There are two sections, BASIC and KERNAL. Commodore 64 BASIC ROM Disassembly Version 1.0 (June 1994) A000 .WD $E394 ; RESET A002 .WD $E37B ; Warm Start ; CBMBASIC A004 .BY $43,$42,$4D,$42,$41,$53,$49,$43 ; address table for commands ; (address minus 1 used) A00C .WD $A830 ; end A00E .WD $A741 ; for A010 .WD $AD1D ; next A012 .WD $A8F7 ; data A014 .WD $ABA4 ; input# A016 .WD $ABBE ; input A018 .WD $B080 ; dim A01A .WD $AC05 ; read A01C .WD $A9A4 ; let A01E .WD $A89F ; goto A020 .WD $A870 ; run A022 .WD $A927 ; if A024 .WD $A81C ; restore A026 .WD $A882 ; gosub A028 .WD $A8D1 ; return A02A .WD $A93A ; rem A02C .WD $A82E ; stop A02E .WD $A94A ; on A030 .WD $B82C ; wait A032 .WD $E167 ; load A034 .WD $E155 ; save A036 .WD $E164 ; verify A038 .WD $B3B2 ; def A03A .WD $B823 ; poke A03C .WD $AA7F ; print# A03E .WD $AA9F ; print A040 .WD $A856 ; cont A042 .WD $A69B ; list A044 .WD $A65D ; clr A046 .WD $AA85 ; cmd A048 .WD $E129 ; sys A04A .WD $E1BD ; open A04C .WD $E1C6 ; close A04E .WD $AB7A ; get A050 .WD $A641 ; new ; address table for functions A052 .WD $BC39 ; sgn A054 .WD $BCCC ; int A056 .WD $BC58 ; abs A058 .WD $0310 ; usr A05A .WD $B37D ; fre A05C .WD $B39E ; pos A05E .WD $BF71 ; sqr A060 .WD $E097 ; rnd A062 .WD $B9EA ; log A064 .WD $BFED ; exp A066 .WD $E264 ; cos A068 .WD $E26B ; sin A06A .WD $E2B4 ; tan A06C .WD $E30E ; atn A06E .WD $B80D ; peek A070 .WD $B77C ; len A072 .WD $B465 ; str$ A074 .WD $B7AD ; val A076 .WD $B78B ; asc A078 .WD $B6EC ; chr$ A07A .WD $B700 ; left$ A07C .WD $B72C ; right$ A07E .WD $B737 ; mid$ ; priority and address table ; for operators ; (address minus 1 used) A080 .BY $79 A081 .WD $B869 ; plus A083 .BY $79 A084 .WD $B852 ; minus A086 .BY $7B A087 .WD $BA2A ; multiply A089 .BY $7B A08A .WD $BB11 ; divide A08C .BY $7F A08D .WD $BF7A ; power A08F .BY $50 A090 .WD $AFE8 ; AND A092 .BY $46 A093 .WD $AFE5 ; OR A095 .BY $7D A096 .WD $BFB3 ; negative A098 .BY $5A A099 .WD $AED3 ; NOT A09B .BY $64 A09C .WD $B015 ; greater / equal / less ; table of commands ; each ended with a +$80 A09E .BY $45,$4E,$C4 ; end A0A1 .BY $46,$4F,$D2 ; for A0A4 .BY $4E,$45,$58,$D4 ; next A0A8 .BY $44,$41,$54,$C1 ; data A0AC .BY $49,$4E,$50,$55,$54,$A3 ; input# A0B2 .BY $49,$4E,$50,$55,$D4 ; input A0B7 .BY $44,$49,$CD ; dim A0BA .BY $52,$45,$41,$C4 ; read A0BE .BY $4C,$45,$D4 ; let A0C1 .BY $47,$4F,$54,$CF ; goto A0C5 .BY $52,$55,$CE ; run A0C8 .BY $49,$C6 ; if A0CA .BY $52,$45,$53,$54,$4F,$52,$C5 ; restore A0D1 .BY $47,$4F,$53,$55,$C2 ; gosub A0D6 .BY $52,$45,$54,$55,$52,$CE ; return A0DC .BY $52,$45,$CD ; rem A0DF .BY $53,$54,$4F,$D0 ; stop A0E3 .BY $4F,$CE ; on A0E5 .BY $57,$41,$49,$D4 ; wait A0E9 .BY $4C,$4F,$41,$C4 ; load A0ED .BY $53,$41,$56,$C5 ; save A0F1 .BY $56,$45,$52,$49,$46,$D9 ; verify A0F7 .BY $44,$45,$C6 ; def A0FA .BY $50,$4F,$4B,$C5 ; poke A0FE .BY $50,$52,$49,$4E,$54,$A3 ; print# A104 .BY $50,$52,$49,$4E,$D4 ; print A109 .BY $43,$4F,$4E,$D4 ; cont A10D .BY $4C,$49,$53,$D4 ; list A111 .BY $43,$4C,$D2 ; clr A114 .BY $43,$4D,$C4 ; cmd A117 .BY $53,$59,$D3 ; sys A11A .BY $4F,$50,$45,$CE ; open A11E .BY $43,$4C,$4F,$53,$C5 ; close A123 .BY $47,$45,$D4 ; get A126 .BY $4E,$45,$D7 ; new ; table of functions ; each ended with a +$80 A129 .BY $54,$41,$42,$A8 ; tab( A12D .BY $54,$CF ; to A12F .BY $46,$CE ; fn A131 .BY $53,$50,$43,$A8 ; spc( A135 .BY $54,$48,$45,$CE ; then A139 .BY $4E,$4F,$D4 ; not A13C .BY $53,$54,$45,$D0 ; step A140 .BY $AB ; plus A141 .BY $AD ; minus A142 .BY $AA ; multiply A143 .BY $AF ; divide A144 .BY $DE ; power A145 .BY $41,$4E,$C4 ; and A148 .BY $4F,$D2 ; on A14A .BY $BE ; greater A14B .BY $BD ; equal A14C .BY $BC ; less A14D .BY $53,$47,$CE ; sgn A150 .BY $49,$4E,$D4 ; int A153 .BY $41,$42,$D3 ; abs A156 .BY $55,$53,$D2 ; usr A159 .BY $46,$52,$C5 ; fre A15C .BY $50,$4F,$D3 ; pos A15F .BY $53,$51,$D2 ; sqr A162 .BY $52,$4E,$C4 ; rnd A165 .BY $4C,$4F,$C7 ; log A168 .BY $45,$58,$D0 ; exp A16B .BY $43,$4F,$D3 ; cos A16E .BY $53,$49,$CE ; sin A171 .BY $54,$41,$CE ; tan A174 .BY $41,$54,$CE ; atn A177 .BY $50,$45,$45,$CB ; peek A17B .BY $4C,$45,$CE ; len A17E .BY $53,$54,$52,$A4 ; str$ A182 .BY $56,$41,$CC ; val A185 .BY $41,$53,$C3 ; asc A188 .BY $43,$48,$52,$A4 ; chr$ A18C .BY $4C,$45,$46,$54,$A4 ; left$ A191 .BY $52,$49,$47,$48,$54,$A4 ; right$ A197 .BY $4D,$49,$44,$A4 ; mid$ ; other commands A19B .BY $47,$CF ; go A19D .BY $00 ; table of errors messages ; each ended with a +$80 ; too many files A19E .BY $54,$4F,$4F A1A1 .BY $20,$4D,$41,$4E,$59 A1A6 .BY $20,$46,$49,$4C,$45,$D3 ; file open A1AC .BY $46,$49,$4C,$45 A1B0 .BY $20,$4F,$50,$45,$CE ; file not open A1B5 .BY $46,$49,$4C,$45 A1B9 .BY $20,$4E,$4F,$54 A1BD .BY $20,$4F,$50,$45,$CE ; file not found A1C2 .BY $46,$49,$4C,$45 A1C6 .BY $20,$4E,$4F,$54 A1CA .BY $20,$46,$4F,$55,$4E,$C4 ; device not present A1D0 .BY $44,$45,$56,$49,$43,$45 A1D6 .BY $20,$4E,$4F,$54 A1DA .BY $20,$50,$52,$45,$53,$45,$4E,$D4 ; not input file A1E2 .BY $4E,$4F,$54 A1E5 .BY $20,$49,$4E,$50,$55,$54 A1EB .BY $20,$46,$49,$4C,$C5 ; not output file A1F0 .BY $4E,$4F,$54 A1F3 .BY $20,$4F,$55,$54,$50,$55,$54 A1FA .BY $20,$46,$49,$4C,$C5 ; missisng file name A1FF .BY $4D,$49,$53,$53,$49,$4E,$47 A206 .BY $20,$46,$49,$4C,$45 A20B .BY $20,$4E,$41,$4D,$C5 ; illegal device number A210 .BY $49,$4C,$4C,$45,$47,$41,$4C A217 .BY $20,$44,$45,$56,$49,$43,$45 A21E .BY $20,$4E,$55,$4D,$42,$45,$D2 ; next without for A225 .BY $4E,$45,$58,$54 A229 .BY $20,$57,$49,$54,$48,$4F,$55,$54 A231 .BY $20,$46,$4F,$D2 ; syntax A235 .BY $53,$59,$4E,$54,$41,$D8 ; return without gosub A23B .BY $52,$45,$54,$55,$52,$4E A241 .BY $20,$57,$49,$54,$48,$4F,$55,$54 A249 .BY $20,$47,$4F,$53,$55,$C2 ; out of data A24F .BY $4F,$55,$54 A252 .BY $20,$4F,$46 A255 .BY $20,$44,$41,$54,$C1 ; illegal quantity A25A .BY $49,$4C,$4C,$45,$47,$41,$4C A261 .BY $20,$51,$55,$41,$4E,$54,$49,$54,$D9 ; overflow A26A .BY $4F,$56,$45,$52,$46,$4C,$4F,$D7 ; out of memory A272 .BY $4F,$55,$54 A275 .BY $20,$4F,$46 A278 .BY $20,$4D,$45,$4D,$4F,$52,$D9 ; undef'd statement A27F .BY $55,$4E,$44,$45,$46,$27,$44 A286 .BY $20,$53,$54,$41,$54,$45,$4D,$45,$4E,$D4 ; bad subscript A290 .BY $42,$41,$44 A293 .BY $20,$53,$55,$42,$53,$43,$52,$49,$50,$D4 ; redim'd array A29D .BY $52,$45,$44,$49,$4D,$27,$44 A2A4 .BY $20,$41,$52,$52,$41,$D9 ; division by zero A2AA .BY $44,$49,$56,$49,$53,$49,$4F,$4E A2B2 .BY $20,$42,$59 A2B5 .BY $20,$5A,$45,$52,$CF ; illegal direct A2BA .BY $49,$4C,$4C,$45,$47,$41,$4C A2C1 .BY $20,$44,$49,$52,$45,$43,$D4 ; type mismatch A2C8 .BY $54,$59,$50,$45 A2CC .BY $20,$4D,$49,$53,$4D,$41,$54,$43,$C8 ; string to long A2D5 .BY $53,$54,$52,$49,$4E,$47 A2DB .BY $20,$54,$4F,$4F A2DF .BY $20,$4C,$4F,$4E,$C7 ; file data A2E4 .BY $46,$49,$4C,$45 A2E8 .BY $20,$44,$41,$54,$C1 ; formula too complex A2ED .BY $46,$4F,$52,$4D,$55,$4C,$41 A2F4 .BY $20,$54,$4F,$4F A2F8 .BY $20,$43,$4F,$4D,$50,$4C,$45,$D8 ; can't continue A300 .BY $43,$41,$4E,$27,$54 A305 .BY $20,$43,$4F,$4E,$54,$49,$4E,$55,$C5 ; undef'd function A30E .BY $55,$4E,$44,$45,$46,$27,$44 A315 .BY $20,$46,$55,$4E,$43,$54,$49,$4F,$CE ; verify A31E .BY $56,$45,$52,$49,$46,$D9 ; load A324 .BY $4C,$4F,$41,$C4 ; error message address locations A328 .WD $A19E ; 01 too many files A32A .WD $A1AC ; 02 file open A32C .WD $A1B5 ; 03 file not open A32E .WD $A1C2 ; 04 file not found A330 .WD $A1D0 ; 05 device not present A332 .WD $A1E2 ; 06 not input file A334 .WD $A1F0 ; 07 not output file A336 .WD $A1FF ; 08 missing file name A338 .WD $A210 ; 09 illegal device number A33A .WD $A225 ; 0A next without for A33C .WD $A235 ; 0B syntax A33E .WD $A23B ; 0C return without gosub A340 .WD $A24F ; 0D out of data A342 .WD $A25A ; 0E illegal quantity A344 .WD $A26A ; 0F overflow A346 .WD $A272 ; 10 out of memory A348 .WD $A27F ; 11 undef'd statment A34A .WD $A290 ; 12 bad subscript A34C .WD $A29D ; 13 redim'd array A34E .WD $A2AA ; 14 devision by zero A350 .WD $A2BA ; 15 illegal direct A352 .WD $A2C8 ; 16 type mismatch A354 .WD $A2D5 ; 17 string too long A356 .WD $A2E4 ; 18 file data A358 .WD $A2ED ; 19 formula too complex A35A .WD $A300 ; 1A can't continue A35C .WD $A30E ; 1B undef'd function A35E .WD $A31E ; 1C verify A360 .WD $A324 ; 1D load A362 .WD $A383 ; 1E break ; other messages ; ok A364 .BY $0D,$4F,$4B,$0D A368 .BY $00 ; error A369 .BY $20,$20,$45,$52,$52,$4F,$52 A370 .BY $00 ; in A371 .BY $20,$49,$4E,$20 A375 .BY $00 ; ready. A376 .BY $0D,$0A,$52,$45,$41,$44,$59,$2E,$0D,$0A A380 .BY $00 ; break A381 .BY $0D,$0A A383 .BY $42,$52,$45,$41,$4B A388 .BY $00 A389 .BY $A0 ; search for "for" blocks on stack A38A BA TSX A38B E8 INX A38C E8 INX A38D E8 INX A38E E8 INX A38F BD 01 01 LDA $0101,X A392 C9 81 CMP #$81 ; for block code A394 D0 21 BNE $A3B7 A396 A5 4A LDA $4A A398 D0 0A BNE $A3A4 A39A BD 02 01 LDA $0102,X A39D 85 49 STA $49 A39F BD 03 01 LDA $0103,X A3A2 85 4A STA $4A A3A4 DD 03 01 CMP $0103,X A3A7 D0 07 BNE $A3B0 A3A9 A5 49 LDA $49 A3AB DD 02 01 CMP $0102,X A3AE F0 07 BEQ $A3B7 A3B0 8A TXA A3B1 18 CLC A3B2 69 12 ADC #$12 A3B4 AA TAX A3B5 D0 D8 BNE $A38F A3B7 60 RTS ; move bytes after check for space A3B8 20 08 A4 JSR $A408 A3BB 85 31 STA $31 A3BD 84 32 STY $32 ; move bytes routine ; $5F/$60 source start address ; $5A/$5B source end address ; $58/$59 destination end address A3BF 38 SEC A3C0 A5 5A LDA $5A A3C2 E5 5F SBC $5F A3C4 85 22 STA $22 A3C6 A8 TAY A3C7 A5 5B LDA $5B A3C9 E5 60 SBC $60 A3CB AA TAX A3CC E8 INX A3CD 98 TYA A3CE F0 23 BEQ $A3F3 A3D0 A5 5A LDA $5A A3D2 38 SEC A3D3 E5 22 SBC $22 A3D5 85 5A STA $5A A3D7 B0 03 BCS $A3DC A3D9 C6 5B DEC $5B A3DB 38 SEC A3DC A5 58 LDA $58 A3DE E5 22 SBC $22 A3E0 85 58 STA $58 A3E2 B0 08 BCS $A3EC A3E4 C6 59 DEC $59 A3E6 90 04 BCC $A3EC A3E8 B1 5A LDA ($5A),Y A3EA 91 58 STA ($58),Y A3EC 88 DEY A3ED D0 F9 BNE $A3E8 A3EF B1 5A LDA ($5A),Y A3F1 91 58 STA ($58),Y A3F3 C6 5B DEC $5B A3F5 C6 59 DEC $59 A3F7 CA DEX A3F8 D0 F2 BNE $A3EC A3FA 60 RTS ; test for 2 * A bytes free on stack A3FB 0A ASL A3FC 69 3E ADC #$3E A3FE B0 35 BCS $A435 A400 85 22 STA $22 A402 BA TSX A403 E4 22 CPX $22 A405 90 2E BCC $A435 A407 60 RTS ; array area overflow check A408 C4 34 CPY $34 A40A 90 28 BCC $A434 A40C D0 04 BNE $A412 A40E C5 33 CMP $33 A410 90 22 BCC $A434 A412 48 PHA A413 A2 09 LDX #$09 A415 98 TYA A416 48 PHA A417 B5 57 LDA $57,X A419 CA DEX A41A 10 FA BPL $A416 A41C 20 26 B5 JSR $B526 A41F A2 F7 LDX #$F7 A421 68 PLA A422 95 61 STA $61,X A424 E8 INX A425 30 FA BMI $A421 A427 68 PLA A428 A8 TAY A429 68 PLA A42A C4 34 CPY $34 A42C 90 06 BCC $A434 A42E D0 05 BNE $A435 A430 C5 33 CMP $33 A432 B0 01 BCS $A435 A434 60 RTS ; out of memory error A435 A2 10 LDX #$10 ; error number ; handle error messages A437 6C 00 03 JMP ($0300) ; normally A43A ; standard error message handler A43A 8A TXA A43B 0A ASL A43C AA TAX A43D BD 26 A3 LDA $A326,X A440 85 22 STA $22 A442 BD 27 A3 LDA $A327,X A445 85 23 STA $23 A447 20 CC FF JSR $FFCC A44A A9 00 LDA #$00 A44C 85 13 STA $13 A44E 20 D7 AA JSR $AAD7 A451 20 45 AB JSR $AB45 A454 A0 00 LDY #$00 A456 B1 22 LDA ($22),Y A458 48 PHA A459 29 7F AND #$7F A45B 20 47 AB JSR $AB47 A45E C8 INY A45F 68 PLA A460 10 F4 BPL $A456 A462 20 7A A6 JSR $A67A A465 A9 69 LDA #$69 ; low A369 A467 A0 A3 LDY #$A3 ; high A369 A469 20 1E AB JSR $AB1E A46C A4 3A LDY $3A A46E C8 INY A46F F0 03 BEQ $A474 A471 20 C2 BD JSR $BDC2 A474 A9 76 LDA #$76 ; low A376 A476 A0 A3 LDY #$A3 ; low A376 A478 20 1E AB JSR $AB1E A47B A9 80 LDA #$80 A47D 20 90 FF JSR $FF90 A480 6C 02 03 JMP ($0302) ; normally A483 ; standard warm start routine A483 20 60 A5 JSR $A560 A486 86 7A STX $7A A488 84 7B STY $7B A48A 20 73 00 JSR $0073 A48D AA TAX A48E F0 F0 BEQ $A480 A490 A2 FF LDX #$FF A492 86 3A STX $3A A494 90 06 BCC $A49C A496 20 79 A5 JSR $A579 A499 4C E1 A7 JMP $A7E1 ; handle insert/delete basic lines A49C 20 6B A9 JSR $A96B A49F 20 79 A5 JSR $A579 A4A2 84 0B STY $0B A4A4 20 13 A6 JSR $A613 A4A7 90 44 BCC $A4ED ; delete old line A4A9 A0 01 LDY #$01 A4AB B1 5F LDA ($5F),Y