diff --git a/src/gba/gba.c b/src/gba/gba.c
index 029cd0652..2c6604593 100644
--- a/src/gba/gba.c
+++ b/src/gba/gba.c
@@ -922,7 +922,7 @@ void GBAFrameEnded(struct GBA* gba) {
 		GBAHardwarePlayerUpdate(gba);
 	}
 
-	struct GBAThread* thread = GBAThreadGetContext();
+	struct mCoreThread* thread = mCoreThreadGet();
 	if (!thread) {
 		return;
 	}
@@ -931,12 +931,7 @@ void GBAFrameEnded(struct GBA* gba) {
 		thread->frameCallback(thread);
 	}
 
-	if (gba->rr && gba->rr->queryReset(gba->rr)) {
-		// TODO: Clean up reset scheduling
-		MutexLock(&thread->stateMutex);
-		thread->state = THREAD_RESETING;
-		MutexUnlock(&thread->stateMutex);
-	}
+	// TODO: Put back RR
 }
 
 void GBASetBreakpoint(struct GBA* gba, struct mCPUComponent* component, uint32_t address, enum ExecutionMode mode, uint32_t* opcode) {
diff --git a/src/platform/qt/AudioDevice.cpp b/src/platform/qt/AudioDevice.cpp
index b6c3ce6ae..ec36a1af3 100644
--- a/src/platform/qt/AudioDevice.cpp
+++ b/src/platform/qt/AudioDevice.cpp
@@ -8,9 +8,9 @@
 #include "LogController.h"
 
 extern "C" {
+#include "core/thread.h"
 #include "gba/gba.h"
 #include "gba/audio.h"
-#include "gba/supervisor/thread.h"
 }
 
 using namespace QGBA;
@@ -25,18 +25,18 @@ AudioDevice::AudioDevice(QObject* parent)
 }
 
 void AudioDevice::setFormat(const QAudioFormat& format) {
-	if (!m_context || !GBAThreadIsActive(m_context)) {
+	if (!m_context || !mCoreThreadIsActive(m_context)) {
 		LOG(INFO) << tr("Can't set format of context-less audio device");
 		return;
 	}
-	double fauxClock = GBAAudioCalculateRatio(1, m_context->fpsTarget, 1);
+	double fauxClock = GBAAudioCalculateRatio(1, 60, 1); // TODO: Put back fpsTarget
 	mCoreSyncLockAudio(&m_context->sync);
-	blip_set_rates(m_context->gba->audio.psg.left, GBA_ARM7TDMI_FREQUENCY, format.sampleRate() * fauxClock);
-	blip_set_rates(m_context->gba->audio.psg.right, GBA_ARM7TDMI_FREQUENCY, format.sampleRate() * fauxClock);
+	blip_set_rates(m_context->core->getAudioChannel(m_context->core, 0), GBA_ARM7TDMI_FREQUENCY, format.sampleRate() * fauxClock);
+	blip_set_rates(m_context->core->getAudioChannel(m_context->core, 1), GBA_ARM7TDMI_FREQUENCY, format.sampleRate() * fauxClock);
 	mCoreSyncUnlockAudio(&m_context->sync);
 }
 
-void AudioDevice::setInput(GBAThread* input) {
+void AudioDevice::setInput(mCoreThread* input) {
 	m_context = input;
 }
 
@@ -45,18 +45,18 @@ qint64 AudioDevice::readData(char* data, qint64 maxSize) {
 		maxSize = 0xFFFFFFFF;
 	}
 
-	if (!m_context->gba) {
-		LOG(WARN) << tr("Audio device is missing its GBA");
+	if (!m_context->core) {
+		LOG(WARN) << tr("Audio device is missing its core");
 		return 0;
 	}
 
 	mCoreSyncLockAudio(&m_context->sync);
-	int available = blip_samples_avail(m_context->gba->audio.psg.left);
+	int available = blip_samples_avail(m_context->core->getAudioChannel(m_context->core, 0));
 	if (available > maxSize / sizeof(GBAStereoSample)) {
 		available = maxSize / sizeof(GBAStereoSample);
 	}
-	blip_read_samples(m_context->gba->audio.psg.left, &reinterpret_cast<GBAStereoSample*>(data)->left, available, true);
-	blip_read_samples(m_context->gba->audio.psg.right, &reinterpret_cast<GBAStereoSample*>(data)->right, available, true);
+	blip_read_samples(m_context->core->getAudioChannel(m_context->core, 0), &reinterpret_cast<GBAStereoSample*>(data)->left, available, true);
+	blip_read_samples(m_context->core->getAudioChannel(m_context->core, 1), &reinterpret_cast<GBAStereoSample*>(data)->right, available, true);
 	mCoreSyncConsumeAudio(&m_context->sync);
 	return available * sizeof(GBAStereoSample);
 }
diff --git a/src/platform/qt/AudioDevice.h b/src/platform/qt/AudioDevice.h
index 07c6c8a18..249485919 100644
--- a/src/platform/qt/AudioDevice.h
+++ b/src/platform/qt/AudioDevice.h
@@ -9,7 +9,7 @@
 #include <QAudioFormat>
 #include <QIODevice>
 
-struct GBAThread;
+struct mCoreThread;
 
 namespace QGBA {
 
@@ -19,7 +19,7 @@ Q_OBJECT
 public:
 	AudioDevice(QObject* parent = nullptr);
 
-	void setInput(GBAThread* input);
+	void setInput(mCoreThread* input);
 	void setFormat(const QAudioFormat& format);
 
 protected:
@@ -27,7 +27,7 @@ protected:
 	virtual qint64 writeData(const char* data, qint64 maxSize) override;
 
 private:
-	GBAThread* m_context;
+	mCoreThread* m_context;
 	float m_drift;
 	float m_ratio;
 };
diff --git a/src/platform/qt/AudioProcessor.cpp b/src/platform/qt/AudioProcessor.cpp
index df4e269de..da32a522d 100644
--- a/src/platform/qt/AudioProcessor.cpp
+++ b/src/platform/qt/AudioProcessor.cpp
@@ -13,10 +13,6 @@
 #include "AudioProcessorQt.h"
 #endif
 
-extern "C" {
-#include "gba/supervisor/thread.h"
-}
-
 using namespace QGBA;
 
 #ifndef BUILD_SDL
@@ -49,11 +45,11 @@ AudioProcessor* AudioProcessor::create() {
 AudioProcessor::AudioProcessor(QObject* parent)
 	: QObject(parent)
 	, m_context(nullptr)
-	, m_samples(GBA_AUDIO_SAMPLES)
+	, m_samples(2048)
 {
 }
 
-void AudioProcessor::setInput(GBAThread* input) {
+void AudioProcessor::setInput(mCoreThread* input) {
 	m_context = input;
 }
 
diff --git a/src/platform/qt/AudioProcessor.h b/src/platform/qt/AudioProcessor.h
index d33ccdd7f..c35de9b69 100644
--- a/src/platform/qt/AudioProcessor.h
+++ b/src/platform/qt/AudioProcessor.h
@@ -7,7 +7,7 @@
 #define QGBA_AUDIO_PROCESSOR
 #include <QObject>
 
-struct GBAThread;
+struct mCoreThread;
 
 namespace QGBA {
 
@@ -29,7 +29,7 @@ public:
 
 	AudioProcessor(QObject* parent = nullptr);
 
-	virtual void setInput(GBAThread* input);
+	virtual void setInput(mCoreThread* input);
 	int getBufferSamples() const { return m_samples; }
 	virtual unsigned sampleRate() const = 0;
 
@@ -43,10 +43,10 @@ public slots:
 	virtual void requestSampleRate(unsigned) = 0;
 
 protected:
-	GBAThread* input() { return m_context; }
+	mCoreThread* input() { return m_context; }
 
 private:
-	GBAThread* m_context;
+	mCoreThread* m_context;
 	int m_samples;
 	static Driver s_driver;
 };
diff --git a/src/platform/qt/AudioProcessorQt.cpp b/src/platform/qt/AudioProcessorQt.cpp
index 30b50cd58..f2d5f4bc5 100644
--- a/src/platform/qt/AudioProcessorQt.cpp
+++ b/src/platform/qt/AudioProcessorQt.cpp
@@ -24,7 +24,7 @@ AudioProcessorQt::AudioProcessorQt(QObject* parent)
 {
 }
 
-void AudioProcessorQt::setInput(GBAThread* input) {
+void AudioProcessorQt::setInput(mCoreThread* input) {
 	AudioProcessor::setInput(input);
 	if (m_device) {
 		m_device->setInput(input);
@@ -59,7 +59,7 @@ bool AudioProcessorQt::start() {
 
 	m_device->setInput(input());
 	m_device->setFormat(m_audioOutput->format());
-	m_audioOutput->setBufferSize(input()->audioBuffers * 4);
+	m_audioOutput->setBufferSize(2048 * 4); // TODO?
 
 	m_audioOutput->start(m_device);
 	return m_audioOutput->state() == QAudio::ActiveState;
diff --git a/src/platform/qt/AudioProcessorQt.h b/src/platform/qt/AudioProcessorQt.h
index 1ae871841..d745d82a5 100644
--- a/src/platform/qt/AudioProcessorQt.h
+++ b/src/platform/qt/AudioProcessorQt.h
@@ -19,7 +19,7 @@ Q_OBJECT
 public:
 	AudioProcessorQt(QObject* parent = nullptr);
 
-	virtual void setInput(GBAThread* input) override;
+	virtual void setInput(mCoreThread* input) override;
 	virtual unsigned sampleRate() const override;
 
 public slots:
diff --git a/src/platform/qt/AudioProcessorSDL.cpp b/src/platform/qt/AudioProcessorSDL.cpp
index b9b490b53..05ac927b3 100644
--- a/src/platform/qt/AudioProcessorSDL.cpp
+++ b/src/platform/qt/AudioProcessorSDL.cpp
@@ -34,9 +34,15 @@ bool AudioProcessorSDL::start() {
 		return true;
 	} else {
 		if (!m_audio.samples) {
-			m_audio.samples = input()->audioBuffers;
+			m_audio.samples = 2048; // TODO?
 		}
-		return mSDLInitAudio(&m_audio, input());
+		if (mSDLInitAudio(&m_audio, nullptr)) {
+			m_audio.core = input()->core;
+			m_audio.sync = &input()->sync;
+			mSDLResumeAudio(&m_audio);
+			return true;
+		}
+		return false;
 	}
 }
 
@@ -49,7 +55,10 @@ void AudioProcessorSDL::setBufferSamples(int samples) {
 	m_audio.samples = samples;
 	if (m_audio.thread) {
 		mSDLDeinitAudio(&m_audio);
-		mSDLInitAudio(&m_audio, input());
+		mSDLInitAudio(&m_audio, nullptr);
+		m_audio.core = input()->core;
+		m_audio.sync = &input()->sync;
+		mSDLResumeAudio(&m_audio);
 	}
 }
 
