Apps directory of the distribution.
 
+  --------------------------------------------------------------------------
   Application   Description
-  ------------- -------------------------------------------------------------
+  ------------- ------------------------------------------------------------
   TUNE          Play .PT2, .PT3, .MYM audio files.
+
   FAT           Access MS-DOS FAT filesystems from RomWBW (based on FatFs).
+
   INTTEST       Test interrupt vector hooking.
+  --------------------------------------------------------------------------
 
 Additional documentation on all of these applications can be found in
 “RomWBW Applications.pdf” in the Doc directory of the distribution.
@@ -667,14 +679,21 @@ The following table shows the disk image files available. Note that the
 images in the “Hard” column are fine for use on CF Cards, SD Cards, as
 well as real spinning hard disks.
 
-  Floppy         Hard           Description
-  -------------- -------------- ------------------------------
-  fd_cpm22.img   hd_cpm22.img   DRI CP/M 2.2 boot disk
-  fd_zsdos.img   hd_zsdos.img   ZSDOS 1.1 boot disk
-  fd_nzcom.img   hd_nzcom.img   NZCOM boot disk
-  fd_cpm3.img    hd_cpm3.img    DRI CP/M 3 boot disk
-  fd_zpm3.img    hd_zpm3.img    ZPM3 boot disk
-  fd_ws4.img     hd_ws4.img     WordStar v4 application disk
+  -----------------------------------------------------------------------
+  Floppy          Hard            Description
+  --------------- --------------- ---------------------------------------
+  fd_cpm22.img    hd_cpm22.img    DRI CP/M 2.2 boot disk
+
+  fd_zsdos.img    hd_zsdos.img    ZSDOS 1.1 boot disk
+
+  fd_nzcom.img    hd_nzcom.img    NZCOM boot disk
+
+  fd_cpm3.img     hd_cpm3.img     DRI CP/M 3 boot disk
+
+  fd_zpm3.img     hd_zpm3.img     ZPM3 boot disk
+
+  fd_ws4.img      hd_ws4.img      WordStar v4 application disk
+  -----------------------------------------------------------------------
 
 In addition to the disk images above, there is also a special hard disk
 image called hd_combo.img. This image contains all of the images above,
@@ -685,14 +704,21 @@ system options.
 
 This is the layout of the hd_combo disk image:
 
-  Slice     Description
-  --------- ------------------------------
-  Slice 0   DRI CP/M 2.2 boot disk
-  Slice 1   ZSDOS 1.1 boot disk
-  Slice 2   NZCOM boot disk
-  Slice 3   DRI CP/M 3 boot disk
-  Slice 4   ZPM3 boot disk
-  Slice 5   WordStar v4 application disk
+  ------------------------------------------------------------------------
+  Slice   Description
+  ------- ----------------------------------------------------------------
+  Slice 0 DRI CP/M 2.2 boot disk
+
+  Slice 1 ZSDOS 1.1 boot disk
+
+  Slice 2 NZCOM boot disk
+
+  Slice 3 DRI CP/M 3 boot disk
+
+  Slice 4 ZPM3 boot disk
+
+  Slice 5 WordStar v4 application disk
+  ------------------------------------------------------------------------
 
 Note that unlike the ROM firmware, you do not need to choose a disk
 image specific to your hardware. Because the RomWBW firmware provides a

Readme.unix

@@ -34,13 +34,11 @@ By default, this will generate all of the standard configurations of
 RomWBW for all platforms.  If you just want to build the ROM for a
 specific platform and configuration you can use
 
-	make ROM_PLATFORM=<platform> ROM_CONFIG=<config> [ROMSIZE=<size>]
+	make ROM_PLATFORM=<platform> ROM_CONFIG=<config>
 
 where <platform> is one of the supported platforms such as SBC, RCZ80, 
-etc. and <config> is a configuration of that platform.  A ROM size may
-optionally be specified and must be one of 128, 256, 512, or 1024.  It
-defaults to 512.  For example, to build the "126" configuration of
-the "SCZ180" platform:
+etc. and <config> is a configuration of that platform.  For example,
+to build the "126" configuration of the "SCZ180" platform:
 
 	make ROM_PLATFORM=SCZ180 ROM_CONFIG=126
 
@@ -77,7 +75,7 @@ running.  To disable this feature:
 DISCLAIMER: You do this at your own risk.  I highly recommend that you
 return the settings back to normal immediately after doing a build.
 
-Heavy use is made of make's include facility and pattern rules. the 
+Heavy use is made of make's include facility and pattern rules. The 
 master rule set is in Tools/Makefile.inc.  Changes here will affect 
 almost every Makefile, and where exceptions are needed, the overrides 
 are applied in the lower Makefiles.
@@ -101,10 +99,10 @@ Credit:
 	hacked to do case-insensitivity. These are not marked, and are 
 	not extensive.
 
-	zx is from the distributed version, and also has local hacks 
+	zxcc is from the distributed version, and also has local hacks 
 	for case insensitivity.
 
-	Both zx and cpmtools ship with an overly complicated makefile 
+	Both zxcc and cpmtools ship with an overly complicated makefile 
 	generation system and this is ignored.
 
 	This whole Linux build framework is the work of Curt Mayer, 

Source/HBIOS/Build.cmd

@@ -4,7 +4,7 @@ setlocal
 if "%1" == "dist" goto :dist
 
 ::
-:: Build [<platform> [<config> [<romsize> [<romname>]]]]
+:: Build [<platform> [<config> [<romname>]]]
 ::
 
 set TOOLS=../../Tools
@@ -28,11 +28,21 @@ PowerShell -ExecutionPolicy Unrestricted .\Build.ps1 %* || exit /b
 ::
 :: Below, we process the command file created by the PowerShell script.
 :: This sets the environment variables: Platform, Config, ROMName,
-:: ROMSize, & CPUType.
+:: & CPUType.
 ::
 
 call build_env.cmd
 
+::
+:: Create a small app that is used to export key build variables of the build.
+:: Then run the app to output a file with the variables.  Finally, read the
+:: file into variables usable in this batch file.
+::
+
+tasm -t80 -g3 -dCMD hbios_env.asm hbios_env.com hbios_env.lst || exit /b
+zxcc hbios_env >hbios_env.cmd
+call hbios_env.cmd
+
 ::
 :: Start of the actual build process for a given ROM.
 ::
@@ -183,34 +193,34 @@ goto :eof
 
 :dist
 
-call Build SBC std 512 || exit /b
-call Build SBC simh 512 || exit /b
-call Build MBC std 512 || exit /b
-call Build ZETA std 512 || exit /b
-call Build ZETA2 std 512 || exit /b
-call Build N8 std 512 || exit /b
-call Build MK4 std 512 || exit /b
-call Build RCZ80 std 512 || exit /b
-call Build RCZ80 skz 512 || exit /b
-call Build RCZ80 kio 512 || exit /b
-call Build RCZ80 mt 512 || exit /b
-call Build RCZ80 duart 512 || exit /b
-call Build RCZ80 zrc 512 || exit /b
-call Build RCZ80 zrc_ram 0 || exit /b
-call Build RCZ180 ext 512 || exit /b
-call Build RCZ180 nat 512 || exit /b
-call Build RCZ280 ext 512 || exit /b
-call Build RCZ280 nat 512 || exit /b
-call Build RCZ280 nat_zz 512 || exit /b
-call Build RCZ280 nat_zzr 256 || exit /b
-call Build SCZ180 126 512 || exit /b
-call Build SCZ180 130 512 || exit /b
-call Build SCZ180 131 512 || exit /b
-call Build SCZ180 140 512 || exit /b
-call Build EZZ80 std 512 || exit /b
-call Build EZZ80 tz80 512 || exit /b
-call Build DYNO std 512 || exit /b
-call Build UNA std 512 || exit /b
-call Build RPH std 512 || exit /b
+call Build SBC std || exit /b
+call Build SBC simh || 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 skz || exit /b
+call Build RCZ80 kio || 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 RCZ180 ext || exit /b
+call Build RCZ180 nat || exit /b
+call Build RCZ280 ext || exit /b
+call Build RCZ280 nat || exit /b
+call Build RCZ280 nat_zz || exit /b
+call Build RCZ280 nat_zzr || exit /b
+call Build SCZ180 126 || exit /b
+call Build SCZ180 130 || exit /b
+call Build SCZ180 131 || exit /b
+call Build SCZ180 140 || exit /b
+call Build EZZ80 std || exit /b
+call Build EZZ80 tz80 || exit /b
+call Build DYNO std || exit /b
+call Build UNA std || exit /b
+call Build RPH std || exit /b
 
 goto :eof

Source/HBIOS/Build.ps1

@@ -1,4 +1,4 @@
-param([string]$Platform = "", [string]$Config = "", [int]$RomSize = 512, [string]$ROMName = "")
+param([string]$Platform = "", [string]$Config = "", [string]$ROMName = "")
 
 # If a PowerShell exception occurs, just stop the script immediately.
 $ErrorAction = 'Stop'
@@ -67,19 +67,6 @@ while ($true)
 	$Config = (Read-Host -prompt "Configuration").Trim()
 }
 
-#
-# Establish the ROM size (in KB).  It may have been passed in on the command line.  Validate
-# $RomSize and loop requesting a new value as long as it is not valid.  The valid ROM sizes
-# are just hard-coded for now.  The ROM size does nothing more than determine the size of the
-# ROM disk portion of the ROM image.
-#
-
-while ($true)
-{
-	if (($RomSize -eq 0) -or ($RomSize -eq 128) -or ($RomSize -eq 256) -or ($RomSize -eq 512) -or ($RomSize -eq 1024)) {break}
-	$RomSize = (Read-Host -prompt "ROM Size [0|128|256|512|1024]").Trim()
-}
-
 #
 # TASM should be invoked with the proper CPU type.  Below, the CPU type is inferred
 # from the platform.
@@ -103,7 +90,7 @@ while ($ROMName -eq "")
 }
 
 # Current date/time is queried here to be subsequently imbedded in image
-$TimeStamp = '"' + (Get-Date -Format 'yyyy-MM-dd') + '"'
+$TimeStamp = (Get-Date -Format 'yyyy-MM-dd')
 
 #
 # Since TASM has no mechanism to include files dynamically based on variables, a file
@@ -115,9 +102,8 @@ $TimeStamp = '"' + (Get-Date -Format 'yyyy-MM-dd') + '"'
 @"
 ; RomWBW Configured for ${Platform} ${Config}, $(Get-Date -Format "s")
 ;
-#DEFINE		TIMESTAMP	${TimeStamp}
-;
-ROMSIZE		.EQU		${ROMSize}
+#DEFINE		TIMESTAMP	"${TimeStamp}"
+#DEFINE		CONFIG		"${Platform}_${Config}"
 ;
 #INCLUDE "${ConfigFile}"
 ;
@@ -134,6 +120,5 @@ ROMSIZE		.EQU		${ROMSize}
 set Platform=${Platform}
 set Config=${Config}
 set ROMName=${ROMName}
-set ROMSize=${ROMSize}
 set CPUType=${CPUType}
 "@ | Out-File "build_env.cmd" -Encoding ASCII

Source/HBIOS/Build.sh

@@ -6,38 +6,39 @@ set -e
 export ROM_PLATFORM
 export ROM_CONFIG
 export ROMSIZE
+export CPUFAM
 
 if [ "${ROM_PLATFORM}" == "dist" ] ; then
 	echo "!!!DISTRIBUTION BUILD!!!"
-	ROM_PLATFORM="DYNO"; ROM_CONFIG="std"; ROMSIZE="512"; bash Build.sh
-	ROM_PLATFORM="EZZ80"; ROM_CONFIG="std"; ROMSIZE="512"; bash Build.sh
-	ROM_PLATFORM="EZZ80"; ROM_CONFIG="tz80"; ROMSIZE="512"; bash Build.sh
-	ROM_PLATFORM="MK4"; ROM_CONFIG="std"; ROMSIZE="512"; bash Build.sh
-	ROM_PLATFORM="N8"; ROM_CONFIG="std"; ROMSIZE="512"; bash Build.sh
-	ROM_PLATFORM="RCZ180"; ROM_CONFIG="ext"; ROMSIZE="512"; bash Build.sh
-	ROM_PLATFORM="RCZ180"; ROM_CONFIG="nat"; ROMSIZE="512"; bash Build.sh
-	ROM_PLATFORM="RCZ280"; ROM_CONFIG="ext"; ROMSIZE="512"; bash Build.sh
-	ROM_PLATFORM="RCZ280"; ROM_CONFIG="nat"; ROMSIZE="512"; bash Build.sh
-	ROM_PLATFORM="RCZ280"; ROM_CONFIG="nat_zz"; ROMSIZE="512"; bash Build.sh
-	ROM_PLATFORM="RCZ280"; ROM_CONFIG="nat_zzr"; ROMSIZE="256"; bash Build.sh
-	ROM_PLATFORM="RCZ80"; ROM_CONFIG="kio"; ROMSIZE="512"; bash Build.sh
-	ROM_PLATFORM="RCZ80"; ROM_CONFIG="mt"; ROMSIZE="512"; bash Build.sh
-	ROM_PLATFORM="RCZ80"; ROM_CONFIG="duart"; ROMSIZE="512"; bash Build.sh
-	ROM_PLATFORM="RCZ80"; ROM_CONFIG="std"; ROMSIZE="512"; bash Build.sh
-	ROM_PLATFORM="RCZ80"; ROM_CONFIG="skz"; ROMSIZE="512"; bash Build.sh
-	ROM_PLATFORM="RCZ80"; ROM_CONFIG="zrc"; ROMSIZE="512"; bash Build.sh
-	ROM_PLATFORM="RCZ80"; ROM_CONFIG="zrc_ram"; ROMSIZE="0"; bash Build.sh
-	ROM_PLATFORM="RPH"; ROM_CONFIG="std"; ROMSIZE="512"; bash Build.sh
-	ROM_PLATFORM="SBC"; ROM_CONFIG="std"; ROMSIZE="512"; bash Build.sh
-	ROM_PLATFORM="SBC"; ROM_CONFIG="simh"; ROMSIZE="512"; bash Build.sh
-	ROM_PLATFORM="MBC"; ROM_CONFIG="std"; ROMSIZE="512"; bash Build.sh
-	ROM_PLATFORM="SCZ180"; ROM_CONFIG="126"; ROMSIZE="512"; bash Build.sh
-	ROM_PLATFORM="SCZ180"; ROM_CONFIG="130"; ROMSIZE="512"; bash Build.sh
-	ROM_PLATFORM="SCZ180"; ROM_CONFIG="131"; ROMSIZE="512"; bash Build.sh
-	ROM_PLATFORM="SCZ180"; ROM_CONFIG="140"; ROMSIZE="512"; bash Build.sh
-	ROM_PLATFORM="UNA"; ROM_CONFIG="std"; ROMSIZE="512"; bash Build.sh
-	ROM_PLATFORM="ZETA"; ROM_CONFIG="std"; ROMSIZE="512"; bash Build.sh
-	ROM_PLATFORM="ZETA2"; ROM_CONFIG="std"; ROMSIZE="512"; bash Build.sh
+	ROM_PLATFORM="DYNO"; ROM_CONFIG="std"; bash Build.sh
+	ROM_PLATFORM="EZZ80"; ROM_CONFIG="std"; bash Build.sh
+	ROM_PLATFORM="EZZ80"; ROM_CONFIG="tz80"; 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="RCZ280"; ROM_CONFIG="ext"; bash Build.sh
+	ROM_PLATFORM="RCZ280"; ROM_CONFIG="nat"; bash Build.sh
+	ROM_PLATFORM="RCZ280"; ROM_CONFIG="nat_zz"; bash Build.sh
+	ROM_PLATFORM="RCZ280"; ROM_CONFIG="nat_zzr"; bash Build.sh
+	ROM_PLATFORM="RCZ80"; ROM_CONFIG="kio"; 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="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="RPH"; ROM_CONFIG="std"; bash Build.sh
+	ROM_PLATFORM="SBC"; ROM_CONFIG="std"; bash Build.sh
+	ROM_PLATFORM="SBC"; ROM_CONFIG="simh"; bash Build.sh
+	ROM_PLATFORM="MBC"; ROM_CONFIG="std"; bash Build.sh
+	ROM_PLATFORM="SCZ180"; ROM_CONFIG="126"; bash Build.sh
+	ROM_PLATFORM="SCZ180"; ROM_CONFIG="130"; bash Build.sh
+	ROM_PLATFORM="SCZ180"; ROM_CONFIG="131"; bash Build.sh
+	ROM_PLATFORM="SCZ180"; ROM_CONFIG="140"; bash Build.sh
+	ROM_PLATFORM="UNA"; ROM_CONFIG="std"; bash Build.sh
+	ROM_PLATFORM="ZETA"; ROM_CONFIG="std"; bash Build.sh
+	ROM_PLATFORM="ZETA2"; ROM_CONFIG="std"; bash Build.sh
 	exit
 fi
 
