@@ -3,15 +3,22 @@ if [ $TRAVIS_OS_NAME = "osx" ]; then
 	brew update
 	brew install qt5 ffmpeg imagemagick sdl2 libzip libpng
 	if [ "$CC" == "gcc" ]; then
-		brew install gcc@4.9
-		export CC=gcc-4.9
-		export CXX=g++-4.9
+		brew install gcc@5
+		export CC=gcc-5
+		export CXX=g++-5
 	fi
 else
 	sudo apt-get clean
+	sudo add-apt-repository -y ppa:george-edison55/cmake-3.x
+	sudo add-apt-repository -y ppa:ubuntu-toolchain-r/test
 	sudo apt-get update
 	sudo apt-get install -y -q cmake libedit-dev libmagickwand-dev \
 		libpng-dev libsdl2-dev libzip-dev qtbase5-dev \
 		libqt5opengl5-dev qtmultimedia5-dev libavcodec-dev \
 		libavutil-dev libavformat-dev libavresample-dev libswscale-dev
+	if [ "$CC" == "gcc" ]; then
+		sudo apt-get install -y -q gcc-5 g++-5
+		export CC=gcc-5
+		export CXX=g++-5
+	fi
 fi

@@ -4,9 +4,6 @@ matrix:
   include:
     - os: linux
       dist: trusty
-      compiler: clang
-    - os: linux
-      dist: trusty
       compiler: gcc
     - os: osx
       compiler: clang
@@ -16,4 +13,4 @@
 before_install:
   - source ./.travis-deps.sh
 
-script: mkdir build && cd build && cmake -DCMAKE_PREFIX_PATH=/usr/local/opt/qt5 .. && make
+script: mkdir build && cd build && cmake -DCMAKE_PREFIX_PATH=/usr/local/opt/qt5 .. && make -j2

@@ -1,12 +1,19 @@
 0.7.0: (Future)
+Features:
+ - ELF support
 Bugfixes:
  - GB Audio: Make audio unsigned with bias (fixes mgba.io/i/749)
+ - Python: Fix importing .gb or .gba before .core
+ - GBA: Reset active region as needed when loading a ROM
+ - Qt: Fix command line debugger closing second game
 Misc:
  - GBA Timer: Use global cycles for timers
  - GBA: Extend oddly-sized ROMs to full address space (fixes mgba.io/i/722)
  - All: Make FIXED_ROM_BUFFER an option instead of 3DS-only
+ - Qt: Don't rebuild library view if style hasn't changed
+ - Qt: Redo GameController into multiple classes
 
-0.6.0: (Future)
+0.6.0: (2017-07-16)
 Features:
  - Library view
  - Sprite viewer
@@ -181,6 +188,8 @@ - Qt: Fix shader selector on Ubuntu (fixes mgba.io/i/767)
  - Core: Fix rewinding getting out of sync (fixes mgba.io/i/791)
  - Qt: Fix GL-less build
  - Qt: Fix Software renderer not handling alpha bits properly
+ - Qt: Fix screen background improperly stretching
+ - SDL: Fix cheats not loading
 Misc:
  - GB Serialize: Add MBC state serialization
  - GBA Memory: Call crash callbacks regardless of if hard crash is enabled

@@ -1,4 +1,4 @@
-cmake_minimum_required(VERSION 2.8.11)
+cmake_minimum_required(VERSION 3.1)
 project(mGBA)
 set(BINARY_NAME mgba CACHE INTERNAL "Name of output binaries")
 if(NOT MSVC)
@@ -16,6 +16,7 @@ set(USE_PNG ON CACHE BOOL "Whether or not to enable PNG support")
 set(USE_LIBZIP ON CACHE BOOL "Whether or not to enable LIBZIP support")
 set(USE_MAGICK ON CACHE BOOL "Whether or not to enable ImageMagick support")
 set(USE_SQLITE3 ON CACHE BOOL "Whether or not to enable SQLite3 support")
+set(USE_ELF ON CACHE BOOL "Whether or not to enable ELF support")
 set(M_CORE_GBA ON CACHE BOOL "Build Game Boy Advance core")
 set(M_CORE_GB ON CACHE BOOL "Build Game Boy core")
 set(USE_LZMA ON CACHE BOOL "Whether or not to enable 7-Zip support")
@@ -256,7 +257,7 @@ set(USE_DEBUGGERS OFF)
 	set(USE_SQLITE3 OFF)
 endif()
 
-if(DEFINED 3DS OR DEFINED WII)
+if(DEFINED 3DS)
 	add_definitions(-DFIXED_ROM_BUFFER)
 endif()
 
@@ -397,6 +398,7 @@ find_feature(USE_MAGICK "MagickWand")
 find_feature(USE_EPOXY "epoxy")
 find_feature(USE_CMOCKA "cmocka")
 find_feature(USE_SQLITE3 "sqlite3")
+find_feature(USE_ELF "libelf")
 find_feature(ENABLE_PYTHON "PythonLibs")
 
 # Features
@@ -602,6 +604,17 @@ set(CPACK_DEBIAN_PACKAGE_DEPENDS "${CPACK_DEBIAN_PACKAGE_DEPENDS},libsqlite3-0")
 	list(APPEND FEATURE_SRC "${CMAKE_CURRENT_SOURCE_DIR}/src/feature/sqlite3/no-intro.c")
 endif()
 
+if(USE_ELF)
+	list(APPEND FEATURES ELF)
+	include_directories(AFTER ${LIBELF_INCLUDE_DIRS})
+	find_file(ELF_REPL_H elf_repl.h PATHS ${LIBELF_INCLUDE_DIRS} NO_CMAKE_FIND_ROOT_PATH)
+	if (ELF_REPL_H)
+		add_definitions(-DUSE_ELF_REPL)
+	endif()
+	list(APPEND DEPENDENCY_LIB ${LIBELF_LIBRARIES})
+	set(CPACK_DEBIAN_PACKAGE_DEPENDS "${CPACK_DEBIAN_PACKAGE_DEPENDS},libelfg0")
+endif()
+
 if(ENABLE_SCRIPTING)
 	list(APPEND ENABLES SCRIPTING)
 
@@ -935,6 +948,7 @@ message(STATUS "	Screenshot/advanced savestate support: ${USE_PNG}")
 	message(STATUS "	ZIP support: ${SUMMARY_ZIP}")
 	message(STATUS "	7-Zip support: ${USE_LZMA}")
 	message(STATUS "	SQLite3 game database: ${USE_SQLITE3}")
+	message(STATUS "	ELF loading support: ${USE_ELF}")
 	message(STATUS "	OpenGL support: ${SUMMARY_GL}")
 	message(STATUS "Frontends:")
 	message(STATUS "	Qt: ${BUILD_QT}")

@@ -142,6 +142,7 @@ - ffmpeg or libav: for video recording.
 - libzip or zlib: for loading ROMs stored in zip files.
 - ImageMagick: for GIF recording.
 - SQLite3: for game databases.
+- libelf: for ELF loading.
 
 SQLite3, libpng, and zlib are included with the emulator, so they do not need to be externally compiled first.
 

@@ -0,0 +1,51 @@
+/* Copyright (c) 2013-2017 Jeffrey Pfau
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
+#ifndef ELF_READ_H
+#define ELF_READ_H
+
+#include <mgba-util/common.h>
+
+CXX_GUARD_START
+
+#ifdef USE_ELF
+
+#include <libelf.h>
+
+#if USE_ELF_REPL
+#include <elf_repl.h>
+#else
+#include <elf.h>
+#endif
+
+#include <mgba-util/vector.h>
+
+struct ELF;
+struct VFile;
+
+DECLARE_VECTOR(ELFProgramHeaders, Elf32_Phdr);
+DECLARE_VECTOR(ELFSectionHeaders, Elf32_Shdr);
+
+struct ELF* ELFOpen(struct VFile*);
+void ELFClose(struct ELF*);
+
+void* ELFBytes(struct ELF*, size_t* size);
+
+uint16_t ELFMachine(struct ELF*);
+uint32_t ELFEntry(struct ELF*);
+
+void ELFGetProgramHeaders(struct ELF*, struct ELFProgramHeaders*);
+
+size_t ELFFindSection(struct ELF*, const char* name);
+void ELFGetSectionHeaders(struct ELF*, struct ELFSectionHeaders*);
+Elf32_Shdr* ELFGetSectionHeader(struct ELF*, size_t index);
+
+const char* ELFGetString(struct ELF*, size_t section, size_t string);
+
+#endif
+
+CXX_GUARD_END
+
+#endif

@@ -190,6 +190,14 @@ void mCoreLoadForeignConfig(struct mCore* core, const struct mCoreConfig* config);
 
 void mCoreSetRTC(struct mCore* core, struct mRTCSource* rtc);
 
+void* mCoreGetMemoryBlock(struct mCore* core, uint32_t start, size_t* size);
+
+#ifdef USE_ELF
+struct ELF;
+bool mCoreLoadELF(struct mCore* core, struct ELF* elf);
+void mCoreLoadELFSymbols(struct mDebuggerSymbols* symbols, struct ELF*);
+#endif
+
 CXX_GUARD_END
 
 #endif

@@ -24,6 +24,7 @@ void (*deinit)(struct mScriptEngine*);
 	bool (*isScript)(struct mScriptEngine*, const char* name, struct VFile* vf);
 	bool (*loadScript)(struct mScriptEngine*, const char* name, struct VFile* vf);
 	void (*run)(struct mScriptEngine*);
+	bool (*lookupSymbol)(struct mScriptEngine*, const char* name, int32_t* out);
 
 #ifdef USE_DEBUGGERS
 	void (*debuggerEntered)(struct mScriptEngine*, enum mDebuggerEntryReason, struct mDebuggerEntryInfo*);
@@ -43,6 +44,8 @@ #endif
 
 void mScriptBridgeRun(struct mScriptBridge*);
 bool mScriptBridgeLoadScript(struct mScriptBridge*, const char* name);
+
+bool mScriptBridgeLookupSymbol(struct mScriptBridge*, const char* name, int32_t* out);
 
 CXX_GUARD_END
 

@@ -103,6 +103,7 @@ void mCoreThreadWaitFromThread(struct mCoreThread* threadContext);
 void mCoreThreadStopWaiting(struct mCoreThread* threadContext);
 
 void mCoreThreadSetRewinding(struct mCoreThread* threadContext, bool);
+void mCoreThreadRewindParamsChanged(struct mCoreThread* threadContext);
 
 struct mCoreThread* mCoreThreadGet(void);
 struct mLogger* mCoreThreadLogger(void);

@@ -91,6 +91,7 @@ struct mDebugger {
 	struct mCPUComponent d;
 	struct mDebuggerPlatform* platform;
 	enum mDebuggerState state;
+	enum mDebuggerType type;
 	struct mCore* core;
 	struct mScriptBridge* bridge;
 

@@ -168,6 +168,7 @@ void GBALoadBIOS(struct GBA* gba, struct VFile* vf);
 void GBAApplyPatch(struct GBA* gba, struct Patch* patch);
 
 bool GBALoadMB(struct GBA* gba, struct VFile* vf);
+bool GBALoadNull(struct GBA* gba);
 
 bool GBAIsROM(struct VFile* vf);
 bool GBAIsMB(struct VFile* vf);

@@ -8,6 +8,11 @@
 #include <mgba/core/log.h>
 #include <mgba/core/serialize.h>
 #include <mgba-util/vfs.h>
+#include <mgba/internal/debugger/symbols.h>
+
+#ifdef USE_ELF
+#include <mgba-util/elf-read.h>
+#endif
 
 #ifdef M_CORE_GB
 #include <mgba/gb/core.h>
@@ -273,3 +278,67 @@ void mCoreSetRTC(struct mCore* core, struct mRTCSource* rtc) {
 	core->rtc.custom = rtc;
 	core->rtc.override = RTC_CUSTOM_START;
 }
+
+void* mCoreGetMemoryBlock(struct mCore* core, uint32_t start, size_t* size) {
+	const struct mCoreMemoryBlock* blocks;
+	size_t nBlocks = core->listMemoryBlocks(core, &blocks);
+	size_t i;
+	for (i = 0; i < nBlocks; ++i) {
+		if (!(blocks[i].flags & mCORE_MEMORY_MAPPED)) {
+			continue;
+		}
+		if (start < blocks[i].start) {
+			continue;
+		}
+		if (start >= blocks[i].start + blocks[i].size) {
+			continue;
+		}
+		uint8_t* out = core->getMemoryBlock(core, blocks[i].id, size);
+		out += start - blocks[i].start;
+		*size -= start - blocks[i].start;
+		return out;
+	}
+	return NULL;
+}
+
+#ifdef USE_ELF
+bool mCoreLoadELF(struct mCore* core, struct ELF* elf) {
+	struct ELFProgramHeaders ph;
+	ELFProgramHeadersInit(&ph, 0);
+	ELFGetProgramHeaders(elf, &ph);
+	size_t i;
+	for (i = 0; i < ELFProgramHeadersSize(&ph); ++i) {
+		size_t bsize, esize;
+		Elf32_Phdr* phdr = ELFProgramHeadersGetPointer(&ph, i);
+		void* block = mCoreGetMemoryBlock(core, phdr->p_paddr, &bsize);
+		char* bytes = ELFBytes(elf, &esize);
+		if (block && bsize >= phdr->p_filesz && esize >= phdr->p_filesz + phdr->p_offset) {
+			memcpy(block, &bytes[phdr->p_offset], phdr->p_filesz);
+		} else {
+			return false;
+		}
+	}
+	return true;
+}
+
+void mCoreLoadELFSymbols(struct mDebuggerSymbols* symbols, struct ELF* elf) {
+	size_t symIndex = ELFFindSection(elf, ".symtab");
+	size_t names = ELFFindSection(elf, ".strtab");
+	Elf32_Shdr* symHeader = ELFGetSectionHeader(elf, symIndex);
+	char* bytes = ELFBytes(elf, NULL);
+
+	Elf32_Sym* syms = (Elf32_Sym*) &bytes[symHeader->sh_offset];
+	size_t i;
+	for (i = 0; i * sizeof(*syms) < symHeader->sh_size; ++i) {
+		if (!syms[i].st_name || ELF32_ST_TYPE(syms[i].st_info) == STT_FILE) {
+			continue;
+		}
+		const char* name = ELFGetString(elf, names, syms[i].st_name);
+		if (name[0] == '$') {
+			continue;
+		}
+		mDebuggerSymbolAdd(symbols, name, syms[i].st_value, -1);
+	}
+}
+
+#endif

@@ -19,6 +19,9 @@ THREAD_ENTRY _rewindThread(void* context);
 #endif
 
 void mCoreRewindContextInit(struct mCoreRewindContext* context, size_t entries, bool onThread) {
+	if (context->currentState) {
+		return;
+	}
 	mCoreRewindPatchesInit(&context->patchMemory, entries);
 	size_t e;
 	for (e = 0; e < entries; ++e) {
@@ -42,6 +45,9 @@ #endif
 }
 
 void mCoreRewindContextDeinit(struct mCoreRewindContext* context) {
+	if (!context->currentState) {
+		return;
+	}
 #ifndef DISABLE_THREADING
 	if (context->onThread) {
 		MutexLock(&context->mutex);
@@ -55,6 +61,8 @@ }
 #endif
 	context->previousState->close(context->previousState);
 	context->currentState->close(context->currentState);
+	context->previousState = NULL;
+	context->currentState = NULL;
 	size_t s;
 	for (s = 0; s < mCoreRewindPatchesSize(&context->patchMemory); ++s) {
 		deinitPatchFast(mCoreRewindPatchesGetPointer(&context->patchMemory, s));

@@ -19,6 +19,12 @@ struct VFile* vf;
 	bool success;
 };
 
+struct mScriptSymbol {
+	const char* name;
+	int32_t* out;
+	bool success;
+};
+
 static void _seDeinit(void* value) {
 	struct mScriptEngine* se = value;
 	se->deinit(se);
@@ -30,6 +36,15 @@ struct mScriptEngine* se = value;
 	struct mScriptInfo* si = user;
 	if (!si->success && se->isScript(se, si->name, si->vf)) {
 		si->success = se->loadScript(se, si->name, si->vf);
+	}
+}
+
+static void _seLookupSymbol(const char* key, void* value, void* user) {
+	UNUSED(key);
+	struct mScriptEngine* se = value;
+	struct mScriptSymbol* si = user;
+	if (!si->success) {
+		si->success = se->lookupSymbol(se, si->name, si->out);
 	}
 }
 
@@ -111,3 +126,13 @@ HashTableEnumerate(&sb->engines, _seTryLoad, &info);
 	vf->close(vf);
 	return info.success;
 }
+
+bool mScriptBridgeLookupSymbol(struct mScriptBridge* sb, const char* name, int32_t* out) {
+	struct mScriptSymbol info = {
+		.name = name,
+		.out = out,
+		.success = false
+	};
+	HashTableEnumerate(&sb->engines, _seLookupSymbol, &info);
+	return info.success;
+}

@@ -167,10 +167,7 @@ mLogFilterInit(threadContext->logger.d.filter);
 		mLogFilterLoad(threadContext->logger.d.filter, &core->config);
 	}
 
-	if (core->opts.rewindEnable && core->opts.rewindBufferCapacity > 0) {
-		 mCoreRewindContextInit(&threadContext->impl->rewind, core->opts.rewindBufferCapacity, true);
-		 threadContext->impl->rewind.stateFlags = core->opts.rewindSave ? SAVESTATE_SAVEDATA : 0;
-	}
+	mCoreThreadRewindParamsChanged(threadContext);
 
 	_changeState(threadContext->impl, THREAD_RUNNING, true);
 
@@ -252,7 +249,7 @@ return 0;
 }
 
 bool mCoreThreadStart(struct mCoreThread* threadContext) {
-	threadContext->impl = malloc(sizeof(*threadContext->impl));
+	threadContext->impl = calloc(sizeof(*threadContext->impl), 1);
 	threadContext->impl->state = THREAD_INITIALIZED;
 	threadContext->logger.p = threadContext;
 	if (!threadContext->logger.d.log) {
@@ -545,6 +542,16 @@ if (!rewinding && threadContext->impl->state == THREAD_REWINDING) {
 		threadContext->impl->state = THREAD_RUNNING;
 	}
 	MutexUnlock(&threadContext->impl->stateMutex);
+}
+
+void mCoreThreadRewindParamsChanged(struct mCoreThread* threadContext) {
+	struct mCore* core = threadContext->core;
+	if (core->opts.rewindEnable && core->opts.rewindBufferCapacity > 0) {
+		 mCoreRewindContextInit(&threadContext->impl->rewind, core->opts.rewindBufferCapacity, true);
+		 threadContext->impl->rewind.stateFlags = core->opts.rewindSave ? SAVESTATE_SAVEDATA : 0;
+	} else {
+		 mCoreRewindContextDeinit(&threadContext->impl->rewind);
+	}
 }
 
 void mCoreThreadWaitFromThread(struct mCoreThread* threadContext) {

@@ -551,6 +551,11 @@ static void _lookupIdentifier(struct mDebugger* debugger, const char* name, struct CLIDebugVector* dv) {
 	struct CLIDebugger* cliDebugger = (struct CLIDebugger*) debugger;
 	if (cliDebugger->system) {
 		uint32_t value;
+#ifdef ENABLE_SCRIPTING
+		if (debugger->bridge && mScriptBridgeLookupSymbol(debugger->bridge, name, &dv->intValue)) {
+			return;
+		}
+#endif
 		if (debugger->core->symbolTable && mDebuggerSymbolLookup(debugger->core->symbolTable, name, &dv->intValue, &dv->segmentValue)) {
 			return;
 		}
@@ -832,6 +837,7 @@ debugger->d.deinit = _cliDebuggerDeinit;
 	debugger->d.custom = _cliDebuggerCustom;
 	debugger->d.paused = _commandLine;
 	debugger->d.entered = _reportEntry;
+	debugger->d.type = DEBUGGER_CLI;
 
 	debugger->system = NULL;
 	debugger->backend = NULL;

@@ -658,6 +658,7 @@ stub->d.deinit = _gdbStubDeinit;
 	stub->d.paused = _gdbStubWait;
 	stub->d.entered = _gdbStubEntered;
 	stub->d.custom = _gdbStubPoll;
+	stub->d.type = DEBUGGER_GDB;
 	stub->untilPoll = GDB_STUB_INTERVAL;
 	stub->lineAck = GDB_ACK_PENDING;
 	stub->shouldBlock = false;

@@ -8,6 +8,7 @@
 #include <mgba/core/core.h>
 #include <mgba/core/log.h>
 #include <mgba/internal/arm/debugger/debugger.h>
+#include <mgba/internal/debugger/symbols.h>
 #include <mgba/internal/gba/cheats.h>
 #include <mgba/internal/gba/gba.h>
 #include <mgba/internal/gba/io.h>
@@ -20,6 +21,9 @@ #include <mgba/internal/gba/renderers/proxy.h>
 #include <mgba/internal/gba/renderers/video-software.h>
 #include <mgba/internal/gba/savedata.h>
 #include <mgba/internal/gba/serialize.h>
+#ifdef USE_ELF
+#include <mgba-util/elf-read.h>
+#endif
 #include <mgba-util/memory.h>
 #include <mgba-util/patch.h>
 #include <mgba-util/vfs.h>
@@ -315,6 +319,15 @@ }
 }
 
 static bool _GBACoreLoadROM(struct mCore* core, struct VFile* vf) {
+#ifdef USE_ELF
+	struct ELF* elf = ELFOpen(vf);
+	if (elf) {
+		GBALoadNull(core->board);
+		bool success = mCoreLoadELF(core, elf);
+		ELFClose(elf);
+		return success;
+	}
+#endif
 	if (GBAIsMB(vf)) {
 		return GBALoadMB(core->board, vf);
 	}
@@ -704,7 +717,27 @@ core->debugger = NULL;
 }
 
 static void _GBACoreLoadSymbols(struct mCore* core, struct VFile* vf) {
-	// TODO
+#ifdef USE_ELF
+	bool closeAfter = false;
+	core->symbolTable = mDebuggerSymbolTableCreate();
+#if !defined(MINIMAL_CORE) || MINIMAL_CORE < 2
+	if (!vf) {
+		closeAfter = true;
+		vf = mDirectorySetOpenSuffix(&core->dirs, core->dirs.base, ".elf", O_RDONLY);
+	}
+#endif
+	if (!vf) {
+		return;
+	}
+	struct ELF* elf = ELFOpen(vf);
+	if (elf) {
+		mCoreLoadELFSymbols(core->symbolTable, elf);
+		ELFClose(elf);
+	}
+	if (closeAfter) {
+		vf->close(vf);
+	}
+#endif
 }
 #endif
 

@@ -21,6 +21,10 @@ #include <mgba-util/math.h>
 #include <mgba-util/memory.h>
 #include <mgba-util/vfs.h>
 
+#ifdef USE_ELF
+#include <mgba-util/elf-read.h>
+#endif
+
 mLOG_DEFINE_CATEGORY(GBA, "GBA", "gba");
 mLOG_DEFINE_CATEGORY(GBA_DEBUG, "GBA Debug", "gba.debug");
 
@@ -203,6 +207,10 @@ gba->idleDetectionFailures = 0;
 
 	gba->debug = false;
 	memset(gba->debugString, 0, sizeof(gba->debugString));
+
+	if (!gba->romVf && gba->memory.rom) {
+		GBASkipBIOS(gba);
+	}
 }
 
 void GBASkipBIOS(struct GBA* gba) {
@@ -288,6 +296,29 @@ gba->debugger = NULL;
 }
 #endif
 
