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fix: taud portament not triggering certain behaviour

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minjaesong
2026-05-07 01:16:03 +09:00
parent cc492c4ead
commit 59bbe9e503
1 changed files with 9 additions and 1 deletions
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10
tsvm_core/src/net/torvald/tsvm/peripheral/AudioAdapter.kt
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@@ -1947,11 +1947,19 @@ class AudioAdapter(val vm: VM) : PeriBase(VM.PERITYPE_SOUND) {
// Instrument byte on a porta row reloads the channel's default
// volume even though the sample isn't retriggered. Mirrors schism
// csf_instrument_change (effects.c:1302) which writes
// chan->volume = psmp->volume whenever inst_column is set.
// chan->volume = psmp->volume whenever inst_column is set, and
// (effects.c:1402-1403) which clears CHN_KEYOFF | CHN_NOTEFADE
// so an in-progress fadeout from the prior note does not bleed
// into the porta'd note. fadeoutVolume is reset to unity so a
// volume-column SET on this row is heard at face value rather
// than scaled by the decayed tail.
if (row.instrment != 0) {
voice.instrumentId = row.instrment
voice.channelVolume = 0x3F
voice.rowVolume = 0x3F
voice.keyOff = false
voice.noteFading = false
voice.fadeoutVolume = 1.0
}
} else if ((row.effect == EffectOp.OP_S) && ((row.effectArg ushr 12) and 0xF) == 0xD) {
// Note delay: defer trigger to the requested tick. NNA fires when the