diff --git a/src/engine/dispatchContainer.cpp b/src/engine/dispatchContainer.cpp
index ac92b23f..8883243e 100644
--- a/src/engine/dispatchContainer.cpp
+++ b/src/engine/dispatchContainer.cpp
@@ -219,7 +219,7 @@ void DivDispatchContainer::clear() {
   }
 }
 
-void DivDispatchContainer::init(DivSystem sys, DivEngine* eng, int chanCount, double gotRate, const DivConfig& flags) {
+void DivDispatchContainer::init(DivSystem sys, DivEngine* eng, int chanCount, double gotRate, const DivConfig& flags, bool isRender) {
   // quit if we already initialized
   if (dispatch!=NULL) return;
 
@@ -231,33 +231,57 @@ void DivDispatchContainer::init(DivSystem sys, DivEngine* eng, int chanCount, do
       break;
     case DIV_SYSTEM_YM2612:
       dispatch=new DivPlatformGenesis;
-      ((DivPlatformGenesis*)dispatch)->setYMFM(eng->getConfInt("ym2612Core",0));
+      if (isRender) {
+        ((DivPlatformGenesis*)dispatch)->setYMFM(eng->getConfInt("ym2612CoreRender",0));
+      } else {
+        ((DivPlatformGenesis*)dispatch)->setYMFM(eng->getConfInt("ym2612Core",0));
+      }
       ((DivPlatformGenesis*)dispatch)->setSoftPCM(false);
       break;
     case DIV_SYSTEM_YM2612_EXT:
       dispatch=new DivPlatformGenesisExt;
-      ((DivPlatformGenesisExt*)dispatch)->setYMFM(eng->getConfInt("ym2612Core",0));
+      if (isRender) {
+        ((DivPlatformGenesisExt*)dispatch)->setYMFM(eng->getConfInt("ym2612CoreRender",0));
+      } else {
+        ((DivPlatformGenesisExt*)dispatch)->setYMFM(eng->getConfInt("ym2612Core",0));
+      }
       ((DivPlatformGenesisExt*)dispatch)->setSoftPCM(false);
       break;
     case DIV_SYSTEM_YM2612_CSM:
       dispatch=new DivPlatformGenesisExt;
-      ((DivPlatformGenesisExt*)dispatch)->setYMFM(eng->getConfInt("ym2612Core",0));
+      if (isRender) {
+        ((DivPlatformGenesisExt*)dispatch)->setYMFM(eng->getConfInt("ym2612CoreRender",0));
+      } else {
+        ((DivPlatformGenesisExt*)dispatch)->setYMFM(eng->getConfInt("ym2612Core",0));
+      }
       ((DivPlatformGenesisExt*)dispatch)->setSoftPCM(false);
       ((DivPlatformGenesisExt*)dispatch)->setCSMChannel(6);
       break;
     case DIV_SYSTEM_YM2612_DUALPCM:
       dispatch=new DivPlatformGenesis;
-      ((DivPlatformGenesis*)dispatch)->setYMFM(eng->getConfInt("ym2612Core",0));
+      if (isRender) {
+        ((DivPlatformGenesis*)dispatch)->setYMFM(eng->getConfInt("ym2612CoreRender",0));
+      } else {
+        ((DivPlatformGenesis*)dispatch)->setYMFM(eng->getConfInt("ym2612Core",0));
+      }
       ((DivPlatformGenesis*)dispatch)->setSoftPCM(true);
       break;
     case DIV_SYSTEM_YM2612_DUALPCM_EXT:
       dispatch=new DivPlatformGenesisExt;
-      ((DivPlatformGenesisExt*)dispatch)->setYMFM(eng->getConfInt("ym2612Core",0));
+      if (isRender) {
+        ((DivPlatformGenesisExt*)dispatch)->setYMFM(eng->getConfInt("ym2612CoreRender",0));
+      } else {
+        ((DivPlatformGenesisExt*)dispatch)->setYMFM(eng->getConfInt("ym2612Core",0));
+      }
       ((DivPlatformGenesisExt*)dispatch)->setSoftPCM(true);
       break;
     case DIV_SYSTEM_SMS:
       dispatch=new DivPlatformSMS;