A4AD 85 23 STA $23 A4AF A5 2D LDA $2D A4B1 85 22 STA $22 A4B3 A5 60 LDA $60 A4B5 85 25 STA $25 A4B7 A5 5F LDA $5F A4B9 88 DEY A4BA F1 5F SBC ($5F),Y A4BC 18 CLC A4BD 65 2D ADC $2D A4BF 85 2D STA $2D A4C1 85 24 STA $24 A4C3 A5 2E LDA $2E A4C5 69 FF ADC #$FF A4C7 85 2E STA $2E A4C9 E5 60 SBC $60 A4CB AA TAX A4CC 38 SEC A4CD A5 5F LDA $5F A4CF E5 2D SBC $2D A4D1 A8 TAY A4D2 B0 03 BCS $A4D7 A4D4 E8 INX A4D5 C6 25 DEC $25 A4D7 18 CLC A4D8 65 22 ADC $22 A4DA 90 03 BCC $A4DF A4DC C6 23 DEC $23 A4DE 18 CLC A4DF B1 22 LDA ($22),Y A4E1 91 24 STA ($24),Y A4E3 C8 INY A4E4 D0 F9 BNE $A4DF A4E6 E6 23 INC $23 A4E8 E6 25 INC $25 A4EA CA DEX A4EB D0 F2 BNE $A4DF ; insert new line A4ED 20 59 A6 JSR $A659 A4F0 20 33 A5 JSR $A533 A4F3 AD 00 02 LDA $0200 A4F6 F0 88 BEQ $A480 A4F8 18 CLC A4F9 A5 2D LDA $2D A4FB 85 5A STA $5A A4FD 65 0B ADC $0B A4FF 85 58 STA $58 A501 A4 2E LDY $2E A503 84 5B STY $5B A505 90 01 BCC $A508 A507 C8 INY A508 84 59 STY $59 A50A 20 B8 A3 JSR $A3B8 A50D A5 14 LDA $14 A50F A4 15 LDY $15 A511 8D FE 01 STA $01FE A514 8C FF 01 STY $01FF A517 A5 31 LDA $31 A519 A4 32 LDY $32 A51B 85 2D STA $2D A51D 84 2E STY $2E A51F A4 0B LDY $0B A521 88 DEY A522 B9 FC 01 LDA $01FC,Y A525 91 5F STA ($5F),Y A527 88 DEY A528 10 F8 BPL $A522 A52A 20 59 A6 JSR $A659 A52D 20 33 A5 JSR $A533 A530 4C 80 A4 JMP $A480 ; relink basic program A533 A5 2B LDA $2B A535 A4 2C LDY $2C A537 85 22 STA $22 A539 84 23 STY $23 A53B 18 CLC A53C A0 01 LDY #$01 A53E B1 22 LDA ($22),Y A540 F0 1D BEQ $A55F A542 A0 04 LDY #$04 A544 C8 INY A545 B1 22 LDA ($22),Y A547 D0 FB BNE $A544 A549 C8 INY A54A 98 TYA A54B 65 22 ADC $22 A54D AA TAX A54E A0 00 LDY #$00 A550 91 22 STA ($22),Y A552 A5 23 LDA $23 A554 69 00 ADC #$00 A556 C8 INY A557 91 22 STA ($22),Y A559 86 22 STX $22 A55B 85 23 STA $23 A55D 90 DD BCC $A53C A55F 60 RTS ; get statement into buffer A560 A2 00 LDX #$00 A562 20 12 E1 JSR $E112 A565 C9 0D CMP #$0D A567 F0 0D BEQ $A576 A569 9D 00 02 STA $0200,X A56C E8 INX A56D E0 59 CPX #$59 A56F 90 F1 BCC $A562 A571 A2 17 LDX #$17 ; error number A573 4C 37 A4 JMP $A437 A576 4C CA AA JMP $AACA ; goto end of line ; crunch tokens A579 6C 04 03 JMP ($0304) ; normally A57C ; standard token cruncher A57C A6 7A LDX $7A A57E A0 04 LDY #$04 A580 84 0F STY $0F A582 BD 00 02 LDA $0200,X A585 10 07 BPL $A58E A587 C9 FF CMP #$FF ; PI A589 F0 3E BEQ $A5C9 A58B E8 INX A58C D0 F4 BNE $A582 A58E C9 20 CMP #$20 ; space A590 F0 37 BEQ $A5C9 A592 85 08 STA $08 A594 C9 22 CMP #$22 ; quote mark A596 F0 56 BEQ $A5EE A598 24 0F BIT $0F A59A 70 2D BVS $A5C9 A59C C9 3F CMP #$3F ; question mark A59E D0 04 BNE $A5A4 A5A0 A9 99 LDA #$99 ; PRINT code A5A2 D0 25 BNE $A5C9 A5A4 C9 30 CMP #$30 ; 0 A5A6 90 04 BCC $A5AC A5A8 C9 3C CMP #$3C A5AA 90 1D BCC $A5C9 A5AC 84 71 STY $71 A5AE A0 00 LDY #$00 A5B0 84 0B STY $0B A5B2 88 DEY A5B3 86 7A STX $7A A5B5 CA DEX A5B6 C8 INY A5B7 E8 INX A5B8 BD 00 02 LDA $0200,X A5BB 38 SEC A5BC F9 9E A0 SBC $A09E,Y A5BF F0 F5 BEQ $A5B6 A5C1 C9 80 CMP #$80 A5C3 D0 30 BNE $A5F5 A5C5 05 0B ORA $0B A5C7 A4 71 LDY $71 A5C9 E8 INX A5CA C8 INY A5CB 99 FB 01 STA $01FB,Y A5CE B9 FB 01 LDA $01FB,Y A5D1 F0 36 BEQ $A609 A5D3 38 SEC A5D4 E9 3A SBC #$3A ; colon A5D6 F0 04 BEQ $A5DC A5D8 C9 49 CMP #$49 ; DATA code A5DA D0 02 BNE $A5DE A5DC 85 0F STA $0F A5DE 38 SEC A5DF E9 55 SBC #$55 ; REM code A5E1 D0 9F BNE $A582 A5E3 85 08 STA $08 A5E5 BD 00 02 LDA $0200,X A5E8 F0 DF BEQ $A5C9 A5EA C5 08 CMP $08 A5EC F0 DB BEQ $A5C9 A5EE C8 INY A5EF 99 FB 01 STA $01FB,Y A5F2 E8 INX A5F3 D0 F0 BNE $A5E5 A5F5 A6 7A LDX $7A A5F7 E6 0B INC $0B A5F9 C8 INY A5FA B9 9D A0 LDA $A09D,Y A5FD 10 FA BPL $A5F9 A5FF B9 9E A0 LDA $A09E,Y A602 D0 B4 BNE $A5B8 A604 BD 00 02 LDA $0200,X A607 10 BE BPL $A5C7 A609 99 FD 01 STA $01FD,Y A60C C6 7B DEC $7B A60E A9 FF LDA #$FF A610 85 7A STA $7A A612 60 RTS ; search for a line in a program A613 A5 2B LDA $2B A615 A6 2C LDX $2C A617 A0 01 LDY #$01 A619 85 5F STA $5F A61B 86 60 STX $60 A61D B1 5F LDA ($5F),Y A61F F0 1F BEQ $A640 A621 C8 INY A622 C8 INY A623 A5 15 LDA $15 A625 D1 5F CMP ($5F),Y A627 90 18 BCC $A641 A629 F0 03 BEQ $A62E A62B 88 DEY A62C D0 09 BNE $A637 A62E A5 14 LDA $14 A630 88 DEY A631 D1 5F CMP ($5F),Y A633 90 0C BCC $A641 A635 F0 0A BEQ $A641 A637 88 DEY A638 B1 5F LDA ($5F),Y A63A AA TAX A63B 88 DEY A63C B1 5F LDA ($5F),Y A63E B0 D7 BCS $A617 A640 18 CLC A641 60 RTS ; NEW command A642 D0 FD BNE $A641 A644 A9 00 LDA #$00 A646 A8 TAY A647 91 2B STA ($2B),Y A649 C8 INY A64A 91 2B STA ($2B),Y A64C A5 2B LDA $2B A64E 18 CLC A64F 69 02 ADC #$02 A651 85 2D STA $2D A653 A5 2C LDA $2C A655 69 00 ADC #$00 A657 85 2E STA $2E A659 20 8E A6 JSR $A68E A65C A9 00 LDA #$00 ; CLR command A65E D0 2D BNE $A68D A660 20 E7 FF JSR $FFE7 A663 A5 37 LDA $37 A665 A4 38 LDY $38 A667 85 33 STA $33 A669 84 34 STY $34 A66B A5 2D LDA $2D A66D A4 2E LDY $2E A66F 85 2F STA $2F A671 84 30 STY $30 A673 85 31 STA $31 A675 84 32 STY $32 A677 20 1D A8 JSR $A81D ; reset stack and program pointers A67A A2 19 LDX #$19 A67C 86 16 STX $16 A67E 68 PLA A67F A8 TAY A680 68 PLA A681 A2 FA LDX #$FA A683 9A TXS A684 48 PHA A685 98 TYA A686 48 PHA A687 A9 00 LDA #$00 A689 85 3E STA $3E A68B 85 10 STA $10 A68D 60 RTS ; set current character pointer to start of basic - 1 A68E 18 CLC A68F A5 2B LDA $2B A691 69 FF ADC #$FF A693 85 7A STA $7A A695 A5 2C LDA $2C A697 69 FF ADC #$FF A699 85 7B STA $7B A69B 60 RTS ; LIST command A69C 90 06 BCC $A6A4 A69E F0 04 BEQ $A6A4 A6A0 C9 AB CMP #$AB A6A2 D0 E9 BNE $A68D A6A4 20 6B A9 JSR $A96B A6A7 20 13 A6 JSR $A613 A6AA 20 79 00 JSR $0079 A6AD F0 0C BEQ $A6BB A6AF C9 AB CMP #$AB A6B1 D0 8E BNE $A641 A6B3 20 73 00 JSR $0073 A6B6 20 6B A9 JSR $A96B A6B9 D0 86 BNE $A641 A6BB 68 PLA A6BC 68 PLA A6BD A5 14 LDA $14 A6BF 05 15 ORA $15 A6C1 D0 06 BNE $A6C9 A6C3 A9 FF LDA #$FF A6C5 85 14 STA $14 A6C7 85 15 STA $15 ; list lines from $5F/$60 to $14/$15 A6C9 A0 01 LDY #$01 A6CB 84 0F STY $0F A6CD B1 5F LDA ($5F),Y A6CF F0 43 BEQ $A714 A6D1 20 2C A8 JSR $A82C A6D4 20 D7 AA JSR $AAD7 A6D7 C8 INY A6D8 B1 5F LDA ($5F),Y A6DA AA TAX A6DB C8 INY A6DC B1 5F LDA ($5F),Y A6DE C5 15 CMP $15 A6E0 D0 04 BNE $A6E6 A6E2 E4 14 CPX $14 A6E4 F0 02 BEQ $A6E8 A6E6 B0 2C BCS $A714 A6E8 84 49 STY $49 A6EA 20 CD BD JSR $BDCD A6ED A9 20 LDA #$20 A6EF A4 49 LDY $49 A6F1 29 7F AND #$7F A6F3 20 47 AB JSR $AB47 A6F6 C9 22 CMP #$22 A6F8 D0 06 BNE $A700 A6FA A5 0F LDA $0F A6FC 49 FF EOR #$FF A6FE 85 0F STA $0F A700 C8 INY A701 F0 11 BEQ $A714 A703 B1 5F LDA ($5F),Y A705 D0 10 BNE $A717 A707 A8 TAY A708 B1 5F LDA ($5F),Y A70A AA TAX A70B C8 INY A70C B1 5F LDA ($5F),Y A70E 86 5F STX $5F A710 85 60 STA $60 A712 D0 B5 BNE $A6C9 A714 4C 86 E3 JMP $E386 ; print tokens routine A717 6C 06 03 JMP ($0306) ; normally A71A ; standard token printer A71A 10 D7 BPL $A6F3 A71C C9 FF CMP #$FF A71E F0 D3 BEQ $A6F3 A720 24 0F BIT $0F A722 30 CF BMI $A6F3 A724 38 SEC A725 E9 7F SBC #$7F A727 AA TAX A728 84 49 STY $49 A72A A0 FF LDY #$FF A72C CA DEX A72D F0 08 BEQ $A737 A72F C8 INY A730 B9 9E A0 LDA $A09E,Y A733 10 FA BPL $A72F A735 30 F5 BMI $A72C ; print keyword A737 C8 INY A738 B9 9E A0 LDA $A09E,Y A73B 30 B2 BMI $A6EF A73D 20 47 AB JSR $AB47 A740 D0 F5 BNE $A737 ; FOR command A742 A9 80 LDA #$80 A744 85 10 STA $10 A746 20 A5 A9 JSR $A9A5 A749 20 8A A3 JSR $A38A A74C D0 05 BNE $A753 A74E 8A TXA A74F 69 0F ADC #$0F A751 AA TAX A752 9A TXS A753 68 PLA A754 68 PLA A755 A9 09 LDA #$09 A757 20 FB A3 JSR $A3FB A75A 20 06 A9 JSR $A906 A75D 18 CLC A75E 98 TYA A75F 65 7A ADC $7A A761 48 PHA A762 A5 7B LDA $7B A764 69 00 ADC #$00 A766 48 PHA A767 A5 3A LDA $3A A769 48 PHA A76A A5 39 LDA $39 A76C 48 PHA A76D A9 A4 LDA #$A4 A76F 20 FF AE JSR $AEFF A772 20 8D AD JSR $AD8D A775 20 8A AD JSR $AD8A A778 A5 66 LDA $66 A77A 09 7F ORA #$7F A77C 25 62 AND $62 A77E 85 62 STA $62 A780 A9 8B LDA #$8B ; low A78B A782 A0 A7 LDY #$A7 ; high A78B A784 85 22 STA $22 A786 84 23 STY $23 A788 4C 43 AE JMP $AE43 A78B A9 BC LDA #$BC ; low B9BC A78D A0 B9 LDY #$B9 ; high B9BC A78F 20 A2 BB JSR $BBA2 A792 20 79 00 JSR $0079 A795 C9 A9 CMP #$A9 A797 D0 06 BNE $A79F A799 20 73 00 JSR $0073 A79C 20 8A AD JSR $AD8A A79F 20 2B BC JSR $BC2B A7A2 20 38 AE JSR $AE38 A7A5 A5 4A LDA $4A A7A7 48 PHA A7A8 A5 49 LDA $49 A7AA 48 PHA A7AB A9 81 LDA #$81 ; FOR block code A7AD 48 PHA ; execute next statement A7AE 20 2C A8 JSR $A82C A7B1 A5 7A LDA $7A A7B3 A4 7B LDY $7B A7B5 C0 02 CPY #$02 A7B7 EA NOP A7B8 F0 04 BEQ $A7BE A7BA 85 3D STA $3D A7BC 84 3E STY $3E A7BE A0 00 LDY #$00 A7C0 B1 7A LDA ($7A),Y A7C2 D0 43 BNE $A807 A7C4 A0 02 LDY #$02 A7C6 B1 7A LDA ($7A),Y A7C8 18 CLC A7C9 D0 03 BNE $A7CE A7CB 4C 4B A8 JMP $A84B A7CE C8 INY A7CF B1 7A LDA ($7A),Y A7D1 85 39 STA $39 A7D3 C8 INY A7D4 B1 7A LDA ($7A),Y A7D6 85 3A STA $3A A7D8 98 TYA A7D9 65 7A ADC $7A A7DB 85 7A STA $7A A7DD 90 02 BCC $A7E1 A7DF E6 7B INC $7B A7E1 6C 08 03 JMP ($0308) ; normally A7E4 ; execute a statement A7E4 20 73 00 JSR $0073 A7E7 20 ED A7 JSR $A7ED A7EA 4C AE A7 JMP $A7AE ; execute command in A A7ED F0 3C BEQ $A82B A7EF E9 80 SBC #$80 A7F1 90 11 BCC $A804 A7F3 C9 23 CMP #$23 A7F5 B0 17 BCS $A80E A7F7 0A ASL A7F8 A8 TAY A7F9 B9 0D A0 LDA $A00D,Y A7FC 48 PHA A7FD B9 0C A0 LDA $A00C,Y A800 48 PHA A801 4C 73 00 JMP $0073 A804 4C A5 A9 JMP $A9A5 A807 C9 3A CMP #$3A ; colon A809 F0 D6 BEQ $A7E1 A80B 4C 08 AF JMP $AF08 A80E C9 4B CMP #$4B ; GO code A810 D0 F9 BNE $A80B A812 20 73 00 JSR $0073 A815 A9 A4 LDA #$A4 ; TO code A817 20 FF AE JSR $AEFF A81A 4C A0 A8 JMP $A8A0 ; do GOTO ; RESTORE command A81D 38 SEC A81E A5 2B LDA $2B A820 E9 01 SBC #$01 A822 A4 2C LDY $2C A824 B0 01 BCS $A827 A826 88 DEY A827 85 41 STA $41 A829 84 42 STY $42 A82B 60 RTS A82C 20 E1 FF JSR $FFE1 ; test stop key ; STOP command A82F B0 01 BCS $A832 ; END command A831 18 CLC A832 D0 3C BNE $A870 A834 A5 7A LDA $7A A836 A4 7B LDY $7B A838 A6 3A LDX $3A A83A E8 INX A83B F0 0C BEQ $A849 A83D 85 3D STA $3D A83F 84 3E STY $3E A841 A5 39 LDA $39 A843 A4 3A LDY $3A A845 85 3B STA $3B A847 84 3C STY $3C A849 68 PLA A84A 68 PLA A84B A9 81 LDA #$81 ; low A381 A84D A0 A3 LDY #$A3 ; high A381 A84F 90 03 BCC $A854 A851 4C 69 A4 JMP $A469 A854 4C 86 E3 JMP $E386 ; CONT command A857 D0 17 BNE $A870 A859 A2 1A LDX #$1A ; error number A85B A4 3E LDY $3E A85D D0 03 BNE $A862 A85F 4C 37 A4 JMP $A437 A862 A5 3D LDA $3D A864 85 7A STA $7A A866 84 7B STY $7B A868 A5 3B LDA $3B A86A A4 3C LDY $3C A86C 85 39 STA $39 A86E 84 3A STY $3A A870 60 RTS ; RUN command A871 08 PHP A872 A9 00 LDA #$00 A874 20 90 FF JSR $FF90 A877 28 PLP A878 D0 03 BNE $A87D A87A 4C 59 A6 JMP $A659 A87D 20 60 A6 JSR $A660 ; do CLR A880 4C 97 A8 JMP $A897 ; do GOTO ; GOSUB command A883 A9 03 LDA #$03 A885 20 FB A3 JSR $A3FB A888 A5 7B LDA $7B A88A 48 PHA A88B A5 7A LDA $7A A88D 48 PHA A88E A5 3A LDA $3A A890 48 PHA A891 A5 39 LDA $39 A893 48 PHA A894 A9 8D LDA #$8D A896 48 PHA A897 20 79 00 JSR $0079 A89A 20 A0 A8 JSR $A8A0 A89D 4C AE A7 JMP $A7AE ; GOTO command A8A0 20 6B A9 JSR $A96B A8A3 20 09 A9 JSR $A909 A8A6 38 SEC A8A7 A5 39 LDA $39 A8A9 E5 14 SBC $14 A8AB A5 3A LDA $3A A8AD E5 15 SBC $15 A8AF B0 0B BCS $A8BC A8B1 98 TYA A8B2 38 SEC A8B3 65 7A ADC $7A A8B5 A6 7B LDX $7B A8B7 90 07 BCC $A8C0 A8B9 E8 INX A8BA B0 04 BCS $A8C0 A8BC A5 2B LDA $2B A8BE A6 2C LDX $2C A8C0 20 17 A6 JSR $A617 A8C3 90 1E BCC $A8E3 A8C5 A5 5F LDA $5F A8C7 E9 01 SBC #$01 A8C9 85 7A STA $7A A8CB A5 60 LDA $60 A8CD E9 00 SBC #$00 A8CF 85 7B STA $7B A8D1 60 RTS ; RETURN command A8D2 D0 FD BNE $A8D1 A8D4 A9 FF LDA #$FF A8D6 85 4A STA $4A A8D8 20 8A A3 JSR $A38A A8DB 9A TXS A8DC C9 8D CMP #$8D A8DE F0 0B BEQ $A8EB A8E0 A2 0C LDX #$0C A8E2 .BY $2C A8E3 A2 11 LDX #$11 A8E5 4C 37 A4 JMP $A437 A8E8 4C 08 AF JMP $AF08 ; remove GOSUB block from stack A8EB 68 PLA A8EC 68 PLA A8ED 85 39 STA $39 A8EF 68 PLA A8F0 85 3A STA $3A A8F2 68 PLA A8F3 85 7A STA $7A A8F5 68 PLA A8F6 85 7B STA $7B ; DATA command A8F8 20 06 A9 JSR $A906 A8FB 98 TYA A8FC 18 CLC A8FD 65 7A ADC $7A A8FF 85 7A STA $7A A901 90 