; MEXP1-1.ASM - MEX OVERLAY FOR PMC MICROMATE 101 ; Version 1.0 ; ; History: ; ; 84/11/02 Created from M7P1-1.ASM ; Ian Cottrell, Dept Energy, Mines and Resources, Ottawa, Canada ; = = = = = = = = = = = = = = = = = = ; ///////////////////////////////////////// ; / / ; / - - W A R N I N G - - / ; / / ; / This code uses CP/M 3 dependent / ; / stuff. / ; / / ; ///////////////////////////////////////// ; ; = = = = = = = = = = = = = = = = = = ; ; Use the "SET" command to change the baudrate when desired. ; ; To use: First edit this file, filling in answers for your own ; equipment. Then assemble with MAC.COM or equivalent ; assembler. Use MLOAD21 to overlay the results of this ; program on the original .COM file: ; ; MLOAD21 MEX.COM=MEX112.COM,MXO-P1-1.HEX ; ; = = = = = = = = = = = = = = = = = = ; ; BELL: EQU 07H ;bell CR: EQU 0DH ;carriage return ESC: EQU 1BH ;escape LF: EQU 0AH ;linefeed ; YES: EQU 0FFH NO: EQU 0 ; ; PMC Micromate Model 101 dependant stuff ; PORT: EQU 89H ;PMC SERIAL MODEM PORT MODCTL1: EQU PORT+2 ;Modem control port gts MODCTL2: EQU PORT+2 ;Modem control port gts MODDATP: EQU PORT ;Modem data port MODRCVB: EQU 01H ;Your bit to test for receive MODRCVR: EQU 01H ;Your value when receive ready. MODSNDB: EQU 04H ;Your bit to test for send. MODSNDR: EQU 04H ;Your value when xmitter available. ; P$BAUD EQU 93H ;Upper nibble = TERMNL P$GETBAUD EQU 95H ;Lower nibble = MODEM ; ; = = = = = = = = = = = = = = = = = = ; MEX Service Processor ; MEX EQU 0D00H ;address of the service processor INMDM EQU 255 ;get char from port to A, CY=no more in 100 ms TIMER EQU 254 ;delay 100ms * reg B TMDINP EQU 253 ;B=# secs to wait for char, cy=no char CHEKCC EQU 252 ;check for ^C from KBD, Z=present SNDRDY EQU 251 ;test for modem-send ready RCVRDY EQU 250 ;test for modem-receive ready SNDCHR EQU 249 ;send a character to the modem (after sndrdy) RCVCHR EQU 248 ;recv a char from modem (after rcvrdy) LOOKUP EQU 247 ;table search: see CMDTBL comments for info PARSFN EQU 246 ;parse filename from input stream BDPARS EQU 245 ;parse baud-rate from input stream SBLANK EQU 244 ;scan input stream to next non-blank EVALA EQU 243 ;evaluate numeric from input stream LKAHED EQU 242 ;get nxt char w/o removing from input GNC EQU 241 ;get char from input, cy=1 if none ILP EQU 240 ;inline print DECOUT EQU 239 ;decimal output PRBAUD EQU 238 ;print baud rate ; CONOUT EQU 2 ;simulated BDOS function 2: console char out PRINT EQU 9 ;simulated BDOS function 9: print string INBUF EQU 10 ;input buffer, same structure as BDOS 10 ; ORG 100H ; ; ; Change the clock speed to suit your system ; DS 3 ;(for "JMP START" instruction) ; PMMIMODEM: DB NO ;yes=PMMI S-100 Modem 103H SMARTMODEM: DB YES ;yes=HAYES Smartmodem, no=non-PMMI 104H TOUCHPULSE: DB 'P' ;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 1 ;0=110 1=300 2=450 3=600 4=710 5=1200 107H ;6=2400 7=4800 8=9600 9=19200 default 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 jw SCRNTEST: DB YES ;Cursor control 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 wcw 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 YES ;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 NO ;yes=printer available on printer port 119H XOFFTST: DB YES ;yes=checks for XOFF from remote while 11AH wcw ;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 YES ;yes=CTL-chars above ^M not displayed 11DH wcw EXTRA1: DB 0 ;for future expansion 11EH EXTRA2: DB 0 ;for future expansion 11FH BRKCHR: DB '@'-40H ;^@ = Send 300 ms. break tone 120H NOCONNCT: DB 'D'-40H ;^D = 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$MODCTL1: IN MODCTL1 ;in modem control port 12AH ; RET ; DS 7 ; IN$MODCTL1: XRA A ;Output 00H to command port 12AH wcw OUT MODCTL1 ; 12BH wcw MVI A,10H ;Output 10H to command port 12DH jw OUT MODCTL1 ; 12FH jw IN MODCTL1 ;Get status bits. 131H jw RET ; 133H ; OUT$MODDATP: OUT MODDATP ;out modem data port 134H RET DS 7 ; 137H IN$MODDATP: IN MODDATP ;in modem data port 13EH RET DS 7 ; 141H ANI$MODRCVB: ANI MODRCVB ;bit to test for receive ready 148H RET CPI$MODRCVR: CPI MODRCVR ;value of rcv. bit when ready 14BH RET ANI$MODSNDB: ANI MODSNDB ;bit to test for send ready 14EH RET