$EA31/59953: Main IRQ Entry Point EA31: 20 EA FF JSR $FFEA EA34: A5 CC LDA $CC EA36: D0 29 BNE $EA61 EA38: C6 CD DEC $CD EA3A: D0 25 BNE $EA61 EA3C: A9 14 LDA #$14 EA3E: 85 CD STA $CD EA40: A4 D3 LDY $D3 EA42: 46 CF LSR $CF EA44: AE 87 02 LDX $0287 EA47: B1 D1 LDA ($D1),Y EA49: B0 11 BCS $EA5C EA4B: E6 CF INC $CF EA4D: 85 CE STA $CE EA4F: 20 24 EA JSR $EA24 EA52: B1 F3 LDA ($F3),Y EA54: 8D 87 02 STA $0287 EA57: AE 86 02 LDX $0286 EA5A: A5 CE LDA $CE Jump from $EA49: EA5C: 49 80 EOR #$80 EA5E: 20 1C EA JSR $EA1C Jump from $EA36, $EA3A: EA61: A5 01 LDA $01 EA63: 29 10 AND #$10 EA65: F0 0A BEQ $EA71 EA67: A0 00 LDY #$00 EA69: 84 C0 STY $C0 EA6B: A5 01 LDA $01 EA6D: 09 20 ORA #$20 EA6F: D0 08 BNE $EA79 Jump from $EA65: EA71: A5 C0 LDA $C0 EA73: D0 06 BNE $EA7B EA75: A5 01 LDA $01 EA77: 29 1F AND #$1F Jump from $EA6F: EA79: 85 01 STA $01 Jump from $EA73: EA7B: 20 87 EA JSR $EA87 EA7E: AD 0D DC LDA $DC0D Previous Page / Next Page Kernal-Reference: LDA $EA60 : $E3A8