diff --git a/desmume/src/frontend/cocoa/ClientDisplayView.cpp b/desmume/src/frontend/cocoa/ClientDisplayView.cpp
index 1a3095421..a7f98548b 100644
--- a/desmume/src/frontend/cocoa/ClientDisplayView.cpp
+++ b/desmume/src/frontend/cocoa/ClientDisplayView.cpp
@@ -91,8 +91,10 @@ void ClientDisplayView::__InstanceInit(const ClientDisplayViewProperties &props)
 	_showCPULoadAverage = false;
 	_showRTC = false;
 	
+	_clientFrameInfo.videoFPS = 0;
+	_ndsFrameInfo.clear();
+	
 	memset(&_emuDisplayInfo, 0, sizeof(_emuDisplayInfo));
-	memset(&_emuFrameInfo, 0, sizeof(_emuFrameInfo));
 	_hudString = "\x01"; // Char value 0x01 will represent the "text box" character, which will always be first in the string.
 	_hudNeedsUpdate = true;
 	_allowViewUpdates = true;
@@ -133,36 +135,36 @@ void ClientDisplayView::_UpdateHUDString()
 	
 	if (this->_showVideoFPS)
 	{
-		ss << "Video FPS: " << this->_emuFrameInfo.videoFPS << "\n";
+		ss << "Video FPS: " << this->_clientFrameInfo.videoFPS << "\n";
 	}
 	
 	if (this->_showRender3DFPS)
 	{
-		ss << "3D Rendering FPS: " << this->_emuFrameInfo.render3DFPS << "\n";
+		ss << "3D Rendering FPS: " << this->_ndsFrameInfo.render3DFPS << "\n";
 	}
 	
 	if (this->_showFrameIndex)
 	{
-		ss << "Frame Index: " << this->_emuFrameInfo.frameIndex << "\n";
+		ss << "Frame Index: " << this->_ndsFrameInfo.frameIndex << "\n";
 	}
 	
 	if (this->_showLagFrameCount)
 	{
-		ss << "Lag Frame Count: " << this->_emuFrameInfo.lagFrameCount << "\n";
+		ss << "Lag Frame Count: " << this->_ndsFrameInfo.lagFrameCount << "\n";
 	}
 	
 	if (this->_showCPULoadAverage)
 	{
 		static char buffer[32];
 		memset(buffer, 0, sizeof(buffer));
-		snprintf(buffer, 25, "CPU Load Avg: %02d%% / %02d%%\n", this->_emuFrameInfo.cpuLoadAvgARM9, this->_emuFrameInfo.cpuLoadAvgARM7);
+		snprintf(buffer, 25, "CPU Load Avg: %02d%% / %02d%%\n", this->_ndsFrameInfo.cpuLoadAvgARM9, this->_ndsFrameInfo.cpuLoadAvgARM7);
 		
 		ss << buffer;
 	}
 	
 	if (this->_showRTC)
 	{
-		ss << "RTC: " << this->_emuFrameInfo.rtcString << "\n";
+		ss << "RTC: " << this->_ndsFrameInfo.rtcString << "\n";
 	}
 	
 	this->_hudString = ss.str();
@@ -445,9 +447,11 @@ void ClientDisplayView::CopyHUDFont(const FT_Face &fontFace, const size_t glyphS
 	// Do nothing. This is implementation dependent.
 }
 
-void ClientDisplayView::SetHUDInfo(const NDSFrameInfo &frameInfo)
+void ClientDisplayView::SetHUDInfo(const ClientFrameInfo &clientFrameInfo, const NDSFrameInfo &ndsFrameInfo)
 {
-	this->_emuFrameInfo = frameInfo;
+	this->_clientFrameInfo.videoFPS = clientFrameInfo.videoFPS;
+	this->_ndsFrameInfo.copyFrom(ndsFrameInfo);
+	
 	this->_UpdateHUDString();
 }
 
@@ -756,9 +760,8 @@ void ClientDisplayView::SetEmuDisplayInfo(const NDSDisplayInfo &ndsDisplayInfo)
 	this->_emuDisplayInfo = ndsDisplayInfo;
 }
 
-void ClientDisplayView::HandleEmulatorFrameEndEvent(const NDSFrameInfo &frameInfo)
+void ClientDisplayView::HandleEmulatorFrameEndEvent()
 {
-	this->SetHUDInfo(frameInfo);
 	this->UpdateView();
 }
 
diff --git a/desmume/src/frontend/cocoa/ClientDisplayView.h b/desmume/src/frontend/cocoa/ClientDisplayView.h
index 5ef045e8f..48bfe43f7 100644
--- a/desmume/src/frontend/cocoa/ClientDisplayView.h
+++ b/desmume/src/frontend/cocoa/ClientDisplayView.h
@@ -23,6 +23,8 @@
 #include "../../filter/videofilter.h"
 #include "../../GPU.h"
 
+#include "ClientExecutionControl.h"
+
 #include <ft2build.h>
 #include FT_FREETYPE_H
 
@@ -97,17 +99,11 @@ struct LUTValues
 };
 typedef struct LUTValues LUTValues;
 
-struct NDSFrameInfo
+struct ClientFrameInfo
 {
 	uint32_t videoFPS;
-	uint32_t render3DFPS;
-	uint32_t frameIndex;
-	uint32_t lagFrameCount;
-	uint32_t cpuLoadAvgARM9;
-	uint32_t cpuLoadAvgARM7;
-	char rtcString[25];
 };
-typedef struct NDSFrameInfo NDSFrameInfo;
+typedef struct ClientFrameInfo ClientFrameInfo;
 
 struct ClientDisplayViewProperties
 {
@@ -163,8 +159,10 @@ protected:
 	bool _showCPULoadAverage;
 	bool _showRTC;
 	
