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Try a modified edge trigger detection for pulse and wave channels

This commit is contained in:
Noah Sweilem 2023-06-11 15:44:28 -07:00
parent 7bdf8dbe47
commit ec9536eede
1 changed files with 6 additions and 2 deletions
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8
Core/apu.c
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@ -726,8 +726,10 @@ void GB_apu_run(GB_gameboy_t *gb, bool force)
gb->apu.pcm_mask[0] &= i == GB_SQUARE_1? 0xF0 : 0x0F;
}
gb->apu.square_channels[i].did_tick = true;
gb->apu.square_channels[i].edge_triggered = true;
update_square_sample(gb, i);
if (gb->apu.square_channels[i].current_sample_index == 0) {
gb->apu.square_channels[i].edge_triggered = true;
}
}
if (cycles_left) {
gb->apu.square_channels[i].sample_countdown -= cycles_left;
@ -747,7 +749,9 @@ void GB_apu_run(GB_gameboy_t *gb, bool force)
gb->io_registers[GB_IO_WAV_START + (gb->apu.wave_channel.current_sample_index >> 1)];
update_wave_sample(gb, cycles - cycles_left);
gb->apu.wave_channel.wave_form_just_read = true;
gb->apu.wave_channel.edge_triggered = true;
if (gb->apu.wave_channel.current_sample_index == 0) {
gb->apu.wave_channel.edge_triggered = true;
}
}
if (cycles_left) {
gb->apu.wave_channel.sample_countdown -= cycles_left;