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modem7
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m7ssm-2.asm
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Assembly Source File
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1994-07-13
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9KB
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245 lines
; M7SSM-2.ASM -- SSM-I/O Board
;
; You will want to look this file over carefully. There are a number of
; options that you can use to configure the program to suit your taste.
;
; Much of the information contained here is not in the MDM712.ASM file.
;
; Edit this file for your preferences then follow the "TO USE:" example
; shown below.
;
; Use the "SET" command to change the baudrate when desired. It starts
; out at 1200 baud when the program is first called up.
;
; TO USE: First edit this file filling in answers for your own
; equipment. Then assemble with ASM.COM or equivalent
; assembler. Then use DDT to overlay the results
; of this program to the original .COM file:
;
; A>DDT MDM7xx.COM
; DDT VERS 2.2
; NEXT PC
; 4x00 0100
; -IM7SSM-2.HEX (note the "I" command)
; -R ("R" loads in the .HEX file)
; NEXT PC
; 4x00 0000
; -G0 (return to CP/M)
; A>SAVE 73 MDM7xx.COM (now have a modified .COM file)
; ^
; May vary depending upon version of MDM7xx.COM
; = = = = = = = = = = = = = = = = = =
; 04/30/84 - Renamed and revised for MDM7xx.COM -Dennis Recla
;
; 11/02/83 - Modified M712CS.ASM for CCS-SYSTEM and any S-100 type
; computer with the SSM I/O Board and an external 212A
; (Bell 212A or Hayes Smartmodem 1200) modem.
; - Harry Kaemmerer
;
; 10/29/83 - Modified MDM705XE for CCS-SYSTEM 320/420 and any S-100 type
; computers with the CCS-2830 I/O Board and an external 212A
; (Bell 212A or Hayes Smartmodem 1200) modem.
; - Harry Kaemmerer
;
; 07/27/83 - Renamed to work with MDM712 - Irv Hoff
;
; = = = = = = = = = = = = = = = = = =
;
BELL: EQU 07H ;bell
CR: EQU 0DH ;carriage return
ESC: EQU 1BH ;escape
LF: EQU 0AH ;linefeed
;
YES: EQU 0FFH
NO: EQU 0
;
PORT: EQU 0AH ;Modem DART/SIO base port
MODCTL1: EQU PORT ;Modem control port
MODDATP: EQU PORT+1 ;Modem data port
MODCTL2: EQU PORT ;Modem status port
MODRCVB: EQU 01H ;Your bit to test for receive
MODRCVR: EQU 01H ;Your value when receive ready
MODSNDB: EQU 02H ;Your bit to test for send
MODSNDR: EQU 02H ;Your value when send ready
;
ORG 100H
DS 3 ;(for "JMP START" instruction)
;
; Change the clock speed to suit your system
;
PMMIMODEM: DB NO ;yes=PMMI S-100 Modem 103H
SMARTMODEM: DB NO ;yes=HAYES Smartmodem 1200 104H
TOUCHPULSE: DB 'T' ;T=touch, P=pulse (Smartmodem-only) 105H
CLOCK: DB 40 ;clock speed in MHz x10, 25.5 MHz max. 106H
;20=2 MHh, 37=3.68 MHz, 40=4 MHz, etc.
MSPEED: DB 5 ;1=300 5=1200 8=9600 107H
BYTDLY: DB 5 ;0=0 delay 1=10ms 5=50 ms - 9=90 ms 108H
;default time to send character in ter-
;minal mode file transfer for slow BBS.
