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More accurate PPU/OAM-DMA conflicts, artifacts in "It Came from Planet Zilog" should match hardware now

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Lior Halphon 2022-06-25 20:08:14 +03:00
parent 6a24598266
commit 52a4c09855
1 changed files with 3 additions and 1 deletions
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4
Core/display.c
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@ -473,7 +473,9 @@ static inline uint8_t oam_read(GB_gameboy_t *gb, uint8_t addr)
if (gb->hdma_in_progress) { if (gb->hdma_in_progress) {
return GB_read_oam(gb, (gb->hdma_current_src & ~1) | (addr & 1)); return GB_read_oam(gb, (gb->hdma_current_src & ~1) | (addr & 1));
} }
return gb->oam[((gb->dma_current_dest - 1 + (gb->halted || gb->stopped)) & ~1) | (addr & 1)]; if (gb->dma_current_dest != 0xA0) {
return gb->oam[(gb->dma_current_dest & ~1) | (addr & 1)];
}
} }
return gb->oam[addr]; return gb->oam[addr];
} }