diff --git a/src/debug.cpp b/src/debug.cpp
index 47e873ed..89bcafa8 100644
--- a/src/debug.cpp
+++ b/src/debug.cpp
@@ -421,12 +421,12 @@ int condition(watchpointinfo* wp)
 
 //---------------------
 
-volatile int codecount, datacount, undefinedcount;
-unsigned char *cdloggerdata;
+volatile int codecount = 0, datacount = 0, undefinedcount = 0;
+unsigned char *cdloggerdata = NULL;
 unsigned int cdloggerdataSize = 0;
-static int indirectnext;
+static int indirectnext = 0;
 
-int debug_loggingCD;
+int debug_loggingCD = 0;
 
 //called by the cpu to perform logging if CDLogging is enabled
 void LogCDVectors(int which){
diff --git a/src/drivers/Qt/CodeDataLogger.cpp b/src/drivers/Qt/CodeDataLogger.cpp
index 4ec7a510..55e6a584 100644
--- a/src/drivers/Qt/CodeDataLogger.cpp
+++ b/src/drivers/Qt/CodeDataLogger.cpp
@@ -4,6 +4,14 @@
 #include <QInputDialog>
 #include <QMessageBox>
 
+#include "../../types.h"
+#include "../../fceu.h"
+#include "../../cart.h"
+#include "../../x6502.h"
+#include "../../debug.h"
+#include "../../ppu.h"
+
+#include "Qt/ConsoleUtilities.h"
 #include "Qt/CodeDataLogger.h"
 #include "Qt/main.h"
 #include "Qt/dface.h"
@@ -11,6 +19,12 @@
 #include "Qt/config.h"
 #include "Qt/fceuWrapper.h"
 
+static int  autoSaveCDL = true;
+static int  autoLoadCDL = true;
+static int  autoResumeCDL = false;
+static char loadedcdfile[512] = {0};
+
+static int getDefaultCDLFile( char *filepath );
 //----------------------------------------------------
 CodeDataLoggerDialog_t::CodeDataLoggerDialog_t(QWidget *parent)
 	: QDialog( parent )
@@ -20,7 +34,6 @@ CodeDataLoggerDialog_t::CodeDataLoggerDialog_t(QWidget *parent)
 	QGridLayout *grid;
 	QGroupBox *frame, *subframe;
 	QPushButton *btn;
-	QLabel *lbl;
 
 	updateTimer  = new QTimer( this );
 
@@ -30,27 +43,42 @@ CodeDataLoggerDialog_t::CodeDataLoggerDialog_t(QWidget *parent)
 
 	mainLayout   = new QVBoxLayout();
 	vbox1        = new QVBoxLayout();
+	hbox         = new QHBoxLayout();
 	grid         = new QGridLayout();
-	lbl          = new QLabel( tr("Press Start to Run Logger") );
+	statLabel    = new QLabel( tr(" Logger is Paused: Press Start to Run ") );
 	cdlFileLabel = new QLabel( tr("CDL File:") );
 
 	vbox1->addLayout( grid );
-	vbox1->addWidget( lbl  );
+	vbox1->addLayout( hbox  );
 	vbox1->addWidget( cdlFileLabel );
 
+	hbox->addWidget( statLabel, 0, Qt::AlignHCenter );
+
 	frame = new QGroupBox(tr("Code/Data Log Status"));
 	frame->setLayout( vbox1 );
 