CRDLY: DB 5 ;0=0 delay 1=100 ms 5=500 ms - 9=900 ms 109H
;default time for extra wait after CRLF
;in terminal mode file transfer
NOOFCOL: DB 5 ;number of DIR columns shown 10AH
SETUPTST: DB yes ;yes=user-added Setup routine 10BH
SCRNTEST: DB YES ;Clear Sreen routine 10CH
ACKNAK: DB YES ;yes=resend a record after any non-ACK 10DH
;no=resend a record after a valid NAK
BAKUPBYTE: DB NO ;yes=change any file same name to .BAK 10EH
CRCDFLT: DB YES ;yes=default to CRC checking 10FH
TOGGLECRC: DB YES ;yes=allow toggling of CRC to Checksum 110H
CONVBKSP: DB NO ;yes=convert backspace to rub 111H
TOGGLEBK: DB YES ;yes=allow toggling of bksp to rub 112H
ADDLF: DB NO ;no=no LF after CR to send file in 113H
;terminal mode (added by remote echo)
TOGGLELF: DB YES ;yes=allow toggling of LF after CR 114H
TRANLOGON: DB no ;yes=allow transmission of logon 115H
;write logon sequence at location LOGON
SAVCCP: DB YES ;yes=do not overwrite CCP 116H
LOCONEXTCHR: DB NO ;yes=local command if EXTCHR precedes 117H
;no=external command if EXTCHR precedes
TOGGLELOC: DB YES ;yes=allow toggling of LOCONEXTCHR 118H
LSTTST: DB YES ;yes=printer available on printer port 119H
XOFFTST: DB NO ;yes=check for XOFF from remote while 11AH
;sending a file in terminal mode
XONWAIT: DB NO ;yes=wait for XON after CR while 11BH
;sending a file in terminal mode
TOGXOFF: DB YES ;yes=allow toggling of XOFF checking 11CH
IGNORCTL: DB no ;yes=CTL-chars above ^M not displayed 11DH
EXTRA1: DB 0 ;for future expansion 11EH
EXTRA2: DB 0 ;for future expansion 11FH
BRKCHR: DB '@'-40H ;^@ = Send a 300 ms. break tone 120H
NOCONNCT: DB 'N'-40H ;^N = Disconnect from the phone line 121H
LOGCHR: DB 'L'-40H ;^L = Send logon 122H
LSTCHR: DB 'P'-40H ;^P = Toggle printer 123H
UNSAVE: DB 'R'-40H ;^R = Close input text buffer 124H
TRANCHR: DB 'T'-40H ;^T = Transmit file to remote 125H
SAVECHR: DB 'Y'-40H ;^Y = Open input text buffer 126H
EXTCHR: DB '^'-40H ;^^ = Send next character 127H
;
DS 2 ; 128H
IN$MODCTL1: IN MODCTL1 ;get status
RET ! NOP ! NOP
NOP ! NOP
DS 3
;
OUT$MODDATP: OUT MODDATP ! RET ;out modem data port 134H
DS 7
IN$MODDATP: IN MODDATP ! RET ;in modem data port 13EH
DS 7
ANI$MODRCVB: ANI MODRCVB ! RET ;bit to test for receive ready 148H
CPI$MODRCVR: CPI MODRCVR ! RET ;value of receive bit when rdy 14BH
ANI$MODSNDB: ANI MODSNDB ! RET ;bit to test for send ready 14EH
CPI$MODSNDR: CPI MODSNDR ! RET ;value of send bit when ready 151H
DS 6 ; 154H
OUT$MODCTL1: ret ! nop ! nop ; Cant be used with a UART 15AH
OUT$MODCTL2: ret ! nop ! nop ; Cant be used with a UART 15DH
;
LOGONPTR: DW LOGON ;for user message. 160H
DS 6 ; 162H
JMP$GOODBYE: JMP GOODBYE ; 168H
JMP$INITMOD: JMP INITMOD ;go to user written routine 16BH
RET ! NOP ! NOP ;(by-passes PMMI routine) 16EH
RET ! NOP ! NOP ;(by-passes PMMI routine) 171H
RET ! NOP ! NOP ;(by-passes PMMI routine) 174H
JMP$SETUPR: JMP SETUPR ; 177H
JMP$SPCLMENU: JMP SPCLMENU ; 17AH
JMP$SYSVER: JMP SYSVER ; 17DH
JMP$BREAK: JMP SENDBRK ; 180H
;
; Do not change the following six lines.