02 BCC $A905 A903 E6 7B INC $7B A905 60 RTS ; get end of statement A906 A2 3A LDX #$3A ; colon A908 .BY $2C ; get end of line A909 A2 00 LDX #$00 A90B 86 07 STX $07 A90D A0 00 LDY #$00 A90F 84 08 STY $08 A911 A5 08 LDA $08 A913 A6 07 LDX $07 A915 85 07 STA $07 A917 86 08 STX $08 A919 B1 7A LDA ($7A),Y A91B F0 E8 BEQ $A905 A91D C5 08 CMP $08 A91F F0 E4 BEQ $A905 A921 C8 INY A922 C9 22 CMP #$22 ; quote mark A924 D0 F3 BNE $A919 A926 F0 E9 BEQ $A911 ; IF command A928 20 9E AD JSR $AD9E A92B 20 79 00 JSR $0079 A92E C9 89 CMP #$89 A930 F0 05 BEQ $A937 A932 A9 A7 LDA #$A7 A934 20 FF AE JSR $AEFF A937 A5 61 LDA $61 A939 D0 05 BNE $A940 ; REM command A93B 20 09 A9 JSR $A909 A93E F0 BB BEQ $A8FB ; THEN part of IF A940 20 79 00 JSR $0079 A943 B0 03 BCS $A948 A945 4C A0 A8 JMP $A8A0 ; do GOTO A948 4C ED A7 JMP $A7ED ; ON command A94B 20 9E B7 JSR $B79E A94E 48 PHA A94F C9 8D CMP #$8D ; GOSUB code A951 F0 04 BEQ $A957 A953 C9 89 CMP #$89 ; GOTO code A955 D0 91 BNE $A8E8 A957 C6 65 DEC $65 A959 D0 04 BNE $A95F A95B 68 PLA A95C 4C EF A7 JMP $A7EF A95F 20 73 00 JSR $0073 A962 20 6B A9 JSR $A96B A965 C9 2C CMP #$2C ; comma A967 F0 EE BEQ $A957 A969 68 PLA A96A 60 RTS ; get decimal number into $14/$15 A96B A2 00 LDX #$00 A96D 86 14 STX $14 A96F 86 15 STX $15 A971 B0 F7 BCS $A96A A973 E9 2F SBC #$2F A975 85 07 STA $07 A977 A5 15 LDA $15 A979 85 22 STA $22 A97B C9 19 CMP #$19 A97D B0 D4 BCS $A953 A97F A5 14 LDA $14 A981 0A ASL ; times 2 A982 26 22 ROL $22 A984 0A ASL ; times 2 A985 26 22 ROL $22 A987 65 14 ADC $14 ; add original A989 85 14 STA $14 A98B A5 22 LDA $22 A98D 65 15 ADC $15 A98F 85 15 STA $15 A991 06 14 ASL $14 ; times 2 A993 26 15 ROL $15 ; = times 10 overall A995 A5 14 LDA $14 A997 65 07 ADC $07 A999 85 14 STA $14 A99B 90 02 BCC $A99F A99D E6 15 INC $15 A99F 20 73 00 JSR $0073 A9A2 4C 71 A9 JMP $A971 ; LET command A9A5 20 8B B0 JSR $B08B A9A8 85 49 STA $49 A9AA 84 4A STY $4A A9AC A9 B2 LDA #$B2 ; equals code A9AE 20 FF AE JSR $AEFF A9B1 A5 0E LDA $0E A9B3 48 PHA A9B4 A5 0D LDA $0D A9B6 48 PHA A9B7 20 9E AD JSR $AD9E A9BA 68 PLA A9BB 2A ROL A9BC 20 90 AD JSR $AD90 A9BF D0 18 BNE $A9D9 A9C1 68 PLA A9C2 10 12 BPL $A9D6 ; assign to integer A9C4 20 1B BC JSR $BC1B A9C7 20 BF B1 JSR $B1BF A9CA A0 00 LDY #$00 A9CC A5 64 LDA $64 A9CE 91 49 STA ($49),Y A9D0 C8 INY A9D1 A5 65 LDA $65 A9D3 91 49 STA ($49),Y A9D5 60 RTS ; assign to float A9D6 4C D0 BB JMP $BBD0 ; assign to string A9D9 68 PLA A9DA A4 4A LDY $4A A9DC C0 BF CPY #$BF A9DE D0 4C BNE $AA2C ; assign to TI$ A9E0 20 A6 B6 JSR $B6A6 A9E3 C9 06 CMP #$06 ; length 6 A9E5 D0 3D BNE $AA24 A9E7 A0 00 LDY #$00 A9E9 84 61 STY $61 A9EB 84 66 STY $66 A9ED 84 71 STY $71 A9EF 20 1D AA JSR $AA1D A9F2 20 E2 BA JSR $BAE2 A9F5 E6 71 INC $71 A9F7 A4 71 LDY $71 A9F9 20 1D AA JSR $AA1D A9FC 20 0C BC JSR $BC0C A9FF AA TAX AA00 F0 05 BEQ $AA07 AA02 E8 INX AA03 8A TXA AA04 20 ED BA JSR $BAED AA07 A4 71 LDY $71 AA09 C8 INY AA0A C0 06 CPY #$06 AA0C D0 DF BNE $A9ED AA0E 20 E2 BA JSR $BAE2 AA11 20 9B BC JSR $BC9B AA14 A6 64 LDX $64 AA16 A4 63 LDY $63 AA18 A5 65 LDA $65 AA1A 4C DB FF JMP $FFDB ; add next digit to float accum AA1D B1 22 LDA ($22),Y AA1F 20 80 00 JSR $0080 AA22 90 03 BCC $AA27 AA24 4C 48 B2 JMP $B248 AA27 E9 2F SBC #$2F AA29 4C 7E BD JMP $BD7E ; assign to string variable AA2C A0 02 LDY #$02 AA2E B1 64 LDA ($64),Y AA30 C5 34 CMP $34 AA32 90 17 BCC $AA4B AA34 D0 07 BNE $AA3D AA36 88 DEY AA37 B1 64 LDA ($64),Y AA39 C5 33 CMP $33 AA3B 90 0E BCC $AA4B AA3D A4 65 LDY $65 AA3F C4 2E CPY $2E AA41 90 08 BCC $AA4B AA43 D0 0D BNE $AA52 AA45 A5 64 LDA $64 AA47 C5 2D CMP $2D AA49 B0 07 BCS $AA52 AA4B A5 64 LDA $64 AA4D A4 65 LDY $65 AA4F 4C 68 AA JMP $AA68 AA52 A0 00 LDY #$00 AA54 B1 64 LDA ($64),Y AA56 20 75 B4 JSR $B475 AA59 A5 50 LDA $50 AA5B A4 51 LDY $51 AA5D 85 6F STA $6F AA5F 84 70 STY $70 AA61 20 7A B6 JSR $B67A AA64 A9 61 LDA #$61 ; low 0061 AA66 A0 00 LDY #$00 ; high 0061 ; move descriptor into variable AA68 85 50 STA $50 AA6A 84 51 STY $51 AA6C 20 DB B6 JSR $B6DB AA6F A0 00 LDY #$00 AA71 B1 50 LDA ($50),Y AA73 91 49 STA ($49),Y AA75 C8 INY AA76 B1 50 LDA ($50),Y AA78 91 49 STA ($49),Y AA7A C8 INY AA7B B1 50 LDA ($50),Y AA7D 91 49 STA ($49),Y AA7F 60 RTS ; PRINT# comand AA80 20 86 AA JSR $AA86 AA83 4C B5 AB JMP $ABB5 ; CMD command AA86 20 9E B7 JSR $B79E AA89 F0 05 BEQ $AA90 AA8B A9 2C LDA #$2C ; comma AA8D 20 FF AE JSR $AEFF AA90 08 PHP AA91 86 13 STX $13 AA93 20 18 E1 JSR $E118 AA96 28 PLP AA97 4C A0 AA JMP $AAA0 ; do PRINT AA9A 20 21 AB JSR $AB21 AA9D 20 79 00 JSR $0079 ; PRINT command AAA0 F0 35 BEQ $AAD7 AAA2 F0 43 BEQ $AAE7 AAA4 C9 A3 CMP #$A3 ; TAB( code AAA6 F0 50 BEQ $AAF8 AAA8 C9 A6 CMP #$A6 ; SPC( code AAAA 18 CLC AAAB F0 4B BEQ $AAF8 AAAD C9 2C CMP #$2C ; comma AAAF F0 37 BEQ $AAE8 AAB1 C9 3B CMP #$3B ; semi-colon AAB3 F0 5E BEQ $AB13 AAB5 20 9E AD JSR $AD9E AAB8 24 0D BIT $0D AABA 30 DE BMI $AA9A AABC 20 DD BD JSR $BDDD AABF 20 87 B4 JSR $B487 AAC2 20 21 AB JSR $AB21 AAC5 20 3B AB JSR $AB3B AAC8 D0 D3 BNE $AA9D ; end statement in buffer and screen AACA A9 00 LDA #$00 AACC 9D 00 02 STA $0200,X AACF A2 FF LDX #$FF AAD1 A0 01 LDY #$01 AAD3 A5 13 LDA $13 AAD5 D0 10 BNE $AAE7 ; end line on CMD output file AAD7 A9 0D LDA #$0D AAD9 20 47 AB JSR $AB47 AADC 24 13 BIT $13 AADE 10 05 BPL $AAE5 AAE0 A9 0A LDA #$0A AAE2 20 47 AB JSR $AB47 AAE5 49 FF EOR #$FF AAE7 60 RTS ; routine for printing TAB( and SPC( AAE8 38 SEC AAE9 20 F0 FF JSR $FFF0 AAEC 98 TYA AAED 38 SEC AAEE E9 0A SBC #$0A AAF0 B0 FC BCS $AAEE AAF2 49 FF EOR #$FF AAF4 69 01 ADC #$01 AAF6 D0 16 BNE $AB0E AAF8 08 PHP AAF9 38 SEC AAFA 20 F0 FF JSR $FFF0 AAFD 84 09 STY $09 AAFF 20 9B B7 JSR $B79B AB02 C9 29 CMP #$29 ; ) AB04 D0 59 BNE $AB5F AB06 28 PLP AB07 90 06 BCC $AB0F AB09 8A TXA AB0A E5 09 SBC $09 AB0C 90 05 BCC $AB13 AB0E AA TAX AB0F E8 INX AB10 CA DEX AB11 D0 06 BNE $AB19 AB13 20 73 00 JSR $0073 AB16 4C A2 AA JMP $AAA2 AB19 20 3B AB JSR $AB3B AB1C D0 F2 BNE $AB10 ; print string form AY AB1E 20 87 B4 JSR $B487 ; print string from $22/$23 AB21 20 A6 B6 JSR $B6A6 AB24 AA TAX AB25 A0 00 LDY #$00 AB27 E8 INX AB28 CA DEX AB29 F0 BC BEQ $AAE7 AB2B B1 22 LDA ($22),Y AB2D 20 47 AB JSR $AB47 AB30 C8 INY AB31 C9 0D CMP #$0D AB33 D0 F3 BNE $AB28 AB35 20 E5 AA JSR $AAE5 AB38 4C 28 AB JMP $AB28 ; print character on CMD output file AB3B A5 13 LDA $13 AB3D F0 03 BEQ $AB42 AB3F A9 20 LDA #$20 ; space AB41 .BY $2C AB42 A9 1D LDA #$1D ; csr right AB44 .BY $2C AB45 A9 3F LDA #$3F ; question mark AB47 20 0C E1 JSR $E10C AB4A 29 FF AND #$FF AB4C 60 RTS ; read errors AB4D A5 11 LDA $11 AB4F F0 11 BEQ $AB62 AB51 30 04 BMI $AB57 AB53 A0 FF LDY #$FF AB55 D0 04 BNE $AB5B AB57 A5 3F LDA $3F AB59 A4 40 LDY $40 AB5B 85 39 STA $39 AB5D 84 3A STY $3A AB5F 4C 08 AF JMP $AF08 AB62 A5 13 LDA $13 AB64 F0 05 BEQ $AB6B AB66 A2 18 LDX #$18 AB68 4C 37 A4 JMP $A437 AB6B A9 0C LDA #$0C ; low AD0C AB6D A0 AD LDY #$AD ; high AD0C AB6F 20 1E AB JSR $AB1E AB72 A5 3D LDA $3D AB74 A4 3E LDY $3E AB76 85 7A STA $7A AB78 84 7B STY $7B AB7A 60 RTS ; GET command AB7B 20 A6 B3 JSR $B3A6 AB7E C9 23 CMP #$23 ; # AB80 D0 10 BNE $AB92 AB82 20 73 00 JSR $0073 AB85 20 9E B7 JSR $B79E AB88 A9 2C LDA #$2C ; comma AB8A 20 FF AE JSR $AEFF AB8D 86 13 STX $13 AB8F 20 1E E1 JSR $E11E AB92 A2 01 LDX #$01 AB94 A0 02 LDY #$02 AB96 A9 00 LDA #$00 AB98 8D 01 02 STA $0201 AB9B A9 40 LDA #$40 ; GET code AB9D 20 0F AC JSR $AC0F ABA0 A6 13 LDX $13 ABA2 D0 13 BNE $ABB7 ABA4 60 RTS ; INPUT# command ABA5 20 9E B7 JSR $B79E ABA8 A9 2C LDA #$2C ; comma ABAA 20 FF AE JSR $AEFF ABAD 86 13 STX $13 ABAF 20 1E E1 JSR $E11E ABB2 20 CE AB JSR $ABCE ABB5 A5 13 LDA $13 ABB7 20 CC FF JSR $FFCC ABBA A2 00 LDX #$00 ABBC 86 13 STX $13 ABBE 60 RTS ; INPUT command ABBF C9 22 CMP #$22 ; quote mark ABC1 D0 0B BNE $ABCE ABC3 20 BD AE JSR $AEBD ABC6 A9 3B LDA #$3B ; semi-colon ABC8 20 FF AE JSR $AEFF ABCB 20 21 AB JSR $AB21 ABCE 20 A6 B3 JSR $B3A6 ABD1 A9 2C LDA #$2C ; comma ABD3 8D FF 01 STA $01FF ABD6 20 F9 AB JSR $ABF9 ABD9 A5 13 LDA $13 ABDB F0 0D BEQ $ABEA ABDD 20 B7 FF JSR $FFB7 ABE0 29 02 AND #$02 ABE2 F0 06 BEQ $ABEA ABE4 20 B5 AB JSR $ABB5 ABE7 4C F8 A8 JMP $A8F8 ; do DATA ABEA AD 00 02 LDA $0200 ABED D0 1E BNE $AC0D ABEF A5 13 LDA $13 ABF1 D0 E3 BNE $ABD6 ABF3 20 06 A9 JSR $A906 ABF6 4C FB A8 JMP $A8FB ; get line into input buffer ABF9 A5 13 LDA $13 ABFB D0 06 BNE $AC03 ABFD 20 45 AB JSR $AB45 AC00 20 3B AB JSR $AB3B AC03 4C 60 A5 JMP $A560 ; READ command AC06 A6 41 LDX $41 AC08 A4 42 LDY $42 AC0A A9 98 LDA #$98 ; READ code AC0C .BY $2C AC0D A9 00 LDA #$00 AC0F 85 11 STA $11 AC11 86 43 STX $43 AC13 84 44 STY $44 AC15 20 8B B0 JSR $B08B AC18 85 49 STA $49 AC1A 84 4A STY $4A AC1C A5 7A LDA $7A AC1E A4 7B LDY $7B AC20 85 4B STA $4B AC22 84 4C STY $4C AC24 A6 43 LDX $43 AC26 A4 44 LDY $44 AC28 86 7A STX $7A AC2A 84 7B STY $7B AC2C 20 79 00 JSR $0079 AC2F D0 20 BNE $AC51 AC31 24 11 BIT $11 AC33 50 0C BVC $AC41 AC35 20 24 E1 JSR $E124 AC38 8D 00 02 STA $0200 AC3B A2 FF LDX #$FF AC3D A0 01 LDY #$01 AC3F D0 0C BNE $AC4D AC41 30 75 BMI $ACB8 AC43 A5 13 LDA $13 AC45 D0 03 BNE $AC4A AC47 20 45 AB JSR $AB45 AC4A 20 F9 AB JSR $ABF9 AC4D 86 7A STX $7A AC4F 84 7B STY $7B AC51 20 73 00 JSR $0073 AC54 24 0D BIT $0D AC56 10 31 BPL $AC89 AC58 24 11 BIT $11 AC5A 50 09 BVC $AC65 AC5C E8 INX AC5D 86 7A STX $7A AC5F A9 00 LDA #$00 AC61 85 07 STA $07 AC63 F0 0C BEQ $AC71 AC65 85 07 STA $07 AC67 C9 22 CMP #$22 ; quote mark AC69 F0 07 BEQ $AC72 AC6B A9 3A LDA #$3A ; colon AC6D 85 07 STA $07 AC6F A9 2C LDA #$2C ; comma AC71 18 CLC AC72 85 08 STA $08 AC74 A5 7A LDA $7A AC76 A4 7B LDY $7B AC78 69 00 ADC #$00 AC7A 90 01 BCC $AC7D AC7C C8 INY AC7D 20 8D B4 JSR $B48D AC80 20 E2 B7 JSR $B7E2 AC83 20 DA A9 JSR $A9DA AC86 4C 91 AC JMP $AC91 AC89 20 F3 BC JSR $BCF3 AC8C A5 0E LDA $0E AC8E 20 C2 A9 JSR $A9C2 AC91 20 79 00 JSR $0079 AC94 F0 07 BEQ $AC9D AC96 C9 2C CMP #$2C ; comma AC98 F0 03 BEQ $AC9D AC9A 4C 4D AB JMP $AB4D AC9D A5 7A LDA $7A AC9F A4 7B LDY $7B ACA1 85 43 STA $43 ACA3 84 44 STY $44 ACA5 A5 4B LDA $4B ACA7 A4 4C LDY $4C ACA9 85 7A STA $7A ACAB 84 7B STY $7B ACAD 20 79 00 JSR $0079 ACB0 F0 2D BEQ $ACDF ACB2 20 FD AE JSR $AEFD ACB5 4C 15 AC JMP $AC15 ACB8 20 06 A9 JSR $A906 ACBB C8 INY ACBC AA TAX ACBD D0 12 BNE $ACD1 ACBF A2 0D LDX #$0D ; error number ACC1 C8 INY ACC2 B1 7A LDA ($7A),Y ACC4 F0 6C BEQ $AD32 ACC6 C8 INY ACC7 B1 7A LDA ($7A),Y ACC9 85 3F STA $3F ACCB C8 INY ACCC B1 7A LDA ($7A),Y ACCE C8 INY ACCF 85 40 STA $40 ACD1 20 FB A8 JSR $A8FB ACD4 20 79 00 JSR $0079 ACD7 AA TAX ACD8 E0 83 CPX #$83 ; DATA code ACDA D0 DC BNE $ACB8 ACDC 4C 51 AC JMP $AC51 ACDF A5 43 LDA $43 ACE1 A4 44 LDY $44 ACE3 A6 11 LDX $11 ACE5 10 03 BPL $ACEA ACE7 4C 27 A8 JMP $A827 ACEA A0 00 LDY #$00 ACEC B1 43 LDA ($43),Y ACEE F0 0B BEQ $ACFB ACF0 A5 13 LDA $13 ACF2 D0 07 BNE $ACFB ACF4 A9 FC LDA #$FC ; low ACFC ACF6 A0 AC LDY #$AC ; high ACFC ACF8 4C 1E AB JMP $AB1E ACFB 60 RTS ; messages used dring READ ; ?EXTRA IGNORED ACFC .BY $3F,$45,$58,$54,$52,$41 AD02 .BY $20,$49,$47,$4E,$4F,$52,$45,$44 AD0A .BY $0D,$00 ; ?REDO FROM START AD0C .BY $3F,$52,$45,$44,$4F AD11 .BY $20,$46,$52,$4F,$4D AD16 .BY $20,$53,$54,$41,$52,$54 AD1C .BY $0D,$00 ; NEXT command AD1E D0 04 BNE $AD24 AD20 A0 00 LDY #$00 AD22 F0 03 BEQ $AD27 AD24 20 8B B0 JSR $B08B AD27 85 49 STA $49 AD29 84 4A STY $4A AD2B 20 8A A3 JSR $A38A AD2E F0 05 BEQ $AD35 AD30 A2 0A LDX #$0A ; error number AD32 4C 37 A4 JMP $A437 AD35 9A TXS AD36 8A TXA AD37 18 CLC AD38 69 04 ADC #$04 AD3A 48 PHA AD3B 69 06 ADC #$06 AD3D 85 24 STA $24 AD3F 68 PLA AD40 A0 01 LDY #$01 AD42 20 A2 BB JSR $BBA2 AD45 BA TSX AD46 BD 09 01 LDA $0109,X AD49 85 66 STA $66 AD4B A5 49 LDA $49 AD4D A4 4A LDY $4A AD4F 20 67 B8 JSR $B867 AD52 20 D0 BB JSR $BBD0 AD55 A0 01 LDY #$01 AD57 20 5D BC JSR $BC5D AD5A BA TSX AD5B 38 SEC AD5C FD 09 01 SBC $0109,X AD5F F0 17 BEQ $AD78 AD61 BD 0F 01 LDA $010F,X AD64 85 39 STA $39 AD66 BD 10 01 LDA $0110,X AD69 85 3A STA $3A AD6B BD 12 01 LDA $0112,X AD6E 85 7A STA $7A AD70 BD 11 01 