+	ClientFrameInfo _clientFrameInfo;
+	NDSFrameInfo _ndsFrameInfo;
+	
 	NDSDisplayInfo _emuDisplayInfo;
-	NDSFrameInfo _emuFrameInfo;
 	std::string _hudString;
 	bool _hudNeedsUpdate;
 	bool _allowViewUpdates;
@@ -237,7 +235,7 @@ public:
 	void SetHUDFontPath(const char *filePath);
 	virtual void LoadHUDFont();
 	virtual void CopyHUDFont(const FT_Face &fontFace, const size_t glyphSize, const size_t glyphTileSize, GlyphInfo *glyphInfo);
-	virtual void SetHUDInfo(const NDSFrameInfo &frameInfo);
+	virtual void SetHUDInfo(const ClientFrameInfo &clientFrameInfo, const NDSFrameInfo &ndsFrameInfo);
 	
 	const std::string& GetHUDString() const;
 	float GetHUDObjectScale() const;
@@ -275,7 +273,7 @@ public:
 	// Emulator interface
 	const NDSDisplayInfo& GetEmuDisplayInfo() const;
 	void SetEmuDisplayInfo(const NDSDisplayInfo &ndsDisplayInfo);
-	virtual void HandleEmulatorFrameEndEvent(const NDSFrameInfo &frameInfo);
+	virtual void HandleEmulatorFrameEndEvent();
 	
 	// Touch screen input handling
 	void GetNDSPoint(const int inputID, const bool isInitialTouchPress,
diff --git a/desmume/src/frontend/cocoa/ClientExecutionControl.cpp b/desmume/src/frontend/cocoa/ClientExecutionControl.cpp
index dbdccea36..6ba59a479 100644
--- a/desmume/src/frontend/cocoa/ClientExecutionControl.cpp
+++ b/desmume/src/frontend/cocoa/ClientExecutionControl.cpp
@@ -19,6 +19,9 @@
 #include <mach/mach_time.h>
 
 #include "NDSSystem.h"
+#include "GPU.h"
+#include "movie.h"
+#include "rtc.h"
 
 #include "ClientExecutionControl.h"
 
@@ -35,40 +38,55 @@ ClientExecutionControl::ClientExecutionControl()
 	_framesToSkip = 0;
 	_prevExecBehavior = ExecutionBehavior_Pause;
 	
-	_settingsPending.cpuEngineID = CPUEmulationEngineID_Interpreter;
-	_settingsPending.JITMaxBlockSize = 12;
-	_settingsPending.filePathARM9BIOS = std::string();
-	_settingsPending.filePathARM7BIOS = std::string();
-	_settingsPending.filePathFirmware = std::string();
+	_settingsPending.cpuEngineID						= CPUEmulationEngineID_Interpreter;
+	_settingsPending.JITMaxBlockSize					= 12;
+	_settingsPending.slot1DeviceType					= NDS_SLOT1_RETAIL_AUTO;
+	_settingsPending.filePathARM9BIOS					= std::string();
+	_settingsPending.filePathARM7BIOS					= std::string();
+	_settingsPending.filePathFirmware					= std::string();
+	_settingsPending.filePathSlot1R4					= std::string();
+	_settingsPending.cpuEmulationEngineName				= "Interpreter";
+	_settingsPending.slot1DeviceName					= "Uninitialized";
 	
-	_settingsPending.enableAdvancedBusLevelTiming = true;
-	_settingsPending.enableRigorous3DRenderingTiming = false;
-	_settingsPending.enableGameSpecificHacks = true;
-	_settingsPending.enableExternalBIOS = false;
-	_settingsPending.enableBIOSInterrupts = false;
-	_settingsPending.enableBIOSPatchDelayLoop = false;
-	_settingsPending.enableExternalFirmware = false;
-	_settingsPending.enableFirmwareBoot = false;
-	_settingsPending.enableDebugConsole = false;
-	_settingsPending.enableEnsataEmulation = false;
+	_settingsPending.enableAdvancedBusLevelTiming		= true;
+	_settingsPending.enableRigorous3DRenderingTiming	= false;
+	_settingsPending.enableGameSpecificHacks			= true;
+	_settingsPending.enableExternalBIOS					= false;
+	_settingsPending.enableBIOSInterrupts				= false;
+	_settingsPending.enableBIOSPatchDelayLoop			= false;
+	_settingsPending.enableExternalFirmware				= false;
+	_settingsPending.enableFirmwareBoot					= false;
+	_settingsPending.enableDebugConsole					= false;
+	_settingsPending.enableEnsataEmulation				= false;
 	
-	_settingsPending.enableExecutionSpeedLimiter = true;
-	_settingsPending.executionSpeed = SPEED_SCALAR_NORMAL;
+	_settingsPending.enableExecutionSpeedLimiter		= true;
+	_settingsPending.executionSpeed						= SPEED_SCALAR_NORMAL;
 	
-	_settingsPending.enableFrameSkip = true;
-	_settingsPending.frameJumpTarget = 0;
+	_settingsPending.enableFrameSkip					= true;
+	_settingsPending.frameJumpTarget					= 0;
 	
-	_settingsPending.execBehavior = ExecutionBehavior_Pause;
-	_settingsPending.jumpBehavior = FrameJumpBehavior_Forward;
+	_settingsPending.execBehavior						= ExecutionBehavior_Pause;
+	_settingsPending.jumpBehavior						= FrameJumpBehavior_Forward;
 	
 	_settingsApplied = _settingsPending;
-	_settingsApplied.filePathARM9BIOS = std::string();
-	_settingsApplied.filePathARM7BIOS = std::string();
-	_settingsApplied.filePathFirmware = std::string();
+	_settingsApplied.filePathARM9BIOS					= _settingsPending.filePathARM9BIOS;
+	_settingsApplied.filePathARM7BIOS					= _settingsPending.filePathARM7BIOS;
+	_settingsApplied.filePathFirmware					= _settingsPending.filePathFirmware;
+	_settingsApplied.filePathSlot1R4					= _settingsPending.filePathSlot1R4;
+	_settingsApplied.cpuEmulationEngineName				= _settingsPending.cpuEmulationEngineName;
+	_settingsApplied.slot1DeviceName					= _settingsPending.slot1DeviceName;
+	
+	_ndsFrameInfo.clear();
+	_ndsFrameInfo.cpuEmulationEngineName				= _settingsPending.cpuEmulationEngineName;
+	_ndsFrameInfo.slot1DeviceName						= _settingsPending.slot1DeviceName;
+	
+	_cpuEmulationEngineNameOut							= _ndsFrameInfo.cpuEmulationEngineName;
+	_slot1DeviceNameOut									= _ndsFrameInfo.slot1DeviceName;
 	
 	pthread_mutex_init(&_mutexSettingsPendingOnReset, NULL);
 	pthread_mutex_init(&_mutexSettingsPendingOnExecutionLoopStart, NULL);
 	pthread_mutex_init(&_mutexSettingsPendingOnNDSExec, NULL);
+	pthread_mutex_init(&_mutexOutputPostNDSExec, NULL);
 }
 