@@ -59,19 +60,12 @@ done
 
 CONFIGFILE=Config/${ROM_PLATFORM}_${ROM_CONFIG}.asm
 
-if [ -z "${ROMSIZE}" ] ; then
-	ROMSIZE="512"
-fi
-
-while [ ! '(' "${ROMSIZE}" = 1024 -o "${ROMSIZE}" = 512 -o "${ROMSIZE}" = 256 -o "${ROMSIZE}" = 128 -o "${ROMSIZE}" = 0 ')' ] ; do
-	echo -n "Romsize :"
-	read ROMSIZE
-done
-
 if [ -z "${ROMNAME}" ] ; then
 	ROMNAME=${ROM_PLATFORM}_${ROM_CONFIG}
 fi
 
+echo -e "\n\nBuilding $ROM_PLATFORM $ROM_CONFIG\n\n"
+
 TIMESTAMP=$(date +%Y-%m-%d)
 
 if [ "$1" = "-d" ] ; then
@@ -86,19 +80,21 @@ fi
 
 CONFIGFILE=Config/${ROM_PLATFORM}_${ROM_CONFIG}.asm
 
-echo Building $ROMNAME for $ROM_PLATFORM $ROM_CONFIG $ROMSIZE
-
 cat <<- EOF > build.inc
 ; RomWBW Configured for ${ROM_PLATFORM} ${ROM_CONFIG} ${TIMESTAMP}
 ;
 #DEFINE	TIMESTAMP	"${TIMESTAMP}"
-;
-ROMSIZE		.EQU	${ROMSIZE}
+#DEFINE CONFIG		"${ROM_PLATFORM}_${ROM_CONFIG}"
 ;
 #INCLUDE "${CONFIGFILE}"
 ;
 EOF
 
+make hbios_env.sh
+source hbios_env.sh
+
+echo Creating ${ROMSIZE}K ROM named ${ROMNAME}.rom
+
 export OBJECTS
 OBJECTS="${ROMNAME}.rom"
 if [ "${ROM_PLATFORM}" != "UNA" ] ; then

Source/HBIOS/Clean.cmd

@@ -14,3 +14,4 @@ if exist *.sys del *.sys
 if exist build.inc del build.inc
 if exist font*.asm del font*.asm
 if exist build_env.cmd del build_env.cmd
+if exist hbios_env.cmd del hbios_env.cmd

Source/HBIOS/Config/EZZ80_tz80.asm

@@ -22,8 +22,6 @@
 ; PLEASE REFER TO THE CUSTOM BUILD INSTRUCTIONS (README.TXT) IN THE SOURCE DIRECTORY (TWO
 ; DIRECTORIES ABOVE THIS ONE).
 ;
-#DEFINE PLATFORM_NAME "TINYZ80"
-;
 #include "cfg_ezz80.asm"
 ;
 CRTACT		.SET	FALSE		; ACTIVATE CRT (VDU,CVDU,PROPIO,ETC) AT STARTUP

Source/HBIOS/Config/MBC_std.asm

@@ -22,7 +22,6 @@
 ; PLEASE REFER TO THE CUSTOM BUILD INSTRUCTIONS (README.TXT) IN THE SOURCE DIRECTORY (TWO
 ; DIRECTORIES ABOVE THIS ONE).
 ;
-#DEFINE PLATFORM_NAME "Multi Board Computer"
 #DEFINE	BOOT_DEFAULT	"H"		; DEFAULT BOOT LOADER CMD ON <CR> OR AUTO BOOT
 ;
 #include "cfg_mbc.asm"

Source/HBIOS/Config/RCZ280_nat_zz.asm

@@ -22,8 +22,6 @@
 ; PLEASE REFER TO THE CUSTOM BUILD INSTRUCTIONS (README.TXT) IN THE SOURCE DIRECTORY (TWO
 ; DIRECTORIES ABOVE THIS ONE).
 ;
-#DEFINE	PLATFORM_NAME	"ZZ80MB"
-;
 #DEFINE	BOOT_DEFAULT	"H"		; DEFAULT BOOT LOADER CMD ON <CR> OR AUTO BOOT
 ;
 #include "Config/RCZ280_nat.asm"

Source/HBIOS/Config/RCZ280_nat_zzr.asm

@@ -22,8 +22,6 @@
 ; PLEASE REFER TO THE CUSTOM BUILD INSTRUCTIONS (README.TXT) IN THE SOURCE DIRECTORY (TWO
 ; DIRECTORIES ABOVE THIS ONE).
 ;
-#DEFINE	PLATFORM_NAME	"ZZRCC"
-;
 #DEFINE	BOOT_DEFAULT	"H"		; DEFAULT BOOT LOADER CMD ON <CR> OR AUTO BOOT
 ;
 #include "Config/RCZ280_nat.asm"
@@ -31,6 +29,7 @@
 CPUOSC		.SET	14745600	; CPU OSC FREQ IN MHZ
 ;
 RAMSIZE		.SET	256		; SIZE OF RAM IN KB (MUST MATCH YOUR HARDWARE!!!)
+ROMSIZE		.SET	256		; SIZE OF ROM IN KB (MUST MATCH YOUR HARDWARE!!!)
 ROMSIZE_CHK	.SET	256		; ROMSIZE VALUE VEREIFICATION (0=DISABLED)
 ;
 RAMLOC		.SET	18		; START OF RAM AS POWER OF 2 (2^N) IN PHYSICAL ADDRESS SPACE

Source/HBIOS/Config/RCZ80_duart.asm

@@ -24,8 +24,6 @@
 ;
 #DEFINE	BOOT_DEFAULT	"H"		; DEFAULT BOOT LOADER CMD ON <CR> OR AUTO BOOT
 ;
-#DEFINE	PLATFORM_NAME	"RC2014 (DUART)"
-;
 #include "Config/RCZ80_std.asm"
 ;
 CRTACT		.SET	FALSE		; ACTIVATE CRT (VDU,CVDU,PROPIO,ETC) AT STARTUP

Source/HBIOS/Config/RCZ80_kio.asm

@@ -22,8 +22,6 @@
 ; PLEASE REFER TO THE CUSTOM BUILD INSTRUCTIONS (README.TXT) IN THE SOURCE DIRECTORY (TWO
 ; DIRECTORIES ABOVE THIS ONE).
 ;
-#DEFINE	PLATFORM_NAME	"RC2014 (KIO)"
-;
 #DEFINE	BOOT_DEFAULT	"H"		; DEFAULT BOOT LOADER CMD ON <CR> OR AUTO BOOT
 ;
 #include "Config/RCZ80_std.asm"

Source/HBIOS/Config/RCZ80_mt.asm

@@ -24,8 +24,6 @@
 ;
 #DEFINE	BOOT_DEFAULT	"H"		; DEFAULT BOOT LOADER CMD ON <CR> OR AUTO BOOT
 ;
-#DEFINE	PLATFORM_NAME	"RC2014 (MT)"
-;
 #include "Config/RCZ80_std.asm"
 ;
 CRTACT		.SET	FALSE		; ACTIVATE CRT (VDU,CVDU,PROPIO,ETC) AT STARTUP

Source/HBIOS/Config/RCZ80_skz.asm

@@ -22,8 +22,6 @@
 ; PLEASE REFER TO THE CUSTOM BUILD INSTRUCTIONS (README.TXT) IN THE SOURCE DIRECTORY (TWO
 ; DIRECTORIES ABOVE THIS ONE).
 ;
-#DEFINE	PLATFORM_NAME	"RC2014 (SKZ)"
-;
 #DEFINE	BOOT_DEFAULT	"H"		; DEFAULT BOOT LOADER CMD ON <CR> OR AUTO BOOT
 ;
 #include "Config/RCZ80_std.asm"

Source/HBIOS/Config/RCZ80_zrc_ram.asm

@@ -31,6 +31,7 @@ CRTACT		.SET	FALSE		; ACTIVATE CRT (VDU,CVDU,PROPIO,ETC) AT STARTUP
 CPUOSC		.SET	7372800		; CPU OSC FREQ IN MHZ
 ;
 RAMSIZE		.SET	2048		; SIZE OF RAM IN KB (MUST MATCH YOUR HARDWARE!!!)
+ROMSIZE		.SET	0		; SIZE OF ROM IN KB (MUST MATCH YOUR HARDWARE!!!)
 MEMMGR		.SET	MM_ZRC		; MEMORY MANAGER: MM_[SBC|Z2|N8|Z180]
 ;
 MDROM		.SET	FALSE		; MD: ENABLE ROM DISK

Source/HBIOS/Config/SBC_simh.asm

@@ -24,8 +24,6 @@
 ;
 #DEFINE	BOOT_DEFAULT	"H"		; DEFAULT BOOT LOADER CMD ON <CR> OR AUTO BOOT
 ;
-#DEFINE		PLATFORM_NAME	"SBC (simh)"
-;
 #include "cfg_sbc.asm"
 ;
 INTMODE		.SET	1		; INTERRUPTS: 0=NONE, 1=MODE 1, 2=MODE 2

Source/HBIOS/Config/SCZ180_126.asm

@@ -22,8 +22,6 @@
 ; PLEASE REFER TO THE CUSTOM BUILD INSTRUCTIONS (README.TXT) IN THE SOURCE DIRECTORY (TWO
 ; DIRECTORIES ABOVE THIS ONE).
 ;
-#DEFINE	PLATFORM_NAME	"SC126"
-;
 #DEFINE	BOOT_DEFAULT	"H"		; DEFAULT BOOT LOADER CMD ON <CR> OR AUTO BOOT
 ;
 #include "cfg_scz180.asm"

Source/HBIOS/Config/SCZ180_130.asm

@@ -22,8 +22,6 @@
 ; PLEASE REFER TO THE CUSTOM BUILD INSTRUCTIONS (README.TXT) IN THE SOURCE DIRECTORY (TWO
 ; DIRECTORIES ABOVE THIS ONE).
 ;
-#DEFINE	PLATFORM_NAME	"SC130"
-;
 #DEFINE	BOOT_DEFAULT	"H"		; DEFAULT BOOT LOADER CMD ON <CR> OR AUTO BOOT
 ;
 #include "cfg_scz180.asm"

Source/HBIOS/Config/SCZ180_131.asm

@@ -22,8 +22,6 @@
 ; PLEASE REFER TO THE CUSTOM BUILD INSTRUCTIONS (README.TXT) IN THE SOURCE DIRECTORY (TWO
 ; DIRECTORIES ABOVE THIS ONE).
 ;
-#DEFINE	PLATFORM_NAME	"SC131"
-;
 #DEFINE	BOOT_DEFAULT	"H"		; DEFAULT BOOT LOADER CMD ON <CR> OR AUTO BOOT
 ;
 #include "cfg_scz180.asm"

Source/HBIOS/Config/SCZ180_140.asm

@@ -22,8 +22,6 @@
 ; PLEASE REFER TO THE CUSTOM BUILD INSTRUCTIONS (README.TXT) IN THE SOURCE DIRECTORY (TWO
 ; DIRECTORIES ABOVE THIS ONE).
 ;
-#DEFINE		PLATFORM_NAME	"SC140"
-;
 #include "cfg_scz180.asm"
 ;
 CPUOSC		.SET	18432000	; CPU OSC FREQ IN MHZ

Source/HBIOS/Makefile

@@ -6,26 +6,31 @@ MOREDIFF = game.bin hbios_rom.bin nascom.bin usrrom.bin \
 SUBDIRS =
 DEST = ../../Binary
 TOOLS =../../Tools
-OTHERS =  *.img *.rom *.com *.upd *.bin *.z80 cpm.sys zsys.sys Build.inc font*.asm *.dat
-include $(TOOLS)/Makefile.inc
-
-FONTS := font8x11c.asm font8x11u.asm font8x16c.asm font8x16u.asm font8x8c.asm font8x8u.asm fontcgac.asm fontcgau.asm
-
-ifneq ($(findstring $(ROM_PLATFORM), N8 MK4 RCZ180 SCZ180 DYNO RPH),)
-	TASM=$(BINDIR)/uz80as -t hd64180
-endif
-
-ifneq ($(findstring $(ROM_PLATFORM), RCZ280),)
-	TASM=$(BINDIR)/uz80as -t z280
-endif
+OTHERS =  *.img *.rom *.com *.upd *.bin *.z80 cpm.sys zsys.sys Build.inc font*.asm *.dat hbios_env.sh
 
 # DIFFMAKE = 1
 
+# DIFFPATH = $(DIFFTO)/Binary
+
 ifeq ($(DIFFMAKE),1)
 	DIFFBUILD := -d $(DIFFTO)/Source/HBIOS
 endif
 
-# DIFFPATH = $(DIFFTO)/Binary
+ifeq ($(OBJECTS),)
+start:
+	chmod +x Build.sh
+	bash Build.sh $(DIFFBUILD)
+endif
+
+include $(TOOLS)/Makefile.inc
+
+FONTS := font8x11c.asm font8x11u.asm font8x16c.asm font8x16u.asm font8x8c.asm font8x8u.asm fontcgac.asm fontcgau.asm
+
+ifeq ($(CPUFAM),2)
+	TASM=$(BINDIR)/uz80as -t hd64180
+else ifeq ($(CPUFAM),3)
+	TASM=$(BINDIR)/uz80as -t z280
+endif
 
 DEPS=prereq dbgmon.bin romldr.bin nascom.bin tastybasic.bin game.bin eastaegg.bin updater.bin usrrom.bin imgpad2.bin
 
@@ -39,19 +44,15 @@ endif
 
 ROMNAME=${ROM_PLATFORM}_${ROM_CONFIG}
 
-#$(info DEPS=$(DEPS))
-#$(info ROM_PLATFORM=$(ROM_PLATFORM))
-#$(info ROM_CONFIG=$(ROM_CONFIG))
-#$(info ROMSIZE=$(ROMSIZE))
-#$(info ROMNAME=$(ROMNAME))
+# $(info DEPS=$(DEPS))
+# $(info ROM_PLATFORM=$(ROM_PLATFORM))
+# $(info ROM_CONFIG=$(ROM_CONFIG))
+# $(info ROMSIZE=$(ROMSIZE))
+# $(info ROMNAME=$(ROMNAME))
+# $(info CPUFAM=$(CPUFAM))
+# $(info TASM=$(TASM))
 
