Fix MIDI module learned note/CC bugs

src/core/CV_MIDICC.cpp

@@ -86,6 +86,9 @@ struct CV_MIDICC : Module {
 		midiOutput.setFrame(args.frame);
 
 		for (int id = 0; id < 16; id++) {
+			if (learnedCcs[id] < 0)
+				continue;
+
 			uint8_t value = (uint8_t) clamp(std::round(inputs[CC_INPUTS + id].getVoltage() / 10.f * 127), 0.f, 127.f);
 			midiOutput.setValue(value, learnedCcs[id]);
 		}

src/core/MIDICC_CV.cpp

@@ -50,12 +50,12 @@ struct MIDICC_CV : Module {
 	}
 
 	void onReset() override {
-		for (int8_t cc = 0; cc < 128; cc++) {
+		for (uint8_t cc = 0; cc < 128; cc++) {
 			for (int c = 0; c < 16; c++) {
 				ccValues[cc][c] = 0;
 			}
 		}
-		for (int8_t cc = 0; cc < 32; cc++) {
+		for (uint8_t cc = 0; cc < 32; cc++) {
 			for (int c = 0; c < 16; c++) {
 				msbValues[cc][c] = 0;
 			}
@@ -83,7 +83,11 @@ struct MIDICC_CV : Module {
 				continue;
 			outputs[CC_OUTPUT + id].setChannels(channels);
 
-			int cc = learnedCcs[id];
+			int8_t cc = learnedCcs[id];
+			if (cc < 0) {
+				outputs[CC_OUTPUT + id].clearVoltages();
+				continue;
+			}
 
 			for (int c = 0; c < channels; c++) {
 				int16_t cellValue = int16_t(ccValues[cc][c]) * 128;

src/core/plugin.hpp

@@ -147,7 +147,7 @@ template <class TModule>
 struct NoteChoice : LedDisplayChoice {
 	TModule* module;
 	int id;
-	uint8_t focusNote;
+	int focusNote;
 
 	NoteChoice() {
 		box.size.y = mm2px(6.666);