-      ((DivPlatformSMS*)dispatch)->setNuked(eng->getConfInt("snCore",0));
+      if (isRender) {
+        ((DivPlatformSMS*)dispatch)->setNuked(eng->getConfInt("snCoreRender",0));
+      } else {
+        ((DivPlatformSMS*)dispatch)->setNuked(eng->getConfInt("snCore",0));
+      }
       break;
     case DIV_SYSTEM_GB:
       dispatch=new DivPlatformGB;
@@ -267,39 +291,71 @@ void DivDispatchContainer::init(DivSystem sys, DivEngine* eng, int chanCount, do
       break;
     case DIV_SYSTEM_NES:
       dispatch=new DivPlatformNES;
-      ((DivPlatformNES*)dispatch)->setNSFPlay(eng->getConfInt("nesCore",0)==1);
+      if (isRender) {
+        ((DivPlatformNES*)dispatch)->setNSFPlay(eng->getConfInt("nesCoreRender",0)==1);
+      } else {
+        ((DivPlatformNES*)dispatch)->setNSFPlay(eng->getConfInt("nesCore",0)==1);
+      }
       break;
     case DIV_SYSTEM_C64_6581:
       dispatch=new DivPlatformC64;
-      ((DivPlatformC64*)dispatch)->setCore(eng->getConfInt("c64Core",0));
+      if (isRender) {
+        ((DivPlatformC64*)dispatch)->setCore(eng->getConfInt("c64CoreRender",0));
+      } else {
+        ((DivPlatformC64*)dispatch)->setCore(eng->getConfInt("c64Core",0));
+      }
       ((DivPlatformC64*)dispatch)->setChipModel(true);
       break;
     case DIV_SYSTEM_C64_8580:
       dispatch=new DivPlatformC64;
-      ((DivPlatformC64*)dispatch)->setCore(eng->getConfInt("c64Core",0));
+      if (isRender) {
+        ((DivPlatformC64*)dispatch)->setCore(eng->getConfInt("c64CoreRender",0));
+      } else {
+        ((DivPlatformC64*)dispatch)->setCore(eng->getConfInt("c64Core",0));
+      }
       ((DivPlatformC64*)dispatch)->setChipModel(false);
       break;
     case DIV_SYSTEM_YM2151:
       dispatch=new DivPlatformArcade;
-      ((DivPlatformArcade*)dispatch)->setYMFM(eng->getConfInt("arcadeCore",0)==0);
+      if (isRender) {
+        ((DivPlatformArcade*)dispatch)->setYMFM(eng->getConfInt("arcadeCoreRender",0)==0);
+      } else {
+        ((DivPlatformArcade*)dispatch)->setYMFM(eng->getConfInt("arcadeCore",0)==0);
+      }
       break;
     case DIV_SYSTEM_YM2610:
     case DIV_SYSTEM_YM2610_FULL:
       dispatch=new DivPlatformYM2610;
-      ((DivPlatformYM2610*)dispatch)->setCombo(eng->getConfInt("opnCore",1)==1);
+      if (isRender) {
+        ((DivPlatformYM2610*)dispatch)->setCombo(eng->getConfInt("opnCoreRender",1)==1);
+      } else {
+        ((DivPlatformYM2610*)dispatch)->setCombo(eng->getConfInt("opnCore",1)==1);
+      }
       break;
     case DIV_SYSTEM_YM2610_EXT:
     case DIV_SYSTEM_YM2610_FULL_EXT:
       dispatch=new DivPlatformYM2610Ext;
-      ((DivPlatformYM2610Ext*)dispatch)->setCombo(eng->getConfInt("opnCore",1)==1);
+      if (isRender) {
+        ((DivPlatformYM2610Ext*)dispatch)->setCombo(eng->getConfInt("opnCoreRender",1)==1);
+      } else {
+        ((DivPlatformYM2610Ext*)dispatch)->setCombo(eng->getConfInt("opnCore",1)==1);
+      }
       break;
     case DIV_SYSTEM_YM2610B:
       dispatch=new DivPlatformYM2610B;
-      ((DivPlatformYM2610B*)dispatch)->setCombo(eng->getConfInt("opnCore",1)==1);
+      if (isRender) {