LDA $0111,X AD73 85 7B STA $7B AD75 4C AE A7 JMP $A7AE AD78 8A TXA AD79 69 11 ADC #$11 AD7B AA TAX AD7C 9A TXS AD7D 20 79 00 JSR $0079 AD80 C9 2C CMP #$2C ; comma AD82 D0 F1 BNE $AD75 AD84 20 73 00 JSR $0073 AD87 20 24 AD JSR $AD24 ; get next non-string value AD8A 20 9E AD JSR $AD9E AD8D 18 CLC AD8E .BY $24 ; check value to be string AD8F 38 SEC ; check value according to C flag AD90 24 0D BIT $0D AD92 30 03 BMI $AD97 AD94 B0 03 BCS $AD99 AD96 60 RTS AD97 B0 FD BCS $AD96 AD99 A2 16 LDX #$16 AD9B 4C 37 A4 JMP $A437 ; evaluate expression AD9E A6 7A LDX $7A ADA0 D0 02 BNE $ADA4 ADA2 C6 7B DEC $7B ADA4 C6 7A DEC $7A ADA6 A2 00 LDX #$00 ADA8 .BY $24 ADA9 48 PHA ADAA 8A TXA ADAB 48 PHA ADAC A9 01 LDA #$01 ADAE 20 FB A3 JSR $A3FB ADB1 20 83 AE JSR $AE83 ADB4 A9 00 LDA #$00 ADB6 85 4D STA $4D ADB8 20 79 00 JSR $0079 ADBB 38 SEC ADBC E9 B1 SBC #$B1 ; code for greater than ADBE 90 17 BCC $ADD7 ADC0 C9 03 CMP #$03 ADC2 B0 13 BCS $ADD7 ADC4 C9 01 CMP #$01 ADC6 2A ROL ADC7 49 01 EOR #$01 ADC9 45 4D EOR $4D ADCB C5 4D CMP $4D ADCD 90 61 BCC $AE30 ADCF 85 4D STA $4D ADD1 20 73 00 JSR $0073 ADD4 4C BB AD JMP $ADBB ADD7 A6 4D LDX $4D ADD9 D0 2C BNE $AE07 ADDB B0 7B BCS $AE58 ADDD 69 07 ADC #$07 ADDF 90 77 BCC $AE58 ADE1 65 0D ADC $0D ADE3 D0 03 BNE $ADE8 ADE5 4C 3D B6 JMP $B63D ADE8 69 FF ADC #$FF ADEA 85 22 STA $22 ADEC 0A ASL ADED 65 22 ADC $22 ADEF A8 TAY ADF0 68 PLA ADF1 D9 80 A0 CMP $A080,Y ADF4 B0 67 BCS $AE5D ADF6 20 8D AD JSR $AD8D ADF9 48 PHA ADFA 20 20 AE JSR $AE20 ADFD 68 PLA ADFE A4 4B LDY $4B AE00 10 17 BPL $AE19 AE02 AA TAX AE03 F0 56 BEQ $AE5B AE05 D0 5F BNE $AE66 AE07 46 0D LSR $0D AE09 8A TXA AE0A 2A ROL AE0B A6 7A LDX $7A AE0D D0 02 BNE $AE11 AE0F C6 7B DEC $7B AE11 C6 7A DEC $7A AE13 A0 1B LDY #$1B AE15 85 4D STA $4D AE17 D0 D7 BNE $ADF0 AE19 D9 80 A0 CMP $A080,Y AE1C B0 48 BCS $AE66 AE1E 90 D9 BCC $ADF9 ; recursive entry for evaluation of expressions AE20 B9 82 A0 LDA $A082,Y AE23 48 PHA AE24 B9 81 A0 LDA $A081,Y AE27 48 PHA AE28 20 33 AE JSR $AE33 AE2B A5 4D LDA $4D AE2D 4C A9 AD JMP $ADA9 AE30 4C 08 AF JMP $AF08 ; save rounded value of left operand AE33 A5 66 LDA $66 AE35 BE 80 A0 LDX $A080,Y AE38 A8 TAY AE39 68 PLA ; pull return address AE3A 85 22 STA $22 AE3C E6 22 INC $22 AE3E 68 PLA ; and store in $22/$23 AE3F 85 23 STA $23 AE41 98 TYA AE42 48 PHA AE43 20 1B BC JSR $BC1B AE46 A5 65 LDA $65 AE48 48 PHA AE49 A5 64 LDA $64 AE4B 48 PHA AE4C A5 63 LDA $63 AE4E 48 PHA AE4F A5 62 LDA $62 AE51 48 PHA AE52 A5 61 LDA $61 AE54 48 PHA AE55 6C 22 00 JMP ($0022) ; return to caller ; apply operator AE58 A0 FF LDY #$FF AE5A 68 PLA AE5B F0 23 BEQ $AE80 AE5D C9 64 CMP #$64 AE5F F0 03 BEQ $AE64 AE61 20 8D AD JSR $AD8D AE64 84 4B STY $4B AE66 68 PLA AE67 4A LSR AE68 85 12 STA $12 AE6A 68 PLA AE6B 85 69 STA $69 AE6D 68 PLA AE6E 85 6A STA $6A AE70 68 PLA AE71 85 6B STA $6B AE73 68 PLA AE74 85 6C STA $6C AE76 68 PLA AE77 85 6D STA $6D AE79 68 PLA AE7A 85 6E STA $6E AE7C 45 66 EOR $66 AE7E 85 6F STA $6F AE80 A5 61 LDA $61 AE82 60 RTS ; get arithmetic element routine AE83 6C 0A 03 JMP ($030A) ; normally AE86 ; standard arithmetic element AE86 A9 00 LDA #$00 AE88 85 0D STA $0D AE8A 20 73 00 JSR $0073 AE8D B0 03 BCS $AE92 AE8F 4C F3 BC JMP $BCF3 AE92 20 13 B1 JSR $B113 AE95 90 03 BCC $AE9A AE97 4C 28 AF JMP $AF28 AE9A C9 FF CMP #$FF ; PI AE9C D0 0F BNE $AEAD AE9E A9 A8 LDA #$A8 ; low AEA8 AEA0 A0 AE LDY #$AE ; high AEA8 AEA2 20 A2 BB JSR $BBA2 AEA5 4C 73 00 JMP $0073 ; float value of PI AEA8 .BY $82,$49,$0F,$DA,$A1 AEAD C9 2E CMP #$2E ; decimal point AEAF F0 DE BEQ $AE8F AEB1 C9 AB CMP #$AB ; plus code AEB3 F0 58 BEQ $AF0D AEB5 C9 AA CMP #$AA ; times code AEB7 F0 D1 BEQ $AE8A AEB9 C9 22 CMP #$22 ; quote mark AEBB D0 0F BNE $AECC AEBD A5 7A LDA $7A AEBF A4 7B LDY $7B AEC1 69 00 ADC #$00 AEC3 90 01 BCC $AEC6 AEC5 C8 INY AEC6 20 87 B4 JSR $B487 AEC9 4C E2 B7 JMP $B7E2 AECC C9 A8 CMP #$A8 ; NOT code AECE D0 13 BNE $AEE3 AED0 A0 18 LDY #$18 AED2 D0 3B BNE $AF0F ; NOT operator AED4 20 BF B1 JSR $B1BF AED7 A5 65 LDA $65 AED9 49 FF EOR #$FF AEDB A8 TAY AEDC A5 64 LDA $64 AEDE 49 FF EOR #$FF AEE0 4C 91 B3 JMP $B391 ; GET operand AEE3 C9 A5 CMP #$A5 AEE5 D0 03 BNE $AEEA AEE7 4C F4 B3 JMP $B3F4 AEEA C9 B4 CMP #$B4 ; SGN code or higher AEEC 90 03 BCC $AEF1 AEEE 4C A7 AF JMP $AFA7 AEF1 20 FA AE JSR $AEFA AEF4 20 9E AD JSR $AD9E ; check and skip characters AEF7 A9 29 LDA #$29 ; ) AEF9 .BY 2C AEFA A9 28 LDA #$28 ; ( AEFC .BY 2C AEFD A9 2C LDA #$2C ; comma AEFF A0 00 LDY #$00 AF01 D1 7A CMP ($7A),Y AF03 D0 03 BNE $AF08 AF05 4C 73 00 JMP $0073 AF08 A2 0B LDX #$0B ; error number AF0A 4C 37 A4 JMP $A437 ; recursive geet value AF0D A0 15 LDY #$15 AF0F 68 PLA AF10 68 PLA AF11 4C FA AD JMP $ADFA ; check variable pointer range AF14 38 SEC AF15 A5 64 LDA $64 AF17 E9 00 SBC #$00 AF19 A5 65 LDA $65 AF1B E9 A0 SBC #$A0 AF1D 90 08 BCC $AF27 AF1F A9 A2 LDA #$A2 AF21 E5 64 SBC $64 AF23 A9 E3 LDA #$E3 AF25 E5 65 SBC $65 AF27 60 RTS ; get value of variable AF28 20 8B B0 JSR $B08B AF2B 85 64 STA $64 AF2D 84 65 STY $65 AF2F A6 45 LDX $45 AF31 A4 46 LDY $46 AF33 A5 0D LDA $0D AF35 F0 26 BEQ $AF5D AF37 A9 00 LDA #$00 AF39 85 70 STA $70 AF3B 20 14 AF JSR $AF14 AF3E 90 1C BCC $AF5C AF40 E0 54 CPX #$54 ; T AF42 D0 18 BNE $AF5C AF44 C0 C9 CPY #$C9 ; I$ AF46 D0 14 BNE $AF5C AF48 20 84 AF JSR $AF84 AF4B 84 5E STY $5E AF4D 88 DEY AF4E 84 71 STY $71 AF50 A0 06 LDY #$06 AF52 84 5D STY $5D AF54 A0 24 LDY #$24 AF56 20 68 BE JSR $BE68 AF59 4C 6F B4 JMP $B46F AF5C 60 RTS AF5D 24 0E BIT $0E AF5F 10 0D BPL $AF6E AF61 A0 00 LDY #$00 AF63 B1 64 LDA ($64),Y AF65 AA TAX AF66 C8 INY AF67 B1 64 LDA ($64),Y AF69 A8 TAY AF6A 8A TXA AF6B 4C 91 B3 JMP $B391 AF6E 20 14 AF JSR $AF14 AF71 90 2D BCC $AFA0 AF73 E0 54 CPX #$54 ; T AF75 D0 1B BNE $AF92 AF77 C0 49 CPY #$49 ; I AF79 D0 25 BNE $AFA0 AF7B 20 84 AF JSR $AF84 AF7E 98 TYA AF7F A2 A0 LDX #$A0 AF81 4C 4F BC JMP $BC4F ; get time in float accu AF84 20 DE FF JSR $FFDE AF87 86 64 STX $64 AF89 84 63 STY $63 AF8B 85 65 STA $65 AF8D A0 00 LDY #$00 AF8F 84 62 STY $62 AF91 60 RTS ; continue of get value of variable AF92 E0 53 CPX #$53 ; S AF94 D0 0A BNE $AFA0 AF96 C0 54 CPY #$54 ; T AF98 D0 06 BNE $AFA0 AF9A 20 B7 FF JSR $FFB7 AF9D 4C 3C BC JMP $BC3C AFA0 A5 64 LDA $64 AFA2 A4 65 LDY $65 AFA4 4C A2 BB JMP $BBA2 ; apply function AFA7 0A ASL AFA8 48 PHA AFA9 AA TAX AFAA 20 73 00 JSR $0073 AFAD E0 8F CPX #$8F AFAF 90 20 BCC $AFD1 AFB1 20 FA AE JSR $AEFA AFB4 20 9E AD JSR $AD9E AFB7 20 FD AE JSR $AEFD AFBA 20 8F AD JSR $AD8F AFBD 68 PLA AFBE AA TAX AFBF A5 65 LDA $65 AFC1 48 PHA AFC2 A5 64 LDA $64 AFC4 48 PHA AFC5 8A TXA AFC6 48 PHA AFC7 20 9E B7 JSR $B79E AFCA 68 PLA AFCB A8 TAY AFCC 8A TXA AFCD 48 PHA AFCE 4C D6 AF JMP $AFD6 AFD1 20 F1 AE JSR $AEF1 AFD4 68 PLA AFD5 A8 TAY AFD6 B9 EA 9F LDA $9FEA,Y AFD9 85 55 STA $55 AFDB B9 EB 9F LDA $9FEB,Y AFDE 85 56 STA $56 AFE0 20 54 00 JSR $0054 AFE3 4C 8D AD JMP $AD8D ; OR operator AFE6 A0 FF LDY #$FF AFE8 .BY $2C ; AND operator AFE9 A0 00 LDY #$00 AFEB 84 0B STY $0B AFED 20 BF B1 JSR $B1BF AFF0 A5 64 LDA $64 AFF2 45 0B EOR $0B AFF4 85 07 STA $07 AFF6 A5 65 LDA $65 AFF8 45 0B EOR $0B AFFA 85 08 STA $08 AFFC 20 FC BB JSR $BBFC AFFF 20 BF B1 JSR $B1BF B002 A5 65 LDA $65 B004 45 0B EOR $0B B006 25 08 AND $08 B008 45 0B EOR $0B B00A A8 TAY B00B A5 64 LDA $64 B00D 45 0B EOR $0B B00F 25 07 AND $07 B011 45 0B EOR $0B B013 4C 91 B3 JMP $B391 ; greater/equal/less operator B016 20 90 AD JSR $AD90 B019 B0 13 BCS $B02E B01B A5 6E LDA $6E B01D 09 7F ORA #$7F B01F 25 6A AND $6A B021 85 6A STA $6A B023 A9 69 LDA #$69 B025 A0 00 LDY #$00 B027 20 5B BC JSR $BC5B B02A AA TAX B02B 4C 61 B0 JMP $B061 B02E A9 00 LDA #$00 B030 85 0D STA $0D B032 C6 4D DEC $4D B034 20 A6 B6 JSR $B6A6 B037 85 61 STA $61 B039 86 62 STX $62 B03B 84 63 STY $63 B03D A5 6C LDA $6C B03F A4 6D LDY $6D B041 20 AA B6 JSR $B6AA B044 86 6C STX $6C B046 84 6D STY $6D B048 AA TAX B049 38 SEC B04A E5 61 SBC $61 B04C F0 08 BEQ $B056 B04E A9 01 LDA #$01 B050 90 04 BCC $B056 B052 A6 61 LDX $61 B054 A9 FF LDA #$FF B056 85 66 STA $66 B058 A0 FF LDY #$FF B05A E8 INX B05B C8 INY B05C CA DEX B05D D0 07 BNE $B066 B05F A6 66 LDX $66 B061 30 0F BMI $B072 B063 18 CLC B064 90 0C BCC $B072 B066 B1 6C LDA ($6C),Y B068 D1 62 CMP ($62),Y B06A F0 EF BEQ $B05B B06C A2 FF LDX #$FF B06E B0 02 BCS $B072 B070 A2 01 LDX #$01 B072 E8 INX B073 8A TXA B074 2A ROL B075 25 12 AND $12 B077 F0 02 BEQ $B07B B079 A9 FF LDA #$FF B07B 4C 3C BC JMP $BC3C ; DIM command B07E 20 FD AE JSR $AEFD B081 AA TAX B082 20 90 B0 JSR $B090 B085 20 79 00 JSR $0079 B088 D0 F4 BNE $B07E B08A 60 RTS ; get name and pointer to a variable B08B A2 00 LDX #$00 B08D 20 79 00 JSR $0079 B090 86 0C STX $0C B092 85 45 STA $45 B094 20 79 00 JSR $0079 B097 20 13 B1 JSR $B113 B09A B0 03 BCS $B09F B09C 4C 08 AF JMP $AF08 B09F A2 00 LDX #$00 B0A1 86 0D STX $0D B0A3 86 0E STX $0E B0A5 20 73 00 JSR $0073 B0A8 90 05 BCC $B0AF B0AA 20 13 B1 JSR $B113 B0AD 90 0B BCC $B0BA B0AF AA TAX B0B0 20 73 00 JSR $0073 B0B3 90 FB BCC $B0B0 B0B5 20 13 B1 JSR $B113 B0B8 B0 F6 BCS $B0B0 B0BA C9 24 CMP #$24 ; $ B0BC D0 06 BNE $B0C4 B0BE A9 FF LDA #$FF B0C0 85 0D STA $0D B0C2 D0 10 BNE $B0D4 B0C4 C9 25 CMP #$25 ; % B0C6 D0 13 BNE $B0DB B0C8 A5 10 LDA $10 B0CA D0 D0 BNE $B09C B0CC A9 80 LDA #$80 B0CE 85 0E STA $0E B0D0 05 45 ORA $45 B0D2 85 45 STA $45 B0D4 8A TXA B0D5 09 80 ORA #$80 B0D7 AA TAX B0D8 20 73 00 JSR $0073 B0DB 86 46 STX $46 B0DD 38 SEC B0DE 05 10 ORA $10 B0E0 E9 28 SBC #$28 ; ( B0E2 D0 03 BNE $B0E7 B0E4 4C D1 B1 JMP $B1D1 B0E7 A0 00 LDY #$00 B0E9 84 10 STY $10 B0EB A5 2D LDA $2D B0ED A6 2E LDX $2E B0EF 86 60 STX $60 B0F1 85 5F STA $5F B0F3 E4 30 CPX $30 B0F5 D0 04 BNE $B0FB B0F7 C5 2F CMP $2F B0F9 F0 22 BEQ $B11D B0FB A5 45 LDA $45 B0FD D1 5F CMP ($5F),Y B0FF D0 08 BNE $B109 B101 A5 46 LDA $46 B103 C8 INY B104 D1 5F CMP ($5F),Y B106 F0 7D BEQ $B185 B108 88 DEY B109 18 CLC B10A A5 5F LDA $5F B10C 69 07 ADC #$07 B10E 90 E1 BCC $B0F1 B110 E8 INX B111 D0 DC BNE $B0EF ; check character in A ; C=1 if alphabetic, C=0 if not B113 C9 41 CMP #$41 ; A B115 90 05 BCC $B11C B117 E9 5B SBC #$5B ; Z B119 38 SEC B11A E9 A5 SBC #$A5 B11C 60 RTS ; variable not found B11D 68 PLA B11E 48 PHA B11F C9 2A CMP #$2A B121 D0 05 BNE $B128 B123 A9 13 LDA #$13 B125 A0 BF LDY #$BF B127 60 RTS B128 A5 45 LDA $45 B12A A4 46 LDY $46 B12C C9 54 CMP #$54 ; T B12E D0 0B BNE $B13B B130 C0 C9 CPY #$C9 ; I$ B132 F0 EF BEQ $B123 B134 C0 49 CPY #$49 ; I B136 D0 03 BNE $B13B B138 4C 08 AF JMP $AF08 B13B C9 53 CMP #$53 ; S B13D D0 04 BNE $B143 B13F C0 54 CPY #$54 ; T B141 F0 F5 BEQ $B138 B143 A5 2F LDA $2F B145 A4 30 LDY $30 B147 85 5F STA $5F B149 84 60 STY $60 B14B A5 31 LDA $31 B14D A4 32 LDY $32 B14F 85 5A STA $5A B151 84 5B STY $5B B153 18 CLC B154 69 07 ADC #$07 B156 90 01 BCC $B159 B158 C8 INY B159 85 58 STA $58 B15B 84 59 STY $59 B15D 20 B8 A3 JSR $A3B8 B160 A5 58 LDA $58 B162 A4 59 LDY $59 B164 C8 INY B165 85 2F STA $2F B167 84 30 STY $30 B169 A0 00 LDY #$00 B16B A5 45 LDA $45 B16D 91 5F STA ($5F),Y B16F C8 INY B170 A5 46 LDA $46 B172 91 5F STA ($5F),Y B174 A9 00 LDA #$00 B176 C8 INY B177 91 5F STA ($5F),Y B179 C8 INY B17A 91 5F STA ($5F),Y B17C C8 INY B17D 91 5F STA ($5F),Y B17F C8 INY B180 91 5F STA ($5F),Y B182 C8 INY B183 91 5F STA ($5F),Y ; variable found B185 A5 5F LDA $5F B187 18 CLC B188 69 02 ADC #$02 B18A A4 60 LDY $60 B18C 90 01 BCC $B18F B18E C8 INY B18F 85 47 STA $47 B191 84 48 STY $48 B193 60 RTS ; compute pointer to array body B194 A5 0B LDA $0B B196 0A ASL B197 69 05 ADC #$05 B199 65 5F ADC $5F B19B A4 60 LDY $60 B19D 90 01 BCC $B1A0 B19F C8 INY B1A0 85 58 STA $58 B1A2 84 59 STY $59 B1A4 60 RTS ; float number for conversion to integer B1A5 .BY $90,$80,$00,$00,$00 ; routine to convert float to fixed point B1AA 20 BF B1 JSR $B1BF B1AD A5 64 LDA $64 B1AF A4 65 LDY $65 B1B1 60 RTS ; convert value from statement to integer B1B2 20 73 00 JSR $0073 B1B5 20 9E AD JSR $AD9E B1B8 20 8D AD JSR $AD8D B1BB A5 66 LDA $66 B1BD 30 0D BMI $B1CC ; convert