+bool GBALoadNull(struct GBA* gba) {
+	GBAUnloadROM(gba);
+	gba->romVf = NULL;
+	gba->pristineRomSize = 0;
+	gba->memory.wram = anonymousMemoryMap(SIZE_WORKING_RAM);
+#ifndef FIXED_ROM_BUFFER
+	gba->memory.rom = anonymousMemoryMap(SIZE_CART0);
+#else
+	gba->memory.rom = romBuffer;
+#endif
+	gba->isPristine = false;
+	gba->yankedRomSize = 0;
+	gba->memory.romSize = SIZE_CART0;
+	gba->memory.romMask = SIZE_CART0 - 1;
+	gba->memory.mirroring = false;
+	gba->romCrc32 = 0;
+
+	if (gba->cpu) {
+		gba->cpu->memory.setActiveRegion(gba->cpu, gba->cpu->gprs[ARM_PC]);
+	}
+	return true;
+}
+
 bool GBALoadMB(struct GBA* gba, struct VFile* vf) {
 	GBAUnloadROM(gba);
 	gba->romVf = vf;
@@ -308,6 +339,9 @@ gba->yankedRomSize = 0;
 	gba->memory.romSize = 0;
 	gba->memory.romMask = 0;
 	gba->romCrc32 = doCrc32(gba->memory.wram, gba->pristineRomSize);
+	if (gba->cpu && gba->memory.activeRegion == REGION_WORKING_RAM) {
+		gba->cpu->memory.setActiveRegion(gba->cpu, gba->cpu->gprs[ARM_PC]);
+	}
 	return true;
 }
 
@@ -351,6 +385,9 @@ gba->memory.rom = newRom;
 #endif
 		gba->memory.romSize = SIZE_CART0;
 		gba->isPristine = false;
+	}
+	if (gba->cpu && gba->memory.activeRegion >= REGION_CART0) {
+		gba->cpu->memory.setActiveRegion(gba->cpu, gba->cpu->gprs[ARM_PC]);
 	}
 	// TODO: error check
 	return true;
@@ -479,6 +516,17 @@ gba->debugFlags = GBADebugFlagsClearSend(gba->debugFlags);
 }
 
 bool GBAIsROM(struct VFile* vf) {
+#ifdef USE_ELF
+	struct ELF* elf = ELFOpen(vf);
+	if (elf) {
+		uint32_t entry = ELFEntry(elf);
+		bool isGBA = true;
+		isGBA = isGBA && ELFMachine(elf) == EM_ARM;
+		isGBA = isGBA && (entry == BASE_CART0 || entry == BASE_WORKING_RAM);
+		ELFClose(elf);
+		return isGBA;
+	}
+#endif
 	if (vf->seek(vf, GBA_ROM_MAGIC_OFFSET, SEEK_SET) < 0) {
 		return false;
 	}
@@ -496,6 +544,14 @@ bool GBAIsMB(struct VFile* vf) {
 	if (!GBAIsROM(vf)) {
 		return false;
 	}
+#ifdef USE_ELF
+	struct ELF* elf = ELFOpen(vf);
+	if (elf) {
+		bool isMB = ELFEntry(elf) == BASE_WORKING_RAM;
+		ELFClose(elf);
+		return isMB;
+	}
+#endif
 	if (vf->size(vf) > SIZE_WORKING_RAM) {
 		return false;
 	}

@@ -80,6 +80,8 @@ cpu->memory.activeNonseqCycles16 = 0;
 	gba->memory.biosPrefetch = 0;
 	gba->memory.mirroring = false;
 
+	gba->memory.iwram = anonymousMemoryMap(SIZE_WORKING_IRAM);
+
 	GBADMAInit(gba);
 	GBAVFameInit(&gba->memory.vfame);
 }
@@ -107,9 +109,8 @@ gba->memory.wram = anonymousMemoryMap(SIZE_WORKING_RAM);
 	}
 
 	if (gba->memory.iwram) {
-		mappedMemoryFree(gba->memory.iwram, SIZE_WORKING_IRAM);
+		memset(gba->memory.iwram, 0, SIZE_WORKING_IRAM);
 	}
-	gba->memory.iwram = anonymousMemoryMap(SIZE_WORKING_IRAM);
 
 	memset(gba->memory.io, 0, sizeof(gba->memory.io));
 

@@ -30,7 +30,6 @@ set_source_files_properties(${CMAKE_CURRENT_BINARY_DIR}/lib.c PROPERTIES GENERATED ON)
 
 file(GLOB PYTHON_SRC ${CMAKE_CURRENT_SOURCE_DIR}/*.c)
 add_library(${BINARY_NAME}-pylib STATIC ${CMAKE_CURRENT_BINARY_DIR}/lib.c ${PYTHON_SRC})
-add_dependencies(${BINARY_NAME}-pylib ${CMAKE_CURRENT_SOURCE_DIR}/_builder.py)
 set_target_properties(${BINARY_NAME}-pylib PROPERTIES INCLUDE_DIRECTORIES "${CMAKE_BINARY_DIR};${INCLUDE_DIRECTORIES}")
 set_target_properties(${BINARY_NAME}-pylib PROPERTIES COMPILE_DEFINITIONS "${OS_DEFINES};${FEATURE_DEFINES};${FUNCTION_DEFINES}")
 set(PYTHON_LIBRARY ${BINARY_NAME}-pylib PARENT_SCOPE)

@@ -58,4 +58,5 @@ #include <mgba/internal/gb/renderers/tile-cache.h>
 #endif
 #ifdef USE_DEBUGGERS
 #include <mgba/debugger/debugger.h>
+#include <mgba/internal/debugger/cli-debugger.h>
 #endif

@@ -28,6 +28,7 @@ #include <mgba/core/tile-cache.h>
 #include <mgba/core/version.h>
 #include <mgba/debugger/debugger.h>
 #include <mgba/internal/arm/arm.h>
+#include <mgba/internal/debugger/cli-debugger.h>
 #include <mgba/internal/gba/gba.h>
 #include <mgba/internal/gba/input.h>
 #include <mgba/internal/gba/renderers/tile-cache.h>
@@ -70,17 +71,27 @@ lines.append(line)
 ffi.embedding_api('\n'.join(lines))
 
 ffi.embedding_init_code("""
-    from mgba._pylib import ffi
-    debugger = None
+    from mgba._pylib import ffi, lib
+    symbols = {}
+    globalSyms = {
+        'symbols': symbols
+    }
     pendingCode = []
 
     @ffi.def_extern()
-    def mPythonSetDebugger(_debugger):
-        from mgba.debugger import NativeDebugger
-        global debugger
-        if debugger and debugger._native == _debugger:
+    def mPythonSetDebugger(debugger):
+        from mgba.debugger import NativeDebugger, CLIDebugger
+        oldDebugger = globalSyms.get('debugger')
+        if oldDebugger and oldDebugger._native == debugger:
+            return
+        if oldDebugger and not debugger:
+            del globalSyms['debugger']
             return
-        debugger = _debugger and NativeDebugger(_debugger)
+        if debugger.type == lib.DEBUGGER_CLI:
+            debugger = CLIDebugger(debugger)
+        else:
+            debugger = NativeDebugger(debugger)
+        globalSyms['debugger'] = debugger
 
     @ffi.def_extern()
     def mPythonLoadScript(name, vf):
@@ -99,18 +110,40 @@ @ffi.def_extern()
     def mPythonRunPending():
         global pendingCode
         for code in pendingCode:
-            exec(code)
+            exec(code, globalSyms, {})
         pendingCode = []
 
     @ffi.def_extern()
     def mPythonDebuggerEntered(reason, info):
-        global debugger
+        debugger = globalSyms['debugger']
         if not debugger:
             return
         if info == ffi.NULL:
             info = None
         for cb in debugger._cbs:
             cb(reason, info)
+
+    @ffi.def_extern()
+    def mPythonLookupSymbol(name, outptr):
+        name = ffi.string(name).decode('utf-8')
+        if name not in symbols:
+            return False
+        sym = symbols[name]
+        val = None
+        try:
+            val = int(sym)
+        except:
+            try:
+                val = sym()
+            except:
+                pass
+        if val is None:
+            return False
+        try:
+            outptr[0] = ffi.cast('int32_t', val)
+            return True
+        except:
+            return False
 """)
 
 if __name__ == "__main__":

@@ -21,6 +21,7 @@ static void mPythonScriptEngineDeinit(struct mScriptEngine*);
 static bool mPythonScriptEngineIsScript(struct mScriptEngine*, const char* name, struct VFile* vf);
 static bool mPythonScriptEngineLoadScript(struct mScriptEngine*, const char* name, struct VFile* vf);
 static void mPythonScriptEngineRun(struct mScriptEngine*);
+static bool mPythonScriptEngineLookupSymbol(struct mScriptEngine*, const char* name, int32_t* out);
 
 #ifdef USE_DEBUGGERS
 static void mPythonScriptDebuggerEntered(struct mScriptEngine*, enum mDebuggerEntryReason, struct mDebuggerEntryInfo*);
@@ -39,6 +40,7 @@ engine->d.deinit = mPythonScriptEngineDeinit;
 	engine->d.isScript = mPythonScriptEngineIsScript;
 	engine->d.loadScript = mPythonScriptEngineLoadScript;
 	engine->d.run = mPythonScriptEngineRun;
+	engine->d.lookupSymbol = mPythonScriptEngineLookupSymbol;
 #ifdef USE_DEBUGGERS
 	engine->d.debuggerEntered = mPythonScriptDebuggerEntered;
 #endif
@@ -87,6 +89,11 @@ mPythonSetDebugger(debugger);
 	}
 
 	mPythonRunPending();
+}
+
+bool mPythonScriptEngineLookupSymbol(struct mScriptEngine* se, const char* name, int32_t* out) {
+	struct mPythonScriptEngine* engine = (struct mPythonScriptEngine*) se;
+	return mPythonLookupSymbol(name, out);
 }
 
 #ifdef USE_DEBUGGERS

@@ -4,6 +4,7 @@ struct VFile;
 
 extern bool mPythonLoadScript(const char*, struct VFile*);
 extern void mPythonRunPending();
+extern bool mPythonLookupSymbol(const char* name, int32_t* out);
 
 #ifdef USE_DEBUGGERS
 extern void mPythonSetDebugger(struct mDebugger*);

@@ -91,6 +91,12 @@ for cb in self.sleep:
             cb()
 
 class Core(object):
+    if hasattr(lib, 'PLATFORM_GBA'):
+        PLATFORM_GBA = lib.PLATFORM_GBA
+
+    if hasattr(lib, 'PLATFORM_GB'):
+        PLATFORM_GB = lib.PLATFORM_GB
+
     def __init__(self, native):
         self._core = native
         self._wasReset = False
@@ -117,8 +123,10 @@
     @classmethod
     def _detect(cls, core):
         if hasattr(cls, 'PLATFORM_GBA') and core.platform(core) == cls.PLATFORM_GBA:
+            from .gba import GBA
             return GBA(core)
         if hasattr(cls, 'PLATFORM_GB') and core.platform(core) == cls.PLATFORM_GB:
+            from .gb import GB
             return GB(core)
         return Core(core)
 
@@ -253,12 +261,3 @@ raise NotImplementedError
 
     def isPaused(self):
         raise NotImplementedError
-
-if hasattr(lib, 'PLATFORM_GBA'):
-    from .gba import GBA
-    Core.PLATFORM_GBA = lib.PLATFORM_GBA
-
-if hasattr(lib, 'PLATFORM_GB'):
-    from .gb import GB
-    from .lr35902 import LR35902Core
-    Core.PLATFORM_GB = lib.PLATFORM_GB

@@ -5,6 +5,8 @@ # License, v. 2.0. If a copy of the MPL was not distributed with this
 # file, You can obtain one at http://mozilla.org/MPL/2.0/.
 from ._pylib import ffi, lib
 from .core import IRunner, ICoreOwner, Core
+import io
+import sys
 
 class DebuggerCoreOwner(ICoreOwner):
     def __init__(self, debugger):
@@ -78,3 +80,22 @@ self._native.platform.clearWatchpoint(self._native.platform, address)
 
     def addCallback(self, cb):
         self._cbs.append(cb)
+
+class CLIBackend(object):
+    def __init__(self, backend):
+        self.backend = backend
+
+    def write(self, string):
+        self.backend.printf(string)
+
+class CLIDebugger(NativeDebugger):
+    def __init__(self, native):
+        super(CLIDebugger, self).__init__(native)
+        self._cli = ffi.cast("struct CLIDebugger*", native)
+
+    def printf(self, message, *args, **kwargs):
+        message = message.format(*args, **kwargs)
+        self._cli.backend.printf(ffi.new("char []", b"%s"), ffi.new("char []", message.encode('utf-8')))
+
+    def installPrint(self):
+        sys.stdout = CLIBackend(self)

@@ -5,6 +5,7 @@ * License, v. 2.0. If a copy of the MPL was not distributed with this
  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
 #include "AssetTile.h"
 
+#include "CoreController.h"
 #include "GBAApp.h"
 
 #include <QFontDatabase>
@@ -39,7 +40,7 @@ m_ui.g->setFont(font);
 	m_ui.b->setFont(font);
 }
 
-void AssetTile::setController(GameController* controller) {
+void AssetTile::setController(std::shared_ptr<CoreController> controller) {
 	m_tileCache = controller->tileCache();
 	switch (controller->platform()) {
 #ifdef M_CORE_GBA
@@ -83,7 +84,7 @@ void AssetTile::selectIndex(int index) {
 	m_index = index;
 	const uint16_t* data;
 
-	mTileCacheSetPalette(m_tileCache.get(), m_paletteSet);
+	mTileCacheSetPalette(m_tileCache, m_paletteSet);
 	unsigned bpp = 8 << m_tileCache->bpp;
 	int dispIndex = index;
 	int paletteId = m_paletteId;
@@ -98,7 +99,7 @@ }
 #endif
 		dispIndex -= m_boundary;
 	}
-	data = mTileCacheGetTile(m_tileCache.get(), index, paletteId);
+	data = mTileCacheGetTile(m_tileCache, index, paletteId);
 	m_ui.tileId->setText(QString::number(dispIndex * (1 + m_paletteSet)));
 	m_ui.address->setText(tr("%0%1%2")
 		.arg(m_addressWidth == 4 ? index >= m_boundary : 0)
@@ -112,7 +113,7 @@ }
 
 void AssetTile::selectColor(int index) {
 	const uint16_t* data;
-	mTileCacheSetPalette(m_tileCache.get(), m_paletteSet);
+	mTileCacheSetPalette(m_tileCache, m_paletteSet);
 	unsigned bpp = 8 << m_tileCache->bpp;
 	int paletteId = m_paletteId;
 	// XXX: Do this better
@@ -121,7 +122,7 @@ if (m_index >= m_boundary && m_boundaryBase == (BASE_VRAM | 0x10000)) {
 		paletteId += m_tileCache->count / 2;
 	}
 #endif
-	data = mTileCacheGetTile(m_tileCache.get(), m_index, m_paletteId);
+	data = mTileCacheGetTile(m_tileCache, m_index, m_paletteId);
 	uint16_t color = data[index];
 	m_ui.color->setColor(0, color);
 	m_ui.color->update();

@@ -6,20 +6,22 @@ * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
 #ifndef QGBA_ASSET_TILE
 #define QGBA_ASSET_TILE
 
-#include "GameController.h"
-
 #include "ui_AssetTile.h"
+
+#include <memory>
 
 #include <mgba/core/tile-cache.h>
 
 namespace QGBA {
 
+class CoreController;
+
 class AssetTile : public QGroupBox {
 Q_OBJECT
 
 public:
 	AssetTile(QWidget* parent = nullptr);
-	void setController(GameController*);
+	void setController(std::shared_ptr<CoreController>);
 
 public slots:
 	void setPalette(int);
@@ -30,7 +32,7 @@
 private:
 	Ui::AssetTile m_ui;
 
-	std::shared_ptr<mTileCache> m_tileCache;
+	mTileCache* m_tileCache;
 	int m_paletteId = 0;
 	int m_paletteSet = 0;
 	int m_index = 0;

@@ -5,32 +5,32 @@ * License, v. 2.0. If a copy of the MPL was not distributed with this
  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
 #include "AssetView.h"
 
-#include <QTimer>
+#include "CoreController.h"
 
-#include <mgba/core/tile-cache.h>
+#include <QTimer>
 
 using namespace QGBA;
 
-AssetView::AssetView(GameController* controller, QWidget* parent)
+AssetView::AssetView(std::shared_ptr<CoreController> controller, QWidget* parent)
 	: QWidget(parent)
 	, m_tileCache(controller->tileCache())
 	, m_controller(controller)
 {
 	m_updateTimer.setSingleShot(true);
 	m_updateTimer.setInterval(1);
-	connect(&m_updateTimer, SIGNAL(timeout()), this, SLOT(updateTiles()));
+	connect(&m_updateTimer, &QTimer::timeout, this, static_cast<void(AssetView::*)()>(&AssetView::updateTiles));
 
-	connect(m_controller, &GameController::frameAvailable, &m_updateTimer,
+	connect(controller.get(), &CoreController::frameAvailable, &m_updateTimer,
 	        static_cast<void(QTimer::*)()>(&QTimer::start));
-	connect(m_controller, &GameController::gameStopped, this, &AssetView::close);
-	connect(m_controller, &GameController::gameStopped, &m_updateTimer, &QTimer::stop);
+	connect(controller.get(), &CoreController::stopping, this, &AssetView::close);
+	connect(controller.get(), &CoreController::stopping, &m_updateTimer, &QTimer::stop);
 }
 
-void AssetView::updateTiles(bool force) {
-	if (!m_controller->isLoaded()) {
-		return;
-	}
+void AssetView::updateTiles() {
+	updateTiles(false);
+}
 
+void AssetView::updateTiles(bool force) {
 	switch (m_controller->platform()) {
 #ifdef M_CORE_GBA
 	case PLATFORM_GBA:
@@ -56,7 +56,7 @@ updateTiles(true);
 }
 
 void AssetView::compositeTile(unsigned tileId, void* buffer, size_t stride, size_t x, size_t y, int depth) {
-	const uint8_t* tile = mTileCacheGetRawTile(m_tileCache.get(), tileId);
+	const uint8_t* tile = mTileCacheGetRawTile(m_tileCache, tileId);
 	uint8_t* pixels = static_cast<uint8_t*>(buffer);
 	size_t base = stride * y + x;
 	switch (depth) {

@@ -6,22 +6,28 @@ * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
 #ifndef QGBA_ASSET_VIEW
 #define QGBA_ASSET_VIEW
 
+#include <QTimer>
 #include <QWidget>
 
-#include "GameController.h"
+#include <mgba/core/tile-cache.h>
+
+#include <memory>
 
 namespace QGBA {
+
+class CoreController;
 
 class AssetView : public QWidget {
 Q_OBJECT
 
 public:
-	AssetView(GameController* controller, QWidget* parent = nullptr);
+	AssetView(std::shared_ptr<CoreController> controller, QWidget* parent = nullptr);
 
 	void compositeTile(unsigned tileId, void* image, size_t stride, size_t x, size_t y, int depth = 8);
 
 protected slots:
-	void updateTiles(bool force = false);
+	void updateTiles();
+	void updateTiles(bool force);
 
 protected:
 #ifdef M_CORE_GBA
@@ -34,10 +40,10 @@
 	void resizeEvent(QResizeEvent*) override;
 	void showEvent(QShowEvent*) override;
 
-	const std::shared_ptr<mTileCache> m_tileCache;
+	mTileCache* const m_tileCache;
 
 private:
-	GameController* m_controller;
+	std::shared_ptr<CoreController> m_controller;
 	QTimer m_updateTimer;
 };
 

@@ -47,8 +47,16 @@ : QObject(parent)
 {
 }
 
-void AudioProcessor::setInput(mCoreThread* input) {
+AudioProcessor::~AudioProcessor() {
+	stop();
+}
+
+void AudioProcessor::setInput(std::shared_ptr<CoreController> input) {
 	m_context = input;
+}
+
+void AudioProcessor::stop() {
+	m_context.reset();
 }
 
 void AudioProcessor::setBufferSamples(int samples) {

@@ -7,6 +7,10 @@ #ifndef QGBA_AUDIO_PROCESSOR
 #define QGBA_AUDIO_PROCESSOR
 #include <QObject>
 
+#include <memory>
+
+#include "CoreController.h"
+
 struct mCoreThread;
 
 namespace QGBA {
@@ -28,12 +32,14 @@ static AudioProcessor* create();
 	static void setDriver(Driver driver) { s_driver = driver; }
 
 	AudioProcessor(QObject* parent = nullptr);
+	~AudioProcessor();
 
 	int getBufferSamples() const { return m_samples; }
 	virtual unsigned sampleRate() const = 0;
 
 public slots:
-	virtual void setInput(mCoreThread* input);
+	virtual void setInput(std::shared_ptr<CoreController>);
+	virtual void stop();
 
 	virtual bool start() = 0;
 	virtual void pause() = 0;
@@ -44,10 +50,10 @@
 	virtual void requestSampleRate(unsigned) = 0;
 
 protected:
-	mCoreThread* input() { return m_context; }
+	mCoreThread* input() { return m_context->thread(); }
 
 private:
-	mCoreThread* m_context = nullptr;
+	std::shared_ptr<CoreController> m_context;
 	int m_samples = 2048;
 	static Driver s_driver;
 };

@@ -20,16 +20,24 @@ : AudioProcessor(parent)
 {
 }
 
-void AudioProcessorQt::setInput(mCoreThread* input) {
-	AudioProcessor::setInput(input);
+void AudioProcessorQt::setInput(std::shared_ptr<CoreController> controller) {
+	AudioProcessor::setInput(controller);
 	if (m_device) {
-		m_device->setInput(input);
+		m_device->setInput(input());
 		if (m_audioOutput) {
 			m_device->setFormat(m_audioOutput->format());
 		}
 	}
 }
 
+void AudioProcessorQt::stop() {
+	if (m_device) {
+		m_device.reset();
+	}
+	pause();
+	AudioProcessor::stop();
+}
+
 bool AudioProcessorQt::start() {
 	if (!input()) {
 		LOG(QT, WARN) << tr("Can't start an audio processor without input");
@@ -37,7 +45,7 @@ return false;
 	}
 
 	if (!m_device) {
-		m_device = new AudioDevice(this);
+		m_device = std::make_unique<AudioDevice>(this);
 	}
 
 	if (!m_audioOutput) {
@@ -56,7 +64,7 @@
 	m_device->setInput(input());
 	m_device->setFormat(m_audioOutput->format());
 
-	m_audioOutput->start(m_device);
+	m_audioOutput->start(m_device.get());
 	return m_audioOutput->state() == QAudio::ActiveState;
 }
 

@@ -22,7 +22,8 @@
 	virtual unsigned sampleRate() const override;
 
 public slots:
-	virtual void setInput(mCoreThread* input) override;
+	virtual void setInput(std::shared_ptr<CoreController> input) override;
+	virtual void stop() override;
 	virtual bool start() override;
 	virtual void pause() override;
 
@@ -33,7 +34,7 @@ virtual void requestSampleRate(unsigned) override;
 
 private:
 	QAudioOutput* m_audioOutput = nullptr;
-	AudioDevice* m_device = nullptr;
+	std::unique_ptr<AudioDevice> m_device;
 	unsigned m_sampleRate = 44100;
 };
 