+        ((DivPlatformYM2610B*)dispatch)->setCombo(eng->getConfInt("opnCoreRender",1)==1);
+      } else {
+        ((DivPlatformYM2610B*)dispatch)->setCombo(eng->getConfInt("opnCore",1)==1);
+      }
       break;
     case DIV_SYSTEM_YM2610B_EXT:
       dispatch=new DivPlatformYM2610BExt;
-      ((DivPlatformYM2610BExt*)dispatch)->setCombo(eng->getConfInt("opnCore",1)==1);
+      if (isRender) {
+        ((DivPlatformYM2610BExt*)dispatch)->setCombo(eng->getConfInt("opnCoreRender",1)==1);
+      } else {
+        ((DivPlatformYM2610BExt*)dispatch)->setCombo(eng->getConfInt("opnCore",1)==1);
+      }
       break;
     case DIV_SYSTEM_AMIGA:
       dispatch=new DivPlatformAmiga;
@@ -312,26 +368,46 @@ void DivDispatchContainer::init(DivSystem sys, DivEngine* eng, int chanCount, do
       break;
     case DIV_SYSTEM_FDS:
       dispatch=new DivPlatformFDS;
-      ((DivPlatformFDS*)dispatch)->setNSFPlay(eng->getConfInt("fdsCore",0)==1);
+      if (isRender) {
+        ((DivPlatformFDS*)dispatch)->setNSFPlay(eng->getConfInt("fdsCoreRender",0)==1);
+      } else {
+        ((DivPlatformFDS*)dispatch)->setNSFPlay(eng->getConfInt("fdsCore",0)==1);
+      }
       break;
     case DIV_SYSTEM_TIA:
       dispatch=new DivPlatformTIA;
       break;
     case DIV_SYSTEM_YM2203:
       dispatch=new DivPlatformYM2203;
-      ((DivPlatformYM2203*)dispatch)->setCombo(eng->getConfInt("opnCore",1)==1);
+      if (isRender) {
+        ((DivPlatformYM2203*)dispatch)->setCombo(eng->getConfInt("opnCoreRender",1)==1);
+      } else {
+        ((DivPlatformYM2203*)dispatch)->setCombo(eng->getConfInt("opnCore",1)==1);
+      }
       break;
     case DIV_SYSTEM_YM2203_EXT:
       dispatch=new DivPlatformYM2203Ext;
-      ((DivPlatformYM2203Ext*)dispatch)->setCombo(eng->getConfInt("opnCore",1)==1);
+      if (isRender) {
+        ((DivPlatformYM2203Ext*)dispatch)->setCombo(eng->getConfInt("opnCoreRender",1)==1);
+      } else {
+        ((DivPlatformYM2203Ext*)dispatch)->setCombo(eng->getConfInt("opnCore",1)==1);
+      }
       break;
     case DIV_SYSTEM_YM2608:
       dispatch=new DivPlatformYM2608;
-      ((DivPlatformYM2608*)dispatch)->setCombo(eng->getConfInt("opnCore",1)==1);
+      if (isRender) {
+        ((DivPlatformYM2608*)dispatch)->setCombo(eng->getConfInt("opnCoreRender",1)==1);
+      } else {
+        ((DivPlatformYM2608*)dispatch)->setCombo(eng->getConfInt("opnCore",1)==1);
+      }
       break;
     case DIV_SYSTEM_YM2608_EXT:
       dispatch=new DivPlatformYM2608Ext;
-      ((DivPlatformYM2608Ext*)dispatch)->setCombo(eng->getConfInt("opnCore",1)==1);
+      if (isRender) {
+        ((DivPlatformYM2608Ext*)dispatch)->setCombo(eng->getConfInt("opnCoreRender",1)==1);
+      } else {
+        ((DivPlatformYM2608Ext*)dispatch)->setCombo(eng->getConfInt("opnCore",1)==1);
+      }
       break;
     case DIV_SYSTEM_OPLL:
     case DIV_SYSTEM_OPLL_DRUMS:
@@ -396,7 +472,11 @@ void DivDispatchContainer::init(DivSystem sys, DivEngine* eng, int chanCount, do
       break;
     case DIV_SYSTEM_POKEY:
       dispatch=new DivPlatformPOKEY;
-      ((DivPlatformPOKEY*)dispatch)->setAltASAP(eng->getConfInt("pokeyCore",1)==1);
