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 cd331897..d32a163e 100644 --- a/src/i_oplmusic.c +++ b/src/i_oplmusic.c @@ -701,10 +701,15 @@ static unsigned int FrequencyForVoice(opl_voice_t *voice) note = voice->note; - // Apply note offset: + // Apply note offset. + // Don't apply offset if the instrument is a fixed note instrument. gm_voice = &voice->current_instr->voices[voice->current_instr_voice]; - note += (signed short) SHORT(gm_voice->base_note_offset); + + if ((voice->current_instr->flags & GENMIDI_FLAG_FIXED) == 0) + { + note += (signed short) SHORT(gm_voice->base_note_offset); + } // Avoid possible overflow due to base note offset: |