Version 2.5.2

Apps/Source/applvers.h

@@ -1,14 +1,14 @@
 /************************************/
-/* applvers.h dwg - 2.5.0.15        */
+/* applvers.h dwg - 2.5.2.18        */
 /************************************/
 
 #define A_RMJ	2
 #define A_RMN	5
-#define A_RUP	1
-#define A_RTP	17
+#define A_RUP	2
+#define A_RTP	18
 
-#define A_MONTH	6
-#define A_DAY	25
+#define A_MONTH	9
+#define A_DAY	29
 #define A_YEAR	2013
 #define A_YR	13
 

Apps/Source/applvers.lib

@@ -2,15 +2,15 @@
 
 A$RMJ	equ	2
 A$RMN	equ	5
-A$RUP	equ	1
-A$RTP	equ	17
+A$RUP	equ	2
+A$RTP	equ	18
 
-A$MONTH	equ	6
-A$DAY	equ	25
+A$MONTH	equ	9
+A$DAY	equ	29
 A$YEAR	equ	2013
 
 date	macro
-dat	db	'  6/25/2013$'
+dat	db	'  9/29/2013$'
 	endm
 
 serial	macro

Apps/Source/cpmname.c

@@ -131,7 +131,7 @@ prtcfg1(pSysCfg)
 		pCfg->conbaud);
 	pager();
 	printf ("Default Video Display: %s, Default Emulation: %s",
-		VDAName[pCfg->defvda], EmuName[pCfg->defemu]);
+		VDAName[(pCfg->defvda) >> 4], EmuName[pCfg->defemu]);
 	pager();
 	printf ("Current Terminal Type: %s",
 		TermName[pCfg->termtype]);

Doc/ChangeLog.txt

@@ -1,3 +1,11 @@
+Version 2.5.2
+-------------
+- WBW: Added initial support for RAM Floppy
+
+Version 2.5.1
+-------------
+- WBW: Fix PPIDE bug
+
 Version 2.5
 -----------
 - WBW: Implemented CRT driver model (video and keyboard)

FixPowerShell.cmd

@@ -7,7 +7,7 @@ echo which means that local scripts can be run without
 echo being signed.  This is required to use the RomWBW
 echo build process.
 echo.
-PowerShell -command Write-Host "Your PowerShell ExecutionPolicy is currently (Get-ExecutionPolicy)"
+PowerShell -command Write-Host "Your PowerShell ExecutionPolicy is currently set to: `'(Get-ExecutionPolicy)`'"
 echo.
 echo In order to modify the ExecutionPolicy, this command
 echo file *MUST* be run with administrator privileges.
@@ -24,6 +24,6 @@ echo Attempting to change Execution Policy...
 echo.
 PowerShell Set-ExecutionPolicy RemoteSigned
 echo.
-PowerShell -command Write-Host "Your new PowerShell ExecutionPolicy is now (Get-ExecutionPolicy)"
+PowerShell -command Write-Host "Your new PowerShell ExecutionPolicy is now set to: `'(Get-ExecutionPolicy)`'"
 echo.
 pause

ReadMe.txt

@@ -8,8 +8,8 @@ Builders: Wayne Warthen (wwarthen@gmail.com)
           Douglas Goodall (douglas_goodall@mac.com)
           David Giles (vk5dg@internode.on.net)
 
-Updated: 2013-06-23
-Version: 2.5
+Updated: 2013-09-28
+Version: 2.5.2
 
 This is an adaptation of CP/M-80 2.2 and ZSDOS/ZCPR
 targeting ROMs for all N8VEM Z80 hardware variations

RomList.txt

@@ -108,6 +108,13 @@ DRI CP/M (BDOS & CCP)
     - Basic ROM/RAM disk (no floppy/IDE)
     - Drives A:=ROM, B:=RAM, C:=HDSK0-00, D:=HDSK0-01, E:=HDSK0-02, F:=HDSK0-03
 
+  N8VEM_rf.rom for N8VEM Z80 SBC V1/2 + RAM Flopppy:
+    - 512KB ROM, 512KB RAM
+    - 38.4KB serial console baud rate
+    - Basic ROM/RAM disk (no floppy/IDE)
+    - RAM Floppy support
+    - Drives A:=ROM, B:=RAM, C:=RF0, D:=RF1
+
   N8VEM_vdu.rom for N8VEM Z80 SBC V1/V2:
     - 512KB ROM, 512KB RAM
     - 38.4KB serial console baud rate
@@ -253,6 +260,13 @@ ZSYSTEM (ZSDOS & ZCPR)
     - Basic ROM/RAM disk (no floppy/IDE)
     - Drives A:=ROM, B:=RAM, C:=HDSK0-00, D:=HDSK0-01, E:=HDSK0-02, F:=HDSK0-03
     
+  N8VEM_rf_z.rom for N8VEM Z80 SBC V1/2 + RAM Flopppy:
+    - 512KB ROM, 512KB RAM
+    - 38.4KB serial console baud rate
+    - Basic ROM/RAM disk (no floppy/IDE)
+    - RAM Floppy support
+    - Drives A:=ROM, B:=RAM, C:=RF0, D:=RF1
+
   ZETA_std_z.rom for Zeta Z80 SBC:
     - 512KB ROM, 512KB RAM
     - 38.4KB serial console baud rate

