mmt@dciem.UUCP (Martin Taylor) (04/04/84)
The following program was taken from INFO-MAC on the ARPANET. I am using
it at this moment to talk to my UNIX host, and it has been tested for simple
ASCII terminal operation and for transmission of files to and from the host.
The copyright notice is self-explanatory.
==============================
1000 REM MacTEP - Macintosh Terminal Emulator - Version 1.60a
1010 REM Dennis F. Brothers - Compuserve ID [70065,172] - 16 Mar 84
1020 REM COPYRIGHT 1984 - BROTHERS ASSOCIATES, WAYLAND MA
1030 REM PERMISSION IS HEREBY GRANTED FOR PERSONAL, NON-COMMERCIAL
1040 REM REPRODUCTION AND USE OF THIS PROGRAM, PROVIDED THAT THIS NOTICE IS
1050 REM INCLUDED IN ANY COPY
1060 REM
1070 REM Modem connection (MAC -> modem) 3->7 5->2 8->1 9->3
1080 REM
1090 REM
1100 DEFINT A-Z :REM default to integers for speed
1110 REM
1120 REM
1130 REM Define constants
1140 REM
1150 BUFLIM=32
1160 REM
1170 FALSE=0: TRUE=-1
1180 REM
1190 LF=10: LF$=CHR$(LF)
1200 CR=13: CR$=CHR$(CR)
1202 BS=8: BS$=CHR$(BS)
1204 DEL=127: DEL$=CHR$(DEL)
1210 XON=17:XON$=CHR$(XON)
1220 XOFF=19: XOFF$=CHR$(XOFF)
1230 REM
1240 CMDB=186: CMDB$=CHR$(CMDB)
1250 CMDE=171: CMDE$=CHR$(CMDE)
1260 CMDR=168: CMDR$=CHR$(CMDR)
1270 CMDT=160: CMDT$=CHR$(CMDT)
1280 REM
1290 REM
2000 REM initialize and display startup information
2010 REM
2020 CALL TEXTSIZE(9): CALL TEXTFONT(4): WIDTH 80
2030 CLS: PRINT: PRINT: PRINT
2040 PRINT "MacTEP - V1.60a - copyright ) 1984, Brothers Associates
2050 PRINT: PRINT: PRINT
2051 PRINT " Enter sends a CONTROL-C"
2052 PRINT " Command-C interrupts this program"
2060 PRINT " Option-E option-E exits to the Macintosh desktop"
2070 PRINT " Option-T starts and stops ASCII transmit (upload)"
2080 PRINT " Option-R starts and stops ASCII receive (download)"
2090 PRINT " Option-B starts and stops ASCII Basic receive"
2100 PRINT " (lines not beginning with a digit are ignored"
2110 PRINT: PRINT
2120 REM
2130 REM Open the COM1 port, set the baud rate
2140 REM
2150 OPEN "com1: " AS #1
2160 GOSUB 9000
2170 PRINT: PRINT: PRINT
2180 REM
2190 REM
3000 REM Main terminal emulator routines
3010 REM
3020 IF BR > 300 THEN GOTO 4000
3030 REM
3040 REM Low speed - no throttling required
3050 REM
3060 WHILE LOC(1)<>0
3070 C=ASC(INPUT$(1,1)) AND &H7F
3080 IF C<>LF AND C<>XOFF AND C<>XON THEN PRINT CHR$(C);
3090 WEND
3100 C$=INKEY$
3110 IF C$="" THEN GOTO 3060
3120 IF C$=CMDE$ THEN PRINT: PRINT "Exiting...": SYSTEM
3130 IF C$=CMDB$ THEN BMODE=TRUE: GOTO 5000
3140 IF C$=CMDR$ THEN BMODE=FALSE: GOTO 5000
3150 IF C$=CMDT$ THEN GOTO 6000
3152 IF C$=BS$ THEN C$=BSCH$
3160 PRINT #1,C$;
3170 GOTO 3060
3180 REM
3190 REM
4000 REM high speed - use X-on/X-off throttling
4010 REM
4020 XFLAG=FALSE
4030 WHILE LOC(1)<>0
4040 IF (LOC(1)>BUFLIM) AND (NOT XFLAG) THEN PRINT #1,XOFF;: XFLAG=TRUE
4050 C=ASC(INPUT$(1,1)) AND &H7F
4060 IF C<>LF AND C<>XOFF AND C<>XON THEN PRINT CHR$(C);
4070 WEND
4080 IF XFLAG THEN XFLAG=FALSE: PRINT #1,XON$;
4090 C$=INKEY$
4100 IF C$="" THEN GOTO 4030
4110 IF C$=CMDE$ THEN PRINT: PRINT "Exiting...": SYSTEM
4120 IF C$=CMDB$ THEN BMODE=TRUE: GOTO 5000
4130 IF C$=CMDR$ THEN BMODE=FALSE: GOTO 5000
4140 IF C$=CMDT$ THEN GOTO 6000
4142 IF C$=BS$ THEN C$=BSCH$
4150 PRINT #1,C$
4160 GOTO 4030
4170 REM
4180 REM
5000 REM receive (download) ASCII file
5010 REM
5020 PRINT: LINE INPUT "receive file name: ",F$
