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fix(mmc5): align ppu fetch timing and mmc5 irq/frame behavior - #156

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fix/mmc5test-core-20260302
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fix(mmc5): align ppu fetch timing and mmc5 irq/frame behavior#156
mikai233 wants to merge 1 commit into
masterfrom
fix/mmc5test-core-20260302

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@mikai233

@mikai233 mikai233 commented Mar 2, 2026

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Summary

  • align PPU background fetch/shift timing for MMC5-sensitive paths
  • align MMC5 in-frame/scanline/IRQ related behavior with Mesen2 timing expectations
  • update mmc5test_suite baseline flow and keep original suite annotation

Validation

  • cargo fmt
  • cargo test -p nesium-core mmc5test_suite -- --nocapture

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@mikai233
mikai233 force-pushed the fix/mmc5test-core-20260302 branch from 88f92a2 to c457eef Compare March 2, 2026 09:06
@mikai233
mikai233 force-pushed the fix/mmc5test-core-20260302 branch from c457eef to ef66b96 Compare March 2, 2026 09:46
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