@@ -60,7 +69,10 @@ void AudioProcessorSDL::requestSampleRate(unsigned rate) {
 	m_audio.sampleRate = rate;
 	if (m_audio.thread) {
 		mSDLDeinitAudio(&m_audio);
-		mSDLInitAudio(&m_audio, input());
+		mSDLInitAudio(&m_audio, nullptr);
+		m_audio.core = input()->core;
+		m_audio.sync = &input()->sync;
+		mSDLResumeAudio(&m_audio);
 	}
 }
 
diff --git a/src/platform/qt/CheatsView.cpp b/src/platform/qt/CheatsView.cpp
index 4ba25aef7..c10ec3561 100644
--- a/src/platform/qt/CheatsView.cpp
+++ b/src/platform/qt/CheatsView.cpp
@@ -30,8 +30,8 @@ CheatsView::CheatsView(GameController* controller, QWidget* parent)
 	connect(m_ui.save, SIGNAL(clicked()), this, SLOT(save()));
 	connect(m_ui.addSet, SIGNAL(clicked()), this, SLOT(addSet()));
 	connect(m_ui.remove, SIGNAL(clicked()), this, SLOT(removeSet()));
-	connect(controller, SIGNAL(gameStopped(GBAThread*)), &m_model, SLOT(invalidated()));
-	connect(controller, SIGNAL(stateLoaded(GBAThread*)), &m_model, SLOT(invalidated()));
+	connect(controller, SIGNAL(gameStopped(mCoreThread*)), &m_model, SLOT(invalidated()));
+	connect(controller, SIGNAL(stateLoaded(mCoreThread*)), &m_model, SLOT(invalidated()));
 
 	connect(m_ui.add, &QPushButton::clicked, [this]() {
 		enterCheat(GBACheatAddLine);
diff --git a/src/platform/qt/ConfigController.cpp b/src/platform/qt/ConfigController.cpp
index a3ff6b8b3..91f4aef94 100644
--- a/src/platform/qt/ConfigController.cpp
+++ b/src/platform/qt/ConfigController.cpp
@@ -109,7 +109,7 @@ ConfigController::ConfigController(QObject* parent)
 	m_opts.fpsTarget = 60;
 	m_opts.audioBuffers = 1536;
 	m_opts.sampleRate = 44100;
-	m_opts.volume = GBA_AUDIO_VOLUME_MAX;
+	m_opts.volume = 0x100;
 	m_opts.logLevel = GBA_LOG_WARN | GBA_LOG_ERROR | GBA_LOG_FATAL | GBA_LOG_STATUS;
 	m_opts.rewindEnable = false;
 	m_opts.rewindBufferInterval = 0;
diff --git a/src/platform/qt/ConfigController.h b/src/platform/qt/ConfigController.h
index 539af4326..1f12472d1 100644
--- a/src/platform/qt/ConfigController.h
+++ b/src/platform/qt/ConfigController.h
@@ -82,6 +82,8 @@ public:
 
 	Configuration* input() { return mCoreConfigGetInput(&m_config); }
 
+	const mCoreConfig* config() { return &m_config; }
+
 public slots:
 	void setOption(const char* key, bool value);
 	void setOption(const char* key, int value);
diff --git a/src/platform/qt/Display.h b/src/platform/qt/Display.h
index a4145f6df..6051eee69 100644
--- a/src/platform/qt/Display.h
+++ b/src/platform/qt/Display.h
@@ -10,7 +10,7 @@
 
 #include "MessagePainter.h"
 
-struct GBAThread;
+struct mCoreThread;
 struct VDir;
 struct VideoShader;
 
@@ -47,7 +47,7 @@ signals:
 	void hideCursor();
 
 public slots:
-	virtual void startDrawing(GBAThread* context) = 0;
+	virtual void startDrawing(mCoreThread* context) = 0;
 	virtual void stopDrawing() = 0;
 	virtual void pauseDrawing() = 0;
 	virtual void unpauseDrawing() = 0;
diff --git a/src/platform/qt/DisplayGL.cpp b/src/platform/qt/DisplayGL.cpp
index a12d55702..cd4b58fe4 100644
--- a/src/platform/qt/DisplayGL.cpp
+++ b/src/platform/qt/DisplayGL.cpp
@@ -62,7 +62,7 @@ VideoShader* DisplayGL::shaders() {
 	return shaders;
 }
 
-void DisplayGL::startDrawing(GBAThread* thread) {
+void DisplayGL::startDrawing(mCoreThread* thread) {
 	if (m_drawThread) {
 		return;
 	}
@@ -90,14 +90,14 @@ void DisplayGL::startDrawing(GBAThread* thread) {
 void DisplayGL::stopDrawing() {
 	if (m_drawThread) {
 		m_isDrawing = false;
-		if (GBAThreadIsActive(m_context)) {
-			GBAThreadInterrupt(m_context);
+		if (mCoreThreadIsActive(m_context)) {
+			mCoreThreadInterrupt(m_context);
 		}
 		QMetaObject::invokeMethod(m_painter, "stop", Qt::BlockingQueuedConnection);
 		m_drawThread->exit();
 		m_drawThread = nullptr;
-		if (GBAThreadIsActive(m_context)) {
-			GBAThreadContinue(m_context);
+		if (mCoreThreadIsActive(m_context)) {
+			mCoreThreadContinue(m_context);
 		}
 	}
 }
@@ -105,12 +105,12 @@ void DisplayGL::stopDrawing() {
 void DisplayGL::pauseDrawing() {
 	if (m_drawThread) {
 		m_isDrawing = false;
-		if (GBAThreadIsActive(m_context)) {
-			GBAThreadInterrupt(m_context);
+		if (mCoreThreadIsActive(m_context)) {
+			mCoreThreadInterrupt(m_context);
 		}
 		QMetaObject::invokeMethod(m_painter, "pause", Qt::BlockingQueuedConnection);
-		if (GBAThreadIsActive(m_context)) {
-			GBAThreadContinue(m_context);
+		if (mCoreThreadIsActive(m_context)) {
+			mCoreThreadContinue(m_context);
 		}
 	}
 }
@@ -118,12 +118,12 @@ void DisplayGL::pauseDrawing() {
 void DisplayGL::unpauseDrawing() {
 	if (m_drawThread) {
 		m_isDrawing = true;
-		if (GBAThreadIsActive(m_context)) {
-			GBAThreadInterrupt(m_context);
+		if (mCoreThreadIsActive(m_context)) {
+			mCoreThreadInterrupt(m_context);
 		}
 		QMetaObject::invokeMethod(m_painter, "unpause", Qt::BlockingQueuedConnection);
-		if (GBAThreadIsActive(m_context)) {
-			GBAThreadContinue(m_context);
+		if (mCoreThreadIsActive(m_context)) {
+			mCoreThreadContinue(m_context);
 		}
 	}
 }
@@ -260,7 +260,7 @@ PainterGL::~PainterGL() {
 	m_backend = nullptr;
 }
 
-void PainterGL::setContext(GBAThread* context) {
+void PainterGL::setContext(mCoreThread* context) {
 	m_context = context;
 }
 
@@ -307,7 +307,7 @@ void PainterGL::start() {
 }
 
 void PainterGL::draw() {
-	if (m_queue.isEmpty() || !GBAThreadIsActive(m_context)) {
+	if (m_queue.isEmpty() || !mCoreThreadIsActive(m_context)) {
 		return;
 	}
 	if (mCoreSyncWaitFrameStart(&m_context->sync) || !m_queue.isEmpty()) {
diff --git a/src/platform/qt/DisplayGL.h b/src/platform/qt/DisplayGL.h
index fa0b9e514..a98518e46 100644
--- a/src/platform/qt/DisplayGL.h
+++ b/src/platform/qt/DisplayGL.h
@@ -26,8 +26,6 @@ extern "C" {
 #include "platform/video-backend.h"
 }
 
-struct GBAThread;
-
 namespace QGBA {
 
 class EmptyGLWidget : public QGLWidget {
@@ -53,7 +51,7 @@ public:
 	VideoShader* shaders() override;
 
 public slots:
-	void startDrawing(GBAThread* context) override;
+	void startDrawing(mCoreThread* context) override;
 	void stopDrawing() override;
 	void pauseDrawing() override;
 	void unpauseDrawing() override;
@@ -75,7 +73,7 @@ private:
 	QGLWidget* m_gl;
 	PainterGL* m_painter;
 	QThread* m_drawThread;
-	GBAThread* m_context;
+	mCoreThread* m_context;
 };
 
 class PainterGL : public QObject {
@@ -85,7 +83,7 @@ public:
 	PainterGL(QGLWidget* parent, QGLFormat::OpenGLVersionFlags = QGLFormat::OpenGL_Version_1_1);
 	~PainterGL();
 
-	void setContext(GBAThread*);
+	void setContext(mCoreThread*);
 	void setMessagePainter(MessagePainter*);
 	void enqueue(const uint32_t* backing);
 
@@ -118,7 +116,7 @@ private:
 	QGLWidget* m_gl;
 	bool m_active;
 	bool m_started;
-	GBAThread* m_context;
+	mCoreThread* m_context;
 	bool m_supportsShaders;
 	VideoShader m_shader;
 	VideoBackend* m_backend;
diff --git a/src/platform/qt/DisplayQt.cpp b/src/platform/qt/DisplayQt.cpp
index 39502e855..cb6f5cf6b 100644
--- a/src/platform/qt/DisplayQt.cpp
+++ b/src/platform/qt/DisplayQt.cpp
@@ -20,7 +20,7 @@ DisplayQt::DisplayQt(QWidget* parent)
 {
 }
 
-void DisplayQt::startDrawing(GBAThread*) {
+void DisplayQt::startDrawing(mCoreThread*) {
 	m_isDrawing = true;
 }
 
diff --git a/src/platform/qt/DisplayQt.h b/src/platform/qt/DisplayQt.h
index 4668cf590..fe5f3e701 100644
--- a/src/platform/qt/DisplayQt.h
+++ b/src/platform/qt/DisplayQt.h
@@ -11,8 +11,6 @@
 #include <QImage>
 #include <QTimer>
 
-struct GBAThread;
-
 namespace QGBA {
 
 class DisplayQt : public Display {
@@ -26,7 +24,7 @@ public:
 	VideoShader* shaders() override { return nullptr; }
 
 public slots:
-	void startDrawing(GBAThread* context) override;
+	void startDrawing(mCoreThread* context) override;
 	void stopDrawing() override { m_isDrawing = false; }
 	void pauseDrawing() override { m_isDrawing = false; }
 	void unpauseDrawing() override { m_isDrawing = true; }
diff --git a/src/platform/qt/GBAApp.cpp b/src/platform/qt/GBAApp.cpp
index f4435d0d3..0438e2c8c 100644
--- a/src/platform/qt/GBAApp.cpp
+++ b/src/platform/qt/GBAApp.cpp
@@ -43,7 +43,7 @@ GBAApp::GBAApp(int& argc, char* argv[])
 
 	SocketSubsystemInit();
 	qRegisterMetaType<const uint32_t*>("const uint32_t*");
-	qRegisterMetaType<GBAThread*>("GBAThread*");
+	qRegisterMetaType<mCoreThread*>("mCoreThread*");
 
