diff options
| -rw-r--r-- | src/i_oplmusic.c | 9 |
1 files changed, 7 insertions, 2 deletions
diff --git a/src/i_oplmusic.c b/src/i_oplmusic.c index 39517e3f..128cff18 100644 --- a/src/i_oplmusic.c +++ b/src/i_oplmusic.c @@ -507,6 +507,7 @@ static void SetVoiceInstrument(opl_voice_t *voice, static void SetVoiceVolume(opl_voice_t *voice, unsigned int volume) { genmidi_voice_t *opl_voice; + unsigned int midi_volume; unsigned int full_volume; unsigned int car_volume; unsigned int mod_volume; @@ -517,7 +518,10 @@ static void SetVoiceVolume(opl_voice_t *voice, unsigned int volume) // Multiply note volume and channel volume to get the actual volume. - full_volume = (volume_mapping_table[voice->note_volume] * (2 * (volume_mapping_table[(voice->channel->volume * current_music_volume) / 127] + 1))) >> 9; + midi_volume = 2 * (volume_mapping_table[(voice->channel->volume + * current_music_volume) / 127] + 1); + + full_volume = (volume_mapping_table[voice->note_volume] * midi_volume) >> 9; // The volume value to use in the register: car_volume = 0x3f - full_volume; @@ -540,7 +544,8 @@ static void SetVoiceVolume(opl_voice_t *voice, unsigned int volume) { mod_volume = car_volume; } - OPL_WriteRegister(OPL_REGS_LEVEL + voice->op1, mod_volume | (opl_voice->modulator.scale & 0xc0)); + OPL_WriteRegister(OPL_REGS_LEVEL + voice->op1, + mod_volume | (opl_voice->modulator.scale & 0xc0)); } } } |