$FA05/64005:   Move head to next track

FA05: A5 4A     LDA $4A
FA07: 10 05     BPL $FA0E
FA09: 49 FF     EOR #$FF
FA0B: 18        CLC
FA0C: 69 01     ADC #$01

Jump from $FA07:

FA0E: C5 64     CMP $64
FA10: B0 0A     BCS $FA1C
FA12: A9 3B     LDA #$3B
FA14: 85 62     STA $62
FA16: A9 FA     LDA #$FA        ; pointer $62/$63 to $FA3B
FA18: 85 63     STA $63
FA1A: D0 12     BNE $FA2E

    Previous Page / Next Page