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Turns out Left/Right audio channels were flipped

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This commit is contained in:
Lior Halphon 2018-07-19 20:38:11 +03:00
parent c66b6fbafc
commit b1cc55b786
1 changed files with 5 additions and 5 deletions
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10
Core/apu.c
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@ -31,13 +31,13 @@ static void update_sample(GB_gameboy_t *gb, unsigned index, int8_t value, unsign
} }
if (gb->apu_output.sample_rate) { if (gb->apu_output.sample_rate) {
unsigned left_volume = 0;
if (gb->io_registers[GB_IO_NR51] & (1 << index)) {
left_volume = (gb->io_registers[GB_IO_NR50] & 7) + 1;
}
unsigned right_volume = 0; unsigned right_volume = 0;
if (gb->io_registers[GB_IO_NR51] & (1 << index)) {
right_volume = (gb->io_registers[GB_IO_NR50] & 7) + 1;
}
unsigned left_volume = 0;
if (gb->io_registers[GB_IO_NR51] & (0x10 << index)) { if (gb->io_registers[GB_IO_NR51] & (0x10 << index)) {
right_volume = ((gb->io_registers[GB_IO_NR50] >> 4) & 7) + 1; left_volume = ((gb->io_registers[GB_IO_NR50] >> 4) & 7) + 1;
} }
GB_sample_t output = {(0xf - value * 2) * left_volume, (0xf - value * 2) * right_volume}; GB_sample_t output = {(0xf - value * 2) * left_volume, (0xf - value * 2) * right_volume};
if (*(uint32_t *)&(gb->apu_output.current_sample[index]) != *(uint32_t *)&output) { if (*(uint32_t *)&(gb->apu_output.current_sample[index]) != *(uint32_t *)&output) {