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Interrupt Request

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An interrupt request (IRQ) is an interrupt that can be ignored. It has the lowest priority out of all the interrupts. [2]

IRQs can go into the Control Deck through both the Cartridge Slot and the Expansion Port.

See Also

External Links

  1. snes9x implementation of IRQ: https://github.com/snes9xgit/snes9x/blob/master/cpuops.cpp#L2588
  2. 65c816 datasheet
  3. https://problemkaputt.de/fullsnes.htm#snesppuinterrupts