float number to integer B1BF A5 61 LDA $61 B1C1 C9 90 CMP #$90 B1C3 90 09 BCC $B1CE B1C5 A9 A5 LDA #$A5 ; low B1A5 B1C7 A0 B1 LDY #$B1 ; high B1A5 B1C9 20 5B BC JSR $BC5B B1CC D0 7A BNE $B248 B1CE 4C 9B BC JMP $BC9B ; get pointer to dimensioned variable B1D1 A5 0C LDA $0C B1D3 05 0E ORA $0E B1D5 48 PHA B1D6 A5 0D LDA $0D B1D8 48 PHA B1D9 A0 00 LDY #$00 B1DB 98 TYA B1DC 48 PHA B1DD A5 46 LDA $46 B1DF 48 PHA B1E0 A5 45 LDA $45 B1E2 48 PHA B1E3 20 B2 B1 JSR $B1B2 B1E6 68 PLA B1E7 85 45 STA $45 B1E9 68 PLA B1EA 85 46 STA $46 B1EC 68 PLA B1ED A8 TAY B1EE BA TSX B1EF BD 02 01 LDA $0102,X B1F2 48 PHA B1F3 BD 01 01 LDA $0101,X B1F6 48 PHA B1F7 A5 64 LDA $64 B1F9 9D 02 01 STA $0102,X B1FC A5 65 LDA $65 B1FE 9D 01 01 STA $0101,X B201 C8 INY B202 20 79 00 JSR $0079 B205 C9 2C CMP #$2C ; comma B207 F0 D2 BEQ $B1DB B209 84 0B STY $0B B20B 20 F7 AE JSR $AEF7 B20E 68 PLA B20F 85 0D STA $0D B211 68 PLA B212 85 0E STA $0E B214 29 7F AND #$7F B216 85 0C STA $0C B218 A6 2F LDX $2F B21A A5 30 LDA $30 B21C 86 5F STX $5F B21E 85 60 STA $60 B220 C5 32 CMP $32 B222 D0 04 BNE $B228 B224 E4 31 CPX $31 B226 F0 39 BEQ $B261 B228 A0 00 LDY #$00 B22A B1 5F LDA ($5F),Y B22C C8 INY B22D C5 45 CMP $45 B22F D0 06 BNE $B237 B231 A5 46 LDA $46 B233 D1 5F CMP ($5F),Y B235 F0 16 BEQ $B24D B237 C8 INY B238 B1 5F LDA ($5F),Y B23A 18 CLC B23B 65 5F ADC $5F B23D AA TAX B23E C8 INY B23F B1 5F LDA ($5F),Y B241 65 60 ADC $60 B243 90 D7 BCC $B21C B245 A2 12 LDX #$12 ; error number B247 .BY 2C B248 A2 0E LDX #$0E ; error number B24A 4C 37 A4 JMP $A437 B24D A2 13 LDX #$13 ; error number B24F A5 0C LDA $0C B251 D0 F7 BNE $B24A B253 20 94 B1 JSR $B194 B256 A5 0B LDA $0B B258 A0 04 LDY #$04 B25A D1 5F CMP ($5F),Y B25C D0 E7 BNE $B245 B25E 4C EA B2 JMP $B2EA ; allocate array B261 20 94 B1 JSR $B194 B264 20 08 A4 JSR $A408 B267 A0 00 LDY #$00 B269 84 72 STY $72 B26B A2 05 LDX #$05 B26D A5 45 LDA $45 B26F 91 5F STA ($5F),Y B271 10 01 BPL $B274 B273 CA DEX B274 C8 INY B275 A5 46 LDA $46 B277 91 5F STA ($5F),Y B279 10 02 BPL $B27D B27B CA DEX B27C CA DEX B27D 86 71 STX $71 B27F A5 0B LDA $0B B281 C8 INY B282 C8 INY B283 C8 INY B284 91 5F STA ($5F),Y B286 A2 0B LDX #$0B B288 A9 00 LDA #$00 B28A 24 0C BIT $0C B28C 50 08 BVC $B296 B28E 68 PLA B28F 18 CLC B290 69 01 ADC #$01 B292 AA TAX B293 68 PLA B294 69 00 ADC #$00 B296 C8 INY B297 91 5F STA ($5F),Y B299 C8 INY B29A 8A TXA B29B 91 5F STA ($5F),Y B29D 20 4C B3 JSR $B34C B2A0 86 71 STX $71 B2A2 85 72 STA $72 B2A4 A4 22 LDY $22 B2A6 C6 0B DEC $0B B2A8 D0 DC BNE $B286 B2AA 65 59 ADC $59 B2AC B0 5D BCS $B30B B2AE 85 59 STA $59 B2B0 A8 TAY B2B1 8A TXA B2B2 65 58 ADC $58 B2B4 90 03 BCC $B2B9 B2B6 C8 INY B2B7 F0 52 BEQ $B30B B2B9 20 08 A4 JSR $A408 B2BC 85 31 STA $31 B2BE 84 32 STY $32 B2C0 A9 00 LDA #$00 B2C2 E6 72 INC $72 B2C4 A4 71 LDY $71 B2C6 F0 05 BEQ $B2CD B2C8 88 DEY B2C9 91 58 STA ($58),Y B2CB D0 FB BNE $B2C8 B2CD C6 59 DEC $59 B2CF C6 72 DEC $72 B2D1 D0 F5 BNE $B2C8 B2D3 E6 59 INC $59 B2D5 38 SEC B2D6 A5 31 LDA $31 B2D8 E5 5F SBC $5F B2DA A0 02 LDY #$02 B2DC 91 5F STA ($5F),Y B2DE A5 32 LDA $32 B2E0 C8 INY B2E1 E5 60 SBC $60 B2E3 91 5F STA ($5F),Y B2E5 A5 0C LDA $0C B2E7 D0 62 BNE $B34B B2E9 C8 INY ; compute reference to array element B2EA B1 5F LDA ($5F),Y B2EC 85 0B STA $0B B2EE A9 00 LDA #$00 B2F0 85 71 STA $71 B2F2 85 72 STA $72 B2F4 C8 INY B2F5 68 PLA B2F6 AA TAX B2F7 85 64 STA $64 B2F9 68 PLA B2FA 85 65 STA $65 B2FC D1 5F CMP ($5F),Y B2FE 90 0E BCC $B30E B300 D0 06 BNE $B308 B302 C8 INY B303 8A TXA B304 D1 5F CMP ($5F),Y B306 90 07 BCC $B30F B308 4C 45 B2 JMP $B245 B30B 4C 35 A4 JMP $A435 B30E C8 INY B30F A5 72 LDA $72 B311 05 71 ORA $71 B313 18 CLC B314 F0 0A BEQ $B320 B316 20 4C B3 JSR $B34C B319 8A TXA B31A 65 64 ADC $64 B31C AA TAX B31D 98 TYA B31E A4 22 LDY $22 B320 65 65 ADC $65 B322 86 71 STX $71 B324 C6 0B DEC $0B B326 D0 CA BNE $B2F2 B328 85 72 STA $72 B32A A2 05 LDX #$05 B32C A5 45 LDA $45 B32E 10 01 BPL $B331 B330 CA DEX B331 A5 46 LDA $46 B333 10 02 BPL $B337 B335 CA DEX B336 CA DEX B337 86 28 STX $28 B339 A9 00 LDA #$00 B33B 20 55 B3 JSR $B355 B33E 8A TXA B33F 65 58 ADC $58 B341 85 47 STA $47 B343 98 TYA B344 65 59 ADC $59 B346 85 48 STA $48 B348 A8 TAY B349 A5 47 LDA $47 B34B 60 RTS ; XY = XA = length * limit from array data B34C 84 22 STY $22 B34E B1 5F LDA ($5F),Y B350 85 28 STA $28 B352 88 DEY B353 B1 5F LDA ($5F),Y B355 85 29 STA $29 B357 A9 10 LDA #$10 B359 85 5D STA $5D B35B A2 00 LDX #$00 B35D A0 00 LDY #$00 B35F 8A TXA B360 0A ASL B361 AA TAX B362 98 TYA B363 2A ROL B364 A8 TAY B365 B0 A4 BCS $B30B B367 06 71 ASL $71 B369 26 72 ROL $72 B36B 90 0B BCC $B378 B36D 18 CLC B36E 8A TXA B36F 65 28 ADC $28 B371 AA TAX B372 98 TYA B373 65 29 ADC $29 B375 A8 TAY B376 B0 93 BCS $B30B B378 C6 5D DEC $5D B37A D0 E3 BNE $B35F B37C 60 RTS ; FRE function B37D A5 0D LDA $0D B37F F0 03 BEQ $B384 B381 20 A6 B6 JSR $B6A6 B384 20 26 B5 JSR $B526 B387 38 SEC B388 A5 33 LDA $33 B38A E5 31 SBC $31 B38C A8 TAY B38D A5 34 LDA $34 B38F E5 32 SBC $32 ; routine to convert integer to float B391 A2 00 LDX #$00 B393 86 0D STX $0D B395 85 62 STA $62 B397 84 63 STY $63 B399 A2 90 LDX #$90 B39B 4C 44 BC JMP $BC44 ; POS function B39E 38 SEC B39F 20 F0 FF JSR $FFF0 B3A2 A9 00 LDA #$00 B3A4 F0 EB BEQ $B391 ; check for non-direct mode B3A6 A6 3A LDX $3A B3A8 E8 INX B3A9 D0 A0 BNE $B34B B3AB A2 15 LDX #$15 ; error number B3AD .BY $2C B3AE A2 1B LDX #$1B ; error number B3B0 4C 37 A4 JMP $A437 ; DEF command B3B3 20 E1 B3 JSR $B3E1 B3B6 20 A6 B3 JSR $B3A6 B3B9 20 FA AE JSR $AEFA B3BC A9 80 LDA #$80 B3BE 85 10 STA $10 B3C0 20 8B B0 JSR $B08B B3C3 20 8D AD JSR $AD8D B3C6 20 F7 AE JSR $AEF7 B3C9 A9 B2 LDA #$B2 B3CB 20 FF AE JSR $AEFF B3CE 48 PHA B3CF A5 48 LDA $48 B3D1 48 PHA B3D2 A5 47 LDA $47 B3D4 48 PHA B3D5 A5 7B LDA $7B B3D7 48 PHA B3D8 A5 7A LDA $7A B3DA 48 PHA B3DB 20 F8 A8 JSR $A8F8 B3DE 4C 4F B4 JMP $B44F ; get function name B3E1 A9 A5 LDA #$A5 B3E3 20 FF AE JSR $AEFF B3E6 09 80 ORA #$80 B3E8 85 10 STA $10 B3EA 20 92 B0 JSR $B092 B3ED 85 4E STA $4E B3EF 84 4F STY $4F B3F1 4C 8D AD JMP $AD8D ; expand FN call B3F4 20 E1 B3 JSR $B3E1 B3F7 A5 4F LDA $4F B3F9 48 PHA B3FA A5 4E LDA $4E B3FC 48 PHA B3FD 20 F1 AE JSR $AEF1 B400 20 8D AD JSR $AD8D B403 68 PLA B404 85 4E STA $4E B406 68 PLA B407 85 4F STA $4F B409 A0 02 LDY #$02 B40B B1 4E LDA ($4E),Y B40D 85 47 STA $47 B40F AA TAX B410 C8 INY B411 B1 4E LDA ($4E),Y B413 F0 99 BEQ $B3AE B415 85 48 STA $48 B417 C8 INY B418 B1 47 LDA ($47),Y B41A 48 PHA B41B 88 DEY B41C 10 FA BPL $B418 B41E A4 48 LDY $48 B420 20 D4 BB JSR $BBD4 B423 A5 7B LDA $7B B425 48 PHA B426 A5 7A LDA $7A B428 48 PHA B429 B1 4E LDA ($4E),Y B42B 85 7A STA $7A B42D C8 INY B42E B1 4E LDA ($4E),Y B430 85 7B STA $7B B432 A5 48 LDA $48 B434 48 PHA B435 A5 47 LDA $47 B437 48 PHA B438 20 8A AD JSR $AD8A B43B 68 PLA B43C 85 4E STA $4E B43E 68 PLA B43F 85 4F STA $4F B441 20 79 00 JSR $0079 B444 F0 03 BEQ $B449 B446 4C 08 AF JMP $AF08 B449 68 PLA B44A 85 7A STA $7A B44C 68 PLA B44D 85 7B STA $7B B44F A0 00 LDY #$00 B451 68 PLA B452 91 4E STA ($4E),Y B454 68 PLA B455 C8 INY B456 91 4E STA ($4E),Y B458 68 PLA B459 C8 INY B45A 91 4E STA ($4E),Y B45C 68 PLA B45D C8 INY B45E 91 4E STA ($4E),Y B460 68 PLA B461 C8 INY B462 91 4E STA ($4E),Y B464 60 RTS ; STR$ function B465 20 8D AD JSR $AD8D B468 A0 00 LDY #$00 B46A 20 DF BD JSR $BDDF B46D 68 PLA B46E 68 PLA B46F A9 FF LDA #$FF B471 A0 00 LDY #$00 B473 F0 12 BEQ $B487 B475 A6 64 LDX $64 B477 A4 65 LDY $65 B479 86 50 STX $50 B47B 84 51 STY $51 ; allocate area according to A B47D 20 F4 B4 JSR $B4F4 B480 86 62 STX $62 B482 84 63 STY $63 B484 85 61 STA $61 B486 60 RTS ; get description of string into float accu B487 A2 22 LDX #$22 ; quote mark B489 86 07 STX $07 B48B 86 08 STX $08 B48D 85 6F STA $6F B48F 84 70 STY $70 B491 85 62 STA $62 B493 84 63 STY $63 B495 A0 FF LDY #$FF B497 C8 INY B498 B1 6F LDA ($6F),Y B49A F0 0C BEQ $B4A8 B49C C5 07 CMP $07 B49E F0 04 BEQ $B4A4 B4A0 C5 08 CMP $08 B4A2 D0 F3 BNE $B497 B4A4 C9 22 CMP #$22 ; quote mark B4A6 F0 01 BEQ $B4A9 B4A8 18 CLC B4A9 84 61 STY $61 B4AB 98 TYA B4AC 65 6F ADC $6F B4AE 85 71 STA $71 B4B0 A6 70 LDX $70 B4B2 90 01 BCC $B4B5 B4B4 E8 INX B4B5 86 72 STX $72 B4B7 A5 70 LDA $70 B4B9 F0 04 BEQ $B4BF B4BB C9 02 CMP #$02 B4BD D0 0B BNE $B4CA B4BF 98 TYA B4C0 20 75 B4 JSR $B475 B4C3 A6 6F LDX $6F B4C5 A4 70 LDY $70 B4C7 20 88 B6 JSR $B688 ; save descriptor from $61-$63 on stack B4CA A6 16 LDX $16 B4CC E0 22 CPX #$22 B4CE D0 05 BNE $B4D5 B4D0 A2 19 LDX #$19 B4D2 4C 37 A4 JMP $A437 B4D5 A5 61 LDA $61 B4D7 95 00 STA $00,X B4D9 A5 62 LDA $62 B4DB 95 01 STA $01,X B4DD A5 63 LDA $63 B4DF 95 02 STA $02,X B4E1 A0 00 LDY #$00 B4E3 86 64 STX $64 B4E5 84 65 STY $65 B4E7 84 70 STY $70 B4E9 88 DEY B4EA 84 0D STY $0D B4EC 86 17 STX $17 B4EE E8 INX B4EF E8 INX B4F0 E8 INX B4F1 86 16 STX $16 B4F3 60 RTS ; allocate number of bytes in A B4F4 46 0F LSR $0F B4F6 48 PHA B4F7 49 FF EOR #$FF B4F9 38 SEC B4FA 65 33 ADC $33 B4FC A4 34 LDY $34 B4FE B0 01 BCS $B501 B500 88 DEY B501 C4 32 CPY $32 B503 90 11 BCC $B516 B505 D0 04 BNE $B50B B507 C5 31 CMP $31 B509 90 0B BCC $B516 B50B 85 33 STA $33 B50D 84 34 STY $34 B50F 85 35 STA $35 B511 84 36 STY $36 B513 AA TAX B514 68 PLA B515 60 RTS B516 A2 10 LDX #$10 B518 A5 0F LDA $0F B51A 30 B6 BMI $B4D2 B51C 20 26 B5 JSR $B526 B51F A9 80 LDA #$80 B521 85 0F STA $0F B523 68 PLA B524 D0 D0 BNE $B4F6 ; string garbage clean up B526 A6 37 LDX $37 B528 A5 38 LDA $38 B52A 86 33 STX $33 B52C 85 34 STA $34 B52E A0 00 LDY #$00 B530 84 4F STY $4F B532 84 4E STY $4E B534 A5 31 LDA $31 B536 A6 32 LDX $32 B538 85 5F STA $5F B53A 86 60 STX $60 B53C A9 19 LDA #$19 ; low 0019 B53E A2 00 LDX #$00 ; high 0019 B540 85 22 STA $22 B542 86 23 STX $23 B544 C5 16 CMP $16 B546 F0 05 BEQ $B54D B548 20 C7 B5 JSR $B5C7 B54B F0 F7 BEQ $B544 B54D A9 07 LDA #$07 B54F 85 53 STA $53 B551 A5 2D LDA $2D B553 A6 2E LDX $2E B555 85 22 STA $22 B557 86 23 STX $23 B559 E4 30 CPX $30 B55B D0 04 BNE $B561 B55D C5 2F CMP $2F B55F F0 05 BEQ $B566 B561 20 BD B5 JSR $B5BD B564 F0 F3 BEQ $B559 B566 85 58 STA $58 B568 86 59 STX $59 B56A A9 03 LDA #$03 B56C 85 53 STA $53 B56E A5 58 LDA $58 B570 A6 59 LDX $59 B572 E4 32 CPX $32 B574 D0 07 BNE $B57D B576 C5 31 CMP $31 B578 D0 03 BNE $B57D B57A 4C 06 B6 JMP $B606 B57D 85 22 STA $22 B57F 86 23 STX $23 B581 A0 00 LDY #$00 B583 B1 22 LDA ($22),Y B585 AA TAX B586 C8 INY B587 B1 22 LDA ($22),Y B589 08 PHP B58A C8 INY B58B B1 22 LDA ($22),Y B58D 65 58 ADC $58 B58F 85 58 STA $58 B591 C8 INY B592 B1 22 LDA ($22),Y B594 65 59 ADC $59 B596 85 59 STA $59 B598 28 PLP B599 10 D3 BPL $B56E B59B 8A TXA B59C 30 D0 BMI $B56E B59E C8 INY B59F B1 22 LDA ($22),Y B5A1 A0 00 LDY #$00 B5A3 0A ASL B5A4 69 05 ADC #$05 B5A6 65 22 ADC $22 B5A8 85 22 STA $22 B5AA 90 02 BCC $B5AE B5AC E6 23 INC $23 B5AE A6 23 LDX $23 B5B0 E4 59 CPX $59 B5B2 D0 04 BNE $B5B8 B5B4 C5 58 CMP $58 B5B6 F0 BA BEQ $B572 B5B8 20 C7 B5 JSR $B5C7 B5BB F0 F3 BEQ $B5B0 ; check string area B5BD B1 22 LDA ($22),Y B5BF 30 35 BMI $B5F6 B5C1 C8 INY B5C2 B1 22 LDA ($22),Y B5C4 10 30 BPL $B5F6 B5C6 C8 INY ; check string area B5C7 B1 22 LDA ($22),Y B5C9 F0 2B BEQ $B5F6 B5CB C8 INY B5CC B1 22 LDA ($22),Y B5CE AA TAX B5CF C8 INY B5D0 B1 22 LDA ($22),Y B5D2 C5 34 CMP $34 B5D4 90 06 BCC $B5DC B5D6 D0 1E BNE $B5F6 B5D8 E4 33 CPX $33 B5DA B0 1A BCS $B5F6 B5DC C5 60 CMP $60 B5DE 90 16 BCC $B5F6 B5E0 D0 04 BNE $B5E6 B5E2 E4 5F CPX $5F B5E4 90 10 BCC $B5F6 B5E6 86 5F STX $5F B5E8 85 60 STA $60 B5EA A5 22 LDA $22 B5EC A6 23 LDX $23 B5EE 85 4E STA $4E B5F0 86 4F STX $4F B5F2 A5 53 LDA $53 B5F4 85 55 STA $55 B5F6 A5 53 LDA $53 B5F8 18 CLC B5F9 65 22 ADC $22 B5FB 85 22 STA $22 B5FD 90 02 BCC $B601 B5FF E6 23 INC $23 B601 A6 23 LDX $23 B603 A0 00 LDY #$00 B605 60 RTS ; continuation of garbage clean up B606 A5 4F LDA $4F B608 05 4E ORA $4E B60A F0 F5 BEQ $B601 B60C A5 55 LDA $55 B60E 29 04 AND #$04 B610 4A LSR B611 A8 TAY B612 85 55 STA $55 B614 B1 4E LDA ($4E),Y B616 65 5F ADC $5F B618 