@@ -16,16 +16,17 @@ : AudioProcessor(parent)
 {
 }
 
-AudioProcessorSDL::~AudioProcessorSDL() {
-	mSDLDeinitAudio(&m_audio);
+void AudioProcessorSDL::setInput(std::shared_ptr<CoreController> controller) {
+	AudioProcessor::setInput(controller);
+	if (m_audio.core && input()->core != m_audio.core) {
+		mSDLDeinitAudio(&m_audio);
+		mSDLInitAudio(&m_audio, input());
+	}
 }
 
-void AudioProcessorSDL::setInput(mCoreThread* input) {
-	AudioProcessor::setInput(input);
-	if (m_audio.core && input->core != m_audio.core) {
-		mSDLDeinitAudio(&m_audio);
-		mSDLInitAudio(&m_audio, input);
-	}
+void AudioProcessorSDL::stop() {
+	mSDLDeinitAudio(&m_audio);
+	AudioProcessor::stop();
 }
 
 bool AudioProcessorSDL::start() {
@@ -51,10 +52,12 @@ }
 
 void AudioProcessorSDL::setBufferSamples(int samples) {
 	AudioProcessor::setBufferSamples(samples);
-	m_audio.samples = samples;
-	if (m_audio.core) {
-		mSDLDeinitAudio(&m_audio);
-		mSDLInitAudio(&m_audio, input());
+	if (m_audio.samples != samples) {
+		m_audio.samples = samples;
+		if (m_audio.core) {
+			mSDLDeinitAudio(&m_audio);
+			mSDLInitAudio(&m_audio, input());
+		}
 	}
 }
 
@@ -62,10 +65,12 @@ void AudioProcessorSDL::inputParametersChanged() {
 }
 
 void AudioProcessorSDL::requestSampleRate(unsigned rate) {
-	m_audio.sampleRate = rate;
-	if (m_audio.core) {
-		mSDLDeinitAudio(&m_audio);
-		mSDLInitAudio(&m_audio, input());
+	if (m_audio.sampleRate != rate) {
+		m_audio.sampleRate = rate;
+		if (m_audio.core) {
+			mSDLDeinitAudio(&m_audio);
+			mSDLInitAudio(&m_audio, input());
+		}
 	}
 }
 

@@ -18,12 +18,12 @@ Q_OBJECT
 
 public:
 	AudioProcessorSDL(QObject* parent = nullptr);
-	~AudioProcessorSDL();
 
 	virtual unsigned sampleRate() const override;
 
 public slots:
-	virtual void setInput(mCoreThread* input) override;
+	virtual void setInput(std::shared_ptr<CoreController> input) override;
+	virtual void stop() override;
 	virtual bool start() override;
 	virtual void pause() override;
 

@@ -1,6 +1,6 @@
-if(NOT MSVC)
-	set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -std=c++11")
-endif()
+set(CMAKE_CXX_STANDARD 14)
+set(CMAKE_CXX_STANDARD_REQUIRED ON)
+set(CMAKE_CXX_EXTENSIONS OFF)
 
 if(APPLE)
 	set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -mmacosx-version-min=10.7")
@@ -67,12 +67,13 @@ AudioProcessor.cpp
 	CheatsModel.cpp
 	CheatsView.cpp
 	ConfigController.cpp
+	CoreManager.cpp
+	CoreController.cpp
 	Display.cpp
 	DisplayGL.cpp
 	DisplayQt.cpp
 	GBAApp.cpp
 	GIFView.cpp
-	GameController.cpp
 	GamepadAxisEvent.cpp
 	GamepadButtonEvent.cpp
 	GamepadHatEvent.cpp
@@ -282,7 +283,7 @@ if(APPLE)
 	if(CMAKE_HOST_SYSTEM_NAME STREQUAL "Darwin")
 		get_target_property(QTCOCOA Qt5::QCocoaIntegrationPlugin LOCATION)
 		get_target_property(COREAUDIO Qt5::CoreAudioPlugin LOCATION)
-		get_target_property(BUNDLE_PATH ${BINARY_NAME}-qt LOCATION)
+		set(BUNDLE_PATH ${CMAKE_CURRENT_BINARY_DIR}/${PROJECT_NAME}.app)
 		target_sources(${BINARY_NAME}-qt PRIVATE "${PLUGINS}")
 		set_source_files_properties("${QTCOCOA}" PROPERTIES MACOSX_PACKAGE_LOCATION Contents/PlugIns)
 		set_source_files_properties("${COREAUDIO}" PROPERTIES MACOSX_PACKAGE_LOCATION Contents/PlugIns)

@@ -6,7 +6,7 @@ * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
 #include "CheatsView.h"
 
 #include "GBAApp.h"
-#include "GameController.h"
+#include "CoreController.h"
 
 #include <QClipboard>
 #include <QPushButton>
@@ -21,7 +21,7 @@ #endif
 
 using namespace QGBA;
 
-CheatsView::CheatsView(GameController* controller, QWidget* parent)
+CheatsView::CheatsView(std::shared_ptr<CoreController> controller, QWidget* parent)
 	: QWidget(parent)
 	, m_controller(controller)
 	, m_model(controller->cheatDevice())
@@ -35,8 +35,8 @@ connect(m_ui.load, &QPushButton::clicked, this, &CheatsView::load);
 	connect(m_ui.save, &QPushButton::clicked, this, &CheatsView::save);
 	connect(m_ui.addSet, &QPushButton::clicked, this, &CheatsView::addSet);
 	connect(m_ui.remove, &QPushButton::clicked, this, &CheatsView::removeSet);
-	connect(controller, &GameController::gameStopped, this, &CheatsView::close);
-	connect(controller, &GameController::stateLoaded, &m_model, &CheatsModel::invalidated);
+	connect(controller.get(), &CoreController::stopping, this, &CheatsView::close);
+	connect(controller.get(), &CoreController::stateLoaded, &m_model, &CheatsModel::invalidated);
 
 	QPushButton* add;
 	switch (controller->platform()) {
@@ -123,7 +123,7 @@ }
 }
 
 void CheatsView::addSet() {
-	GameController::Interrupter interrupter(m_controller);
+	CoreController::Interrupter interrupter(m_controller);
 	mCheatSet* set = m_controller->cheatDevice()->createSet(m_controller->cheatDevice(), nullptr);
 	m_model.addSet(set);
 }
@@ -134,7 +134,7 @@ QModelIndexList selection = m_ui.cheatList->selectionModel()->selectedIndexes();
 	if (selection.count() < 1) {
 		return;
 	}
-	GameController::Interrupter interrupter(m_controller);
+	CoreController::Interrupter interrupter(m_controller);
 	for (const QModelIndex& index : selection) {
 		m_model.removeAt(selection[0]);
 	}
@@ -154,7 +154,7 @@
 	if (!set) {
 		return;
 	}
-	m_controller->threadInterrupt();
+	CoreController::Interrupter interrupter(m_controller);
 	if (selection.count() == 0) {
 		m_model.addSet(set);
 		index = m_model.index(m_model.rowCount() - 1, 0, QModelIndex());
@@ -167,6 +167,5 @@ mCheatAddLine(set, string.toUtf8().constData(), codeType);
 		m_model.endAppendRow();
 	}
 	set->refresh(set, m_controller->cheatDevice());
-	m_controller->threadContinue();
 	m_ui.codeEntry->clear();
 }

@@ -9,6 +9,7 @@
 #include <QWidget>
 
 #include <functional>
+#include <memory>
 
 #include "CheatsModel.h"
 
@@ -18,13 +19,13 @@ struct mCheatDevice;
 
 namespace QGBA {
 
-class GameController;
+class CoreController;
 
 class CheatsView : public QWidget {
 Q_OBJECT
 
 public:
-	CheatsView(GameController* controller, QWidget* parent = nullptr);
+	CheatsView(std::shared_ptr<CoreController> controller, QWidget* parent = nullptr);
 
 	virtual bool eventFilter(QObject*, QEvent*) override;
 
@@ -38,7 +39,7 @@ private:
 	void enterCheat(int codeType);
 
 	Ui::CheatsView m_ui;
-	GameController* m_controller;
+	std::shared_ptr<CoreController> m_controller;
 	CheatsModel m_model;
 };
 

@@ -5,7 +5,7 @@ * License, v. 2.0. If a copy of the MPL was not distributed with this
  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
 #include "ConfigController.h"
 
-#include "GameController.h"
+#include "CoreController.h"
 
 #include <QAction>
 #include <QDir>
@@ -98,8 +98,8 @@ m_settings = new QSettings(fileName, QSettings::IniFormat, this);
 
 	mCoreConfigInit(&m_config, PORT);
 
-	m_opts.audioSync = GameController::AUDIO_SYNC;
-	m_opts.videoSync = GameController::VIDEO_SYNC;
+	m_opts.audioSync = CoreController::AUDIO_SYNC;
+	m_opts.videoSync = CoreController::VIDEO_SYNC;
 	m_opts.fpsTarget = 60;
 	m_opts.audioBuffers = 1536;
 	m_opts.sampleRate = 44100;

@@ -0,0 +1,694 @@
+/* Copyright (c) 2013-2017 Jeffrey Pfau
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
+#include "CoreController.h"
+
+#include "ConfigController.h"
+#include "InputController.h"
+#include "LogController.h"
+#include "MultiplayerController.h"
+#include "Override.h"
+
+#include <QDateTime>
+#include <QMutexLocker>
+
+#include <mgba/core/serialize.h>
+#include <mgba/feature/video-logger.h>
+#ifdef M_CORE_GBA
+#include <mgba/internal/gba/gba.h>
+#include <mgba/internal/gba/renderers/tile-cache.h>
+#include <mgba/internal/gba/sharkport.h>
+#endif
+#ifdef M_CORE_GB
+#include <mgba/internal/gb/gb.h>
+#include <mgba/internal/gb/renderers/tile-cache.h>
+#endif
+#include <mgba-util/vfs.h>
+
+using namespace QGBA;
+
+
+CoreController::CoreController(mCore* core, QObject* parent)
+	: QObject(parent)
+	, m_saveStateFlags(SAVESTATE_SCREENSHOT | SAVESTATE_SAVEDATA | SAVESTATE_CHEATS | SAVESTATE_RTC)
+	, m_loadStateFlags(SAVESTATE_SCREENSHOT | SAVESTATE_RTC)
+{
+	m_threadContext.core = core;
+	m_threadContext.userData = this;
+
+	QSize size = screenDimensions();
+	m_buffers[0].resize(size.width() * size.height() * sizeof(color_t));
+	m_buffers[1].resize(size.width() * size.height() * sizeof(color_t));
+	m_activeBuffer = &m_buffers[0];
+
+	m_threadContext.core->setVideoBuffer(m_threadContext.core, reinterpret_cast<color_t*>(m_activeBuffer->data()), size.width());
+
+	m_threadContext.startCallback = [](mCoreThread* context) {
+		CoreController* controller = static_cast<CoreController*>(context->userData);
+		context->core->setPeripheral(context->core, mPERIPH_ROTATION, controller->m_inputController->rotationSource());
+		context->core->setPeripheral(context->core, mPERIPH_RUMBLE, controller->m_inputController->rumble());
+
+		switch (context->core->platform(context->core)) {
+#ifdef M_CORE_GBA
+		case PLATFORM_GBA:
+			context->core->setPeripheral(context->core, mPERIPH_GBA_LUMINANCE, controller->m_inputController->luminance());
+			break;
+#endif
+		default:
+			break;
+		}
+
+		if (controller->m_override) {
+			controller->m_override->identify(context->core);
+			controller->m_override->apply(context->core);
+		}
+
+		if (mCoreLoadState(context->core, 0, controller->m_loadStateFlags)) {
+			mCoreDeleteState(context->core, 0);
+		}
+
+		if (controller->m_multiplayer) {
+			controller->m_multiplayer->attachGame(controller);
+		}
+
+		QMetaObject::invokeMethod(controller, "started");
+	};
+
+	m_threadContext.resetCallback = [](mCoreThread* context) {
+		CoreController* controller = static_cast<CoreController*>(context->userData);
+		for (auto action : controller->m_resetActions) {
+			action();
+		}
+		controller->m_resetActions.clear();
+
+		controller->m_activeBuffer->fill(0xFF);
+		controller->finishFrame();
+	};
+
+	m_threadContext.frameCallback = [](mCoreThread* context) {
+		CoreController* controller = static_cast<CoreController*>(context->userData);
+
+		controller->finishFrame();
+	};
+
+	m_threadContext.cleanCallback = [](mCoreThread* context) {
+		CoreController* controller = static_cast<CoreController*>(context->userData);
+
+		controller->clearMultiplayerController();
+		QMetaObject::invokeMethod(controller, "stopping");
+	};
+
+	m_threadContext.logger.d.log = [](mLogger* logger, int category, enum mLogLevel level, const char* format, va_list args) {
+		mThreadLogger* logContext = reinterpret_cast<mThreadLogger*>(logger);
+		mCoreThread* context = logContext->p;
+
+		static const char* savestateMessage = "State %i loaded";
+		static const char* savestateFailedMessage = "State %i failed to load";
+		static int biosCat = -1;
+		static int statusCat = -1;
+		if (!context) {
+			return;
+		}
+		CoreController* controller = static_cast<CoreController*>(context->userData);
+		QString message;
+		if (biosCat < 0) {
+			biosCat = mLogCategoryById("gba.bios");
+		}
+		if (statusCat < 0) {
+			statusCat = mLogCategoryById("core.status");
+		}
+#ifdef M_CORE_GBA
+		if (level == mLOG_STUB && category == biosCat) {
+			va_list argc;
+			va_copy(argc, args);
+			int immediate = va_arg(argc, int);
+			va_end(argc);
+			QMetaObject::invokeMethod(controller, "unimplementedBiosCall", Q_ARG(int, immediate));
+		} else
+#endif
+		if (category == statusCat) {
+			// Slot 0 is reserved for suspend points
+			if (strncmp(savestateMessage, format, strlen(savestateMessage)) == 0) {
+				va_list argc;
+				va_copy(argc, args);
+				int slot = va_arg(argc, int);
+				va_end(argc);
+				if (slot == 0) {
+					format = "Loaded suspend state";
+				}
+			} else if (strncmp(savestateFailedMessage, format, strlen(savestateFailedMessage)) == 0) {
+				va_list argc;
+				va_copy(argc, args);
+				int slot = va_arg(argc, int);
+				va_end(argc);
+				if (slot == 0) {
+					return;
+				}
+			}
+			message = QString().vsprintf(format, args);
+			QMetaObject::invokeMethod(controller, "statusPosted", Q_ARG(const QString&, message));
+		}
+		if (level == mLOG_FATAL) {
+			mCoreThreadMarkCrashed(controller->thread());
+			QMetaObject::invokeMethod(controller, "crashed", Q_ARG(const QString&, QString().vsprintf(format, args)));
+		}
+		message = QString().vsprintf(format, args);
+		QMetaObject::invokeMethod(controller, "logPosted", Q_ARG(int, level), Q_ARG(int, category), Q_ARG(const QString&, message));
+	};
+}
+
+CoreController::~CoreController() {
+	endVideoLog();
+	stop();
+	disconnect();
+
+	if (m_tileCache) {
+		mTileCacheDeinit(m_tileCache.get());
+		m_tileCache.reset();
+	}
+
+	mCoreThreadJoin(&m_threadContext);
+
+	mCoreConfigDeinit(&m_threadContext.core->config);
+	m_threadContext.core->deinit(m_threadContext.core);
+}
+
+color_t* CoreController::drawContext() {
+	QMutexLocker locker(&m_mutex);
+	if (!m_completeBuffer) {
+		return nullptr;
+	}
+	return reinterpret_cast<color_t*>(m_completeBuffer->data());
+}
+
+bool CoreController::isPaused() {
+	return mCoreThreadIsPaused(&m_threadContext);
+}
+
+mPlatform CoreController::platform() const {
+	return m_threadContext.core->platform(m_threadContext.core);
+}
+
+QSize CoreController::screenDimensions() const {
+	unsigned width, height;
+	m_threadContext.core->desiredVideoDimensions(m_threadContext.core, &width, &height);
+
+	return QSize(width, height);
+}
+
+void CoreController::loadConfig(ConfigController* config) {
+	Interrupter interrupter(this);
+	m_loadStateFlags = config->getOption("loadStateExtdata").toInt();
+	m_saveStateFlags = config->getOption("saveStateExtdata").toInt();
+	m_fastForwardRatio = config->getOption("fastForwardRatio").toFloat();
+	m_videoSync = config->getOption("videoSync").toInt();
+	m_audioSync = config->getOption("audioSync").toInt();
+	m_fpsTarget = config->getOption("fpsTarget").toFloat();
+	updateFastForward();
+	mCoreLoadForeignConfig(m_threadContext.core, config->config());
+	mCoreThreadRewindParamsChanged(&m_threadContext);
+}
+
+#ifdef USE_DEBUGGERS
+void CoreController::setDebugger(mDebugger* debugger) {
+	Interrupter interrupter(this);
+	if (debugger) {
+		mDebuggerAttach(debugger, m_threadContext.core);
+	} else {
+		m_threadContext.core->detachDebugger(m_threadContext.core);
+	}
+}
+#endif
+
+void CoreController::setMultiplayerController(MultiplayerController* controller) {
+	if (controller == m_multiplayer) {
+		return;
+	}
+	clearMultiplayerController();
+	m_multiplayer = controller;
+	if (!mCoreThreadHasStarted(&m_threadContext)) {
+		return;
+	}
+	mCoreThreadRunFunction(&m_threadContext, [](mCoreThread* thread) {
+		CoreController* controller = static_cast<CoreController*>(thread->userData);
+		controller->m_multiplayer->attachGame(controller);
+	});
+}
+
+void CoreController::clearMultiplayerController() {
+	if (!m_multiplayer) {
+		return;
+	}
+	m_multiplayer->detachGame(this);
+	m_multiplayer = nullptr;
+}
+
+mTileCache* CoreController::tileCache() {
+	if (m_tileCache) {
+		return m_tileCache.get();
+	}
+	Interrupter interrupter(this);
+	switch (platform()) {
+#ifdef M_CORE_GBA
+	case PLATFORM_GBA: {
+		GBA* gba = static_cast<GBA*>(m_threadContext.core->board);
+		m_tileCache = std::make_unique<mTileCache>();
+		GBAVideoTileCacheInit(m_tileCache.get());
+		GBAVideoTileCacheAssociate(m_tileCache.get(), &gba->video);
+		mTileCacheSetPalette(m_tileCache.get(), 0);
+		break;
+	}
+#endif
+#ifdef M_CORE_GB
+	case PLATFORM_GB: {
+		GB* gb = static_cast<GB*>(m_threadContext.core->board);
+		m_tileCache = std::make_unique<mTileCache>();
+		GBVideoTileCacheInit(m_tileCache.get());
+		GBVideoTileCacheAssociate(m_tileCache.get(), &gb->video);
+		mTileCacheSetPalette(m_tileCache.get(), 0);
+		break;
+	}
+#endif
+	default:
+		return nullptr;
+	}
+	return m_tileCache.get();
+}
+
+void CoreController::setOverride(std::unique_ptr<Override> override) {
+	Interrupter interrupter(this);
+	m_override = std::move(override);
+	m_override->identify(m_threadContext.core);
+}
+
+void CoreController::setInputController(InputController* inputController) {
+	m_inputController = inputController;
+	m_inputController->setPlatform(platform());
+}
+
+void CoreController::setLogger(LogController* logger) {
+	disconnect(m_log);
+	m_log = logger;
+	m_threadContext.logger.d.filter = logger->filter();
+	connect(this, &CoreController::logPosted, m_log, &LogController::postLog);
+}
+
+void CoreController::start() {
+	if (!m_patched) {
+		mCoreAutoloadPatch(m_threadContext.core);
+	}
+	if (!mCoreThreadStart(&m_threadContext)) {
+		emit failed();
+		emit stopping();
+	}
+}
+
+void CoreController::stop() {
+#ifdef USE_DEBUGGERS
+	setDebugger(nullptr);
+#endif
+	setPaused(false);
+	mCoreThreadEnd(&m_threadContext);
+	emit stopping();
+}
+
+void CoreController::reset() {
+	bool wasPaused = isPaused();
+	setPaused(false);
+	Interrupter interrupter(this);
+	mCoreThreadReset(&m_threadContext);
+	if (wasPaused) {
+		setPaused(true);
+	}
+}
+
+void CoreController::setPaused(bool paused) {
+	if (paused == isPaused()) {
+		return;
+	}
+	if (paused) {
+		QMutexLocker locker(&m_mutex);
+		m_frameActions.append([this]() {
+			mCoreThreadPauseFromThread(&m_threadContext);
+			QMetaObject::invokeMethod(this, "paused");
+		});
+	} else {
+		mCoreThreadUnpause(&m_threadContext);
+		emit unpaused();
+	}
+}
+
+void CoreController::frameAdvance() {
+	QMutexLocker locker(&m_mutex);
+	m_frameActions.append([this]() {
+		mCoreThreadPauseFromThread(&m_threadContext);
+	});
+	setPaused(false);
+}
+
+void CoreController::setSync(bool sync) {
+	if (sync) {
+		m_threadContext.impl->sync.audioWait = m_audioSync;
+		m_threadContext.impl->sync.videoFrameWait = m_videoSync;
+	} else {
+		m_threadContext.impl->sync.audioWait = false;
+		m_threadContext.impl->sync.videoFrameWait = false;
+	}
+}
+
+void CoreController::setRewinding(bool rewind) {
+	if (!m_threadContext.core->opts.rewindEnable) {
+		return;
+	}
+	if (rewind && m_multiplayer && m_multiplayer->attached() > 1) {
+		return;
+	}
+
+	if (rewind && isPaused()) {
+		setPaused(false);
+		// TODO: restore autopausing
+	}
+	mCoreThreadSetRewinding(&m_threadContext, rewind);
+}
+
+void CoreController::rewind(int states) {
+	{
+		Interrupter interrupter(this);
+		if (!states) {
+			states = INT_MAX;
+		}
+		for (int i = 0; i < states; ++i) {
+			if (!mCoreRewindRestore(&m_threadContext.impl->rewind, m_threadContext.core)) {
+				break;
+			}
+		}
+	}
+	emit frameAvailable();
+	emit rewound();
+}
+
+void CoreController::setFastForward(bool enable) {
+	m_fastForward = enable;
+	updateFastForward();
+}
+
+void CoreController::forceFastForward(bool enable) {
+	m_fastForwardForced = enable;
+	updateFastForward();
+}
+
+void CoreController::loadState(int slot) {
+	if (slot > 0 && slot != m_stateSlot) {
+		m_stateSlot = slot;
+		m_backupSaveState.clear();
+	}
+	mCoreThreadRunFunction(&m_threadContext, [](mCoreThread* context) {
+		CoreController* controller = static_cast<CoreController*>(context->userData);
+		if (!controller->m_backupLoadState.isOpen()) {
+			controller->m_backupLoadState = VFileMemChunk(nullptr, 0);
+		}
+		mCoreLoadStateNamed(context->core, controller->m_backupLoadState, controller->m_saveStateFlags);
+		if (mCoreLoadState(context->core, controller->m_stateSlot, controller->m_loadStateFlags)) {
+			emit controller->frameAvailable();
+			emit controller->stateLoaded();
+		}
+	});
+}
+
+void CoreController::saveState(int slot) {
+	if (slot > 0) {
+		m_stateSlot = slot;
+	}
+	mCoreThreadRunFunction(&m_threadContext, [](mCoreThread* context) {
+		CoreController* controller = static_cast<CoreController*>(context->userData);
+		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);
+		}
+		mCoreSaveState(context->core, controller->m_stateSlot, controller->m_saveStateFlags);
+	});
+}
+
+void CoreController::loadBackupState() {
+	if (!m_backupLoadState.isOpen()) {
+		return;
+	}
+
+	mCoreThreadRunFunction(&m_threadContext, [](mCoreThread* context) {
+		CoreController* controller = static_cast<CoreController*>(context->userData);
+		controller->m_backupLoadState.seek(0);
+		if (mCoreLoadStateNamed(context->core, controller->m_backupLoadState, controller->m_loadStateFlags)) {
+			mLOG(STATUS, INFO, "Undid state load");
+			controller->frameAvailable();
+			controller->stateLoaded();
+		}
+		controller->m_backupLoadState.close();
+	});
+}
+
+void CoreController::saveBackupState() {
+	if (m_backupSaveState.isEmpty()) {
+		return;
+	}
+
+	mCoreThreadRunFunction(&m_threadContext, [](mCoreThread* context) {
+		CoreController* controller = static_cast<CoreController*>(context->userData);
+		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);
+			mLOG(STATUS, INFO, "Undid state save");
+		}
+		controller->m_backupSaveState.clear();
+	});
+}
+
+void CoreController::loadSave(const QString& path, bool temporary) {
+	m_resetActions.append([this, path, temporary]() {
+		VFile* vf = VFileDevice::open(path, temporary ? O_RDONLY : O_RDWR);
+		if (!vf) {
+			LOG(QT, ERROR) << tr("Failed to open save file: %1").arg(path);
+			return;
+		}
+
+		if (temporary) {
+			m_threadContext.core->loadTemporarySave(m_threadContext.core, vf);
+		} else {
+			m_threadContext.core->loadSave(m_threadContext.core, vf);
+		}
+	});
+	reset();
+}
+
+void CoreController::loadPatch(const QString& patchPath) {
+	Interrupter interrupter(this);
+	VFile* patch = VFileDevice::open(patchPath, O_RDONLY);
+	if (patch) {
+		m_threadContext.core->loadPatch(m_threadContext.core, patch);
+		m_patched = true;
+	}
+	patch->close(patch);
+	if (mCoreThreadHasStarted(&m_threadContext)) {
+		reset();
+	}
+}
+
+void CoreController::replaceGame(const QString& path) {
+	QFileInfo info(path);
+	if (!info.isReadable()) {
+		LOG(QT, ERROR) << tr("Failed to open game file: %1").arg(path);
+		return;
+	}
+	QString fname = info.canonicalFilePath();
+	Interrupter interrupter(this);
+	mDirectorySetDetachBase(&m_threadContext.core->dirs);
+	mCoreLoadFile(m_threadContext.core, fname.toLocal8Bit().constData());
+}
+
+void CoreController::yankPak() {
+#ifdef M_CORE_GBA
+	if (platform() != PLATFORM_GBA) {
+		return;
+	}
+	Interrupter interrupter(this);
+	GBAYankROM(static_cast<GBA*>(m_threadContext.core->board));
+#endif
+}
+
+#ifdef USE_PNG
+void CoreController::screenshot() {
+	mCoreThreadRunFunction(&m_threadContext, [](mCoreThread* context) {
+		mCoreTakeScreenshot(context->core);
+	});
+}
+#endif
+
+void CoreController::setRealTime() {
+	m_threadContext.core->rtc.override = RTC_NO_OVERRIDE;
+}
+
+void CoreController::setFixedTime(const QDateTime& time) {
+	m_threadContext.core->rtc.override = RTC_FIXED;
+	m_threadContext.core->rtc.value = time.toMSecsSinceEpoch();
+}
+
+void CoreController::setFakeEpoch(const QDateTime& time) {
+	m_threadContext.core->rtc.override = RTC_FAKE_EPOCH;
+	m_threadContext.core->rtc.value = time.toMSecsSinceEpoch();
+}
+
+void CoreController::importSharkport(const QString& path) {
+#ifdef M_CORE_GBA
+	if (platform() != PLATFORM_GBA) {
+		return;
+	}
+	VFile* vf = VFileDevice::open(path, O_RDONLY);
+	if (!vf) {
+		LOG(QT, ERROR) << tr("Failed to open snapshot file for reading: %1").arg(path);
+		return;
+	}
+	Interrupter interrupter(this);
+	GBASavedataImportSharkPort(static_cast<GBA*>(m_threadContext.core->board), vf, false);
+	vf->close(vf);
+#endif
+}
+
+void CoreController::exportSharkport(const QString& path) {
+#ifdef M_CORE_GBA
+	if (platform() != PLATFORM_GBA) {
+		return;
+	}
+	VFile* vf = VFileDevice::open(path, O_WRONLY | O_CREAT | O_TRUNC);
+	if (!vf) {
+		LOG(QT, ERROR) << tr("Failed to open snapshot file for writing: %1").arg(path);
+		return;
+	}
+	Interrupter interrupter(this);
+	GBASavedataExportSharkPort(static_cast<GBA*>(m_threadContext.core->board), vf);
+	vf->close(vf);
+#endif
+}
+
+void CoreController::setAVStream(mAVStream* stream) {
+	Interrupter interrupter(this);
+	m_threadContext.core->setAVStream(m_threadContext.core, stream);
+}
+
+void CoreController::clearAVStream() {
+	Interrupter interrupter(this);
+	m_threadContext.core->setAVStream(m_threadContext.core, nullptr);
+}
+
+void CoreController::clearOverride() {
+	m_override.reset();
+}
+
+void CoreController::startVideoLog(const QString& path) {
+	if (m_vl) {
+		return;
+	}
+
+	Interrupter interrupter(this);
+	m_vl = mVideoLogContextCreate(m_threadContext.core);
+	m_vlVf = VFileDevice::open(path, O_WRONLY | O_CREAT | O_TRUNC);
+	mVideoLogContextSetOutput(m_vl, m_vlVf);
+	mVideoLogContextWriteHeader(m_vl, m_threadContext.core);
+}
+
+void CoreController::endVideoLog() {
+	if (!m_vl) {
+		return;
+	}
+
+	Interrupter interrupter(this);
+	mVideoLogContextDestroy(m_threadContext.core, m_vl);
+	if (m_vlVf) {
+		m_vlVf->close(m_vlVf);
+		m_vlVf = nullptr;
+	}
+	m_vl = nullptr;
+}
+
+void CoreController::updateKeys() {
+	int activeKeys = m_inputController->updateAutofire() | m_inputController->pollEvents();
+	m_threadContext.core->setKeys(m_threadContext.core, activeKeys);
+}
+
+void CoreController::finishFrame() {
+	QMutexLocker locker(&m_mutex);
+	m_completeBuffer = m_activeBuffer;
+
+	// TODO: Generalize this to triple buffering?
+	m_activeBuffer = &m_buffers[0];
+	if (m_activeBuffer == m_completeBuffer) {
+		m_activeBuffer = &m_buffers[1];
+	}
+	m_threadContext.core->setVideoBuffer(m_threadContext.core, reinterpret_cast<color_t*>(m_activeBuffer->data()), screenDimensions().width());
+
+	for (auto& action : m_frameActions) {
+		action();
+	}
+	m_frameActions.clear();
+	updateKeys();
+
+	QMetaObject::invokeMethod(this, "frameAvailable");
+}
+
+void CoreController::updateFastForward() {
+	if (m_fastForward || m_fastForwardForced) {
+		if (m_fastForwardRatio > 0) {
+			m_threadContext.impl->sync.fpsTarget = m_fpsTarget * m_fastForwardRatio;
+		} else {
+			setSync(false);
+		}
+	} else {
+		m_threadContext.impl->sync.fpsTarget = m_fpsTarget;
+		setSync(true);
+	}
+}
+
+CoreController::Interrupter::Interrupter(CoreController* parent, bool fromThread)
+	: m_parent(parent)
+{
+	if (!m_parent->thread()->impl) {
+		return;
+	}
+	if (!fromThread) {
+		mCoreThreadInterrupt(m_parent->thread());
+	} else {
+		mCoreThreadInterruptFromThread(m_parent->thread());
+	}
+}
+
+CoreController::Interrupter::Interrupter(std::shared_ptr<CoreController> parent, bool fromThread)
+	: m_parent(parent.get())
+{
+	if (!m_parent->thread()->impl) {
+		return;
+	}
+	if (!fromThread) {
+		mCoreThreadInterrupt(m_parent->thread());
+	} else {
+		mCoreThreadInterruptFromThread(m_parent->thread());
+	}
+}
+
+CoreController::Interrupter::Interrupter(const Interrupter& other)
+	: m_parent(other.m_parent)
+{
+	if (!m_parent->thread()->impl) {
+		return;
+	}
+	mCoreThreadInterrupt(m_parent->thread());
+}
+
+CoreController::Interrupter::~Interrupter() {
+	if (!m_parent->thread()->impl) {
+		return;
+	}
+	mCoreThreadContinue(m_parent->thread());
+}

