2.1 KiB
Debugging the Chivalry disk
Ascending memory references from $1F76.
Disassembly of routine that is overwriting from $1F76
$73,$74 $77,$78 $5B $5C $5D $62
$1F51: A0 00 LDY #$00 $1F53: B1 73 LDA ($73),Y $1F55: 85 5C STA $5C $1F57: C8 INY $1F58: B1 73 LDA ($73),Y $1F5A: 85 5B STA $5B $1F5C: C8 INY $1F5D: 18 CLC $1F5E: 98 TYA $1F5F: 65 73 ADC $73 $1F61: 85 73 STA $73 $1F63: A9 00 LDA #$00 $1F65: 65 74 ADC $74 $1F67: 85 74 STA $74 $1F69: 20 9C 1D JSR $1D9C $1F6C: A2 00 LDX #$00 $1F6E: A0 00 LDY #$00 $1F70: A5 5C LDA $5C $1F72: 85 5D STA $5D $1F74: B1 73 LDA ($73),Y $1F76: 91 77 STA ($77),Y $1F78: C8 INY $1F79: C6 5D DEC $5D $1F7B: D0 F7 BNE $1F74 $1F7D: 18 CLC $1F7E: 98 TYA $1F7F: 65 73 ADC $73 $1F81: 85 73 STA $73 $1F83: A9 00 LDA #$00 $1F85: 65 74 ADC $74 $1F87: 85 74 STA $74 $1F89: E6 62 INC $62 $1F8B: C6 5B DEC $5B $1F8D: D0 DA BNE $1F69 $1F8F: 60 RTS
Routine it calls: $1D9C
$5E $61 $62 $64 $77 $78
$1D9C: A5 62 LDA $62 $1D9E: AA TAX $1D9F: 0A ASL $1DA0: 0A ASL $1DA1: 29 1C AND #$1C $1DA3: 85 78 STA $78 $1DA5: 8A TXA $1DA6: 6A ROR $1DA7: AA TAX $1DA8: 6A ROR $1DA9: 6A ROR $1DAA: 6A ROR $1DAB: 08 PHP $1DAC: 29 03 AND #$03 $1DAE: 05 78 ORA $78 $1DB0: 05 5E ORA $5E $1DB2: 85 78 STA $78 $1DB4: 8A TXA $1DB5: 29 60 AND #$60 $1DB7: 85 77 STA $77 $1DB9: 6A ROR $1DBA: 28 PLP $1DBB: 6A ROR $1DBC: 29 98 AND #$98 $1DBE: 05 77 ORA $77 $1DC0: 85 77 STA $77 $1DC2: A6 61 LDX $61 $1DC4: BD D2 1D LDA $1DD2,X $1DC7: 18 CLC $1DC8: 65 77 ADC $77 $1DCA: 85 77 STA $77 $1DCC: BD 5E 1E LDA $1E5E,X $1DCF: 85 64 STA $64 $1DD1: 60 RTS