+      if (isRender) {
+        ((DivPlatformPOKEY*)dispatch)->setAltASAP(eng->getConfInt("pokeyCoreRender",1)==1);
+      } else {
+        ((DivPlatformPOKEY*)dispatch)->setAltASAP(eng->getConfInt("pokeyCore",1)==1);
+      }
       break;
     case DIV_SYSTEM_QSOUND:
       dispatch=new DivPlatformQSound;
diff --git a/src/engine/engine.cpp b/src/engine/engine.cpp
index 282c450a..6cfd1a5e 100644
--- a/src/engine/engine.cpp
+++ b/src/engine/engine.cpp
@@ -822,22 +822,8 @@ void DivEngine::runExportThread() {
   size_t curFadeOutSample=0;
   bool isFadingOut=false;
 
-  setConf("arcadeCore",getConfInt("arcadeCoreRender",0));
-  setConf("ym2612Core",getConfInt("ym2612CoreRender",0));
-  setConf("snCore",getConfInt("snCoreRender",0));
-  setConf("nesCore",getConfInt("nesCoreRender",0));
-  setConf("fdsCore",getConfInt("fdsCoreRender",0));
-  setConf("c64Core",getConfInt("c64CoreRender",0));
-  setConf("pokeyCore",getConfInt("pokeyCoreRender",0));
-  setConf("opnCore",getConfInt("opnCoreRender",0));
-
-  if (switchMaster(true)) {
-    logI("successfully switched to render cores!");
-  } else {
-    logE("could not switch to render cores!");
-    exporting = false;
-    return;
-  }
+  quitDispatch();
+  initDispatch(true);
 
   switch (exportMode) {
     case DIV_EXPORT_MODE_ONE: {
@@ -1163,21 +1149,8 @@ void DivEngine::runExportThread() {
     }
   }
 
-  setConf("arcadeCore",getConfInt("arcadeCorePlayback",0));
-  setConf("ym2612Core",getConfInt("ym2612CorePlayback",0));
-  setConf("snCore",getConfInt("snCorePlayback",0));
-  setConf("nesCore",getConfInt("nesCorePlayback",0));
-  setConf("fdsCore",getConfInt("fdsCorePlayback",0));
-  setConf("c64Core",getConfInt("c64CorePlayback",0));
-  setConf("pokeyCore",getConfInt("pokeyCorePlayback",0));
-  setConf("opnCore",getConfInt("opnCorePlayback",0));
-
-  if (switchMaster(true)) {
-    logI("successfully switched to playback cores!");
-  } else {
-    logE("could not switch to playback cores!");
-  }
-
+  quitDispatch();
+  initDispatch(false);
   stopExport=false;
 }
 #else
@@ -4600,10 +4573,11 @@ void DivEngine::rescanAudioDevices() {
   }
 }
 
-void DivEngine::initDispatch() {
+void DivEngine::initDispatch(bool isRender) {
   BUSY_BEGIN;
+  if (isRender) logI("render cores set");
   for (int i=0; i<song.systemLen; i++) {
-    disCont[i].init(song.system[i],this,getChannelCount(song.system[i]),got.rate,song.systemFlags[i]);
+    disCont[i].init(song.system[i],this,getChannelCount(song.system[i]),got.rate,song.systemFlags[i],isRender);
     disCont[i].setRates(got.rate);
     disCont[i].setQuality(lowQuality);
   }
diff --git a/src/engine/engine.h b/src/engine/engine.h
index effa0273..d935d79a 100644
--- a/src/engine/engine.h
+++ b/src/engine/engine.h
@@ -201,7 +201,7 @@ struct DivDispatchContainer {
   void flush(size_t count);
   void fillBuf(size_t runtotal, size_t offset, size_t size);
   void clear();
-  void init(DivSystem sys, DivEngine* eng, int chanCount, double gotRate, const DivConfig& flags);
+  void init(DivSystem sys, DivEngine* eng, int chanCount, double gotRate, const DivConfig& flags, bool isRender=false);