 ClientExecutionControl::~ClientExecutionControl()
@@ -76,6 +94,7 @@ ClientExecutionControl::~ClientExecutionControl()
 	pthread_mutex_destroy(&this->_mutexSettingsPendingOnReset);
 	pthread_mutex_destroy(&this->_mutexSettingsPendingOnExecutionLoopStart);
 	pthread_mutex_destroy(&this->_mutexSettingsPendingOnNDSExec);
+	pthread_mutex_destroy(&this->_mutexOutputPostNDSExec);
 }
 
 CPUEmulationEngineID ClientExecutionControl::GetCPUEmulationEngineID()
@@ -87,7 +106,16 @@ CPUEmulationEngineID ClientExecutionControl::GetCPUEmulationEngineID()
 	return engineID;
 }
 
-void ClientExecutionControl::SetCPUEmulationEngineID(CPUEmulationEngineID engineID)
+const char* ClientExecutionControl::GetCPUEmulationEngineName()
+{
+	pthread_mutex_lock(&this->_mutexSettingsPendingOnReset);
+	this->_cpuEmulationEngineNameOut = this->_settingsPending.cpuEmulationEngineName;
+	pthread_mutex_unlock(&this->_mutexSettingsPendingOnReset);
+	
+	return this->_cpuEmulationEngineNameOut.c_str();
+}
+
+void ClientExecutionControl::SetCPUEmulationEngineByID(CPUEmulationEngineID engineID)
 {
 #if !defined(__i386__) && !defined(__x86_64__)
 	engineID = CPUEmulationEngine_Interpreter;
@@ -96,6 +124,21 @@ void ClientExecutionControl::SetCPUEmulationEngineID(CPUEmulationEngineID engine
 	pthread_mutex_lock(&this->_mutexSettingsPendingOnReset);
 	this->_settingsPending.cpuEngineID = engineID;
 	
+	switch (engineID)
+	{
+		case CPUEmulationEngineID_Interpreter:
+			this->_settingsPending.cpuEmulationEngineName = "Interpreter";
+			break;
+			
+		case CPUEmulationEngineID_DynamicRecompiler:
+			this->_settingsPending.cpuEmulationEngineName = "Dynamic Recompiler";
+			break;
+			
+		default:
+			this->_settingsPending.cpuEmulationEngineName = "Unknown Engine";
+			break;
+	}
+	
 	this->_newSettingsPendingOnReset = true;
 	pthread_mutex_unlock(&this->_mutexSettingsPendingOnReset);
 }
@@ -127,6 +170,42 @@ void ClientExecutionControl::SetJITMaxBlockSize(uint8_t blockSize)
 	pthread_mutex_unlock(&this->_mutexSettingsPendingOnReset);
 }
 
+NDS_SLOT1_TYPE ClientExecutionControl::GetSlot1DeviceType()
+{
+	pthread_mutex_lock(&this->_mutexSettingsPendingOnReset);
+	const NDS_SLOT1_TYPE type = this->_settingsPending.slot1DeviceType;
+	pthread_mutex_unlock(&this->_mutexSettingsPendingOnReset);
+	
+	return type;
+}
+
+const char* ClientExecutionControl::GetSlot1DeviceName()
+{
+	pthread_mutex_lock(&this->_mutexSettingsPendingOnReset);
+	this->_slot1DeviceNameOut = this->_settingsPending.slot1DeviceName;
+	pthread_mutex_unlock(&this->_mutexSettingsPendingOnReset);
+	
+	return this->_slot1DeviceNameOut.c_str();
+}
+
+void ClientExecutionControl::SetSlot1DeviceByType(NDS_SLOT1_TYPE type)
+{
+	pthread_mutex_lock(&this->_mutexSettingsPendingOnReset);
+	this->_settingsPending.slot1DeviceType = type;
+	
+	if ( (type < 0) || type >= (NDS_SLOT1_COUNT) )
+	{
+		this->_settingsPending.slot1DeviceName = "Uninitialized";
+	}
+	else
+	{
+		this->_settingsPending.slot1DeviceName = slot1_List[type]->info()->name();
+	}
+	
+	this->_newSettingsPendingOnReset = true;
+	pthread_mutex_unlock(&this->_mutexSettingsPendingOnReset);
+}
+
 const char* ClientExecutionControl::GetARM9ImagePath()
 {
 	pthread_mutex_lock(&this->_mutexSettingsPendingOnReset);
@@ -205,6 +284,32 @@ void ClientExecutionControl::SetFirmwareImagePath(const char *filePath)
 	pthread_mutex_unlock(&this->_mutexSettingsPendingOnReset);
 }
 
+const char* ClientExecutionControl::GetSlot1R4Path()
+{
+	pthread_mutex_lock(&this->_mutexSettingsPendingOnReset);
+	const char *filePath = this->_settingsPending.filePathSlot1R4.c_str();
+	pthread_mutex_unlock(&this->_mutexSettingsPendingOnReset);
+	
+	return filePath;
+}
+
+void ClientExecutionControl::SetSlot1R4Path(const char *filePath)
+{
+	pthread_mutex_lock(&this->_mutexSettingsPendingOnReset);
+	
+	if (filePath == NULL)
+	{
+		this->_settingsPending.filePathSlot1R4.clear();
+	}
+	else
+	{
+		this->_settingsPending.filePathSlot1R4 = std::string(filePath);
+	}
+	
+	this->_newSettingsPendingOnReset = true;
+	pthread_mutex_unlock(&this->_mutexSettingsPendingOnReset);
+}
+
 bool ClientExecutionControl::GetEnableAdvancedBusLevelTiming()
 {
 	pthread_mutex_lock(&this->_mutexSettingsPendingOnNDSExec);
@@ -558,12 +663,24 @@ void ClientExecutionControl::ApplySettingsOnReset()
 	
 	if (this->_newSettingsPendingOnReset)
 	{
-		this->_settingsApplied.cpuEngineID			= this->_settingsPending.cpuEngineID;
-		this->_settingsApplied.JITMaxBlockSize		= this->_settingsPending.JITMaxBlockSize;
+		this->_settingsApplied.cpuEngineID				= this->_settingsPending.cpuEngineID;
+		this->_settingsApplied.JITMaxBlockSize			= this->_settingsPending.JITMaxBlockSize;
 		
