Empty program: Difference between revisions

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NMI: ;NMI can't happen if the screen is off.
NMI: ;NMI can't happen if the screen is off.


IRQ: ;may need an RTI depending on the mapper. NROM carts can't IRQ anyway.
IRQ: ;this will never occur without a CLI command


.org $FFFA ;all 6502 based hardware uses this section of memory to hold the addresses of interrupt routines
.org $FFFA ;all 6502 based hardware uses this section of memory to hold the addresses of interrupt routines