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PPU: Glitch on $2000 writes at cycle 257 should only corrupt bit 10 of v (not 10+11)

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Sour 2019-12-25 12:19:16 -05:00
parent 33a5d3b0c9
commit 984ce9bd05
1 changed files with 1 additions and 1 deletions
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Core/PPU.cpp
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@ -511,7 +511,7 @@ void PPU::SetControlRegister(uint8_t value)
uint8_t nameTable = (_state.Control & 0x03); uint8_t nameTable = (_state.Control & 0x03);
uint16_t normalAddr = (_state.TmpVideoRamAddr & ~0x0C00) | (nameTable << 10); uint16_t normalAddr = (_state.TmpVideoRamAddr & ~0x0C00) | (nameTable << 10);
ProcessTmpAddrScrollGlitch(normalAddr, _console->GetMemoryManager()->GetOpenBus() << 10, 0x0C00); ProcessTmpAddrScrollGlitch(normalAddr, _console->GetMemoryManager()->GetOpenBus() << 10, 0x0400);
_flags.VerticalWrite = (_state.Control & 0x04) == 0x04; _flags.VerticalWrite = (_state.Control & 0x04) == 0x04;
_flags.SpritePatternAddr = ((_state.Control & 0x08) == 0x08) ? 0x1000 : 0x0000; _flags.SpritePatternAddr = ((_state.Control & 0x08) == 0x08) ? 0x1000 : 0x0000;