-		this->_settingsApplied.filePathARM9BIOS		= this->_settingsPending.filePathARM9BIOS;
-		this->_settingsApplied.filePathARM7BIOS		= this->_settingsPending.filePathARM7BIOS;
-		this->_settingsApplied.filePathFirmware		= this->_settingsPending.filePathFirmware;
+		this->_settingsApplied.filePathARM9BIOS			= this->_settingsPending.filePathARM9BIOS;
+		this->_settingsApplied.filePathARM7BIOS			= this->_settingsPending.filePathARM7BIOS;
+		this->_settingsApplied.filePathFirmware			= this->_settingsPending.filePathFirmware;
+		this->_settingsApplied.filePathSlot1R4			= this->_settingsPending.filePathSlot1R4;
+		
+		this->_settingsApplied.cpuEmulationEngineName	= this->_settingsPending.cpuEmulationEngineName;
+		this->_settingsApplied.slot1DeviceName			= this->_settingsPending.slot1DeviceName;
+		this->_ndsFrameInfo.cpuEmulationEngineName		= this->_settingsApplied.cpuEmulationEngineName;
+		this->_ndsFrameInfo.slot1DeviceName				= this->_settingsApplied.slot1DeviceName;
+		
+		const bool didChangeSlot1Type = (this->_settingsApplied.slot1DeviceType != this->_settingsPending.slot1DeviceType);
+		if (didChangeSlot1Type)
+		{
+			this->_settingsApplied.slot1DeviceType	= this->_settingsPending.slot1DeviceType;
+		}
 		
 		this->_newSettingsPendingOnReset = false;
 		pthread_mutex_unlock(&this->_mutexSettingsPendingOnReset);
@@ -597,6 +714,16 @@ void ClientExecutionControl::ApplySettingsOnReset()
 		{
 			strlcpy(CommonSettings.Firmware, this->_settingsApplied.filePathFirmware.c_str(), sizeof(CommonSettings.Firmware));
 		}
+		
+		if (this->_settingsApplied.filePathSlot1R4.length() > 0)
+		{
+			slot1_SetFatDir(this->_settingsApplied.filePathSlot1R4);
+		}
+		
+		if (didChangeSlot1Type)
+		{
+			slot1_Change(this->_settingsApplied.slot1DeviceType);
+		}
 	}
 	else
 	{
@@ -705,6 +832,32 @@ void ClientExecutionControl::ApplySettingsOnNDSExec()
 	}
 }
 
+void ClientExecutionControl::FetchOutputPostNDSExec()
+{
+	pthread_mutex_lock(&this->_mutexOutputPostNDSExec);
+	
+	this->_ndsFrameInfo.frameIndex		= currFrameCounter;
+	this->_ndsFrameInfo.render3DFPS		= GPU->GetFPSRender3D();
+	this->_ndsFrameInfo.lagFrameCount	= TotalLagFrames;
+	
+	if ((this->_ndsFrameInfo.frameIndex & 0xF) == 0xF)
+	{
+		NDS_GetCPULoadAverage(this->_ndsFrameInfo.cpuLoadAvgARM9, this->_ndsFrameInfo.cpuLoadAvgARM7);
+	}
+	
+	char *tempBuffer = (char *)calloc(25, sizeof(char));
+	rtcGetTimeAsString(tempBuffer);
+	this->_ndsFrameInfo.rtcString = tempBuffer;
+	free(tempBuffer);
+		
+	pthread_mutex_unlock(&this->_mutexOutputPostNDSExec);
+}
+
+const NDSFrameInfo& ClientExecutionControl::GetNDSFrameInfo()
+{
+	return this->_ndsFrameInfo;
+}
+
 double ClientExecutionControl::GetFrameTime()
 {
 	return this->_frameTime;
diff --git a/desmume/src/frontend/cocoa/ClientExecutionControl.h b/desmume/src/frontend/cocoa/ClientExecutionControl.h
index 894a6146d..08d905df3 100644
--- a/desmume/src/frontend/cocoa/ClientExecutionControl.h
+++ b/desmume/src/frontend/cocoa/ClientExecutionControl.h
@@ -21,6 +21,9 @@
 #include <pthread.h>
 #include <string>
 
+#include "../../slot1.h"
+#undef BOOL
+
 #define SPEED_SCALAR_QUARTER						0.25	// Speed scalar for quarter execution speed.
 #define SPEED_SCALAR_HALF							0.5		// Speed scalar for half execution speed.
 #define SPEED_SCALAR_THREE_QUARTER					0.75	// Speed scalar for three quarters execution speed.
@@ -61,9 +64,14 @@ typedef struct ClientExecutionControlSettings
 {
 	CPUEmulationEngineID cpuEngineID;
 	uint8_t JITMaxBlockSize;
+	NDS_SLOT1_TYPE slot1DeviceType;
 	std::string filePathARM9BIOS;
 	std::string filePathARM7BIOS;
 	std::string filePathFirmware;
+	std::string filePathSlot1R4;
+	
+	std::string cpuEmulationEngineName;
+	std::string slot1DeviceName;
 	
 	bool enableAdvancedBusLevelTiming;
 	bool enableRigorous3DRenderingTiming;
@@ -89,12 +97,51 @@ typedef struct ClientExecutionControlSettings
 	
 } ClientExecutionControlSettings;
 
