Interrupt Handler dc9c dc9c 86 02 ldaa 0x02 dc9e b7 10 23 staa (0x1023) ; TFLG1 Register dca1 de 23 ldx (0x0023) dca3 08 inx dca4 df 23 stx (0x0023) dca6 de 25 ldx (0x0025) dca8 08 inx dca9 df 25 stx (0x0025) dcab 7c 00 37 inc (0x0037) dcae 26 03 bne [0xDCB3] dcb0 7a 00 37 dec (0x0037) dcb3 de e1 ldx (0x00E1) Branch Target from dcae dcb5 08 inx dcb6 df e1 stx (0x00E1) dcb8 3b rti dcb9 3b rti