 	QApplication::setApplicationName(projectName);
 	QApplication::setApplicationVersion(projectVersion);
diff --git a/src/platform/qt/GameController.cpp b/src/platform/qt/GameController.cpp
index 723d74340..a8748ed17 100644
--- a/src/platform/qt/GameController.cpp
+++ b/src/platform/qt/GameController.cpp
@@ -21,6 +21,7 @@ extern "C" {
 #include "core/config.h"
 #include "core/directories.h"
 #include "gba/audio.h"
+#include "gba/core.h"
 #include "gba/gba.h"
 #include "gba/serialize.h"
 #include "gba/sharkport.h"
@@ -56,30 +57,15 @@ GameController::GameController(QObject* parent)
 	, m_autofireStatus{}
 	, m_inputController(nullptr)
 	, m_multiplayer(nullptr)
+	, m_stream(nullptr)
 	, m_stateSlot(1)
 	, m_backupLoadState(nullptr)
 	, m_backupSaveState(nullptr)
 	, m_saveStateFlags(SAVESTATE_SCREENSHOT | SAVESTATE_SAVEDATA | SAVESTATE_CHEATS)
 	, m_loadStateFlags(SAVESTATE_SCREENSHOT)
 {
-	m_renderer = new GBAVideoSoftwareRenderer;
-	GBAVideoSoftwareRendererCreate(m_renderer);
-	m_renderer->outputBuffer = (color_t*) m_drawContext;
-	m_renderer->outputBufferStride = VIDEO_HORIZONTAL_PIXELS;
-
 	GBACheatDeviceCreate(&m_cheatDevice);
 
-	m_threadContext.state = THREAD_INITIALIZED;
-	m_threadContext.debugger = 0;
-	m_threadContext.frameskip = 0;
-	m_threadContext.bios = 0;
-	m_threadContext.renderer = &m_renderer->d;
-	m_threadContext.userData = this;
-	m_threadContext.rewindBufferCapacity = 0;
-	m_threadContext.cheats = &m_cheatDevice;
-	m_threadContext.logLevel = GBA_LOG_ALL;
-	mDirectorySetInit(&m_threadContext.dirs);
-
 	m_lux.p = this;
 	m_lux.sample = [](GBALuminanceSource* context) {
 		GameControllerLux* lux = static_cast<GameControllerLux*>(context);
@@ -92,63 +78,65 @@ GameController::GameController(QObject* parent)
 	};
 	setLuminanceLevel(0);
 
-	m_threadContext.startCallback = [](GBAThread* context) {
+	m_threadContext.startCallback = [](mCoreThread* context) {
 		GameController* controller = static_cast<GameController*>(context->userData);
 		if (controller->m_audioProcessor) {
 			controller->m_audioProcessor->setInput(context);
 		}
-		context->gba->luminanceSource = &controller->m_lux;
-		GBARTCGenericSourceInit(&controller->m_rtc, context->gba);
-		context->gba->rtcSource = &controller->m_rtc.d;
-		context->gba->rumble = controller->m_inputController->rumble();
-		context->gba->rotationSource = controller->m_inputController->rotationSource();
-		context->gba->audio.psg.forceDisableCh[0] = !controller->m_audioChannels[0];
-		context->gba->audio.psg.forceDisableCh[1] = !controller->m_audioChannels[1];
-		context->gba->audio.psg.forceDisableCh[2] = !controller->m_audioChannels[2];
-		context->gba->audio.psg.forceDisableCh[3] = !controller->m_audioChannels[3];
-		context->gba->audio.forceDisableChA = !controller->m_audioChannels[4];
-		context->gba->audio.forceDisableChB = !controller->m_audioChannels[5];
-		context->gba->video.renderer->disableBG[0] = !controller->m_videoLayers[0];
-		context->gba->video.renderer->disableBG[1] = !controller->m_videoLayers[1];
-		context->gba->video.renderer->disableBG[2] = !controller->m_videoLayers[2];
-		context->gba->video.renderer->disableBG[3] = !controller->m_videoLayers[3];
-		context->gba->video.renderer->disableOBJ = !controller->m_videoLayers[4];
-		controller->m_fpsTarget = context->fpsTarget;
+		mRTCGenericSourceInit(&controller->m_rtc, context->core);
+		context->core->setRTC(context->core, &controller->m_rtc.d);
 
-		if (context->dirs.state && GBALoadState(context, context->dirs.state, 0, controller->m_loadStateFlags)) {
-			GBADeleteState(context->gba, context->dirs.state, 0);
+		GBA* gba = static_cast<GBA*>(context->core->board);
+		gba->luminanceSource = &controller->m_lux;
+		gba->rumble = controller->m_inputController->rumble();
+		gba->rotationSource = controller->m_inputController->rotationSource();
+		gba->audio.psg.forceDisableCh[0] = !controller->m_audioChannels[0];
+		gba->audio.psg.forceDisableCh[1] = !controller->m_audioChannels[1];
+		gba->audio.psg.forceDisableCh[2] = !controller->m_audioChannels[2];
+		gba->audio.psg.forceDisableCh[3] = !controller->m_audioChannels[3];
+		gba->audio.forceDisableChA = !controller->m_audioChannels[4];
+		gba->audio.forceDisableChB = !controller->m_audioChannels[5];
+		gba->video.renderer->disableBG[0] = !controller->m_videoLayers[0];
+		gba->video.renderer->disableBG[1] = !controller->m_videoLayers[1];
+		gba->video.renderer->disableBG[2] = !controller->m_videoLayers[2];
+		gba->video.renderer->disableBG[3] = !controller->m_videoLayers[3];
+		gba->video.renderer->disableOBJ = !controller->m_videoLayers[4];
+		// TODO: Put back fpsTarget
+
+		if (mCoreLoadState(context->core, 0, controller->m_loadStateFlags)) {
+			mCoreDeleteState(context->core, 0);
 		}
-		QMetaObject::invokeMethod(controller, "gameStarted", Q_ARG(GBAThread*, context));
+		QMetaObject::invokeMethod(controller, "gameStarted", Q_ARG(mCoreThread*, context));
 	};
 
-	m_threadContext.cleanCallback = [](GBAThread* context) {
+	m_threadContext.cleanCallback = [](mCoreThread* context) {
 		GameController* controller = static_cast<GameController*>(context->userData);
-		QMetaObject::invokeMethod(controller, "gameStopped", Q_ARG(GBAThread*, context));
+		QMetaObject::invokeMethod(controller, "gameStopped", Q_ARG(mCoreThread*, context));
 	};
 
-	m_threadContext.frameCallback = [](GBAThread* context) {
+	m_threadContext.frameCallback = [](mCoreThread* context) {
 		GameController* controller = static_cast<GameController*>(context->userData);
 		memcpy(controller->m_frontBuffer, controller->m_drawContext, VIDEO_VERTICAL_PIXELS * VIDEO_HORIZONTAL_PIXELS * BYTES_PER_PIXEL);
 		QMetaObject::invokeMethod(controller, "frameAvailable", Q_ARG(const uint32_t*, controller->m_frontBuffer));
 		if (controller->m_pauseAfterFrame.testAndSetAcquire(true, false)) {
-			GBAThreadPauseFromThread(context);
-			QMetaObject::invokeMethod(controller, "gamePaused", Q_ARG(GBAThread*, context));
+			mCoreThreadPauseFromThread(context);
+			QMetaObject::invokeMethod(controller, "gamePaused", Q_ARG(mCoreThread*, context));
 		}
 	};
 
-	m_threadContext.stopCallback = [](GBAThread* context) {
+	/*m_threadContext.stopCallback = [](mCoreThread* context) {
 		if (!context) {
 			return false;
 		}
 		GameController* controller = static_cast<GameController*>(context->userData);
-		if (!GBASaveState(context, context->dirs.state, 0, controller->m_saveStateFlags)) {
+		if (!mCoreSaveState(context->core, 0, controller->m_saveStateFlags)) {
 			return false;
 		}
 		QMetaObject::invokeMethod(controller, "closeGame");
 		return true;
-	};
+	};*/
 
-	m_threadContext.logHandler = [](GBAThread* context, enum GBALogLevel level, const char* format, va_list args) {
+	/*m_threadContext.logHandler = [](mCoreThread* context, enum GBALogLevel level, const char* format, va_list args) {
 		static const char* stubMessage = "Stub software interrupt: %02X";
 		static const char* savestateMessage = "State %i loaded";
 		static const char* savestateFailedMessage = "State %i failed to load";
@@ -192,10 +180,12 @@ GameController::GameController(QObject* parent)
 			QMetaObject::invokeMethod(controller, "statusPosted", Q_ARG(const QString&, message));
 		}
 		QMetaObject::invokeMethod(controller, "postLog", Q_ARG(int, level), Q_ARG(const QString&, message));
-	};
+	};*/
+
+	m_threadContext.userData = this;
 
 	connect(&m_rewindTimer, &QTimer::timeout, [this]() {
-		GBARewind(&m_threadContext, 1);
+		// TODO: Put rewind back
 		emit frameAvailable(m_drawContext);
 		emit rewound(&m_threadContext);
 	});
@@ -204,7 +194,7 @@ GameController::GameController(QObject* parent)
 	m_audioThread->setObjectName("Audio Thread");
 	m_audioThread->start(QThread::TimeCriticalPriority);
 	m_audioProcessor->moveToThread(m_audioThread);
-	connect(this, SIGNAL(gamePaused(GBAThread*)), m_audioProcessor, SLOT(pause()));
+	connect(this, SIGNAL(gamePaused(mCoreThread*)), m_audioProcessor, SLOT(pause()));
 	connect(this, SIGNAL(frameAvailable(const uint32_t*)), this, SLOT(pollEvents()));
 	connect(this, SIGNAL(frameAvailable(const uint32_t*)), this, SLOT(updateAutofire()));
 }
@@ -216,8 +206,6 @@ GameController::~GameController() {
 	clearMultiplayerController();
 	closeGame();
 	GBACheatDeviceDestroy(&m_cheatDevice);
-	mDirectorySetDeinit(&m_threadContext.dirs);
-	delete m_renderer;
 	delete[] m_drawContext;
 	delete[] m_frontBuffer;
 	delete m_backupLoadState;
@@ -241,40 +229,27 @@ void GameController::clearMultiplayerController() {
 }
 
 void GameController::setOverride(const GBACartridgeOverride& override) {
-	m_threadContext.override = override;
-	m_threadContext.hasOverride = true;
+	// TODO: Put back overrides
 }
 
-void GameController::setOptions(const mCoreOptions* opts) {
-	setFrameskip(opts->frameskip);
-	setAudioSync(opts->audioSync);
-	setVideoSync(opts->videoSync);
-	setSkipBIOS(opts->skipBios);
-	setUseBIOS(opts->useBios);
-	setRewind(opts->rewindEnable, opts->rewindBufferCapacity, opts->rewindBufferInterval);
-	setVolume(opts->volume);
-	setMute(opts->mute);
-
+void GameController::setConfig(const mCoreConfig* config) {
+	if (!m_gameOpen) {
+		return;
+	}
 	threadInterrupt();
-	mDirectorySetMapOptions(&m_threadContext.dirs, opts);
-	// TODO: Put back idle optimization
+	mCoreLoadForeignConfig(m_threadContext.core, config);
 	threadContinue();
 }
 
 #ifdef USE_GDB_STUB
 Debugger* GameController::debugger() {
-	return m_threadContext.debugger;
+	// TODO: Put back debugger
+	return nullptr;
 }
 
 void GameController::setDebugger(Debugger* debugger) {
 	threadInterrupt();
-	if (m_threadContext.debugger && GBAThreadIsActive(&m_threadContext)) {
-		GBADetachDebugger(m_threadContext.gba);
-	}
-	m_threadContext.debugger = debugger;
-	if (m_threadContext.debugger && GBAThreadIsActive(&m_threadContext)) {
-		GBAAttachDebugger(m_threadContext.gba, m_threadContext.debugger);
-	}
+	// TODO: Put back debugger
 	threadContinue();
 }
 #endif
@@ -315,28 +290,36 @@ void GameController::openGame(bool biosOnly) {
 		m_threadContext.sync.audioWait = m_audioSync;
 	}
 