@@ -0,0 +1,193 @@
+/* Copyright (c) 2013-2017 Jeffrey Pfau
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
+#ifndef QGBA_CORE_CONTROLLER
+#define QGBA_CORE_CONTROLLER
+
+#include <QByteArray>
+#include <QList>
+#include <QMutex>
+#include <QObject>
+#include <QSize>
+
+#include "VFileDevice.h"
+
+#include <functional>
+#include <memory>
+
+#include <mgba/core/core.h>
+#include <mgba/core/interface.h>
+#include <mgba/core/thread.h>
+#include <mgba/core/tile-cache.h>
+
+struct mCore;
+
+namespace QGBA {
+
+class ConfigController;
+class InputController;
+class LogController;
+class MultiplayerController;
+class Override;
+
+class CoreController : public QObject {
+Q_OBJECT
+
+public:
+	static const bool VIDEO_SYNC = false;
+	static const bool AUDIO_SYNC = true;
+
+	class Interrupter {
+	public:
+		Interrupter(CoreController*, bool fromThread = false);
+		Interrupter(std::shared_ptr<CoreController>, bool fromThread = false);
+		Interrupter(const Interrupter&);
+		~Interrupter();
+
+	private:
+		CoreController* m_parent;
+	};
+
+	CoreController(mCore* core, QObject* parent = nullptr);
+	~CoreController();
+
+	mCoreThread* thread() { return &m_threadContext; }
+
+	color_t* drawContext();
+
+	bool isPaused();
+
+	mPlatform platform() const;
+	QSize screenDimensions() const;
+
+	void loadConfig(ConfigController*);
+
+	mCheatDevice* cheatDevice() { return m_threadContext.core->cheatDevice(m_threadContext.core); }
+
+#ifdef USE_DEBUGGERS
+	mDebugger* debugger() { return m_threadContext.core->debugger; }
+	void setDebugger(mDebugger*);
+#endif
+
+	void setMultiplayerController(MultiplayerController*);
+	void clearMultiplayerController();
+	MultiplayerController* multiplayerController() { return m_multiplayer; }
+
+	mTileCache* tileCache();
+	int stateSlot() const { return m_stateSlot; }
+
+	void setOverride(std::unique_ptr<Override> override);
+	Override* override() { return m_override.get(); }
+
+	void setInputController(InputController*);
+	void setLogger(LogController*);
+
+public slots:
+	void start();
+	void stop();
+	void reset();
+	void setPaused(bool paused);
+	void frameAdvance();
+	void setSync(bool enable);
+
+	void setRewinding(bool);
+	void rewind(int count = 0);
+
+	void setFastForward(bool);
+	void forceFastForward(bool);
+
+	void loadState(int slot = 0);
+	void saveState(int slot = 0);
+	void loadBackupState();
+	void saveBackupState();
+
+	void loadSave(const QString&, bool temporary);
+	void loadPatch(const QString&);
+	void replaceGame(const QString&);
+	void yankPak();
+
+#ifdef USE_PNG
+	void screenshot();
+#endif
+
+	void setRealTime();
+	void setFixedTime(const QDateTime& time);
+	void setFakeEpoch(const QDateTime& time);
+
+	void importSharkport(const QString& path);
+	void exportSharkport(const QString& path);
+
+	void setAVStream(mAVStream*);
+	void clearAVStream();
+
+	void clearOverride();
+
+	void startVideoLog(const QString& path);
+	void endVideoLog();
+
+signals:
+	void started();
+	void paused();
+	void unpaused();
+	void stopping();
+	void crashed(const QString& errorMessage);
+	void failed();
+	void frameAvailable();
+	void stateLoaded();
+	void rewound();
+
+	void rewindChanged(bool);
+	void fastForwardChanged(bool);
+
+	void unimplementedBiosCall(int);
+	void statusPosted(const QString& message);
+	void logPosted(int level, int category, const QString& log);
+
+private:
+	void updateKeys();
+	void finishFrame();
+
+	void updateFastForward();
+
+	mCoreThread m_threadContext{};
+
+	bool m_patched = false;
+
+	QByteArray m_buffers[2];
+	QByteArray* m_activeBuffer;
+	QByteArray* m_completeBuffer = nullptr;
+
+	std::unique_ptr<mTileCache> m_tileCache;
+	std::unique_ptr<Override> m_override;
+
+	QList<std::function<void()>> m_resetActions;
+	QList<std::function<void()>> m_frameActions;
+	QMutex m_mutex;
+
+	VFileDevice m_backupLoadState;
+	QByteArray m_backupSaveState{nullptr};
+	int m_stateSlot = 1;
+	int m_loadStateFlags;
+	int m_saveStateFlags;
+
+	bool m_audioSync = AUDIO_SYNC;
+	bool m_videoSync = VIDEO_SYNC;
+
+	int m_fastForward = false;
+	int m_fastForwardForced = false;
+	float m_fastForwardRatio = -1.f;
+	float m_fpsTarget;
+
+	InputController* m_inputController = nullptr;
+	LogController* m_log = nullptr;
+	MultiplayerController* m_multiplayer = nullptr;
+
+	mVideoLogContext* m_vl = nullptr;
+	VFile* m_vlVf = nullptr;
+};
+
+}
+
+#endif

@@ -0,0 +1,165 @@
+/* Copyright (c) 2013-2017 Jeffrey Pfau
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
+#include "CoreManager.h"
+
+#include "CoreController.h"
+#include "LogController.h"
+
+#include <QDir>
+
+#ifdef M_CORE_GBA
+#include <mgba/gba/core.h>
+#endif
+
+#include <mgba/core/core.h>
+#include <mgba-util/vfs.h>
+
+using namespace QGBA;
+
+void CoreManager::setConfig(const mCoreConfig* config) {
+	m_config = config;
+}
+
+void CoreManager::setMultiplayerController(MultiplayerController* multiplayer) {
+	m_multiplayer = multiplayer;
+}
+
+CoreController* CoreManager::loadGame(const QString& path) {
+	QFileInfo info(path);
+	if (!info.isReadable()) {
+		QString fname = info.fileName();
+		QString base = info.path();
+		if (base.endsWith("/") || base.endsWith(QDir::separator())) {
+			base.chop(1);
+		}
+		VDir* dir = VDirOpenArchive(base.toUtf8().constData());
+		if (dir) {
+			VFile* vf = dir->openFile(dir, fname.toUtf8().constData(), O_RDONLY);
+			if (vf) {
+				struct VFile* vfclone = VFileMemChunk(NULL, vf->size(vf));
+				uint8_t buffer[2048];
+				ssize_t read;
+				while ((read = vf->read(vf, buffer, sizeof(buffer))) > 0) {
+					vfclone->write(vfclone, buffer, read);
+				}
+				vf->close(vf);
+				vf = vfclone;
+			}
+			dir->close(dir);
+			loadGame(vf, fname, base);
+		} else {
+			LOG(QT, ERROR) << tr("Failed to open game file: %1").arg(path);
+		}
+		return nullptr;
+	}
+	VFile* vf = nullptr;
+	VDir* archive = VDirOpenArchive(path.toUtf8().constData());
+	if (archive) {
+		VFile* vfOriginal = VDirFindFirst(archive, [](VFile* vf) {
+			return mCoreIsCompatible(vf) != PLATFORM_NONE;
+		});
+		ssize_t size;
+		if (vfOriginal && (size = vfOriginal->size(vfOriginal)) > 0) {
+			void* mem = vfOriginal->map(vfOriginal, size, MAP_READ);
+			vf = VFileMemChunk(mem, size);
+			vfOriginal->unmap(vfOriginal, mem, (size_t) read);
+			vfOriginal->close(vfOriginal);
+		}
+	}
+	QDir dir(info.dir());
+	if (!vf) {
+		vf = VFileOpen(info.canonicalFilePath().toUtf8().constData(), O_RDONLY);
+	}
+	return loadGame(vf, info.fileName(), dir.canonicalPath());
+}
+
+CoreController* CoreManager::loadGame(VFile* vf, const QString& path, const QString& base) {
+	if (!vf) {
+		return nullptr;
+	}
+
+	mCore* core = mCoreFindVF(vf);
+	if (!core) {
+		return nullptr;
+	}
+
+	core->init(core);
+	mCoreInitConfig(core, nullptr);
+
+	if (m_config) {
+		mCoreLoadForeignConfig(core, m_config);
+	}
+
+	if (m_preload) {
+		mCorePreloadVF(core, vf);
+	} else {
+		core->loadROM(core, vf);
+	}
+
+	QFileInfo info(base + "/" + path);
+	QByteArray bytes(info.baseName().toUtf8());
+	strncpy(core->dirs.baseName, bytes.constData(), sizeof(core->dirs.baseName));
+
+	bytes = info.dir().canonicalPath().toUtf8();
+	mDirectorySetAttachBase(&core->dirs, VDirOpen(bytes.constData()));
+	mCoreAutoloadSave(core);
+
+	CoreController* cc = new CoreController(core);
+	if (m_multiplayer) {
+		cc->setMultiplayerController(m_multiplayer);
+	}
+	emit coreLoaded(cc);
+	return cc;
+}
+
+CoreController* CoreManager::loadBIOS(int platform, const QString& path) {
+	QFileInfo info(path);
+	VFile* vf = VFileOpen(info.canonicalFilePath().toUtf8().constData(), O_RDONLY);
+	if (!vf) {
+		return nullptr;
+	}
+
+	mCore* core = nullptr;
+	switch (platform) {
+#ifdef M_CORE_GBA
+	case PLATFORM_GBA:
+		core = GBACoreCreate();
+		break;
+#endif
+	default:
+		vf->close(vf);
+		return nullptr;
+	}
+	if (!core) {
+		vf->close(vf);
+		return nullptr;
+	}
+
+	core->init(core);
+	mCoreInitConfig(core, nullptr);
+
+	if (m_config) {
+		mCoreLoadForeignConfig(core, m_config);
+	}
+
+	core->loadBIOS(core, vf, 0);
+
+	mCoreConfigSetOverrideIntValue(&core->config, "useBios", 1);
+	mCoreConfigSetOverrideIntValue(&core->config, "skipBios", 0);
+
+	QByteArray bytes(info.baseName().toUtf8());
+	strncpy(core->dirs.baseName, bytes.constData(), sizeof(core->dirs.baseName));
+
+	bytes = info.dir().canonicalPath().toUtf8();
+	mDirectorySetAttachBase(&core->dirs, VDirOpen(bytes.constData()));
+
+	CoreController* cc = new CoreController(core);
+	if (m_multiplayer) {
+		cc->setMultiplayerController(m_multiplayer);
+	}
+	emit coreLoaded(cc);
+	return cc;
+}

@@ -0,0 +1,45 @@
+/* Copyright (c) 2013-2017 Jeffrey Pfau
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
+#ifndef QGBA_CORE_MANAGER
+#define QGBA_CORE_MANAGER
+
+#include <QFileInfo>
+#include <QObject>
+#include <QString>
+
+struct mCoreConfig;
+struct VFile;
+
+namespace QGBA {
+
+class CoreController;
+class MultiplayerController;
+
+class CoreManager : public QObject {
+Q_OBJECT
+
+public:
+	void setConfig(const mCoreConfig*);
+	void setMultiplayerController(MultiplayerController*);
+	void setPreload(bool preload) { m_preload = preload; }
+
+public slots:
+	CoreController* loadGame(const QString& path);
+	CoreController* loadGame(VFile* vf, const QString& path, const QString& base);
+	CoreController* loadBIOS(int platform, const QString& path);
+
+signals:
+	void coreLoaded(CoreController*);
+
+private:
+	const mCoreConfig* m_config = nullptr;
+	MultiplayerController* m_multiplayer = nullptr;
+	bool m_preload = false;
+};
+
+}
+
+#endif

@@ -5,7 +5,7 @@ * License, v. 2.0. If a copy of the MPL was not distributed with this
  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
 #include "DebuggerConsoleController.h"
 
-#include "GameController.h"
+#include "CoreController.h"
 
 #include <QMutexLocker>
 
@@ -13,8 +13,8 @@ #include <mgba/internal/debugger/cli-debugger.h>
 
 using namespace QGBA;
 
-DebuggerConsoleController::DebuggerConsoleController(GameController* controller, QObject* parent)
-	: DebuggerController(controller, &m_cliDebugger.d, parent)
+DebuggerConsoleController::DebuggerConsoleController(QObject* parent)
+	: DebuggerController(&m_cliDebugger.d, parent)
 {
 	m_backend.d.printf = printf;
 	m_backend.d.init = init;
@@ -39,8 +39,10 @@ m_cond.wakeOne();
 }
 
 void DebuggerConsoleController::detach() {
-	m_lines.append(QString());
-	m_cond.wakeOne();
+	if (m_cliDebugger.d.state != DEBUGGER_SHUTDOWN) {
+		m_lines.append(QString());
+		m_cond.wakeOne();
+	}
 	DebuggerController::detach();
 }
 
@@ -68,14 +70,16 @@
 void DebuggerConsoleController::deinit(struct CLIDebuggerBackend* be) {
 	Backend* consoleBe = reinterpret_cast<Backend*>(be);
 	DebuggerConsoleController* self = consoleBe->self;
-	self->m_lines.append(QString());
-	self->m_cond.wakeOne();
+	if (be->p->d.state != DEBUGGER_SHUTDOWN) {
+		self->m_lines.append(QString());
+		self->m_cond.wakeOne();
+	}
 }
 
 const char* DebuggerConsoleController::readLine(struct CLIDebuggerBackend* be, size_t* len) {
 	Backend* consoleBe = reinterpret_cast<Backend*>(be);
 	DebuggerConsoleController* self = consoleBe->self;
-	GameController::Interrupter interrupter(self->m_gameController, true);
+	CoreController::Interrupter interrupter(self->m_gameController, true);
 	QMutexLocker lock(&self->m_mutex);
 	while (self->m_lines.isEmpty()) {
 		self->m_cond.wait(&self->m_mutex);
@@ -99,7 +103,7 @@
 const char* DebuggerConsoleController::historyLast(struct CLIDebuggerBackend* be, size_t* len) {
 	Backend* consoleBe = reinterpret_cast<Backend*>(be);
 	DebuggerConsoleController* self = consoleBe->self;
-	GameController::Interrupter interrupter(self->m_gameController, true);
+	CoreController::Interrupter interrupter(self->m_gameController, true);
 	QMutexLocker lock(&self->m_mutex);
 	if (self->m_history.isEmpty()) {
 		return "i";
@@ -111,7 +115,7 @@
 void DebuggerConsoleController::historyAppend(struct CLIDebuggerBackend* be, const char* line) {
 	Backend* consoleBe = reinterpret_cast<Backend*>(be);
 	DebuggerConsoleController* self = consoleBe->self;
-	GameController::Interrupter interrupter(self->m_gameController, true);
+	CoreController::Interrupter interrupter(self->m_gameController, true);
 	QMutexLocker lock(&self->m_mutex);
 	self->m_history.append(QString::fromUtf8(line));
 }