Source/cbios.asm

@@ -46,7 +46,7 @@ WBOOTE	JP	WBOOT			; #1  - WARM START
 ; easily located by external programs. They transfger control to routines
 ; that are located somewhere within the main section of the CBIOS.
 ;
-	JP	BNKSEL			; #17 - SEL. RAM BANK FOR LOW32K (obsolete, use HBIOS)
+	JP	PANIC			; #17 - SEL. RAM BANK FOR LOW32K (deprecated, use HBIOS)
 	JP	GETDSK			; #18 - Get Disk Info (device/unit/lu)
 	JP	SETDSK			; #19 - Set Disk Into (device/unit/lu)
 	JP	GETINFO			; #20 - Get BIOS Info Base Ptr
@@ -101,15 +101,13 @@ WBOOT:
 	IM	1
 ;
 	LD	SP,ISTACK	; STACK FOR INITIALIZATION
-;	
-	; RELOAD COMMAND PROCESSOR FROM CACHE
-	LD	A,1		; SELECT RAM BANK 1
-	CALL	RAMPG		; DO IT
-	LD	HL,0800H	; LOCATION IN RAM BANK 1 OF COMMAND PROCESSOR CACHE
-	LD	DE,CPM_LOC	; LOCATION OF ACTIVE COMMAND PROCESSOR
-	LD	BC,CCPSIZ	; SIZE OF COMMAND PROCESSOR
-	LDIR			; COPY
-	CALL	RAMPGZ		; RESTORE RAM PAGE 0
+;
+	LD	B,BF_SYSBNKCPY	; B = FUNCTION = BANK COPY
+	LD	C,$81		; C = BANK = RAM BANK 1
+	LD	HL,$0800	; SOURCE = $800, CCP CACHE IN RAM BANK 1
+	LD	DE,CPM_LOC	; DESTINATION IS LOCATION OF ACTIVE CCP
+	LD	IX,CCPSIZ	; SIZE OF CCP
+	RST	08
 ;
 	; FALL THRU TO INVOKE CP/M
 ;
@@ -378,12 +376,6 @@ READWRITE:
 	JR	BLKRW
 ;
 ;__________________________________________________________________________________________________			
-BNKSEL:
-;
-	LD	A,C
-	JP	RAMPG
-;
-;__________________________________________________________________________________________________			
 GETDSK:
 ;
 ; INPUT:	C=DRIVE # (0=A, 1=B, ... P=16)
@@ -1433,6 +1425,14 @@ SIZ_HDSK_DPH	.EQU	$ - ORG_HDSK_DPH
 		.ECHO	SIZ_HDSK_DPH
 		.ECHO	" bytes.\n"
 #ENDIF
+#IF (RFENABLE)
+ORG_RF_DPH	.EQU	$
+  #INCLUDE "rf_dph.asm"
+SIZ_RF_DPH	.EQU	$ - ORG_RF_DPH
+		.ECHO	"RF DPH occupies "
+		.ECHO	SIZ_RF_DPH
+		.ECHO	" bytes.\n"
+#ENDIF
 ;
 ; DISK PARAMETER BLOCKS
 ;
@@ -1496,6 +1496,24 @@ DPB_RAM:
 	.DW  	0		; OFF: RESERVED TRACKS = 0 TRK
 ;__________________________________________________________________________________________________
 ;
+; 4MB RAM FLOPPY DRIVE, 32 TRKS, 1024 SECS/TRK, 128 BYTES/SEC
+; BLOCKSIZE (BLS) = 2K, DIRECTORY ENTRIES = 256
+; SEC/TRK ENGINEERED SO THAT AFTER DEBLOCKING, SECTOR NUMBER OCCUPIES 1 BYTE (0-255)
+;
+	.DB	(2048 / 128)	; RECORDS PER BLOCK (BLS / 128)
+DPB_RF:
+	.DW  	1024		; SPT: SECTORS PER TRACK
+	.DB  	4		; BSH: BLOCK SHIFT FACTOR
+	.DB  	15		; BLM: BLOCK MASK
+	.DB  	0		; EXM: EXTENT MASK
+	.DW  	2047		; DSM: TOTAL STORAGE IN BLOCKS - 1 BLK = (4MB / 2K BLS) - 1 = 2047
+	.DW  	255		; DRM: DIR ENTRIES - 1 = 256 - 1 = 255
+	.DB  	11110000B	; AL0: DIR BLK BIT MAP, FIRST BYTE
+	.DB  	00000000B	; AL1: DIR BLK BIT MAP, SECOND BYTE
+	.DW  	0		; CKS: DIRECTORY CHECK VECTOR SIZE = 256 / 4
+	.DW  	0		; OFF: RESERVED TRACKS = 0 TRK
+;__________________________________________________________________________________________________
+;
 ; 8MB HARD DISK DRIVE, 65 TRKS, 1024 SECS/TRK, 128 BYTES/SEC
 ; BLOCKSIZE (BLS) = 4K, DIRECTORY ENTRIES = 128
 ; SEC/TRK ENGINEERED SO THAT AFTER DEBLOCKING, SECTOR NUMBER OCCUPIES 1 BYTE (0-255)
@@ -1632,6 +1650,7 @@ DPB_MAP:
 	.DW	DPB_FD360	; MID_FD360
 	.DW	DPB_FD120	; MID_FD120
 	.DW	DPB_FD111	; MID_FD111
+	.DW	DPB_RF		; MID_RF
 ;
 DPB_CNT	.EQU	($ - DPB_MAP) / 2
 ;
@@ -1707,6 +1726,10 @@ DPH_MAP:
 	.DW	HDSKDPH2
 	.DW	HDSKDPH3
   #ENDIF
+  #IF (DSKMAP == DM_RF)
+	.DW	RFDPH0
+	.DW	RFDPH1
+  #ENDIF
   #IF (DSKMAP != DM_ROM)
 	.DW	MDDPH0
   #ENDIF
@@ -1753,6 +1776,10 @@ DPH_MAP:
 	.DW	HDSKDPH2
 	.DW	HDSKDPH3
   #ENDIF
+  #IF ((DSKMAP != DM_RF) & RFENABLE)
+	.DW	RFDPH0
+	.DW	RFDPH1
+  #ENDIF
 #ENDIF	; CUSTOM_DPHMAP
 ;
 DPH_CNT	.EQU	($ - DPH_MAP) / 2
@@ -1855,9 +1882,6 @@ INIT:
 	; SETUP A TEMP STACK IN UPPER 32K
 	LD	SP,ISTACK		; STACK FOR INITIALIZATION
 			
-	; ENSURE RAM PAGE ZERO ACTIVE
-	CALL	RAMPGZ
-	
 	; THIS INIT CODE WILL BE OVERLAID, SO WE ARE GOING
 	; TO MODIFY THE BOOT ENTRY POINT TO CAUSE A PANIC
 	; TO EASILY IDENTIFY IF SOMETHING TRIES TO INVOKE
@@ -1892,14 +1916,13 @@ INIT1:
 	CALL	WRITESTR
 	CALL	NEWLINE
 	
-	; SAVE COMMAND PROCESSOR TO CACHE IN RAM1
-	LD	A,1
-	CALL	RAMPG
-	LD	HL,CPM_LOC		; LOCATION OF ACTIVE COMMAND PROCESSOR
-	LD	DE,0800H		; LOCATION IN RAM 1 OF COMMAND PROCESSOR CACHE
-	LD	BC,CCPSIZ		; SIZE OF COMMAND PROCESSOR
-	LDIR
-	CALL	RAMPGZ
+	; SAVE COMMAND PROCESSOR TO CACHE IN RAM BANK 1
+	LD	B,BF_SYSBNKCPY	; B = FUNCTION = BANK COPY
+	LD	C,$81		; C = BANK = RAM BANK 1
+	LD	HL,CPM_LOC	; SOURCE IS LOCATION OF ACTIVE CCP
+	LD	DE,$0800	; DESTINATION = $800, CCP CACHE IN RAM BANK 1
+	LD	IX,CCPSIZ	; SIZE OF CCP
+	RST	08	
 
 	; SYSTEM INITIALIZATION
 	CALL	BLKRES			; RESET DISK (DE)BLOCKING ALGORITHM

Source/config_n8_2312.asm

@@ -83,6 +83,8 @@ HDSKENABLE	.EQU	FALSE		; TRUE FOR SIMH HDSK SUPPORT
 HDSKTRACE	.EQU	1		; 0=SILENT, 1=ERRORS, 2=EVERYTHING (ONLY RELEVANT IF IDEENABLE = TRUE)
 HDSKCAPACITY	.EQU	64		; CAPACITY OF DEVICE (IN MB)
 ;
+RFENABLE	.EQU	FALSE		; TRUE FOR RAM FLOPPY SUPPORT
+;
 PPKENABLE	.EQU	TRUE		; TRUE FOR PARALLEL PORT KEYBOARD
 PPKTRACE	.EQU	1		; 0=SILENT, 1=ERRORS, 2=EVERYTHING (ONLY RELEVANT IF PPKENABLE = TRUE)
 KBDENABLE	.EQU	FALSE		; TRUE FOR PS/2 KEYBOARD ON I8242

Source/config_n8_2511.asm

@@ -83,6 +83,8 @@ HDSKENABLE	.EQU	FALSE		; TRUE FOR SIMH HDSK SUPPORT
 HDSKTRACE	.EQU	1		; 0=SILENT, 1=ERRORS, 2=EVERYTHING (ONLY RELEVANT IF IDEENABLE = TRUE)
 HDSKCAPACITY	.EQU	64		; CAPACITY OF DEVICE (IN MB)
 ;
+RFENABLE	.EQU	FALSE		; TRUE FOR RAM FLOPPY SUPPORT
+;
 PPKENABLE	.EQU	TRUE		; TRUE FOR PARALLEL PORT KEYBOARD
 PPKTRACE	.EQU	1		; 0=SILENT, 1=ERRORS, 2=EVERYTHING (ONLY RELEVANT IF PPKENABLE = TRUE)
 KBDENABLE	.EQU	FALSE		; TRUE FOR PS/2 KEYBOARD ON I8242

Source/config_n8vem_ci.asm

@@ -91,6 +91,8 @@ HDSKENABLE	.EQU	FALSE		; TRUE FOR SIMH HDSK SUPPORT
 HDSKTRACE	.EQU	1		; 0=SILENT, 1=ERRORS, 2=EVERYTHING (ONLY RELEVANT IF IDEENABLE = TRUE)
 HDSKCAPACITY	.EQU	64		; CAPACITY OF DEVICE (IN MB)
 ;
+RFENABLE	.EQU	FALSE		; TRUE FOR RAM FLOPPY SUPPORT
+;
 PPKENABLE	.EQU	FALSE		; TRUE FOR PARALLEL PORT KEYBOARD
 PPKTRACE	.EQU	1		; 0=SILENT, 1=ERRORS, 2=EVERYTHING (ONLY RELEVANT IF PPKENABLE = TRUE)
 KBDENABLE	.EQU	FALSE		; TRUE FOR PS/2 KEYBOARD ON I8242