-	m_threadContext.bootBios = biosOnly;
-	if (biosOnly) {
-		m_threadContext.fname = nullptr;
-	} else {
-		m_threadContext.fname = strdup(m_fname.toUtf8().constData());
-		GBAThreadLoadROM(&m_threadContext, m_threadContext.fname);
+	m_threadContext.core = GBACoreCreate();
+	m_threadContext.core->init(m_threadContext.core);
+	m_threadContext.core->setVideoBuffer(m_threadContext.core, m_drawContext, VIDEO_HORIZONTAL_PIXELS);
+
+	if (!biosOnly) {
+		mCoreLoadFile(m_threadContext.core, m_fname.toUtf8().constData());
 	}
 
 	if (!m_bios.isNull() && m_useBios) {
-		m_threadContext.bios = VFileDevice::open(m_bios, O_RDONLY);
-	} else {
-		m_threadContext.bios = nullptr;
+		VFile* bios = VFileDevice::open(m_bios, O_RDONLY);
+		if (bios) {
+			// TODO: Lifetime issues?
+			m_threadContext.core->loadBIOS(m_threadContext.core, bios, 0);
+		}
 	}
 
 	if (!m_patch.isNull()) {
-		m_threadContext.patch = VFileDevice::open(m_patch, O_RDONLY);
+		VFile* patch = VFileDevice::open(m_patch, O_RDONLY);
+		if (patch) {
+			m_threadContext.core->loadPatch(m_threadContext.core, patch);
+		}
+		patch->close(patch);
 	}
 
 	m_inputController->recalibrateAxes();
 	memset(m_drawContext, 0xF8, VIDEO_VERTICAL_PIXELS * VIDEO_HORIZONTAL_PIXELS * 4);
 
-	if (!GBAThreadStart(&m_threadContext)) {
+	m_threadContext.core->setAVStream(m_threadContext.core, m_stream);
+
+	if (!mCoreThreadStart(&m_threadContext)) {
 		m_gameOpen = false;
 		emit gameFailed();
 	} else if (m_audioProcessor) {
@@ -360,7 +343,7 @@ void GameController::yankPak() {
 		return;
 	}
 	threadInterrupt();
-	GBAYankROM(m_threadContext.gba);
+	GBAYankROM(static_cast<GBA*>(m_threadContext.core->board));
 	threadContinue();
 }
 
@@ -371,8 +354,7 @@ void GameController::replaceGame(const QString& path) {
 
 	m_fname = path;
 	threadInterrupt();
-	m_threadContext.fname = strdup(m_fname.toLocal8Bit().constData());
-	GBAThreadReplaceROM(&m_threadContext, m_threadContext.fname);
+	mCoreLoadFile(m_threadContext.core, m_fname.toLocal8Bit().constData());
 	threadContinue();
 }
 
@@ -396,7 +378,7 @@ void GameController::importSharkport(const QString& path) {
 		return;
 	}
 	threadInterrupt();
-	GBASavedataImportSharkPort(m_threadContext.gba, vf, false);
+	GBASavedataImportSharkPort(static_cast<GBA*>(m_threadContext.core->board), vf, false);
 	threadContinue();
 	vf->close(vf);
 }
@@ -411,7 +393,7 @@ void GameController::exportSharkport(const QString& path) {
 		return;
 	}
 	threadInterrupt();
-	GBASavedataExportSharkPort(m_threadContext.gba, vf);
+	GBASavedataExportSharkPort(static_cast<GBA*>(m_threadContext.core->board), vf);
 	threadContinue();
 	vf->close(vf);
 }
@@ -423,18 +405,14 @@ void GameController::closeGame() {
 	m_gameOpen = false;
 
 	m_rewindTimer.stop();
-	if (GBAThreadIsPaused(&m_threadContext)) {
-		GBAThreadUnpause(&m_threadContext);
+	if (mCoreThreadIsPaused(&m_threadContext)) {
+		mCoreThreadUnpause(&m_threadContext);
 	}
 	m_audioProcessor->pause();
-	GBAThreadEnd(&m_threadContext);
-	GBAThreadJoin(&m_threadContext);
+	mCoreThreadEnd(&m_threadContext);
+	mCoreThreadJoin(&m_threadContext);
 	// Make sure the event queue clears out before the thread is reused
 	QCoreApplication::processEvents();
-	if (m_threadContext.fname) {
-		free(const_cast<char*>(m_threadContext.fname));
-		m_threadContext.fname = nullptr;
-	}
 
 	m_patch = QString();
 
@@ -445,6 +423,8 @@ void GameController::closeGame() {
 	}
 	GBACheatSetsClear(&m_cheatDevice.cheats);
 
+	m_threadContext.core->deinit(m_threadContext.core);
+
 	m_gameOpen = false;
 	emit gameStopped(&m_threadContext);
 }
@@ -459,17 +439,17 @@ bool GameController::isPaused() {
 	if (!m_gameOpen) {
 		return false;
 	}
-	return GBAThreadIsPaused(&m_threadContext);
+	return mCoreThreadIsPaused(&m_threadContext);
 }
 
 void GameController::setPaused(bool paused) {
-	if (!isLoaded() || m_rewindTimer.isActive() || paused == GBAThreadIsPaused(&m_threadContext)) {
+	if (!isLoaded() || m_rewindTimer.isActive() || paused == mCoreThreadIsPaused(&m_threadContext)) {
 		return;
 	}
 	if (paused) {
 		m_pauseAfterFrame.testAndSetRelaxed(false, true);
 	} else {
-		GBAThreadUnpause(&m_threadContext);
+		mCoreThreadUnpause(&m_threadContext);
 		startAudio();
 		emit gameUnpaused(&m_threadContext);
 	}
@@ -481,7 +461,7 @@ void GameController::reset() {
 	}
 	bool wasPaused = isPaused();
 	setPaused(false);
-	GBAThreadReset(&m_threadContext);
+	mCoreThreadReset(&m_threadContext);
 	if (wasPaused) {
 		setPaused(true);
 	}
@@ -489,13 +469,13 @@ void GameController::reset() {
 
 void GameController::threadInterrupt() {
 	if (m_gameOpen) {
-		GBAThreadInterrupt(&m_threadContext);
+		mCoreThreadInterrupt(&m_threadContext);
 	}
 }
 
 void GameController::threadContinue() {
 	if (m_gameOpen) {
-		GBAThreadContinue(&m_threadContext);
+		mCoreThreadContinue(&m_threadContext);
 	}
 }
 
@@ -511,25 +491,19 @@ void GameController::frameAdvance() {
 void GameController::setRewind(bool enable, int capacity, int interval) {
 	if (m_gameOpen) {
 		threadInterrupt();
-		GBARewindSettingsChanged(&m_threadContext, enable ? capacity : 0, enable ? interval : 0);
+		// TODO: Put back rewind
 		threadContinue();
 	} else {
-		if (enable) {
-			m_threadContext.rewindBufferInterval = interval;
-			m_threadContext.rewindBufferCapacity = capacity;
-		} else {
-			m_threadContext.rewindBufferInterval = 0;
-			m_threadContext.rewindBufferCapacity = 0;
-		}
+		// TODO: Put back rewind
 	}
 }
 
 void GameController::rewind(int states) {
 	threadInterrupt();
 	if (!states) {
-		GBARewindAll(&m_threadContext);
+		// TODO: Put back rewind
 	} else {
-		GBARewind(&m_threadContext, states);
+		// TODO: Put back rewind
 	}
 	threadContinue();
 	emit frameAvailable(m_drawContext);
@@ -544,8 +518,8 @@ void GameController::startRewinding() {
 		return;
 	}
 	m_wasPaused = isPaused();
-	if (!GBAThreadIsPaused(&m_threadContext)) {
-		GBAThreadPause(&m_threadContext);
+	if (!mCoreThreadIsPaused(&m_threadContext)) {
+		mCoreThreadPause(&m_threadContext);
 	}
 	m_rewindTimer.start();
 }
@@ -631,6 +605,7 @@ void GameController::setAudioChannelEnabled(int channel, bool enable) {
 	if (channel > 5 || channel < 0) {
 		return;
 	}
+	GBA* gba = static_cast<GBA*>(m_threadContext.core->board);
 	m_audioChannels[channel] = enable;
 	if (isLoaded()) {
 		switch (channel) {
@@ -638,13 +613,13 @@ void GameController::setAudioChannelEnabled(int channel, bool enable) {
 		case 1:
 		case 2:
 		case 3:
-			m_threadContext.gba->audio.psg.forceDisableCh[channel] = !enable;
+			gba->audio.psg.forceDisableCh[channel] = !enable;
 			break;
 		case 4:
-			m_threadContext.gba->audio.forceDisableChA = !enable;
+			gba->audio.forceDisableChA = !enable;
 			break;
 		case 5:
-			m_threadContext.gba->audio.forceDisableChB = !enable;
+			gba->audio.forceDisableChB = !enable;
 			break;
 		}
 	}
@@ -667,6 +642,7 @@ void GameController::setVideoLayerEnabled(int layer, bool enable) {
 	if (layer > 4 || layer < 0) {
 		return;
 	}
+	GBA* gba = static_cast<GBA*>(m_threadContext.core->board);
 	m_videoLayers[layer] = enable;
 	if (isLoaded()) {
 		switch (layer) {
@@ -674,10 +650,10 @@ void GameController::setVideoLayerEnabled(int layer, bool enable) {
 		case 1:
 		case 2:
 		case 3:
-			m_threadContext.gba->video.renderer->disableBG[layer] = !enable;
+			gba->video.renderer->disableBG[layer] = !enable;
 			break;
 		case 4:
-			m_threadContext.gba->video.renderer->disableOBJ = !enable;
+			gba->video.renderer->disableOBJ = !enable;
 			break;
 		}
 	}
@@ -686,9 +662,9 @@ void GameController::setVideoLayerEnabled(int layer, bool enable) {
 void GameController::setFPSTarget(float fps) {
 	threadInterrupt();
 	m_fpsTarget = fps;
-	m_threadContext.fpsTarget = fps;
+	// TODO: Put back fpsTarget
 	if (m_turbo && m_turboSpeed > 0) {
-		m_threadContext.fpsTarget *= m_turboSpeed;
+		// TODO: Put back fpsTarget
 	}
 	if (m_audioProcessor) {
 		redoSamples(m_audioProcessor->getBufferSamples());
@@ -696,12 +672,6 @@ void GameController::setFPSTarget(float fps) {
 	threadContinue();
 }
 
