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Minor edge case for HDMA instant start

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This commit is contained in:
Lior Halphon 2022-01-30 20:52:34 +02:00
parent 44ee6dc73f
commit dbb14d7040
1 changed files with 1 additions and 1 deletions
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2
Core/memory.c
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@ -1561,7 +1561,7 @@ static void write_high_memory(GB_gameboy_t *gb, uint16_t addr, uint8_t value)
}
gb->hdma_on = (value & 0x80) == 0;
gb->hdma_on_hblank = (value & 0x80) != 0;
if (gb->hdma_on_hblank && (gb->io_registers[GB_IO_STAT] & 3) == 0) {
if (gb->hdma_on_hblank && (gb->io_registers[GB_IO_STAT] & 3) == 0 && gb->display_state != 7) {
gb->hdma_on = true;
}
gb->io_registers[GB_IO_HDMA5] = value;