$D676/54902: Move head by half a track D676: C9 00 CMP #$00 D678: F0 18 BEQ $D692 D67A: 30 0C BMI $D688 D67C: A0 01 LDY #$01 D67E: 20 93 D6 JSR $D693 D681: 38 SEC D682: E9 01 SBC #$01 D684: D0 F6 BNE $D67C D686: F0 0A BEQ $D692 D688: A0 FF LDY #$FF D68A: 20 93 D6 JSR $D693 D68D: 18 CLC D68E: 69 01 ADC #$01 D690: D0 F6 BNE $D688 D692: 60 RTS Previous Page / Next Page