-	prgLoggedCodeLabel = new QLabel( tr("0x00000 0.00%") );
-	prgLoggedDataLabel = new QLabel( tr("0x00000 0.00%") );
-	prgUnloggedLabel   = new QLabel( tr("0x00000 0.00%") );
-	chrLoggedCodeLabel = new QLabel( tr("0x00000 0.00%") );
-	chrLoggedDataLabel = new QLabel( tr("0x00000 0.00%") );
-	chrUnloggedLabel   = new QLabel( tr("0x00000 0.00%") );
+	prgLoggedCodeLabel = new QLabel( tr("0x000000 0.00%") );
+	prgLoggedDataLabel = new QLabel( tr("0x000000 0.00%") );
+	prgUnloggedLabel   = new QLabel( tr("0x000000 0.00%") );
+	chrLoggedCodeLabel = new QLabel( tr("0x000000 0.00%") );
+	chrLoggedDataLabel = new QLabel( tr("0x000000 0.00%") );
+	chrUnloggedLabel   = new QLabel( tr("0x000000 0.00%") );
 	autoSaveCdlCbox    = new QCheckBox( tr("Auto-save .CDL when closing ROMs") );
 	autoLoadCdlCbox    = new QCheckBox( tr("Auto-load .CDL when opening this window") );
 	autoResumeLogCbox  = new QCheckBox( tr("Auto-resume logging when loading ROMs") );
 
+	g_config->getOption("SDL.AutoSaveCDL", &autoSaveCDL);
+	g_config->getOption("SDL.AutoLoadCDL", &autoLoadCDL);
+	g_config->getOption("SDL.AutoResumeCDL", &autoResumeCDL);
+
+	autoSaveCdlCbox->setChecked( autoSaveCDL );
+	autoLoadCdlCbox->setChecked( autoLoadCDL );
+	autoResumeLogCbox->setChecked( autoResumeCDL );
+
+	connect(autoSaveCdlCbox  , SIGNAL(stateChanged(int)), this, SLOT(autoSaveCdlStateChange(int)) );
+	connect(autoLoadCdlCbox  , SIGNAL(stateChanged(int)), this, SLOT(autoLoadCdlStateChange(int)) );
+	connect(autoResumeLogCbox, SIGNAL(stateChanged(int)), this, SLOT(autoResumeCdlStateChange(int)) );
+
 	subframe = new QGroupBox(tr("PRG Logged as Code"));
 	vbox     = new QVBoxLayout();
 	vbox->addWidget( prgLoggedCodeLabel );
@@ -97,9 +125,11 @@ CodeDataLoggerDialog_t::CodeDataLoggerDialog_t(QWidget *parent)
 	vbox1->addLayout( grid );
 	btn = new QPushButton( tr("Reset Log") );
 	grid->addWidget( btn, 0, 0, Qt::AlignCenter );
+   connect( btn, SIGNAL(clicked(void)), this, SLOT(ResetCDLogClicked(void)));
 
-	btn = new QPushButton( tr("Start") );
-	grid->addWidget( btn, 0, 1, Qt::AlignCenter );
+	startPauseButton = new QPushButton( tr("Start") );
+	grid->addWidget( startPauseButton, 0, 1, Qt::AlignCenter );
+   connect( startPauseButton, SIGNAL(clicked(void)), this, SLOT(StartPauseCDLogClicked(void)));
 
 	btn = new QPushButton( tr("Save") );
 	grid->addWidget( btn, 0, 2, Qt::AlignCenter );
@@ -137,6 +167,12 @@ CodeDataLoggerDialog_t::CodeDataLoggerDialog_t(QWidget *parent)
 
    updateTimer->start( 100 ); // 10hz
 
+	if (autoLoadCDL)
+	{
+		char nameo[2048];
+		getDefaultCDLFile( nameo );
+		LoadCDLog(nameo);
+	}
 }
 //----------------------------------------------------
 CodeDataLoggerDialog_t::~CodeDataLoggerDialog_t(void)
@@ -161,8 +197,334 @@ void CodeDataLoggerDialog_t::closeWindow(void)
 	deleteLater();
 }
 //----------------------------------------------------
-void CodeDataLoggerDialog_t::updatePeriodic(void)
+void CodeDataLoggerDialog_t::autoSaveCdlStateChange(int state)
 {
+	autoSaveCDL = state != Qt::Unchecked;
 