@@ -16,13 +16,13 @@ #include <mgba/internal/debugger/cli-debugger.h>
 
 namespace QGBA {
 
-class GameController;
+class CoreController;
 
 class DebuggerConsoleController : public DebuggerController {
 Q_OBJECT
 
 public:
-	DebuggerConsoleController(GameController* controller, QObject* parent = nullptr);
+	DebuggerConsoleController(QObject* parent = nullptr);
 
 signals:
 	void log(const QString&);
@@ -44,7 +44,7 @@ static void lineAppend(struct CLIDebuggerBackend* be, const char* line);
 	static const char* historyLast(struct CLIDebuggerBackend* be, size_t* len);
 	static void historyAppend(struct CLIDebuggerBackend* be, const char* line);
 
-	CLIDebugger m_cliDebugger;
+	CLIDebugger m_cliDebugger{};
 
 	QMutex m_mutex;
 	QWaitCondition m_cond;

@@ -5,32 +5,44 @@ * License, v. 2.0. If a copy of the MPL was not distributed with this
  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
 #include "GDBController.h"
 
-#include "GameController.h"
+#include "CoreController.h"
 
 using namespace QGBA;
 
-DebuggerController::DebuggerController(GameController* controller, mDebugger* debugger, QObject* parent)
+DebuggerController::DebuggerController(mDebugger* debugger, QObject* parent)
 	: QObject(parent)
 	, m_debugger(debugger)
-	, m_gameController(controller)
 {
 }
 
 bool DebuggerController::isAttached() {
+	if (!m_gameController) {
+		return false;
+	}
 	return m_gameController->debugger() == m_debugger;
 }
 
+void DebuggerController::setController(std::shared_ptr<CoreController> controller) {
+	if (m_gameController && controller != m_gameController) {
+		m_gameController->disconnect(this);
+		detach();
+	}
+	m_gameController = controller;
+	if (controller) {
+		connect(m_gameController.get(), &CoreController::stopping, [this]() {
+			setController(nullptr);
+		});
+	}
+}
+
 void DebuggerController::attach() {
 	if (isAttached()) {
 		return;
 	}
-	if (m_gameController->isLoaded()) {
+	if (m_gameController) {
 		attachInternal();
 		m_gameController->setDebugger(m_debugger);
 		mDebuggerEnter(m_debugger, DEBUGGER_ENTER_ATTACHED, 0);
-	} else {
-		QObject::disconnect(m_autoattach);
-		m_autoattach = connect(m_gameController, &GameController::gameStarted, this, &DebuggerController::attach);
 	}
 }
 
@@ -39,16 +51,18 @@ QObject::disconnect(m_autoattach);
 	if (!isAttached()) {
 		return;
 	}
-	GameController::Interrupter interrupter(m_gameController);
-	shutdownInternal();
-	m_gameController->setDebugger(nullptr);
+	if (m_gameController) {
+		CoreController::Interrupter interrupter(m_gameController);
+		shutdownInternal();
+		m_gameController->setDebugger(nullptr);
+	}
 }
 
 void DebuggerController::breakInto() {
 	if (!isAttached()) {
 		return;
 	}
-	GameController::Interrupter interrupter(m_gameController);
+	CoreController::Interrupter interrupter(m_gameController);
 	mDebuggerEnter(m_debugger, DEBUGGER_ENTER_MANUAL, 0);
 }
 
@@ -57,7 +71,7 @@ QObject::disconnect(m_autoattach);
 	if (!isAttached()) {
 		return;
 	}
-	GameController::Interrupter interrupter(m_gameController);
+	CoreController::Interrupter interrupter(m_gameController);
 	shutdownInternal();
 }
 

@@ -8,20 +8,23 @@ #define QGBA_DEBUGGER_CONTROLLER
 
 #include <QObject>
 
+#include <memory>
+
 struct mDebugger;
 
 namespace QGBA {
 
-class GameController;
+class CoreController;
 
 class DebuggerController : public QObject {
 Q_OBJECT
 
 public:
-	DebuggerController(GameController* controller, mDebugger* debugger, QObject* parent = nullptr);
+	DebuggerController(mDebugger* debugger, QObject* parent = nullptr);
 
 public:
 	bool isAttached();
+	void setController(std::shared_ptr<CoreController>);
 
 public slots:
 	virtual void attach();
@@ -34,7 +37,7 @@ virtual void attachInternal();
 	virtual void shutdownInternal();
 
 	mDebugger* const m_debugger;
-	GameController* const m_gameController;
+	std::shared_ptr<CoreController> m_gameController;
 
 private:
 	QMetaObject::Connection m_autoattach;

@@ -8,15 +8,18 @@ #define QGBA_DISPLAY
 
 #include <mgba-util/common.h>
 
+#include <memory>
+
 #include <QWidget>
 
 #include "MessagePainter.h"
 
-struct mCoreThread;
 struct VDir;
 struct VideoShader;
 
 namespace QGBA {
+
+class CoreController;
 
 class Display : public QWidget {
 Q_OBJECT
@@ -41,6 +44,7 @@ bool isAspectRatioLocked() const { return m_lockAspectRatio; }
 	bool isIntegerScalingLocked() const { return m_lockIntegerScaling; }
 	bool isFiltered() const { return m_filter; }
 
+	virtual void startDrawing(std::shared_ptr<CoreController>) = 0;
 	virtual bool isDrawing() const = 0;
 	virtual bool supportsShaders() const = 0;
 	virtual VideoShader* shaders() = 0;
@@ -50,7 +54,6 @@ void showCursor();
 	void hideCursor();
 
 public slots:
-	virtual void startDrawing(mCoreThread* context) = 0;
 	virtual void stopDrawing() = 0;
 	virtual void pauseDrawing() = 0;
 	virtual void unpauseDrawing() = 0;
@@ -58,7 +61,7 @@ virtual void forceDraw() = 0;
 	virtual void lockAspectRatio(bool lock);
 	virtual void lockIntegerScaling(bool lock);
 	virtual void filter(bool filter);
-	virtual void framePosted(const uint32_t*) = 0;
+	virtual void framePosted() = 0;
 	virtual void setShaders(struct VDir*) = 0;
 	virtual void clearShaders() = 0;
 

@@ -7,12 +7,13 @@ #include "DisplayGL.h"
 
 #if defined(BUILD_GL) || defined(BUILD_GLES)
 
+#include "CoreController.h"
+
 #include <QApplication>
 #include <QResizeEvent>
 #include <QTimer>
 
 #include <mgba/core/core.h>
-#include <mgba/core/thread.h>
 #ifdef BUILD_GL
 #include "platform/opengl/gl.h"
 #endif
@@ -52,14 +53,14 @@ }
 	return shaders;
 }
 
-void DisplayGL::startDrawing(mCoreThread* thread) {
+void DisplayGL::startDrawing(std::shared_ptr<CoreController> controller) {
 	if (m_drawThread) {
 		return;
 	}
 	m_isDrawing = true;
-	m_painter->setContext(thread);
+	m_painter->setContext(controller);
 	m_painter->setMessagePainter(messagePainter());
-	m_context = thread;
+	m_context = controller;
 	m_painter->resize(size());
 	m_gl->move(0, 0);
 	m_drawThread = new QThread(this);
@@ -69,7 +70,6 @@ m_gl->context()->moveToThread(m_drawThread);
 	m_painter->moveToThread(m_drawThread);
 	connect(m_drawThread, &QThread::started, m_painter, &PainterGL::start);
 	m_drawThread->start();
-	mCoreSyncSetVideoSync(&m_context->impl->sync, false);
 
 	lockAspectRatio(isAspectRatioLocked());
 	lockIntegerScaling(isIntegerScalingLocked());
@@ -85,41 +85,27 @@
 void DisplayGL::stopDrawing() {
 	if (m_drawThread) {
 		m_isDrawing = false;
-		if (mCoreThreadIsActive(m_context)) {
-			mCoreThreadInterrupt(m_context);
-		}
+		CoreController::Interrupter interrupter(m_context);
 		QMetaObject::invokeMethod(m_painter, "stop", Qt::BlockingQueuedConnection);
 		m_drawThread->exit();
 		m_drawThread = nullptr;
-		if (mCoreThreadIsActive(m_context)) {
-			mCoreThreadContinue(m_context);
-		}
 	}
+	m_context.reset();
 }
 
 void DisplayGL::pauseDrawing() {
 	if (m_drawThread) {
 		m_isDrawing = false;
-		if (mCoreThreadIsActive(m_context)) {
-			mCoreThreadInterrupt(m_context);
-		}
+		CoreController::Interrupter interrupter(m_context);
 		QMetaObject::invokeMethod(m_painter, "pause", Qt::BlockingQueuedConnection);
-		if (mCoreThreadIsActive(m_context)) {
-			mCoreThreadContinue(m_context);
-		}
 	}
 }
 
 void DisplayGL::unpauseDrawing() {
 	if (m_drawThread) {
 		m_isDrawing = true;
-		if (mCoreThreadIsActive(m_context)) {
-			mCoreThreadInterrupt(m_context);
-		}
+		CoreController::Interrupter interrupter(m_context);
 		QMetaObject::invokeMethod(m_painter, "unpause", Qt::BlockingQueuedConnection);
-		if (mCoreThreadIsActive(m_context)) {
-			mCoreThreadContinue(m_context);
-		}
 	}
 }
 
@@ -150,9 +136,9 @@ QMetaObject::invokeMethod(m_painter, "filter", Q_ARG(bool, filter));
 	}
 }
 
-void DisplayGL::framePosted(const uint32_t* buffer) {
-	if (m_drawThread && buffer) {
-		m_painter->enqueue(buffer);
+void DisplayGL::framePosted() {
+	if (m_drawThread) {
+		m_painter->enqueue(m_context->drawContext());
 		QMetaObject::invokeMethod(m_painter, "draw");
 	}
 }
@@ -183,12 +169,6 @@ }
 
 PainterGL::PainterGL(int majorVersion, QGLWidget* parent)
 	: m_gl(parent)
-	, m_active(false)
-	, m_started(false)
-	, m_context(nullptr)
-	, m_shader{}
-	, m_backend(nullptr)
-	, m_messagePainter(nullptr)
 {
 #ifdef BUILD_GL
 	mGLContext* glBackend;
@@ -262,7 +242,7 @@ delete m_backend;
 	m_backend = nullptr;
 }
 
-void PainterGL::setContext(mCoreThread* context) {
+void PainterGL::setContext(std::shared_ptr<CoreController> context) {
 	m_context = context;
 
 	if (!context) {
@@ -273,9 +253,8 @@ m_gl->makeCurrent();
 #if defined(_WIN32) && defined(USE_EPOXY)
 	epoxy_handle_external_wglMakeCurrent();
 #endif
-	unsigned width, height;
-	context->core->desiredVideoDimensions(context->core, &width, &height);
-	m_backend->setDimensions(m_backend, width, height);
+	QSize size = m_context->screenDimensions();
+	m_backend->setDimensions(m_backend, size.width(), size.height());
 	m_gl->doneCurrent();
 }
 
@@ -329,13 +308,13 @@ m_started = true;
 }
 
 void PainterGL::draw() {
-	if (m_queue.isEmpty() || !mCoreThreadIsActive(m_context)) {
+	if (m_queue.isEmpty()) {
 		return;
 	}
 
-	if (mCoreSyncWaitFrameStart(&m_context->impl->sync) || !m_queue.isEmpty()) {
+	if (mCoreSyncWaitFrameStart(&m_context->thread()->impl->sync) || !m_queue.isEmpty()) {
 		dequeue();
-		mCoreSyncWaitFrameEnd(&m_context->impl->sync);
+		mCoreSyncWaitFrameEnd(&m_context->thread()->impl->sync);
 		m_painter.begin(m_gl->context()->device());
 		performDraw();
 		m_painter.end();
@@ -349,7 +328,7 @@ }
 			m_delayTimer.restart();
 		}
 	} else {
-		mCoreSyncWaitFrameEnd(&m_context->impl->sync);
+		mCoreSyncWaitFrameEnd(&m_context->thread()->impl->sync);
 	}
 	if (!m_queue.isEmpty()) {
 		QMetaObject::invokeMethod(this, "draw", Qt::QueuedConnection);
@@ -375,6 +354,7 @@ m_backend->clear(m_backend);
 	m_backend->swap(m_backend);
 	m_gl->doneCurrent();
 	m_gl->context()->moveToThread(m_gl->thread());
+	m_context.reset();
 	moveToThread(m_gl->thread());
 }
 
@@ -409,9 +389,8 @@ buffer = m_queue.dequeue();
 	} else {
 		buffer = m_free.takeLast();
 	}
-	unsigned width, height;
-	m_context->core->desiredVideoDimensions(m_context->core, &width, &height);
-	memcpy(buffer, backing, width * height * BYTES_PER_PIXEL);
+	QSize size = m_context->screenDimensions();
+	memcpy(buffer, backing, size.width() * size.height() * BYTES_PER_PIXEL);
 	m_queue.enqueue(buffer);
 	m_mutex.unlock();
 }

@@ -46,12 +46,12 @@ public:
 	DisplayGL(const QGLFormat& format, QWidget* parent = nullptr);
 	~DisplayGL();
 
+	void startDrawing(std::shared_ptr<CoreController>) override;
 	bool isDrawing() const override { return m_isDrawing; }
 	bool supportsShaders() const override;
 	VideoShader* shaders() override;
 
 public slots:
-	void startDrawing(mCoreThread* context) override;
 	void stopDrawing() override;
 	void pauseDrawing() override;
 	void unpauseDrawing() override;
@@ -59,7 +59,7 @@ void forceDraw() override;
 	void lockAspectRatio(bool lock) override;
 	void lockIntegerScaling(bool lock) override;
 	void filter(bool filter) override;
-	void framePosted(const uint32_t*) override;
+	void framePosted() override;
 	void setShaders(struct VDir*) override;
 	void clearShaders() override;
 
@@ -74,7 +74,7 @@ bool m_isDrawing = false;
 	QGLWidget* m_gl;
 	PainterGL* m_painter;
 	QThread* m_drawThread = nullptr;
-	mCoreThread* m_context = nullptr;
+	std::shared_ptr<CoreController> m_context;
 };
 
 class PainterGL : public QObject {
@@ -84,7 +84,7 @@ public:
 	PainterGL(int majorVersion, QGLWidget* parent);
 	~PainterGL();
 
-	void setContext(mCoreThread*);
+	void setContext(std::shared_ptr<CoreController>);
 	void setMessagePainter(MessagePainter*);
 	void enqueue(const uint32_t* backing);
 
@@ -116,14 +116,14 @@ QQueue<uint32_t*> m_queue;
 	QPainter m_painter;
 	QMutex m_mutex;
 	QGLWidget* m_gl;
-	bool m_active;
-	bool m_started;
-	mCoreThread* m_context;
+	bool m_active = false;
+	bool m_started = false;
+	std::shared_ptr<CoreController> m_context = nullptr;
 	bool m_supportsShaders;
-	VideoShader m_shader;
-	VideoBackend* m_backend;
+	VideoShader m_shader{};
+	VideoBackend* m_backend = nullptr;
 	QSize m_size;
-	MessagePainter* m_messagePainter;
+	MessagePainter* m_messagePainter = nullptr;
 	QElapsedTimer m_delayTimer;
 };
 

@@ -5,6 +5,8 @@ * License, v. 2.0. If a copy of the MPL was not distributed with this
  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
 #include "DisplayQt.h"
 
+#include "CoreController.h"
+
 #include <QPainter>
 
 #include <mgba/core/core.h>
@@ -17,10 +19,18 @@ : Display(parent)
 {
 }
 
-void DisplayQt::startDrawing(mCoreThread* context) {
-	context->core->desiredVideoDimensions(context->core, &m_width, &m_height);
+void DisplayQt::startDrawing(std::shared_ptr<CoreController> controller) {
+	QSize size = controller->screenDimensions();
+	m_width = size.width();
+	m_height = size.height();
 	m_backing = std::move(QImage());
 	m_isDrawing = true;
+	m_context = controller;
+}
+
+void DisplayQt::stopDrawing() {
+	m_isDrawing = false;
+	m_context.reset();
 }
 
 void DisplayQt::lockAspectRatio(bool lock) {
@@ -38,8 +48,9 @@ Display::filter(filter);
 	update();
 }
 
-void DisplayQt::framePosted(const uint32_t* buffer) {
+void DisplayQt::framePosted() {
 	update();
+	color_t* buffer = m_context->drawContext();
 	if (const_cast<const QImage&>(m_backing).bits() == reinterpret_cast<const uchar*>(buffer)) {
 		return;
 	}

@@ -19,20 +19,20 @@
 public:
 	DisplayQt(QWidget* parent = nullptr);
 
+	void startDrawing(std::shared_ptr<CoreController>) override;
 	bool isDrawing() const override { return m_isDrawing; }
 	bool supportsShaders() const override { return false; }
 	VideoShader* shaders() override { return nullptr; }
 
 public slots:
-	void startDrawing(mCoreThread* context) override;
-	void stopDrawing() override { m_isDrawing = false; }
+	void stopDrawing() override;
 	void pauseDrawing() override { m_isDrawing = false; }
 	void unpauseDrawing() override { m_isDrawing = true; }
 	void forceDraw() override { update(); }
 	void lockAspectRatio(bool lock) override;
 	void lockIntegerScaling(bool lock) override;
 	void filter(bool filter) override;
-	void framePosted(const uint32_t*) override;
+	void framePosted() override;
 	void setShaders(struct VDir*) override {}
 	void clearShaders() override {}
 
@@ -44,6 +44,7 @@ bool m_isDrawing = false;
 	unsigned m_width;
 	unsigned m_height;
 	QImage m_backing{nullptr};
+	std::shared_ptr<CoreController> m_context = nullptr;
 };
 
 }

@@ -6,9 +6,10 @@ * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
 #include "GBAApp.h"
 
 #include "AudioProcessor.h"
+#include "CoreController.h"
+#include "CoreManager.h"
 #include "ConfigController.h"
 #include "Display.h"
-#include "GameController.h"
 #include "Window.h"
 #include "VFileDevice.h"
 
@@ -57,6 +58,9 @@ }
 
 	reloadGameDB();
 
+	m_manager.setConfig(m_configController->config());
+	m_manager.setMultiplayerController(&m_multiplayer);
+
 	if (!m_configController->getQtOption("audioDriver").isNull()) {
 		AudioProcessor::setDriver(static_cast<AudioProcessor::Driver>(m_configController->getQtOption("audioDriver").toInt()));
 	}
@@ -71,7 +75,8 @@ }
 
 bool GBAApp::event(QEvent* event) {
 	if (event->type() == QEvent::FileOpen) {
-		m_windows[0]->controller()->loadGame(static_cast<QFileOpenEvent*>(event)->file());
+		CoreController* core = m_manager.loadGame(static_cast<QFileOpenEvent*>(event)->file());
+		m_windows[0]->setController(core, static_cast<QFileOpenEvent*>(event)->file());
 		return true;
 	}
 	return QApplication::event(event);
@@ -81,7 +86,7 @@ Window* GBAApp::newWindow() {
 	if (m_windows.count() >= MAX_GBAS) {
 		return nullptr;
 	}
-	Window* w = new Window(m_configController, m_multiplayer.attached());
+	Window* w = new Window(&m_manager, m_configController, m_multiplayer.attached());
 	int windowId = m_multiplayer.attached();
 	connect(w, &Window::destroyed, [this, w]() {
 		m_windows.removeAll(w);
@@ -93,7 +98,6 @@ m_windows.append(w);
 	w->setAttribute(Qt::WA_DeleteOnClose);
 	w->loadConfig();
 	w->show();
-	w->controller()->setMultiplayerController(&m_multiplayer);
 	w->multiplayerChanged();
 	for (Window* w : m_windows) {
 		w->updateMultiplayerStatus(m_windows.count() < MAX_GBAS);
@@ -107,7 +111,7 @@ }
 
 void GBAApp::pauseAll(QList<Window*>* paused) {
 	for (auto& window : m_windows) {
-		if (!window->controller()->isLoaded() || window->controller()->isPaused()) {
+		if (!window->controller() || window->controller()->isPaused()) {
 			continue;
 		}
 		window->controller()->setPaused(true);
@@ -117,7 +121,9 @@ }
 
 void GBAApp::continueAll(const QList<Window*>& paused) {
 	for (auto& window : paused) {
-		window->controller()->setPaused(false);
+		if (window->controller()) {
+			window->controller()->setPaused(false);
+		}
 	}
 }
 

@@ -8,8 +8,12 @@ #define QGBA_APP_H
 
 #include <QApplication>
 #include <QFileDialog>
+#include <QList>
+#include <QObject>
+#include <QString>
 #include <QThread>
 
+#include "CoreManager.h"
 #include "MultiplayerController.h"
 
 struct NoIntroDB;
@@ -70,6 +74,7 @@
 	ConfigController* m_configController;
 	QList<Window*> m_windows;
 	MultiplayerController m_multiplayer;
+	CoreManager m_manager;
 
 	NoIntroDB* m_db = nullptr;
 #ifdef USE_SQLITE3

@@ -5,12 +5,12 @@ * License, v. 2.0. If a copy of the MPL was not distributed with this
  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
 #include "GDBController.h"
 
-#include "GameController.h"
+#include "CoreController.h"
 
 using namespace QGBA;
 
-GDBController::GDBController(GameController* controller, QObject* parent)
-	: DebuggerController(controller, &m_gdbStub.d, parent)
+GDBController::GDBController(QObject* parent)
+	: DebuggerController(&m_gdbStub.d, parent)
 	, m_bindAddress({ IPV4, 0 })
 {
 	GDBStubCreate(&m_gdbStub);
@@ -21,7 +21,7 @@ return m_port;
 }
 
 bool GDBController::isAttached() {
-	return m_gameController->debugger() == &m_gdbStub.d;
+	return m_gameController && m_gameController->debugger() == &m_gdbStub.d;
 }
 
 void GDBController::setPort(ushort port) {
@@ -34,7 +34,7 @@ m_bindAddress.ipv4 = htonl(bindAddress);
 }
 
 void GDBController::listen() {
-	GameController::Interrupter interrupter(m_gameController);
+	CoreController::Interrupter interrupter(m_gameController);
 	if (!isAttached()) {
 		attach();
 	}

@@ -14,13 +14,13 @@ #include <mgba/internal/debugger/gdb-stub.h>
 
 namespace QGBA {
 
-class GameController;
+class CoreController;
 
 class GDBController : public DebuggerController {
 Q_OBJECT
 
 public:
-	GDBController(GameController* controller, QObject* parent = nullptr);
+	GDBController(QObject* parent = nullptr);
 
 public:
 	ushort port();
@@ -38,7 +38,7 @@
 private:
 	virtual void shutdownInternal() override;
 
-	GDBStub m_gdbStub;
+	GDBStub m_gdbStub{};
 
 	ushort m_port = 2345;
 	Address m_bindAddress;

@@ -7,6 +7,7 @@ #include "GIFView.h"
 
 #ifdef USE_MAGICK
 
+#include "CoreController.h"
 #include "GBAApp.h"
 #include "LogController.h"
 
