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Timing confirmed and improved

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This commit is contained in:
Lior Halphon 2022-02-04 13:55:06 +02:00
parent 7c5704621a
commit 864f0927be
1 changed files with 1 additions and 1 deletions
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2
Core/memory.c
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@ -1736,11 +1736,11 @@ void GB_hdma_run(GB_gameboy_t *gb)
} }
gb->addr_for_hdma_conflict = 0xFFFF; gb->addr_for_hdma_conflict = 0xFFFF;
uint16_t vram_base = gb->cgb_vram_bank? 0x2000 : 0; uint16_t vram_base = gb->cgb_vram_bank? 0x2000 : 0;
gb->hdma_in_progress = true;
GB_advance_cycles(gb, cycles); GB_advance_cycles(gb, cycles);
while (gb->hdma_on) { while (gb->hdma_on) {
uint8_t byte = gb->hdma_open_bus; uint8_t byte = gb->hdma_open_bus;
gb->addr_for_hdma_conflict = 0xFFFF; gb->addr_for_hdma_conflict = 0xFFFF;
gb->hdma_in_progress = true; // TODO: timing? (affects VRAM reads)
GB_advance_cycles(gb, cycles); GB_advance_cycles(gb, cycles);
if (gb->hdma_current_src < 0x8000 || if (gb->hdma_current_src < 0x8000 ||