WaveSynth: fix phase modulation

fixes #481
2022-05-25 00:34:35 -05:00 · 2022-05-25 00:34:35 -05:00 · 93a4e3d688
parent 42a082b2a7
commit 93a4e3d688
1 changed files with 1 additions and 1 deletions
--- a/src/engine/waveSynth.cpp
+++ b/src/engine/waveSynth.cpp
@ -186,7 +186,7 @@ bool DivWaveSynth::tick(bool skipSubDiv) {
        break;
      case DIV_WS_PHASE_MOD:
        for (int i=0; i<=state.speed; i++) {
-          int mod=(wave2[pos]*(state.param2-stage))>>8;
+          int mod=(wave2[pos]*(state.param2-stage))/((height+1)*2);
          output[pos]=wave1[(pos+mod)%width];
          if (++pos>=width) {
            pos=0;