;
JMP$ILPRT: DS 3 ; 183H
JMP$INBUF DS 3 ; 186H
JMP$INLNCOMP: DS 3 ; 189H
JMP$INMODEM DS 3 ; 18CH
JMP$NXTSCRN: DS 3 ; 18FH
JMP$TIMER: DS 3 ; 192H
;
; Clear sequences -- CLREOS is clear to end of screen, CLRSCRN is clear
; entire screen. Last entry must be 0. Any other 0's act as NOP's.
;
CLREOS: CALL JMP$ILPRT ;Clears at all time all! 195H
DB 0,0,0,0,0 ;not in use for phk 198H
RET ; 19DH
;
CLRSCRN: CALL JMP$ILPRT ;for TeleVideo 920 Terminal 19EH
DB 1AH,0,0,0,0 ; 1A1H
RET ; 1A6H
;
;-----------------------------------------------------------------------
;
; You can change the SYSVER message to be longer or shorter. The
; end of your last routine should terminate by 0400H (601 bytes
; available after start of SYSVER) if using the Hayes Smartmodem
; or by address 0C00H (2659 bytes) otherwise.
;
;
SYSVER: CALL JMP$ILPRT ; 1A7H
DB 'SSM I/O Board'
DB CR,LF,0
RET
;
;-----------------------------------------------------------------------
;
; You can put in a message at this location which can be called up with
; CTL-L if TRANLOGON has been set TRUE. You can put in several lines if
; desired. End with a 0.
;
;
LOGON: DB 'XMODEM S',0 ;,CR,LF,0
;
;-----------------------------------------------------------------------
;
SENDBRK: RET ; Cant be used with a UART
GOODBYE: RET ; Cant be used with a UART
GOODBYE1: RET ; Cant be used with a UART
INITMOD: ; Cant be used with a UART
INITMOD1: MVI A,5 ; DEFAULT TRANSFER TIME TO 1200 BAUD
STA MSPEED ;
INITMOD2: RET ; Cant be used with a UART
;
;-----------------------------------------------------------------------
;
; Setup routine to allow changing modem speed with the SET command.
;
SETUPR: LXI D,BAUDBUF ;POINT TO NEW INPUT BUFFER
CALL JMP$ILPRT
DB 'Input Baud Rate (300 and 1200 set your Modem also): ',0
CALL JMP$INBUF
LXI D,BAUDBUF+2
CALL JMP$INLNCOMP ;COMPARE BAUDBUF+2 WITH CHARACTERS BELOW
DB '300',0
JNC OK300 ;GO IF GOT MATCH
CALL JMP$INLNCOMP
DB '1200',0
JNC OK1200
CALL JMP$ILPRT ;ALL MATCHES FAILED, TELL OPERATOR
DB 'Incorrect entry!',CR,LF,BELL,0
JMP SETUPR ;TRY AGAIN
;
OK300: MVI A,1
JMP LOADBD
;
OK1200: MVI A,5
;
LOADBD: STA INITMOD1+1 ;CHANGE TIME-TO-SEND TO MATCH BAUDRATE
JMP INITMOD1 ;REINITIALIZE TO NEW BAUDRATE, THEN DONE
;
baudbuf: DB 10,0
DS 10
;
;-----------------------------------------------------------------------
;
; The following routine can be used as an auxiliary menu for notes of
; interest to a particular computer, etc. If using the Hayes Smartmodem
; this is unavailable without a special address change.
;
SPCLMENU: RET
;
;-----------------------------------------------------------------------
;
; NOTE: MUST TERMINATE PRIOR TO 0400H (with Smartmodem)
; 0C00H (without Smartmodem)
;
END