Now this glitch makes more sense

This commit is contained in:
Lior Halphon 2021-10-17 12:52:08 +03:00
parent 7ef198ec50
commit 886363b398
1 changed files with 2 additions and 2 deletions

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@ -1159,10 +1159,10 @@ void GB_apu_write(GB_gameboy_t *gb, uint8_t reg, uint8_t value)
if (gb->apu.is_active[GB_WAVE]) { if (gb->apu.is_active[GB_WAVE]) {
// Todo: I assume this happens on pre-CGB models; test this with an audible test // Todo: I assume this happens on pre-CGB models; test this with an audible test
if (gb->apu.wave_channel.sample_countdown == 0 && gb->model < GB_MODEL_AGB) { if (gb->apu.wave_channel.sample_countdown == 0 && gb->model < GB_MODEL_AGB) {
gb->apu.wave_channel.current_sample_byte = gb->io_registers[GB_IO_WAV_START + 5]; // what the actual fuck? Why specifically this wave address ? gb->apu.wave_channel.current_sample_byte = gb->io_registers[GB_IO_WAV_START + (gb->pc & 0xF)];
} }
else if (gb->apu.wave_channel.wave_form_just_read && gb->model <= GB_MODEL_CGB_C) { else if (gb->apu.wave_channel.wave_form_just_read && gb->model <= GB_MODEL_CGB_C) {
gb->apu.wave_channel.current_sample_byte = gb->io_registers[GB_IO_WAV_START + 0xA]; // what the actual fuck? Why specifically this wave address? gb->apu.wave_channel.current_sample_byte = gb->io_registers[GB_IO_WAV_START + (GB_IO_NR30 & 0xF) ];
} }
} }
gb->apu.is_active[GB_WAVE] = false; gb->apu.is_active[GB_WAVE] = false;