5025 IF F$="" THEN GOTO 3000
5030 OPEN F$ FOR OUTPUT AS #2
5040 XFLAG=FALSE: L$=""
5050 WHILE F$<>""
5060 WHILE LOC(1)<>0
5070 IF (LOC(1)>BUFLIM) AND (NOT XFLAG) THEN PRINT #1,XOFF$;: XFLAG=TRUE
5080 C=ASC(INPUT$(1,1)) AND &H7F
5090 IF C=LF OR C=XOFF OR C=XON THEN GOTO 5170
5100 PRINT CHR$(C);
5110 IF C<>CR THEN L$=L$+CHR$(C): GOTO 5170
5120 IF NOT XFLAG THEN PRINT #1,XOFF$;: XFLAG=TRUE
5130 IF BMODE AND (L$="") THEN GOTO 5170
5140 IF BMODE THEN C$=LEFT$(L$,1): IF (C$<"0") OR (C$>"9") THEN GOTO 5160
5150 PRINT #2,L$
5160 L$=""
5170 WEND
5180 IF XFLAG THEN XFLAG=FALSE: PRINT #1,XON$;
5190 C$=INKEY$
5200 IF C$="" THEN GOTO 5250
5210 IF ((C$<>CMDB$) AND (C$<>CMDR$)) THEN PRINT #1,C$;: GOTO 5250
5220 CLOSE #2
5230 PRINT: PRINT "Receive Ended": PRINT
5240 F$=""
5250 WEND
5260 GOTO 3000
5270 REM
5280 REM
6000 REM transmit (upload) ASCII file
6010 REM
6020 PRINT: LINE INPUT "transmit file name: ",F$
6030 IF F$="" THEN GOTO 3000
6040 OPEN F$ FOR INPUT AS #2
6050 XFLAG=FALSE: DLY=FALSE: QUIT=FALSE
6060 I=1: LL=0
6070 WHILE NOT ((EOF(2) AND (I>LL)) OR QUIT)
6080 WHILE LOC(1)<>0
6090 IF (LOC(1)>BUFLIM) AND (NOT XFLAG) THEN PRINT #1,XOFF$;: XFLAG=TRUE
6100 C=ASC(INPUT$(1,1)) AND &H7F
6110 IF C=LF THEN GOTO 6150
6120 IF C=XOFF THEN DLY=TRUE: GOTO 6150
6130 IF C=XON THEN DLY=FALSE: GOTO 6150
6140 PRINT CHR$(C);
6150 WEND
6160 IF XFLAG THEN XFLAG=FALSE: PRINT #1,XON$;
6170 IF DLY THEN GOTO 6250
6180 IF I<=LL THEN GOTO 6230
6190 PRINT #1,XOFF$;
6200 LINE INPUT #2,L$
6210 I=0: LL=LEN(L$)
6220 PRINT #1,XON$;
6230 IF I=LL THEN PRINT #1,CR$;: I=I+1: GOTO 6250
6240 I=I+1: PRINT #1,MID$(L$,I,1);
6250 C$=INKEY$
6260 IF C$="" THEN GOTO 6290
6270 IF C$=CMDT$ THEN QUIT=TRUE: GOTO 6290
6280 PRINT #1,C$;
6290 WEND
6300 CLOSE #2
6310 PRINT: PRINT "Transmit Ended": PRINT
6320 GOTO 3000
6330 REM
6340 REM
9000 REM Subroutine to ask for and set COM1 baud rate
9010 REM
9020 REM Fill array with Write SCC B machine-language subroutine
9030 REM
9040 DIM ML(50)
9050 I=0
9060 READ A: ML(I)=A
9070 I=I+1
9080 IF A<>-1 THEN GOTO 9060
9090 REM
9100 REM Get baud rate, calculate time constant, and bash SCC
9110 REM
9120 INPUT "Baud Rate: ",BR
9130 TC=(115200!/BR)-2
9140 TCH=INT(TC/256)
9150 TCL=TC MOD 256
9160 R=12: X=TCL: WSCCB!=VARPTR(ML(0)): CALL WSCCB!(R,X)
9170 R=13: X=TCH: WSCCB!=VARPTR(ML(0)): CALL WSCCB!(R,X)
9172 INPUT "delete instead of backspace (y/n)", BSC$
9174 IF BSC$="Y" OR BSC$="y" THEN BSCH$=DEL$ ELSE BSCH$=BS$
9180 RETURN
9190 REM
9200 REM 68000 machine language code for subroutine to write
9210 REM control regs of Z8530 Serial Communication Controller (SCC)
9220 REM - this subroutine addresses the B port of the Mac's SCC
9230 REM
9240 REM link A6,0
9250 DATA &H4E56,&H0000
9260 REM move.B 11(A6),10(A6)
9270 DATA &H1D6E,&H000B,&H000A
9280 REM clr.B 11(A6)
9290 DATA &H422E,&H000B
9300 REM move.B 9(A6),8(A6)
9310 DATA &H1D6E,&H0009,&H0008
9320 REM clr.B 9(A6)
9330 DATA &H422E,&H0009
9340 REM or.W 0700H,SR
9350 DATA &H007C,&H0700
9360 REM move.W 10(A6),00B00002H
9370 DATA &H33EE,&H000A,&H00B0,&H0002
9380 REM move.W 8(A6),00B00002H
9390 DATA &H33EE,&H0008,&H00B0,&H0002
9400 REM and.W 0F8FFH,SR
9410 DATA &H027C,&HF8FF
9420 REM unlk A6
9430 DATA &H4E5E
9440 REM rts
9450 DATA &H4E75
9460 REM
9470 DATA -1
9480 REM
9490 END
--
Martin Taylor
{allegra,linus,ihnp4,uw-beaver,floyd,ubc-vision}!utzoo!dciem!mmt