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by ejelly
Sat Nov 13, 2010 3:34 am
Forum: GBDev
Topic: Interrupt acknowledgement and timings
Replies: 1
Views: 4413

Interrupt acknowledgement and timings

Hi, I'm not sure how the Gameboy CPU handles interrupts exactly yet. Two questions: How many cycles are needed to handle an interrupt? What I mean is, when an interrupt occurs, how many cycles pass between completion of the last instruction and fetching of the interrupt handler's first opcode? Some ...