+struct NDSFrameInfo
+{
+	std::string cpuEmulationEngineName;
+	std::string slot1DeviceName;
+	std::string rtcString;
+	
+	uint64_t frameIndex;
+	uint32_t render3DFPS;
+	uint32_t lagFrameCount;
+	uint32_t cpuLoadAvgARM9;
+	uint32_t cpuLoadAvgARM7;
+	
+	void clear()
+	{
+		this->cpuEmulationEngineName	= std::string();
+		this->slot1DeviceName			= std::string();
+		this->rtcString					= std::string();
+		this->frameIndex				= 0;
+		this->render3DFPS				= 0;
+		this->lagFrameCount				= 0;
+		this->cpuLoadAvgARM9			= 0;
+		this->cpuLoadAvgARM7			= 0;
+	}
+	
+	void copyFrom(const NDSFrameInfo &fromObject)
+	{
+		this->cpuEmulationEngineName	= fromObject.cpuEmulationEngineName;
+		this->slot1DeviceName			= fromObject.slot1DeviceName;
+		this->rtcString					= fromObject.rtcString;
+		this->frameIndex				= fromObject.frameIndex;
+		this->render3DFPS				= fromObject.render3DFPS;
+		this->lagFrameCount				= fromObject.lagFrameCount;
+		this->cpuLoadAvgARM9			= fromObject.cpuLoadAvgARM9;
+		this->cpuLoadAvgARM7			= fromObject.cpuLoadAvgARM7;
+	}
+};
+
 class ClientExecutionControl
 {
 private:
 	ClientExecutionControlSettings _settingsPending;
 	ClientExecutionControlSettings _settingsApplied;
 	
+	NDSFrameInfo _ndsFrameInfo;
+	
 	bool _newSettingsPendingOnReset;
 	bool _newSettingsPendingOnExecutionLoopStart;
 	bool _newSettingsPendingOnNDSExec;
@@ -105,20 +152,30 @@ private:
 	uint8_t _framesToSkip;
 	ExecutionBehavior _prevExecBehavior;
 	
+	std::string _cpuEmulationEngineNameOut;
+	std::string _slot1DeviceNameOut;
+	std::string _rtcStringOut;
+	
 	pthread_mutex_t _mutexSettingsPendingOnReset;
 	pthread_mutex_t _mutexSettingsPendingOnExecutionLoopStart;
 	pthread_mutex_t _mutexSettingsPendingOnNDSExec;
+	pthread_mutex_t _mutexOutputPostNDSExec;
 	
 public:
 	ClientExecutionControl();
 	~ClientExecutionControl();
 	
 	CPUEmulationEngineID GetCPUEmulationEngineID();
-	void SetCPUEmulationEngineID(CPUEmulationEngineID engineID);
+	const char* GetCPUEmulationEngineName();
+	void SetCPUEmulationEngineByID(CPUEmulationEngineID engineID);
 	
 	uint8_t GetJITMaxBlockSize();
 	void SetJITMaxBlockSize(uint8_t blockSize);
 	
+	NDS_SLOT1_TYPE GetSlot1DeviceType();
+	const char* GetSlot1DeviceName();
+	void SetSlot1DeviceByType(NDS_SLOT1_TYPE type);
+	
 	const char* GetARM9ImagePath();
 	void SetARM9ImagePath(const char *filePath);
 	
@@ -128,6 +185,9 @@ public:
 	const char* GetFirmwareImagePath();
 	void SetFirmwareImagePath(const char *filePath);
 	
+	const char* GetSlot1R4Path();
+	void SetSlot1R4Path(const char *filePath);
+	
 	bool GetEnableAdvancedBusLevelTiming();
 	void SetEnableAdvancedBusLevelTiming(bool enable);
 	
@@ -191,6 +251,9 @@ public:
 	void ApplySettingsOnExecutionLoopStart();
 	void ApplySettingsOnNDSExec();
 	
+	void FetchOutputPostNDSExec();
+	const NDSFrameInfo& GetNDSFrameInfo();
+	
 	double GetFrameTime();
 	uint8_t CalculateFrameSkip(double startAbsoluteTime, double frameAbsoluteTime);
 	
diff --git a/desmume/src/frontend/cocoa/OGLDisplayOutput.h b/desmume/src/frontend/cocoa/OGLDisplayOutput.h
index b9438a78b..291e60c55 100644
--- a/desmume/src/frontend/cocoa/OGLDisplayOutput.h
+++ b/desmume/src/frontend/cocoa/OGLDisplayOutput.h
@@ -37,7 +37,6 @@
 
 
 class OGLVideoOutput;
-struct NDSFrameInfo;
 
 enum ShaderSupportTier
 {
diff --git a/desmume/src/frontend/cocoa/cocoa_core.h b/desmume/src/frontend/cocoa/cocoa_core.h
index d7fae3e61..d7f20007a 100644
--- a/desmume/src/frontend/cocoa/cocoa_core.h
+++ b/desmume/src/frontend/cocoa/cocoa_core.h
@@ -53,8 +53,6 @@ typedef struct
 	pthread_t coreThread;
 	CoreThreadParam threadParam;
 	
-	std::string _slot1R4Path;
-	
 	NSTimer *_fpsTimer;
 	BOOL _isTimerAtSecond;
 	
@@ -67,13 +65,10 @@ typedef struct
 	volatile gdbstub_handle_t gdbStubHandleARM9;
 	volatile gdbstub_handle_t gdbStubHandleARM7;
 	
-	NSInteger slot1DeviceType;
 	NSString *slot1StatusText;
 	NSString *frameStatus;
 	NSString *executionSpeedStatus;
 	
-	NSURL *slot1R4URL;
-	
 	OSSpinLock spinlockCdsController;
 	OSSpinLock spinlockMasterExecute;
 }
@@ -120,7 +115,7 @@ typedef struct
 @property (copy) NSURL *arm9ImageURL;
 @property (copy) NSURL *arm7ImageURL;
 @property (copy) NSURL *firmwareImageURL;
-@property (retain) NSURL *slot1R4URL;
+@property (copy) NSURL *slot1R4URL;
 
 @property (readonly) pthread_rwlock_t *rwlockCoreExecute;
 