   void quit();
   DivDispatchContainer():
     dispatch(NULL),
@@ -1132,7 +1132,7 @@ class DivEngine {
     TAAudioDesc& getAudioDescGot();
 
     // init dispatch
-    void initDispatch();
+    void initDispatch(bool isRender=false);
 
     // quit dispatch
     void quitDispatch();
diff --git a/src/gui/gui.h b/src/gui/gui.h
index f9a6d517..8a3474d0 100644
--- a/src/gui/gui.h
+++ b/src/gui/gui.h
@@ -1419,14 +1419,6 @@ class FurnaceGUI {
     int c64Core;
     int pokeyCore;
     int opnCore;
-    int arcadeCorePlayback;
-    int ym2612CorePlayback;
-    int snCorePlayback;
-    int nesCorePlayback;
-    int fdsCorePlayback;
-    int c64CorePlayback;
-    int pokeyCorePlayback;
-    int opnCorePlayback;
     int arcadeCoreRender;
     int ym2612CoreRender;
     int snCoreRender;
diff --git a/src/gui/settings.cpp b/src/gui/settings.cpp
index ccd79cda..08453988 100644
--- a/src/gui/settings.cpp
+++ b/src/gui/settings.cpp
@@ -1193,7 +1193,7 @@ void FurnaceGUI::drawSettings() {
         ImGui::Text("Arcade/YM2151 core");
         ImGui::SameLine();
         ImGui::PushItemWidth(ImGui::GetContentRegionAvail().x*0.4f);
-        ImGui::Combo("##ArcadeCorePlayback",&settings.arcadeCorePlayback,arcadeCores,2);
+        ImGui::Combo("##ArcadeCore",&settings.arcadeCore,arcadeCores,2);
         ImGui::SameLine();
         ImGui::Combo("##ArcadeCoreRender",&settings.arcadeCoreRender,arcadeCores,2);
         ImGui::PopItemWidth();
@@ -1202,7 +1202,7 @@ void FurnaceGUI::drawSettings() {
         ImGui::Text("Genesis/YM2612 core");
         ImGui::SameLine();
         ImGui::PushItemWidth(ImGui::GetContentRegionAvail().x*0.4f);
-        ImGui::Combo("##YM2612CorePlayback",&settings.ym2612CorePlayback,ym2612Cores,2);
+        ImGui::Combo("##YM2612Core",&settings.ym2612Core,ym2612Cores,2);
         ImGui::SameLine();
         ImGui::Combo("##YM2612CoreRender",&settings.ym2612CoreRender,ym2612Cores,2);
         ImGui::PopItemWidth();
@@ -1211,7 +1211,7 @@ void FurnaceGUI::drawSettings() {
         ImGui::Text("SN76489 core");
         ImGui::SameLine();
         ImGui::PushItemWidth(ImGui::GetContentRegionAvail().x*0.4f);
-        ImGui::Combo("##SNCorePlayback",&settings.snCorePlayback,snCores,2);
+        ImGui::Combo("##SNCore",&settings.snCore,snCores,2);
         ImGui::SameLine();
         ImGui::Combo("##SNCoreRender",&settings.snCoreRender,snCores,2);
         ImGui::PopItemWidth();
@@ -1220,7 +1220,7 @@ void FurnaceGUI::drawSettings() {
         ImGui::Text("NES core");
         ImGui::SameLine();
         ImGui::PushItemWidth(ImGui::GetContentRegionAvail().x*0.4f);
-        ImGui::Combo("##NESCorePlayback",&settings.nesCorePlayback,nesCores,2);
+        ImGui::Combo("##NESCore",&settings.nesCore,nesCores,2);
         ImGui::SameLine();
         ImGui::Combo("##NESCoreRender",&settings.nesCoreRender,nesCores,2);
         ImGui::PopItemWidth();
@@ -1229,7 +1229,7 @@ void FurnaceGUI::drawSettings() {
         ImGui::Text("FDS core");
         ImGui::SameLine();
         ImGui::PushItemWidth(ImGui::GetContentRegionAvail().x*0.4f);
