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Antic Magazine 1984 December
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Antic_Magazine_1984_12_Antic.atr
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infobits.asm
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Assembly Source File
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2023-02-26
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2KB
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1 lines
10 ; LISTING 2¢15 ; INFOBITS.ASM¢30 ICCOM = $0342¢40 ICBAL = $0344¢50 ICBAH = $0345¢60 ICBLL = $0348¢70 ICBLH = $0349¢80 CIOV = $E456¢90 PUTREC = $09¢0100 GETREC = $05¢0110 ROWCUR = $54¢0120 CH = $02FC¢0130 EOL = $9B¢0140 RBLL = $0358¢0150 SBUFL = $E0¢0160 SBUFH = $E1¢0170 SBLL = $E2¢0180 R = $E3¢0190 RBUF = $03FD¢0200 *= $0600¢0210 PLA ¢0220 PLA ¢0230 STA SBUFH¢0240 PLA ¢0250 STA SBUFL¢0260 PLA ¢0270 PLA ¢0280 STA SBLL¢0290 ;¢0300 GET LDX #$10¢0310 LDA #GETREC¢0320 STA ICCOM,X¢0330 LDA #RBUF&$FF¢0340 STA ICBAL,X¢0350 LDA #RBUF/256¢0360 STA ICBAH,X¢0361 LDA #131¢0363 STA ICBLL,X¢0365 LDA #0¢0367 STA ICBLH,X¢0370 JSR CIOV¢0380 BMI END¢0390 ;¢0400 LDX #0¢0420 LDY #0¢0450 P1 LDA RBUF,X¢0460 P2 CMP (SBUFL),Y¢0470 BEQ P3¢0480 CPY #0¢0490 BEQ P4¢0500 LDY #0¢0505 LDX R¢0510 JMP P4¢0520 P3 INY ¢0530 CPY SBLL¢0540 BCS PRINT¢0560 P4 INX ¢0570 CPX RBLL¢0580 BCS GET¢0585 CPY #0¢0590 BNE P1¢0595 STX R¢0600 JMP P1¢0610 ;¢0620 END RTS ¢0630 ;¢0800 PRINT LDX #$20¢0810 LDA #PUTREC¢0820 STA ICCOM,X¢0830 LDA #131¢0840 STA ICBLL,X¢0850 LDA #0¢0860 STA ICBLH,X¢0870 ;¢0880 LDA ROWCUR¢0890 CMP #20¢0900 BCS PROMPT¢0910 ;¢0920 LDA #RBUF+$0A&$FF¢0930 STA ICBAL,X¢0940 LDA #RBUF+$0A/256¢0950 STA ICBAH,X¢0970 JSR CIOV¢0980 JMP GET¢0990 ;¢1000 PROMPT LDA #MESSAGE&$FF¢1010 STA ICBAL,X¢1020 LDA #MESSAGE/256¢1030 STA ICBAH,X¢1040 JSR CIOV¢1050 WAIT LDA CH¢1060 CMP #255¢1070 BEQ WAIT¢1072 LDA #255¢1074 STA CH¢1080 LDA #CLEAR&$FF¢1090 STA ICBAL,X¢1100 LDA #CLEAR/256¢1110 STA ICBAH,X¢1120 LDA #5¢1130 STA ICBLL,X¢1140 LDA #0¢1150 STA ICBLH,X¢1160 JSR CIOV¢1170 JMP PRINT¢2000 ;¢2010 MESSAGE .BYTE "áIJמךáידךá",EOL¢2015 CLEAR .BYTE "}",EOL¢