@@ -37,6 +38,12 @@ }
 
 GIFView::~GIFView() {
 	stopRecording();
+}
+
+void GIFView::setController(std::shared_ptr<CoreController> controller) {
+	connect(controller.get(), &CoreController::stopping, this, &GIFView::stopRecording);
+	connect(this, &GIFView::recordingStarted, controller.get(), &CoreController::setAVStream);
+	connect(this, &GIFView::recordingStopped, controller.get(), &CoreController::clearAVStream, Qt::DirectConnection);
 }
 
 void GIFView::startRecording() {

@@ -10,11 +10,15 @@ #ifdef USE_MAGICK
 
 #include <QWidget>
 
+#include <memory>
+
 #include "ui_GIFView.h"
 
 #include "feature/imagemagick/imagemagick-gif-encoder.h"
 
 namespace QGBA {
+
+class CoreController;
 
 class GIFView : public QWidget {
 Q_OBJECT
@@ -26,6 +30,8 @@
 	mAVStream* getStream() { return &m_encoder.d; }
 
 public slots:
+	void setController(std::shared_ptr<CoreController>);
+
 	void startRecording();
 	void stopRecording();
 

@@ -1,1288 +0,0 @@
-/* Copyright (c) 2013-2014 Jeffrey Pfau
- *
- * This Source Code Form is subject to the terms of the Mozilla Public
- * License, v. 2.0. If a copy of the MPL was not distributed with this
- * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
-#include "GameController.h"
-
-#include "AudioProcessor.h"
-#include "InputController.h"
-#include "LogController.h"
-#include "MultiplayerController.h"
-#include "Override.h"
-#include "VFileDevice.h"
-
-#include <QCoreApplication>
-#include <QDateTime>
-
-#include <ctime>
-
-#include <mgba/core/config.h>
-#include <mgba/core/directories.h>
-#include <mgba/core/serialize.h>
-#include <mgba/core/tile-cache.h>
-#ifdef M_CORE_GBA
-#include <mgba/gba/interface.h>
-#include <mgba/internal/gba/gba.h>
-#include <mgba/gba/core.h>
-#include <mgba/internal/gba/renderers/tile-cache.h>
-#include <mgba/internal/gba/sharkport.h>
-#endif
-#ifdef M_CORE_GB
-#include <mgba/internal/gb/gb.h>
-#include <mgba/internal/gb/renderers/tile-cache.h>
-#endif
-#include <mgba-util/vfs.h>
-#include <mgba/feature/video-logger.h>
-
-using namespace QGBA;
-using namespace std;
-
-GameController::GameController(QObject* parent)
-	: QObject(parent)
-	, m_audioProcessor(AudioProcessor::create())
-	, m_saveStateFlags(SAVESTATE_SCREENSHOT | SAVESTATE_SAVEDATA | SAVESTATE_CHEATS | SAVESTATE_RTC | SAVESTATE_METADATA)
-	, m_loadStateFlags(SAVESTATE_SCREENSHOT | SAVESTATE_RTC)
-{
-#ifdef M_CORE_GBA
-	m_lux.p = this;
-	m_lux.sample = [](GBALuminanceSource* context) {
-		GameControllerLux* lux = static_cast<GameControllerLux*>(context);
-		lux->value = 0xFF - lux->p->m_luxValue;
-	};
-
-	m_lux.readLuminance = [](GBALuminanceSource* context) {
-		GameControllerLux* lux = static_cast<GameControllerLux*>(context);
-		return lux->value;
-	};
-	setLuminanceLevel(0);
-#endif
-
-	m_threadContext.startCallback = [](mCoreThread* context) {
-		GameController* controller = static_cast<GameController*>(context->userData);
-		context->core->setPeripheral(context->core, mPERIPH_ROTATION, controller->m_inputController->rotationSource());
-		context->core->setPeripheral(context->core, mPERIPH_RUMBLE, controller->m_inputController->rumble());
-
-		for (size_t i = 0; i < controller->m_audioChannels.size(); ++i) {
-			context->core->enableAudioChannel(context->core, i, controller->m_audioChannels[i]);
-		}
-		for (size_t i = 0; i < controller->m_videoLayers.size(); ++i) {
-			context->core->enableVideoLayer(context->core, i, controller->m_videoLayers[i]);
-		}
-
-		switch (context->core->platform(context->core)) {
-#ifdef M_CORE_GBA
-		case PLATFORM_GBA:
-			context->core->setPeripheral(context->core, mPERIPH_GBA_LUMINANCE, &controller->m_lux);
-			break;
-#endif
-		default:
-			break;
-		}
-		controller->m_fpsTarget = context->impl->sync.fpsTarget;
-
-		if (controller->m_override) {
-			controller->m_override->identify(context->core);
-			controller->m_override->apply(context->core);
-		}
-
-		if (mCoreLoadState(context->core, 0, controller->m_loadStateFlags)) {
-			mCoreDeleteState(context->core, 0);
-		}
-
-		controller->m_gameOpen = true;
-		if (controller->m_multiplayer) {
-			controller->m_multiplayer->attachGame(controller);
-		}
-
-		QString path = controller->m_fname;
-		if (!controller->m_fsub.isEmpty()) {
-			path += QDir::separator() + controller->m_fsub;
-		}
-		QMetaObject::invokeMethod(controller, "gameStarted", Q_ARG(mCoreThread*, context), Q_ARG(const QString&, path));
-		QMetaObject::invokeMethod(controller, "startAudio");
-	};
-
-	m_threadContext.resetCallback = [](mCoreThread* context) {
-		GameController* controller = static_cast<GameController*>(context->userData);
-		for (auto action : controller->m_resetActions) {
-			action();
-		}
-		controller->m_resetActions.clear();
-
-		unsigned width, height;
-		controller->m_threadContext.core->desiredVideoDimensions(controller->m_threadContext.core, &width, &height);
-		memset(controller->m_frontBuffer, 0xFF, width * height * BYTES_PER_PIXEL);
-		QMetaObject::invokeMethod(controller, "frameAvailable", Q_ARG(const uint32_t*, controller->m_frontBuffer));
-		if (controller->m_pauseAfterFrame.testAndSetAcquire(true, false)) {
-			mCoreThreadPauseFromThread(context);
-			QMetaObject::invokeMethod(controller, "gamePaused", Q_ARG(mCoreThread*, context));
-		}
-	};
-
-	m_threadContext.cleanCallback = [](mCoreThread* context) {
-		GameController* controller = static_cast<GameController*>(context->userData);
-
-		if (controller->m_multiplayer) {
-			controller->m_multiplayer->detachGame(controller);
-		}
-		controller->clearOverride();
-		controller->endVideoLog();
-
-		QMetaObject::invokeMethod(controller->m_audioProcessor, "pause");
-
-		QMetaObject::invokeMethod(controller, "gameStopped", Q_ARG(mCoreThread*, context));
-		QMetaObject::invokeMethod(controller, "cleanGame");
-	};
-
-	m_threadContext.frameCallback = [](mCoreThread* context) {
-		GameController* controller = static_cast<GameController*>(context->userData);
-		unsigned width, height;
-		controller->m_threadContext.core->desiredVideoDimensions(controller->m_threadContext.core, &width, &height);
-		memcpy(controller->m_frontBuffer, controller->m_drawContext, width * height * BYTES_PER_PIXEL);
-		QMetaObject::invokeMethod(controller, "frameAvailable", Q_ARG(const uint32_t*, controller->m_frontBuffer));
-
-		// If no one is using the tile cache, disable it
-		if (controller->m_tileCache && controller->m_tileCache.unique()) {
-			switch (controller->platform()) {
-#ifdef M_CORE_GBA
-			case PLATFORM_GBA: {
-				GBA* gba = static_cast<GBA*>(context->core->board);
-				gba->video.renderer->cache = nullptr;
-				break;
-			}
-#endif
-#ifdef M_CORE_GB
-			case PLATFORM_GB: {
-				GB* gb = static_cast<GB*>(context->core->board);
-				gb->video.renderer->cache = nullptr;
-				break;
-			}
-#endif
-			default:
-				break;
-			}
-			mTileCacheDeinit(controller->m_tileCache.get());
-			controller->m_tileCache.reset();
-		}
-
-
-		if (controller->m_pauseAfterFrame.testAndSetAcquire(true, false)) {
-			mCoreThreadPauseFromThread(context);
-			QMetaObject::invokeMethod(controller, "gamePaused", Q_ARG(mCoreThread*, context));
-		}
-	};
-
-	m_threadContext.sleepCallback = [](mCoreThread* context) {
-		if (!context) {
-			return;
-		}
-		GameController* controller = static_cast<GameController*>(context->userData);
-		if (!mCoreSaveState(context->core, 0, controller->m_saveStateFlags)) {
-			return;
-		}
-		QMetaObject::invokeMethod(controller, "closeGame");
-	};
-
-	m_threadContext.logger.d.log = [](mLogger* logger, int category, enum mLogLevel level, const char* format, va_list args) {
-		mThreadLogger* logContext = reinterpret_cast<mThreadLogger*>(logger);
-		mCoreThread* context = logContext->p;
-
-		static const char* savestateMessage = "State %i loaded";
-		static const char* savestateFailedMessage = "State %i failed to load";
-		static int biosCat = -1;
-		static int statusCat = -1;
-		if (!context) {
-			return;
-		}
-		GameController* controller = static_cast<GameController*>(context->userData);
-		QString message;
-		if (biosCat < 0) {
-			biosCat = mLogCategoryById("gba.bios");
-		}
-		if (statusCat < 0) {
-			statusCat = mLogCategoryById("core.status");
-		}
-#ifdef M_CORE_GBA
-		if (level == mLOG_STUB && category == biosCat) {
-			va_list argc;
-			va_copy(argc, args);
-			int immediate = va_arg(argc, int);
-			va_end(argc);
-			QMetaObject::invokeMethod(controller, "unimplementedBiosCall", Q_ARG(int, immediate));
-		} else
-#endif
-		if (category == statusCat) {
-			// Slot 0 is reserved for suspend points
-			if (strncmp(savestateMessage, format, strlen(savestateMessage)) == 0) {
-				va_list argc;
-				va_copy(argc, args);
-				int slot = va_arg(argc, int);
-				va_end(argc);
-				if (slot == 0) {
-					format = "Loaded suspend state";
-				}
-			} else if (strncmp(savestateFailedMessage, format, strlen(savestateFailedMessage)) == 0) {
-				va_list argc;
-				va_copy(argc, args);
-				int slot = va_arg(argc, int);
-				va_end(argc);
-				if (slot == 0) {
-					return;
-				}
-			}
-			message = QString().vsprintf(format, args);
-			QMetaObject::invokeMethod(controller, "statusPosted", Q_ARG(const QString&, message));
-		}
-		if (level == mLOG_FATAL) {
-			mCoreThreadMarkCrashed(controller->thread());
-			QMetaObject::invokeMethod(controller, "crashGame", Q_ARG(const QString&, QString().vsprintf(format, args)));
-		} else if (!(controller->m_logLevels & level)) {
-			return;
-		}
-		message = QString().vsprintf(format, args);
-		QMetaObject::invokeMethod(controller, "postLog", Q_ARG(int, level), Q_ARG(int, category), Q_ARG(const QString&, message));
-	};
-
-	m_threadContext.userData = this;
-
-	connect(this, &GameController::gamePaused, m_audioProcessor, &AudioProcessor::pause);
-	connect(this, &GameController::gameStarted, m_audioProcessor, &AudioProcessor::setInput);
-	connect(this, &GameController::frameAvailable, this, &GameController::pollEvents);
-	connect(this, &GameController::frameAvailable, this, &GameController::updateAutofire);
-}
-
-GameController::~GameController() {
-	disconnect();
-	closeGame();
-	clearMultiplayerController();
-	delete m_backupLoadState;
-}
-
-void GameController::setMultiplayerController(MultiplayerController* controller) {
-	if (controller == m_multiplayer) {
-		return;
-	}
-	clearMultiplayerController();
-	m_multiplayer = controller;
-	if (isLoaded()) {
-		mCoreThreadRunFunction(&m_threadContext, [](mCoreThread* thread) {
-			GameController* controller = static_cast<GameController*>(thread->userData);
-			controller->m_multiplayer->attachGame(controller);
-		});
-	}
-}
-
-void GameController::clearMultiplayerController() {
-	if (!m_multiplayer) {
-		return;
-	}
-	m_multiplayer->detachGame(this);
-	m_multiplayer = nullptr;
-}
-
-void GameController::setOverride(Override* override) {
-	m_override = override;
-	if (isLoaded()) {
-		Interrupter interrupter(this);
-		m_override->identify(m_threadContext.core);
-	}
-}
-
-void GameController::clearOverride() {
-	delete m_override;
-	m_override = nullptr;
-}
-
-void GameController::setConfig(const mCoreConfig* config) {
-	m_config = config;
-	if (isLoaded()) {
-		Interrupter interrupter(this);
-		mCoreLoadForeignConfig(m_threadContext.core, config);
-		m_audioSync = m_threadContext.impl->sync.audioWait;
-		m_videoSync = m_threadContext.impl->sync.videoFrameWait;
-		m_audioProcessor->setInput(&m_threadContext);
-	}
-}
-
-#ifdef USE_DEBUGGERS
-mDebugger* GameController::debugger() {
-	if (!isLoaded()) {
-		return nullptr;
-	}
-	return m_threadContext.core->debugger;
-}
-
-void GameController::setDebugger(mDebugger* debugger) {
-	Interrupter interrupter(this);
-	if (debugger) {
-		mDebuggerAttach(debugger, m_threadContext.core);
-	} else {
-		m_threadContext.core->detachDebugger(m_threadContext.core);
-	}
-}
-#endif
-
-void GameController::loadGame(const QString& path) {
-	closeGame();
-	QFileInfo info(path);
-	if (!info.isReadable()) {
-		QString fname = info.fileName();
-		QString base = info.path();
-		if (base.endsWith("/") || base.endsWith(QDir::separator())) {
-			base.chop(1);
-		}
-		VDir* dir = VDirOpenArchive(base.toUtf8().constData());
-		if (dir) {
-			VFile* vf = dir->openFile(dir, fname.toUtf8().constData(), O_RDONLY);
-			if (vf) {
-				struct VFile* vfclone = VFileMemChunk(NULL, vf->size(vf));
-				uint8_t buffer[2048];
-				ssize_t read;
-				while ((read = vf->read(vf, buffer, sizeof(buffer))) > 0) {
-					vfclone->write(vfclone, buffer, read);
-				}
-				vf->close(vf);
-				vf = vfclone;
-			}
-			dir->close(dir);
-			loadGame(vf, fname, base);
-		} else {
-			LOG(QT, ERROR) << tr("Failed to open game file: %1").arg(path);
-		}
-		return;
-	} else {
-		m_fname = info.canonicalFilePath();
-		m_fsub = QString();
-	}
-	m_vf = nullptr;
-	openGame();
-}
-
-void GameController::loadGame(VFile* vf, const QString& path, const QString& base) {
-	closeGame();
-	QFileInfo info(base);
-	if (info.isDir()) {
-		m_fname = QFileInfo(base + '/' + path).canonicalFilePath();
-		m_fsub = QString();
-	} else {
-		m_fname = info.canonicalFilePath();
-		m_fsub = path;
-	}
-	m_vf = vf;
-	openGame();
-}
-
-void GameController::bootBIOS() {
-	closeGame();
-	m_fname = QString();
-	openGame(true);
-}
-
-void GameController::openGame(bool biosOnly) {
-	if (m_fname.isEmpty()) {
-		biosOnly = true;
-	}
-	if (isLoaded()) {
-		// We need to delay if the game is still cleaning up
-		QTimer::singleShot(10, this, SLOT(openGame()));
-		return;
-	} else if(m_gameOpen) {
-		cleanGame();
-	}
-
-	m_threadContext.core = nullptr;
-	if (!biosOnly) {
-		if (m_vf) {
-			m_threadContext.core = mCoreFindVF(m_vf);
-		} else {
-			m_threadContext.core = mCoreFind(m_fname.toUtf8().constData());
-		}
-#ifdef M_CORE_GBA
-	} else {
-		m_threadContext.core = GBACoreCreate();
-#endif
-	}
-
-	if (!m_threadContext.core) {
-		return;
-	}
-
-	m_pauseAfterFrame = false;
-
-	m_threadContext.core->init(m_threadContext.core);
-	mCoreInitConfig(m_threadContext.core, nullptr);
-
-	unsigned width, height;
-	m_threadContext.core->desiredVideoDimensions(m_threadContext.core, &width, &height);
-	m_drawContext = new uint32_t[width * height];
-	m_frontBuffer = new uint32_t[width * height];
-
-	if (m_config) {
-		mCoreLoadForeignConfig(m_threadContext.core, m_config);
-	}
-
-	QByteArray bytes;
-	if (!biosOnly) {
-		bytes = m_fname.toUtf8();
-		if (m_preload) {
-			if (m_vf) {
-				mCorePreloadVF(m_threadContext.core, m_vf);
-			} else {
-				mCorePreloadFile(m_threadContext.core, bytes.constData());
-				mDirectorySetDetachBase(&m_threadContext.core->dirs);
-			}
-		} else {
-			if (m_vf) {
-				m_threadContext.core->loadROM(m_threadContext.core, m_vf);
-			} else {
-				mCoreLoadFile(m_threadContext.core, bytes.constData());
-				mDirectorySetDetachBase(&m_threadContext.core->dirs);
-			}
-		}
-	} else {
-		bytes = m_bios.toUtf8();
-	}
-	if (bytes.isNull()) {
-		return;
-	}
-
-	char dirname[PATH_MAX];
-	separatePath(bytes.constData(), dirname, m_threadContext.core->dirs.baseName, 0);
-	mDirectorySetAttachBase(&m_threadContext.core->dirs, VDirOpen(dirname));
-
-	m_threadContext.core->setVideoBuffer(m_threadContext.core, m_drawContext, width);
-
-	m_inputController->recalibrateAxes();
-	memset(m_drawContext, 0xF8, width * height * 4);
-
-	m_threadContext.core->setAVStream(m_threadContext.core, m_stream);
-
-	if (!biosOnly) {
-		mCoreAutoloadSave(m_threadContext.core);
-		if (!m_patch.isNull()) {
-			VFile* patch = VFileDevice::open(m_patch, O_RDONLY);
-			if (patch) {
-				m_threadContext.core->loadPatch(m_threadContext.core, patch);
-			}
-			patch->close(patch);
-			m_patch = QString();
-		} else {
-			mCoreAutoloadPatch(m_threadContext.core);
-		}
-	}
-	m_vf = nullptr;
-
-	if (!mCoreThreadStart(&m_threadContext)) {
-		emit gameFailed();
-	}
-	if (m_turbo) {
-		m_threadContext.impl->sync.videoFrameWait = false;
-		m_threadContext.impl->sync.audioWait = false;
-	} else {
-		m_threadContext.impl->sync.videoFrameWait = m_videoSync;
-		m_threadContext.impl->sync.audioWait = m_audioSync;
-	}
-}
-
-void GameController::loadBIOS(int platform, const QString& path) {
-	if (m_bios == path) {
-		return;
-	}
-	if (!m_bios.isNull() && m_gameOpen && this->platform() == platform) {
-		closeGame();
-		m_bios = path;
-		openGame();
-	} else if (!m_gameOpen || m_bios.isNull()) {
-		m_bios = path;
-	}
-}
-
-void GameController::loadSave(const QString& path, bool temporary) {
-	if (!isLoaded()) {
-		return;
-	}
-	m_resetActions.append([this, path, temporary]() {
-		VFile* vf = VFileDevice::open(path, temporary ? O_RDONLY : O_RDWR);
-		if (!vf) {
-			LOG(QT, ERROR) << tr("Failed to open save file: %1").arg(path);
-			return;
-		}
-
-		if (temporary) {
-			m_threadContext.core->loadTemporarySave(m_threadContext.core, vf);
-		} else {
-			m_threadContext.core->loadSave(m_threadContext.core, vf);
-		}
-	});
-	reset();
-}
-
-void GameController::yankPak() {
-	if (!m_gameOpen) {
-		return;
-	}
-	Interrupter interrupter(this);
-	GBAYankROM(static_cast<GBA*>(m_threadContext.core->board));
-}
-
-void GameController::replaceGame(const QString& path) {
-	if (!m_gameOpen) {
-		return;
-	}
-
-	QFileInfo info(path);
-	if (!info.isReadable()) {
-		LOG(QT, ERROR) << tr("Failed to open game file: %1").arg(path);
-		return;
-	}
-	m_fname = info.canonicalFilePath();
-	Interrupter interrupter(this);
-	mDirectorySetDetachBase(&m_threadContext.core->dirs);
-	mCoreLoadFile(m_threadContext.core, m_fname.toLocal8Bit().constData());
-}
-
-void GameController::loadPatch(const QString& path) {
-	m_patch = path;
-	if (m_gameOpen) {
-		closeGame();
-		openGame();
-	}
-}
-
-void GameController::importSharkport(const QString& path) {
-	if (!isLoaded()) {
-		return;
-	}
-#ifdef M_CORE_GBA
-	if (platform() != PLATFORM_GBA) {
-		return;
-	}
-	VFile* vf = VFileDevice::open(path, O_RDONLY);
-	if (!vf) {
-		LOG(QT, ERROR) << tr("Failed to open snapshot file for reading: %1").arg(path);
-		return;
-	}
-	threadInterrupt();
-	GBASavedataImportSharkPort(static_cast<GBA*>(m_threadContext.core->board), vf, false);
-	threadContinue();
-	vf->close(vf);
-#endif
-}
-
-void GameController::exportSharkport(const QString& path) {
-	if (!isLoaded()) {
-		return;
-	}
-#ifdef M_CORE_GBA
-	if (platform() != PLATFORM_GBA) {
-		return;
-	}
-	VFile* vf = VFileDevice::open(path, O_WRONLY | O_CREAT | O_TRUNC);
-	if (!vf) {
-		LOG(QT, ERROR) << tr("Failed to open snapshot file for writing: %1").arg(path);
-		return;
-	}
-	threadInterrupt();
-	GBASavedataExportSharkPort(static_cast<GBA*>(m_threadContext.core->board), vf);
-	threadContinue();
-	vf->close(vf);
-#endif
-}
-
-void GameController::closeGame() {
-	if (!m_gameOpen) {
-		return;
-	}
-#ifdef USE_DEBUGGERS
-	setDebugger(nullptr);
-#endif
-	if (mCoreThreadIsPaused(&m_threadContext)) {
-		mCoreThreadUnpause(&m_threadContext);
-	}
-	mCoreThreadEnd(&m_threadContext);
-}
-
-void GameController::cleanGame() {
-	if (!m_gameOpen || mCoreThreadIsActive(&m_threadContext)) {
-		return;
-	}
-
-	m_audioProcessor->pause();
-	mCoreThreadJoin(&m_threadContext);
-
-	if (m_tileCache) {
-		mTileCacheDeinit(m_tileCache.get());
-		m_tileCache.reset();
-	}
-
-	delete[] m_drawContext;
-	delete[] m_frontBuffer;
-
-	mCoreConfigDeinit(&m_threadContext.core->config);
-	m_threadContext.core->deinit(m_threadContext.core);
-	m_threadContext.core = nullptr;
-	m_gameOpen = false;
-}
-
-void GameController::crashGame(const QString& crashMessage) {
-	closeGame();
-	emit gameCrashed(crashMessage);
-}
-
-bool GameController::isPaused() {
-	if (!m_gameOpen) {
-		return false;
-	}
-	return mCoreThreadIsPaused(&m_threadContext);
-}
-
-mPlatform GameController::platform() const {
-	if (!m_gameOpen) {
-		return PLATFORM_NONE;
-	}
-	return m_threadContext.core->platform(m_threadContext.core);
-}
-
-QSize GameController::screenDimensions() const {
-	if (!m_gameOpen) {
-		return QSize();
-	}
-	unsigned width, height;
-	m_threadContext.core->desiredVideoDimensions(m_threadContext.core, &width, &height);
-
-	return QSize(width, height);
-}
-
-void GameController::setPaused(bool paused) {
-	if (!isLoaded() || paused == mCoreThreadIsPaused(&m_threadContext)) {
-		return;
-	}
-	m_wasPaused = paused;
-	if (paused) {
-		m_pauseAfterFrame.testAndSetRelaxed(false, true);
-	} else {
-		mCoreThreadUnpause(&m_threadContext);
-		startAudio();
-		emit gameUnpaused(&m_threadContext);
-	}
-}
-
-void GameController::reset() {
-	if (!m_gameOpen) {
-		return;
-	}
-	bool wasPaused = isPaused();
-	setPaused(false);
-	Interrupter interrupter(this);
-	mCoreThreadReset(&m_threadContext);
-	if (wasPaused) {
-		setPaused(true);
-	}
-}
-
-void GameController::threadInterrupt() {
-	if (m_gameOpen) {
-		mCoreThreadInterrupt(&m_threadContext);
-	}
-}
-
-void GameController::threadContinue() {
-	if (m_gameOpen) {
-		mCoreThreadContinue(&m_threadContext);
-	}
-}
-
-void GameController::frameAdvance() {
-	if (m_pauseAfterFrame.testAndSetRelaxed(false, true)) {
-		setPaused(false);
-		m_wasPaused = true;
-	}
-}
-
-void GameController::setRewind(bool enable, int capacity, bool rewindSave) {
-	if (m_gameOpen) {
-		Interrupter interrupter(this);
-		if (m_threadContext.core->opts.rewindEnable && m_threadContext.core->opts.rewindBufferCapacity > 0) {
-			mCoreRewindContextDeinit(&m_threadContext.impl->rewind);
-		}
-		m_threadContext.core->opts.rewindEnable = enable;
-		m_threadContext.core->opts.rewindBufferCapacity = capacity;
-		m_threadContext.core->opts.rewindSave = rewindSave;
-		if (enable && capacity > 0) {
-			mCoreRewindContextInit(&m_threadContext.impl->rewind, capacity, true);
-			m_threadContext.impl->rewind.stateFlags = rewindSave ? SAVESTATE_SAVEDATA : 0;
-		}
-	}
-}
-
-void GameController::rewind(int states) {
-	threadInterrupt();
-	if (!states) {
-		states = INT_MAX;
-	}
-	for (int i = 0; i < states; ++i) {
-		if (!mCoreRewindRestore(&m_threadContext.impl->rewind, m_threadContext.core)) {
-			break;
-		}
-	}
-	threadContinue();
-	emit frameAvailable(m_drawContext);
-	emit rewound(&m_threadContext);
-}
-
-void GameController::startRewinding() {
-	if (!isLoaded()) {
-		return;
-	}
-	if (!m_threadContext.core->opts.rewindEnable) {
-		return;
-	}
-	if (m_multiplayer && m_multiplayer->attached() > 1) {
-		return;
-	}
-	if (m_wasPaused) {
-		setPaused(false);
-		m_wasPaused = true;
-	}
-	mCoreThreadSetRewinding(&m_threadContext, true);
-}
-
-void GameController::stopRewinding() {
-	if (!isLoaded()) {
-		return;
-	}
-	mCoreThreadSetRewinding(&m_threadContext, false);
-	bool signalsBlocked = blockSignals(true);
-	setPaused(m_wasPaused);
-	blockSignals(signalsBlocked);
-}
-
-void GameController::keyPressed(int key) {
-	int mappedKey = 1 << key;
-	m_activeKeys |= mappedKey;
-	if (!m_inputController->allowOpposing()) {
-		if ((m_activeKeys & 0x30) == 0x30) {
-			m_inactiveKeys |= mappedKey ^ 0x30;
-			m_activeKeys ^= mappedKey ^ 0x30;
-		}
-		if ((m_activeKeys & 0xC0) == 0xC0) {
-			m_inactiveKeys |= mappedKey ^ 0xC0;
-			m_activeKeys ^= mappedKey ^ 0xC0;
-		}
-	}
-	updateKeys();
-}
-
-void GameController::keyReleased(int key) {
-	int mappedKey = 1 << key;
-	m_activeKeys &= ~mappedKey;
-	if (!m_inputController->allowOpposing()) {
-		if (mappedKey & 0x30) {
-			m_activeKeys |= m_inactiveKeys & (0x30 ^ mappedKey);
-			m_inactiveKeys &= ~0x30;
-		}
-		if (mappedKey & 0xC0) {
-			m_activeKeys |= m_inactiveKeys & (0xC0 ^ mappedKey);
-			m_inactiveKeys &= ~0xC0;
-		}
-	}
-	updateKeys();
-}
-
-void GameController::clearKeys() {
-	m_activeKeys = 0;
-	m_inactiveKeys = 0;
-	updateKeys();
-}
-
-void GameController::setAutofire(int key, bool enable) {
-	if (key >= GBA_KEY_MAX || key < 0) {
-		return;
-	}
-
-	if (!enable && m_autofireStatus[key]) {
-		keyReleased(key);
-	}
-
-	m_autofire[key] = enable;
-	m_autofireStatus[key] = 0;
-}
-
-void GameController::setAudioBufferSamples(int samples) {
-	if (m_audioProcessor) {
-		threadInterrupt();
-		redoSamples(samples);
-		threadContinue();
-		m_audioProcessor->setBufferSamples(samples);
-	}
-}
-
-void GameController::setAudioSampleRate(unsigned rate) {
-	if (!rate) {
-		return;
-	}
-	if (m_audioProcessor) {
-		threadInterrupt();
-		redoSamples(m_audioProcessor->getBufferSamples());
-		threadContinue();
-		m_audioProcessor->requestSampleRate(rate);
-	}
-}
-
-void GameController::setAudioChannelEnabled(int channel, bool enable) {
-	if (channel > 5 || channel < 0) {
-		return;
-	}
-	m_audioChannels.reserve(channel + 1);
-	while (m_audioChannels.size() <= channel) {
-		m_audioChannels.append(true);
-	}
-	m_audioChannels[channel] = enable;
-	if (isLoaded()) {
-		m_threadContext.core->enableAudioChannel(m_threadContext.core, channel, enable);
-	}
-}
-
-void GameController::startAudio() {
-	if (!m_audioProcessor->start()) {
-		LOG(QT, ERROR) << tr("Failed to start audio processor");
-		// Don't freeze!
-		m_audioSync = false;
-		m_videoSync = true;
-		if (isLoaded()) {
-			m_threadContext.impl->sync.audioWait = false;
-			m_threadContext.impl->sync.videoFrameWait = true;
-		}
-	}
-}
-
-void GameController::setVideoLayerEnabled(int layer, bool enable) {
-	if (layer > 4 || layer < 0) {
-		return;
-	}
-	m_videoLayers.reserve(layer + 1);
-	while (m_videoLayers.size() <= layer) {
-		m_videoLayers.append(true);
-	}
-	m_videoLayers[layer] = enable;
-	if (isLoaded()) {
-		m_threadContext.core->enableVideoLayer(m_threadContext.core, layer, enable);
-	}
-}
-
-void GameController::setFPSTarget(float fps) {
-	Interrupter interrupter(this);
-	m_fpsTarget = fps;
-	if (isLoaded()) {
-		m_threadContext.impl->sync.fpsTarget = fps;
-		if (m_turbo && m_turboSpeed > 0) {
-			m_threadContext.impl->sync.fpsTarget *= m_turboSpeed;
-		}
-	}
-	if (m_audioProcessor) {
-		redoSamples(m_audioProcessor->getBufferSamples());
-	}
-}
-
-void GameController::setUseBIOS(bool use) {
-	if (use == m_useBios) {
-		return;
-	}
-	m_useBios = use;
-	if (m_gameOpen) {
-		closeGame();
-		openGame();
-	}
-}
-
-void GameController::loadState(int slot) {
-	if (m_fname.isEmpty()) {
-		// We're in the BIOS
-		return;
-	}
-	if (slot > 0 && slot != m_stateSlot) {
-		m_stateSlot = slot;
-		m_backupSaveState.clear();
-	}
-	mCoreThreadRunFunction(&m_threadContext, [](mCoreThread* context) {
-		GameController* controller = static_cast<GameController*>(context->userData);
-		if (!controller->m_backupLoadState) {
-			controller->m_backupLoadState = VFileMemChunk(nullptr, 0);
-		}
-		mCoreLoadStateNamed(context->core, controller->m_backupLoadState, controller->m_saveStateFlags);
-		if (mCoreLoadState(context->core, controller->m_stateSlot, controller->m_loadStateFlags)) {
-			emit controller->frameAvailable(controller->m_drawContext);
-			emit controller->stateLoaded(context);
-		}
-	});
-}
-
-void GameController::saveState(int slot) {
-	if (m_fname.isEmpty()) {
-		// We're in the BIOS
-		return;
-	}
-	if (slot > 0) {
-		m_stateSlot = slot;
-	}
-	mCoreThreadRunFunction(&m_threadContext, [](mCoreThread* context) {
-		GameController* controller = static_cast<GameController*>(context->userData);
-		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);
-		}
-		mCoreSaveState(context->core, controller->m_stateSlot, controller->m_saveStateFlags);
-	});
-}
-
-void GameController::loadBackupState() {
-	if (!m_backupLoadState) {
-		return;
-	}
-
-	mCoreThreadRunFunction(&m_threadContext, [](mCoreThread* context) {
-		GameController* controller = static_cast<GameController*>(context->userData);
-		controller->m_backupLoadState->seek(controller->m_backupLoadState, 0, SEEK_SET);
-		if (mCoreLoadStateNamed(context->core, controller->m_backupLoadState, controller->m_loadStateFlags)) {
-			mLOG(STATUS, INFO, "Undid state load");
-			controller->frameAvailable(controller->m_drawContext);
-			controller->stateLoaded(context);
-		}
-		controller->m_backupLoadState->close(controller->m_backupLoadState);
-		controller->m_backupLoadState = nullptr;
-	});
-}
-
-void GameController::saveBackupState() {
-	if (m_backupSaveState.isEmpty()) {
-		return;
-	}
-
-	mCoreThreadRunFunction(&m_threadContext, [](mCoreThread* context) {
-		GameController* controller = static_cast<GameController*>(context->userData);
-		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);
-			mLOG(STATUS, INFO, "Undid state save");
-		}
-		controller->m_backupSaveState.clear();
-	});
-}
-
-void GameController::setTurbo(bool set, bool forced) {
-	if (m_turboForced && !forced) {
-		return;
-	}
-	if (m_turbo == set && m_turboForced == (set && forced)) {
-		// Don't interrupt the thread if we don't need to
-		return;
-	}
-	if (!m_sync) {
-		return;
-	}
-	m_turbo = set;
-	m_turboForced = set && forced;
-	enableTurbo();
-}
-
-void GameController::setTurboSpeed(float ratio) {
-	m_turboSpeed = ratio;
-	enableTurbo();
-}
-
-void GameController::enableTurbo() {
-	Interrupter interrupter(this);
-	if (!isLoaded()) {
-		return;
-	}
-	bool shouldRedoSamples = false;
-	if (!m_turbo) {
-		shouldRedoSamples = m_threadContext.impl->sync.fpsTarget != m_fpsTarget;
-		m_threadContext.impl->sync.fpsTarget = m_fpsTarget;
-		m_threadContext.impl->sync.audioWait = m_audioSync;
-		m_threadContext.impl->sync.videoFrameWait = m_videoSync;
-	} else if (m_turboSpeed <= 0) {
-		shouldRedoSamples = m_threadContext.impl->sync.fpsTarget != m_fpsTarget;
-		m_threadContext.impl->sync.fpsTarget = m_fpsTarget;
-		m_threadContext.impl->sync.audioWait = false;
-		m_threadContext.impl->sync.videoFrameWait = false;
-	} else {
-		shouldRedoSamples = m_threadContext.impl->sync.fpsTarget != m_fpsTarget * m_turboSpeed;
-		m_threadContext.impl->sync.fpsTarget = m_fpsTarget * m_turboSpeed;
-		m_threadContext.impl->sync.audioWait = true;
-		m_threadContext.impl->sync.videoFrameWait = false;
-	}
-	if (m_audioProcessor && shouldRedoSamples) {
-		redoSamples(m_audioProcessor->getBufferSamples());
-	}
-}
-
-void GameController::setSync(bool enable) {
-	m_turbo = false;
-	m_turboForced = false;
-	if (isLoaded()) {
-		if (!enable) {
-			m_threadContext.impl->sync.audioWait = false;
-			m_threadContext.impl->sync.videoFrameWait = false;
-		} else {
-			m_threadContext.impl->sync.audioWait = m_audioSync;
-			m_threadContext.impl->sync.videoFrameWait = m_videoSync;
-		}
-	}
-	m_sync = enable;
-}
-
-void GameController::setAudioSync(bool enable) {
-	m_audioSync = enable;
-	if (isLoaded()) {
-		m_threadContext.impl->sync.audioWait = enable;
-	}
-}
-
-void GameController::setVideoSync(bool enable) {
-	m_videoSync = enable;
-	if (isLoaded()) {
-		m_threadContext.impl->sync.videoFrameWait = enable;
-	}
-}
-
-void GameController::setAVStream(mAVStream* stream) {
-	Interrupter interrupter(this);
-	m_stream = stream;
-	if (isLoaded()) {
-		m_threadContext.core->setAVStream(m_threadContext.core, stream);
-	}
-}
-
-void GameController::clearAVStream() {
-	Interrupter interrupter(this);
-	m_stream = nullptr;
-	if (isLoaded()) {
-		m_threadContext.core->setAVStream(m_threadContext.core, nullptr);
-	}
-}
-
-#ifdef USE_PNG
-void GameController::screenshot() {
-	mCoreThreadRunFunction(&m_threadContext, [](mCoreThread* context) {
-		mCoreTakeScreenshot(context->core);
-	});
-}
-#endif
-
-void GameController::reloadAudioDriver() {
-	int samples = 0;
-	unsigned sampleRate = 0;
-	if (m_audioProcessor) {
-		m_audioProcessor->pause();
-		samples = m_audioProcessor->getBufferSamples();
-		sampleRate = m_audioProcessor->sampleRate();
-		delete m_audioProcessor;
-	}
-	m_audioProcessor = AudioProcessor::create();
-	if (samples) {
-		m_audioProcessor->setBufferSamples(samples);
-	}
-	if (sampleRate) {
-		m_audioProcessor->requestSampleRate(sampleRate);
-	}
-	connect(this, &GameController::gamePaused, m_audioProcessor, &AudioProcessor::pause);
-	connect(this, &GameController::gameStarted, m_audioProcessor, &AudioProcessor::setInput);
-	if (isLoaded()) {
-		m_audioProcessor->setInput(&m_threadContext);
-		startAudio();
-	}
-}
-
-void GameController::setSaveStateExtdata(int flags) {
-	m_saveStateFlags = flags;
-}
-
-void GameController::setLoadStateExtdata(int flags) {
-	m_loadStateFlags = flags;
-}
-
-void GameController::setPreload(bool preload) {
-	m_preload = preload;
-}
-
-void GameController::setLuminanceValue(uint8_t value) {
-	m_luxValue = value;
-	value = std::max<int>(value - 0x16, 0);
-	m_luxLevel = 10;
-	for (int i = 0; i < 10; ++i) {
-		if (value < GBA_LUX_LEVELS[i]) {
-			m_luxLevel = i;
-			break;
-		}
-	}
-	emit luminanceValueChanged(m_luxValue);
-}
-
-void GameController::setLuminanceLevel(int level) {
-	int value = 0x16;
-	level = std::max(0, std::min(10, level));
-	if (level > 0) {
-		value += GBA_LUX_LEVELS[level - 1];
-	}
-	setLuminanceValue(value);
-}
-
-void GameController::setRealTime() {
-	if (!isLoaded()) {
-		return;
-	}
-	m_threadContext.core->rtc.override = RTC_NO_OVERRIDE;
-}
-
-void GameController::setFixedTime(const QDateTime& time) {
-	if (!isLoaded()) {
-		return;
-	}
-	m_threadContext.core->rtc.override = RTC_FIXED;
-	m_threadContext.core->rtc.value = time.toMSecsSinceEpoch();
-}
-
-void GameController::setFakeEpoch(const QDateTime& time) {
-	if (!isLoaded()) {
-		return;
-	}
-	m_threadContext.core->rtc.override = RTC_FAKE_EPOCH;
-	m_threadContext.core->rtc.value = time.toMSecsSinceEpoch();
-}
-
-void GameController::updateKeys() {
-	int activeKeys = m_activeKeys;
-	activeKeys |= m_activeButtons;
-	activeKeys &= ~m_inactiveKeys;
-	if (isLoaded()) {
-		m_threadContext.core->setKeys(m_threadContext.core, activeKeys);
-	}
-}
-
-void GameController::redoSamples(int samples) {
-	if (m_gameOpen && m_threadContext.core) {
-		m_threadContext.core->setAudioBufferSize(m_threadContext.core, samples);
-	}
-	m_audioProcessor->inputParametersChanged();
-}
-
-void GameController::setLogLevel(int levels) {
-	Interrupter interrupter(this);
-	m_logLevels = levels;
-}
-
-void GameController::enableLogLevel(int levels) {
-	Interrupter interrupter(this);
-	m_logLevels |= levels;
-}
-
-void GameController::disableLogLevel(int levels) {
-	Interrupter interrupter(this);
-	m_logLevels &= ~levels;
-}
-
-void GameController::startVideoLog(const QString& path) {
-	if (!isLoaded() || m_vl) {
-		return;
-	}
-
-	Interrupter interrupter(this);
-	m_vl = mVideoLogContextCreate(m_threadContext.core);
-	m_vlVf = VFileDevice::open(path, O_WRONLY | O_CREAT | O_TRUNC);
-	mVideoLogContextSetOutput(m_vl, m_vlVf);
-	mVideoLogContextWriteHeader(m_vl, m_threadContext.core);
-}
-
-void GameController::endVideoLog() {
-	if (!m_vl) {
-		return;
-	}
-
-	Interrupter interrupter(this);
-	mVideoLogContextDestroy(m_threadContext.core, m_vl);
-	if (m_vlVf) {
-		m_vlVf->close(m_vlVf);
-		m_vlVf = nullptr;
-	}
-	m_vl = nullptr;
-}
-
-void GameController::pollEvents() {
-	if (!m_inputController) {
-		return;
-	}
-
-	m_activeButtons = m_inputController->pollEvents();
-	updateKeys();
-}
-
-void GameController::updateAutofire() {
-	// TODO: Move all key events onto the CPU thread...somehow
-	for (int k = 0; k < GBA_KEY_MAX; ++k) {
-		if (!m_autofire[k]) {
-			continue;
-		}
-		m_autofireStatus[k] ^= 1;
-		if (m_autofireStatus[k]) {
-			keyPressed(k);
-		} else {
-			keyReleased(k);
-		}
-	}
-}
-
-std::shared_ptr<mTileCache> GameController::tileCache() {
-	if (m_tileCache) {
-		return m_tileCache;
-	}
-	Interrupter interrupter(this);
-	switch (platform()) {
-#ifdef M_CORE_GBA
-	case PLATFORM_GBA: {
-		GBA* gba = static_cast<GBA*>(m_threadContext.core->board);
-		m_tileCache = std::make_shared<mTileCache>();
-		GBAVideoTileCacheInit(m_tileCache.get());
-		GBAVideoTileCacheAssociate(m_tileCache.get(), &gba->video);
-		mTileCacheSetPalette(m_tileCache.get(), 0);
-		break;
-	}
-#endif
-#ifdef M_CORE_GB
-	case PLATFORM_GB: {
-		GB* gb = static_cast<GB*>(m_threadContext.core->board);
-		m_tileCache = std::make_shared<mTileCache>();
-		GBVideoTileCacheInit(m_tileCache.get());
-		GBVideoTileCacheAssociate(m_tileCache.get(), &gb->video);
-		mTileCacheSetPalette(m_tileCache.get(), 0);
-		break;
-	}
-#endif
-	default:
-		return nullptr;
-	}
-	return m_tileCache;
-}
-
-GameController::Interrupter::Interrupter(GameController* parent, bool fromThread)
-	: m_parent(parent)
-	, m_fromThread(fromThread)
-{
-	if (!m_fromThread) {
-		m_parent->threadInterrupt();
-	} else {
-		mCoreThreadInterruptFromThread(m_parent->thread());
-	}
-}
-
-GameController::Interrupter::~Interrupter() {
-	if (!m_fromThread) {
-		m_parent->threadContinue();
-	} else {
-		mCoreThreadContinue(m_parent->thread());
-	}
-}

