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Fix the Preserve Waveforms setting

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This commit is contained in:
Lior Halphon 2022-02-23 20:34:50 +02:00
parent 586459bb74
commit f52152b2c9
1 changed files with 5 additions and 8 deletions
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13
Core/apu.c
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@ -243,25 +243,22 @@ static void render(GB_gameboy_t *gb)
unsigned left_volume = 0;
unsigned right_volume = 0;
unrolled for (unsigned i = GB_N_CHANNELS; i--;) {
if (gb->apu.is_active[i]) {
if (GB_apu_is_DAC_enabled(gb, i)) {
if (mask & 1) {
left_volume += (gb->io_registers[GB_IO_NR50] & 7) * CH_STEP * 0xF;
left_volume += ((gb->io_registers[GB_IO_NR50] & 7) + 1) * CH_STEP * 0xF;
}
if (mask & 0x10) {
right_volume += ((gb->io_registers[GB_IO_NR50] >> 4) & 7) * CH_STEP * 0xF;
right_volume += (((gb->io_registers[GB_IO_NR50] >> 4) & 7) + 1) * CH_STEP * 0xF;
}
}
else {
left_volume += gb->apu_output.current_sample[i].left * CH_STEP;
right_volume += gb->apu_output.current_sample[i].right * CH_STEP;
}
mask >>= 1;
}
gb->apu_output.highpass_diff = (GB_double_sample_t)
{left_volume * (1 - gb->apu_output.highpass_rate) + gb->apu_output.highpass_diff.left * gb->apu_output.highpass_rate,
right_volume * (1 - gb->apu_output.highpass_rate) + gb->apu_output.highpass_diff.right * gb->apu_output.highpass_rate};
case GB_HIGHPASS_MAX:;
case GB_HIGHPASS_MAX:
unreachable();
}
}