CPI$MODSNDR: CPI MODSNDR ;value of send bit when ready 151H RET DS 6 ; 154H ; OUT$MODCTL1: OUT MODCTL1 ;out modem control port #2 15AH RET OUT$MODCTL2: OUT MODCTL2 ;out modem control port #1 15DH RET ; DS 2 ;not used by MEX 160H DS 6 ; 162H JMP$GOODBYE: JMP GOODBYE ; 168H JMP$INITMOD: JMP INITMOD ;go to user written routine 16BH JMP$NEWBAUD: JMP NEWBAUD ;change baud rate RET ;(by-passes PMMI routine) 171H NOP NOP RET ;(by-passes PMMI routine) 174H NOP NOP JMP$SETUPR: JMP SETUPR ; 177H DS 3 ;not used by MEX 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 ; ; ; Routine to clear to end of screen. If using CLREOS and CLRSCRN, set ; SCRNTEST to YES at 010AH (above). ; CLREOS: LXI D,EOSMSG MVI C,PRINT CALL MEX RET ; CLRSCRN: LXI D,CLSMSG MVI C,PRINT CALL MEX RET ; ; SYSVER: MVI C,ILP ; 1A7H CALL MEX DB 'Version for PMC Micromate Model 101 - ' DB CR,LF DB 'With external Hayes Smartmodem 1200' DB CR,LF,0 RET ;----------------------------------------------------------------------- ; ; NOTE: 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. ; ;----------------------------------------------------------------------- ; ; Add your own routine here to send a break tone to reset some time-sharing ; computers, if desired. ; SENDBRK: RET ;..... ; ; ; Add your own routine here to put DTR low and/or send a break tone. ; Check other routines such as MDM709DP.ASM (M7DP-1.ASM) which is ; using this feature. ; GOODBYE: RET ;..... ; ; ; You can use this area for any special initialization or setup you may ; wish to include. Each must stop with a RET. You can check the other ; available overlays for ideas how to write your own routines if that ; may be of some help. ; INITMOD:MVI L,8 ;set baud rate to 1200 CALL BAUDMCH MVI A,5 STA MSPEED ;set MSPEED to match RET ; ;Allow baud rate change w SET cmd SETUPR: MVI C,SBLANK ;any arguments CALL MEX JC TELL ;if not, go display baud LXI D,CMDTBL MVI C,LOOKUP CALL MEX ;parse argument PUSH H ;save any arg addrs on stack RNC ;if we have one, return to it POP H ;oops, input not found in table MVI C,ILP CALL MEX ;tell user input not valid DB '++ Incorrect Entry ++',CR,LF,BELL,0 RET CMDTBL: DB '30','0'+80H DW OK300 DB '60','0'+80H DW OK600 DB '120','0'+80H DW OK1200 DB '240','0'+80H DW OK2400 DB '480','0'+80H DW OK4800 DB '960','0'+80H DW OK9600 DB '1920','0'+80H DW OK1920 ; TELL MVI C,ILP CALL MEX ;print current baud rate DB CR,LF,'Baud rate is now: ',0 LDA MSPEED MVI C,PRBAUD CALL MEX RET OK300: MVI A,1 ;MSPEED 300 baud value LHLD BD300 ;300 baud value in 'HL' JMP BAUDMCH ;go do it OK600: MVI A,3 LHLD BD600 JMP BAUDMCH OK1200: MVI A,5 LHLD BD1200 JMP BAUDMCH OK2400: MVI A,6 LHLD BD2400 JMP BAUDMCH OK4800: MVI A,7 LHLD BD4800 JMP BAUDMCH OK9600: MVI A,8 LHLD BD9600 JMP BAUDMCH OK1920: MVI A,9 LHLD BD1920 JMP BAUDMCH BAUDMCH:PUSH PSW ;save MSPEED value PUSH H ;Save baud code MVI C,32H ;Function: direct bios call. LXI D,BIOSPB ;BIOS parameter block CALL 5 LXI D,8+7 ;Index to BAUD rate in 2nd DAD D ; entry. (i.e. MODEM) POP D ;Get new code back. MOV A,M ;Best not to change high ANI 0F0H ; nibble, whatever it is. ORA E ;Put new code in table. MOV M,A ; MVI C,32H ;Function: direct bios call. LXI D,BIOSPB1 ;Initialize device means to CALL 5 ; set BAUD rate to PMC. POP PSW ;restore MSPEED value STA MSPEED ;set it RET NEWBAUD:CPI 1 JZ OK300 CPI 3 JZ OK600 CPI 5 JZ OK1200 CPI 6 JZ OK2400 CPI 7 JZ OK4800 CPI 8 JZ OK9600 CPI 9 JZ OK1920 RET ; ; Table of Baud Rate Parameters ; BD300 DW 0006H BD600 DW 0007H BD1200 DW 0008H BD2400 DW 000AH BD4800 DW 000CH BD9600 DW 000EH BD1920 DW 000FH ; BIOSPB DB 20 ;BIOS fcn: return devtbl address DB 0 ;A-reg contents DW 0 ;BC-reg contents DW 0 ;DE-reg contents DW 0 ;HL-reg contents ; BIOSPB1 DB 21 ;BIOS fcn: initialize device in c-reg DB 0 ;A-reg contents DB 1 ;C-reg=1 for MODEM DB 0 ;B-reg DW 0 ;DE-reg DW 0 ;HL-reg ; SPCLMENU: RET ;..... ; ; ; BAUDBUF: DB 10,0 DS 10 EOSMSG: DB 23,0,0,0,0,'$' ;clear to eos for Cybernex XL-87 CLSMSG: DB 24,0,0,0,0,'$' ;clear screen for Cybernex XL-87 ;----------------------------------------------------------------------- ; ; NOTE: MUST TERMINATE PRIOR TO 0B00H (with Smartmodem) ; 0D00H (without Smartmodem) ;..... ; END ;