Respond to MIDI "all notes off" message in MIDI-CV and MIDI-Gate.

src/core/MIDI_CV.cpp

@@ -102,7 +102,6 @@ struct MIDI_CV : Module {
 
 	/** Resets performance state */
 	void panic() {
-		pedal = false;
 		for (int c = 0; c < 16; c++) {
 			notes[c] = 60;
 			gates[c] = false;
@@ -237,6 +236,12 @@ struct MIDI_CV : Module {
 				else
 					releasePedal();
 			} break;
+			// all notes off (panic)
+			case 0x7b: {
+				if (msg.getValue() == 0) {
+					panic();
+				}
+			} break;
 			default: break;
 		}
 	}

src/core/MIDI_Gate.cpp

@@ -93,10 +93,16 @@ struct MIDI_Gate : Module {
 					pressNote(msg.getNote(), msg.getValue());
 				}
 				else {
-					// Many stupid keyboards send a "note on" command with 0 velocity to mean "note release"
+					// I don't know why, but many keyboards send a "note on" command with 0 velocity to mean "note release"
 					releaseNote(msg.getNote());
 				}
 			} break;
+			// all notes off (panic)
+			case 0x7b: {
+				if (msg.getValue() == 0) {
+					panic();
+				}
+			} break;
 			default: break;
 		}
 	}