-all::
-	if [ -z "$(OBJECTS)" ] ; then \
-		chmod +x Build.sh ; \
-		bash Build.sh $(DIFFBUILD) ; \
-	fi
-
-$(ROMNAME).rom $(ROMNAME).com $(ROMNAME).img : $(ROMDEPS)
+$(OBJECTS) : $(ROMDEPS)
 	cat romldr.bin dbgmon.bin ../ZSDOS/zsys_$(BIOS).bin ../CPM22/cpm_$(BIOS).bin >osimg.bin
 	cat romldr.bin dbgmon.bin ../ZSDOS/zsys_$(BIOS).bin >osimg_small.bin
 	if [ $(ROM_PLATFORM) != UNA ] ; then \
@@ -99,6 +100,12 @@ hbios_app.bin:	hbios.asm build.inc  $(DEPS)
 hbios_img.bin:	hbios.asm build.inc  $(DEPS)
 	$(TASM) -dIMGBOOT hbios.asm hbios_img.bin hbios_img.lst
 
+hbios_env.com:	hbios_env.asm build.inc
+	$(TASM) -dBASH hbios_env.asm hbios_env.com hbios_env.lst
+	
+hbios_env.sh: hbios_env.com
+	$(ZXCC) hbios_env.com >hbios_env.sh
+
 romldr.bin:	build.inc
 dbgmon.bin:	build.inc
 nascom.bin:	build.inc

Source/HBIOS/cfg_dyno.asm

@@ -11,7 +11,7 @@
 ; THIS FILE CAN BE CONSIDERED A REFERENCE THAT LISTS ALL POSSIBLE CONFIGURATION SETTINGS
 ; FOR THE PLATFORM.
 ;
-#DEFINE PLATFORM_NAME "DYNO"
+#DEFINE PLATFORM_NAME "Dyno", " [", CONFIG, "]"
 ;
 #INCLUDE "hbios.inc"
 ;
@@ -33,6 +33,7 @@ INTMODE		.EQU	2		; INTERRUPTS: 0=NONE, 1=MODE 1, 2=MODE 2, 3=MODE 3 (Z280)
 DEFSERCFG	.EQU	SER_38400_8N1	; DEFAULT SERIAL LINE CONFIG (SEE STD.ASM)
 ;
 RAMSIZE		.EQU	512		; SIZE OF RAM IN KB (MUST MATCH YOUR HARDWARE!!!)
+ROMSIZE		.EQU	512		; SIZE OF ROM IN KB (MUST MATCH YOUR HARDWARE!!!)
 ROMSIZE_CHK	.EQU	0		; ROMSIZE VALUE VEREIFICATION (0=DISABLED)
 MEMMGR		.EQU	MM_Z180		; MEMORY MANAGER: MM_[SBC|Z2|N8|Z180|Z280|MBC|RPH]
 RAMLOC		.EQU	19		; START OF RAM AS POWER OF 2 (2^N) IN PHYSICAL ADDRESS SPACE
@@ -83,6 +84,9 @@ DSRTCENABLE	.EQU	FALSE		; DSRTC: ENABLE DS-1302 CLOCK DRIVER (DSRTC.ASM)
 DSRTCMODE	.EQU	DSRTCMODE_STD	; DSRTC: OPERATING MODE: DSRTC_[STD|MFPIC]
 DSRTCCHG	.EQU	FALSE		; DSRTC: FORCE BATTERY CHARGE ON (USE WITH CAUTION!!!)
 ;
+DS1501RTCENABLE	.EQU	FALSE		; DS1501RTC: ENABLE DS-1501 CLOCK DRIVER (DS1501RTC.ASM)
+DS1501RTC_BASE	.EQU	$50		; DS1501RTC: I/O BASE ADDRESS
+;
 BQRTCENABLE	.EQU	TRUE		; BQRTC: ENABLE BQ4845 CLOCK DRIVER (BQRTC.ASM)
 BQRTC_BASE	.EQU	$50		; BQRTC: I/O BASE ADDRESS
 ;

Source/HBIOS/cfg_ezz80.asm

@@ -11,7 +11,7 @@
 ; THIS FILE CAN BE CONSIDERED A REFERENCE THAT LISTS ALL POSSIBLE CONFIGURATION SETTINGS
 ; FOR THE PLATFORM.
 ;
-#DEFINE PLATFORM_NAME "EASYZ80"
+#DEFINE PLATFORM_NAME "Easy-Z80", " [", CONFIG, "]"
 ;
 #INCLUDE "hbios.inc"
 ;
@@ -33,6 +33,7 @@ INTMODE		.EQU	2		; INTERRUPTS: 0=NONE, 1=MODE 1, 2=MODE 2, 3=MODE 3 (Z280)
 DEFSERCFG	.EQU	SER_115200_8N1	; DEFAULT SERIAL LINE CONFIG (SEE STD.ASM)
 ;
 RAMSIZE		.EQU	512		; SIZE OF RAM IN KB (MUST MATCH YOUR HARDWARE!!!)
+ROMSIZE		.EQU	512		; SIZE OF ROM IN KB (MUST MATCH YOUR HARDWARE!!!)
 ROMSIZE_CHK	.EQU	0		; ROMSIZE VALUE VEREIFICATION (0=DISABLED)
 MEMMGR		.EQU	MM_Z2		; MEMORY MANAGER: MM_[SBC|Z2|N8|Z180|Z280|MBC|RPH]
 MPGSEL_0	.EQU	$78		; Z2 MEM MGR BANK 0 PAGE SELECT REG (WRITE ONLY)
@@ -89,6 +90,9 @@ DSRTCENABLE	.EQU	TRUE		; DSRTC: ENABLE DS-1302 CLOCK DRIVER (DSRTC.ASM)
 DSRTCMODE	.EQU	DSRTCMODE_STD	; DSRTC: OPERATING MODE: DSRTC_[STD|MFPIC]
 DSRTCCHG	.EQU	FALSE		; DSRTC: FORCE BATTERY CHARGE ON (USE WITH CAUTION!!!)
 ;
+DS1501RTCENABLE	.EQU	FALSE		; DS1501RTC: ENABLE DS-1501 CLOCK DRIVER (DS1501RTC.ASM)
+DS1501RTC_BASE	.EQU	$50		; DS1501RTC: I/O BASE ADDRESS
+;
 BQRTCENABLE	.EQU	FALSE		; BQRTC: ENABLE BQ4845 CLOCK DRIVER (BQRTC.ASM)
 BQRTC_BASE	.EQU	$50		; BQRTC: I/O BASE ADDRESS
 ;

Source/HBIOS/cfg_master.asm

@@ -8,7 +8,7 @@
 ; USED ONLY AS A REFERENCE TO HELP MANAGE THE FULL SET OF POSSIBLE SETTINGS AND
 ; KEEP THINGS CONSISTENT.
 ;
-#DEFINE PLATFORM_NAME "ROMWBW"
+#DEFINE PLATFORM_NAME "RomWBW", " [", CONFIG, "]"
 ;
 #INCLUDE "hbios.inc"
 ;
@@ -30,6 +30,7 @@ INTMODE		.EQU	0		; INTERRUPTS: 0=NONE, 1=MODE 1, 2=MODE 2, 3=MODE 3 (Z280)
 DEFSERCFG	.EQU	SER_38400_8N1	; DEFAULT SERIAL LINE CONFIG (SEE STD.ASM)
 ;
 RAMSIZE		.EQU	512		; SIZE OF RAM IN KB (MUST MATCH YOUR HARDWARE!!!)
+ROMSIZE		.EQU	512		; SIZE OF ROM IN KB (MUST MATCH YOUR HARDWARE!!!)
 ROMSIZE_CHK	.EQU	0		; ROMSIZE VALUE VEREIFICATION (0=DISABLED)
 MEMMGR		.EQU	MM_NONE		; MEMORY MANAGER: MM_[SBC|Z2|N8|Z180|Z280|MBC|RPH]
 RAMLOC		.EQU	19		; START OF RAM AS POWER OF 2 (2^N) IN PHYSICAL ADDRESS SPACE
@@ -123,6 +124,9 @@ DSRTCENABLE	.EQU	FALSE		; DSRTC: ENABLE DS-1302 CLOCK DRIVER (DSRTC.ASM)
 DSRTCMODE	.EQU	DSRTCMODE_STD	; DSRTC: OPERATING MODE: DSRTC_[STD|MFPIC]
 DSRTCCHG	.EQU	FALSE		; DSRTC: FORCE BATTERY CHARGE ON (USE WITH CAUTION!!!)
 ;
+DS1501RTCENABLE	.EQU	FALSE		; DS1501RTC: ENABLE DS-1501 CLOCK DRIVER (DS1501RTC.ASM)
+DS1501RTC_BASE	.EQU	$50		; DS1501RTC: I/O BASE ADDRESS
+;
 BQRTCENABLE	.EQU	FALSE		; BQRTC: ENABLE BQ4845 CLOCK DRIVER (BQRTC.ASM)
 BQRTC_BASE	.EQU	$50		; BQRTC: I/O BASE ADDRESS
 ;

Source/HBIOS/cfg_mbc.asm

@@ -11,7 +11,7 @@
 ; THIS FILE CAN BE CONSIDERED A REFERENCE THAT LISTS ALL POSSIBLE CONFIGURATION SETTINGS
 ; FOR THE PLATFORM.
 ;
-#DEFINE PLATFORM_NAME "Multi Board Computer"
+#DEFINE PLATFORM_NAME "Nhyodyne", " [", CONFIG, "]"
 ;
 #INCLUDE "hbios.inc"
 ;
@@ -33,6 +33,7 @@ INTMODE		.EQU	0		; INTERRUPTS: 0=NONE, 1=MODE 1, 2=MODE 2, 3=MODE 3 (Z280)
 DEFSERCFG	.EQU	SER_38400_8N1	; DEFAULT SERIAL LINE CONFIG (SEE STD.ASM)
 ;
 RAMSIZE		.EQU	512		; SIZE OF RAM IN KB (MUST MATCH YOUR HARDWARE!!!)
+ROMSIZE		.EQU	512		; SIZE OF ROM IN KB (MUST MATCH YOUR HARDWARE!!!)
 ROMSIZE_CHK	.EQU	0		; ROMSIZE VALUE VEREIFICATION (0=DISABLED)
 MEMMGR		.EQU	MM_MBC		; MEMORY MANAGER: MM_[SBC|Z2|N8|Z180|Z280|MBC|RPH]
 MPCL_RAM	.EQU	$78		; SBC MEM MGR RAM PAGE SELECT REG (WRITE ONLY)
@@ -88,6 +89,9 @@ DSRTCENABLE	.EQU	TRUE		; DSRTC: ENABLE DS-1302 CLOCK DRIVER (DSRTC.ASM)
 DSRTCMODE	.EQU	DSRTCMODE_STD	; DSRTC: OPERATING MODE: DSRTC_[STD|MFPIC]
 DSRTCCHG	.EQU	FALSE		; DSRTC: FORCE BATTERY CHARGE ON (USE WITH CAUTION!!!)
 ;
+DS1501RTCENABLE	.EQU	FALSE		; DS1501RTC: ENABLE DS-1501 CLOCK DRIVER (DS1501RTC.ASM)
+DS1501RTC_BASE	.EQU	$50		; DS1501RTC: I/O BASE ADDRESS
+;
 BQRTCENABLE	.EQU	FALSE		; BQRTC: ENABLE BQ4845 CLOCK DRIVER (BQRTC.ASM)
 BQRTC_BASE	.EQU	$50		; BQRTC: I/O BASE ADDRESS
 ;

Source/HBIOS/cfg_mk4.asm

@@ -11,7 +11,7 @@
 ; THIS FILE CAN BE CONSIDERED A REFERENCE THAT LISTS ALL POSSIBLE CONFIGURATION SETTINGS
 ; FOR THE PLATFORM.
 ;
-#DEFINE PLATFORM_NAME "MARK IV"
+#DEFINE PLATFORM_NAME "Mark IV", " [", CONFIG, "]"
 ;
 #INCLUDE "hbios.inc"
 ;
@@ -33,6 +33,7 @@ INTMODE		.EQU	2		; INTERRUPTS: 0=NONE, 1=MODE 1, 2=MODE 2, 3=MODE 3 (Z280)
 DEFSERCFG	.EQU	SER_38400_8N1	; DEFAULT SERIAL LINE CONFIG (SEE STD.ASM)
 ;
 RAMSIZE		.EQU	512		; SIZE OF RAM IN KB (MUST MATCH YOUR HARDWARE!!!)
+ROMSIZE		.EQU	512		; SIZE OF ROM IN KB (MUST MATCH YOUR HARDWARE!!!)
 ROMSIZE_CHK	.EQU	0		; ROMSIZE VALUE VEREIFICATION (0=DISABLED)
 MEMMGR		.EQU	MM_Z180		; MEMORY MANAGER: MM_[SBC|Z2|N8|Z180|Z280|MBC|RPH]
 RAMLOC		.EQU	19		; START OF RAM AS POWER OF 2 (2^N) IN PHYSICAL ADDRESS SPACE
@@ -94,6 +95,9 @@ DSRTCENABLE	.EQU	TRUE		; DSRTC: ENABLE DS-1302 CLOCK DRIVER (DSRTC.ASM)
 DSRTCMODE	.EQU	DSRTCMODE_STD	; DSRTC: OPERATING MODE: DSRTC_[STD|MFPIC]
 DSRTCCHG	.EQU	FALSE		; DSRTC: FORCE BATTERY CHARGE ON (USE WITH CAUTION!!!)
 ;
+DS1501RTCENABLE	.EQU	FALSE		; DS1501RTC: ENABLE DS-1501 CLOCK DRIVER (DS1501RTC.ASM)
+DS1501RTC_BASE	.EQU	$50		; DS1501RTC: I/O BASE ADDRESS
+;
 BQRTCENABLE	.EQU	FALSE		; BQRTC: ENABLE BQ4845 CLOCK DRIVER (BQRTC.ASM)
 BQRTC_BASE	.EQU	$50		; BQRTC: I/O BASE ADDRESS
 ;

Source/HBIOS/cfg_n8.asm

@@ -11,7 +11,7 @@
 ; THIS FILE CAN BE CONSIDERED A REFERENCE THAT LISTS ALL POSSIBLE CONFIGURATION SETTINGS
 ; FOR THE PLATFORM.
 ;
-#DEFINE PLATFORM_NAME "N8"
+#DEFINE PLATFORM_NAME "N8", " [", CONFIG, "]"
 ;
 #INCLUDE "hbios.inc"
 ;
@@ -33,6 +33,7 @@ INTMODE		.EQU	2		; INTERRUPTS: 0=NONE, 1=MODE 1, 2=MODE 2, 3=MODE 3 (Z280)
 DEFSERCFG	.EQU	SER_38400_8N1	; DEFAULT SERIAL LINE CONFIG (SEE STD.ASM)
 ;
 RAMSIZE		.EQU	512		; SIZE OF RAM IN KB (MUST MATCH YOUR HARDWARE!!!)
+ROMSIZE		.EQU	512		; SIZE OF ROM IN KB (MUST MATCH YOUR HARDWARE!!!)
 ROMSIZE_CHK	.EQU	0		; ROMSIZE VALUE VEREIFICATION (0=DISABLED)
 MEMMGR		.EQU	MM_N8		; MEMORY MANAGER: MM_[SBC|Z2|N8|Z180|Z280|MBC|RPH]
 RAMBIAS		.EQU	0		; OFFSET OF START OF RAM IN PHYSICAL ADDRESS SPACE
@@ -96,6 +97,9 @@ DSRTCENABLE	.EQU	TRUE		; DSRTC: ENABLE DS-1302 CLOCK DRIVER (DSRTC.ASM)
 DSRTCMODE	.EQU	DSRTCMODE_STD	; DSRTC: OPERATING MODE: DSRTC_[STD|MFPIC]
 DSRTCCHG	.EQU	FALSE		; DSRTC: FORCE BATTERY CHARGE ON (USE WITH CAUTION!!!)
 ;
+DS1501RTCENABLE	.EQU	FALSE		; DS1501RTC: ENABLE DS-1501 CLOCK DRIVER (DS1501RTC.ASM)
+DS1501RTC_BASE	.EQU	$50		; DS1501RTC: I/O BASE ADDRESS
+;
 BQRTCENABLE	.EQU	FALSE		; BQRTC: ENABLE BQ4845 CLOCK DRIVER (BQRTC.ASM)
 BQRTC_BASE	.EQU	$50		; BQRTC: I/O BASE ADDRESS
 ;