-void GameController::setSkipBIOS(bool set) {
-	threadInterrupt();
-	m_threadContext.skipBios = set;
-	threadContinue();
-}
-
 void GameController::setUseBIOS(bool use) {
 	if (use == m_useBios) {
 		return;
@@ -714,7 +684,7 @@ void GameController::setUseBIOS(bool use) {
 }
 
 void GameController::loadState(int slot) {
-	if (!m_threadContext.fname) {
+	if (m_fname.isEmpty()) {
 		// We're in the BIOS
 		return;
 	}
@@ -722,13 +692,13 @@ void GameController::loadState(int slot) {
 		m_stateSlot = slot;
 		m_backupSaveState.clear();
 	}
-	GBARunOnThread(&m_threadContext, [](GBAThread* context) {
+	mCoreThreadRunFunction(&m_threadContext, [](mCoreThread* context) {
 		GameController* controller = static_cast<GameController*>(context->userData);
 		if (!controller->m_backupLoadState) {
-			controller->m_backupLoadState = new GBASerializedState;
+			controller->m_backupLoadState = VFileMemChunk(nullptr, 0);
 		}
-		GBASerialize(context->gba, controller->m_backupLoadState);
-		if (GBALoadState(context, context->dirs.state, controller->m_stateSlot, controller->m_loadStateFlags)) {
+		context->core->saveState(context->core, controller->m_backupLoadState, controller->m_saveStateFlags);
+		if (mCoreLoadState(context->core, controller->m_stateSlot, controller->m_loadStateFlags)) {
 			controller->frameAvailable(controller->m_drawContext);
 			controller->stateLoaded(context);
 		}
@@ -736,22 +706,22 @@ void GameController::loadState(int slot) {
 }
 
 void GameController::saveState(int slot) {
-	if (!m_threadContext.fname) {
+	if (m_fname.isEmpty()) {
 		// We're in the BIOS
 		return;
 	}
 	if (slot > 0) {
 		m_stateSlot = slot;
 	}
-	GBARunOnThread(&m_threadContext, [](GBAThread* context) {
+	mCoreThreadRunFunction(&m_threadContext, [](mCoreThread* context) {
 		GameController* controller = static_cast<GameController*>(context->userData);
-		VFile* vf = GBAGetState(context->gba, context->dirs.state, controller->m_stateSlot, false);
+		VFile* vf = mCoreGetState(context->core, controller->m_stateSlot, false);
 		if (vf) {
 			controller->m_backupSaveState.resize(vf->size(vf));
 			vf->read(vf, controller->m_backupSaveState.data(), controller->m_backupSaveState.size());
 			vf->close(vf);
 		}
-		GBASaveState(context, context->dirs.state, controller->m_stateSlot, controller->m_saveStateFlags);
+		mCoreSaveState(context->core, controller->m_stateSlot, controller->m_saveStateFlags);
 	});
 }
 
@@ -760,14 +730,15 @@ void GameController::loadBackupState() {
 		return;
 	}
 
-	GBARunOnThread(&m_threadContext, [](GBAThread* context) {
+	mCoreThreadRunFunction(&m_threadContext, [](mCoreThread* context) {
 		GameController* controller = static_cast<GameController*>(context->userData);
-		if (GBADeserialize(context->gba, controller->m_backupLoadState)) {
-			GBALog(context->gba, GBA_LOG_STATUS, "Undid state load");
+		controller->m_backupLoadState->seek(controller->m_backupLoadState, 0, SEEK_SET);
+		if (context->core->loadState(context->core, controller->m_backupLoadState, controller->m_loadStateFlags)) {
+			mLOG(STATUS, INFO, "Undid state load");
 			controller->frameAvailable(controller->m_drawContext);
 			controller->stateLoaded(context);
 		}
-		delete controller->m_backupLoadState;
+		controller->m_backupLoadState->close(controller->m_backupLoadState);
 		controller->m_backupLoadState = nullptr;
 	});
 }
@@ -777,60 +748,21 @@ void GameController::saveBackupState() {
 		return;
 	}
 
-	GBARunOnThread(&m_threadContext, [](GBAThread* context) {
+	mCoreThreadRunFunction(&m_threadContext, [](mCoreThread* context) {
 		GameController* controller = static_cast<GameController*>(context->userData);
-		VFile* vf = GBAGetState(context->gba, context->dirs.state, controller->m_stateSlot, true);
+		VFile* vf = mCoreGetState(context->core, controller->m_stateSlot, true);
 		if (vf) {
 			vf->write(vf, controller->m_backupSaveState.constData(), controller->m_backupSaveState.size());
 			vf->close(vf);
-			GBALog(context->gba, GBA_LOG_STATUS, "Undid state save");
+			mLOG(STATUS, INFO, "Undid state save");
 		}
 		controller->m_backupSaveState.clear();
 	});
 }
 
-void GameController::setVideoSync(bool set) {
-	m_videoSync = set;
-	if (!m_turbo) {
-		threadInterrupt();
-		m_threadContext.sync.videoFrameWait = set;
-		threadContinue();
-	}
-}
-
-void GameController::setAudioSync(bool set) {
-	m_audioSync = set;
-	if (!m_turbo) {
-		threadInterrupt();
-		m_threadContext.sync.audioWait = set;
-		threadContinue();
-	}
-}
-
-void GameController::setFrameskip(int skip) {
-	threadInterrupt();
-	m_threadContext.frameskip = skip;
-	if (isLoaded()) {
-		m_threadContext.gba->video.frameskip = skip;
-	}
-	threadContinue();
-}
-
-void GameController::setVolume(int volume) {
-	threadInterrupt();
-	m_threadContext.volume = volume;
-	if (isLoaded()) {
-		m_threadContext.gba->audio.masterVolume = volume;
-	}
-	threadContinue();
-}
-
 void GameController::setMute(bool mute) {
 	threadInterrupt();
-	m_threadContext.mute = mute;
-	if (isLoaded()) {
-		m_threadContext.gba->audio.masterVolume = mute ? 0 : m_threadContext.volume;
-	}
+	// TODO: Put back mute
 	threadContinue();
 }
 
@@ -855,15 +787,15 @@ void GameController::setTurboSpeed(float ratio) {
 void GameController::enableTurbo() {
 	threadInterrupt();
 	if (!m_turbo) {
-		m_threadContext.fpsTarget = m_fpsTarget;
+		// TODO: Put back fpsTarget
 		m_threadContext.sync.audioWait = m_audioSync;
 		m_threadContext.sync.videoFrameWait = m_videoSync;
 	} else if (m_turboSpeed <= 0) {
-		m_threadContext.fpsTarget = m_fpsTarget;
+		// TODO: Put back fpsTarget
 		m_threadContext.sync.audioWait = false;
 		m_threadContext.sync.videoFrameWait = false;
 	} else {
-		m_threadContext.fpsTarget = m_fpsTarget * m_turboSpeed;
+		// TODO: Put back fpsTarget
 		m_threadContext.sync.audioWait = true;
 		m_threadContext.sync.videoFrameWait = false;
 	}
@@ -875,25 +807,27 @@ void GameController::enableTurbo() {
 
 void GameController::setAVStream(mAVStream* stream) {
 	threadInterrupt();
-	m_threadContext.stream = stream;
+	m_stream = stream;
 	if (isLoaded()) {
-		m_threadContext.gba->stream = stream;
+		m_threadContext.core->setAVStream(m_threadContext.core, stream);
 	}
 	threadContinue();
 }
 
 void GameController::clearAVStream() {
 	threadInterrupt();
-	m_threadContext.stream = nullptr;
+	m_stream = nullptr;
 	if (isLoaded()) {
-		m_threadContext.gba->stream = nullptr;
+		m_threadContext.core->setAVStream(m_threadContext.core, nullptr);
 	}
 	threadContinue();
 }
 
 #ifdef USE_PNG
 void GameController::screenshot() {
-	GBARunOnThread(&m_threadContext, GBAThreadTakeScreenshot);
+	mCoreThreadRunFunction(&m_threadContext, [](mCoreThread* context) {
+		mCoreTakeScreenshot(context->core);
+	});
 }
 #endif
 
@@ -914,7 +848,7 @@ void GameController::reloadAudioDriver() {
 		m_audioProcessor->requestSampleRate(sampleRate);
 	}
 	m_audioProcessor->moveToThread(m_audioThread);
-	connect(this, SIGNAL(gamePaused(GBAThread*)), m_audioProcessor, SLOT(pause()));
+	connect(this, SIGNAL(gamePaused(mCoreThread*)), m_audioProcessor, SLOT(pause()));
 	if (isLoaded()) {
 		m_audioProcessor->setInput(&m_threadContext);
 		startAudio();
@@ -969,13 +903,15 @@ void GameController::updateKeys() {
 	int activeKeys = m_activeKeys;
 	activeKeys |= m_activeButtons;
 	activeKeys &= ~m_inactiveKeys;
-	m_threadContext.activeKeys = activeKeys;
+	if (isLoaded()) {
+		m_threadContext.core->setKeys(m_threadContext.core, activeKeys);
+	}
 }
 
 void GameController::redoSamples(int samples) {
-	m_threadContext.audioBuffers = samples;
-	if (m_threadContext.gba) {
-		GBAAudioResizeBuffer(&m_threadContext.gba->audio, m_threadContext.audioBuffers);
+	// TODO: Put back audio buffers
+	if (m_threadContext.core) {
+		GBAAudioResizeBuffer(&static_cast<GBA*>(m_threadContext.core->board)->audio, samples);
 	}
 	QMetaObject::invokeMethod(m_audioProcessor, "inputParametersChanged");
 }
diff --git a/src/platform/qt/GameController.h b/src/platform/qt/GameController.h
index 8d7a4ddcd..d7a5294e6 100644
--- a/src/platform/qt/GameController.h
+++ b/src/platform/qt/GameController.h
@@ -16,18 +16,20 @@
 #include <memory>
 
 extern "C" {
+#include "core/thread.h"
 #include "gba/cheats.h"
+#include "gba/context/overrides.h"
 #include "gba/hardware.h"
-#include "gba/supervisor/thread.h"
+#include "gba/input.h"
 #ifdef BUILD_SDL
 #include "sdl-events.h"
 #endif
 }
 
 struct GBAAudio;
-struct mCoreOptions;
-struct GBAVideoSoftwareRenderer;
+struct mCoreConfig;
 struct Configuration;
+struct Debugger;
 
 class QThread;
 
@@ -48,29 +50,28 @@ public:
 	~GameController();
 
 	const uint32_t* drawContext() const { return m_drawContext; }
-	GBAThread* thread() { return &m_threadContext; }
+	mCoreThread* thread() { return &m_threadContext; }
 	GBACheatDevice* cheatDevice() { return &m_cheatDevice; }
 
 	void threadInterrupt();
 	void threadContinue();
 
 	bool isPaused();
-	bool isLoaded() { return m_gameOpen && GBAThreadIsActive(&m_threadContext); }
+	bool isLoaded() { return m_gameOpen && mCoreThreadIsActive(&m_threadContext); }
 
 	bool audioSync() const { return m_audioSync; }
 	bool videoSync() const { return m_videoSync; }
 
 	void setInputController(InputController* controller) { m_inputController = controller; }
-	void setOverrides(Configuration* overrides) { m_threadContext.overrides = overrides; }
 
 	void setMultiplayerController(MultiplayerController* controller);
 	MultiplayerController* multiplayerController() { return m_multiplayer; }
 	void clearMultiplayerController();
 
 	void setOverride(const GBACartridgeOverride& override);
-	void clearOverride() { m_threadContext.hasOverride = false; }
+	void clearOverride() { /* TODO: Put back overrides */ }
 