-        ImGui::Combo("##FDSCorePlayback",&settings.fdsCorePlayback,nesCores,2);
+        ImGui::Combo("##FDSCore",&settings.fdsCore,nesCores,2);
         ImGui::SameLine();
         ImGui::Combo("##FDSCoreRender",&settings.fdsCoreRender,nesCores,2);
         ImGui::PopItemWidth();
@@ -1238,7 +1238,7 @@ void FurnaceGUI::drawSettings() {
         ImGui::Text("SID core");
         ImGui::SameLine();
         ImGui::PushItemWidth(ImGui::GetContentRegionAvail().x*0.4f);
-        ImGui::Combo("##C64CorePlayback",&settings.c64CorePlayback,c64Cores,3);
+        ImGui::Combo("##C64Core",&settings.c64Core,c64Cores,3);
         ImGui::SameLine();
         ImGui::Combo("##C64CoreRender",&settings.c64CoreRender,c64Cores,3);
         ImGui::PopItemWidth();
@@ -1247,7 +1247,7 @@ void FurnaceGUI::drawSettings() {
         ImGui::Text("POKEY core");
         ImGui::SameLine();
         ImGui::PushItemWidth(ImGui::GetContentRegionAvail().x*0.4f);
-        ImGui::Combo("##POKEYCorePlayback",&settings.pokeyCorePlayback,pokeyCores,2);
+        ImGui::Combo("##POKEYCore",&settings.pokeyCore,pokeyCores,2);
         ImGui::SameLine();
         ImGui::Combo("##POKEYCoreRender",&settings.pokeyCoreRender,pokeyCores,2);
         ImGui::PopItemWidth();
@@ -1256,7 +1256,7 @@ void FurnaceGUI::drawSettings() {
         ImGui::Text("OPN/OPNA/OPNB cores");
         ImGui::SameLine();
         ImGui::PushItemWidth(ImGui::GetContentRegionAvail().x*0.4f);
-        ImGui::Combo("##OPNCorePlayback",&settings.opnCorePlayback,opnCores,2);
+        ImGui::Combo("##OPNCore",&settings.opnCore,opnCores,2);
         ImGui::SameLine();
         ImGui::Combo("##OPNCoreRender",&settings.opnCoreRender,opnCores,2);
         ImGui::PopItemWidth();
@@ -2962,22 +2962,14 @@ void FurnaceGUI::syncSettings() {
   settings.audioQuality=e->getConfInt("audioQuality",0);
   settings.audioBufSize=e->getConfInt("audioBufSize",1024);
   settings.audioRate=e->getConfInt("audioRate",44100);
-  settings.arcadeCore=settings.arcadeCorePlayback;
-  settings.ym2612Core=settings.ym2612CorePlayback;
-  settings.snCore=settings.snCorePlayback;
-  settings.nesCore=settings.nesCorePlayback;
-  settings.fdsCore=settings.fdsCorePlayback;
-  settings.c64Core=settings.c64CorePlayback;
-  settings.pokeyCore=settings.pokeyCorePlayback;
-  settings.opnCore=settings.opnCorePlayback;
-  settings.arcadeCorePlayback=e->getConfInt("arcadeCorePlayback",0);
-  settings.ym2612CorePlayback=e->getConfInt("ym2612CorePlayback",0);
-  settings.snCorePlayback=e->getConfInt("snCorePlayback",0);
-  settings.nesCorePlayback=e->getConfInt("nesCorePlayback",0);
-  settings.fdsCorePlayback=e->getConfInt("fdsCorePlayback",0);
-  settings.c64CorePlayback=e->getConfInt("c64CorePlayback",0);
-  settings.pokeyCorePlayback=e->getConfInt("pokeyCorePlayback",1);
-  settings.opnCorePlayback=e->getConfInt("opnCorePlayback",1);
+  settings.arcadeCore=e->getConfInt("arcadeCore",0);
+  settings.ym2612Core=e->getConfInt("ym2612Core",0);
+  settings.snCore=e->getConfInt("snCore",0);
+  settings.nesCore=e->getConfInt("nesCore",0);
+  settings.fdsCore=e->getConfInt("fdsCore",0);
+  settings.c64Core=e->getConfInt("c64Core",0);