Source/HBIOS/cfg_rcz180.asm

@@ -11,7 +11,7 @@
 ; THIS FILE CAN BE CONSIDERED A REFERENCE THAT LISTS ALL POSSIBLE CONFIGURATION SETTINGS
 ; FOR THE PLATFORM.
 ;
-#DEFINE PLATFORM_NAME "RC2014"
+#DEFINE PLATFORM_NAME "RC2014", " [", CONFIG, "]"
 ;
 #INCLUDE "hbios.inc"
 ;
@@ -33,6 +33,7 @@ INTMODE		.EQU	2		; INTERRUPTS: 0=NONE, 1=MODE 1, 2=MODE 2, 3=MODE 3 (Z280)
 DEFSERCFG	.EQU	SER_115200_8N1	; DEFAULT SERIAL LINE CONFIG (SEE STD.ASM)
 ;
 RAMSIZE		.EQU	512		; SIZE OF RAM IN KB (MUST MATCH YOUR HARDWARE!!!)
+ROMSIZE		.EQU	512		; SIZE OF ROM IN KB (MUST MATCH YOUR HARDWARE!!!)
 ROMSIZE_CHK	.EQU	0		; ROMSIZE VALUE VEREIFICATION (0=DISABLED)
 MEMMGR		.EQU	MM_Z180		; MEMORY MANAGER: MM_[SBC|Z2|N8|Z180|Z280|MBC|RPH]
 RAMLOC		.EQU	19		; START OF RAM AS POWER OF 2 (2^N) IN PHYSICAL ADDRESS SPACE
@@ -91,6 +92,9 @@ DSRTCENABLE	.EQU	TRUE		; DSRTC: ENABLE DS-1302 CLOCK DRIVER (DSRTC.ASM)
 DSRTCMODE	.EQU	DSRTCMODE_STD	; DSRTC: OPERATING MODE: DSRTC_[STD|MFPIC]
 DSRTCCHG	.EQU	FALSE		; DSRTC: FORCE BATTERY CHARGE ON (USE WITH CAUTION!!!)
 ;
+DS1501RTCENABLE	.EQU	FALSE		; DS1501RTC: ENABLE DS-1501 CLOCK DRIVER (DS1501RTC.ASM)
+DS1501RTC_BASE	.EQU	$50		; DS1501RTC: I/O BASE ADDRESS
+;
 BQRTCENABLE	.EQU	FALSE		; BQRTC: ENABLE BQ4845 CLOCK DRIVER (BQRTC.ASM)
 BQRTC_BASE	.EQU	$50		; BQRTC: I/O BASE ADDRESS
 ;

Source/HBIOS/cfg_rcz280.asm

@@ -11,7 +11,7 @@
 ; THIS FILE CAN BE CONSIDERED A REFERENCE THAT LISTS ALL POSSIBLE CONFIGURATION SETTINGS
 ; FOR THE PLATFORM.
 ;
-#DEFINE PLATFORM_NAME "RC2014"
+#DEFINE PLATFORM_NAME "RC2014", " [", CONFIG, "]"
 ;
 #INCLUDE "hbios.inc"
 ;
@@ -33,6 +33,7 @@ INTMODE		.EQU	0		; INTERRUPTS: 0=NONE, 1=MODE 1, 2=MODE 2, 3=MODE 3 (Z280)
 DEFSERCFG	.EQU	SER_115200_8N1	; DEFAULT SERIAL LINE CONFIG (SEE STD.ASM)
 ;
 RAMSIZE		.EQU	512		; SIZE OF RAM IN KB (MUST MATCH YOUR HARDWARE!!!)
+ROMSIZE		.EQU	512		; SIZE OF ROM IN KB (MUST MATCH YOUR HARDWARE!!!)
 ROMSIZE_CHK	.EQU	0		; ROMSIZE VALUE VEREIFICATION (0=DISABLED)
 MEMMGR		.EQU	MM_Z2		; MEMORY MANAGER: MM_[SBC|Z2|N8|Z180|Z280|MBC|RPH]
 RAMLOC		.EQU	19		; START OF RAM AS POWER OF 2 (2^N) IN PHYSICAL ADDRESS SPACE
@@ -96,6 +97,9 @@ DSRTCENABLE	.EQU	TRUE		; DSRTC: ENABLE DS-1302 CLOCK DRIVER (DSRTC.ASM)
 DSRTCMODE	.EQU	DSRTCMODE_STD	; DSRTC: OPERATING MODE: DSRTC_[STD|MFPIC]
 DSRTCCHG	.EQU	FALSE		; DSRTC: FORCE BATTERY CHARGE ON (USE WITH CAUTION!!!)
 ;
+DS1501RTCENABLE	.EQU	FALSE		; DS1501RTC: ENABLE DS-1501 CLOCK DRIVER (DS1501RTC.ASM)
+DS1501RTC_BASE	.EQU	$50		; DS1501RTC: I/O BASE ADDRESS
+;
 BQRTCENABLE	.EQU	FALSE		; BQRTC: ENABLE BQ4845 CLOCK DRIVER (BQRTC.ASM)
 BQRTC_BASE	.EQU	$50		; BQRTC: I/O BASE ADDRESS
 ;

Source/HBIOS/cfg_rcz80.asm

@@ -11,7 +11,7 @@
 ; THIS FILE CAN BE CONSIDERED A REFERENCE THAT LISTS ALL POSSIBLE CONFIGURATION SETTINGS
 ; FOR THE PLATFORM.
 ;
-#DEFINE PLATFORM_NAME "RC2014"
+#DEFINE PLATFORM_NAME "RC2014", " [", CONFIG, "]"
 ;
 #INCLUDE "hbios.inc"
 ;
@@ -33,6 +33,7 @@ INTMODE		.EQU	1		; INTERRUPTS: 0=NONE, 1=MODE 1, 2=MODE 2, 3=MODE 3 (Z280)
 DEFSERCFG	.EQU	SER_115200_8N1	; DEFAULT SERIAL LINE CONFIG (SEE STD.ASM)
 ;
 RAMSIZE		.EQU	512		; SIZE OF RAM IN KB (MUST MATCH YOUR HARDWARE!!!)
+ROMSIZE		.EQU	512		; SIZE OF ROM IN KB (MUST MATCH YOUR HARDWARE!!!)
 ROMSIZE_CHK	.EQU	0		; ROMSIZE VALUE VEREIFICATION (0=DISABLED)
 MEMMGR		.EQU	MM_Z2		; MEMORY MANAGER: MM_[SBC|Z2|N8|Z180|Z280|MBC|RPH]
 MPGSEL_0	.EQU	$78		; Z2 MEM MGR BANK 0 PAGE SELECT REG (WRITE ONLY)
@@ -90,6 +91,9 @@ DSRTCENABLE	.EQU	TRUE		; DSRTC: ENABLE DS-1302 CLOCK DRIVER (DSRTC.ASM)
 DSRTCMODE	.EQU	DSRTCMODE_STD	; DSRTC: OPERATING MODE: DSRTC_[STD|MFPIC]
 DSRTCCHG	.EQU	FALSE		; DSRTC: FORCE BATTERY CHARGE ON (USE WITH CAUTION!!!)
 ;
+DS1501RTCENABLE	.EQU	FALSE		; DS1501RTC: ENABLE DS-1501 CLOCK DRIVER (DS1501RTC.ASM)
+DS1501RTC_BASE	.EQU	$50		; DS1501RTC: I/O BASE ADDRESS
+;
 BQRTCENABLE	.EQU	FALSE		; BQRTC: ENABLE BQ4845 CLOCK DRIVER (BQRTC.ASM)
 BQRTC_BASE	.EQU	$50		; BQRTC: I/O BASE ADDRESS
 ;

Source/HBIOS/cfg_rph.asm

@@ -11,7 +11,7 @@
 ; THIS FILE CAN BE CONSIDERED A REFERENCE THAT LISTS ALL POSSIBLE CONFIGURATION SETTINGS
 ; FOR THE PLATFORM.
 ;
-#DEFINE PLATFORM_NAME "RHYOPHYRE"
+#DEFINE PLATFORM_NAME "Rhyophyre", " [", CONFIG, "]"
 ;
 #INCLUDE "hbios.inc"
 ;
@@ -33,6 +33,7 @@ INTMODE		.EQU	2		; INTERRUPTS: 0=NONE, 1=MODE 1, 2=MODE 2, 3=MODE 3 (Z280)
 DEFSERCFG	.EQU	SER_38400_8N1	; DEFAULT SERIAL LINE CONFIG (SEE STD.ASM)
 ;
 RAMSIZE		.EQU	512		; SIZE OF RAM IN KB (MUST MATCH YOUR HARDWARE!!!)
+ROMSIZE		.EQU	512		; SIZE OF ROM IN KB (MUST MATCH YOUR HARDWARE!!!)
 ROMSIZE_CHK	.EQU	0		; ROMSIZE VALUE VEREIFICATION (0=DISABLED)
 MEMMGR		.EQU	MM_RPH		; MEMORY MANAGER: MM_[SBC|Z2|N8|Z180|Z280|MBC|RPH]
 RAMBIAS		.EQU	0		; OFFSET OF START OF RAM IN PHYSICAL ADDRESS SPACE
@@ -94,6 +95,9 @@ DSRTCENABLE	.EQU	TRUE		; DSRTC: ENABLE DS-1302 CLOCK DRIVER (DSRTC.ASM)
 DSRTCMODE	.EQU	DSRTCMODE_STD	; DSRTC: OPERATING MODE: DSRTC_[STD|MFPIC]
 DSRTCCHG	.EQU	FALSE		; DSRTC: FORCE BATTERY CHARGE ON (USE WITH CAUTION!!!)
 ;
+DS1501RTCENABLE	.EQU	FALSE		; DS1501RTC: ENABLE DS-1501 CLOCK DRIVER (DS1501RTC.ASM)
+DS1501RTC_BASE	.EQU	$50		; DS1501RTC: I/O BASE ADDRESS
+;
 BQRTCENABLE	.EQU	FALSE		; BQRTC: ENABLE BQ4845 CLOCK DRIVER (BQRTC.ASM)
 BQRTC_BASE	.EQU	$50		; BQRTC: I/O BASE ADDRESS
 ;

Source/HBIOS/cfg_sbc.asm

@@ -11,7 +11,7 @@
 ; THIS FILE CAN BE CONSIDERED A REFERENCE THAT LISTS ALL POSSIBLE CONFIGURATION SETTINGS
 ; FOR THE PLATFORM.
 ;
-#DEFINE PLATFORM_NAME "SBC"
+#DEFINE PLATFORM_NAME "Single Board Computer", " [", CONFIG, "]"
 ;
 #INCLUDE "hbios.inc"
 ;
@@ -33,6 +33,7 @@ INTMODE		.EQU	0		; INTERRUPTS: 0=NONE, 1=MODE 1, 2=MODE 2, 3=MODE 3 (Z280)
 DEFSERCFG	.EQU	SER_38400_8N1	; DEFAULT SERIAL LINE CONFIG (SEE STD.ASM)
 ;
 RAMSIZE		.EQU	512		; SIZE OF RAM IN KB (MUST MATCH YOUR HARDWARE!!!)
+ROMSIZE		.EQU	512		; SIZE OF ROM IN KB (MUST MATCH YOUR HARDWARE!!!)
 ROMSIZE_CHK	.EQU	0		; ROMSIZE VALUE VEREIFICATION (0=DISABLED)
 MEMMGR		.EQU	MM_SBC		; MEMORY MANAGER: MM_[SBC|Z2|N8|Z180|Z280|MBC|RPH]
 MPCL_RAM	.EQU	$78		; SBC MEM MGR RAM PAGE SELECT REG (WRITE ONLY)
@@ -88,6 +89,9 @@ DSRTCENABLE	.EQU	TRUE		; DSRTC: ENABLE DS-1302 CLOCK DRIVER (DSRTC.ASM)
 DSRTCMODE	.EQU	DSRTCMODE_STD	; DSRTC: OPERATING MODE: DSRTC_[STD|MFPIC]
 DSRTCCHG	.EQU	FALSE		; DSRTC: FORCE BATTERY CHARGE ON (USE WITH CAUTION!!!)
 ;
+DS1501RTCENABLE	.EQU	FALSE		; DS1501RTC: ENABLE DS-1501 CLOCK DRIVER (DS1501RTC.ASM)
+DS1501RTC_BASE	.EQU	$50		; DS1501RTC: I/O BASE ADDRESS
+;
 BQRTCENABLE	.EQU	FALSE		; BQRTC: ENABLE BQ4845 CLOCK DRIVER (BQRTC.ASM)
 BQRTC_BASE	.EQU	$50		; BQRTC: I/O BASE ADDRESS
 ;

Source/HBIOS/cfg_scz180.asm

@@ -11,7 +11,7 @@
 ; THIS FILE CAN BE CONSIDERED A REFERENCE THAT LISTS ALL POSSIBLE CONFIGURATION SETTINGS
 ; FOR THE PLATFORM.
 ;
-#DEFINE PLATFORM_NAME "SCZ180"
+#DEFINE PLATFORM_NAME "Small Computer", " [", CONFIG, "]"
 ;
 #INCLUDE "hbios.inc"
 ;
@@ -33,6 +33,7 @@ INTMODE		.EQU	2		; INTERRUPTS: 0=NONE, 1=MODE 1, 2=MODE 2, 3=MODE 3 (Z280)
 DEFSERCFG	.EQU	SER_115200_8N1	; DEFAULT SERIAL LINE CONFIG (SEE STD.ASM)
 ;
 RAMSIZE		.EQU	512		; SIZE OF RAM IN KB (MUST MATCH YOUR HARDWARE!!!)
+ROMSIZE		.EQU	512		; SIZE OF ROM IN KB (MUST MATCH YOUR HARDWARE!!!)
 ROMSIZE_CHK	.EQU	0		; ROMSIZE VALUE VEREIFICATION (0=DISABLED)
 MEMMGR		.EQU	MM_Z180		; MEMORY MANAGER: MM_[SBC|Z2|N8|Z180|Z280|MBC|RPH]
 RAMLOC		.EQU	19		; START OF RAM AS POWER OF 2 (2^N) IN PHYSICAL ADDRESS SPACE
@@ -86,6 +87,9 @@ DSRTCENABLE	.EQU	TRUE		; DSRTC: ENABLE DS-1302 CLOCK DRIVER (DSRTC.ASM)
 DSRTCMODE	.EQU	DSRTCMODE_STD	; DSRTC: OPERATING MODE: DSRTC_[STD|MFPIC]
 DSRTCCHG	.EQU	FALSE		; DSRTC: FORCE BATTERY CHARGE ON (USE WITH CAUTION!!!)
 ;
+DS1501RTCENABLE	.EQU	FALSE		; DS1501RTC: ENABLE DS-1501 CLOCK DRIVER (DS1501RTC.ASM)
+DS1501RTC_BASE	.EQU	$50		; DS1501RTC: I/O BASE ADDRESS
+;
 BQRTCENABLE	.EQU	FALSE		; BQRTC: ENABLE BQ4845 CLOCK DRIVER (BQRTC.ASM)
 BQRTC_BASE	.EQU	$50		; BQRTC: I/O BASE ADDRESS
 ;