-	void setOptions(const mCoreOptions*);
+	void setConfig(const mCoreConfig*);
 
 	int stateSlot() const { return m_stateSlot; }
 
@@ -81,14 +82,14 @@ public:
 
 signals:
 	void frameAvailable(const uint32_t*);
-	void gameStarted(GBAThread*);
-	void gameStopped(GBAThread*);
-	void gamePaused(GBAThread*);
-	void gameUnpaused(GBAThread*);
+	void gameStarted(mCoreThread*);
+	void gameStopped(mCoreThread*);
+	void gamePaused(mCoreThread*);
+	void gameUnpaused(mCoreThread*);
 	void gameCrashed(const QString& errorMessage);
 	void gameFailed();
-	void stateLoaded(GBAThread*);
-	void rewound(GBAThread*);
+	void stateLoaded(mCoreThread*);
+	void rewound(mCoreThread*);
 	void unimplementedBiosCall(int);
 
 	void luminanceValueChanged(int);
@@ -101,7 +102,6 @@ public slots:
 	void loadBIOS(const QString& path);
 	void yankPak();
 	void replaceGame(const QString& path);
-	void setSkipBIOS(bool);
 	void setUseBIOS(bool);
 	void loadPatch(const QString& path);
 	void importSharkport(const QString& path);
@@ -129,10 +129,6 @@ public slots:
 	void saveState(int slot = 0);
 	void loadBackupState();
 	void saveBackupState();
-	void setVideoSync(bool);
-	void setAudioSync(bool);
-	void setFrameskip(int);
-	void setVolume(int);
 	void setMute(bool);
 	void setTurbo(bool, bool forced = true);
 	void setTurboSpeed(float ratio = -1);
@@ -174,8 +170,7 @@ private:
 
 	uint32_t* m_drawContext;
 	uint32_t* m_frontBuffer;
-	GBAThread m_threadContext;
-	GBAVideoSoftwareRenderer* m_renderer;
+	mCoreThread m_threadContext;
 	GBACheatDevice m_cheatDevice;
 	int m_activeKeys;
 	int m_activeButtons;
@@ -210,7 +205,7 @@ private:
 	int m_autofireStatus[GBA_KEY_MAX];
 
 	int m_stateSlot;
-	GBASerializedState* m_backupLoadState;
+	struct VFile* m_backupLoadState;
 	QByteArray m_backupSaveState;
 	int m_saveStateFlags;
 	int m_loadStateFlags;
@@ -218,6 +213,8 @@ private:
 	InputController* m_inputController;
 	MultiplayerController* m_multiplayer;
 
+	mAVStream* m_stream;
+
 	struct GameControllerLux : GBALuminanceSource {
 		GameController* p;
 		uint8_t value;
@@ -225,7 +222,7 @@ private:
 	uint8_t m_luxValue;
 	int m_luxLevel;
 
-	GBARTCGenericSource m_rtc;
+	mRTCGenericSource m_rtc;
 };
 
 }
diff --git a/src/platform/qt/IOViewer.cpp b/src/platform/qt/IOViewer.cpp
index e16dac45e..a69c6e731 100644
--- a/src/platform/qt/IOViewer.cpp
+++ b/src/platform/qt/IOViewer.cpp
@@ -1073,7 +1073,7 @@ void IOViewer::updateRegister() {
 	uint16_t value = 0;
 	m_controller->threadInterrupt();
 	if (m_controller->isLoaded()) {
-		value = GBAView16(m_controller->thread()->cpu, BASE_IO | m_register);
+		value = GBAView16(static_cast<ARMCore*>(m_controller->thread()->core->cpu), BASE_IO | m_register);
 	}
 	m_controller->threadContinue();
 
@@ -1096,7 +1096,7 @@ void IOViewer::bitFlipped() {
 void IOViewer::writeback() {
 	m_controller->threadInterrupt();
 	if (m_controller->isLoaded()) {
-		GBAIOWrite(m_controller->thread()->gba, m_register, m_value);
+		GBAIOWrite(static_cast<GBA*>(m_controller->thread()->core->board), m_register, m_value);
 	}
 	m_controller->threadContinue();
 	updateRegister();
diff --git a/src/platform/qt/LoadSaveState.cpp b/src/platform/qt/LoadSaveState.cpp
index af37615a3..85f63f63f 100644
--- a/src/platform/qt/LoadSaveState.cpp
+++ b/src/platform/qt/LoadSaveState.cpp
@@ -169,8 +169,8 @@ bool LoadSaveState::eventFilter(QObject* object, QEvent* event) {
 }
 
 void LoadSaveState::loadState(int slot) {
-	GBAThread* thread = m_controller->thread();
-	VFile* vf = GBAGetState(thread->gba, thread->dirs.state, slot, false);
+	mCoreThread* thread = m_controller->thread();
+	VFile* vf = mCoreGetState(thread->core, slot, 0);
 	if (!vf) {
 		m_slots[slot - 1]->setText(tr("Empty"));
 		return;
diff --git a/src/platform/qt/MemoryModel.cpp b/src/platform/qt/MemoryModel.cpp
index aecde1356..9fe980755 100644
--- a/src/platform/qt/MemoryModel.cpp
+++ b/src/platform/qt/MemoryModel.cpp
@@ -87,7 +87,7 @@ MemoryModel::MemoryModel(QWidget* parent)
 }
 
 void MemoryModel::setController(GameController* controller) {
-	m_cpu = controller->thread()->cpu;
+	m_cpu = static_cast<ARMCore*>(controller->thread()->core->cpu);
 }
 
 void MemoryModel::setRegion(uint32_t base, uint32_t size, const QString& name) {
diff --git a/src/platform/qt/MemoryView.cpp b/src/platform/qt/MemoryView.cpp
index b267ff2ea..14d34ed27 100644
--- a/src/platform/qt/MemoryView.cpp
+++ b/src/platform/qt/MemoryView.cpp
@@ -9,6 +9,7 @@
 #include "GameController.h"
 
 extern "C" {
+#include "core/core.h"
 #include "gba/memory.h"
 }
 
@@ -31,12 +32,12 @@ MemoryView::MemoryView(GameController* controller, QWidget* parent)
 
 	connect(m_ui.hexfield, SIGNAL(selectionChanged(uint32_t, uint32_t)), this, SLOT(updateSelection(uint32_t, uint32_t)));
 
-	connect(controller, SIGNAL(gameStopped(GBAThread*)), this, SLOT(close()));
+	connect(controller, SIGNAL(gameStopped(mCoreThread*)), this, SLOT(close()));
 
 	connect(controller, SIGNAL(frameAvailable(const uint32_t*)), this, SLOT(update()));
-	connect(controller, SIGNAL(gamePaused(GBAThread*)), this, SLOT(update()));
-	connect(controller, SIGNAL(stateLoaded(GBAThread*)), this, SLOT(update()));
-	connect(controller, SIGNAL(rewound(GBAThread*)), this, SLOT(update()));
+	connect(controller, SIGNAL(gamePaused(mCoreThread*)), this, SLOT(update()));
+	connect(controller, SIGNAL(stateLoaded(mCoreThread*)), this, SLOT(update()));
+	connect(controller, SIGNAL(rewound(mCoreThread*)), this, SLOT(update()));
 }
 
 void MemoryView::setIndex(int index) {
@@ -83,7 +84,7 @@ void MemoryView::updateStatus() {
 	if (!m_controller->isLoaded()) {
 		return;
 	}
-	ARMCore* cpu = m_controller->thread()->cpu;
+	ARMCore* cpu = static_cast<ARMCore*>(m_controller->thread()->core->cpu);
 	union {
 		uint32_t u32;
 		int32_t i32;
diff --git a/src/platform/qt/MultiplayerController.cpp b/src/platform/qt/MultiplayerController.cpp
index a213bc55b..e9f13fd2e 100644
--- a/src/platform/qt/MultiplayerController.cpp
+++ b/src/platform/qt/MultiplayerController.cpp
@@ -29,13 +29,13 @@ bool MultiplayerController::attachGame(GameController* controller) {
 	MutexUnlock(&m_lockstep.mutex);
 
 	controller->threadInterrupt();
-	GBAThread* thread = controller->thread();
-	if (controller->isLoaded()) {
+	mCoreThread* thread = controller->thread();
+	/*if (controller->isLoaded()) {
 		GBASIOSetDriver(&thread->gba->sio, &node->d, SIO_MULTI);
 		GBASIOSetDriver(&thread->gba->sio, &node->d, SIO_NORMAL_32);
 	}
 	thread->sioDrivers.multiplayer = &node->d;
-	thread->sioDrivers.normal = &node->d;
+	thread->sioDrivers.normal = &node->d;*/
 	controller->threadContinue();
 	emit gameAttached();
 	return true;
@@ -44,8 +44,8 @@ bool MultiplayerController::attachGame(GameController* controller) {
 void MultiplayerController::detachGame(GameController* controller) {
 	controller->threadInterrupt();
 	MutexLock(&m_lockstep.mutex);
-	GBAThread* thread = nullptr;
-	for (int i = 0; i < m_lockstep.attached; ++i) {
+	mCoreThread* thread = nullptr;
+	/*for (int i = 0; i < m_lockstep.attached; ++i) {
 		thread = controller->thread();
 		if (thread->sioDrivers.multiplayer == &m_lockstep.players[i]->d) {
 			break;
@@ -62,7 +62,7 @@ void MultiplayerController::detachGame(GameController* controller) {
 		thread->sioDrivers.normal = nullptr;
 		GBASIOLockstepDetachNode(&m_lockstep, node);
 		delete node;
-	}
+	}*/
 	MutexUnlock(&m_lockstep.mutex);
 	controller->threadContinue();
 	emit gameDetached();
@@ -72,11 +72,11 @@ int MultiplayerController::playerId(GameController* controller) {
 	MutexLock(&m_lockstep.mutex);
 	int id = -1;
 	for (int i = 0; i < m_lockstep.attached; ++i) {
-		GBAThread* thread = controller->thread();
-		if (thread->sioDrivers.multiplayer == &m_lockstep.players[i]->d) {
+		mCoreThread* thread = controller->thread();
+		/*if (thread->sioDrivers.multiplayer == &m_lockstep.players[i]->d) {
 			id = i;
 			break;
-		}
+		}*/
 	}
 	MutexUnlock(&m_lockstep.mutex);
 	return id;
diff --git a/src/platform/qt/OverrideView.cpp b/src/platform/qt/OverrideView.cpp
index 35c3ab074..984e5094c 100644
--- a/src/platform/qt/OverrideView.cpp
+++ b/src/platform/qt/OverrideView.cpp
@@ -21,8 +21,8 @@ OverrideView::OverrideView(GameController* controller, ConfigController* config,
 {
 	m_ui.setupUi(this);
 
-	connect(controller, SIGNAL(gameStarted(GBAThread*)), this, SLOT(gameStarted(GBAThread*)));
-	connect(controller, SIGNAL(gameStopped(GBAThread*)), this, SLOT(gameStopped()));
+	connect(controller, SIGNAL(gameStarted(mCoreThread*)), this, SLOT(gameStarted(mCoreThread*)));
+	connect(controller, SIGNAL(gameStopped(mCoreThread*)), this, SLOT(gameStopped()));
 
 	connect(m_ui.hwAutodetect, &QAbstractButton::toggled, [this] (bool enabled) {
 		m_ui.hwRTC->setEnabled(!enabled);
@@ -99,12 +99,13 @@ void OverrideView::updateOverrides() {
 	}
 }
 
