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fix(vm): nans in the Go VM trisaw oscillator when the color was 0

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5684185+vsariola@users.noreply.github.com
2026-01-27 23:10:53 +02:00
parent 86ca3fb300
commit ca4b87d43d
2 changed files with 2 additions and 1 deletions
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1
CHANGELOG.md
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@ -27,6 +27,7 @@ The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/).
roughly to -12 dBFS true peak. ([#211][i211]) roughly to -12 dBFS true peak. ([#211][i211])
### Fixed ### Fixed
- Occasional NaNs in the Trisaw oscillator when the color was 0 in the Go VM.
- The tracker thought that "sync" unit pops the value from stack, even if the VM - The tracker thought that "sync" unit pops the value from stack, even if the VM
did not, resulting it claiming errors in patches that worked once compiled. did not, resulting it claiming errors in patches that worked once compiled.

2
vm/go_synth.go
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@ -500,7 +500,7 @@ func (s *GoSynth) Render(buffer sointu.AudioBuffer, maxtime int) (samples int, r
*statevar -= float32(int(*statevar+1) - 1) *statevar -= float32(int(*statevar+1) - 1)
phase := *statevar phase := *statevar
phase += params[2] phase += params[2]
phase -= float32(int(phase)) phase -= float32(int(phase+1) - 1)
color := params[3] color := params[3]
switch { switch {
case flags&0x40 == 0x40: // Sine case flags&0x40 == 0x40: // Sine