Source/config_n8vem_cvdu.asm

@@ -87,6 +87,8 @@ HDSKENABLE	.EQU	FALSE		; TRUE FOR SIMH HDSK SUPPORT
 HDSKTRACE	.EQU	1		; 0=SILENT, 1=ERRORS, 2=EVERYTHING (ONLY RELEVANT IF IDEENABLE = TRUE)
 HDSKCAPACITY	.EQU	64		; CAPACITY OF DEVICE (IN MB)
 ;
+RFENABLE	.EQU	FALSE		; TRUE FOR RAM FLOPPY SUPPORT
+;
 PPKENABLE	.EQU	FALSE		; TRUE FOR PARALLEL PORT KEYBOARD
 PPKTRACE	.EQU	1		; 0=SILENT, 1=ERRORS, 2=EVERYTHING (ONLY RELEVANT IF PPKENABLE = TRUE)
 KBDENABLE	.EQU	TRUE		; TRUE FOR PS/2 KEYBOARD ON I8242

Source/config_n8vem_dide.asm

@@ -87,6 +87,8 @@ HDSKENABLE	.EQU	FALSE		; TRUE FOR SIMH HDSK SUPPORT
 HDSKTRACE	.EQU	1		; 0=SILENT, 1=ERRORS, 2=EVERYTHING (ONLY RELEVANT IF IDEENABLE = TRUE)
 HDSKCAPACITY	.EQU	64		; CAPACITY OF DEVICE (IN MB)
 ;
+RFENABLE	.EQU	FALSE		; TRUE FOR RAM FLOPPY SUPPORT
+;
 PPKENABLE	.EQU	FALSE		; TRUE FOR PARALLEL PORT KEYBOARD
 PPKTRACE	.EQU	1		; 0=SILENT, 1=ERRORS, 2=EVERYTHING (ONLY RELEVANT IF PPKENABLE = TRUE)
 KBDENABLE	.EQU	FALSE		; TRUE FOR PS/2 KEYBOARD ON I8242

Source/config_n8vem_diskio.asm

@@ -87,6 +87,8 @@ HDSKENABLE	.EQU	FALSE		; TRUE FOR SIMH HDSK SUPPORT
 HDSKTRACE	.EQU	1		; 0=SILENT, 1=ERRORS, 2=EVERYTHING (ONLY RELEVANT IF IDEENABLE = TRUE)
 HDSKCAPACITY	.EQU	64		; CAPACITY OF DEVICE (IN MB)
 ;
+RFENABLE	.EQU	FALSE		; TRUE FOR RAM FLOPPY SUPPORT
+;
 PPKENABLE	.EQU	FALSE		; TRUE FOR PARALLEL PORT KEYBOARD
 PPKTRACE	.EQU	1		; 0=SILENT, 1=ERRORS, 2=EVERYTHING (ONLY RELEVANT IF PPKENABLE = TRUE)
 KBDENABLE	.EQU	FALSE		; TRUE FOR PS/2 KEYBOARD ON I8242

Source/config_n8vem_diskio3+cvdu.asm

@@ -87,6 +87,8 @@ HDSKENABLE	.EQU	FALSE		; TRUE FOR SIMH HDSK SUPPORT
 HDSKTRACE	.EQU	1		; 0=SILENT, 1=ERRORS, 2=EVERYTHING (ONLY RELEVANT IF IDEENABLE = TRUE)
 HDSKCAPACITY	.EQU	64		; CAPACITY OF DEVICE (IN MB)
 ;
+RFENABLE	.EQU	FALSE		; TRUE FOR RAM FLOPPY SUPPORT
+;
 PPKENABLE	.EQU	FALSE		; TRUE FOR PARALLEL PORT KEYBOARD
 PPKTRACE	.EQU	1		; 0=SILENT, 1=ERRORS, 2=EVERYTHING (ONLY RELEVANT IF PPKENABLE = TRUE)
 KBDENABLE	.EQU	TRUE		; TRUE FOR PS/2 KEYBOARD ON I8242

Source/config_n8vem_diskio3.asm

@@ -87,6 +87,8 @@ HDSKENABLE	.EQU	FALSE		; TRUE FOR SIMH HDSK SUPPORT
 HDSKTRACE	.EQU	1		; 0=SILENT, 1=ERRORS, 2=EVERYTHING (ONLY RELEVANT IF IDEENABLE = TRUE)
 HDSKCAPACITY	.EQU	64		; CAPACITY OF DEVICE (IN MB)
 ;
+RFENABLE	.EQU	FALSE		; TRUE FOR RAM FLOPPY SUPPORT
+;
 PPKENABLE	.EQU	FALSE		; TRUE FOR PARALLEL PORT KEYBOARD
 PPKTRACE	.EQU	1		; 0=SILENT, 1=ERRORS, 2=EVERYTHING (ONLY RELEVANT IF PPKENABLE = TRUE)
 KBDENABLE	.EQU	FALSE		; TRUE FOR PS/2 KEYBOARD ON I8242

Source/config_n8vem_dsd.asm

@@ -87,6 +87,8 @@ HDSKENABLE	.EQU	FALSE		; TRUE FOR SIMH HDSK SUPPORT
 HDSKTRACE	.EQU	1		; 0=SILENT, 1=ERRORS, 2=EVERYTHING (ONLY RELEVANT IF IDEENABLE = TRUE)
 HDSKCAPACITY	.EQU	64		; CAPACITY OF DEVICE (IN MB)
 ;
+RFENABLE	.EQU	FALSE		; TRUE FOR RAM FLOPPY SUPPORT
+;
 PPKENABLE	.EQU	FALSE		; TRUE FOR PARALLEL PORT KEYBOARD
 PPKTRACE	.EQU	1		; 0=SILENT, 1=ERRORS, 2=EVERYTHING (ONLY RELEVANT IF PPKENABLE = TRUE)
 KBDENABLE	.EQU	FALSE		; TRUE FOR PS/2 KEYBOARD ON I8242

Source/config_n8vem_mfp.asm

@@ -91,6 +91,8 @@ HDSKENABLE	.EQU	FALSE		; TRUE FOR SIMH HDSK SUPPORT
 HDSKTRACE	.EQU	1		; 0=SILENT, 1=ERRORS, 2=EVERYTHING (ONLY RELEVANT IF IDEENABLE = TRUE)
 HDSKCAPACITY	.EQU	64		; CAPACITY OF DEVICE (IN MB)
 ;
+RFENABLE	.EQU	FALSE		; TRUE FOR RAM FLOPPY SUPPORT
+;
 PPKENABLE	.EQU	FALSE		; TRUE FOR PARALLEL PORT KEYBOARD
 PPKTRACE	.EQU	1		; 0=SILENT, 1=ERRORS, 2=EVERYTHING (ONLY RELEVANT IF PPKENABLE = TRUE)
 KBDENABLE	.EQU	FALSE		; TRUE FOR PS/2 KEYBOARD ON I8242

Source/config_n8vem_ppide.asm

@@ -87,6 +87,8 @@ HDSKENABLE	.EQU	FALSE		; TRUE FOR SIMH HDSK SUPPORT
 HDSKTRACE	.EQU	1		; 0=SILENT, 1=ERRORS, 2=EVERYTHING (ONLY RELEVANT IF IDEENABLE = TRUE)
 HDSKCAPACITY	.EQU	64		; CAPACITY OF DEVICE (IN MB)
 ;
+RFENABLE	.EQU	FALSE		; TRUE FOR RAM FLOPPY SUPPORT
+;
 PPKENABLE	.EQU	FALSE		; TRUE FOR PARALLEL PORT KEYBOARD
 PPKTRACE	.EQU	1		; 0=SILENT, 1=ERRORS, 2=EVERYTHING (ONLY RELEVANT IF PPKENABLE = TRUE)
 KBDENABLE	.EQU	FALSE		; TRUE FOR PS/2 KEYBOARD ON I8242