+	g_config->setOption("SDL.AutoSaveCDL", autoSaveCDL);
+}
+//----------------------------------------------------
+void CodeDataLoggerDialog_t::autoLoadCdlStateChange(int state)
+{
+	autoLoadCDL = state != Qt::Unchecked;
+
+	g_config->setOption("SDL.AutoLoadCDL", autoLoadCDL);
+}
+//----------------------------------------------------
+void CodeDataLoggerDialog_t::autoResumeCdlStateChange(int state)
+{
+	autoResumeCDL = state != Qt::Unchecked;
+
+	g_config->setOption("SDL.AutoResumeCDL", autoResumeCDL);
+}
+//----------------------------------------------------
+void CodeDataLoggerDialog_t::updatePeriodic(void)
+{
+	char str[768];
+	float fcodecount = codecount;
+	float fdatacount = datacount;
+	float frendercount = rendercount;
+	float fvromreadcount = vromreadcount;
+	float fundefinedcount = undefinedcount;
+	float fundefinedvromcount = undefinedvromcount;
+	float fromsize = cdloggerdataSize;
+	float fvromsize = (cdloggerVideoDataSize != 0) ? cdloggerVideoDataSize : 1;
+
+	if ( FCEUI_GetLoggingCD() )
+	{
+		startPauseButton->setText( tr("Pause") );
+		statLabel->setText( tr(" Logger is Running: Press Pause to Stop ") );
+		statLabel->setStyleSheet("background-color: green; color: white;");
+	}
+	else
+	{
+		startPauseButton->setText( tr("Start") );
+		statLabel->setText( tr(" Logger is Paused: Press Start to Run ") );
+		statLabel->setStyleSheet("background-color: red; color: white;");
+	}
+
+	if ( cdloggerdataSize > 0 )
+	{
+	   sprintf(str,"0x%06x  %.2f%%", codecount, (fcodecount / fromsize) * 100);
+	   prgLoggedCodeLabel->setText( tr(str) );
+
+	   sprintf(str,"0x%06x  %.2f%%", datacount,(fdatacount / fromsize) * 100);
+	   prgLoggedDataLabel->setText( tr(str) );
+
+	   sprintf(str,"0x%06x  %.2f%%", undefinedcount, (fundefinedcount / fromsize) * 100);
+	   prgUnloggedLabel->setText( tr(str) );
+
+	   sprintf(str,"0x%06x  %.2f%%", rendercount, (frendercount / fvromsize) * 100);
+	   chrLoggedCodeLabel->setText( tr(str) );
+
+	   sprintf(str,"0x%06x  %.2f%%", vromreadcount, (fvromreadcount / fvromsize) * 100);
+	   chrLoggedDataLabel->setText( tr(str) );
+
+	   sprintf(str,"0x%06x  %.2f%%", undefinedvromcount, (fundefinedvromcount / fvromsize) * 100);
+	   chrUnloggedLabel->setText( tr(str) );
+	}
+	else
+	{
+	   prgLoggedCodeLabel->setText( tr("------") );
+	   prgLoggedDataLabel->setText( tr("------") );
+	   prgUnloggedLabel->setText( tr("------") );
+	   chrLoggedCodeLabel->setText( tr("------") );
+	   chrLoggedDataLabel->setText( tr("------") );
+	   chrUnloggedLabel->setText( tr("------") );
+	}
+
+	sprintf( str, "CDL File: %s", loadedcdfile );
+
+	cdlFileLabel->setText( tr(str) );
+}
+//----------------------------------------------------
+void CodeDataLoggerDialog_t::ResetCDLogClicked(void)
+{
+	::ResetCDLog();
+}
+//----------------------------------------------------
+void CodeDataLoggerDialog_t::StartPauseCDLogClicked(void)
+{
+	if ( FCEUI_GetLoggingCD() )
+	{
+		printf("CD Logging Paused\n");
+		PauseCDLogging();
+		startPauseButton->setText( tr("Start") );
+	}
+	else
+	{
+		printf("CD Logging Started\n");
+		StartCDLogging();
+		startPauseButton->setText( tr("Pause") );
+	}
+}
+//----------------------------------------------------
+static int getDefaultCDLFile( char *filepath )
+{
+	const char *romFile;
+	char dir[512], baseFile[256];
+
+	filepath[0] = 0;
+
+	romFile = getRomFile();
+
+	if ( romFile == NULL )
+	{
+		return -1;
+	}
+
+	parseFilepath( romFile, dir, baseFile );
+	
+	sprintf( filepath, "%s/%s.cdl", dir, baseFile );
+
+	//printf("%s\n", filepath );
+
+	return 0;
+}
+//----------------------------------------------------
+void FreeCDLog(void)
+{
+	fceuWrapperLock();
+	if (cdloggerdata)
+	{
+		free(cdloggerdata);
+		cdloggerdata = NULL;
+		cdloggerdataSize = 0;
+	}
+	if (cdloggervdata)
+	{
+		free(cdloggervdata);
+		cdloggervdata = NULL;
+		cdloggerVideoDataSize = 0;
+	}
+	fceuWrapperUnLock();
+}
+//----------------------------------------------------
+void InitCDLog(void)
+{
+	fceuWrapperLock();
+	cdloggerdataSize = PRGsize[0];
+	cdloggerdata = (unsigned char*)malloc(cdloggerdataSize);
+	if (!CHRram[0] || (CHRptr[0] == PRGptr[0])) {	// Some kind of workaround for my OneBus VRAM hack, will remove it if I find another solution for that
+		cdloggerVideoDataSize = CHRsize[0];
+		cdloggervdata = (unsigned char*)malloc(cdloggerVideoDataSize);
+	} else {
+		if (GameInfo->type != GIT_NSF) {