@@ -129,7 +124,7 @@ typedef struct
 
 - (void) changeRomSaveType:(NSInteger)saveTypeID;
 - (void) updateExecutionSpeedStatus;
-- (BOOL) applySlot1Device;
+- (void) updateSlot1DeviceStatus;
 
 - (void) restoreCoreState;
 - (void) reset;
diff --git a/desmume/src/frontend/cocoa/cocoa_core.mm b/desmume/src/frontend/cocoa/cocoa_core.mm
index e1c805052..9ab74db30 100644
--- a/desmume/src/frontend/cocoa/cocoa_core.mm
+++ b/desmume/src/frontend/cocoa/cocoa_core.mm
@@ -108,7 +108,7 @@ volatile bool execute = true;
 @dynamic emuFlagEmulateEnsata;
 @dynamic cpuEmulationEngine;
 @dynamic maxJITBlockSize;
-@synthesize slot1DeviceType;
+@dynamic slot1DeviceType;
 @synthesize slot1StatusText;
 @synthesize frameStatus;
 @synthesize executionSpeedStatus;
@@ -116,7 +116,7 @@ volatile bool execute = true;
 @dynamic arm9ImageURL;
 @dynamic arm7ImageURL;
 @dynamic firmwareImageURL;
-@synthesize slot1R4URL;
+@dynamic slot1R4URL;
 
 @dynamic rwlockCoreExecute;
 
@@ -155,15 +155,11 @@ volatile bool execute = true;
 	cdsGPU = [[[[CocoaDSGPU alloc] init] autorelease] retain];
 	cdsOutputList = [[[[NSMutableArray alloc] initWithCapacity:32] autorelease] retain];
 	
-	slot1DeviceType = NDS_SLOT1_RETAIL_AUTO;
 	slot1StatusText = NSSTRING_STATUS_EMULATION_NOT_RUNNING;
 	
 	spinlockMasterExecute = OS_SPINLOCK_INIT;
 	spinlockCdsController = OS_SPINLOCK_INIT;
 	
-	slot1R4URL = nil;
-	_slot1R4Path = "";
-	
 	threadParam.cdsCore = self;
 	
 	pthread_mutex_init(&threadParam.mutexOutputList, NULL);
@@ -531,7 +527,7 @@ volatile bool execute = true;
 
 - (void) setCpuEmulationEngine:(NSInteger)engineID
 {
-	execControl->SetCPUEmulationEngineID((CPUEmulationEngineID)engineID);
+	execControl->SetCPUEmulationEngineByID((CPUEmulationEngineID)engineID);
 }
 
 - (NSInteger) cpuEmulationEngine
@@ -549,6 +545,16 @@ volatile bool execute = true;
 	return (NSInteger)execControl->GetJITMaxBlockSize();
 }
 
+- (void) setSlot1DeviceType:(NSInteger)theType
+{
+	execControl->SetSlot1DeviceByType((NDS_SLOT1_TYPE)theType);
+}
+
+- (NSInteger) slot1DeviceType
+{
+	return (NSInteger)execControl->GetSlot1DeviceType();
+}
+
 - (void) setCoreState:(NSInteger)coreState
 {
 	pthread_mutex_lock(&threadParam.mutexThreadExecute);
@@ -680,6 +686,18 @@ volatile bool execute = true;
 	return [NSURL fileURLWithPath:[NSString stringWithCString:filePath encoding:NSUTF8StringEncoding]];
 }
 
+- (void) setSlot1R4URL:(NSURL *)fileURL
+{
+	const char *filePath = (fileURL != NULL) ? [[fileURL path] cStringUsingEncoding:NSUTF8StringEncoding] : NULL;
+	execControl->SetSlot1R4Path(filePath);
+}
+
+- (NSURL *) slot1R4URL
+{
+	const char *filePath = execControl->GetSlot1R4Path();
+	return [NSURL fileURLWithPath:[NSString stringWithCString:filePath encoding:NSUTF8StringEncoding]];
+}
+
 - (pthread_rwlock_t *) rwlockCoreExecute
 {
 	return &threadParam.rwlockCoreExecute;
@@ -719,19 +737,9 @@ volatile bool execute = true;
 	}
 }
 
-- (BOOL) applySlot1Device
+- (void) updateSlot1DeviceStatus
 {
-	const NSInteger deviceTypeID = [self slot1DeviceType];
-	NSString *r4Path = [[self slot1R4URL] path];
-	
-	pthread_mutex_lock(&threadParam.mutexThreadExecute);
-	
-	_slot1R4Path = (r4Path != nil) ? std::string([r4Path cStringUsingEncoding:NSUTF8StringEncoding]) : "";
-	slot1_SetFatDir(_slot1R4Path);
-	
-	BOOL result = slot1_Change((NDS_SLOT1_TYPE)deviceTypeID);
-	
-	pthread_mutex_unlock(&threadParam.mutexThreadExecute);
+	const NDS_SLOT1_TYPE deviceTypeID = execControl->GetSlot1DeviceType();
 	
 	switch (deviceTypeID)
 	{
@@ -759,8 +767,6 @@ volatile bool execute = true;
 			[self setSlot1StatusText:NSSTRING_STATUS_SLOT1_UNKNOWN_STATE];
 			break;
 	}
-	
-	return result;
 }
 
 - (void) restoreCoreState
@@ -771,13 +777,13 @@ volatile bool execute = true;
 - (void) reset
 {
 	[self setCoreState:ExecutionBehavior_Pause];
-	[self applySlot1Device];
 	
 	pthread_mutex_lock(&threadParam.mutexThreadExecute);
 	execControl->ApplySettingsOnReset();
 	NDS_Reset();
 	pthread_mutex_unlock(&threadParam.mutexThreadExecute);
 	
+	[self updateSlot1DeviceStatus];
 	[self restoreCoreState];
 	[self setMasterExecute:YES];
 	[[self cdsController] reset];
@@ -786,13 +792,6 @@ volatile bool execute = true;
 
