Atari Mega Archive 2/Atari Mega Archive CD - Volume 2.iso/8bit/cislib_a/echo.txt

Text File | 1995-04-22 | 2KB | 1 lines

0100 ;ECHO.M650110 ;Bill Aycock 3-870120 ;0130 ;Show the arguments on a0140 ; SpartaDOS command line0150 ;0160 ;For further info, see the0170 ; SpartaDOS owner's manual0180 ;  (pgs 108-111)0190 ;0200 ;-----------------------------0210 ;0220 ;assemble the code out of the0230 ;way of everything0240 ;0250     *=  $40000260 ;0270 ;0280 ;SpartaDOS will run a loaded0290 ;file at the beginning address0300 ;of the first segment, so0310 ;start the code with a JMP0320 ;to the control routine.0330 ;(start the routine with a0340 ; byte $60 (rts) if you don't0350 ; want the routine re-entered)0360 ;0370     JMP START0380 ;0390 ;0400 ;---equates-------------------0410 ;0420 ;0430 ZCR .WORD 0     ;get an arg0440 CFN .WORD 0     ;arg buffer0450 DOSVEC = $0A    ;addr of comtab0460 CIOV =  $E456   ;cio vector0470 COM =   $0342   ;iccom0480 ADR =   $0344   ;icbal0490 LEN =   $0348   ;icbll0500 ;0510 ;0520 ;------------------------------0530 ;0540 FIXPTRS0550 ;0560 ;set up the pointers to the0570 ;SpartaDOS routine to get an0580 ;arg (ZCRNAME) and to the0590 ;arg buffer (COMFNAM)0600 ;0610     LDA DOSVEC+1 ;zcr=comtab+30620     STA ZCR+10630     LDA DOSVEC0640     CLC 0650     ADC #30660     BCC OK10670     INC ZCR+10680 OK10690     STA ZCR0700     LDA ZCR+1   ;cfn=comtab+330710     STA CFN+10720     LDA ZCR0730     CLC 0740     ADC #300750     BCC OK20760     INC CFN0770 OK20780     STA CFN0790     RTS 0800 ;0810 ;0820 ;-----------------------------0830 ;0840 CALLZ0850 ;0860 ;fake an indirect jsr to zcr0870 ;by 'jsr callz'0880 ;0890     JMP (ZCR)0900 ;0910 ;0920 ;-----------------------------0930 ;0940 SHOW0950 ;0960 ;show the arg in the buffer0970 ;(note that 'Dn:' is added0980 ;in front of each argument,0990 ;so skip 3 bytes if necessary)1000 ;1010     LDX #01020     STX LEN+11030     LDA CFN1040     STA ADR1050     LDA CFN+11060     STA ADR+11070     LDA #281080     STA LEN1090     LDA #9      ;print text line1100     STA COM1110     JSR CIOV1120     RTS 1130 ;1140 ;1150 ;-----------------------------1160 ;1170 START1180 ;1190 ;set it up and do it1200 ;1210     JSR FIXPTRS1220 GO1230     JSR CALLZ1240     BEQ QUIT    ;z set=no args1250     JSR SHOW1260     TYA 1270     BPL GO1280 QUIT1290     RTS 1300 ;1310     .END 4444444444444444444444444444444444444444444444444444444444444444444444444444