-void OverrideView::gameStarted(GBAThread* thread) {
-	if (!thread->gba) {
+void OverrideView::gameStarted(mCoreThread* thread) {
+	if (!thread->core) {
 		gameStopped();
 		return;
 	}
-	m_ui.savetype->setCurrentIndex(thread->gba->memory.savedata.type + 1);
+	GBA* gba = static_cast<GBA*>(thread->core->board);
+	m_ui.savetype->setCurrentIndex(gba->memory.savedata.type + 1);
 	m_ui.savetype->setEnabled(false);
 
 	m_ui.hwAutodetect->setEnabled(false);
@@ -114,23 +115,23 @@ void OverrideView::gameStarted(GBAThread* thread) {
 	m_ui.hwTilt->setEnabled(false);
 	m_ui.hwRumble->setEnabled(false);
 
-	m_ui.hwRTC->setChecked(thread->gba->memory.hw.devices & HW_RTC);
-	m_ui.hwGyro->setChecked(thread->gba->memory.hw.devices & HW_GYRO);
-	m_ui.hwLight->setChecked(thread->gba->memory.hw.devices & HW_LIGHT_SENSOR);
-	m_ui.hwTilt->setChecked(thread->gba->memory.hw.devices & HW_TILT);
-	m_ui.hwRumble->setChecked(thread->gba->memory.hw.devices & HW_RUMBLE);
-	m_ui.hwGBPlayer->setChecked(thread->gba->memory.hw.devices & HW_GB_PLAYER_DETECTION);
+	m_ui.hwRTC->setChecked(gba->memory.hw.devices & HW_RTC);
+	m_ui.hwGyro->setChecked(gba->memory.hw.devices & HW_GYRO);
+	m_ui.hwLight->setChecked(gba->memory.hw.devices & HW_LIGHT_SENSOR);
+	m_ui.hwTilt->setChecked(gba->memory.hw.devices & HW_TILT);
+	m_ui.hwRumble->setChecked(gba->memory.hw.devices & HW_RUMBLE);
+	m_ui.hwGBPlayer->setChecked(gba->memory.hw.devices & HW_GB_PLAYER_DETECTION);
 
-	if (thread->gba->idleLoop != IDLE_LOOP_NONE) {
-		m_ui.idleLoop->setText(QString::number(thread->gba->idleLoop, 16));
+	if (gba->idleLoop != IDLE_LOOP_NONE) {
+		m_ui.idleLoop->setText(QString::number(gba->idleLoop, 16));
 	} else {
 		m_ui.idleLoop->clear();
 	}
 
-	GBAGetGameCode(thread->gba, m_override.id);
-	m_override.hardware = thread->gba->memory.hw.devices;
-	m_override.savetype = thread->gba->memory.savedata.type;
-	m_override.idleLoop = thread->gba->idleLoop;
+	GBAGetGameCode(gba, m_override.id);
+	m_override.hardware = gba->memory.hw.devices;
+	m_override.savetype = gba->memory.savedata.type;
+	m_override.idleLoop = gba->idleLoop;
 
 	m_ui.idleLoop->setEnabled(false);
 
diff --git a/src/platform/qt/OverrideView.h b/src/platform/qt/OverrideView.h
index 34ef503ed..babf7a989 100644
--- a/src/platform/qt/OverrideView.h
+++ b/src/platform/qt/OverrideView.h
@@ -14,7 +14,7 @@ extern "C" {
 #include "gba/context/overrides.h"
 }
 
-struct GBAThread;
+struct mCoreThread;
 
 namespace QGBA {
 
@@ -32,7 +32,7 @@ public slots:
 
 private slots:
 	void updateOverrides();
-	void gameStarted(GBAThread*);
+	void gameStarted(mCoreThread*);
 	void gameStopped();
 
 private:
diff --git a/src/platform/qt/PaletteView.cpp b/src/platform/qt/PaletteView.cpp
index 039faef2f..733c70985 100644
--- a/src/platform/qt/PaletteView.cpp
+++ b/src/platform/qt/PaletteView.cpp
@@ -46,14 +46,14 @@ PaletteView::PaletteView(GameController* controller, QWidget* parent)
 	connect(m_ui.exportBG, &QAbstractButton::clicked, [this] () { exportPalette(0, 256); });
 	connect(m_ui.exportOBJ, &QAbstractButton::clicked, [this] () { exportPalette(256, 256); });
 
-	connect(controller, SIGNAL(gameStopped(GBAThread*)), this, SLOT(close()));
+	connect(controller, SIGNAL(gameStopped(mCoreThread*)), this, SLOT(close()));
 }
 
 void PaletteView::updatePalette() {
-	if (!m_controller->thread() || !m_controller->thread()->gba) {
+	if (!m_controller->thread() || !m_controller->thread()->core) {
 		return;
 	}
-	const uint16_t* palette = m_controller->thread()->gba->video.palette;
+	const uint16_t* palette = static_cast<GBA*>(m_controller->thread()->core->board)->video.palette;
 	for (int i = 0; i < 256; ++i) {
 		m_ui.bgGrid->setColor(i, palette[i]);
 		m_ui.objGrid->setColor(i, palette[i + 256]);
@@ -63,7 +63,7 @@ void PaletteView::updatePalette() {
 }
 
 void PaletteView::selectIndex(int index) {
-	uint16_t color = m_controller->thread()->gba->video.palette[index];
+	uint16_t color = static_cast<GBA*>(m_controller->thread()->core->board)->video.palette[index];
 	m_ui.selected->setColor(0, color);
 	uint32_t r = GBA_R5(color);
 	uint32_t g = GBA_G5(color);
@@ -100,9 +100,9 @@ void PaletteView::exportPalette(int start, int length) {
 	}
 	QString filter = dialog->selectedNameFilter();
 	if (filter.contains("*.pal")) {
-		GBAExportPaletteRIFF(vf, length, &m_controller->thread()->gba->video.palette[start]);
+		GBAExportPaletteRIFF(vf, length, &static_cast<GBA*>(m_controller->thread()->core->board)->video.palette[start]);
 	} else if (filter.contains("*.act")) {
-		GBAExportPaletteACT(vf, length, &m_controller->thread()->gba->video.palette[start]);
+		GBAExportPaletteACT(vf, length, &static_cast<GBA*>(m_controller->thread()->core->board)->video.palette[start]);
 	}
 	vf->close(vf);
 	m_controller->threadContinue();
diff --git a/src/platform/qt/ROMInfo.cpp b/src/platform/qt/ROMInfo.cpp
index 10f0fb9f1..b50314b4d 100644
--- a/src/platform/qt/ROMInfo.cpp
+++ b/src/platform/qt/ROMInfo.cpp
@@ -26,7 +26,7 @@ ROMInfo::ROMInfo(GameController* controller, QWidget* parent)
 	const NoIntroDB* db = GBAApp::app()->gameDB();
 
 	controller->threadInterrupt();
-	GBA* gba = controller->thread()->gba;
+	GBA* gba = static_cast<GBA*>(controller->thread()->core->board);
 	char title[13] = {};
 	GBAGetGameCode(gba, title);
 	m_ui.id->setText(QLatin1String(title));
diff --git a/src/platform/qt/SensorView.cpp b/src/platform/qt/SensorView.cpp
index f6341e74c..12420d474 100644
--- a/src/platform/qt/SensorView.cpp
+++ b/src/platform/qt/SensorView.cpp
@@ -9,6 +9,11 @@
 #include "GamepadAxisEvent.h"
 #include "InputController.h"
 
+extern "C" {
+#include "core/core.h"
+#include "gba/gba.h"
+}
+
 using namespace QGBA;
 
 SensorView::SensorView(GameController* controller, InputController* input, QWidget* parent)
@@ -105,7 +110,7 @@ bool SensorView::eventFilter(QObject*, QEvent* event) {
 void SensorView::updateSensors() {
 	m_controller->threadInterrupt();
 	if (m_rotation->sample &&
-	    (!m_controller->isLoaded() || !(m_controller->thread()->gba->memory.hw.devices & (HW_GYRO | HW_TILT)))) {
+	    (!m_controller->isLoaded() || !(static_cast<GBA*>(m_controller->thread()->core->board)->memory.hw.devices & (HW_GYRO | HW_TILT)))) {
 		m_rotation->sample(m_rotation);
 		m_rotation->sample(m_rotation);
 		m_rotation->sample(m_rotation);
diff --git a/src/platform/qt/Window.cpp b/src/platform/qt/Window.cpp
index 9930e833e..801046f31 100644
--- a/src/platform/qt/Window.cpp
+++ b/src/platform/qt/Window.cpp
@@ -79,7 +79,6 @@ Window::Window(ConfigController* config, int playerId, QWidget* parent)
 	setAttribute(Qt::WA_DeleteOnClose);
 	m_controller = new GameController(this);
 	m_controller->setInputController(&m_inputController);
-	m_controller->setOverrides(m_config->overrides());
 	updateTitle();
 
 	m_display = Display::create(this);
@@ -95,13 +94,13 @@ Window::Window(ConfigController* config, int playerId, QWidget* parent)
 	m_screenWidget->setLockAspectRatio(m_logo.width(), m_logo.height());
 	setCentralWidget(m_screenWidget);
 