+			cdloggerVideoDataSize = 0;
+			cdloggervdata = (unsigned char*)malloc(8192);
+		}
+	}
+	fceuWrapperUnLock();
+}
+//----------------------------------------------------
+void ResetCDLog(void)
+{
+	if ( GameInfo == NULL )
+	{
+		return;
+	}
+	fceuWrapperLock();
+
+	codecount = datacount = rendercount = vromreadcount = 0;
+	undefinedcount = cdloggerdataSize;
+
+	if ( cdloggerdata != NULL )
+	{
+		memset(cdloggerdata, 0, cdloggerdataSize);
+	}
+	if (cdloggerVideoDataSize != 0) 
+	{
+		undefinedvromcount = cdloggerVideoDataSize;
+
+		if ( cdloggervdata != NULL )
+		{
+			memset(cdloggervdata, 0, cdloggerVideoDataSize);
+		}
+	}
+  	else
+  	{
+		if (GameInfo->type != GIT_NSF) 
+		{
+			undefinedvromcount = 8192;
+			memset(cdloggervdata, 0, 8192);
+		}
+	}
+	fceuWrapperUnLock();
+}
+//----------------------------------------------------
+bool LoadCDLog(const char* nameo)
+{
+	FILE *FP;
+	int i,j;
+
+	FP = fopen(nameo, "rb");
+	if (FP == NULL)
+		return false;
+
+	for(i = 0;i < (int)cdloggerdataSize;i++)
+	{
+		j = fgetc(FP);
+		if (j == EOF)
+			break;
+		if ((j & 1) && !(cdloggerdata[i] & 1))
+			codecount++; //if the new byte has something logged and
+		if ((j & 2) && !(cdloggerdata[i] & 2))
+			datacount++; //and the old one doesn't. Then increment
+		if ((j & 3) && !(cdloggerdata[i] & 3))
+			undefinedcount--; //the appropriate counter.
+		cdloggerdata[i] |= j;
+	}
+
+	if(cdloggerVideoDataSize != 0)
+	{
+		for(i = 0;i < (int)cdloggerVideoDataSize;i++)
+		{
+			j = fgetc(FP);
+			if(j == EOF)break;
+			if((j & 1) && !(cdloggervdata[i] & 1))rendercount++; //if the new byte has something logged and
+			if((j & 2) && !(cdloggervdata[i] & 2))vromreadcount++; //if the new byte has something logged and
+			if((j & 3) && !(cdloggervdata[i] & 3))undefinedvromcount--; //the appropriate counter.
+			cdloggervdata[i] |= j;
+		}
+	}
+
+	fclose(FP);
+	RenameCDLog(nameo);
+
+	return true;
+}
+//----------------------------------------------------
+void StartCDLogging(void)
+{
+	fceuWrapperLock();
+	FCEUI_SetLoggingCD(1);
+	//EnableTracerMenuItems();
+	//SetDlgItemText(hCDLogger, BTN_CDLOGGER_START_PAUSE, "Pause");
+	fceuWrapperUnLock();
+}
+//----------------------------------------------------
+bool PauseCDLogging(void)
+{
+	// can't pause while Trace Logger is using
+	//if ((logging) && (logging_options & LOG_NEW_INSTRUCTIONS))
+	//{
+	//	MessageBox(hCDLogger, "The Trace Logger is currently using this for some of its features.\nPlease turn the Trace Logger off and try again.","Unable to Pause Code/Data Logger", MB_OK);
+	//	return false;
+	//}
+	fceuWrapperLock();
+	FCEUI_SetLoggingCD(0);
+	//EnableTracerMenuItems();
+	//SetDlgItemText(hCDLogger, BTN_CDLOGGER_START_PAUSE, "Start");
+	fceuWrapperUnLock();
+	return true;
+}
+//----------------------------------------------------
+void CDLoggerROMClosed(void)
+{
+	PauseCDLogging();
+	if (autoSaveCDL)
+	{
+		SaveCDLogFile();
+	}
+}
+//----------------------------------------------------
+void CDLoggerROMChanged(void)
+{
+	FreeCDLog();
+	InitCDLog();
+	ResetCDLog();
+	RenameCDLog("");
+
+	if (!autoResumeCDL)
+		return;
+
+	// try to load respective CDL file
+	char nameo[1024];
+	getDefaultCDLFile( nameo );
+
+	FILE *FP;
+	FP = fopen(nameo, "rb");
+	if (FP != NULL)
+	{
+		// .cdl file with this ROM name exists
+		fclose(FP);
+		//if (!hCDLogger)
+		//{
+		//	DoCDLogger();
+		//}
+		if (LoadCDLog(nameo))
+		{
+			StartCDLogging();
+		}
+	}
+}
+//----------------------------------------------------
+void RenameCDLog(const char* newName)
+{
+	strcpy(loadedcdfile, newName);
+}
+//----------------------------------------------------
+void SaveCDLogFile(void)
+{
+	if (loadedcdfile[0] == 0)
+	{
+		char nameo[1024];
+		getDefaultCDLFile( nameo );
+		RenameCDLog(nameo);
+	}
+
+	FILE *FP;
+	FP = fopen(loadedcdfile, "wb");
+	if (FP == NULL)
+	{
+		FCEUD_PrintError("Error Saving File");
+		return;
+	}
+	fwrite(cdloggerdata, cdloggerdataSize, 1, FP);
+	if (cdloggerVideoDataSize != 0)
+	{
+		fwrite(cdloggervdata, cdloggerVideoDataSize, 1, FP);
+	}
+	fclose(FP);
 }
 //----------------------------------------------------
diff --git a/src/drivers/Qt/CodeDataLogger.h b/src/drivers/Qt/CodeDataLogger.h
index 301e710e..c1782041 100644
--- a/src/drivers/Qt/CodeDataLogger.h
+++ b/src/drivers/Qt/CodeDataLogger.h
@@ -25,24 +25,43 @@ class CodeDataLoggerDialog_t : public QDialog
 		~CodeDataLoggerDialog_t(void);
 
