From 4faa65a2e9773827be2fb326228370f79e341e90 Mon Sep 17 00:00:00 2001
From: tildearrow <tildearrow@protonmail.com>
Date: Sun, 8 May 2022 02:07:58 -0500
Subject: [PATCH] GUI: add an option for it

---
 src/gui/gui.h        | 3 ++-
 src/gui/midiMap.cpp  | 2 ++
 src/gui/settings.cpp | 1 +
 src/gui/sysEx.cpp    | 2 ++
 4 files changed, 7 insertions(+), 1 deletion(-)

diff --git a/src/gui/gui.h b/src/gui/gui.h
index c6e757235..365c15e02 100644
--- a/src/gui/gui.h
+++ b/src/gui/gui.h
@@ -598,7 +598,7 @@ struct MIDIMap {
   int**** map;
   std::vector<MIDIBind> binds;
 
-  bool noteInput, volInput, rawVolume, polyInput, directChannel, programChange, midiClock, midiTimeCode;
+  bool noteInput, volInput, rawVolume, polyInput, directChannel, programChange, midiClock, midiTimeCode, yamahaFMResponse;
   // 0: disabled
   //
   // 1: C- C# D- D# E- F- F# G- G# A- A# B-
@@ -660,6 +660,7 @@ struct MIDIMap {
     programChange(true),
     midiClock(false),
     midiTimeCode(false),
+    yamahaFMResponse(false),
     valueInputStyle(1),
     valueInputControlMSB(0),
     valueInputControlLSB(0),
diff --git a/src/gui/midiMap.cpp b/src/gui/midiMap.cpp
index 568bf16ea..602347107 100644
--- a/src/gui/midiMap.cpp
+++ b/src/gui/midiMap.cpp
@@ -138,6 +138,7 @@ bool MIDIMap::read(String path) {
         UNDERSTAND_OPTION(programChange) else
         UNDERSTAND_OPTION(midiClock) else
         UNDERSTAND_OPTION(midiTimeCode) else
+        UNDERSTAND_OPTION(yamahaFMResponse) else
         UNDERSTAND_OPTION(valueInputStyle) else
         UNDERSTAND_OPTION(valueInputControlMSB) else
         UNDERSTAND_OPTION(valueInputControlLSB) else
@@ -203,6 +204,7 @@ bool MIDIMap::write(String path) {
   WRITE_OPTION(programChange);
   WRITE_OPTION(midiClock);
   WRITE_OPTION(midiTimeCode);
+  WRITE_OPTION(yamahaFMResponse);
   WRITE_OPTION(valueInputStyle);
   WRITE_OPTION(valueInputControlMSB);
   WRITE_OPTION(valueInputControlLSB);
diff --git a/src/gui/settings.cpp b/src/gui/settings.cpp
index 6f0edbeb4..c575f9625 100644
--- a/src/gui/settings.cpp
+++ b/src/gui/settings.cpp
@@ -640,6 +640,7 @@ void FurnaceGUI::drawSettings() {
             //ImGui::Checkbox("Use raw velocity value (don't map from linear to log)",&midiMap.rawVolume);
             //ImGui::Checkbox("Polyphonic/chord input",&midiMap.polyInput);
             ImGui::Checkbox("Map MIDI channels to direct channels",&midiMap.directChannel);
+            ImGui::Checkbox("Map Yamaha FM voice data to instruments",&midiMap.yamahaFMResponse);
             ImGui::Checkbox("Program change is instrument selection",&midiMap.programChange);
             //ImGui::Checkbox("Listen to MIDI clock",&midiMap.midiClock);
             //ImGui::Checkbox("Listen to MIDI time code",&midiMap.midiTimeCode);
diff --git a/src/gui/sysEx.cpp b/src/gui/sysEx.cpp
index 52a9603c5..861cfc779 100644
--- a/src/gui/sysEx.cpp
+++ b/src/gui/sysEx.cpp
@@ -4,6 +4,8 @@
 bool FurnaceGUI::parseSysEx(unsigned char* data, size_t len) {
   SafeReader reader(data,len);
 
+  if (!midiMap.yamahaFMResponse) return true;
+
   try {
     unsigned char isSysEx=reader.readC();
     if (isSysEx!=0xf0) {