Source/config_n8vem_ppisd.asm

@@ -87,6 +87,8 @@ HDSKENABLE	.EQU	FALSE		; TRUE FOR SIMH HDSK SUPPORT
 HDSKTRACE	.EQU	1		; 0=SILENT, 1=ERRORS, 2=EVERYTHING (ONLY RELEVANT IF IDEENABLE = TRUE)
 HDSKCAPACITY	.EQU	64		; CAPACITY OF DEVICE (IN MB)
 ;
+RFENABLE	.EQU	FALSE		; TRUE FOR RAM FLOPPY SUPPORT
+;
 PPKENABLE	.EQU	FALSE		; TRUE FOR PARALLEL PORT KEYBOARD
 PPKTRACE	.EQU	1		; 0=SILENT, 1=ERRORS, 2=EVERYTHING (ONLY RELEVANT IF PPKENABLE = TRUE)
 KBDENABLE	.EQU	FALSE		; TRUE FOR PS/2 KEYBOARD ON I8242

Source/config_n8vem_propio.asm

@@ -87,6 +87,8 @@ HDSKENABLE	.EQU	FALSE		; TRUE FOR SIMH HDSK SUPPORT
 HDSKTRACE	.EQU	1		; 0=SILENT, 1=ERRORS, 2=EVERYTHING (ONLY RELEVANT IF IDEENABLE = TRUE)
 HDSKCAPACITY	.EQU	64		; CAPACITY OF DEVICE (IN MB)
 ;
+RFENABLE	.EQU	FALSE		; TRUE FOR RAM FLOPPY SUPPORT
+;
 PPKENABLE	.EQU	FALSE		; TRUE FOR PARALLEL PORT KEYBOARD
 PPKTRACE	.EQU	1		; 0=SILENT, 1=ERRORS, 2=EVERYTHING (ONLY RELEVANT IF PPKENABLE = TRUE)
 KBDENABLE	.EQU	FALSE		; TRUE FOR PS/2 KEYBOARD ON I8242

Source/config_n8vem_rf.asm

@@ -0,0 +1,103 @@
+;
+;==================================================================================================
+;   ROMWBW 2.X CONFIGURATION FOR N8VEM SBC
+;==================================================================================================
+;
+; BUILD CONFIGURATION OPTIONS
+;
+CPUFREQ		.EQU	8		; IN MHZ, USED TO COMPUTE DELAY FACTORS
+;
+BOOTCON		.EQU	CIODEV_UART	; CONSOLE DEVICE FOR BOOT MESSAGES (MUST BE PRIMARY SERIAL PORT FOR PLATFORM)
+DEFCON		.EQU	CIODEV_UART	; DEFAULT CONSOLE DEVICE (LOADER AND MONITOR): CIODEV_UART, CIODEV_CRT, CIODEV_PRPCON, CIODEV_PPPCON
+ALTCON		.EQU	DEFCON		; ALT CONSOLE DEVICE (USED WHEN CONFIG JUMPER SHORTED)
+CONBAUD		.EQU	38400		; BAUDRATE FOR CONSOLE DURING HARDWARE INIT
+DEFVDA		.EQU	VDADEV_NONE	; DEFAULT VDA DEVICE (VDADEV_NONE, VDADEV_VDU, VDADEV_CVDU, VDADEV_N8V, VDADEV_UPD7220)
+DEFEMU		.EQU	EMUTYP_TTY	; DEFAULT VDA EMULATION (EMUTYP_TTY, EMUTYP_ANSI, ...)
+TERMTYPE	.EQU	TERM_ANSI	; TERM_TTY=0, TERM_ANSI=1, TERM_WYSE=2
+;
+RAMSIZE		.EQU	512		; SIZE OF RAM IN KB, MUST MATCH YOUR HARDWARE!!!
+CLRRAMDISK	.EQU	CLR_AUTO	; CLR_ALWAYS, CLR_NEVER, CLR_AUTO (CLEAR IF INVALID DIR AREA)
+;
+DSKMAP		.EQU	DM_RAM		; DM_ROM, DM_RAM, DM_FD, DM_IDE, DM_PPIDE, DM_SD, DM_PRPSD, DM_PPPSD, DM_HDSK
+;
+DSKYENABLE	.EQU	FALSE		; TRUE FOR DSKY SUPPORT (DO NOT COMBINE WITH PPIDE)
+;
+UARTENABLE	.EQU	TRUE		; TRUE FOR UART SUPPORT (ALMOST ALWAYS WANT THIS TO BE TRUE)
+UARTCNT		.EQU	1		; NUMBER OF UARTS
+UART0IOB	.EQU	$68		; UART0 IOBASE
+UART0BAUD	.EQU	CONBAUD		; UART0 BAUDRATE
+UART0FIFO	.EQU	TRUE		; UART0 TRUE ENABLES UART FIFO (16550 ASSUMED, N8VEM AND ZETA ONLY)
+UART0AFC	.EQU	FALSE		; UART0 TRUE ENABLES AUTO FLOW CONTROL (YOUR TERMINAL/UART MUST SUPPORT RTS/CTS FLOW CONTROL!!!)
+;
+ASCIENABLE	.EQU	FALSE		; TRUE FOR Z180 ASCI SUPPORT
+ASCI0BAUD	.EQU	CONBAUD		; ASCI0 BAUDRATE (IMPLEMENTED BY Z180_CNTLB0)
+ASCI1BAUD	.EQU	CONBAUD		; ASCI1 BAUDRATE (IMPLEMENTED BY Z180_CNTLB1)
+;
+VDUENABLE	.EQU	FALSE		; TRUE FOR VDU BOARD SUPPORT
+CVDUENABLE	.EQU	FALSE		; TRUE FOR CVDU BOARD SUPPORT
+UPD7220ENABLE	.EQU	FALSE		; TRUE FOR uPD7220 BOARD SUPPORT
+N8VENABLE	.EQU	FALSE		; TRUE FOR N8 (TMS9918) VIDEO/KBD SUPPORT
+;
+DEFIOBYTE	.EQU	$00		; DEFAULT INITIAL VALUE FOR CP/M IOBYTE, $00=TTY, $01=CRT (MUST HAVE CRT HARDWARE)
+ALTIOBYTE	.EQU	DEFIOBYTE	; ALT INITIAL VALUE (USED WHEN CONFIG JUMPER SHORTED)
+WRTCACHE	.EQU	TRUE		; ENABLE WRITE CACHING IN CBIOS (DE)BLOCKING ALGORITHM
+DSKTRACE	.EQU	FALSE		; ENABLE TRACING OF CBIOS DISK FUNCTION CALLS
+;
+MDENABLE	.EQU	TRUE		; TRUE FOR ROM/RAM DISK SUPPORT (ALMOST ALWAYS WANT THIS ENABLED)
+;
+FDENABLE	.EQU	FALSE		; TRUE FOR FLOPPY SUPPORT
+FDMODE		.EQU	FDMODE_DIO	; FDMODE_DIO, FDMODE_ZETA, FDMODE_DIDE, FDMODE_N8, FDMODE_DIO3
+FDTRACE		.EQU	1		; 0=SILENT, 1=FATAL ERRORS, 2=ALL ERRORS, 3=EVERYTHING (ONLY RELEVANT IF FDENABLE = TRUE)
+FDMEDIA		.EQU	FDM144		; FDM720, FDM144, FDM360, FDM120 (ONLY RELEVANT IF FDENABLE = TRUE)
+FDMEDIAALT	.EQU	FDM720		; ALTERNATE MEDIA TO TRY, SAME CHOICES AS ABOVE (ONLY RELEVANT IF FDMAUTO = TRUE)
+FDMAUTO		.EQU	TRUE		; SELECT BETWEEN MEDIA OPTS ABOVE AUTOMATICALLY
+;
+IDEENABLE	.EQU	FALSE		; TRUE FOR IDE SUPPORT
+IDEMODE		.EQU	IDEMODE_DIO	; IDEMODE_DIO, IDEMODE_DIDE
+IDETRACE	.EQU	1		; 0=SILENT, 1=ERRORS, 2=EVERYTHING (ONLY RELEVANT IF IDEENABLE = TRUE)
+IDE8BIT		.EQU	FALSE		; USE IDE 8BIT TRANSFERS (PROBABLY ONLY WORKS FOR CF CARDS!)
+IDECAPACITY	.EQU	64		; CAPACITY OF DEVICE (IN MB)
+;
+PPIDEENABLE	.EQU	FALSE		; TRUE FOR PPIDE SUPPORT (DO NOT COMBINE WITH DSKYENABLE)
+PPIDEIOB	.EQU	$60		; PPIDE IOBASE
+PPIDETRACE	.EQU	1		; 0=SILENT, 1=ERRORS, 2=EVERYTHING (ONLY RELEVANT IF PPIDEENABLE = TRUE)
+PPIDE8BIT	.EQU	FALSE		; USE IDE 8BIT TRANSFERS (PROBABLY ONLY WORKS FOR CF CARDS!)
+PPIDECAPACITY	.EQU	64		; CAPACITY OF DEVICE (IN MB)
+PPIDESLOW	.EQU	FALSE		; ADD DELAYS TO HELP PROBLEMATIC HARDWARE (TRY THIS IF PPIDE IS UNRELIABLE)
+;
+SDENABLE	.EQU	FALSE		; TRUE FOR SD SUPPORT
+SDMODE		.EQU	SDMODE_JUHA	; SDMODE_JUHA, SDMODE_CSIO, SDMODE_UART, SDMODE_PPI, SDMODE_DSD
+SDTRACE		.EQU	1		; 0=SILENT, 1=ERRORS, 2=EVERYTHING (ONLY RELEVANT IF IDEENABLE = TRUE)
+SDCAPACITY	.EQU	64		; CAPACITY OF DEVICE (IN MB)
+SDCSIOFAST	.EQU	FALSE		; TABLE-DRIVEN BIT INVERTER
+;
+PRPENABLE	.EQU	FALSE		; TRUE FOR PROPIO SD SUPPORT (FOR N8VEM PROPIO ONLY!)
+PRPSDENABLE	.EQU	TRUE		; TRUE FOR PROPIO SD SUPPORT (FOR N8VEM PROPIO ONLY!)
+PRPSDTRACE	.EQU	1		; 0=SILENT, 1=ERRORS, 2=EVERYTHING (ONLY RELEVANT IF PRPSDENABLE = TRUE)
+PRPSDCAPACITY	.EQU	64		; CAPACITY OF DEVICE (IN MB)
+PRPCONENABLE	.EQU	TRUE		; TRUE FOR PROPIO CONSOLE SUPPORT (PS/2 KBD & VGA VIDEO)
+;
+PPPENABLE	.EQU	FALSE		; TRUE FOR PARPORTPROP SUPPORT
+PPPSDENABLE	.EQU	TRUE		; TRUE FOR PARPORTPROP SD SUPPORT
+PPPSDTRACE	.EQU	1		; 0=SILENT, 1=ERRORS, 2=EVERYTHING (ONLY RELEVANT IF PPPENABLE = TRUE)
+PPPSDCAPACITY	.EQU	64		; CAPACITY OF PPP SD DEVICE (IN MB)
+PPPCONENABLE	.EQU	TRUE		; TRUE FOR PROPIO CONSOLE SUPPORT (PS/2 KBD & VGA VIDEO)
+;
+HDSKENABLE	.EQU	FALSE		; TRUE FOR SIMH HDSK SUPPORT
+HDSKTRACE	.EQU	1		; 0=SILENT, 1=ERRORS, 2=EVERYTHING (ONLY RELEVANT IF IDEENABLE = TRUE)
+HDSKCAPACITY	.EQU	64		; CAPACITY OF DEVICE (IN MB)
+;
+RFENABLE	.EQU	TRUE		; TRUE FOR RAM FLOPPY SUPPORT
+;
+PPKENABLE	.EQU	FALSE		; TRUE FOR PARALLEL PORT KEYBOARD
+PPKTRACE	.EQU	1		; 0=SILENT, 1=ERRORS, 2=EVERYTHING (ONLY RELEVANT IF PPKENABLE = TRUE)
+KBDENABLE	.EQU	FALSE		; TRUE FOR PS/2 KEYBOARD ON I8242
+KBDTRACE	.EQU	1		; 0=SILENT, 1=ERRORS, 2=EVERYTHING (ONLY RELEVANT IF KBDENABLE = TRUE)
+;
+TTYENABLE	.EQU	FALSE		; INCLUDE TTY EMULATION SUPPORT
+ANSIENABLE	.EQU	FALSE		; INCLUDE ANSI EMULATION SUPPORT
+ANSITRACE	.EQU	1		; 0=SILENT, 1=ERRORS, 2=EVERYTHING (ONLY RELEVANT IF ANSIENABLE = TRUE)
+;
+BOOTTYPE	.EQU	BT_MENU		; BT_MENU (WAIT FOR KEYPRESS), BT_AUTO (BOOT_DEFAULT AFTER BOOT_TIMEOUT SECS)
+BOOT_TIMEOUT	.EQU	20		; APPROX TIMEOUT IN SECONDS FOR AUTOBOOT, 0 FOR IMMEDIATE
+BOOT_DEFAULT	.EQU	'R'		; SELECTION TO INVOKE AT TIMEOUT