@@ -1,262 +0,0 @@
-/* Copyright (c) 2013-2015 Jeffrey Pfau
- *
- * This Source Code Form is subject to the terms of the Mozilla Public
- * License, v. 2.0. If a copy of the MPL was not distributed with this
- * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
-#ifndef QGBA_GAME_CONTROLLER
-#define QGBA_GAME_CONTROLLER
-
-#include <QAtomicInt>
-#include <QFile>
-#include <QImage>
-#include <QObject>
-#include <QString>
-#include <QTimer>
-
-#include <memory>
-#include <functional>
-
-#include <mgba/core/core.h>
-#include <mgba/core/thread.h>
-#include <mgba/gba/interface.h>
-#include <mgba/internal/gba/input.h>
-#ifdef BUILD_SDL
-#include "platform/sdl/sdl-events.h"
-#endif
-
-struct Configuration;
-struct GBAAudio;
-struct mCoreConfig;
-struct mDebugger;
-struct mTileCache;
-struct mVideoLogContext;
-
-namespace QGBA {
-
-class AudioProcessor;
-class InputController;
-class MultiplayerController;
-class Override;
-
-class GameController : public QObject {
-Q_OBJECT
-
-public:
-	static const bool VIDEO_SYNC = false;
-	static const bool AUDIO_SYNC = true;
-
-	class Interrupter {
-	public:
-		Interrupter(GameController*, bool fromThread = false);
-		~Interrupter();
-
-	private:
-		GameController* m_parent;
-		bool m_fromThread;
-	};
-
-	GameController(QObject* parent = nullptr);
-	~GameController();
-
-	const uint32_t* drawContext() const { return m_drawContext; }
-	mCoreThread* thread() { return &m_threadContext; }
-	mCheatDevice* cheatDevice() { return m_threadContext.core ? m_threadContext.core->cheatDevice(m_threadContext.core) : nullptr; }
-
-	void threadInterrupt();
-	void threadContinue();
-
-	bool isPaused();
-	bool isLoaded() { return m_gameOpen && mCoreThreadIsActive(&m_threadContext); }
-	mPlatform platform() const;
-
-	bool audioSync() const { return m_audioSync; }
-	bool videoSync() const { return m_videoSync; }
-	QSize screenDimensions() const;
-
-	void setInputController(InputController* controller) { m_inputController = controller; }
-
-	void setMultiplayerController(MultiplayerController* controller);
-	MultiplayerController* multiplayerController() { return m_multiplayer; }
-	void clearMultiplayerController();
-
-	void setOverride(Override* override);
-	Override* override() { return m_override; }
-	void clearOverride();
-
-	void setConfig(const mCoreConfig*);
-
-	int stateSlot() const { return m_stateSlot; }
-
-#ifdef USE_DEBUGGERS
-	mDebugger* debugger();
-	void setDebugger(mDebugger*);
-#endif
-
-	std::shared_ptr<mTileCache> tileCache();
-
-signals:
-	void frameAvailable(const uint32_t*);
-	void gameStarted(mCoreThread*, const QString& fname);
-	void gameStopped(mCoreThread*);
-	void gamePaused(mCoreThread*);
-	void gameUnpaused(mCoreThread*);
-	void gameCrashed(const QString& errorMessage);
-	void gameFailed();
-	void stateLoaded(mCoreThread*);
-	void rewound(mCoreThread*);
-	void unimplementedBiosCall(int);
-
-	void luminanceValueChanged(int);
-
-	void statusPosted(const QString& message);
-	void postLog(int level, int category, const QString& log);
-
-public slots:
-	void loadGame(const QString& path);
-	void loadGame(VFile* vf, const QString& path, const QString& base);
-	void loadBIOS(int platform, const QString& path);
-	void loadSave(const QString& path, bool temporary = true);
-	void yankPak();
-	void replaceGame(const QString& path);
-	void setUseBIOS(bool);
-	void loadPatch(const QString& path);
-	void importSharkport(const QString& path);
-	void exportSharkport(const QString& path);
-	void bootBIOS();
-	void closeGame();
-	void setPaused(bool paused);
-	void reset();
-	void frameAdvance();
-	void setRewind(bool enable, int capacity, bool rewindSave);
-	void rewind(int states = 0);
-	void startRewinding();
-	void stopRewinding();
-	void keyPressed(int key);
-	void keyReleased(int key);
-	void clearKeys();
-	void setAutofire(int key, bool enable);
-	void setAudioBufferSamples(int samples);
-	void setAudioSampleRate(unsigned rate);
-	void setAudioChannelEnabled(int channel, bool enable = true);
-	void startAudio();
-	void setVideoLayerEnabled(int layer, bool enable = true);
-	void setFPSTarget(float fps);
-	void loadState(int slot = 0);
-	void saveState(int slot = 0);
-	void loadBackupState();
-	void saveBackupState();
-	void setTurbo(bool, bool forced = true);
-	void setTurboSpeed(float ratio);
-	void setSync(bool);
-	void setAudioSync(bool);
-	void setVideoSync(bool);
-	void setAVStream(mAVStream*);
-	void clearAVStream();
-	void reloadAudioDriver();
-	void setSaveStateExtdata(int flags);
-	void setLoadStateExtdata(int flags);
-	void setPreload(bool);
-
-#ifdef USE_PNG
-	void screenshot();
-#endif
-
-	void setLuminanceValue(uint8_t value);
-	uint8_t luminanceValue() const { return m_luxValue; }
-	void setLuminanceLevel(int level);
-	void increaseLuminanceLevel() { setLuminanceLevel(m_luxLevel + 1); }
-	void decreaseLuminanceLevel() { setLuminanceLevel(m_luxLevel - 1); }
-
-	void setRealTime();
-	void setFixedTime(const QDateTime& time);
-	void setFakeEpoch(const QDateTime& time);
-
-	void setLogLevel(int);
-	void enableLogLevel(int);
-	void disableLogLevel(int);
-
-	void startVideoLog(const QString& path);
-	void endVideoLog();
-
-private slots:
-	void openGame(bool bios = false);
-	void crashGame(const QString& crashMessage);
-	void cleanGame();
-
-	void pollEvents();
-	void updateAutofire();
-
-private:
-	void updateKeys();
-	void redoSamples(int samples);
-	void enableTurbo();
-
-	uint32_t* m_drawContext = nullptr;
-	uint32_t* m_frontBuffer = nullptr;
-	mCoreThread m_threadContext{};
-	const mCoreConfig* m_config;
-	mCheatDevice* m_cheatDevice;
-	int m_activeKeys = 0;
-	int m_activeButtons = 0;
-	int m_inactiveKeys = 0;
-	int m_logLevels = 0;
-
-	bool m_gameOpen = false;
-
-	QString m_fname;
-	QString m_fsub;
-	VFile* m_vf = nullptr;
-	QString m_bios;
-	bool m_useBios = false;
-	QString m_patch;
-	Override* m_override = nullptr;
-
-	AudioProcessor* m_audioProcessor;
-
-	QAtomicInt m_pauseAfterFrame{false};
-	QList<std::function<void ()>> m_resetActions;
-
-	bool m_sync = true;
-	bool m_videoSync = VIDEO_SYNC;
-	bool m_audioSync = AUDIO_SYNC;
-	float m_fpsTarget = -1;
-	bool m_turbo = false;
-	bool m_turboForced = false;
-	float m_turboSpeed = -1;
-	bool m_wasPaused = false;
-
-	std::shared_ptr<mTileCache> m_tileCache;
-
-	QList<bool> m_audioChannels;
-	QList<bool> m_videoLayers;
-
-	bool m_autofire[GBA_KEY_MAX] = {};
-	int m_autofireStatus[GBA_KEY_MAX] = {};
-
-	int m_stateSlot = 1;
-	struct VFile* m_backupLoadState = nullptr;
-	QByteArray m_backupSaveState{nullptr};
-	int m_saveStateFlags;
-	int m_loadStateFlags;
-
-	bool m_preload = false;
-
-	InputController* m_inputController = nullptr;
-	MultiplayerController* m_multiplayer = nullptr;
-
-	mAVStream* m_stream = nullptr;
-
-	mVideoLogContext* m_vl = nullptr;
-	VFile* m_vlVf = nullptr;
-
-	struct GameControllerLux : GBALuminanceSource {
-		GameController* p;
-		uint8_t value;
-	} m_lux;
-	uint8_t m_luxValue;
-	int m_luxLevel;
-};
-
-}
-
-#endif