85 5A STA $5A B61A A5 60 LDA $60 B61C 69 00 ADC #$00 B61E 85 5B STA $5B B620 A5 33 LDA $33 B622 A6 34 LDX $34 B624 85 58 STA $58 B626 86 59 STX $59 B628 20 BF A3 JSR $A3BF B62B A4 55 LDY $55 B62D C8 INY B62E A5 58 LDA $58 B630 91 4E STA ($4E),Y B632 AA TAX B633 E6 59 INC $59 B635 A5 59 LDA $59 B637 C8 INY B638 91 4E STA ($4E),Y B63A 4C 2A B5 JMP $B52A ; joining strings B63D A5 65 LDA $65 B63F 48 PHA B640 A5 64 LDA $64 B642 48 PHA B643 20 83 AE JSR $AE83 B646 20 8F AD JSR $AD8F B649 68 PLA B64A 85 6F STA $6F B64C 68 PLA B64D 85 70 STA $70 B64F A0 00 LDY #$00 B651 B1 6F LDA ($6F),Y B653 18 CLC B654 71 64 ADC ($64),Y B656 90 05 BCC $B65D B658 A2 17 LDX #$17 B65A 4C 37 A4 JMP $A437 B65D 20 75 B4 JSR $B475 B660 20 7A B6 JSR $B67A B663 A5 50 LDA $50 B665 A4 51 LDY $51 B667 20 AA B6 JSR $B6AA B66A 20 8C B6 JSR $B68C B66D A5 6F LDA $6F B66F A4 70 LDY $70 B671 20 AA B6 JSR $B6AA B674 20 CA B4 JSR $B4CA B677 4C B8 AD JMP $ADB8 ; move string B67A A0 00 LDY #$00 B67C B1 6F LDA ($6F),Y B67E 48 PHA B67F C8 INY B680 B1 6F LDA ($6F),Y B682 AA TAX B683 C8 INY B684 B1 6F LDA ($6F),Y B686 A8 TAY B687 68 PLA ; move string with length A, pointer in XY B688 86 22 STX $22 B68A 84 23 STY $23 B68C A8 TAY B68D F0 0A BEQ $B699 B68F 48 PHA B690 88 DEY B691 B1 22 LDA ($22),Y B693 91 35 STA ($35),Y B695 98 TYA B696 D0 F8 BNE $B690 B698 68 PLA B699 18 CLC B69A 65 35 ADC $35 B69C 85 35 STA $35 B69E 90 02 BCC $B6A2 B6A0 E6 36 INC $36 B6A2 60 RTS ; de-allocate temporary string B6A3 20 8F AD JSR $AD8F B6A6 A5 64 LDA $64 B6A8 A4 65 LDY $65 B6AA 85 22 STA $22 B6AC 84 23 STY $23 B6AE 20 DB B6 JSR $B6DB B6B1 08 PHP B6B2 A0 00 LDY #$00 B6B4 B1 22 LDA ($22),Y B6B6 48 PHA B6B7 C8 INY B6B8 B1 22 LDA ($22),Y B6BA AA TAX B6BB C8 INY B6BC B1 22 LDA ($22),Y B6BE A8 TAY B6BF 68 PLA B6C0 28 PLP B6C1 D0 13 BNE $B6D6 B6C3 C4 34 CPY $34 B6C5 D0 0F BNE $B6D6 B6C7 E4 33 CPX $33 B6C9 D0 0B BNE $B6D6 B6CB 48 PHA B6CC 18 CLC B6CD 65 33 ADC $33 B6CF 85 33 STA $33 B6D1 90 02 BCC $B6D5 B6D3 E6 34 INC $34 B6D5 68 PLA B6D6 86 22 STX $22 B6D8 84 23 STY $23 B6DA 60 RTS ; check descriptor stack B6DB C4 18 CPY $18 B6DD D0 0C BNE $B6EB B6DF C5 17 CMP $17 B6E1 D0 08 BNE $B6EB B6E3 85 16 STA $16 B6E5 E9 03 SBC #$03 B6E7 85 17 STA $17 B6E9 A0 00 LDY #$00 B6EB 60 RTS ; CHR$ function B6EC 20 A1 B7 JSR $B7A1 B6EF 8A TXA B6F0 48 PHA B6F1 A9 01 LDA #$01 B6F3 20 7D B4 JSR $B47D B6F6 68 PLA B6F7 A0 00 LDY #$00 B6F9 91 62 STA ($62),Y B6FB 68 PLA B6FC 68 PLA B6FD 4C CA B4 JMP $B4CA ; LEFT$ function B700 20 61 B7 JSR $B761 B703 D1 50 CMP ($50),Y B705 98 TYA B706 90 04 BCC $B70C B708 B1 50 LDA ($50),Y B70A AA TAX B70B 98 TYA B70C 48 PHA B70D 8A TXA B70E 48 PHA B70F 20 7D B4 JSR $B47D B712 A5 50 LDA $50 B714 A4 51 LDY $51 B716 20 AA B6 JSR $B6AA B719 68 PLA B71A A8 TAY B71B 68 PLA B71C 18 CLC B71D 65 22 ADC $22 B71F 85 22 STA $22 B721 90 02 BCC $B725 B723 E6 23 INC $23 B725 98 TYA B726 20 8C B6 JSR $B68C B729 4C CA B4 JMP $B4CA ; RIGHT$ function B72C 20 61 B7 JSR $B761 B72F 18 CLC B730 F1 50 SBC ($50),Y B732 49 FF EOR #$FF B734 4C 06 B7 JMP $B706 ; MID$ function B737 A9 FF LDA #$FF ; default 3 parameter B739 85 65 STA $65 B73B 20 79 00 JSR $0079 B73E C9 29 CMP #$29 ; ) B740 F0 06 BEQ $B748 B742 20 FD AE JSR $AEFD B745 20 9E B7 JSR $B79E B748 20 61 B7 JSR $B761 B74B F0 4B BEQ $B798 B74D CA DEX B74E 8A TXA B74F 48 PHA B750 18 CLC B751 A2 00 LDX #$00 B753 F1 50 SBC ($50),Y B755 B0 B6 BCS $B70D B757 49 FF EOR #$FF B759 C5 65 CMP $65 B75B 90 B1 BCC $B70E B75D A5 65 LDA $65 B75F B0 AD BCS $B70E ; get first 2 parameters for ; LEFT$, RIGHT$ and MID$ B761 20 F7 AE JSR $AEF7 B764 68 PLA B765 A8 TAY B766 68 PLA B767 85 55 STA $55 B769 68 PLA B76A 68 PLA B76B 68 PLA B76C AA TAX B76D 68 PLA B76E 85 50 STA $50 B770 68 PLA B771 85 51 STA $51 B773 A5 55 LDA $55 B775 48 PHA B776 98 TYA B777 48 PHA B778 A0 00 LDY #$00 B77A 8A TXA B77B 60 RTS ; LEN function B77C 20 82 B7 JSR $B782 B77F 4C A2 B3 JMP $B3A2 B782 20 A3 B6 JSR $B6A3 B785 A2 00 LDX #$00 B787 86 0D STX $0D B789 A8 TAY B78A 60 RTS ; ASC function B78B 20 82 B7 JSR $B782 B78E F0 08 BEQ $B798 B790 A0 00 LDY #$00 B792 B1 22 LDA ($22),Y B794 A8 TAY B795 4C A2 B3 JMP $B3A2 B798 4C 48 B2 JMP $B248 ; fetch integer value in X and check range B79B 20 73 00 JSR $0073 B79E 20 8A AD JSR $AD8A B7A1 20 B8 B1 JSR $B1B8 B7A4 A6 64 LDX $64 B7A6 D0 F0 BNE $B798 B7A8 A6 65 LDX $65 B7AA 4C 79 00 JMP $0079 ; VAL function B7AD 20 82 B7 JSR $B782 B7B0 D0 03 BNE $B7B5 B7B2 4C F7 B8 JMP $B8F7 B7B5 A6 7A LDX $7A B7B7 A4 7B LDY $7B B7B9 86 71 STX $71 B7BB 84 72 STY $72 B7BD A6 22 LDX $22 B7BF 86 7A STX $7A B7C1 18 CLC B7C2 65 22 ADC $22 B7C4 85 24 STA $24 B7C6 A6 23 LDX $23 B7C8 86 7B STX $7B B7CA 90 01 BCC $B7CD B7CC E8 INX B7CD 86 25 STX $25 B7CF A0 00 LDY #$00 B7D1 B1 24 LDA ($24),Y B7D3 48 PHA B7D4 98 TYA B7D5 91 24 STA ($24),Y B7D7 20 79 00 JSR $0079 B7DA 20 F3 BC JSR $BCF3 B7DD 68 PLA B7DE A0 00 LDY #$00 B7E0 91 24 STA ($24),Y B7E2 A6 71 LDX $71 B7E4 A4 72 LDY $72 B7E6 86 7A STX $7A B7E8 84 7B STY $7B B7EA 60 RTS ; get address into $14/$15 and integer in X B7EB 20 8A AD JSR $AD8A B7EE 20 F7 B7 JSR $B7F7 B7F1 20 FD AE JSR $AEFD B7F4 4C 9E B7 JMP $B79E ; convert float ti integer in $14/$15 B7F7 A5 66 LDA $66 B7F9 30 9D BMI $B798 B7FB A5 61 LDA $61 B7FD C9 91 CMP #$91 B7FF B0 97 BCS $B798 B801 20 9B BC JSR $BC9B B804 A5 64 LDA $64 B806 A4 65 LDY $65 B808 84 14 STY $14 B80A 85 15 STA $15 B80C 60 RTS ; PEEK function B80D A5 15 LDA $15 B80F 48 PHA B810 A5 14 LDA $14 B812 48 PHA B813 20 F7 B7 JSR $B7F7 B816 A0 00 LDY #$00 B818 B1 14 LDA ($14),Y B81A A8 TAY B81B 68 PLA B81C 85 14 STA $14 B81E 68 PLA B81F 85 15 STA $15 B821 4C A2 B3 JMP $B3A2 ; POKE command B824 20 EB B7 JSR $B7EB B827 8A TXA B828 A0 00 LDY #$00 B82A 91 14 STA ($14),Y B82C 60 RTS ; WAIT command B82D 20 EB B7 JSR $B7EB B830 86 49 STX $49 B832 A2 00 LDX #$00 B834 20 79 00 JSR $0079 B837 F0 03 BEQ $B83C B839 20 F1 B7 JSR $B7F1 B83C 86 4A STX $4A B83E A0 00 LDY #$00 B840 B1 14 LDA ($14),Y B842 45 4A EOR $4A B844 25 49 AND $49 B846 F0 F8 BEQ $B840 B848 60 RTS ; add 0.5 to float accu (rounding) B849 A9 11 LDA #$11 ; low BF11 B84B A0 BF LDY #$BF ; high BF11 B84D 4C 67 B8 JMP $B867 ; minus operator B850 20 8C BA JSR $BA8C B853 A5 66 LDA $66 B855 49 FF EOR #$FF B857 85 66 STA $66 B859 45 6E EOR $6E B85B 85 6F STA $6F B85D A5 61 LDA $61 B85F 4C 6A B8 JMP $B86A B862 20 99 B9 JSR $B999 B865 90 3C BCC $B8A3 ; add float indexed by AY to float accu B867 20 8C BA JSR $BA8C ; plus operator B86A D0 03 BNE $B86F B86C 4C FC BB JMP $BBFC B86F A6 70 LDX $70 B871 86 56 STX $56 B873 A2 69 LDX #$69 B875 A5 69 LDA $69 B877 A8 TAY B878 F0 CE BEQ $B848 B87A 38 SEC B87B E5 61 SBC $61 B87D F0 24 BEQ $B8A3 B87F 90 12 BCC $B893 B881 84 61 STY $61 B883 A4 6E LDY $6E B885 84 66 STY $66 B887 49 FF EOR #$FF B889 69 00 ADC #$00 B88B A0 00 LDY #$00 B88D 84 56 STY $56 B88F A2 61 LDX #$61 B891 D0 04 BNE $B897 B893 A0 00 LDY #$00 B895 84 70 STY $70 B897 C9 F9 CMP #$F9 B899 30 C7 BMI $B862 B89B A8 TAY B89C A5 70 LDA $70 B89E 56 01 LSR $01,X B8A0 20 B0 B9 JSR $B9B0 B8A3 24 6F BIT $6F B8A5 10 57 BPL $B8FE B8A7 A0 61 LDY #$61 B8A9 E0 69 CPX #$69 B8AB F0 02 BEQ $B8AF B8AD A0 69 LDY #$69 B8AF 38 SEC B8B0 49 FF EOR #$FF B8B2 65 56 ADC $56 B8B4 85 70 STA $70 B8B6 B9 04 00 LDA $0004,Y B8B9 F5 04 SBC $04,X B8BB 85 65 STA $65 B8BD B9 03 00 LDA $0003,Y B8C0 F5 03 SBC $03,X B8C2 85 64 STA $64 B8C4 B9 02 00 LDA $0002,Y B8C7 F5 02 SBC $02,X B8C9 85 63 STA $63 B8CB B9 01 00 LDA $0001,Y B8CE F5 01 SBC $01,X B8D0 85 62 STA $62 B8D2 B0 03 BCS $B8D7 B8D4 20 47 B9 JSR $B947 B8D7 A0 00 LDY #$00 B8D9 98 TYA B8DA 18 CLC B8DB A6 62 LDX $62 B8DD D0 4A BNE $B929 B8DF A6 63 LDX $63 B8E1 86 62 STX $62 B8E3 A6 64 LDX $64 B8E5 86 63 STX $63 B8E7 A6 65 LDX $65 B8E9 86 64 STX $64 B8EB A6 70 LDX $70 B8ED 86 65 STX $65 B8EF 84 70 STY $70 B8F1 69 08 ADC #$08 B8F3 C9 20 CMP #$20 B8F5 D0 E4 BNE $B8DB B8F7 A9 00 LDA #$00 B8F9 85 61 STA $61 B8FB 85 66 STA $66 B8FD 60 RTS ; add fractions B8FE 65 56 ADC $56 B900 85 70 STA $70 B902 A5 65 LDA $65 B904 65 6D ADC $6D B906 85 65 STA $65 B908 A5 64 LDA $64 B90A 65 6C ADC $6C B90C 85 64 STA $64 B90E A5 63 LDA $63 B910 65 6B ADC $6B B912 85 63 STA $63 B914 A5 62 LDA $62 B916 65 6A ADC $6A B918 85 62 STA $62 B91A 4C 36 B9 JMP $B936 ; postshift B91D 69 01 ADC #$01 B91F 06 70 ASL $70 B921 26 65 ROL $65 B923 26 64 ROL $64 B925 26 63 ROL $63 B927 26 62 ROL $62 B929 10 F2 BPL $B91D B92B 38 SEC B92C E5 61 SBC $61 B92E B0 C7 BCS $B8F7 B930 49 FF EOR #$FF B932 69 01 ADC #$01 B934 85 61 STA $61 B936 90 0E BCC $B946 B938 E6 61 INC $61 B93A F0 42 BEQ $B97E B93C 66 62 ROR $62 B93E 66 63 ROR $63 B940 66 64 ROR $64 B942 66 65 ROR $65 B944 66 70 ROR $70 B946 60 RTS ; negate float accu B947 A5 66 LDA $66 B949 49 FF EOR #$FF B94B 85 66 STA $66 B94D A5 62 LDA $62 B94F 49 FF EOR #$FF B951 85 62 STA $62 B953 A5 63 LDA $63 B955 49 FF EOR #$FF B957 85 63 STA $63 B959 A5 64 LDA $64 B95B 49 FF EOR #$FF B95D 85 64 STA $64 B95F A5 65 LDA $65 B961 49 FF EOR #$FF B963 85 65 STA $65 B965 A5 70 LDA $70 B967 49 FF EOR #$FF B969 85 70 STA $70 B96B E6 70 INC $70 B96D D0 0E BNE $B97D ; increment fraction B96F E6 65 INC $65 B971 D0 0A BNE $B97D B973 E6 64 INC $64 B975 D0 06 BNE $B97D B977 E6 63 INC $63 B979 D0 02 BNE $B97D B97B E6 62 INC $62 B97D 60 RTS B97E A2 0F LDX #$0F ; error number B980 4C 37 A4 JMP $A437 ; preshift B983 A2 25 LDX #$25 B985 B4 04 LDY $04,X B987 84 70 STY $70 B989 B4 03 LDY $03,X B98B 94 04 STY $04,X B98D B4 02 LDY $02,X B98F 94 03 STY $03,X B991 B4 01 LDY $01,X B993 94 02 STY $02,X B995 A4 68 LDY $68 B997 94 01 STY $01,X B999 69 08 ADC #$08 B99B 30 E8 BMI $B985 B99D F0 E6 BEQ $B985 B99F E9 08 SBC #$08 B9A1 A8 TAY B9A2 A5 70 LDA $70 B9A4 B0 14 BCS $B9BA B9A6 16 01 ASL $01,X B9A8 90 02 BCC $B9AC B9AA F6 01 INC $01,X B9AC 76 01 ROR $01,X B9AE 76 01 ROR $01,X B9B0 76 02 ROR $02,X B9B2 76 03 ROR $03,X B9B4 76 04 ROR $04,X B9B6 6A ROR B9B7 C8 INY B9B8 D0 EC BNE $B9A6 B9BA 18 CLC B9BB 60 RTS ; 1 B9BC .BY $81,$00,$00,$00,$00 ; LOG polynomial table B9C1 .BY $03 ; degree 4 B9C2 .BY $7F,$5E,$56,$CB,$79 B9C7 .BY $80,$13,$9B,$0B,$64 B9CC .BY $80,$76,$38,$93,$16 B9D1 .BY $82,$38,$AA,$3B,$20 ; 0,5 * SQR(2) B9D6 .BY $80,$35,$04,$F3,$34 ; SQR(2) B9DB .BY $81,$35,$04,$F3,$34 ; -0.5 B9E0 .BY $80,$80,$00,$00,$00 ; LOG(2) B9E5 .BY $80,$31,$72,$17,$F8 ; LOG function B9EA 20 2B BC JSR $BC2B B9ED F0 02 BEQ $B9F1 B9EF 10 03 BPL $B9F4 B9F1 4C 48 B2 JMP $B248 B9F4 A5 61 LDA $61 B9F6 E9 7F SBC #$7F B9F8 48 PHA B9F9 A9 80 LDA #$80 B9FB 85 61 STA $61 B9FD A9 D6 LDA #$D6 ; low B9D6 B9FF A0 B9 LDY #$B9 ; high B9D6 BA01 20 67 B8 JSR $B867 BA04 A9 DB LDA #$DB ; low B9DB BA06 A0 B9 LDY #$B9 ; high B9DB BA08 20 0F BB JSR $BB0F BA0B A9 BC LDA #$BC ; low B9BC BA0D A0 B9 LDY #$B9 ; high B9BC BA0F 20 50 B8 JSR $B850 BA12 A9 C1 LDA #$C1 ; low B9C1 BA14 A0 B9 LDY #$B9 ; high B9C1 BA16 20 43 E0 JSR $E043 BA19 A9 E0 LDA #$E0 ; low B9E0 BA1B A0 B9 LDY #$B9 ; high B9E0 BA1D 20 67 B8 JSR $B867 BA20 68 PLA BA21 20 7E BD JSR $BD7E BA24 A9 E5 LDA #$E5 ; low B9E5 BA26 A0 B9 LDY #$B9 ; high B9E5 BA28 20 8C BA JSR $BA8C ; times operator BA2B D0 03 BNE $BA30 BA2D 4C 8B BA JMP $BA8B BA30 20 B7 BA JSR $BAB7 BA33 A9 00 LDA #$00 BA35 85 26 STA $26 BA37 85 27 STA $27 BA39 85 28 STA $28 BA3B 85 29 STA $29 BA3D A5 70 LDA $70 BA3F 20 59 BA JSR $BA59 BA42 A5 65 LDA $65 BA44 20 59 BA JSR $BA59 BA47 A5 64 LDA $64 BA49 20 59 BA JSR $BA59 BA4C A5 63 LDA $63 BA4E 20 59 BA JSR $BA59 BA51 A5 62 LDA $62 BA53 20 5E BA JSR $BA5E BA56 4C 8F BB JMP $BB8F BA59 D0 03 BNE $BA5E BA5B 4C 83 B9 JMP $B983 BA5E 4A LSR BA5F 09 80 ORA #$80 BA61 A8 TAY BA62 90 19 BCC $BA7D BA64 18 CLC BA65 A5 29 LDA $29 BA67 65 6D ADC $6D BA69 85 29 STA $29 BA6B A5 28 LDA $28 BA6D 65 6C ADC $6C BA6F 85 28 STA $28 BA71 A5 27 LDA $27 BA73 65 6B ADC $6B BA75 85 27 STA $27 BA77 A5 26 LDA $26 BA79 65 6A ADC $6A BA7B 85 26 STA $26 BA7D 66 26 ROR $26 BA7F 66 27 ROR $27 BA81 66 28 ROR $28 BA83 66 29 ROR $29 BA85 66 70 ROR $70 BA87 98 TYA BA88 4A LSR BA89 