Source/config_n8vem_simh.asm

@@ -87,6 +87,8 @@ HDSKENABLE	.EQU	TRUE		; TRUE FOR HDSK SUPPORT
 HDSKTRACE	.EQU	1		; 0=SILENT, 1=ERRORS, 2=EVERYTHING (ONLY RELEVANT IF IDEENABLE = TRUE)
 HDSKCAPACITY	.EQU	64		; CAPACITY OF DEVICE (IN MB)
 ;
+RFENABLE	.EQU	FALSE		; TRUE FOR RAM FLOPPY SUPPORT
+;
 PPKENABLE	.EQU	FALSE		; TRUE FOR PARALLEL PORT KEYBOARD
 PPKTRACE	.EQU	1		; 0=SILENT, 1=ERRORS, 2=EVERYTHING (ONLY RELEVANT IF PPKENABLE = TRUE)
 KBDENABLE	.EQU	FALSE		; TRUE FOR PS/2 KEYBOARD ON I8242

Source/config_n8vem_std.asm

@@ -87,6 +87,8 @@ HDSKENABLE	.EQU	FALSE		; TRUE FOR SIMH HDSK SUPPORT
 HDSKTRACE	.EQU	1		; 0=SILENT, 1=ERRORS, 2=EVERYTHING (ONLY RELEVANT IF IDEENABLE = TRUE)
 HDSKCAPACITY	.EQU	64		; CAPACITY OF DEVICE (IN MB)
 ;
+RFENABLE	.EQU	FALSE		; TRUE FOR RAM FLOPPY SUPPORT
+;
 PPKENABLE	.EQU	FALSE		; TRUE FOR PARALLEL PORT KEYBOARD
 PPKTRACE	.EQU	1		; 0=SILENT, 1=ERRORS, 2=EVERYTHING (ONLY RELEVANT IF PPKENABLE = TRUE)
 KBDENABLE	.EQU	FALSE		; TRUE FOR PS/2 KEYBOARD ON I8242