 - (void) getTimedEmulatorStatistics:(NSTimer *)timer
 {
-	uint32_t loadAvgARM9;
-	uint32_t loadAvgARM7;
-	
-	pthread_rwlock_rdlock(&threadParam.rwlockCoreExecute);
-	NDS_GetCPULoadAverage(loadAvgARM9, loadAvgARM7);
-	pthread_rwlock_unlock(&threadParam.rwlockCoreExecute);
-	
 	// The timer should fire every 0.5 seconds, so only take the frame
 	// count every other instance the timer fires.
 	_isTimerAtSecond = !_isTimerAtSecond;
@@ -805,8 +804,6 @@ volatile bool execute = true;
 			{
 				[(CocoaDSDisplay *)cdsOutput takeFrameCount];
 			}
-			
-			[(CocoaDSDisplay *)cdsOutput setCPULoadAvgARM9:loadAvgARM9 ARM7:loadAvgARM7];
 		}
 	}
 }
@@ -868,43 +865,12 @@ volatile bool execute = true;
 
 - (NSString *) cpuEmulationEngineString
 {
-	NSString *theString = @"Uninitialized";
-	
-	switch ([self cpuEmulationEngine])
-	{
-		case CPUEmulationEngineID_Interpreter:
-			theString = @"Interpreter";
-			break;
-			
-		case CPUEmulationEngineID_DynamicRecompiler:
-			theString = @"Dynamic Recompiler";
-			break;
-			
-		default:
-			break;
-	}
-	
-	return theString;
+	return [NSString stringWithCString:execControl->GetCPUEmulationEngineName() encoding:NSUTF8StringEncoding];
 }
 
 - (NSString *) slot1DeviceTypeString
 {
-	NSString *theString = @"Uninitialized";
-	
-	pthread_mutex_lock(&threadParam.mutexThreadExecute);
-	
-	if(slot1_device == NULL)
-	{
-		pthread_mutex_unlock(&threadParam.mutexThreadExecute);
-		return theString;
-	}
-	
-	const Slot1Info *info = slot1_device->info();
-	theString = [NSString stringWithCString:info->name() encoding:NSUTF8StringEncoding];
-	
-	pthread_mutex_unlock(&threadParam.mutexThreadExecute);
-	
-	return theString;
+	return [NSString stringWithCString:execControl->GetSlot1DeviceName() encoding:NSUTF8StringEncoding];
 }
 
 - (NSString *) slot2DeviceTypeString
@@ -913,7 +879,7 @@ volatile bool execute = true;
 	
 	pthread_mutex_lock(&threadParam.mutexThreadExecute);
 	
-	if(slot2_device == NULL)
+	if (slot2_device == NULL)
 	{
 		pthread_mutex_unlock(&threadParam.mutexThreadExecute);
 		return theString;
@@ -978,7 +944,8 @@ static void* RunCoreThread(void *arg)
 	CocoaDSCore *cdsCore = (CocoaDSCore *)param->cdsCore;
 	ClientExecutionControl *execControl = [cdsCore execControl];
 	NSMutableArray *cdsOutputList = [cdsCore cdsOutputList];
-	uint64_t frameNum = 0;
+	const NDSFrameInfo &ndsFrameInfo = execControl->GetNDSFrameInfo();
+	
 	double startTime = 0;
 	double frameTime = 0; // The amount of time that is expected for the frame to run.
 	
@@ -1025,7 +992,7 @@ static void* RunCoreThread(void *arg)
 		// Execute the frame and increment the frame counter.
 		pthread_rwlock_wrlock(&param->rwlockCoreExecute);
 		NDS_exec<false>();
-		frameNum = (uint64_t)currFrameCounter;
+		execControl->FetchOutputPostNDSExec();
 		pthread_rwlock_unlock(&param->rwlockCoreExecute);
 		
 		// Check if an internal execution error occurred that halted the emulation.
@@ -1054,6 +1021,11 @@ static void* RunCoreThread(void *arg)
 			{
 				for (CocoaDSOutput *cdsOutput in cdsOutputList)
 				{
+					if ([cdsOutput isKindOfClass:[CocoaDSDisplay class]])
+					{
+						[(CocoaDSDisplay *)cdsOutput setNDSFrameInfo:ndsFrameInfo];
+					}
+					
 					if ( ![cdsOutput isKindOfClass:[CocoaDSDisplay class]] || (framesToSkip == 0) )
 					{
 						[cdsOutput doCoreEmuFrame];
@@ -1115,11 +1087,11 @@ static void* RunCoreThread(void *arg)
 		}
 		else if (behavior == ExecutionBehavior_FrameJump)
 		{
-			if (frameNum == (frameJumpTarget - 1))
+			if (ndsFrameInfo.frameIndex == (frameJumpTarget - 1))
 			{
 				execControl->ResetFramesToSkip();
 			}
-			else if (frameNum >= frameJumpTarget)
+			else if (ndsFrameInfo.frameIndex >= frameJumpTarget)
 			{
 				[cdsCore restoreCoreState];
 			}
diff --git a/desmume/src/frontend/cocoa/cocoa_output.h b/desmume/src/frontend/cocoa/cocoa_output.h
index b528b6536..4a65b4d7a 100644
--- a/desmume/src/frontend/cocoa/cocoa_output.h
+++ b/desmume/src/frontend/cocoa/cocoa_output.h
@@ -22,13 +22,12 @@
 
 #import "cocoa_util.h"
 #include "ClientDisplayView.h"
+#include "ClientExecutionControl.h"
 #undef BOOL
 
 @class NSImage;
 @class NSBitmapImageRep;
 
-struct NDSFrameInfo;
-
 @interface CocoaDSOutput : CocoaDSThread
 {
 	NSMutableDictionary *property;
@@ -105,11 +104,10 @@ struct NDSFrameInfo;
 	uint32_t _currentReceivedFrameIndex;
 	uint32_t _receivedFrameCount;
 	
-	uint32_t _cpuLoadAvgARM9;
-	uint32_t _cpuLoadAvgARM7;
+	NDSFrameInfo _ndsFrameInfo;
 	
 	OSSpinLock spinlockReceivedFrameIndex;
-	OSSpinLock spinlockCPULoadAverage;
+	OSSpinLock spinlockNDSFrameInfo;
 	OSSpinLock spinlockViewProperties;
 }
 