 	protected:
-      QTimer    *updateTimer;
-		QLabel    *prgLoggedCodeLabel;
-		QLabel    *prgLoggedDataLabel;
-		QLabel    *prgUnloggedLabel;
-		QLabel    *chrLoggedCodeLabel;
-		QLabel    *chrLoggedDataLabel;
-		QLabel    *chrUnloggedLabel;
-		QLabel    *cdlFileLabel;
-		QCheckBox *autoSaveCdlCbox;
-		QCheckBox *autoLoadCdlCbox;
-		QCheckBox *autoResumeLogCbox;
+      QTimer      *updateTimer;
+		QLabel      *prgLoggedCodeLabel;
+		QLabel      *prgLoggedDataLabel;
+		QLabel      *prgUnloggedLabel;
+		QLabel      *chrLoggedCodeLabel;
+		QLabel      *chrLoggedDataLabel;
+		QLabel      *chrUnloggedLabel;
+		QLabel      *cdlFileLabel;
+		QLabel      *statLabel;
+		QCheckBox   *autoSaveCdlCbox;
+		QCheckBox   *autoLoadCdlCbox;
+		QCheckBox   *autoResumeLogCbox;
+		QPushButton *startPauseButton;
       void closeEvent(QCloseEvent *bar);
+
 	private:
 
