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Interrupt Request: Difference between revisions

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An '''interrupt request''' (IRQ) is an interrupt that can be ignored.
An '''interrupt request''' (IRQ) is an interrupt that can be ignored. It has the lowest priority out of all the interrupts. <sup>[2]</sup>
 
IRQs can go into the [[Control Deck]] through both the [[Cartridge Slot]] and the [[Expansion Port]].
 
The [[S-SMP]] has no hardware interrupt sources, but if it did, [[EI]] and [[DI]] would be useful.
 
=== See Also ===
* [[NMI]]
* [[IRQ Flag]]
* [[SEI]]
* [[CLI]]
* [[BRK]]
 
=== External Links ===
# snes9x implementation of IRQ: https://github.com/snes9xgit/snes9x/blob/master/cpuops.cpp#L2588
# 65c816 datasheet
# https://problemkaputt.de/fullsnes.htm#snesppuinterrupts
 
[[Category:ASM]]
[[Category:Official Jargon]]

Latest revision as of 04:56, 22 July 2024

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.

The S-SMP has no hardware interrupt sources, but if it did, EI and DI would be useful.

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