-	connect(m_controller, SIGNAL(gameStarted(GBAThread*)), this, SLOT(gameStarted(GBAThread*)));
-	connect(m_controller, SIGNAL(gameStarted(GBAThread*)), &m_inputController, SLOT(suspendScreensaver()));
-	connect(m_controller, SIGNAL(gameStopped(GBAThread*)), m_display, SLOT(stopDrawing()));
-	connect(m_controller, SIGNAL(gameStopped(GBAThread*)), this, SLOT(gameStopped()));
-	connect(m_controller, SIGNAL(gameStopped(GBAThread*)), &m_inputController, SLOT(resumeScreensaver()));
-	connect(m_controller, SIGNAL(stateLoaded(GBAThread*)), m_display, SLOT(forceDraw()));
-	connect(m_controller, SIGNAL(rewound(GBAThread*)), m_display, SLOT(forceDraw()));
+	connect(m_controller, SIGNAL(gameStarted(mCoreThread*)), this, SLOT(gameStarted(mCoreThread*)));
+	connect(m_controller, SIGNAL(gameStarted(mCoreThread*)), &m_inputController, SLOT(suspendScreensaver()));
+	connect(m_controller, SIGNAL(gameStopped(mCoreThread*)), m_display, SLOT(stopDrawing()));
+	connect(m_controller, SIGNAL(gameStopped(mCoreThread*)), this, SLOT(gameStopped()));
+	connect(m_controller, SIGNAL(gameStopped(mCoreThread*)), &m_inputController, SLOT(resumeScreensaver()));
+	connect(m_controller, SIGNAL(stateLoaded(mCoreThread*)), m_display, SLOT(forceDraw()));
+	connect(m_controller, SIGNAL(rewound(mCoreThread*)), m_display, SLOT(forceDraw()));
 	connect(m_controller, &GameController::gamePaused, [this]() {
 		QImage currentImage(reinterpret_cast<const uchar*>(m_controller->drawContext()), VIDEO_HORIZONTAL_PIXELS,
 		                    VIDEO_VERTICAL_PIXELS, VIDEO_HORIZONTAL_PIXELS * BYTES_PER_PIXEL, QImage::Format_RGBX8888);
@@ -110,18 +109,18 @@ Window::Window(ConfigController* config, int playerId, QWidget* parent)
 		m_screenWidget->setPixmap(pixmap);
 		m_screenWidget->setLockAspectRatio(3, 2);
 	});
-	connect(m_controller, SIGNAL(gamePaused(GBAThread*)), m_display, SLOT(pauseDrawing()));
+	connect(m_controller, SIGNAL(gamePaused(mCoreThread*)), m_display, SLOT(pauseDrawing()));
 #ifndef Q_OS_MAC
-	connect(m_controller, SIGNAL(gamePaused(GBAThread*)), menuBar(), SLOT(show()));
+	connect(m_controller, SIGNAL(gamePaused(mCoreThread*)), menuBar(), SLOT(show()));
 	connect(m_controller, &GameController::gameUnpaused, [this]() {
 		if(isFullScreen()) {
 			menuBar()->hide();
 		}
 	});
 #endif
-	connect(m_controller, SIGNAL(gamePaused(GBAThread*)), &m_inputController, SLOT(resumeScreensaver()));
-	connect(m_controller, SIGNAL(gameUnpaused(GBAThread*)), m_display, SLOT(unpauseDrawing()));
-	connect(m_controller, SIGNAL(gameUnpaused(GBAThread*)), &m_inputController, SLOT(suspendScreensaver()));
+	connect(m_controller, SIGNAL(gamePaused(mCoreThread*)), &m_inputController, SLOT(resumeScreensaver()));
+	connect(m_controller, SIGNAL(gameUnpaused(mCoreThread*)), m_display, SLOT(unpauseDrawing()));
+	connect(m_controller, SIGNAL(gameUnpaused(mCoreThread*)), &m_inputController, SLOT(suspendScreensaver()));
 	connect(m_controller, SIGNAL(postLog(int, const QString&)), &m_log, SLOT(postLog(int, const QString&)));
 	connect(m_controller, SIGNAL(frameAvailable(const uint32_t*)), this, SLOT(recordFrame()));
 	connect(m_controller, SIGNAL(frameAvailable(const uint32_t*)), m_display, SLOT(framePosted(const uint32_t*)));
@@ -132,7 +131,7 @@ Window::Window(ConfigController* config, int playerId, QWidget* parent)
 	connect(&m_log, SIGNAL(levelsSet(int)), m_controller, SLOT(setLogLevel(int)));
 	connect(&m_log, SIGNAL(levelsEnabled(int)), m_controller, SLOT(enableLogLevel(int)));
 	connect(&m_log, SIGNAL(levelsDisabled(int)), m_controller, SLOT(disableLogLevel(int)));
-	connect(this, SIGNAL(startDrawing(GBAThread*)), m_display, SLOT(startDrawing(GBAThread*)), Qt::QueuedConnection);
+	connect(this, SIGNAL(startDrawing(mCoreThread*)), m_display, SLOT(startDrawing(mCoreThread*)), Qt::QueuedConnection);
 	connect(this, SIGNAL(shutdown()), m_display, SLOT(stopDrawing()));
 	connect(this, SIGNAL(shutdown()), m_controller, SLOT(closeGame()));
 	connect(this, SIGNAL(shutdown()), m_logView, SLOT(hide()));
@@ -254,7 +253,7 @@ void Window::reloadConfig() {
 		m_controller->setLoadStateExtdata(flags);
 	}
 
-	m_controller->setOptions(opts);
+	m_controller->setConfig(m_config->config());
 	m_display->lockAspectRatio(opts->lockAspectRatio);
 	m_display->filter(opts->resampleVideo);
 
@@ -418,8 +417,8 @@ void Window::openVideoWindow() {
 		m_videoView = new VideoView();
 		connect(m_videoView, SIGNAL(recordingStarted(mAVStream*)), m_controller, SLOT(setAVStream(mAVStream*)));
 		connect(m_videoView, SIGNAL(recordingStopped()), m_controller, SLOT(clearAVStream()), Qt::DirectConnection);
-		connect(m_controller, SIGNAL(gameStopped(GBAThread*)), m_videoView, SLOT(stopRecording()));
-		connect(m_controller, SIGNAL(gameStopped(GBAThread*)), m_videoView, SLOT(close()));
+		connect(m_controller, SIGNAL(gameStopped(mCoreThread*)), m_videoView, SLOT(stopRecording()));
+		connect(m_controller, SIGNAL(gameStopped(mCoreThread*)), m_videoView, SLOT(close()));
 		connect(this, SIGNAL(shutdown()), m_videoView, SLOT(close()));
 	}
 	m_videoView->show();
@@ -432,8 +431,8 @@ void Window::openGIFWindow() {
 		m_gifView = new GIFView();
 		connect(m_gifView, SIGNAL(recordingStarted(mAVStream*)), m_controller, SLOT(setAVStream(mAVStream*)));
 		connect(m_gifView, SIGNAL(recordingStopped()), m_controller, SLOT(clearAVStream()), Qt::DirectConnection);
-		connect(m_controller, SIGNAL(gameStopped(GBAThread*)), m_gifView, SLOT(stopRecording()));
-		connect(m_controller, SIGNAL(gameStopped(GBAThread*)), m_gifView, SLOT(close()));
+		connect(m_controller, SIGNAL(gameStopped(mCoreThread*)), m_gifView, SLOT(stopRecording()));
+		connect(m_controller, SIGNAL(gameStopped(mCoreThread*)), m_gifView, SLOT(close()));
 		connect(this, SIGNAL(shutdown()), m_gifView, SLOT(close()));
 	}
 	m_gifView->show();
@@ -597,7 +596,7 @@ void Window::toggleFullScreen() {
 	}
 }
 
-void Window::gameStarted(GBAThread* context) {
+void Window::gameStarted(mCoreThread* context) {
 	char title[13] = { '\0' };
 	MutexLock(&context->stateMutex);
 	if (context->state < THREAD_EXITING) {
@@ -611,10 +610,10 @@ void Window::gameStarted(GBAThread* context) {
 		action->setDisabled(false);
 	}
 	multiplayerChanged();
-	if (context->fname) {
+	/*if (context->fname) {
 		setWindowFilePath(context->fname);
 		appendMRU(context->fname);
-	}
+	}*/
 	updateTitle();
 	attachWidget(m_display);
 
@@ -716,11 +715,11 @@ void Window::updateTitle(float fps) {
 	if (m_controller->isLoaded()) {
 		const NoIntroDB* db = GBAApp::app()->gameDB();
 		NoIntroGame game;
-		if (db && NoIntroDBLookupGameByCRC(db, m_controller->thread()->gba->romCrc32, &game)) {
+		if (db && NoIntroDBLookupGameByCRC(db, static_cast<GBA*>(m_controller->thread()->core->board)->romCrc32, &game)) {
 			title = QLatin1String(game.name);
 		} else {
 			char gameTitle[13] = { '\0' };
-			GBAGetGameTitle(m_controller->thread()->gba, gameTitle);
+			GBAGetGameTitle(static_cast<GBA*>(m_controller->thread()->core->board), gameTitle);
 			title = gameTitle;
 		}
 	}
@@ -749,7 +748,7 @@ void Window::openStateWindow(LoadSave ls) {
 	bool wasPaused = m_controller->isPaused();
 	m_stateWindow = new LoadSaveState(m_controller);
 	connect(this, SIGNAL(shutdown()), m_stateWindow, SLOT(close()));
-	connect(m_controller, SIGNAL(gameStopped(GBAThread*)), m_stateWindow, SLOT(close()));
+	connect(m_controller, SIGNAL(gameStopped(mCoreThread*)), m_stateWindow, SLOT(close()));
 	connect(m_stateWindow, &LoadSaveState::closed, [this]() {
 		detachWidget(m_stateWindow);
 		m_stateWindow = nullptr;
@@ -979,14 +978,14 @@ void Window::setupMenu(QMenuBar* menubar) {
 	ConfigOption* videoSync = m_config->addOption("videoSync");
 	videoSync->addBoolean(tr("Sync to &video"), emulationMenu);
 	videoSync->connect([this](const QVariant& value) {
-		m_controller->setVideoSync(value.toBool());
+		reloadConfig();
 	}, this);
 	m_config->updateOption("videoSync");
 
 	ConfigOption* audioSync = m_config->addOption("audioSync");
 	audioSync->addBoolean(tr("Sync to &audio"), emulationMenu);
 	audioSync->connect([this](const QVariant& value) {
-		m_controller->setAudioSync(value.toBool());
+		reloadConfig();
 	}, this);
 	m_config->updateOption("audioSync");
 
@@ -1061,7 +1060,7 @@ void Window::setupMenu(QMenuBar* menubar) {
 	QMenu* skipMenu = avMenu->addMenu(tr("Frame&skip"));
 	ConfigOption* skip = m_config->addOption("frameskip");
 	skip->connect([this](const QVariant& value) {
-		m_controller->setFrameskip(value.toInt());
+		reloadConfig();
 	}, this);
 	for (int i = 0; i <= 10; ++i) {
 		skip->addValue(QString::number(i), i, skipMenu);
@@ -1209,12 +1208,12 @@ void Window::setupMenu(QMenuBar* menubar) {
 
 	ConfigOption* skipBios = m_config->addOption("skipBios");
 	skipBios->connect([this](const QVariant& value) {
-		m_controller->setSkipBIOS(value.toBool());
+		reloadConfig();
 	}, this);
 
 	ConfigOption* useBios = m_config->addOption("useBios");
 	useBios->connect([this](const QVariant& value) {
-		m_controller->setUseBIOS(value.toBool());
+		reloadConfig();
 	}, this);
 
 	ConfigOption* buffers = m_config->addOption("audioBuffers");
@@ -1229,7 +1228,7 @@ void Window::setupMenu(QMenuBar* menubar) {
 
 	ConfigOption* volume = m_config->addOption("volume");
 	volume->connect([this](const QVariant& value) {
-		m_controller->setVolume(value.toInt());
+		reloadConfig();
 	}, this);
 
 	ConfigOption* rewindEnable = m_config->addOption("rewindEnable");
diff --git a/src/platform/qt/Window.h b/src/platform/qt/Window.h
index f5bad530f..c66682780 100644
--- a/src/platform/qt/Window.h
+++ b/src/platform/qt/Window.h
@@ -50,7 +50,7 @@ public:
 	void resizeFrame(int width, int height);
 
 signals:
-	void startDrawing(GBAThread*);
+	void startDrawing(mCoreThread*);
 	void shutdown();
 	void audioBufferSamplesChanged(int samples);
 	void sampleRateChanged(unsigned samples);
@@ -111,7 +111,7 @@ protected:
 	virtual void mouseDoubleClickEvent(QMouseEvent*) override;
 
 private slots:
-	void gameStarted(GBAThread*);
+	void gameStarted(mCoreThread*);
 	void gameStopped();
 	void gameCrashed(const QString&);
 	void gameFailed();
diff --git a/src/platform/sdl/main.c b/src/platform/sdl/main.c
index a3e020708..1ee56b682 100644
--- a/src/platform/sdl/main.c
+++ b/src/platform/sdl/main.c
@@ -196,7 +196,7 @@ int mSDLRun(struct mSDLRenderer* renderer, struct mArguments* args) {
 		return 1;
 	}
 	mCoreAutoloadSave(renderer->core);
-	// TODO: Create debugger
+	// TODO: Put back debugger
 
 	if (args->patch) {
 		struct VFile* patch = VFileOpen(args->patch, O_RDONLY);