ignore speed change if speed is 0

fixes #9
2022-01-17 18:05:29 -05:00 · 2022-01-17 18:05:29 -05:00 · cba4385607
parent ce027d99f6
commit cba4385607
1 changed files with 2 additions and 2 deletions
--- a/src/engine/playback.cpp
+++ b/src/engine/playback.cpp
@ -460,10 +460,10 @@ void DivEngine::processRow(int i, bool afterDelay) {
    // per-system effect
    if (!perSystemEffect(i,effect,effectVal)) switch (effect) {
      case 0x09: // speed 1
-        speed1=effectVal;
+        if (effectVal>0) speed1=effectVal;
        break;
      case 0x0f: // speed 2
-        speed2=effectVal;
+        if (effectVal>0) speed2=effectVal;
        break;
      case 0x0b: // change order
        if (changeOrd<0) {