Source/config_n8vem_vdu.asm

@@ -87,6 +87,8 @@ HDSKENABLE	.EQU	FALSE		; TRUE FOR SIMH HDSK SUPPORT
 HDSKTRACE	.EQU	1		; 0=SILENT, 1=ERRORS, 2=EVERYTHING (ONLY RELEVANT IF IDEENABLE = TRUE)
 HDSKCAPACITY	.EQU	64		; CAPACITY OF DEVICE (IN MB)
 ;
+RFENABLE	.EQU	FALSE		; TRUE FOR RAM FLOPPY SUPPORT
+;
 PPKENABLE	.EQU	TRUE		; TRUE FOR PARALLEL PORT KEYBOARD
 PPKTRACE	.EQU	1		; 0=SILENT, 1=ERRORS, 2=EVERYTHING (ONLY RELEVANT IF PPKENABLE = TRUE)
 KBDENABLE	.EQU	FALSE		; TRUE FOR PS/2 KEYBOARD ON I8242

Source/config_zeta_ppisd.asm

@@ -0,0 +1,103 @@
+;
+;==================================================================================================
+;   ROMWBW 2.X CONFIGURATION FOR ZETA W/ PPISD
+;==================================================================================================
+;
+; BUILD CONFIGURATION OPTIONS
+;
+CPUFREQ		.EQU	20		; IN MHZ, USED TO COMPUTE DELAY FACTORS
+;
+BOOTCON		.EQU	CIODEV_UART	; CONSOLE DEVICE FOR BOOT MESSAGES (MUST BE PRIMARY SERIAL PORT FOR PLATFORM)
+DEFCON		.EQU	CIODEV_UART	; DEFAULT CONSOLE DEVICE (LOADER AND MONITOR): CIODEV_UART, CIODEV_CRT, CIODEV_PRPCON, CIODEV_PPPCON
+ALTCON		.EQU	DEFCON		; ALT CONSOLE DEVICE (USED WHEN CONFIG JUMPER SHORTED)
+CONBAUD		.EQU	38400		; BAUDRATE FOR CONSOLE DURING HARDWARE INIT
+DEFVDA		.EQU	VDADEV_NONE	; DEFAULT VDA DEVICE (VDADEV_NONE, VDADEV_VDU, VDADEV_CVDU, VDADEV_N8V, VDADEV_UPD7220)
+DEFEMU		.EQU	EMUTYP_TTY	; DEFAULT VDA EMULATION (EMUTYP_TTY, EMUTYP_ANSI, ...)
+TERMTYPE	.EQU	TERM_ANSI	; TERM_TTY=0, TERM_ANSI=1, TERM_WYSE=2
+;
+RAMSIZE		.EQU	512		; SIZE OF RAM IN KB, MUST MATCH YOUR HARDWARE!!!
+CLRRAMDISK	.EQU	CLR_AUTO	; CLR_ALWAYS, CLR_NEVER, CLR_AUTO (CLEAR IF INVALID DIR AREA)
+;
+DSKMAP		.EQU	DM_RAM		; DM_ROM, DM_RAM, DM_FD, DM_IDE, DM_PPIDE, DM_SD, DM_PRPSD, DM_PPPSD, DM_HDSK
+;
+DSKYENABLE	.EQU	FALSE		; TRUE FOR DSKY SUPPORT (DO NOT COMBINE WITH PPIDE)
+;
+UARTENABLE	.EQU	TRUE		; TRUE FOR UART SUPPORT (ALMOST ALWAYS WANT THIS TO BE TRUE)
+UARTCNT		.EQU	1		; NUMBER OF UARTS
+UART0IOB	.EQU	$68		; UART0 IOBASE
+UART0BAUD	.EQU	CONBAUD		; UART0 BAUDRATE
+UART0FIFO	.EQU	TRUE		; UART0 TRUE ENABLES UART FIFO (16550 ASSUMED, N8VEM AND ZETA ONLY)
+UART0AFC	.EQU	FALSE		; UART0 TRUE ENABLES AUTO FLOW CONTROL (YOUR TERMINAL/UART MUST SUPPORT RTS/CTS FLOW CONTROL!!!)
+;
+ASCIENABLE	.EQU	FALSE		; TRUE FOR Z180 ASCI SUPPORT
+ASCI0BAUD	.EQU	CONBAUD		; ASCI0 BAUDRATE (IMPLEMENTED BY Z180_CNTLB0)
+ASCI1BAUD	.EQU	CONBAUD		; ASCI1 BAUDRATE (IMPLEMENTED BY Z180_CNTLB1)
+;
+VDUENABLE	.EQU	FALSE		; TRUE FOR VDU BOARD SUPPORT
+CVDUENABLE	.EQU	FALSE		; TRUE FOR CVDU BOARD SUPPORT
+UPD7220ENABLE	.EQU	FALSE		; TRUE FOR uPD7220 BOARD SUPPORT
+N8VENABLE	.EQU	FALSE		; TRUE FOR N8 (TMS9918) VIDEO/KBD SUPPORT
+;
+DEFIOBYTE	.EQU	$00		; DEFAULT INITIAL VALUE FOR CP/M IOBYTE, $00=TTY, $01=CRT (MUST HAVE CRT HARDWARE)
+ALTIOBYTE	.EQU	DEFIOBYTE	; ALT INITIAL VALUE (USED WHEN CONFIG JUMPER SHORTED)
+WRTCACHE	.EQU	TRUE		; ENABLE WRITE CACHING IN CBIOS (DE)BLOCKING ALGORITHM
+DSKTRACE	.EQU	FALSE		; ENABLE TRACING OF CBIOS DISK FUNCTION CALLS
+;
+MDENABLE	.EQU	TRUE		; TRUE FOR ROM/RAM DISK SUPPORT (ALMOST ALWAYS WANT THIS ENABLED)
+;
+FDENABLE	.EQU	TRUE		; TRUE FOR FLOPPY SUPPORT
+FDMODE		.EQU	FDMODE_ZETA	; FDMODE_DIO, FDMODE_ZETA, FDMODE_DIDE, FDMODE_N8, FDMODE_DIO3
+FDTRACE		.EQU	1		; 0=SILENT, 1=FATAL ERRORS, 2=ALL ERRORS, 3=EVERYTHING (ONLY RELEVANT IF FDENABLE = TRUE)
+FDMEDIA		.EQU	FDM144		; FDM720, FDM144, FDM360, FDM120 (ONLY RELEVANT IF FDENABLE = TRUE)
+FDMEDIAALT	.EQU	FDM720		; ALTERNATE MEDIA TO TRY, SAME CHOICES AS ABOVE (ONLY RELEVANT IF FDMAUTO = TRUE)
+FDMAUTO		.EQU	TRUE		; SELECT BETWEEN MEDIA OPTS ABOVE AUTOMATICALLY
+;
+IDEENABLE	.EQU	FALSE		; TRUE FOR IDE SUPPORT
+IDEMODE		.EQU	IDEMODE_DIO	; IDEMODE_DIO, IDEMODE_DIDE
+IDETRACE	.EQU	1		; 0=SILENT, 1=ERRORS, 2=EVERYTHING (ONLY RELEVANT IF IDEENABLE = TRUE)
+IDE8BIT		.EQU	FALSE		; USE IDE 8BIT TRANSFERS (PROBABLY ONLY WORKS FOR CF CARDS!)
+IDECAPACITY	.EQU	64		; CAPACITY OF DEVICE (IN MB)
+;
+PPIDEENABLE	.EQU	FALSE		; TRUE FOR PPIDE SUPPORT (DO NOT COMBINE WITH DSKYENABLE)
+PPIDEIOB	.EQU	$60		; PPIDE IOBASE
+PPIDETRACE	.EQU	1		; 0=SILENT, 1=ERRORS, 2=EVERYTHING (ONLY RELEVANT IF PPIDEENABLE = TRUE)
+PPIDE8BIT	.EQU	FALSE		; USE IDE 8BIT TRANSFERS (PROBABLY ONLY WORKS FOR CF CARDS!)
+PPIDECAPACITY	.EQU	64		; CAPACITY OF DEVICE (IN MB)
+PPIDESLOW	.EQU	FALSE		; ADD DELAYS TO HELP PROBLEMATIC HARDWARE (TRY THIS IF PPIDE IS UNRELIABLE)
+;
+SDENABLE	.EQU	TRUE		; TRUE FOR SD SUPPORT
+SDMODE		.EQU	SDMODE_PPI	; SDMODE_JUHA, SDMODE_CSIO, SDMODE_UART, SDMODE_PPI, SDMODE_DSD
+SDTRACE		.EQU	1		; 0=SILENT, 1=ERRORS, 2=EVERYTHING (ONLY RELEVANT IF IDEENABLE = TRUE)
+SDCAPACITY	.EQU	64		; CAPACITY OF DEVICE (IN MB)
+SDCSIOFAST	.EQU	FALSE		; TABLE-DRIVEN BIT INVERTER
+;
+PRPENABLE	.EQU	FALSE		; TRUE FOR PROPIO SD SUPPORT (FOR N8VEM PROPIO ONLY!)
+PRPSDENABLE	.EQU	TRUE		; TRUE FOR PROPIO SD SUPPORT (FOR N8VEM PROPIO ONLY!)
+PRPSDTRACE	.EQU	1		; 0=SILENT, 1=ERRORS, 2=EVERYTHING (ONLY RELEVANT IF PRPSDENABLE = TRUE)
+PRPSDCAPACITY	.EQU	64		; CAPACITY OF DEVICE (IN MB)
+PRPCONENABLE	.EQU	TRUE		; TRUE FOR PROPIO CONSOLE SUPPORT (PS/2 KBD & VGA VIDEO)
+;
+PPPENABLE	.EQU	FALSE		; TRUE FOR PARPORTPROP SUPPORT
+PPPSDENABLE	.EQU	TRUE		; TRUE FOR PARPORTPROP SD SUPPORT
+PPPSDTRACE	.EQU	1		; 0=SILENT, 1=ERRORS, 2=EVERYTHING (ONLY RELEVANT IF PPPENABLE = TRUE)
+PPPSDCAPACITY	.EQU	64		; CAPACITY OF PPP SD DEVICE (IN MB)
+PPPCONENABLE	.EQU	TRUE		; TRUE FOR PROPIO CONSOLE SUPPORT (PS/2 KBD & VGA VIDEO)
+;
+HDSKENABLE	.EQU	FALSE		; TRUE FOR SIMH HDSK SUPPORT
+HDSKTRACE	.EQU	1		; 0=SILENT, 1=ERRORS, 2=EVERYTHING (ONLY RELEVANT IF IDEENABLE = TRUE)
+HDSKCAPACITY	.EQU	64		; CAPACITY OF DEVICE (IN MB)
+;
+RFENABLE	.EQU	FALSE		; TRUE FOR RAM FLOPPY SUPPORT
+;
+PPKENABLE	.EQU	FALSE		; TRUE FOR PARALLEL PORT KEYBOARD
+PPKTRACE	.EQU	1		; 0=SILENT, 1=ERRORS, 2=EVERYTHING (ONLY RELEVANT IF PPKENABLE = TRUE)
+KBDENABLE	.EQU	FALSE		; TRUE FOR PS/2 KEYBOARD ON I8242
+KBDTRACE	.EQU	1		; 0=SILENT, 1=ERRORS, 2=EVERYTHING (ONLY RELEVANT IF KBDENABLE = TRUE)
+;
+TTYENABLE	.EQU	FALSE		; INCLUDE TTY EMULATION SUPPORT
+ANSIENABLE	.EQU	FALSE		; INCLUDE ANSI EMULATION SUPPORT
+ANSITRACE	.EQU	1		; 0=SILENT, 1=ERRORS, 2=EVERYTHING (ONLY RELEVANT IF ANSIENABLE = TRUE)
+;
+BOOTTYPE	.EQU	BT_MENU		; BT_MENU (WAIT FOR KEYPRESS), BT_AUTO (BOOT_DEFAULT AFTER BOOT_TIMEOUT SECS)
+BOOT_TIMEOUT	.EQU	20		; APPROX TIMEOUT IN SECONDS FOR AUTOBOOT, 0 FOR IMMEDIATE
+BOOT_DEFAULT	.EQU	'R'		; SELECTION TO INVOKE AT TIMEOUT

