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Assembly Source File | 1986-02-11 | 10.6 KB | 367 lines

; MXO-R210.ASM -- TRS-80 MODEL II OVERLAY FILE FOR MEX10. 05/25/84 ; ; 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. ; THIS FILE ADAPTS THE TRS-80 MODEL II/12/16. ; COMPUTERS TO MEX10. ; ; ; 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 THE BAUD RATE THAT WAS LAST SET BY CP/M OR THIS PROGRAM. ; ; ; TO USE: FIRST EDIT THIS FILE FILLING IN ANSWERS FOR YOUR OWN ; EQUIPMENT. THEN ASSEMBLE WITH ASM.COM OR EQUIVALENT ; ASSEMBLER. THEN USE MLOAD TO OVERLAY THE THE RESULTS ; OF THIS PROGRAM TO THE ORIGINAL .COM FILE. ; ; = = = = = = = = = = = = = = = = = = ; 05/25/84 - MEXIFIED THE OVERLAY. - BIFF BUEFFEL ; 11/11/83 - RENAMED TO M7R2-1.ASM, NO CHANGES - IRV HOFF ; 09/18/83 - MODIFIED M712XE.ASM FOR ; TRS-80 MODEL II AND PICKLES ; & TROUT CP/M (SHOULD ALSO ; WORK ON MODS 12 AND 16) - JOSEPH KATZ ; 03/20/84 - MODIFIED OVERLAY TO WORK WITH ANY CP/M ; AVAILABLE FOR MODS 2/12/16 - LARRY WINKLER ; ; 10/17/84 - MODIFIED OVERLAY SO THAT THE 'DTR' WOULD STAY ON ; BOB WILLIAMS ; = = = = = = = = = = = = = = = = = = ; BELL: EQU 07H ;BELL CR: EQU 0DH ;CARRIAGE RETURN ESC: EQU 1BH ;ESCAPE LF: EQU 0AH ;LINEFEED ; YES: EQU 0FFH NO: EQU 0 ; ; MEX service processor stuff ; 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 ; PRINT EQU 9 ;MEX/BDOS print-string function call ; PORT: EQU 0F4H ;TRS-80 II SERIAL OUTPUT PORT A MODCTL1: EQU PORT+2 ;MODEM CONTROL PORT MODDATP: EQU PORT ;MODEM DATA PORT MODCTL2: EQU PORT+2 ;MODEM STATUS PORT MODRCVB: EQU 01H ;BIT TO TEST FOR RECEIVE MODRCVR: EQU 01H ;VALUE WHEN RECEIVE READY MODSNDB: EQU 04H ;BIT TO TEST FOR SEND MODSNDR: EQU 04H ;VALUE WHEN SEND READY ; ; ORG 100H ; ; ; CHANGE THE CLOCK SPEED TO SUIT YOUR SYSTEM ; DS 3 ;(FOR "JMP START" INSTRUCTION) ; DB NO ;YES=PMMI S-100 MODEM 103H DB NO ;YES=HAYES SMARTMODEM, NO=NON-PMMI 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 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 0 ;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 0 ;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 ;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 YES ;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 YES ;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$MODCTL1: MVI A,10H ;CHANNEL 0, RESET INTERRUPTS 12AH OUT MODCTL1 IN MODCTL1 ;GET THE STATUS BITS RET DS 3 ; OUT$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: OUT MODCTL1 ! RET ;OUT MODEM CONTROL PORT 15AH OUT$MODCTL2: OUT MODCTL2 ! RET ;OUT MODEM STATUS PORT 15DH ; ; DS 2 ;NOT USED BY MEX 160H DS 6 ; 162H JMP$GOODBYE: JMP GOODBYE ; 168H JMP$INITMOD: JMP INITMOD ;GO TO USER WRITTEN ROUTINE 16BH JMP$NEWBAUD JMP NEWBAUD ;CHANGE BAUDRATE 16EH RET ! NOP ! NOP ;(BY-PASSES PMMI ROUTINE) 171H RET ! NOP ! NOP ;(BY-PASSES PMMI ROUTINE) 174H JMP$SETUPR: JMP SETUPR ; 177H DS 3 ; 17AH JMP$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. ; ; 