Source/HBIOS/cfg_una.asm

@@ -11,11 +11,12 @@
 ; THIS FILE CAN BE CONSIDERED A REFERENCE THAT LISTS ALL POSSIBLE CONFIGURATION SETTINGS
 ; FOR THE PLATFORM.
 ;
-#DEFINE PLATFORM_NAME "UNA"
+#DEFINE PLATFORM_NAME "UNA", " [", CONFIG, "]"
 ;
 #INCLUDE "../UBIOS/ubios.inc"
 ;
 ;PLATFORM	.EQU	PLT_UNA		; PLT_[SBC|ZETA|ZETA2|N8|MK4|UNA|RCZ80|RCZ180|EZZ80|SCZ180|DYNO|RCZ280|MBC|RPH]
+CPUFAM		.EQU	CPU_Z80		; CPU FAMILY: CPU_[Z80|Z180|Z280]
 BIOS		.EQU	BIOS_UNA	; HARDWARE BIOS: BIOS_[WBW|UNA]
 ;
 BOOT_TIMEOUT	.EQU	-1		; AUTO BOOT TIMEOUT IN SECONDS, -1 TO DISABLE, 0 FOR IMMEDIATE
@@ -26,6 +27,7 @@ CPUOSC		.EQU	18432000	; CPU OSC FREQ IN MHZ
 INTMODE		.EQU	0		; INTERRUPTS: 0=NONE, 1=MODE 1, 2=MODE 2, 3=MODE 3 (Z280)
 ;
 RAMSIZE		.EQU	512		; SIZE OF RAM IN KB (MUST MATCH YOUR HARDWARE!!!)
+ROMSIZE		.EQU	512		; SIZE OF ROM IN KB (MUST MATCH YOUR HARDWARE!!!)
 ;
 RTCIO		.EQU	$70		; RTC LATCH REGISTER ADR
 ;

Source/HBIOS/cfg_zeta.asm

@@ -11,7 +11,7 @@
 ; THIS FILE CAN BE CONSIDERED A REFERENCE THAT LISTS ALL POSSIBLE CONFIGURATION SETTINGS
 ; FOR THE PLATFORM.
 ;
-#DEFINE PLATFORM_NAME "ZETA"
+#DEFINE PLATFORM_NAME "Zeta", " [", CONFIG, "]"
 ;
 #INCLUDE "hbios.inc"
 ;
@@ -33,6 +33,7 @@ INTMODE		.EQU	0		; INTERRUPTS: 0=NONE, 1=MODE 1, 2=MODE 2, 3=MODE 3 (Z280)
 DEFSERCFG	.EQU	SER_38400_8N1	; DEFAULT SERIAL LINE CONFIG (SEE STD.ASM)
 ;
 RAMSIZE		.EQU	512		; SIZE OF RAM IN KB (MUST MATCH YOUR HARDWARE!!!)
+ROMSIZE		.EQU	512		; SIZE OF ROM IN KB (MUST MATCH YOUR HARDWARE!!!)
 ROMSIZE_CHK	.EQU	0		; ROMSIZE VALUE VEREIFICATION (0=DISABLED)
 MEMMGR		.EQU	MM_SBC		; MEMORY MANAGER: MM_[SBC|Z2|N8|Z180|Z280|MBC|RPH]
 MPCL_RAM	.EQU	$78		; SBC MEM MGR RAM PAGE SELECT REG (WRITE ONLY)
@@ -75,6 +76,9 @@ DSRTCENABLE	.EQU	TRUE		; DSRTC: ENABLE DS-1302 CLOCK DRIVER (DSRTC.ASM)
 DSRTCMODE	.EQU	DSRTCMODE_STD	; DSRTC: OPERATING MODE: DSRTC_[STD|MFPIC]
 DSRTCCHG	.EQU	FALSE		; DSRTC: FORCE BATTERY CHARGE ON (USE WITH CAUTION!!!)
 ;
+DS1501RTCENABLE	.EQU	FALSE		; DS1501RTC: ENABLE DS-1501 CLOCK DRIVER (DS1501RTC.ASM)
+DS1501RTC_BASE	.EQU	$50		; DS1501RTC: I/O BASE ADDRESS
+;
 BQRTCENABLE	.EQU	FALSE		; BQRTC: ENABLE BQ4845 CLOCK DRIVER (BQRTC.ASM)
 BQRTC_BASE	.EQU	$50		; BQRTC: I/O BASE ADDRESS
 ;

Source/HBIOS/cfg_zeta2.asm

@@ -11,7 +11,7 @@
 ; THIS FILE CAN BE CONSIDERED A REFERENCE THAT LISTS ALL POSSIBLE CONFIGURATION SETTINGS
 ; FOR THE PLATFORM.
 ;
-#DEFINE PLATFORM_NAME "ZETA V2"
+#DEFINE PLATFORM_NAME "Zeta 2", " [", CONFIG, "]"
 ;
 #INCLUDE "hbios.inc"
 ;
@@ -33,6 +33,7 @@ INTMODE		.EQU	2		; INTERRUPTS: 0=NONE, 1=MODE 1, 2=MODE 2, 3=MODE 3 (Z280)
 DEFSERCFG	.EQU	SER_38400_8N1	; DEFAULT SERIAL LINE CONFIG (SEE STD.ASM)
 ;
 RAMSIZE		.EQU	512		; SIZE OF RAM IN KB (MUST MATCH YOUR HARDWARE!!!)
+ROMSIZE		.EQU	512		; SIZE OF ROM IN KB (MUST MATCH YOUR HARDWARE!!!)
 ROMSIZE_CHK	.EQU	0		; ROMSIZE VALUE VEREIFICATION (0=DISABLED)
 MEMMGR		.EQU	MM_Z2		; MEMORY MANAGER: MM_[SBC|Z2|N8|Z180|Z280|MBC|RPH]
 MPGSEL_0	.EQU	$78		; Z2 MEM MGR BANK 0 PAGE SELECT REG (WRITE ONLY)
@@ -86,6 +87,9 @@ DSRTCENABLE	.EQU	TRUE		; DSRTC: ENABLE DS-1302 CLOCK DRIVER (DSRTC.ASM)
 DSRTCMODE	.EQU	DSRTCMODE_STD	; DSRTC: OPERATING MODE: DSRTC_[STD|MFPIC]
 DSRTCCHG	.EQU	FALSE		; DSRTC: FORCE BATTERY CHARGE ON (USE WITH CAUTION!!!)
 ;
+DS1501RTCENABLE	.EQU	FALSE		; DS1501RTC: ENABLE DS-1501 CLOCK DRIVER (DS1501RTC.ASM)
+DS1501RTC_BASE	.EQU	$50		; DS1501RTC: I/O BASE ADDRESS
+;
 BQRTCENABLE	.EQU	FALSE		; BQRTC: ENABLE BQ4845 CLOCK DRIVER (BQRTC.ASM)
 BQRTC_BASE	.EQU	$50		; BQRTC: I/O BASE ADDRESS
 ;