@@ -124,7 +122,7 @@ struct NDSFrameInfo;
 - (void) handleCopyToPasteboard;
 
 - (void) takeFrameCount;
-- (void) setCPULoadAvgARM9:(uint32_t)loadAvgARM9 ARM7:(uint32_t)loadAvgARM7;
+- (void) setNDSFrameInfo:(const NDSFrameInfo &)ndsFrameInfo;
 - (NSImage *) image;
 - (NSBitmapImageRep *) bitmapImageRep;
 
diff --git a/desmume/src/frontend/cocoa/cocoa_output.mm b/desmume/src/frontend/cocoa/cocoa_output.mm
index ee21b2928..648affa24 100644
--- a/desmume/src/frontend/cocoa/cocoa_output.mm
+++ b/desmume/src/frontend/cocoa/cocoa_output.mm
@@ -513,17 +513,15 @@
 	}
 	
 	spinlockReceivedFrameIndex = OS_SPINLOCK_INIT;
-	spinlockCPULoadAverage = OS_SPINLOCK_INIT;
+	spinlockNDSFrameInfo = OS_SPINLOCK_INIT;
 	spinlockViewProperties = OS_SPINLOCK_INIT;
 	
 	_cdv = NULL;
+	_ndsFrameInfo.clear();
 	
 	_receivedFrameIndex = 0;
 	_currentReceivedFrameIndex = 0;
 	_receivedFrameCount = 0;
-	
-	_cpuLoadAvgARM9 = 0;
-	_cpuLoadAvgARM7 = 0;
 		
 	return self;
 }
@@ -645,12 +643,11 @@
 	OSSpinLockUnlock(&spinlockReceivedFrameIndex);
 }
 
-- (void) setCPULoadAvgARM9:(uint32_t)loadAvgARM9 ARM7:(uint32_t)loadAvgARM7
+- (void) setNDSFrameInfo:(const NDSFrameInfo &)ndsFrameInfo
 {
-	OSSpinLockLock(&spinlockCPULoadAverage);
-	_cpuLoadAvgARM9 = loadAvgARM9;
-	_cpuLoadAvgARM7 = loadAvgARM7;
-	OSSpinLockUnlock(&spinlockCPULoadAverage);
+	OSSpinLockLock(&spinlockNDSFrameInfo);
+	_ndsFrameInfo.copyFrom(ndsFrameInfo);
+	OSSpinLockUnlock(&spinlockNDSFrameInfo);
 }
 
 - (NSImage *) image
@@ -1038,23 +1035,16 @@
 {
 	[super handleEmuFrameProcessed];
 	
-	NDSFrameInfo frameInfo;
-	frameInfo.render3DFPS = GPU->GetFPSRender3D();
-	frameInfo.frameIndex = currFrameCounter;
-	frameInfo.lagFrameCount = TotalLagFrames;
-	
 	OSSpinLockLock(&spinlockReceivedFrameIndex);
-	frameInfo.videoFPS = _receivedFrameCount;
+	ClientFrameInfo clientFrameInfo;
+	clientFrameInfo.videoFPS = _receivedFrameCount;
 	OSSpinLockUnlock(&spinlockReceivedFrameIndex);
 	
-	OSSpinLockLock(&spinlockCPULoadAverage);
-	frameInfo.cpuLoadAvgARM9 = _cpuLoadAvgARM9;
-	frameInfo.cpuLoadAvgARM7 = _cpuLoadAvgARM7;
-	OSSpinLockUnlock(&spinlockCPULoadAverage);
+	OSSpinLockLock(&spinlockNDSFrameInfo);
+	_cdv->SetHUDInfo(clientFrameInfo, _ndsFrameInfo);
+	OSSpinLockUnlock(&spinlockNDSFrameInfo);
 	
-	rtcGetTimeAsString(frameInfo.rtcString);
-	
-	_cdv->HandleEmulatorFrameEndEvent(frameInfo);
+	_cdv->HandleEmulatorFrameEndEvent();
 }
 
 - (void) handleReceiveGPUFrame
diff --git a/desmume/src/frontend/cocoa/userinterface/EmuControllerDelegate.mm b/desmume/src/frontend/cocoa/userinterface/EmuControllerDelegate.mm
index 963c5ab59..202565085 100644
--- a/desmume/src/frontend/cocoa/userinterface/EmuControllerDelegate.mm
+++ b/desmume/src/frontend/cocoa/userinterface/EmuControllerDelegate.mm
@@ -1683,7 +1683,7 @@
 	
 	CocoaDSCore *cdsCore = (CocoaDSCore *)[cdsCoreController content];
 	[cdsCore execControl]->ApplySettingsOnReset();
-	[cdsCore applySlot1Device];
+	[cdsCore updateSlot1DeviceStatus];
 	[self writeDefaultsSlot1Settings:nil];
 	
 	CocoaDSRom *newRom = [[CocoaDSRom alloc] init];
diff --git a/desmume/src/slot1.cpp b/desmume/src/slot1.cpp
index 48700be81..30d2be2c2 100644
--- a/desmume/src/slot1.cpp
+++ b/desmume/src/slot1.cpp
@@ -152,17 +152,22 @@ void slot1_Reset()
 
 bool slot1_Change(NDS_SLOT1_TYPE changeToType)
 {
-	if((changeToType == slot1_device_type) || (changeToType == slot1_GetSelectedType()))
-		return FALSE; //nothing to do
-	if (changeToType > NDS_SLOT1_COUNT || changeToType < 0) return FALSE;
-	if(slot1_device != NULL)
+	if ( (changeToType == slot1_device_type) || (changeToType == slot1_GetSelectedType()) )
+		return false; //nothing to do
+	
+	if ( (changeToType >= NDS_SLOT1_COUNT) || (changeToType < 0) )
+		return false;
+	
+	if (slot1_device != NULL)
 		slot1_device->disconnect();
+	
 	slot1_device_type = changeToType;
 	slot1_device = slot1_List[slot1_device_type];
 	printf("Slot 1: %s\n", slot1_device->info()->name());
 	printf("sending eject signal to SLOT-1\n");
 	NDS_TriggerCardEjectIRQ();
 	slot1_device->connect();
+	
 	return true;
 }