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 'TRS-80 VERSION (FOR SERIAL PORT A)',CR,LF DB CR,LF,0 RET ; ; ; THIS ROUTINE ALLOWS A 300 MS. BREAK TONE TO BE SENT TO RESET SOME ; TIME-SHAR COMPUTERS. ; SENDBRK: MVI A,5 OUT MODCTL1 MVI A,0F8H ;SEND A BREAK TONE JMP GOODBYE1 ;..... ; ; ; THIS ROUTINE SENDS A 300 MS. BREAK TONE AND SETS DTR LOW FOR THE SAME ; LENGTH OF TIME TO DISCONNECT SOME MODEMS SUCH AS THE BELL 212A, ETC. ; GOODBYE: MVI A,5 OUT MODCTL1 ;SEND TO THE STATUS PORT MVI A,68H ;TURN OFF DTR ; GOODBYE1: OUT MODCTL1 MVI B,3 ;WAIT FOR 300 MS. MVI C,TIMER CALL MEX MVI A,5 OUT MODCTL1 MVI A,0E8H ;RESTORE TO NORMAL, 8 BITS, DTR ON, ETC. OUT MODCTL1 RET ;..... ; ; ; TRS-80 II INITIALIZATION -- SETS CTC TIMER F0H FOR SEND AND RECEIVE ; BAUDRATE. ; ; INITMOD1: MVI A,1 ;DEFAULT TRANSFER TIME TO 300 BAUD STA MSPEED CPI 6 JNC G2400 MVI A,07H ;USED IF <2400 BAUD JMP DOIT G2400: MVI A,47H ;IF >= 2400 BAUD DOIT: OUT 0F0H ;SEND TO 'CTC' TIMER OUT 0F1H ; INITMOD2: MVI A,34H ;INITIALIZE TO 300 BAUD OUT 0F0H OUT 0F1H ;..... INITMOD: MVI A,18H ;THROW OUT OF MODE OUT MODCTL1 MVI A,04H ;SELECT REGISTER OUT MODCTL1 MVI A,44H ;SET ASCII PARAMETERS OUT MODCTL1 MVI A,01H OUT MODCTL1 MVI A,00H OUT MODCTL1 MVI A,03H ;SELECT REG. OUT MODCTL1 MVI A,0C1H ;ENABLE RECEIVE OUT MODCTL1 MVI A,05H ;SELECT REG. OUT MODCTL1 ; MVI A,068H ;COMMENTED OUT BY BOB WILLIAMS ; NEXT LINE ADDED WAS DROPPING 'DTR' MVI A,0E8H ;ENABLE SEND, 'DTR', 'RTS' OUT MODCTL1 RET ; ; ; SETUP ROUTINE TO ALLOW CHANGING MODEM SPEED WITH THE SET COMMAND. ; ; 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 parsed argument 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 CR,LF,'Only 300 or 1200 allowed on SET command',CR,LF,0 RET ; CMDTBL: DB '30','0'+80H DW OK300 DB '120','0'+80H DW OK1200 DB 0 ; 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 ; ; OK110: MVI A,0 LHLD BD110 JMP LOADBD ; OK300: MVI A,1 LHLD BD300 JMP LOADBD ; OK600: MVI A,3 LHLD BD600 JMP LOADBD ; OK1200: MVI A,5 LHLD BD1200 JMP LOADBD ; OK2400: MVI A,6 LHLD BD2400 JMP LOADBD ; OK4800: MVI A,7 LHLD BD4800 JMP LOADBD ; OK9600: MVI A,8 LHLD BD9600 ; LOADBD: STA INITMOD1+1 ;CHANGE TIME-TO-SEND TO MATCH BAUDRATE MOV A,L ;GET BAUDRATE BYTE STA INITMOD2+1 ;SEND TO 'CTC' TIMER FOR NEW BAUDRATE JMP INITMOD1 ;REINITIALIZE TO NEW BAUDRATE, THEN DONE ; ; NEWBAUD: CPI 1 JZ OK300 CPI 5 JZ OK1200 RET ; ; ; TABLE OF BAUDRATE PARAMETERS ; BD110: DW 008EH ; THESE USE THE 07H COMMAND FIRST TO CTC BD300: DW 0034H BD600: DW 001AH BD1200: DW 000DH ;-------------------------------------------------------------------- BD2400: DW 0034H ; THESE USE THE 47H COMMAND FIRST TO CTC BD4800: DW 001AH BD9600: DW 000DH ; BAUDBUF: DB 10,0 DS 10 ; EOSMSG: DB 0CH,0,0,0,'$' CLSMSG: DB 0CH,0,0,0,'$' ;1AH IF NOT P&T ; ; NOTE: MUST TERMINATE PRIOR TO 0B00H (WITH SMARTMODEM) ; 0D00H (WITHOUT SMARTMODEM) ; END ; ;1AH IF NOT P&T ; ; NOTE: MUST TERMINATE PRIOR TO 0B00H (WITH SMARTMODEM) ; 0D00H (WITHOUT SMA