Source/HBIOS/ds1501rtc.asm

@@ -0,0 +1,397 @@
+
+;
+;==================================================================================================
+; Maxim DS1501/DS1511 Y2K-Compliant Watchdog RTC Driver
+;==================================================================================================
+;
+; THIS DRIVER CODE WAS CONTRIBUTED TO ROMWBW BY JPELLETIER 3:59 PM 7/24/2022
+;
+;  Register Addresses (HEX / BCD):
+;
+;  +---+-----+---------------+-------------------+------------------+----------------+
+;  |ADR|  D7 | D6  | D5 | D4 | D3 | D2 | D1 | D0 | RANGE            | REGISTER       |
+;  +---+-----+---------------+-------------------+------------------+----------------+
+;  | 0 |  0  |     10-Second |          1-Second |            00-59 | Seconds        |
+;  +---+-----+-----+---------+-------------------+------------------+----------------+
+;  | 1 |  0  |     10-Minute |          1-Minute |            00-59 | Minutes        |
+;  +---+-----+-----+---------+-------------------+------------------+----------------+
+;  | 2 |  0  |  0  | 10-Hour |            1-Hour |            00-23 | Hours          |
+;  +---+-----+-----+----+----+-------------------+------------------+----------------+
+;  | 3 |  0  |  0  |  0 |  0 |  0 |  Day Of Week |            01-07 | Day Of Week    |
+;  +---+-----+-----+----+----+----+--------------+------------------+----------------+
+;  | 4 |  0  |  0  | 10-Date |            1-Date |            01-31 | Date           |
+;  +---+-----+-----+----+----+-------------------+------------------+----------------+
+;  | 5 |/EOSC|/E32K|BB32|10Mo|           1-Month |            01-12 | Month          |
+;  +---+-----+-----+----+----+-------------------+------------------+----------------+
+;  | 6 |             10-Year |            1-Year |            00-99 | Year           |
+;  +---+-----+-----+----+----+----+----+----+----+------------------+----------------+
+;  | 7 |          10-Century |         1-Century |            00-39 | Century        |
+;  +---+-----+-----+----+----+----+----+----+----+------------------+----------------+
+;  | 8 |  AM1|     10-Second |          1-Second |            00-59 | Seconds Alarm  |
+;  +---+-----+---------------+-------------------+------------------+----------------+
+;  | 9 |  AM2|     10-Minute |          1-Minute |            00-59 | Minutes Alarm  |
+;  +---+-----+-----+---------+-------------------+------------------+----------------+
+;  | A |  AM3|  0  | 10-Hour |            1-Hour |            00-23 | Hours Alarm    |
+;  +---+-----+-----+----+----+-------------------+------------------+----------------+
+;  | B |  AM4|DY/DT| 10-date |          Day/Date |        1-7/01-31 | Day/Date Alarm |
+;  +---+-----+-----+----+----+----+--------------+------------------+----------------+
+;  | C |          0.1-Second |       0.01-Second |            00-99 | Watchdog       |
+;  +---+-----+-----+---------+-------------------+------------------+----------------+
+;  | D |           10-Second |          1-Second |            00-99 | Watchdog       |
+;  +---+-----+-----+---------+-------------------+------------------+----------------+
+;  | E | BLF1| BLF2| PRS| PAB| TDF| KSF| WDF|IRQF|                  | ControlA       |
+;  +---+-----+-----+----+----+----+----+----+----+------------------+----------------+
+;  | F |   TE|   CS| BME| TPE| TIE| KIE| WDE| WDS|                  | ControlB       |
+;  +---+-----+-----+----+----+----+----+----+----+------------------+----------------+
+;  |10 |           Extended RAM Address          |            00-FF | RAM Address    |
+;  +---+-----+-----+----+----+----+----+----+----+------------------+----------------+
+;  |11 |                 Reserved                |                  |                |
+;  +---+-----+-----+----+----+----+----+----+----+------------------+----------------+
+;  |12 |                 Reserved                |                  |                |
+;  +---+--+--+-----+----+----+----+----+----+----+------------------+----------------+
+;  |13 |             Extended RAM Data           |            00-FF | RAM Data       |
+;  +---+--+--+-----+----+----+----+----+----+----+------------------+----------------+
+;  |14-1F |              Reserved                |                  |                |
+;  +------+--+-----+----+----+----+----+----+----+------------------+----------------+
+
+;  * = Unused bits; unwritable and read as 0.
+;  0 = should be set to 0 for valid time/calendar range.
+;  Clock calendar data is BCD. Automatic leap year adjustment.
+;  Day-Of-Week coded as Sunday = 1 through Saturday = 7.
+
+; Constants
+
+;By defining 2 bases, this allows some flexibility for address decoding
+DS1501NVM_BASE      .EQU    DS1501RTC_BASE + $10
+
+DS1501RTC_SEC	    .EQU	DS1501RTC_BASE + $00
+DS1501RTC_MIN	    .EQU	DS1501RTC_BASE + $01
+DS1501RTC_HOUR	    .EQU	DS1501RTC_BASE + $02
+DS1501RTC_WEEK_DAY	.EQU	DS1501RTC_BASE + $03
+DS1501RTC_DAY	    .EQU	DS1501RTC_BASE + $04
+DS1501RTC_MONTH	    .EQU	DS1501RTC_BASE + $05
+DS1501RTC_YEAR	    .EQU	DS1501RTC_BASE + $06
+DS1501RTC_CENT      .EQU	DS1501RTC_BASE + $07
+DS1501RTC_SEC_ALM	.EQU	DS1501RTC_BASE + $08
+DS1501RTC_MIN_ALM	.EQU	DS1501RTC_BASE + $09
+DS1501RTC_HOUR_ALM	.EQU	DS1501RTC_BASE + $0A
+DS1501RTC_DAY_ALM	.EQU	DS1501RTC_BASE + $0B
+DS1501RTC_WDOG1     .EQU	DS1501RTC_BASE + $0C
+DS1501RTC_WDOG2 	.EQU	DS1501RTC_BASE + $0D
+DS1501RTC_CONTROLA	.EQU	DS1501RTC_BASE + $0E
+DS1501RTC_CONTROLB	.EQU	DS1501RTC_BASE + $0F
+
+DS1501RTC_RAMADDR	.EQU	DS1501NVM_BASE + $00
+DS1501RTC_RAMDATA	.EQU	DS1501NVM_BASE + $03
+
+DS1501RTC_HIGH	.EQU	%11110000
+DS1501RTC_LOW	.EQU	%00001111
+
+;ControlA bit masks
+;BLF1| BLF2| PRS| PAB| TDF| KSF| WDF|IRQF
+DS1501RTC_IRQF	.EQU	%00000001
+DS1501RTC_WDF	.EQU	%00000010
+DS1501RTC_KSF	.EQU	%00000100
+DS1501RTC_TDF	.EQU	%00001000
+DS1501RTC_PAB	.EQU	%00010000
+DS1501RTC_PRS 	.EQU	%00100000
+DS1501RTC_BLF2  .EQU	%01000000
+DS1501RTC_BLF1	.EQU	%10000000
+
+;ControlB bit masks
+;TE| CS| BME| TPE| TIE| KIE| WDE| WDS|
+DS1501RTC_WDS 	.EQU	%00000001
+DS1501RTC_WDE	.EQU	%00000010
+DS1501RTC_KIE	.EQU	%00000100
+DS1501RTC_TIE	.EQU	%00001000
+DS1501RTC_TPE	.EQU	%00010000
+DS1501RTC_BME 	.EQU	%00100000
+DS1501RTC_CS    .EQU	%01000000
+DS1501RTC_TE	.EQU	%10000000
+
+DS1501RTC_BUFSIZE	.EQU	6		; 6 BYTE BUFFER (YYMMDDHHMMSS)
+
+; RTC Device Initialization Entry
+
+DS1501RTC_INIT:
+	CALL	NEWLINE				; Formatting
+	PRTS("DS1501RTC: IO=0x$")
+	LD	A, DS1501RTC_BASE
+	CALL	PRTHEXBYTE
+
+	CALL	NEWLINE				; Formatting
+	PRTS("DS1501NVM: IO=0x$")
+	LD	A, DS1501NVM_BASE
+	CALL	PRTHEXBYTE
+
+    IN	A,(DS1501RTC_CONTROLB)      ;clear any pending interrupt flags
+
+	XOR	A				; Zero A
+    OR      DS1501RTC_TE            ;enable time updates
+    OUT	(DS1501RTC_CONTROLB), A
+
+	CALL	DS1501RTC_LOAD
+	; DISPLAY CURRENT TIME
+	PRTS("  $")
+	LD	A, (DS1501RTC_BUF_MON)
+	CALL	PRTHEXBYTE
+	PRTS("/$")
+	LD	A, (DS1501RTC_BUF_DAY)
+	CALL	PRTHEXBYTE
+	PRTS("/$")
+	LD	A, (DS1501RTC_BUF_YEAR)
+	CALL	PRTHEXBYTE
+	PRTS(" $")
+	LD	A, (DS1501RTC_BUF_HOUR)
+	CALL	PRTHEXBYTE
+	PRTS(":$")
+	LD	A, (DS1501RTC_BUF_MIN)
+	CALL	PRTHEXBYTE
+	PRTS(":$")
+	LD	A, (DS1501RTC_BUF_SEC)
+	CALL	PRTHEXBYTE
+
+	LD	BC,DS1501RTC_DISPATCH
+	CALL	RTC_SETDISP
+
+	XOR	A				; Signal success
+	RET
+
+; RTC Device Function Dispatch Entry
+;   A: Result (OUT), 0=OK, Z=OK, NZ=Error
+;   B: Function (IN)
+
+DS1501RTC_DISPATCH:
+	LD	A, B				; Get requested function
+	AND	$0F				; Isolate Sub-Function
+	JP	Z, DS1501RTC_GETTIM			; Get Time
+	DEC	A
+	JP	Z, DS1501RTC_SETTIM			; Set Time
+	DEC	A
+	JP	Z, DS1501RTC_GETBYT			; Get NVRAM Byte Value
+	DEC	A
+	JP	Z, DS1501RTC_SETBYT			; Set NVRAM Byte Value
+	DEC	A
+	JP	Z, DS1501RTC_GETBLK			; Get NVRAM Data Block Value
+	DEC	A
+	JP	Z, DS1501RTC_SETBLK			; Set NVRAM Data Block Value
+	DEC	A
+	JP	Z, DS1501RTC_GETALM			; Get Alarm
+	DEC	A
+	JP	Z, DS1501RTC_SETALM			; Set Alarm
+;
+; NVRAM FUNCTIONS ARE NOT IMPLEMENTED YET
+;
+DS1501RTC_GETBYT:
+DS1501RTC_SETBYT:
+DS1501RTC_GETBLK:
+DS1501RTC_SETBLK:
+	CALL	PANIC
+
+; RTC Get Time
+;   A: Result (OUT), 0=OK, Z=OK, NZ=Error
+;   HL: Date/Time Buffer (OUT)
+; Buffer format is BCD: YYMMDDHHMMSS
+; 24 hour time format is assumed
+;
+DS1501RTC_GETTIM:
+	EX	DE, HL
+	CALL	DS1501RTC_LOAD
+	; Now copy to read destination (Interbank Save)
+	LD	A, BID_BIOS			; Copy from BIOS bank
+	LD	(HB_SRCBNK), A			; Set it
+	LD	A, (HB_INVBNK)			; Copy to current user bank
+	LD	(HB_DSTBNK), A			; Set it
+	LD	BC, DS1501RTC_BUFSIZE		; Length is 6 bytes
+#IF (INTMODE == 1)
+	DI
+#ENDIF
+	CALL	HB_BNKCPY			; Copy the clock data
+#IF (INTMODE == 1)
+	EI
+#ENDIF
+;
+	; CLEAN UP AND RETURN
+	XOR	A				; SIGNAL SUCCESS
+	RET					; AND RETURN
+;
+; RTC Set Time
+;   A: Result (OUT), 0=OK, Z=OK, NZ=Error
+;   HL: Date/Time Buffer (IN)
+; Buffer Format is BCD: YYMMDDHHMMSS
+; 24 hour time format is assumed
+;
+DS1501RTC_SETTIM:
+;
+	; Copy incoming time data to our time buffer
+	LD	A, (HB_INVBNK)			; Copy from current user bank
+	LD	(HB_SRCBNK), A			; Set it
+	LD	A, BID_BIOS			; Copy to BIOS bank
+	LD	(HB_DSTBNK), A			; Set it
+	LD	DE, DS1501RTC_BUF			; Destination Address
+	LD	BC, DS1501RTC_BUFSIZE		; Length is 6 bytes
+#IF (INTMODE == 1)
+	DI
+#ENDIF
+	CALL	HB_BNKCPY			; Copy the clock data
+#IF (INTMODE == 1)
+	EI
+#ENDIF
+	; Write to clock
+	LD	HL, DS1501RTC_BUF
+	CALL	DS1501RTC_SUSPEND
+	LD	A, (HL)
+	OUT	(DS1501RTC_YEAR), A			; Write Year
+	INC	HL
+	LD	A, (HL)
+	OUT	(DS1501RTC_MONTH), A		; Write Month
+	INC	HL
+	LD	A, (HL)
+	OUT	(DS1501RTC_DAY), A			; Write Day
+	INC	HL
+	LD	A, (HL)
+	OUT	(DS1501RTC_HOUR), A			; Write Hour
+	INC	HL
+	LD	A, (HL)
+	OUT	(DS1501RTC_MIN), A			; Write Minute
+	INC	HL
+	LD	A, (HL)
+	OUT	(DS1501RTC_SEC), A			; Write Second
+	CALL	DS1501RTC_RESUME
+	; clean up and return
+	XOR	A				; Signal success
+	RET					; And return
+
+; RTC Get Alarm
+;   A: Result (OUT), 0=OK, Z=OK, NZ=Error
+;   HL: Date/Time Buffer (OUT)
+; Buffer format is BCD: YYMMDDHHMMSS
+; 24 hour time format is assumed
+;
+DS1501RTC_GETALM:
+	EX	DE, HL
+	LD	HL, DS1501RTC_BUF
+	PUSH	HL				; Save address of source buffer
+	CALL	DS1501RTC_SUSPEND
+	XOR	A
+	LD	(HL), A				; Read Year
+	INC	HL
+	LD	(HL), A				; Read Month
+	INC	HL
+	IN	A, (DS1501RTC_DAY_ALM)		; Read Day
+	LD	(HL), A
+	INC	HL
+	IN	A, (DS1501RTC_HOUR_ALM)		; Read Hour
+	LD	(HL), A
+	INC	HL
+	IN	A, (DS1501RTC_MIN_ALM)		; Read Minute
+	LD	(HL), A
+	INC	HL
+	IN	A, (DS1501RTC_SEC_ALM)		; Read Second
+	LD	(HL), A
+	CALL	DS1501RTC_RESUME
+	POP	HL				; Restore address of source buffer
+	; Now copy to read destination (Interbank Save)
+	LD	A, BID_BIOS			; Copy from BIOS bank
+	LD	(HB_SRCBNK), A			; Set it
+	LD	A, (HB_INVBNK)			; Copy to current user bank
+	LD	(HB_DSTBNK), A			; Set it
+	LD	BC, DS1501RTC_BUFSIZE		; Length is 6 bytes
+#IF (INTMODE == 1)
+	DI
+#ENDIF
+	CALL	HB_BNKCPY			; Copy the clock data
+#IF (INTMODE == 1)
+	EI
+#ENDIF
+;
+	; CLEAN UP AND RETURN
+	XOR	A				; SIGNAL SUCCESS
+	RET					; AND RETURN
+;
+; RTC Set Alarm
+;   A: Result (OUT), 0=OK, Z=OK, NZ=Error
+;   HL: Date/Time Buffer (IN)
+; Buffer Format is BCD: YYMMDDHHMMSS
+; 24 hour time format is assumed
+;
+DS1501RTC_SETALM:
+	; Copy incoming time data to our time buffer
+	LD	A, (HB_INVBNK)			; Copy from current user bank
+	LD	(HB_SRCBNK), A			; Set it
+	LD	A, BID_BIOS			; Copy to BIOS bank
+	LD	(HB_DSTBNK), A			; Set it
+	LD	DE, DS1501RTC_BUF			; Destination Address
+	LD	BC, DS1501RTC_BUFSIZE		; Length is 6 bytes
+#IF (INTMODE == 1)
+	DI
+#ENDIF
+	CALL	HB_BNKCPY			; Copy the clock data
+#IF (INTMODE == 1)
+	EI
+#ENDIF
+	; Write to clock
+	LD	HL, DS1501RTC_BUF_DAY
+	CALL	DS1501RTC_SUSPEND
+	LD	A, (HL)
+	OUT	(DS1501RTC_DAY_ALM), A		; Write Day
+	INC	HL
+	LD	A, (HL)
+	OUT	(DS1501RTC_HOUR_ALM), A		; Write Hour
+	INC	HL
+	LD	A, (HL)
+	OUT	(DS1501RTC_MIN_ALM), A		; Write Minute
+	INC	HL
+	LD	A, (HL)
+	OUT	(DS1501RTC_SEC_ALM), A		; Write Second
+	CALL	DS1501RTC_RESUME
+	; clean up and return
+	XOR	A				; Signal success
+	RET					; And return
+
+DS1501RTC_SUSPEND:
+	IN	A, (DS1501RTC_CONTROLB)		; Suspend Clock
+	AND	~DS1501RTC_TE
+	OUT	(DS1501RTC_CONTROLB), A
+	RET
+
+DS1501RTC_RESUME:
+	IN	A, (DS1501RTC_CONTROLB)		; Resume Clock
+	OR	DS1501RTC_TE
+	OUT	(DS1501RTC_CONTROLB), A
+	RET
+
+DS1501RTC_LOAD:
+	LD	HL, DS1501RTC_BUF
+	PUSH	HL				; Save address of source buffer
+	CALL	DS1501RTC_SUSPEND
+	IN	A, (DS1501RTC_YEAR)			; Read Year
+	LD	(HL), A
+	INC	HL
+	IN	A, (DS1501RTC_MONTH)		; Read Month
+	LD	(HL), A
+	INC	HL
+	IN	A, (DS1501RTC_DAY)			; Read Day
+	LD	(HL), A
+	INC	HL
+	IN	A, (DS1501RTC_HOUR)			; Read Hour
+	LD	(HL), A
+	INC	HL
+	IN	A, (DS1501RTC_MIN)			; Read Minute
+	LD	(HL), A
+	INC	HL
+	IN	A, (DS1501RTC_SEC)			; Read Second
+	LD	(HL), A
+	CALL	DS1501RTC_RESUME
+	POP	HL				; Restore address of source buffer
+	RET
+
+; Working Variables
+
+DS1501RTC_BUF:
+DS1501RTC_BUF_YEAR:	.DB	0		; Year
+DS1501RTC_BUF_MON:	.DB	0		; Month
+DS1501RTC_BUF_DAY:	.DB	0		; Day
+DS1501RTC_BUF_HOUR:	.DB	0		; Hour
+DS1501RTC_BUF_MIN:	.DB	0		; Minute
+DS1501RTC_BUF_SEC:	.DB	0		; Second

Source/HBIOS/hbios.asm

@@ -219,6 +219,7 @@ RTCDEF		.SET	RTCDEF | %00001000	; INITIAL SPEED LOW
 ;
 	.FILL	(000H - $),0FFH		; RST 0
 	JP	HB_START
+	.DB	0			; SIG PTR STARTS AT $0004
 	.DW	ROM_SIG
 	.FILL	(008H - $),0FFH		; RST 8
 	JP	HB_INVOKE		; INVOKE HBIOS FUNCTION
@@ -3005,6 +3006,9 @@ HB_INITTBL:
 #IF (DSRTCENABLE)
 	.DW	DSRTC_INIT
 #ENDIF
+#IF (DS1501RTCENABLE)
+	.DW	DS1501RTC_INIT
+#ENDIF
 #IF (BQRTCENABLE)
 	.DW	BQRTC_INIT
 #ENDIF
@@ -5772,6 +5776,15 @@ SIZ_DSRTC	.EQU	$ - ORG_DSRTC
 		.ECHO	" bytes.\n"
 #ENDIF
 ;
+#IF (DS1501RTCENABLE)
+ORG_DS1501RTC	.EQU	$
+  #INCLUDE "ds1501rtc.asm"
+SIZ_DS1501RTC	.EQU	$ - ORG_DS1501RTC
+		.ECHO	"DS1501RTC occupies "
+		.ECHO	SIZ_DS1501RTC
+		.ECHO	" bytes.\n"
+#ENDIF
+;
 #IF (BQRTCENABLE)
 ORG_BQRTC	.EQU	$
   #INCLUDE "bqrtc.asm"

Source/HBIOS/hbios_env.asm

@@ -0,0 +1,82 @@
+;
+;==================================================================================================
+;   HBIOS ENVIRONMENT CONFIG VALUE EXPORT TOOL
+;==================================================================================================
+;
+; Do we need a private stack???
+;
+#include "std.asm"
+;
+; Macro to make it simple to print a config value
+;
+#define	prtval(tag,val) \
+#defcont \	call	PREFIX
+#defcont \	call	PRTSTRD
+#defcont \	.text	tag
+#defcont \	call	PRTEQ
+#defcont \	ld	hl,val
+#defcont \	call	PRTDEC
+#defcont \	call	EOL
+;
+; Program starts here
+;
+	.org	$100			; Normal CP/M start address
+;
+; Print all desired config values...
+;
+	prtval("ROMSIZE$", ROMSIZE)
+	prtval("CPUFAM$", CPUFAM)
+;
+	ret
+;
+; Output correct prefix for command/shell
+;
+PREFIX:
+#ifdef CMD
+	call	PRTSTRD
+	.text	"set $"
+#endif
+	ret
+;
+; Output an equal sign
+;
+PRTEQ:
+	ld	a,'='
+	call	COUT
+	ret
+;
+; Output end-of-line.  Handles differences between
+; DOS/Windows and Unix.
+;
+EOL:
+#ifdef CMD
+	ld	a,13
+	call	COUT
+#endif
+	ld	a,10
+	call	COUT
+	ret
+
+;
+; Print a single character from register A.
+; This routine is required by the utility routines included below.
+;
+COUT:
+	push	af
+	push	bc
+	push	de
+	push	hl
+	ld	e,a
+	ld	c,2
+	call	$0005
+	pop	hl
+	pop	de
+	pop	bc
+	pop	af
+	ret
+;
+; Include the utility routines
+;
+#include "util.asm"
+;
+	.end

Source/ReadMe.txt

@@ -296,13 +296,10 @@ For example:
 In this case, you will not be prompted.  This is useful if you wish 
 to automate your build process.
 
-There is a third parameter that you can specify to the BuildROM 
-command via a command line.  If you want to build a 1024K (1MB) ROM, 
-you can add "1024" to the end of the line, like this:
-
-    C:\RomWBW\Source> BuildROM MK4 cust 1024
-
-You must ensure that your system actually supports a 1024K ROM.
+In the past, the size of the ROM could be specified as the third
+parameter of the command.  This parameter is now deprecated and
+the size of the ROM is specified in your configuration file
+using the ROMSIZE variable.
 
