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C02/include/intrpt.a02
2018-11-07 00:11:09 -05:00

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;Interrupt Vector Manipulation Routines
;Interrupt Vectors
NMILO EQU $FFFA ;Non-Maskable Interrupt
NMIHI EQU $FFFB
RSTLO EQU $FFFC ;Reset
RSTHI EQU $FFFD
IRQLO EQU $FFFE ;Maskable Interrupt
IRQHI EQU $FFFF
;Set Non-Maskable Interrupt Handler
SETNMI: STY NMIHI
STX NMILO
RTS
;Set Reset Handler
SETRST: STY RSTHI
STX RSTLO
RTS
;Set Maskable Interrupt Handler
SETIRQ: STY IRQHI
STX IRQLO
RTS