+  settings.pokeyCore=e->getConfInt("pokeyCore",1);
+  settings.opnCore=e->getConfInt("opnCore",1);
   settings.arcadeCoreRender=e->getConfInt("arcadeCoreRender",0);
   settings.ym2612CoreRender=e->getConfInt("ym2612CoreRender",0);
   settings.snCoreRender=e->getConfInt("snCoreRender",0);
@@ -3146,14 +3138,6 @@ void FurnaceGUI::syncSettings() {
   clampSetting(settings.c64Core,0,2);
   clampSetting(settings.pokeyCore,0,1);
   clampSetting(settings.opnCore,0,1);
-  clampSetting(settings.arcadeCorePlayback,0,1);
-  clampSetting(settings.ym2612CorePlayback,0,1);
-  clampSetting(settings.snCorePlayback,0,1);
-  clampSetting(settings.nesCorePlayback,0,1);
-  clampSetting(settings.fdsCorePlayback,0,1);
-  clampSetting(settings.c64CorePlayback,0,2);
-  clampSetting(settings.pokeyCorePlayback,0,1);
-  clampSetting(settings.opnCorePlayback,0,1);
   clampSetting(settings.arcadeCoreRender,0,1);
   clampSetting(settings.ym2612CoreRender,0,1);
   clampSetting(settings.snCoreRender,0,1);
@@ -3344,14 +3328,14 @@ void FurnaceGUI::commitSettings() {
     settings.mu5Path!=e->getConfString("mu5Path","");
 
   bool coresChanged=(
-    settings.arcadeCorePlayback!=e->getConfInt("arcadeCore",0) ||
-    settings.ym2612CorePlayback!=e->getConfInt("ym2612Core",0) ||
-    settings.snCorePlayback!=e->getConfInt("snCore",0) ||
-    settings.nesCorePlayback!=e->getConfInt("nesCore",0) ||
-    settings.fdsCorePlayback!=e->getConfInt("fdsCore",0) ||
-    settings.c64CorePlayback!=e->getConfInt("c64Core",0) ||
-    settings.pokeyCorePlayback!=e->getConfInt("pokeyCore",1) ||
-    settings.opnCorePlayback!=e->getConfInt("opnCore",1) ||
+    settings.arcadeCore!=e->getConfInt("arcadeCore",0) ||
+    settings.ym2612Core!=e->getConfInt("ym2612Core",0) ||
+    settings.snCore!=e->getConfInt("snCore",0) ||
+    settings.nesCore!=e->getConfInt("nesCore",0) ||
+    settings.fdsCore!=e->getConfInt("fdsCore",0) ||
+    settings.c64Core!=e->getConfInt("c64Core",0) ||
+    settings.pokeyCore!=e->getConfInt("pokeyCore",1) ||
+    settings.opnCore!=e->getConfInt("opnCore",1) ||
     settings.arcadeCoreRender!=e->getConfInt("arcadeCore",0) ||
     settings.ym2612CoreRender!=e->getConfInt("ym2612Core",0) ||
     settings.snCoreRender!=e->getConfInt("snCore",0) ||
@@ -3384,14 +3368,6 @@ void FurnaceGUI::commitSettings() {
   e->setConf("c64Core",settings.c64Core);
   e->setConf("pokeyCore",settings.pokeyCore);
   e->setConf("opnCore",settings.opnCore);
-  e->setConf("arcadeCorePlayback",settings.arcadeCorePlayback);
-  e->setConf("ym2612CorePlayback",settings.ym2612CorePlayback);
-  e->setConf("snCorePlayback",settings.snCorePlayback);
-  e->setConf("nesCorePlayback",settings.nesCorePlayback);
-  e->setConf("fdsCorePlayback",settings.fdsCorePlayback);
-  e->setConf("c64CorePlayback",settings.c64CorePlayback);
-  e->setConf("pokeyCorePlayback",settings.pokeyCorePlayback);
-  e->setConf("opnCorePlayback",settings.opnCorePlayback);
   e->setConf("arcadeCoreRender",settings.arcadeCoreRender);
   e->setConf("ym2612CoreRender",settings.ym2612CoreRender);
   e->setConf("snCoreRender",settings.snCoreRender);