 Special Build Commands
 ----------------------

Source/ZCPR-DJ/Build.cmd

@@ -10,4 +10,7 @@ set TASMTABS=%TOOLS%\tasm32
 set CPMDIR80=%TOOLS%/cpm/
 
 zxcc M80 -=zcpr/l || exit /b
-zxcc L80 -zcpr,zcpr.bin/n/e || exit /b
+zxcc L80 -zcpr,zcpr.bin/n/e || exit /b
+
+zxcc M80 -=zcprdemo/l || exit /b
+zxcc L80 -zcprdemo,zcprdemo/n/e || exit /b

Source/ZCPR-DJ/Clean.cmd

@@ -5,3 +5,4 @@ if exist *.bin del *.bin
 if exist *.lst del *.lst
 if exist *.rel del *.rel
 if exist *.prn del *.prn
+if exist *.com del *.com

Source/ZCPR-DJ/Makefile

@@ -1,10 +1,13 @@
 
-OBJECTS= zcpr.bin
+OBJECTS= zcpr.bin zcprdemo.com
 
-OTHERS = zcpr.rel
+OTHERS = *.rel
 
 TOOLS = ../../Tools
 include $(TOOLS)/Makefile.inc
 
 zcpr.bin: zcpr.rel
 	$(ZXCC) L80 -zcpr,zcpr.bin/n/e
+
+zcprdemo.com: zcprdemo.rel
+	$(ZXCC) L80 -zcprdemo,zcprdemo/n/e

Source/ZCPR-DJ/zcpr.mac

@@ -1,4 +1,4 @@
-;   DATE 05/17/21 08:34:00
+;   DATE 06/02/21 08:08:00
 ;
 ;	TITLE	ZCPR Console Command Processor - Version D&J
 ;	SUBTTL	Last Modified: 10 August 1997
@@ -396,12 +396,15 @@ CIBUFF:	DB	'             '	;DEFAULT (COLD BOOT) COMMAND 	 13
 	db	0,0,0,0,0,0,0,0	;77
 	db	0,0,0,0,0,0,0,0	;85
 	db	0,0,0,0,0,0,0,0	;93
-	db	0,0,0,0,0,0,0,0	;101
-	db	0,0,0,0,0,0,0,0	;109
+	db	0,0,0		;96
+;	DEFB	0,0,0,0,0,0,0,0	;101
+;	DEFB	0,0,0	;104
+;	DEFB	0,0,0,0,0,0,0,0	;109
+;	DEFB	0,0,0,0,0,0,0,0 ;118
 BUFEND	EQU	$
 ;	DEFW	0		;SENTINEL FOR STACK END
 	db	0,0
-;	DEFS	24		;STACK AREA
+	DEFS	24,0		;STACK AREA
 STACK	EQU	$		;TOP OF STACK
 ;
 ; SUBMIT FILE CONTROL BLOCK
@@ -427,7 +430,7 @@ FCBS2:	db	0		;S2
 FCBRC:	db	0		;RECORD COUNT
 FCBDM:	db	0,0,0,0,0,0,0,0	;DISK GROUP MAP
 	db	0,0,0,0,0,0,0,0
-FCBCR:	DEFS	1		;CURRENT RECORD NUMBER
+FCBCR:	db	0		;CURRENT RECORD NUMBER
 ;
 ; Type and List Variables
 ;
@@ -466,7 +469,7 @@ CMDTBL:
 	DEFW	RING
 	DC	'CLS'
 	DEFW	CLS
-	DC	'WAIT'	; was 'SAK' ("strike any key")
+	DC	'SAK'	; "Strike Any Key"
 	DEFW	SAK
 	DC	'GO'
 	DEFW	GO

