29febe1c2e8752edb09135fb8703dc06c2c039d6
[ScratchNES.git] / src / CPU / instructions / BRK
1 IMPLIED
2 mapper write (256 + S) (PC + 2)
3 set S to (S - 1) mod 256
4 compute SR
5 mapper write (256 + S) SR
6 set S to (S - 1) mod 256
7 interrupt: vector "0xFFFE"
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