Source/config_zeta_ppp.asm

@@ -87,6 +87,8 @@ HDSKENABLE	.EQU	FALSE		; TRUE FOR SIMH HDSK SUPPORT
 HDSKTRACE	.EQU	1		; 0=SILENT, 1=ERRORS, 2=EVERYTHING (ONLY RELEVANT IF IDEENABLE = TRUE)
 HDSKCAPACITY	.EQU	64		; CAPACITY OF DEVICE (IN MB)
 ;
+RFENABLE	.EQU	FALSE		; TRUE FOR RAM FLOPPY SUPPORT
+;
 PPKENABLE	.EQU	FALSE		; TRUE FOR PARALLEL PORT KEYBOARD
 PPKTRACE	.EQU	1		; 0=SILENT, 1=ERRORS, 2=EVERYTHING (ONLY RELEVANT IF PPKENABLE = TRUE)
 KBDENABLE	.EQU	FALSE		; TRUE FOR PS/2 KEYBOARD ON I8242

Source/config_zeta_std.asm

@@ -87,6 +87,8 @@ HDSKENABLE	.EQU	FALSE		; TRUE FOR SIMH HDSK SUPPORT
 HDSKTRACE	.EQU	1		; 0=SILENT, 1=ERRORS, 2=EVERYTHING (ONLY RELEVANT IF IDEENABLE = TRUE)
 HDSKCAPACITY	.EQU	64		; CAPACITY OF DEVICE (IN MB)
 ;
+RFENABLE	.EQU	FALSE		; TRUE FOR RAM FLOPPY SUPPORT
+;
 PPKENABLE	.EQU	FALSE		; TRUE FOR PARALLEL PORT KEYBOARD
 PPKTRACE	.EQU	1		; 0=SILENT, 1=ERRORS, 2=EVERYTHING (ONLY RELEVANT IF PPKENABLE = TRUE)
 KBDENABLE	.EQU	FALSE		; TRUE FOR PS/2 KEYBOARD ON I8242

Source/hbios.asm

@@ -149,6 +149,9 @@ HB_INITTBL:
 #IF (HDSKENABLE)
 	.DW	HDSK_INIT
 #ENDIF
+#IF (RFENABLE)
+	.DW	RF_INIT
+#ENDIF
 #IF (PPKENABLE)
 	.DW	PPK_INIT
 #ENDIF
@@ -326,6 +329,10 @@ DIO_DISPATCH1:
 #IF (HDSKENABLE)
 	CP	DIODEV_HDSK
 	JP	Z,HDSK_DISPATCH
+#ENDIF
+#IF (RFENABLE)
+	CP	DIODEV_RF
+	JP	Z,RF_DISPATCH
 #ENDIF
 	CALL	PANIC
 ;
@@ -734,6 +741,15 @@ SIZ_HDSK	.EQU	$ - ORG_HDSK
 		.ECHO	" bytes.\n"
 #ENDIF
 
+#IF (RFENABLE)
+ORG_RF	.EQU	$
+  #INCLUDE "rf.asm"
+SIZ_RF		.EQU	$ - ORG_RF
+		.ECHO	"RF occupies "
+		.ECHO	SIZ_RF
+		.ECHO	" bytes.\n"
+#ENDIF
+
 #IF (PPKENABLE)
 ORG_PPK		.EQU	$
   #INCLUDE "ppk.asm"

Source/loader.asm

@@ -524,7 +524,7 @@ dmloop:
 	ld	(BL_TMPDRV),a	; save it for printing if needed
 	call	CBIOS_GETDSK	; get drive into, c still has drive number
 	or	a		; set flags on result
-	jr	nz,dmdone	; error, skip this drive
+	jp	nz,dmdone	; error, skip this drive
 	ld	(BL_TMPLU),de	; save lu for later
 	ld	a,b		; device/unit into a for matching below
 	