Source/ZCPR-DJ/zcprdemo.mac

@@ -1,6 +1,8 @@
-	TITLE	ZCPR Console Command Processor - Version D&J
-	SUBTTL	Last Modified: 5 March 1994
+;   DATE 06/02/21 08:08:00
 ;
+;	TITLE	ZCPR Console Command Processor - Version D&J
+;	SUBTTL	Last Modified: 10 August 1997
+
 ;  CP/M Z80 Command Processor Replacement (CPR) Version 1.0
 ;	CCPZ CREATED AND CUSTOMIZED FOR ARIES-II BY RLC
 ;	FURTHER MODIFIED BY RGF AS V2.0
@@ -66,6 +68,13 @@
 ;
 ; Added PEEK 30 August 1993.
 ;
+; Added CLS 10 August 1997 and fixed two bugs.	One caused the system to
+; hang if the command to log into another drive was given while logged
+; into a drive from which the disk had been removed.  The other caused
+; a warm boot to return to the prior user area if the new user number
+; had been selected using the USER command (although not if the user area
+; had been changed using the du: command).
+;
 ;******** Structure Notes ********
 ;
 ;	This CPR is divided into a number of major sections. The following
@@ -86,39 +95,40 @@
 ;
 ;    3		Utilities
 ;			CRLF	PRINTC	PRINT	PRINTS	BELL
-;			CONOUT	BREAK	CHKETX	ABORT	READF
-;			READ	WRITE	DEFDMA	DMASET	SEARF
-;			SEARDE	SEARN	OPENF	OPEN	CLOSE
-;			CREATE	BDOSFN	SUBKIL	DELETE	TLOGIN
-;			DLOGIN	LOGIN	NEWUSR	RSTUSR	SETUSR
-;			BDOSEA	BDOSJP	BDOSBC	BDOSDE
+;			CLS	CONOUT	BREAK	CHKETX	ABORT
+;			READF	READ	WRITE	DEFDMA	DMASET
+;			SEARF	SEARDE	SEARN	OPENF	OPEN
+;			CLOSE	CREATE	BDOSFN	SUBKIL	DELETE
+;			TLOGIN	DLOGIN	LOGIN	NEWUSR	RSTUSR
+;			SETUSR	BDOSEA	BDOSJP	BDOSBC	BDOSDE
 ;
 ;     4 	CPR Utilities
 ;			PROMPT	REDBUF	CNVBUF	UCASE	SDELM
 ;			ADVAN	SBLANK	ADDAH	NUMBER	A2NUM
 ;			HEXNUM	USRNUM	ERROR	DIRPTR	ULOGIN
-;			SCANER	SCANT	SCANF	CMDSER	SETUDB
+;			SCANER	SCANT	SCANF	CMDSER
 ;
 ;     5 	CPR-Resident Commands and Functions
 ;     5A		DIR	DIRPR	PRFN
 ;     5B		ERA
 ;     5C		ERAQ	PRNNF
 ;     5D		SAK	REPLY
-;     5E		BELL
-;     5F		LIST
-;     5G		TYPE	PAGER
-;     5H		EJECT	
-;     5I		SAVE
-;     5J	 	REN
-;     5K		USER	SUSER
-;     5L		DFU
-;     5M		SCL
-;     5N		PEEK
-;     5O		POKE	
-;     5P		JUMP
-;     5Q		COM
-;     5R		GO 	CLLPRG	ERRLOG	ERRJMP
-;     5S		GET	MEMLD	PRNLE
+;     5E		CLS
+;     5F		BELL
+;     5G		LIST
+;     5H		TYPE	PAGER
+;     5I		EJECT	
+;     5J		SAVE
+;     5K		REN
+;     5L		USER	SUSER
+;     5M		DFU
+;     5N		SCL
+;     5O		PEEK
+;     5P		POKE	
+;     5Q		JUMP
+;     5R		COM	UPDATE
+;     5S		GO	CLLPRG	ERRLOG	ERRJMP
+;     5T		GET	MEMLD	PRNLE
 ;     BIOS		BOOT
 ;
 ;
@@ -142,13 +152,14 @@ TRUE	EQU	NOT FALSE
 ;
 ;  P2DOS  - Address of BDOS/P2DOS.
 ;
-TEST	EQU	FALSE	 	;SET TO LOAD/RUN AT 8000H FOR DEBUG
+TEST	EQU	TRUE	 	;SET TO LOAD/RUN AT 8000H FOR DEBUG
 COMLD	EQU	FALSE		;SET TO LOAD AND EXECUTE AS A .COM FILE
 REL	EQU	FALSE		;SET TO TRUE FOR MOVCPM INTEGRATION
 				;LEAVE ALL FALSE FOR SYSGEN IMAGE
 ;
 BASE	EQU	0		;BASE OF CP/M SYSTEM
-P2DOS	EQU	0E400H		;BASE OF BDOS/P2DOS
+;P2DOS	EQU	0E400H		;BASE OF BDOS/P2DOS (original)
+P2DOS	EQU	0D800H		;BASE OF BDOS/P2DOS (Retro-Brew)
 ZCPRSZ	EQU	00800H		;SIZE OF ZCPR
 P2DOSSZ	EQU	00E00H		;SIZE OF P2DOS	
 BIOS	EQU	P2DOS+P2DOSSZ	;BASE OF BIOS
@@ -243,7 +254,7 @@ SOFLG	EQU	'S'		;LIST $SYS ONLY
 ;
 ; List and Type command customization equates
 ;
-NLINES	EQU	20		;NUMBER OF LINES ON CRT PAGE
+NLINES	EQU	22		;NUMBER OF LINES ON CRT PAGE
 NLINEP	EQU	60		;NUMBER OF LINES ON LIST DEVICE
 FFKILL	EQU	TRUE		;TRUE SUPPRESSES FF UNTIL FIRST CHARACTER
 PGDFLG	EQU	'P'		;TYPE AND LIST COMMAND DEFAULT TOGGLE
@@ -254,14 +265,17 @@ NOSTAT	EQU	FALSE		;SET TO TRUE IF BIOS LISTST NOT IMPLEMENTED
 BUFLEN	EQU	80		;SIZE OF COMMAND INPUT BUFFER 
 MAXUSR	EQU	15		;MAXIMUM USER NUMBER ACCESSIBLE
 DEFUSR	EQU	0		;DEFAULT USER NUMBER FOR COM FILES
+DEFDRV	EQU	'A'		;DEFAULT DRIVE FOR COM FILES
 SPRMPT	EQU	'$'		;CPR PROMPT INDICATING SUBMIT COMMAND
-COMCHR	EQU	';'		;BEGIN COMMENT CHARACTER
+COMCHR	EQU	'%'		;BEGIN COMMENT CHARACTER
 CMDCHR	EQU	';'		;BEGIN NEXT COMMAND CHARACTER
 NUMBASE	EQU	'H'		;CHARACTER USED TO SPECIFY HEXIDECIMAL BASE
 RECFLG	EQU	'R'		;CHARACTER FOR SAVE COMMAND TO SAVE RECORDS
 SUPRES	EQU	TRUE		;TRUE TO SUPPRESS USER NUMBER FOR USER 0
 MULTPL	EQU	TRUE		;TRUE TO ALLOW MULTIPLE COMMANDS ON ONE LINE
 REBOOT	EQU	TRUE		;TRUE TO INCLUDE BOOT COMMAND
+CLSCHR	EQU	1AH		;CHARACTER TO CLEAR TERMINAL SCREEN
+ESC	EQU	1BH		;VT100 LEAD-IN CHAR. (FOR 'CLS')
 ;
 	IF	TEST
 CPRMPT	EQU	'<'		;CPR PROMPT INDICATING TEST MODE
@@ -299,7 +313,7 @@ TPA	EQU	BASE+0100H	;BASE OF TPA
 	IF	COMLD OR TEST
 	LD	HL,BGNXFR
 	LD	DE,CPRLOC
-	LD	BC,ENDLD-CPRLOC
+	LD	BC,ENDLD-BGNXFR
 	LDIR
 	LD	BC,(UDFLAG)
 	JP	CPRLOC
@@ -368,15 +382,29 @@ ENTRY:
 ; warm boot reloads ZCPR and destroys the contents of the command buffer.
 ; The multiple command feature may be turned off with the SCL command.
 ;
-MBUFF:	DEFB	BUFLEN		;MAXIMUM BUFFER LENGTH
+;MBUFF:	DEFB	BUFLEN		;MAXIMUM BUFFER LENGTH
+MBUFF:	DEFB	BUFEND-CIBUFF	;MAXIMUM BUFFER LENGTH
 CBUFF:	DEFB	0		;NUMBER OF CHARACTERS IN COMMAND LINE
-CIBUFF:	DEFB	'             '	;DEFAULT (COLD BOOT) COMMAND
-	DEFB	0		;COMMAND STRING TERMINATOR
-	DEFB	'  ZCPR-D&J of 5 March 1994  '
-	DEFB	0		;TERMINATOR FOR DUMP IDENTIFICATION
-	DEFS	BUFLEN-($-CIBUFF)+1
-	DEFW	0		;SENTINEL FOR STACK END
-	DEFS	24		;STACK AREA
+CIBUFF:	DB	'             '	;DEFAULT (COLD BOOT) COMMAND 	 13
+	DEFB	0		;COMMAND STRING TERMINATOR   	 14
+	DEFB	'  ZCPR-D&J of 17 May 2021     '		;44
+	DEFB	0		;TERMINATOR FOR DUMP IDENTIFICATION  45
+;	DEFS	BUFLEN-($-CIBUFF)+1
+	db	0,0,0,0,0,0,0,0	;53
+	db	0,0,0,0,0,0,0,0	;61
+	db	0,0,0,0,0,0,0,0	;69
+	db	0,0,0,0,0,0,0,0	;77
+	db	0,0,0,0,0,0,0,0	;85
+	db	0,0,0,0,0,0,0,0	;93
+	db	0,0,0		;96
+;	DEFB	0,0,0,0,0,0,0,0	;101
+;	DEFB	0,0,0	;104
+;	DEFB	0,0,0,0,0,0,0,0	;109
+;	DEFB	0,0,0,0,0,0,0,0 ;118
+BUFEND	EQU	$
+;	DEFW	0		;SENTINEL FOR STACK END
+	db	0,0
+	DEFS	24,0		;STACK AREA
 STACK	EQU	$		;TOP OF STACK
 ;
 ; SUBMIT FILE CONTROL BLOCK
@@ -393,22 +421,23 @@ SUBCR	EQU	SUBDN+32	;CURRENT RECORD NUMBER
 ;
 ; COMMAND FILE CONTROL BLOCK
 ;
-FCBDN:	DEFS	1		;DISK DRIVE
-FCBFN:	DEFS	8		;FILE NAME
-FCBFT:	DEFS	3		;FILE TYPE
-FCBEX:	DEFS	1		;EXTENT NUMBER
-FCBS1:	DEFS	1		;S1
-FCBS2:	DEFS	1		;S2
-FCBRC:	DEFS	1		;RECORD COUNT
-FCBDM:	DEFS	16		;DISK GROUP MAP
-FCBCR:	DEFS	1		;CURRENT RECORD NUMBER
+FCBDN:	db	0		;DISK DRIVE
+FCBFN:	db	0,0,0,0,0,0,0,0	;FILE NAME
+FCBFT:	db	0,0,0		;FILE TYPE
+FCBEX:	db	0		;EXTENT NUMBER
+FCBS1:	db	0		;S1
+FCBS2:	db	0		;S2
+FCBRC:	db	0		;RECORD COUNT
+FCBDM:	db	0,0,0,0,0,0,0,0	;DISK GROUP MAP
+	db	0,0,0,0,0,0,0,0
+FCBCR:	db	0		;CURRENT RECORD NUMBER
 ;
 ; Type and List Variables
 ;
-CHRCNT:	DEFS	1		;CHARACTER COUNT FOR TYPE AND LIST
-LNCNT:	DEFS	1		;LINE COUNT FOR TYPE AND LIST
-TYPLST:	DEFS	1		;FLAG FOR TYPE OR LIST
-TABCNT:	DEFS	1		;TAB COUNT FOR TYPE AND LIST
+CHRCNT: db	0		;CHARACTER COUNT FOR TYPE AND LIST
+LNCNT:	db	0		;LINE COUNT FOR TYPE AND LIST
+TYPLST: db	0		;FLAG FOR TYPE OR LIST
+TABCNT: db	0		;TAB COUNT FOR TYPE AND LIST
 SYSTST:	DEFB	0		;LIST SYSTEM FILES IN DIRECTORY FLAG
 ;
 ; General Variables
@@ -416,7 +445,7 @@ SYSTST:	DEFB	0		;LIST SYSTEM FILES IN DIRECTORY FLAG
 CIBPTR:	DEFW	CIBUFF		;POINTER TO COMMAND INPUT BUFFER
 CIPTR:	DEFW	CIBUFF		;POINTER TO CURRENT CMD FOR ERROR REPORTING
 TMPUSR:	DEFB	0		;TEMPORARY USER NUMBER
-TDRIVE:	DEFB	0		;DEFAULT DRIVE
+TDRIVE:	DEFB	0		;TEMPORARY DRIVE
 DFUSR:	DEFB	DEFUSR		;DEFAULT USER
 LDADR:	DEFW	TPA		;MEMORY LOAD ADDRESS
 ;
@@ -434,11 +463,13 @@ CMDTBL:
 	DEFW	USER
 	DC	'DFU'
 	DEFW	DFU
-	DC	'PAGE'
+	DC	'FF'	; was 'PAGE'
 	DEFW	EJECT
 	DC	'BELL'
 	DEFW	RING
-	DC	'SAK'
+	DC	'CLS'
+	DEFW	CLS
+	DC	'SAK'	; "Strike Any Key"
 	DEFW	SAK
 	DC	'GO'
 	DEFW	GO
@@ -458,7 +489,7 @@ CMDTBL:
 	DEFW	PEEK
 	DC	'POKE'
 	DEFW	POKE
-NCMNDS	DEFL	17		;NUMBER OF COMMANDS
+NCMNDS	DEFL	18		;NUMBER OF COMMANDS
 ;
 	IF	MULTPL
 	DC	'SCL'
@@ -515,14 +546,11 @@ RS3:
 	JR	Z,RESTRT	;YES, SKIP REST OF LINE
 	CALL	SCANER		;PARSE COMMAND NAME FROM COMMAND LINE
 	JR	NZ,RS4		;ERROR IF NAME CONTAINS A "?"
-	CALL	DEFDMA		;SET TBUFF TO DMA ADDRESS
-	CALL	DLOGIN		;ASSURE PROPER DRIVE
-	CALL	RSTUSR		;ASSURE PROPER USER NUMBER
-	CALL	SETUDB		;SET UD BYTE TO MATCH USER/DRIVE
-	CALL	CMDSER		;SCAN FOR CPR-RESIDENT COMMAND
+	CALL	CMDSER		;SCAN FOR COMMAND
 ;
 ; ENTRY POINT FOR CONTINUED SCAN OF COMMAND LINE
 ;
+	CALL	UPDATE		;UPDATE BDOS/SYSTEM PARAMETERS
 	CALL	ADVAN		;GET ANY CHARACTER
 	JR	Z,RESTRT	;NONE, END OF LINE
 	LD	(CIPTR),DE	;UPDATE START OF LINE IN CASE ERROR
@@ -1023,7 +1051,7 @@ SCAN4:
 	LD	(HL),B		;SAVE DRIVE
 	LD	B,8	 	;MAX OF 8 CHARACTERS
 	XOR	A		;CLEAR '?' COUNT
-	EX	AF,AF		;AND SAVE
+	EX	AF,AF'		;AND SAVE
 	CALL	SCANF		;GET POSSIBLE NAME
 	CALL	SCANT		;AND POSSIBLE TYPE
 ;
@@ -1043,7 +1071,7 @@ SCAN4:
 ; SCAN COMPLETE -- DE POINTS TO DELIMITER BYTE AFTER TOKEN
 ;
 	LD	(CIBPTR),DE
-	EX	AF,AF		;GET NUMBER OF '?' IN FILENAME.TYP
+	EX	AF,AF'		;GET NUMBER OF '?' IN FILENAME.TYP
 	RET	
 ;
 ; EXTRACT FILE TYPE FROM POSSIBLE FILENAME.TYP
@@ -1068,9 +1096,9 @@ SCAN12:
 SCAN13:
 	CP	'?'		;QUESTION MARK?
 	JR	NZ,SCAN14	;NO, JUST STORE CHARACTER
-	EX	AF,AF		;GET QUESTION MARK COUNT
+	EX	AF,AF'		;GET QUESTION MARK COUNT
 	INC	A		;COUNT IT
-	EX	AF,AF		;AND SAVE COUNT
+	EX	AF,AF'		;AND SAVE COUNT
 SCAN14:
 	INC	DE		;POINT TO NEXT CHARACTER IN COMMAND LINE
 	LD	(HL),A		;STORE CHARACTER IN FCBDN
@@ -1096,15 +1124,6 @@ CMDSER:
 	LD	A,(HL)	 	;LOOK FOR DRIVE SPEC
 	DEC	A		;ADJUST FOR LOG IN
 	CALL	P,TLOGIN	;LOG IN DRIVE
-SETUDB:
-	LD	A,(TMPUSR)	;GET CURRENT USER NUMBER
-	ADD	A,A		;PLACE IT IN HIGH NIBBLE
-	ADD	A,A
-	ADD	A,A
-	ADD	A,A
-	LD	HL,TDRIVE	;ADD DEFAULT DRIVE NUMBER (LOW NIBBLE)
-	OR	(HL)
-	LD	(UDFLAG),A	;UPDATE USER/DRIVE BYTE
 	RET
 CMS0:
 	OR	(HL)		;DRIVE OR USER NUMBER
@@ -1124,11 +1143,10 @@ CMS2:
 	LD	A,(DE)		;NEXT CHARACTER IN INPUT COMMAND MUST BE <SP>
 	CP	' '
 	JR	NZ,CMS4
-	LD	A,(HL)		;FOUND COMMAND,
+	LD	E,(HL)		;FOUND COMMAND,
 	INC	HL		;LOAD ADDRESS,
-	LD	H,(HL)		;AND
-	LD	L,A		;JUMP TO IT
-	JP	(HL)		;COMMAND IS CPR-RESIDENT
+	LD	D,(HL)		;AND
+	JR	CMS6		;UPDATE SYSTEM DATA AND EXECUTE
 CMS3:
 	BIT	7,(HL)		;END OF TABLE ENTRY?
 	INC	HL
@@ -1138,7 +1156,10 @@ CMS4:
 	INC	HL
 	DJNZ	CMS1		;NOT TO END OF TABLE YET
 CMS5:
-	JP	COM		;COMMAND MAY BE DISK-RESIDENT
+	LD	DE,COM		;LOAD DESTINATION AND UPDATE
+CMS6:
+	PUSH	DE		;PLACE ROUTINE ADDRESS ON STACK
+	JP	UPDATE		;UPDATE SYSTEM DATA AND EXECUTE
 ;
 ;**** Section 5 ****
 ; CPR-Resident Commands
@@ -1410,6 +1431,21 @@ REPL2:
 	RET	
 ;
 ;Section 5E
+;Command: CLS
+;Function: To clear screen.
+;Forms:
+;	CLS
+;
+CLS:
+;	LD	A,CLSCHR	; Load clear screen character
+;	DEFB	21H		; and skip next instruction
+				; If a multi-character string is
+				; required to clear screen use:
+	CALL	PRINT
+	DB	ESC,'[2','J'+128
+	RET
+;
+;Section 5F
 ;Command: BELL
 ;Function: To ring terminal bell.
 ;Forms:
@@ -1419,7 +1455,7 @@ RING:
 	LD	A,BELL		; load bell into A
 	JP	CONOUT		; and output it
 ;
-;Section 5F
+;Section 5G
 ;Command: LIST
 ;Function: To print specified file on list device.
 ;Forms:
@@ -1436,7 +1472,7 @@ LIST:
 ;
 	JR	TYPE1
 ;
-;Section 5G
+;Section 5H
 ;Command: TYPE
 ;Function: To display specified file on console.
 ;Forms:
@@ -1559,8 +1595,8 @@ PAGER:
 PAGE2:
 	JP	BDOSJP		; return via bdos
 ;
-;Section 5H
-;Command: PAGE
+;Section 5I
+;Command: FF		(was PAGE)
 ;Function: To eject a page on list device via a form feed.
 ;Forms:
 ;	PAGE
@@ -1578,7 +1614,7 @@ EJECT:
 	LD	C,05H		; list output
 	JP	BDOS		; output character and return via bdos
 ;
-;Section 5I
+;Section 5J
 ;Command: SAVE
 ;Function: To save the contents of TPA onto disk as a file. Number of
 ;	     pages or records is in decimal. Saved area begins at 100H.
@@ -1627,7 +1663,7 @@ SAVE3:
 SAVE4:
 	JP	PRNLE		;PRINT 'NO SPACE' ERROR
 ;
-;Section 5J
+;Section 5K
 ;Command: REN
 ;Function: To change the name of an existing file.
 ;Forms:
@@ -1669,7 +1705,7 @@ NAMERR:
 REN2:
 	JP	ABORT
 ;
-;Section 5K
+;Section 5L
 ;Command: USER
 ;Function: To change current user number; new user number is in decimal.
 ;Forms:
@@ -1679,7 +1715,7 @@ USER:
 	CALL	USRNUM		;EXTRACT USER NUMBER FROM COMMAND LINE
 	JP	NEWUSR		;SET NEW USER NUMBER
 ;
-;Section 5L
+;Section 5M
 ;Command: DFU
 ;Function: To set the Default User Number for the command/file scanner; new
 ;	     default user number is in decimal.
@@ -1691,7 +1727,7 @@ DFU:
 	LD	(DFUSR),A	;PUT IT AWAY
 	RET
 ;
-;Section 5M
+;Section 5N
 ;Command: SCL
 ;Function: To force ZCPR to parse only a single command per line; reset
 ;	     to multiple command format at the next ^C.
@@ -1708,7 +1744,7 @@ SINGLE:
 	ENDIF
 ;
 ;
-;Section 5N
+;Section 5O
 ;Command: PEEK
 ;Function: To display hex values beginning at a specified address.
 ;Forms:
@@ -1755,7 +1791,7 @@ PRHEX:
 	JP	CONOUT		; go display value
 ;
 ;
-;Section 5O
+;Section 5P
 ;Command: POKE
 ;Function: To poke a string of hex values into a set of consecutive addresses.
 ;Forms:
@@ -1776,7 +1812,7 @@ POKE1:
 	JR	POKE1		; go for more
 ;
 ;
-;Section 5P
+;Section 5Q
 ;Command: JUMP
 ;Function: To call the program (subroutine) at the specified address
 ;	     without loading from disk.
@@ -1787,7 +1823,7 @@ JUMP:
 	CALL	HEXNUM		;GET LOAD ADDRESS IN HL
 	JR	CLLPRG		;PERFORM CALL
 ;
-;Section 5Q
+;Section 5R
 ;Command: COM file processing
 ;Function: To load the specified COM file from disk and execute it.
 ;Forms:
@@ -1807,7 +1843,7 @@ COM:
 	CALL	MEMLD		;LOAD MEMORY WITH FILE SPECIFIED
 			 	;(NO RETURN IF ERROR OR TOO BIG)
 ;
-;Section 5R
+;Section 5S
 ;Command: GO
 ;Function: To call the program in the TPA without loading from disk.
 ;	     Same as JUMP 100H, but more convenient, especially when
@@ -1868,14 +1904,24 @@ COM3:
 ; RUN LOADED TRANSIENT PROGRAM
 ;
 	CALL	CRLF		;NEW LINE
-	CALL	DEFDMA		;SET DMA TO 0080
-	CALL	RSTUSR		;RESET TO PROPER USER NUMBER
+UPDATE:
+	CALL	DEFDMA		;SET DMA TO DEFAULT VALUE
+	CALL	DLOGIN		;ASSURE PROPER DRIVE
+	CALL	RSTUSR		;ASSURE PROPER USER NUMBER
+	LD	A,E		;GET CURRENT USER NUMBER
+	ADD	A,A		;PLACE IT IN HIGH NIBBLE
+	ADD	A,A
+	ADD	A,A
+	ADD	A,A
+	LD	HL,TDRIVE	;ADD DEFAULT DRIVE NUMBER (LOW NIBBLE)
+	OR	(HL)
+	LD	(UDFLAG),A	;UPDATE USER/DRIVE BYTE
 ;
-; EXECUTION (CALL) OF PROGRAM (SUBROUTINE) OCCURS HERE
+; EXECUTION (CALL) OF PROGRAM/SUBROUTINE/COMMAND OCCURS HERE
 ;
 	RET			;CALL TRANSIENT
 ;
-;Section 5S
+;Section 5T
 ;Command: GET
 ;Function: To load the specified file from disk to the specified address
 ;Forms:
@@ -1896,9 +1942,9 @@ MEMLD:
 	LD	(LDADR),HL	;SET LOAD ADDRESS
 ;
 ;   MLA is a reentry point for a non-standard CP/M Modification
-; This is the return point when the .COM (or GET) file is not found the
-; first time, the Default User is selected for the second attempt
-; and Drive A is selected for the final attempt.
+; This is the return point when the .COM (or GET) file was not found 
+; so the Default Drive & User are selected for the final attempt
+; to find the file.
 ;
 MLA:
 	CALL	ULOGIN		;LOG ANY USER
@@ -1906,29 +1952,22 @@ MLA:
 	CALL	OPENF		;OPEN COMMAND.COM FILE
 	JR	NZ,MLA1		;FILE FOUND - LOAD IT
 ;
-; FILE NOT FOUND - SELECT DEFAULT USER
+; FILE NOT FOUND - SELECT DEFAULT COM USER
 ;
-	LD	A,L	 	;GET FCB USER
-	AND	A		;DEFAULT USER?
-	JR	NZ,MLA0		;NO
-	LD	HL,TMPUSR	;CURRENT USER SAME AS DEFAULT?
 	LD	A,(DFUSR)	;GET DEFAULT USER
-	CP	(HL)
 	SET	7,A		;MAKE INTO VALID USER NUMBER
 	LD	(FCBS1),A	;PUT USER INTO FCB
-	JR	NZ,MLA		;AND TRY AGAIN
 ;
-; FILE NOT FOUND - SELECT DRIVE A IF DEFAULT WAS SOME OTHER DRIVE
+; AND SELECT DEFAULT COM DRIVE.  IF DEFAULT COM DRIVE ALREADY
+; SELECTED, GIVE UP AND PRINT ERROR MESSAGE
 ;
 MLA0:
-	LD	A,(TDRIVE)	;DRIVE A DEFAULT?
-	AND	A
+	LD	A,DEFDRV-'@'	;A<= DEFAULT COM DRIVE 
+	LD	HL,FCBDN	;POINT TO DRIVE IN FCB
+	CP	(HL)		;THE SAME?
 	JR	Z,MLA3	 	;YES, ERROR
-	XOR	A
-	LD	HL,FCBDN	;POINT AT DRIVE IN FCB
-	OR	(HL)		;DRIVE ALREADY SPECIFIED?
-	LD	(HL),1		;SELECT DRIVE A
-	JR	Z,MLA		;NO, GO GIVE IT A TRY
+	LD	(HL),A		;PUT DEFAULT COM DRIVE IN FCB
+	JR	MLA		;GO GIVE IT A TRY
 MLA3:
 	CALL	PRNNF		;CAN'T FIND FILE
 	JR	PRNLE1
@@ -1961,6 +2000,7 @@ PRNLE1:
 	IF	(($-ENTRY) GT ZCPRSZ)
 	*ZCPR too large!!*
 	ENDIF
+	.DEPHASE
 ;
 	IF	TEST
 LISTST:
@@ -1977,4 +2017,4 @@ ENDLD	EQU	$
 
 	END	
 
-	PUSH	HL		;SAVE POI
+

Source/ver.inc

@@ -2,4 +2,4 @@
 #DEFINE	RMN	1
 #DEFINE	RUP	1
 #DEFINE	RTP	0
-#DEFINE BIOSVER	"3.1.1-pre.179"
+#DEFINE BIOSVER	"3.1.1-pre.183"

Source/ver.lib

@@ -3,5 +3,5 @@ rmn	equ	1
 rup	equ	1
 rtp	equ	0
 biosver	macro
-	db	"3.1.1-pre.179"
+	db	"3.1.1-pre.183"
 	endm

Tools/Makefile.inc

@@ -134,7 +134,7 @@ endif
 #
 all:: $(OBJECTS)
 	@for dir in $(SUBDIRS) ; do \
-		$(MAKE) --directory $$dir all ; \
+		$(MAKE) --directory $$dir ; \
 	done
 	@if [ "$(DEST)" ] && [ "$(OBJECTS)" ] ; then for file in $(filter-out $(NOCOPY),$(OBJECTS)) ; do \
 		mkdir -p $(DEST) ; \