    public slots:
       void closeWindow(void);
 	private slots:
 		void updatePeriodic(void);
+		void ResetCDLogClicked(void);
+		void StartPauseCDLogClicked(void);
+		void autoSaveCdlStateChange(int state);
+		void autoLoadCdlStateChange(int state);
+		void autoResumeCdlStateChange(int state);
 
 };
 
+void InitCDLog(void);
+void ResetCDLog(void);
+void FreeCDLog(void);
+void StartCDLogging(void);
+bool PauseCDLogging(void);
+bool LoadCDLog(const char* nameo);
+void RenameCDLog(const char* newName);
+void CDLoggerROMClosed(void);
+void CDLoggerROMChanged(void);
+void SaveCDLogFile(void);
+
diff --git a/src/drivers/Qt/ConsoleUtilities.cpp b/src/drivers/Qt/ConsoleUtilities.cpp
index d118dd7d..c9fa3a48 100644
--- a/src/drivers/Qt/ConsoleUtilities.cpp
+++ b/src/drivers/Qt/ConsoleUtilities.cpp
@@ -83,3 +83,63 @@ int getFileBaseName( const char *filepath, char *base )
 	return end;
 }
 //---------------------------------------------------------------------------
+int parseFilepath( const char *filepath, char *dir, char *base, char *suffix )
+{
+	int i=0,j=0,end=0;
+	if ( filepath == NULL )
+	{
+		base[0] = 0;
+		return 0;
+	}
+	i=0; j=0;
+	while ( filepath[i] != 0 )
+	{
+		if ( (filepath[i] == '/') || (filepath[i] == '\\') )
+		{
+			j = i+1;
+		}
+		if ( dir )
+		{
+			dir[i] = filepath[i];
+		}
+		i++;
+	}
+	if ( dir )
+	{
+		dir[j] = 0;
+	}
+	i = j;
+
+	if ( base == NULL )
+	{
+		return end;
+	}
+
+	j=0;
+	while ( filepath[i] != 0 )
+	{
+		base[j] = filepath[i]; i++; j++;
+	}
+	base[j] = 0; end=j;
+
+	if ( suffix )
+	{
+		suffix[0] = 0;
+	}
+
+	while ( j > 1 )
+	{
+		j--;
+		if ( base[j] == '.' )
+		{
+			if ( suffix )
+			{
+				strcpy( suffix, &base[j] );
+			}
+			end=j; base[j] = 0; 
+			break;
+		}
+	}
+	return end;
+}
+//---------------------------------------------------------------------------
diff --git a/src/drivers/Qt/ConsoleUtilities.h b/src/drivers/Qt/ConsoleUtilities.h
index e55e0361..12838ddc 100644
--- a/src/drivers/Qt/ConsoleUtilities.h
+++ b/src/drivers/Qt/ConsoleUtilities.h
@@ -5,3 +5,5 @@ int  getDirFromFile( const char *path, char *dir );
 const char *getRomFile( void );
 