@@ -570,6 +570,10 @@ dmloop:
 	cp	DIODEV_HDSK	; SIMH HDSK
 	jr	z,dmprt
 
+	ld	de,str_devrf
+	cp	DIODEV_RF	; RAM FLOPPY
+	jr	z,dmprt
+
 	jr	dmdone
 
 dmprt:
@@ -770,6 +774,7 @@ str_devsd	.DB	"SD$"
 str_devprpsd	.DB	"PRPSD$"
 str_devpppsd	.DB	"PPPSD$"
 str_devhdsk	.DB	"HDSK$"
+str_devrf	.DB	"RF$"
 #ENDIF
 ;
 ;==================================================================================================

Source/rf.asm

@@ -0,0 +1,127 @@
+;
+;==================================================================================================
+;   RAM FLOPPY DISK DRIVER
+;==================================================================================================
+;
+;
+;
+RF_U0IO		.EQU	$A0
+RF_U1IO		.EQU	$A4
+;
+; IO PORT OFFSETS
+;
+RF_DAT		.EQU	0
+RF_AL		.EQU	1
+RF_AH		.EQU	2
+RF_ST		.EQU	3
+;
+;
+;
+RF_DISPATCH:
+	LD	A,B		; GET REQUESTED FUNCTION
+	AND	$0F
+	JR	Z,RF_READ
+	DEC	A
+	JR	Z,RF_WRITE
+	DEC	A
+	JR	Z,RF_STATUS
+	DEC	A
+	JR	Z,RF_MEDIA
+	CALL	PANIC
+;
+; RF_MEDIA
+;
+RF_MEDIA:
+	LD	A,C		; DEVICE/UNIT IS IN C
+	AND	$0F		; ISOLATE UNIT NUM
+	CP	2		; CHECK FOR MAX UNIT EXCEEDED
+	CALL	NC,PANIC	; PANIC IF TOO HIGH
+	LD	A,MID_RF	; SET CORRECT MEDIA VALUE
+	RET
+;
+;
+;
+RF_INIT:
+	PRTS("RF: UNITS=2$")
+;
+	XOR	A		; INIT SUCCEEDED
+	RET			; RETURN
+;
+;
+;
+RF_STATUS:
+	XOR	A		; STATUS ALWAYS OK
+	RET
+;
+;
+;
+RF_READ:
+	CALL	RF_SETIO
+	CALL	RF_SETADR
+	LD	HL,(DIOBUF)
+	LD	B,0
+	LD	A,(RF_IO)
+	OR	RF_DAT
+	LD	C,A
+	INIR
+	INIR
+	XOR	A
+	RET
+;
+;
+;
+RF_WRITE:
+	CALL	RF_SETIO
+	LD	A,(RF_IO)
+	OR	RF_ST
+	LD	C,A
+	IN	A,(C)
+	BIT	0,A			; CHECK WRITE PROTECT
+	LD	A,1			; PREPARE TO RETURN FALSE (ERROR)
+	RET	NZ			; WRITE PROTECTED!
+	CALL	RF_SETADR
+	LD	HL,(DIOBUF)
+	LD	B,0
+	LD	A,(RF_IO)
+	OR	RF_DAT
+	LD	C,A
+	OTIR
+	OTIR
+	XOR	A
+	RET
+;
+;
+;
+RF_SETIO:
+	LD	A,(HSTDSK)	; GET DEVICE/UNIT
+	AND	$0F		; ISOLATE UNIT NUM
+	JR	NZ,RF_SETIO1
+	LD	A,RF_U0IO
+	JR	RF_SETIO3
+RF_SETIO1:
+	DEC	A
+	JR	NZ,RF_SETIO2
+	LD	A,RF_U1IO
+	JR	RF_SETIO3
+RF_SETIO2:
+	CALL	PANIC		; INVALID UNIT
+RF_SETIO3:
+	LD	(RF_IO),A
+	RET
+;
+;
+;
+RF_SETADR:
+	LD	A,(RF_IO)
+	OR	RF_AL
+	LD	C,A
+	LD	A,(HSTSEC)
+	OUT	(C),A
+	LD	A,(HSTTRK)
+	INC	C
+	OUT	(C),A
+	RET
+;
+;
+;
+RF_IO	.DB	0

Source/rf_dph.asm

@@ -0,0 +1,30 @@
+;
+;==================================================================================================
+;   RF DISK DRIVER - DATA
+;==================================================================================================
+;
+; RAM FLOPPY 00
+;
+		.DB	DIODEV_RF + 0
+RFDPH0		.DW 	0000,0000
+		.DW 	0000,0000
+		.DW 	DIRBF,DPB_RF
+		.DW 	RFCSV0,RFALV0
+;
+; RAM FLOPPY 01
+;
+		.DB	DIODEV_RF + 1
+RFDPH1		.DW 	0000,0000
+		.DW 	0000,0000
+		.DW 	DIRBF,DPB_RF
+		.DW 	RFCSV1,RFALV1
+;
+RFCKS		.EQU	0		; CKS: 0 FOR NON-REMOVABLE MEDIA
+RFALS		.EQU	256		; ALS: BLKS / 8 = 2048 / 8 = 256 (ROUNDED UP)
+;
+; BUFFERS
+;
+RFCSV0:		.FILL	RFCKS		; NO DIRECTORY CHECKSUM, NON-REMOVABLE DRIVE
+RFALV0:		.FILL	RFALS		; MAX OF 2048 DATA BLOCKS
+RFCSV1:		.FILL	RFCKS		; NO DIRECTORY CHECKSUM, NON-REMOVABLE DRIVE
+RFALV1:		.FILL	RFALS		; MAX OF 2048 DATA BLOCKS

Source/std-n8vem.inc

@@ -24,6 +24,7 @@ DIODEV_SD	.EQU	$50
 DIODEV_PRPSD	.EQU	$60
 DIODEV_PPPSD	.EQU	$70
 DIODEV_HDSK	.EQU	$80
+DIODEV_RF	.EQU	$90
 ;
 ; VDA DEVICES (VIDEO DISPLAY ADAPTER)
 ;

Source/std.asm

@@ -57,6 +57,7 @@ DM_SD		.EQU	6		; SD DRIVE PRIORITY
 DM_PRPSD	.EQU	7		; PROPIO SD DRIVE PRIORITY
 DM_PPPSD	.EQU	8		; PROPIO SD DRIVE PRIORITY
 DM_HDSK		.EQU	9		; SIMH HARD DISK DRIVE PRIORITY
+DM_RF		.EQU	10		; RAM FLOPPY PRIORITY
 ;
 ; FLOPPY DISK MEDIA SELECTIONS (ID'S MUST BE INDEX OF ENTRY IN FCD_TBL)
 ;
@@ -77,6 +78,7 @@ MID_FD144	.EQU	5
 MID_FD360	.EQU	6
 MID_FD120	.EQU	7
 MID_FD111	.EQU	8
+MID_RF		.EQU	9
 ;
 ; FD MODE SELECTIONS
 ;

Source/ver.inc

@@ -1,7 +1,7 @@
 #DEFINE	RMJ	2
 #DEFINE	RMN	5
-#DEFINE	RUP	1
-#DEFINE	RTP	17
-#DEFINE BIOSVER	"2.5.1"
-#DEFINE BIOSBLD "Build 17"
-#DEFINE REVISION 412
+#DEFINE	RUP	2
+#DEFINE	RTP	18
+#DEFINE BIOSVER	"2.5.2"
+#DEFINE BIOSBLD "Build 18"
+#DEFINE REVISION 500

Source/zcpr.asm

@@ -727,8 +727,9 @@ PRINT:
 ;
 PRIN1:
 	MOV	A,M		;GET NEXT BYTE
-	ANI	7FH		;WW - CLEAR MSB
-	CALL	CONOUT		;PRINT CHAR
+	ANI	~80H		;WW - CLEAR HIGH BIT
+;WW	CALL	CONOUT		;PRINT CHAR
+	CNZ	CONOUT		;WW - DON'T OUTPUT CHAR IF ZERO
 	MOV	A,M		;GET NEXT BYTE AGAIN FOR TEST
 	INX	H		;PT TO NEXT BYTE
 	ORA	A		;SET FLAGS