D0 D6 BNE $BA61 BA8B 60 RTS ; move float indexed by AY into second float accu BA8C 85 22 STA $22 BA8E 84 23 STY $23 BA90 A0 04 LDY #$04 BA92 B1 22 LDA ($22),Y BA94 85 6D STA $6D BA96 88 DEY BA97 B1 22 LDA ($22),Y BA99 85 6C STA $6C BA9B 88 DEY BA9C B1 22 LDA ($22),Y BA9E 85 6B STA $6B BAA0 88 DEY BAA1 B1 22 LDA ($22),Y BAA3 85 6E STA $6E BAA5 45 66 EOR $66 BAA7 85 6F STA $6F BAA9 A5 6E LDA $6E BAAB 09 80 ORA #$80 BAAD 85 6A STA $6A BAAF 88 DEY BAB0 B1 22 LDA ($22),Y BAB2 85 69 STA $69 BAB4 A5 61 LDA $61 BAB6 60 RTS ; add exponents BAB7 A5 69 LDA $69 BAB9 F0 1F BEQ $BADA BABB 18 CLC BABC 65 61 ADC $61 BABE 90 04 BCC $BAC4 BAC0 30 1D BMI $BADF BAC2 18 CLC BAC3 .BY $2C BAC4 10 14 BPL $BADA BAC6 69 80 ADC #$80 BAC8 85 61 STA $61 BACA D0 03 BNE $BACF BACC 4C FB B8 JMP $B8FB BACF A5 6F LDA $6F BAD1 85 66 STA $66 BAD3 60 RTS BAD4 A5 66 LDA $66 BAD6 49 FF EOR #$FF BAD8 30 05 BMI $BADF BADA 68 PLA BADB 68 PLA BADC 4C F7 B8 JMP $B8F7 BADF 4C 7E B9 JMP $B97E ; multiply float accu by 10 BAE2 20 0C BC JSR $BC0C BAE5 AA TAX BAE6 F0 10 BEQ $BAF8 BAE8 18 CLC BAE9 69 02 ADC #$02 BAEB B0 F2 BCS $BADF BAED A2 00 LDX #$00 BAEF 86 6F STX $6F BAF1 20 77 B8 JSR $B877 BAF4 E6 61 INC $61 BAF6 F0 E7 BEQ $BADF BAF8 60 RTS ; constant 10 for division BAF9 .BY $84,$20,$00,$00,$00 ; divide float by 10 BAFE 20 0C BC JSR $BC0C BB01 A9 F9 LDA #$F9 ; low BAF9 BB03 A0 BA LDY #$BA ; high BAF9 BB05 A2 00 LDX #$00 BB07 86 6F STX $6F BB09 20 A2 BB JSR $BBA2 BB0C 4C 12 BB JMP $BB12 ; divide number indexed by AY by float accu BB0F 20 8C BA JSR $BA8C ; divide operator BB12 F0 76 BEQ $BB8A BB14 20 1B BC JSR $BC1B BB17 A9 00 LDA #$00 BB19 38 SEC BB1A E5 61 SBC $61 BB1C 85 61 STA $61 BB1E 20 B7 BA JSR $BAB7 BB21 E6 61 INC $61 BB23 F0 BA BEQ $BADF BB25 A2 FC LDX #$FC BB27 A9 01 LDA #$01 BB29 A4 6A LDY $6A BB2B C4 62 CPY $62 BB2D D0 10 BNE $BB3F BB2F A4 6B LDY $6B BB31 C4 63 CPY $63 BB33 D0 0A BNE $BB3F BB35 A4 6C LDY $6C BB37 C4 64 CPY $64 BB39 D0 04 BNE $BB3F BB3B A4 6D LDY $6D BB3D C4 65 CPY $65 BB3F 08 PHP BB40 2A ROL BB41 90 09 BCC $BB4C BB43 E8 INX BB44 95 29 STA $29,X BB46 F0 32 BEQ $BB7A BB48 10 34 BPL $BB7E BB4A A9 01 LDA #$01 BB4C 28 PLP BB4D B0 0E BCS $BB5D BB4F 06 6D ASL $6D BB51 26 6C ROL $6C BB53 26 6B ROL $6B BB55 26 6A ROL $6A BB57 B0 E6 BCS $BB3F BB59 30 CE BMI $BB29 BB5B 10 E2 BPL $BB3F BB5D A8 TAY BB5E A5 6D LDA $6D BB60 E5 65 SBC $65 BB62 85 6D STA $6D BB64 A5 6C LDA $6C BB66 E5 64 SBC $64 BB68 85 6C STA $6C BB6A A5 6B LDA $6B BB6C E5 63 SBC $63 BB6E 85 6B STA $6B BB70 A5 6A LDA $6A BB72 E5 62 SBC $62 BB74 85 6A STA $6A BB76 98 TYA BB77 4C 4F BB JMP $BB4F BB7A A9 40 LDA #$40 BB7C D0 CE BNE $BB4C BB7E 0A ASL BB7F 0A ASL BB80 0A ASL BB81 0A ASL BB82 0A ASL BB83 0A ASL BB84 85 70 STA $70 BB86 28 PLP BB87 4C 8F BB JMP $BB8F BB8A A2 14 LDX #$14 ; error number BB8C 4C 37 A4 JMP $A437 BB8F A5 26 LDA $26 BB91 85 62 STA $62 BB93 A5 27 LDA $27 BB95 85 63 STA $63 BB97 A5 28 LDA $28 BB99 85 64 STA $64 BB9B A5 29 LDA $29 BB9D 85 65 STA $65 BB9F 4C D7 B8 JMP $B8D7 BBA2 85 22 STA $22 BBA4 84 23 STY $23 BBA6 A0 04 LDY #$04 BBA8 B1 22 LDA ($22),Y BBAA 85 65 STA $65 BBAC 88 DEY BBAD B1 22 LDA ($22),Y BBAF 85 64 STA $64 BBB1 88 DEY BBB2 B1 22 LDA ($22),Y BBB4 85 63 STA $63 BBB6 88 DEY BBB7 B1 22 LDA ($22),Y BBB9 85 66 STA $66 BBBB 09 80 ORA #$80 BBBD 85 62 STA $62 BBBF 88 DEY BBC0 B1 22 LDA ($22),Y BBC2 85 61 STA $61 BBC4 84 70 STY $70 BBC6 60 RTS ; store float accu at $5C-$60 BBC7 A2 5C LDX #$5C ; low 005C BBC9 .BY $2C ; store float accu at $57-$5B BBCA A2 57 LDX #$57 ; low 0057 BBCC A0 00 LDY #$00 ; high 0057 BBCE F0 04 BEQ $BBD4 ; store float accu in index at $49/$4A BBD0 A6 49 LDX $49 BBD2 A4 4A LDY $4A ; store float accu in index XY BBD4 20 1B BC JSR $BC1B BBD7 86 22 STX $22 BBD9 84 23 STY $23 BBDB A0 04 LDY #$04 BBDD A5 65 LDA $65 BBDF 91 22 STA ($22),Y BBE1 88 DEY BBE2 A5 64 LDA $64 BBE4 91 22 STA ($22),Y BBE6 88 DEY BBE7 A5 63 LDA $63 BBE9 91 22 STA ($22),Y BBEB 88 DEY BBEC A5 66 LDA $66 BBEE 09 7F ORA #$7F BBF0 25 62 AND $62 BBF2 91 22 STA ($22),Y BBF4 88 DEY BBF5 A5 61 LDA $61 BBF7 91 22 STA ($22),Y BBF9 84 70 STY $70 BBFB 60 RTS ; move second float accu into first BBFC A5 6E LDA $6E BBFE 85 66 STA $66 BC00 A2 05 LDX #$05 BC02 B5 68 LDA $68,X BC04 95 60 STA $60,X BC06 CA DEX BC07 D0 F9 BNE $BC02 BC09 86 70 STX $70 BC0B 60 RTS ; move rounded float accu into second BC0C 20 1B BC JSR $BC1B BC0F A2 06 LDX #$06 BC11 B5 60 LDA $60,X BC13 95 68 STA $68,X BC15 CA DEX BC16 D0 F9 BNE $BC11 BC18 86 70 STX $70 BC1A 60 RTS ; round float accu according to guard bit BC1B A5 61 LDA $61 BC1D F0 FB BEQ $BC1A BC1F 06 70 ASL $70 BC21 90 F7 BCC $BC1A BC23 20 6F B9 JSR $B96F BC26 D0 F2 BNE $BC1A BC28 4C 38 B9 JMP $B938 ; get sign of float accu in A BC2B A5 61 LDA $61 BC2D F0 09 BEQ $BC38 BC2F A5 66 LDA $66 BC31 2A ROL BC32 A9 FF LDA #$FF BC34 B0 02 BCS $BC38 BC36 A9 01 LDA #$01 BC38 60 RTS ; SGN function BC39 20 2B BC JSR $BC2B ; move signed number from A into float accu BC3C 85 62 STA $62 BC3E A9 00 LDA #$00 BC40 85 63 STA $63 BC42 A2 88 LDX #$88 BC44 A5 62 LDA $62 BC46 49 FF EOR #$FF BC48 2A ROL BC49 A9 00 LDA #$00 BC4B 85 65 STA $65 BC4D 85 64 STA $64 BC4F 86 61 STX $61 BC51 85 70 STA $70 BC53 85 66 STA $66 BC55 4C D2 B8 JMP $B8D2 ; ABS function BC58 46 66 LSR $66 BC5A 60 RTS ; compare float accu to float indexed by XY BC5B 85 24 STA $24 BC5D 84 25 STY $25 BC5F A0 00 LDY #$00 BC61 B1 24 LDA ($24),Y BC63 C8 INY BC64 AA TAX BC65 F0 C4 BEQ $BC2B BC67 B1 24 LDA ($24),Y BC69 45 66 EOR $66 BC6B 30 C2 BMI $BC2F BC6D E4 61 CPX $61 BC6F D0 21 BNE $BC92 BC71 B1 24 LDA ($24),Y BC73 09 80 ORA #$80 BC75 C5 62 CMP $62 BC77 D0 19 BNE $BC92 BC79 C8 INY BC7A B1 24 LDA ($24),Y BC7C C5 63 CMP $63 BC7E D0 12 BNE $BC92 BC80 C8 INY BC81 B1 24 LDA ($24),Y BC83 C5 64 CMP $64 BC85 D0 0B BNE $BC92 BC87 C8 INY BC88 A9 7F LDA #$7F BC8A C5 70 CMP $70 BC8C B1 24 LDA ($24),Y BC8E E5 65 SBC $65 BC90 F0 28 BEQ $BCBA BC92 A5 66 LDA $66 BC94 90 02 BCC $BC98 BC96 49 FF EOR #$FF BC98 4C 31 BC JMP $BC31 ; convert float to a 4 byte signed integer BC9B A5 61 LDA $61 BC9D F0 4A BEQ $BCE9 BC9F 38 SEC BCA0 E9 A0 SBC #$A0 BCA2 24 66 BIT $66 BCA4 10 09 BPL $BCAF BCA6 AA TAX BCA7 A9 FF LDA #$FF BCA9 85 68 STA $68 BCAB 20 4D B9 JSR $B94D BCAE 8A TXA BCAF A2 61 LDX #$61 BCB1 C9 F9 CMP #$F9 BCB3 10 06 BPL $BCBB BCB5 20 99 B9 JSR $B999 BCB8 84 68 STY $68 BCBA 60 RTS BCBB A8 TAY BCBC A5 66 LDA $66 BCBE 29 80 AND #$80 BCC0 46 62 LSR $62 BCC2 05 62 ORA $62 BCC4 85 62 STA $62 BCC6 20 B0 B9 JSR $B9B0 BCC9 84 68 STY $68 BCCB 60 RTS ; INT function BCCC A5 61 LDA $61 BCCE C9 A0 CMP #$A0 BCD0 B0 20 BCS $BCF2 BCD2 20 9B BC JSR $BC9B BCD5 84 70 STY $70 BCD7 A5 66 LDA $66 BCD9 84 66 STY $66 BCDB 49 80 EOR #$80 BCDD 2A ROL BCDE A9 A0 LDA #$A0 BCE0 85 61 STA $61 BCE2 A5 65 LDA $65 BCE4 85 07 STA $07 BCE6 4C D2 B8 JMP $B8D2 ; clear float accu BCE9 85 62 STA $62 BCEB 85 63 STA $63 BCED 85 64 STA $64 BCEF 85 65 STA $65 BCF1 A8 TAY BCF2 60 RTS ; convert string to float in float accu BCF3 A0 00 LDY #$00 BCF5 A2 0A LDX #$0A BCF7 94 5D STY $5D,X BCF9 CA DEX BCFA 10 FB BPL $BCF7 BCFC 90 0F BCC $BD0D BCFE C9 2D CMP #$2D ; minus BD00 D0 04 BNE $BD06 BD02 86 67 STX $67 BD04 F0 04 BEQ $BD0A BD06 C9 2B CMP #$2B ; plus BD08 D0 05 BNE $BD0F BD0A 20 73 00 JSR $0073 BD0D 90 5B BCC $BD6A BD0F C9 2E CMP #$2E ; decimal point BD11 F0 2E BEQ $BD41 BD13 C9 45 CMP #$45 ; E BD15 D0 30 BNE $BD47 BD17 20 73 00 JSR $0073 BD1A 90 17 BCC $BD33 BD1C C9 AB CMP #$AB ; minus code BD1E F0 0E BEQ $BD2E BD20 C9 2D CMP #$2D ; minus BD22 F0 0A BEQ $BD2E BD24 C9 AA CMP #$AA ; plus code BD26 F0 08 BEQ $BD30 BD28 C9 2B CMP #$2B ; plus BD2A F0 04 BEQ $BD30 BD2C D0 07 BNE $BD35 BD2E 66 60 ROR $60 BD30 20 73 00 JSR $0073 BD33 90 5C BCC $BD91 BD35 24 60 BIT $60 BD37 10 0E BPL $BD47 BD39 A9 00 LDA #$00 BD3B 38 SEC BD3C E5 5E SBC $5E BD3E 4C 49 BD JMP $BD49 BD41 66 5F ROR $5F BD43 24 5F BIT $5F BD45 50 C3 BVC $BD0A BD47 A5 5E LDA $5E BD49 38 SEC BD4A E5 5D SBC $5D BD4C 85 5E STA $5E BD4E F0 12 BEQ $BD62 BD50 10 09 BPL $BD5B BD52 20 FE BA JSR $BAFE BD55 E6 5E INC $5E BD57 D0 F9 BNE $BD52 BD59 F0 07 BEQ $BD62 BD5B 20 E2 BA JSR $BAE2 BD5E C6 5E DEC $5E BD60 D0 F9 BNE $BD5B BD62 A5 67 LDA $67 BD64 30 01 BMI $BD67 BD66 60 RTS BD67 4C B4 BF JMP $BFB4 BD6A 48 PHA BD6B 24 5F BIT $5F BD6D 10 02 BPL $BD71 BD6F E6 5D INC $5D BD71 20 E2 BA JSR $BAE2 BD74 68 PLA BD75 38 SEC BD76 E9 30 SBC #$30 ; 0 BD78 20 7E BD JSR $BD7E BD7B 4C 0A BD JMP $BD0A ; add signed integer from A to float accu BD7E 48 PHA BD7F 20 0C BC JSR $BC0C BD82 68 PLA BD83 20 3C BC JSR $BC3C BD86 A5 6E LDA $6E BD88 45 66 EOR $66 BD8A 85 6F STA $6F BD8C A6 61 LDX $61 BD8E 4C 6A B8 JMP $B86A ; get exponent of number from string BD91 A5 5E LDA $5E BD93 C9 0A CMP #$0A BD95 90 09 BCC $BDA0 BD97 A9 64 LDA #$64 BD99 24 60 BIT $60 BD9B 30 11 BMI $BDAE BD9D 4C 7E B9 JMP $B97E BDA0 0A ASL BDA1 0A ASL BDA2 18 CLC BDA3 65 5E ADC $5E BDA5 0A ASL BDA6 18 CLC BDA7 A0 00 LDY #$00 BDA9 71 7A ADC ($7A),Y BDAB 38 SEC BDAC E9 30 SBC #$30 ; 0 BDAE 85 5E STA $5E BDB0 4C 30 BD JMP $BD30 ; constants for float to string conversion BDB3 .BY $9B,$3E,$BC,$1F,$FD BDB8 .BY $9E,$6E,$6B,$27,$FD BDBD .BY $9E,$6E,$6B,$28,$00 ; print IN followed by line number BDC2 A9 71 LDA #$71 ; low A371 BDC4 A0 A3 LDY #$A3 ; high A371 BDC6 20 DA BD JSR $BDDA BDC9 A5 3A LDA $3A BDCB A6 39 LDX $39 ; print number from AX BDCD 85 62 STA $62 BDCF 86 63 STX $63 BDD1 A2 90 LDX #$90 BDD3 38 SEC BDD4 20 49 BC JSR $BC49 BDD7 20 DF BD JSR $BDDF BDDA 4C 1E AB JMP $AB1E ; convert number in float accu to string BDDD A0 01 LDY #$01 BDDF A9 20 LDA #$20 BDE1 24 66 BIT $66 BDE3 10 02 BPL $BDE7 BDE5 A9 2D LDA #$2D ; minus BDE7 99 FF 00 STA $00FF,Y BDEA 85 66 STA $66 BDEC 84 71 STY $71 BDEE C8 INY BDEF A9 30 LDA #$30 ; 0 BDF1 A6 61 LDX $61 BDF3 D0 03 BNE $BDF8 BDF5 4C 04 BF JMP $BF04 BDF8 A9 00 LDA #$00 BDFA E0 80 CPX #$80 BDFC F0 02 BEQ $BE00 BDFE B0 09 BCS $BE09 BE00 A9 BD LDA #$BD ; low BDBD BE02 A0 BD LDY #$BD ; high BDBD BE04 20 28 BA JSR $BA28 BE07 A9 F7 LDA #$F7 BE09 85 5D STA $5D BE0B A9 B8 LDA #$B8 ; low BDB8 BE0D A0 BD LDY #$BD ; high BDB8 BE0F 20 5B BC JSR $BC5B BE12 F0 1E BEQ $BE32 BE14 10 12 BPL $BE28 BE16 A9 B3 LDA #$B3 ; low BDB3 BE18 A0 BD LDY #$BD ; high BDB3 BE1A 20 5B BC JSR $BC5B BE1D F0 02 BEQ $BE21 BE1F 10 0E BPL $BE2F BE21 20 E2 BA JSR $BAE2 BE24 C6 5D DEC $5D BE26 D0 EE BNE $BE16 BE28 20 FE BA JSR $BAFE BE2B E6 5D INC $5D BE2D D0 DC BNE $BE0B BE2F 20 49 B8 JSR $B849 BE32 20 9B BC JSR $BC9B BE35 A2 01 LDX #$01 BE37 A5 5D LDA $5D BE39 18 CLC BE3A 69 0A ADC #$0A BE3C 30 09 BMI $BE47 BE3E C9 0B CMP #$0B BE40 B0 06 BCS $BE48 BE42 69 FF ADC #$FF BE44 AA TAX BE45 A9 02 LDA #$02 BE47 38 SEC BE48 E9 02 SBC #$02 BE4A 85 5E STA $5E BE4C 86 5D STX $5D BE4E 8A TXA BE4F F0 02 BEQ $BE53 BE51 10 13 BPL $BE66 BE53 A4 71 LDY $71 BE55 A9 2E LDA #$2E ; decimal point BE57 C8 INY BE58 99 FF 00 STA $00FF,Y BE5B 8A TXA BE5C F0 06 BEQ $BE64 BE5E A9 30 LDA #$30 ; 0 BE60 C8 INY BE61 99 FF 00 STA $00FF,Y BE64 84 71 STY $71 BE66 A0 00 LDY #$00 BE68 A2 80 LDX #$80 BE6A A5 65 LDA $65 BE6C 18 CLC BE6D 79 19 BF ADC $BF19,Y BE70 85 65 STA $65 BE72 A5 64 LDA $64 BE74 79 18 BF ADC $BF18,Y BE77 85 64 STA $64 BE79 A5 63 LDA $63 BE7B 79 17 BF ADC $BF17,Y BE7E 85 63 STA $63 BE80 A5 62 LDA $62 BE82 79 16 BF ADC $BF16,Y BE85 85 62 STA $62 BE87 E8 INX BE88 B0 04 BCS $BE8E BE8A 10 DE BPL $BE6A BE8C 30 02 BMI $BE90 BE8E 30 DA BMI $BE6A BE90 8A TXA BE91 90 04 BCC $BE97 BE93 49 FF EOR #$FF BE95 69 0A ADC #$0A BE97 69 2F ADC #$2F BE99 C8 INY BE9A C8 INY BE9B C8 INY BE9C C8 INY BE9D 84 47 STY $47 BE9F A4 71 LDY $71 BEA1 C8 INY BEA2 AA TAX BEA3 29 7F AND #$7F BEA5 99 FF 00 STA $00FF,Y BEA8 C6 5D DEC $5D BEAA D0 06 BNE $BEB2 BEAC A9 2E LDA #$2E BEAE C8 INY BEAF 99 FF 00 STA $00FF,Y BEB2 84 71 STY $71 BEB4 A4 47 LDY $47 BEB6 8A TXA BEB7 49 FF EOR #$FF BEB9 29 80 AND #$80 BEBB AA TAX BEBC C0 24 CPY #$24 BEBE F0 04 BEQ $BEC4 BEC0 C0 3C CPY #$3C BEC2 D0 A6 BNE $BE6A BEC4 A4 71 LDY $71 BEC6 B9 FF 00 LDA $00FF,Y BEC9 88 DEY BECA C9 30 CMP #$30 ; 0 BECC F0 F8 BEQ $BEC6 BECE C9 2E CMP #$2E ; decimal point BED0 F0 01 BEQ $BED3 BED2 C8 INY BED3 A9 2B LDA #$2B ; plus BED5 A6 5E LDX $5E BED7 F0 2E BEQ $BF07 BED9 10 08 BPL $BEE3 BEDB A9 00 LDA #$00 BEDD 38 SEC BEDE E5 5E SBC $5E BEE0 AA TAX BEE1 A9 2D LDA #$2D ; minus BEE3 99 01 01 STA $0101,Y BEE6 A9 45 LDA #$45 BEE8 99 00 01 STA $0100,Y BEEB 8A TXA BEEC A2 2F LDX #$2F BEEE 38 SEC BEEF E8 INX BEF0 E9 0A SBC #$0A BEF2 B0 FB BCS $BEEF BEF4 69 3A ADC #$3A BEF6 99 03 01 STA $0103,Y BEF9 8A TXA BEFA 99 02 01 STA $0102,Y BEFD A9 00 LDA #$00 BEFF 99 04 01 STA $0104,Y BF02 F0 08 BEQ $BF0C BF04 99 FF 00 STA $00FF,Y BF07 A9 00 LDA #$00 BF09 99 00 01 STA $0100,Y BF0C A9 00 LDA #$00 ; low 0100 BF0E A0 01 LDY #$01 ; high 0100 BF10 60 RTS ; 0.5 BF11 .BY $80,$00,$00,$00,$00 ; divisors for decimal conversion BF16 .BY $FA,$0A,$1F,$00 BF1A .BY $00,$98,$96,$80 BF1E .BY $FF,$F0,$BD,$C0 BF22 .BY $00,$01,$86,$A0 BF26 .BY $FF,$FF,$D8,$F0 BF2A .BY $00,$00,$03,$E8 BF2E .BY $FF,$FF,$FF,$9C BF32 .BY $00,$00,$00,$0A BF36 .BY $FF,$FF,$FF,$FF ; divisors for time conversion BF3A .BY $FF,$DF,$0A,$80 BF3E .BY $00,$03,$4B,$C0 BF42 .BY $FF,$FF,$73,$60 BF46 .BY $00,$00,$0E,$10 BF4A .BY $FF,$FF,$FD,$A8 BF4E .BY $00,$00,$00,$3C ; unused ; is this some version id? BF52 .BY $EC ; unused BF53 .BY $AA,$AA,$AA,$AA,$AA,$AA,$AA,$AA BF5B .BY $AA,$AA,$AA,$AA,$AA,$AA,$AA,$AA BF63 .BY $AA,$AA,$AA,$AA,$AA,$AA,$AA,$AA BF6B .BY $AA,$AA,$AA,$AA,$AA,$AA ; SQR function BF71 20 0C BC JSR $BC0C BF74 A9 11 LDA #$11 BF76 A0 BF LDY #$BF BF78 20 A2 BB JSR $BBA2 ; power operator BF7B F0 70 BEQ $BFED BF7D A5 69 LDA $69 BF7F D0 03 BNE $BF84 BF81 4C F9 B8 JMP $B8F9 BF84 A2 4E LDX #$4E ; low 004E BF86 A0 00 LDY #$00 ; high 004E BF88 20 D4 BB JSR $BBD4 BF8B A5 6E LDA $6E BF8D 10 0F BPL $BF9E BF8F 20 CC BC JSR $BCCC BF92 A9 4E LDA #$4E ; low 004E BF94 A0 00 LDY #$00 ; high 004E BF96 20 5B BC JSR $BC5B BF99 D0 03 BNE $BF9E BF9B 98 TYA BF9C A4 07 LDY $07 BF9E 20 FE BB JSR $BBFE BFA1 98 TYA BFA2 48 PHA BFA3 20 EA B9 JSR $B9EA BFA6 A9 4E LDA #$4E ; low 004E BFA8 A0 00 LDY #$00 ; high 004E BFAA 20 28 BA JSR $BA28 BFAD 20 ED BF JSR $BFED BFB0 68 PLA BFB1 4A LSR BFB2 90 0A BCC $BFBE ; minus operator BFB4 A5 61 LDA $61 BFB6 F0 06 BEQ $BFBE BFB8 A5 66 LDA $66 BFBA 49 FF EOR #$FF BFBC 85 66 STA $66 BFBE 60 RTS ; floating point constands for EXP ; 1/LOG(2) BFBF .BY $81,$38,$AA,$3B,$29 ; EXP polynomial table BFC4 .BY $07 ; degree 8 BFC5 .BY $71,$34,$58,$3E,$56 BFCA .BY $74,$16,$7E,$B3,$1B BFCF .BY $77,$2F,$EE,$E3,$85 BFD4 .BY $7A,$1D,$84,$1C,$2A BFD9 .BY $7C,$63,$59,$58,$0A BFDE .BY $7E,$75,$FD,$E7,$C6 BFE3 .BY $80,$31,$72,$18,$10 BFE8 .BY $81,$00,$00,$00,$00 ; EXP command BFED A9 BF LDA #$BF BFEF A0 BF LDY #$BF BFF1 20 28 BA JSR $BA28 BFF4 A5 70 LDA $70 BFF6 69 50 ADC #$50 BFF8 90 03 BCC $BFFD BFFA 20 23 BC JSR $BC23 BFFD 4C 00 E0 JMP $E000 Commodore 64 KERNAL ($03) ROM dissasembly Version 1.0 (June 1994) ; continuation of EXP function E000 85 56 STA $56 E002 20 0F BC JSR $BC0F E005 A5 61 LDA $61 E007 C9 88 CMP #$88 E009 90 03 BCC $E00E E00B 20 D4 BA JSR $BAD4 E00E 20 CC BC JSR $BCCC E011 A5 07 LDA $07 E013 18 CLC E014 69 81 ADC #$81 E016 F0 F3 BEQ $E00B E018 38 SEC E019 E9 01 SBC #$01 E01B 48 PHA E01C A2 05 LDX #$05 E01E B5 69 LDA $69,X E020 B4 61 LDY $61,X E022 95 61 STA $61,X E024 94 69 STY $69,X E026 CA DEX E027 10 F5 BPL $E01E E029 A5 56 LDA $56 E02B 85 70 STA $70 E02D 20 53 B8 JSR $B853 E030 20 B4 BF JSR $BFB4 E033 A9 C4 LDA #$C4 E035 A0 BF LDY #$BF E037 20 59 E0 JSR $E059 E03A A9 00 LDA #$00 E03C 85 6F STA $6F E03E 68 PLA E03F 20 B9 BA JSR $BAB9 E042 60 RTS ; compute odd degrees for SIN and ATN E043 85 71 STA $71 E045 84 72 STY $72 E047 20 CA BB JSR $BBCA E04A A9 57 LDA #$57 E04C 20 28 BA JSR $BA28 E04F 20 5D E0 JSR $E05D E052 A9 57 LDA #$57 E054 A0 00 LDY #$00 E056 4C 28 BA JMP $BA28 ; compute polynomials according to table indexed by AY E059 85 71 STA $71 E05B 84 72 STY $72 E05D 20 C7 BB JSR $BBC7 E060 B1 71 LDA ($71),Y E062 85 67 STA $67 E064 A4 71 LDY $71 E066 C8 INY E067 98 TYA E068 D0 02 BNE $E06C E06A E6 72 INC $72 E06C 85 71 STA $71 E06E A4 72 LDY $72 E070 20 28 BA JSR $BA28 E073 A5 71 LDA $71 E075 A4 72 LDY $72 E077 18 CLC E078 69 05 ADC #$05 E07A 90 01 BCC $E07D E07C C8 INY E07D 85 71 STA $71 E07F 84 72 STY $72 E081 20 67 B8 JSR $B867 E084 A9 5C LDA #$5C E086 A0 00 LDY #$00 E088 C6 67 DEC $67 E08A D0 E4 BNE $E070 E08C 60 RTS ; float numbers for RND E08D .BY $98,$35,$44,$7A,$00 E092 .BY $68,$28,$B1,$46,$00 ; RND function E097 20 2B BC JSR $BC2B E09A 30 37 BMI $E0D3 E09C D0 20 BNE $E0BE E09E 20 F3 FF JSR $FFF3 E0A1 86 22 STX $22 E0A3 84 23 STY $23 E0A5 A0 04 LDY #$04 E0A7 B1 22 LDA ($22),Y E0A9 85 62 STA $62 E0AB C8 INY E0AC B1 22 LDA ($22),Y E0AE 85 64 STA $64 E0B0 A0 08 LDY #$08 E0B2 B1 22 LDA ($22),Y E0B4 85 63 STA $63 E0B6 C8 INY E0B7 B1 22 LDA ($22),Y E0B9 85 65 STA $65 E0BB 4C E3 E0 JMP $E0E3 E0BE A9 8B LDA #$8B E0C0 A0 00 LDY #$00 E0C2 20 A2 BB JSR $BBA2 E0C5 A9 8D LDA #$8D E0C7 A0 E0 LDY #$E0 E0C9 20 28 BA JSR $BA28 E0CC A9 92 LDA #$92 E0CE A0 E0 LDY #$E0 E0D0 20 67 B8 JSR $B867 E0D3 A6 65 LDX $65 E0D5 A5 62 LDA $62 E0D7 85 65 STA $65 E0D9 86 62 STX $62 E0DB A6 63 LDX $63 E0DD A5 64 LDA $64 E0DF 85 63 STA $63 E0E1 86 64 STX $64 E0E3 A9 00 LDA #$00 E0E5 85 66 STA $66 E0E7 A5 61 LDA $61 E0E9 85 70 STA $70 E0EB A9 80 LDA #$80 E0ED 85 61 STA $61 E0EF 20 D7 B8 JSR $B8D7 E0F2 A2 8B LDX #$8B E0F4 A0 00 LDY #$00 E0F6 4C D4 BB JMP $BBD4 ; handle errors for direct I/O ; calls from basic E0F9 C9 F0 CMP #$F0 E0FB D0 07 BNE $E104 E0FD 84 38 STY $38 E0FF 86 37 STX $37 E101 4C 63 A6 JMP $A663 E104 AA TAX E105 D0 02 BNE $E109 E107 A2 1E LDX #$1E E109 4C 37 A4 JMP $A437 E10C 20 D2 FF JSR $FFD2 E10F B0 E8 BCS $E0F9 E111 60 RTS E112 20 CF FF JSR $FFCF E115 B0 E2 BCS $E0F9 E117 60 RTS E118 20 AD E4 JSR $E4AD E11B B0 DC BCS $E0F9 E11D 60 RTS E11E 20 C6 FF JSR $FFC6 E121 B0 D6 BCS $E0F9 E123 60 RTS E124 20 E4 FF JSR $FFE4 E127 B0 D0 BCS $E0F9 E129 60 RTS ; SYS command E12A 20 8A AD JSR $AD8A E12D 20 F7 B7 JSR $B7F7 E130 A9 E1 LDA #$E1 ; low E146 E132 48 PHA E133 A9 46 LDA #$46 ; high E146 E135 48 PHA E136 AD 0F 03 LDA $030F E139 48 PHA E13A AD 0C 03 LDA $030C E13D AE 0D 03 LDX $030D E140 AC 0E 03 LDY $030E E143 28 PLP E144 6C 14 00 JMP ($0014) E147 08 PHP E148 8D 0C 03 STA $030C E14B 8E 0D 03 STX $030D E14E 8C 0E 03 STY $030E E151 68 PLA E152 8D 0F 03 STA $030F E155 60 RTS ; SAVE command E156 20 D4 E1 JSR $E1D4 E159 A6 2D LDX $2D E15B A4 2E LDY $2E E15D A9 2B LDA #$2B E15F 20 D8 FF JSR $FFD8 E162 B0 95 BCS $E0F9 E164 60 RTS ; VERIFY command E165 A9 01 LDA #$01 E167 .BY $2C ; LOAD command E168 A9 00 LDA #$00 E16A 85 0A STA $0A E16C 20 D4 E1 JSR $E1D4 E16F A5 0A LDA $0A E171 A6 2B LDX $2B E173 A4 2C LDY $2C E175 20 D5 FF JSR $FFD5 E178 B0 57 BCS $E1D1 E17A A5 0A LDA $0A E17C F0 17 BEQ $E195 E17E A2 1C LDX #$1C E180 20 B7 FF JSR $FFB7 E183 29 10 AND #$10 E185 D0 17 BNE $E19E E187 A5 7A LDA $7A E189 C9 02 CMP #$02 E18B F0 07 BEQ $E194 E18D A9 64 LDA #$64 E18F A0 A3 LDY #$A3 E191 4C 1E AB JMP $AB1E E194 60 RTS E195 20 B7 FF JSR $FFB7 E198 29 BF AND #$BF E19A F0 05 BEQ $E1A1 E19C A2 1D LDX #$1D E19E 4C 37 A4 JMP $A437 E1A1 A5 7B LDA $7B E1A3 C9 02 CMP #$02 E1A5 D0 0E BNE $E1B5 E1A7 86 2D STX $2D E1A9 84 2E STY $2E E1AB A9 76 LDA #$76 E1AD A0 A3 LDY #$A3 E1AF 20 1E AB JSR $AB1E E1B2 4C 2A A5 JMP $A52A E1B5 20 8E A6 JSR $A68E E1B8 20 33 A5 JSR $A533 E1BB 4C 77 A6 JMP $A677 ; OPEN command E1BE 20 19 E2 JSR $E219 E1C1 20 C0 FF JSR $FFC0 E1C4 B0 0B BCS $E1D1 E1C6 60 RTS ; CLOSE command E1C7 20 19 E2 JSR $E219 E1CA A5 49 LDA $49 E1CC 20 C3 FF JSR $FFC3 E1CF 90 C3 BCC $E194 E1D1 4C F9 E0 JMP $E0F9 ; set parameters for load/verify/save E1D4 A9 00 LDA #$00 E1D6 20 BD FF JSR $FFBD E1D9 A2 01 LDX #$01 E1DB A0 00 LDY #$00 E1DD 20 BA FF JSR $FFBA E1E0 20 06 E2 JSR $E206 E1E3 20 57 E2 JSR $E257 E1E6 20 06 E2 JSR $E206 E1E9 20 00 E2 JSR $E200 E1EC A0 00 LDY #$00 E1EE 86 49 STX $49 E1F0 20 BA FF JSR $FFBA E1F3 20 06 E2 JSR $E206 E1F6 20 00 E2 JSR $E200 E1F9 8A TXA E1FA A8 TAY E1FB A6 49 LDX $49 E1FD 4C BA FF JMP $FFBA ; skip comma and get integer in X E200 20 0E E2 JSR $E20E E203 4C 9E B7 JMP $B79E ; get character and check for end of line E206 20 79 00 JSR $0079 E209 D0 02 BNE $E20D E20B 68 PLA E20C 68 PLA E20D 60 RTS ; check for comma and skip it E20E 20 FD AE JSR $AEFD E211 20 79 00 JSR $0079 E214 D0 F7 BNE $E20D E216 4C 08 AF JMP $AF08 ; get open/close parameters E219 A9 00 LDA #$00 E21B 20 BD FF JSR $FFBD E21E 20 11 E2 JSR $E211 E221 20 9E B7 JSR $B79E E224 86 49 STX $49 E226 8A TXA E227 A2 01 LDX #$01 E229 A0 00 LDY #$00 E22B 20 BA FF JSR $FFBA E22E 20 06 E2 JSR $E206 E231 20 00 E2 JSR $E200 E234 86 4A STX $4A E236 A0 00 LDY #$00 E238 A5 49 LDA $49 E23A E0 03 CPX #$03 E23C 90 01 BCC $E23F E23E 88 DEY E23F 20 BA FF JSR $FFBA E242 20 06 E2 JSR $E206 E245 20 00 E2 JSR $E200 E248 8A TXA E249 A8 TAY E24A A6 4A LDX $4A E24C A5 49 LDA $49 E24E 20 BA FF JSR $FFBA E251 20 06 E2 JSR $E206 E254 20 0E E2 JSR $E20E E257 20 9E AD JSR $AD9E E25A 20 A3 B6 JSR $B6A3 E25D A6 22 LDX $22 E25F A4 23 LDY $23 E261 4C BD FF JMP $FFBD ; COS function E264 A9 E0 LDA #$E0 ; low E2E0 E266 A0 E2 LDY #$E2 ; high E2E0 E268 20 67 B8 JSR $B867 ; SIN function E26B 20 0C BC JSR $BC0C E26E A9 E5 LDA #$E5 ; low E2E5 E270 A0 E2 LDY #$E2 ; high E2E5 E272 A6 6E LDX $6E E274 20 07 BB JSR $BB07 E277 20 0C BC JSR $BC0C E27A 20 CC BC JSR $BCCC E27D A9 00 LDA #$00 E27F 85 6F STA $6F E281 20 53 B8 JSR $B853 E284 A9 EA LDA #$EA ; low E2EA E286 A0 E2 LDY #$E2 ; high E2EA E288 20 50 B8 JSR $B850 E28B A5 66 LDA $66 E28D 48 PHA E28E 10 0D BPL $E29D E290 20 49 B8 JSR $B849 E293 A5 66 LDA $66 E295 30 09 BMI $E2A0 E297 A5 12 LDA $12 E299 49 FF EOR #$FF E29B 85 12 STA $12 E29D 20 B4 BF JSR $BFB4 E2A0 A9 EA LDA #$EA ; low E2EA E2A2 A0 E2 LDY #$E2 ; high E2EA E2A4 20 67 B8 JSR $B867 E2A7 68 PLA E2A8 10 03 BPL $E2AD E2AA 20 B4 BF JSR $BFB4 E2AD A9 EF LDA #$EF E2AF A0 E2 LDY #$E2 E2B1 4C 43 E0 JMP $E043 ; TAN function E2B4 20 CA BB JSR $BBCA E2B7 A9 00 LDA #$00 E2B9 85 12 STA $12 E2BB 20 6B E2 JSR $E26B E2BE A2 4E LDX #$4E ; low 004E E2C0 A0 00 LDY #$00 ; high 004E E2C2 20 F6 E0 JSR $E0F6 E2C5 A9 57 LDA #$57 ; low 005F E2C7 A0 00 LDY #$00 ; high 005F E2C9 20 A2 BB JSR $BBA2 E2CC A9 00 LDA #$00 E2CE 85 66 STA $66 E2D0 A5 12 LDA $12 E2D2 20 DC E2 JSR $E2DC E2D5 A9 4E LDA #$4E ; low 004E E2D7 A0 00 LDY #$00 ; high 004E E2D9 4C 0F BB JMP $BB0F E2DC 48 PHA E2DD 4C 9D E2 JMP $E29D ; float numbers for SIN, COS and TAN ; 0.5 * PI E2E0 .BY $81,$49,$0F,$DA,$A2 ; 2 * PI E2E5 .BY $83,$49,$0F,$DA,$A2 ; 0,25 E2EA .BY $7F,$00,$00,$00,$00 ; polynomial table E2EF .BY $05 ; degree 6 E2F0 .BY $84,$E6,$1A,$2D,$1B E2F5 .BY $86,$28,$07,$FB,$F8 E2FA .BY $87,$99,$68,$89,$01 E2FF .BY $87,$23,$35,$DF,$E1 E304 .BY $86,$A5,$5D,$E7,$28 E309 .BY $83,$49,$0F,$DA,$A2 ; ATN function E30E A5 66 LDA $66 E310 48 PHA E311 10 03 BPL $E316 E313 20 B4 BF JSR $BFB4 E316 A5 61 LDA $61 E318 48 PHA E319 C9 81 CMP #$81 E31B 90 07 BCC $E324 E31D A9 BC LDA #$BC ; low B9BC E31F A0 B9 LDY #$B9 ; high B9BC E321 20 0F BB JSR $BB0F E324 A9 3E LDA #$3E ; low E33E E326 A0 E3 LDY #$E3 ; high E33E E328 20 43 E0 JSR $E043 E32B 68 PLA E32C C9 81 CMP #$81 E32E 90 07 BCC $E337 E330 A9 E0 LDA #$E0 ; low E2E0 E332 A0 E2 LDY #$E2 ; high E2E0 E334 20 50 B8 JSR $B850 E337 68 PLA E338 10 03 BPL $E33D E33A 4C B4 BF JMP $BFB4 E33D 60 RTS ; float numbers for ATN ; polynomial table E33E .BY $0B ; degree 12 E33F .BY $76,$B3,$83,$BD,$D3 E344 .BY $79,$1E,$F4,$A6,$F5 E349 .BY $7B,$83,$FC,$B0,$10 E34E .BY $7C,$0C,$1F,$67,$CA E353 .BY $7C,$DE,$53,$CB,$C1 E358 .BY $7D,$14,$64,$70,$4C E35D .BY $7D,$B7,$EA,$51,$7A E362 .BY $7D,$63,$30,$88,$7E E367 .BY $7E,$92,$44,$99,$3A E36C .BY $7E,$4C,$CC,$91,$C7 E371 .BY $7F,$AA,$AA,$AA,$13 E376 .BY $81,$00,$00,$00,$00 ; warm start entry E37B 20 CC FF JSR $FFCC E37E A9 00 LDA #$00 E380 85 13 STA $13 E382 20 7A A6 JSR $A67A E385 58 CLI E386