 int getFileBaseName( const char *filepath, char *base );
+
+int parseFilepath( const char *filepath, char *dir, char *base, char *suffix = NULL );
diff --git a/src/drivers/Qt/config.cpp b/src/drivers/Qt/config.cpp
index 3fec6409..35d6b0f2 100644
--- a/src/drivers/Qt/config.cpp
+++ b/src/drivers/Qt/config.cpp
@@ -263,6 +263,11 @@ InitConfig()
 	config->addOption("autoLoadDebugFiles", "SDL.AutoLoadDebugFiles", 1);
 	config->addOption("autoOpenDebugger"  , "SDL.AutoOpenDebugger"  , 0);
 
+	// Code Data Logger Options
+	config->addOption("autoSaveCDL"  , "SDL.AutoSaveCDL", 1);
+	config->addOption("autoLoadCDL"  , "SDL.AutoLoadCDL", 1);
+	config->addOption("autoResumeCDL", "SDL.AutoResumeCDL", 0);
+	
 	// overwrite the config file?
 	config->addOption("no-config", "SDL.NoConfig", 0);
 
diff --git a/src/drivers/Qt/fceuWrapper.cpp b/src/drivers/Qt/fceuWrapper.cpp
index f618991f..0f204e16 100644
--- a/src/drivers/Qt/fceuWrapper.cpp
+++ b/src/drivers/Qt/fceuWrapper.cpp
@@ -16,6 +16,7 @@
 #include "Qt/unix-netplay.h"
 #include "Qt/HexEditor.h"
 #include "Qt/SymbolicDebug.h"
+#include "Qt/CodeDataLogger.h"
 #include "Qt/ConsoleDebugger.h"
 #include "Qt/ConsoleWindow.h"
 #include "Qt/fceux_git_info.h"
@@ -247,6 +248,8 @@ int LoadGame(const char *path)
 
 	debugSymbolTable.loadGameSymbols();
 
+	CDLoggerROMChanged();
+
     int state_to_load;
     g_config->getOption("SDL.AutoLoadState", &state_to_load);
     if (state_to_load >= 0 && state_to_load < 10){
@@ -299,6 +302,7 @@ CloseGame(void)
 
 	debugSymbolTable.save();
 	debugSymbolTable.clear();
+	CDLoggerROMClosed();
 
     int state_to_save;
     g_config->getOption("SDL.AutoSaveState", &state_to_save);
@@ -946,17 +950,23 @@ static void DoFun(int frameskip, int periodic_saves)
 void fceuWrapperLock(void)
 {
 	mutexPending++;
-	consoleWindow->mutex->lock();
+	if ( consoleWindow != NULL )
+	{
+		consoleWindow->mutex->lock();
+	}
 	mutexPending--;
 	mutexLocks++;
 }
 
 bool fceuWrapperTryLock(int timeout)
 {
-	bool lockAcq;
+	bool lockAcq = false;
 
 	mutexPending++;
-	lockAcq = consoleWindow->mutex->tryLock( timeout );
+	if ( consoleWindow != NULL )
+	{
+		lockAcq = consoleWindow->mutex->tryLock( timeout );
+	}
 	mutexPending--;
 
 	if ( lockAcq )
@@ -970,7 +980,10 @@ void fceuWrapperUnLock(void)
 {
 	if ( mutexLocks > 0 )
 	{
-		consoleWindow->mutex->unlock();
+		if ( consoleWindow != NULL )
+		{
+			consoleWindow->mutex->unlock();
+		}
 		mutexLocks--;
 	}
 	else
diff --git a/src/ppu.h b/src/ppu.h
index a3d2ded5..4555264d 100644
--- a/src/ppu.h
+++ b/src/ppu.h
@@ -48,3 +48,7 @@ enum PPUPHASE {
 };
 
 extern PPUPHASE ppuphase;
+
+extern unsigned char *cdloggervdata;
+extern unsigned int cdloggerVideoDataSize;
+extern volatile int rendercount, vromreadcount, undefinedvromcount;