@@ -5,7 +5,7 @@ * License, v. 2.0. If a copy of the MPL was not distributed with this
  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
 #include "IOViewer.h"
 
-#include "GameController.h"
+#include "CoreController.h"
 
 #include <QComboBox>
 #include <QFontDatabase>
@@ -1023,7 +1023,7 @@ });
 	return s_registers;
 }
 
-IOViewer::IOViewer(GameController* controller, QWidget* parent)
+IOViewer::IOViewer(std::shared_ptr<CoreController> controller, QWidget* parent)
 	: QDialog(parent)
 	, m_controller(controller)
 {
@@ -1067,16 +1067,17 @@ connect(m_b[i], &QAbstractButton::toggled, this, &IOViewer::bitFlipped);
 	}
 
 	selectRegister(0);
+
+	connect(controller.get(), &CoreController::stopping, this, &QWidget::close);
 }
 
 void IOViewer::updateRegister() {
 	m_value = 0;
 	uint16_t value = 0;
-	m_controller->threadInterrupt();
-	if (m_controller->isLoaded()) {
+	{
+		CoreController::Interrupter interrupter(m_controller);
 		value = GBAView16(static_cast<ARMCore*>(m_controller->thread()->core->cpu), BASE_IO | m_register);
 	}
-	m_controller->threadContinue();
 
 	for (int i = 0; i < 16; ++i) {
 		m_b[i]->setChecked(value & (1 << i) ? Qt::Checked : Qt::Unchecked);
@@ -1095,11 +1096,10 @@ emit valueChanged();
 }
 
 void IOViewer::writeback() {
-	m_controller->threadInterrupt();
-	if (m_controller->isLoaded()) {
+	{
+		CoreController::Interrupter interrupter(m_controller);
 		GBAIOWrite(static_cast<GBA*>(m_controller->thread()->core->board), m_register, m_value);
 	}
-	m_controller->threadContinue();
 	updateRegister();
 }
 

@@ -9,11 +9,13 @@
 #include <QDialog>
 #include <QList>
 
+#include <memory>
+
 #include "ui_IOViewer.h"
 
 namespace QGBA {
 
-class GameController;
+class CoreController;
 
 class IOViewer : public QDialog {
 Q_OBJECT
@@ -39,7 +41,7 @@ QStringList items;
 	};
 	typedef QList<RegisterItem> RegisterDescription;
 
-	IOViewer(GameController* controller, QWidget* parent = nullptr);
+	IOViewer(std::shared_ptr<CoreController> controller, QWidget* parent = nullptr);
 
 	static const QList<RegisterDescription>& registerDescriptions();
 
@@ -65,7 +67,7 @@ uint16_t m_value;
 
 	QCheckBox* m_b[16];
 
-	GameController* m_controller;
+	std::shared_ptr<CoreController> m_controller;
 };
 
 }

@@ -5,7 +5,7 @@ * License, v. 2.0. If a copy of the MPL was not distributed with this
  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
 #include "LoadSaveState.h"
 
-#include "GameController.h"
+#include "CoreController.h"
 #include "GamepadAxisEvent.h"
 #include "GamepadButtonEvent.h"
 #include "VFileDevice.h"
@@ -20,7 +20,7 @@ #include <mgba-util/vfs.h>
 
 using namespace QGBA;
 
-LoadSaveState::LoadSaveState(GameController* controller, QWidget* parent)
+LoadSaveState::LoadSaveState(std::shared_ptr<CoreController> controller, QWidget* parent)
 	: QWidget(parent)
 	, m_controller(controller)
 	, m_mode(LoadSave::LOAD)
@@ -61,6 +61,8 @@ connect(escape, &QAction::triggered, this, &QWidget::close);
 	escape->setShortcut(QKeySequence("Esc"));
 	escape->setShortcutContext(Qt::WidgetWithChildrenShortcut);
 	addAction(escape);
+
+	connect(m_controller.get(), &CoreController::stopping, this, &QWidget::close);
 }
 
 void LoadSaveState::setMode(LoadSave mode) {

@@ -8,11 +8,13 @@ #define QGBA_LOAD_SAVE_STATE
 
 #include <QWidget>
 
+#include <memory>
+
 #include "ui_LoadSaveState.h"
 
 namespace QGBA {
 
-class GameController;
+class CoreController;
 class InputController;
 class SavestateButton;
 
@@ -27,7 +29,7 @@
 public:
 	const static int NUM_SLOTS = 9;
 
-	LoadSaveState(GameController* controller, QWidget* parent = nullptr);
+	LoadSaveState(std::shared_ptr<CoreController> controller, QWidget* parent = nullptr);
 
 	void setInputController(InputController* controller);
 	void setMode(LoadSave mode);
@@ -46,7 +48,7 @@ void loadState(int slot);
 	void triggerState(int slot);
 
 	Ui::LoadSaveState m_ui;
-	GameController* m_controller;
+	std::shared_ptr<CoreController> m_controller;
 	SavestateButton* m_slots[NUM_SLOTS];
 	LoadSave m_mode;
 

@@ -11,8 +11,11 @@ LogController LogController::s_global(mLOG_ALL);
 
 LogController::LogController(int levels, QObject* parent)
 	: QObject(parent)
-	, m_logLevel(levels)
 {
+	mLogFilterInit(&m_filter);
+	mLogFilterSet(&m_filter, "gba.bios", mLOG_STUB);
+	m_filter.defaultLevels = levels;
+
 	if (this != &s_global) {
 		connect(&s_global, &LogController::logPosted, this, &LogController::postLog);
 		connect(this, &LogController::levelsSet, &s_global, &LogController::setLevels);
@@ -26,24 +29,24 @@ return Stream(this, category, level);
 }
 
 void LogController::postLog(int level, int category, const QString& string) {
-	if (!(m_logLevel & level)) {
+	if (!mLogFilterTest(&m_filter, category, static_cast<mLogLevel>(level))) {
 		return;
 	}
 	emit logPosted(level, category, string);
 }
 
 void LogController::setLevels(int levels) {
-	m_logLevel = levels;
+	m_filter.defaultLevels = levels;
 	emit levelsSet(levels);
 }
 
 void LogController::enableLevels(int levels) {
-	m_logLevel |= levels;
+	m_filter.defaultLevels |= levels;
 	emit levelsEnabled(levels);
 }
 
 void LogController::disableLevels(int levels) {
-	m_logLevel &= ~levels;
+	m_filter.defaultLevels &= ~levels;
 	emit levelsDisabled(levels);
 }
 

@@ -8,6 +8,8 @@ #define QGBA_LOG_CONTROLLER
 
 #include "GBAApp.h"
 
+#include <mgba/core/log.h>
+
 #include <QObject>
 #include <QStringList>
 
@@ -35,7 +37,8 @@
 public:
 	LogController(int levels, QObject* parent = nullptr);
 
-	int levels() const { return m_logLevel; }
+	int levels() const { return m_filter.defaultLevels; }
+	mLogFilter* filter() { return &m_filter; }
 
 	Stream operator()(int category, int level);
 
@@ -55,7 +58,7 @@ void enableLevels(int levels);
 	void disableLevels(int levels);
 
 private:
-	int m_logLevel;
+	mLogFilter m_filter;
 
 	static LogController s_global;
 };

@@ -6,7 +6,7 @@ * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
 #include "MemoryModel.h"
 
 #include "GBAApp.h"
-#include "GameController.h"
+#include "CoreController.h"
 #include "LogController.h"
 #include "VFileDevice.h"
 
@@ -91,7 +91,7 @@
 	setRegion(0, 0x10000000, tr("All"));
 }
 
-void MemoryModel::setController(GameController* controller) {
+void MemoryModel::setController(std::shared_ptr<CoreController> controller) {
 	m_core = controller->thread()->core;
 }
 

@@ -11,6 +11,7 @@ #include <QFont>
 #include <QSize>
 #include <QStaticText>
 #include <QVector>
+
 #include <memory>
 
 #include <mgba-util/text-codec.h>
@@ -19,7 +20,7 @@ struct mCore;
 
 namespace QGBA {
 
-class GameController;
+class CoreController;
 
 class MemoryModel : public QAbstractScrollArea {
 Q_OBJECT
@@ -27,7 +28,7 @@
 public:
 	MemoryModel(QWidget* parent = nullptr);
 
-	void setController(GameController* controller);
+	void setController(std::shared_ptr<CoreController> controller);
 
 	void setRegion(uint32_t base, uint32_t size, const QString& name = QString(), int segment = -1);
 	void setSegment(int segment);

@@ -8,12 +8,12 @@ #include "MemorySearch.h"
 
 #include <mgba/core/core.h>
 
-#include "GameController.h"
+#include "CoreController.h"
 #include "MemoryView.h"
 
 using namespace QGBA;
 
-MemorySearch::MemorySearch(GameController* controller, QWidget* parent)
+MemorySearch::MemorySearch(std::shared_ptr<CoreController> controller, QWidget* parent)
 	: QWidget(parent)
 	, m_controller(controller)
 {
@@ -26,6 +26,8 @@ connect(m_ui.refresh, &QPushButton::clicked, this, &MemorySearch::refresh);
 	connect(m_ui.numHex, &QPushButton::clicked, this, &MemorySearch::refresh);
 	connect(m_ui.numDec, &QPushButton::clicked, this, &MemorySearch::refresh);
 	connect(m_ui.viewMem, &QPushButton::clicked, this, &MemorySearch::openMemory);
+
+	connect(controller.get(), &CoreController::stopping, this, &QWidget::close);
 }
 
 MemorySearch::~MemorySearch() {
@@ -109,10 +111,7 @@ mCoreMemorySearchResultsClear(&m_results);
 
 	mCoreMemorySearchParams params;
 
-	GameController::Interrupter interrupter(m_controller);
-	if (!m_controller->isLoaded()) {
-		return;
-	}
+	CoreController::Interrupter interrupter(m_controller);
 	mCore* core = m_controller->thread()->core;
 
 	if (createParams(&params)) {
@@ -125,10 +124,7 @@
 void MemorySearch::searchWithin() {
 	mCoreMemorySearchParams params;
 
-	GameController::Interrupter interrupter(m_controller);
-	if (!m_controller->isLoaded()) {
-		return;
-	}
+	CoreController::Interrupter interrupter(m_controller);
 	mCore* core = m_controller->thread()->core;
 
 	if (createParams(&params)) {
@@ -139,10 +135,7 @@ refresh();
 }
 
 void MemorySearch::refresh() {
-	GameController::Interrupter interrupter(m_controller);
-	if (!m_controller->isLoaded()) {
-		return;
-	}
+	CoreController::Interrupter interrupter(m_controller);
 	mCore* core = m_controller->thread()->core;
 
 	m_ui.results->clearContents();
@@ -220,7 +213,6 @@
 	MemoryView* memView = new MemoryView(m_controller);
 	memView->jumpToAddress(address);
 
-	connect(m_controller, &GameController::gameStopped, memView, &QWidget::close);
 	memView->setAttribute(Qt::WA_DeleteOnClose);
 	memView->show();
 }

@@ -6,13 +6,15 @@ * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
 #ifndef QGBA_MEMORY_SEARCH
 #define QGBA_MEMORY_SEARCH
 
+#include <memory>
+
 #include "ui_MemorySearch.h"
 
 #include <mgba/core/mem-search.h>
 
 namespace QGBA {
 
-class GameController;
+class CoreController;
 
 class MemorySearch : public QWidget {
 Q_OBJECT
@@ -20,7 +22,7 @@
 public:
 	static constexpr size_t LIMIT = 10000;
 
-	MemorySearch(GameController* controller, QWidget* parent = nullptr);
+	MemorySearch(std::shared_ptr<CoreController> controller, QWidget* parent = nullptr);
 	~MemorySearch();
 
 public slots:
@@ -36,7 +38,7 @@ bool createParams(mCoreMemorySearchParams*);
 
 	Ui::MemorySearch m_ui;
 
-	GameController* m_controller;
+	std::shared_ptr<CoreController> m_controller;
 
 	mCoreMemorySearchResults m_results;
 	QByteArray m_string;

@@ -6,13 +6,13 @@ * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
 
 #include "MemoryView.h"
 
-#include "GameController.h"
+#include "CoreController.h"
 
 #include <mgba/core/core.h>
 
 using namespace QGBA;
 
-MemoryView::MemoryView(GameController* controller, QWidget* parent)
+MemoryView::MemoryView(std::shared_ptr<CoreController> controller, QWidget* parent)
 	: QWidget(parent)
 	, m_controller(controller)
 {
@@ -45,12 +45,12 @@ connect(m_ui.setAddress, static_cast<void (QSpinBox::*)(int)>(&QSpinBox::valueChanged),
 	        m_ui.hexfield, static_cast<void (MemoryModel::*)(uint32_t)>(&MemoryModel::jumpToAddress));
 	connect(m_ui.hexfield, &MemoryModel::selectionChanged, this, &MemoryView::updateSelection);
 
-	connect(controller, &GameController::gameStopped, this, &QWidget::close);
+	connect(controller.get(), &CoreController::stopping, this, &QWidget::close);
 
-	connect(controller, &GameController::frameAvailable, this, &MemoryView::update);
-	connect(controller, &GameController::gamePaused, this, &MemoryView::update);
-	connect(controller, &GameController::stateLoaded, this, &MemoryView::update);
-	connect(controller, &GameController::rewound, this, &MemoryView::update);
+	connect(controller.get(), &CoreController::frameAvailable, this, &MemoryView::update);
+	connect(controller.get(), &CoreController::paused, this, &MemoryView::update);
+	connect(controller.get(), &CoreController::stateLoaded, this, &MemoryView::update);
+	connect(controller.get(), &CoreController::rewound, this, &MemoryView::update);
 
 	connect(m_ui.copy, &QAbstractButton::clicked, m_ui.hexfield, &MemoryModel::copy);
 	connect(m_ui.save, &QAbstractButton::clicked, m_ui.hexfield, &MemoryModel::save);
@@ -94,9 +94,6 @@ }
 
 void MemoryView::updateStatus() {
 	int align = m_ui.hexfield->alignment();
-	if (!m_controller->isLoaded()) {
-		return;
-	}
 	mCore* core = m_controller->thread()->core;
 	QByteArray selection(m_ui.hexfield->serialize());
 	QString text(m_ui.hexfield->decodeText(selection));

@@ -12,13 +12,13 @@ #include "ui_MemoryView.h"
 
 namespace QGBA {
 
-class GameController;
+class CoreController;
 
 class MemoryView : public QWidget {
 Q_OBJECT
 
 public:
-	MemoryView(GameController* controller, QWidget* parent = nullptr);
+	MemoryView(std::shared_ptr<CoreController> controller, QWidget* parent = nullptr);
 
 public slots:
 	void update();
@@ -33,7 +33,7 @@
 private:
 	Ui::MemoryView m_ui;
 
-	GameController* m_controller;
+	std::shared_ptr<CoreController> m_controller;
 	QPair<uint32_t, uint32_t> m_selection;
 };
 

@@ -5,7 +5,7 @@ * License, v. 2.0. If a copy of the MPL was not distributed with this
  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
 #include "MultiplayerController.h"
 
-#include "GameController.h"
+#include "CoreController.h"
 
 #ifdef M_CORE_GBA
 #include <mgba/internal/gba/gba.h>
@@ -153,7 +153,7 @@ controller->m_lock.unlock();
 	};
 }
 
-bool MultiplayerController::attachGame(GameController* controller) {
+bool MultiplayerController::attachGame(CoreController* controller) {
 	if (m_lockstep.attached == MAX_GBAS) {
 		return false;
 	}
@@ -232,13 +232,15 @@
 	return false;
 }
 
-void MultiplayerController::detachGame(GameController* controller) {
+void MultiplayerController::detachGame(CoreController* controller) {
 	mCoreThread* thread = controller->thread();
 	if (!thread) {
 		return;
 	}
+	QList<CoreController::Interrupter> interrupters;
+
 	for (int i = 0; i < m_players.count(); ++i) {
-		m_players[i].controller->threadInterrupt();
+		interrupters.append(m_players[i].controller);
 	}
 	switch (controller->platform()) {
 #ifdef M_CORE_GBA
@@ -269,20 +271,16 @@ default:
 		break;
 	}
 
-	controller->threadContinue();
 	for (int i = 0; i < m_players.count(); ++i) {
 		if (m_players[i].controller == controller) {
 			m_players.removeAt(i);
 			break;
 		}
 	}
-	for (int i = 0; i < m_players.count(); ++i) {
-		m_players[i].controller->threadContinue();
-	}
 	emit gameDetached();
 }
 
-int MultiplayerController::playerId(GameController* controller) {
+int MultiplayerController::playerId(CoreController* controller) {
 	for (int i = 0; i < m_players.count(); ++i) {
 		if (m_players[i].controller == controller) {
 			return i;

@@ -23,7 +23,7 @@ struct GBASIOLockstepNode;
 
 namespace QGBA {
 
-class GameController;
+class CoreController;
 
 class MultiplayerController : public QObject {
 Q_OBJECT
@@ -31,11 +31,11 @@
 public:
 	MultiplayerController();
 
-	bool attachGame(GameController*);
-	void detachGame(GameController*);
+	bool attachGame(CoreController*);
+	void detachGame(CoreController*);
 
 	int attached();
-	int playerId(GameController*);
+	int playerId(CoreController*);
 
 signals:
 	void gameAttached();
@@ -43,7 +43,7 @@ void gameDetached();
 
 private:
 	struct Player {
-		GameController* controller;
+		CoreController* controller;
 		GBSIOLockstepNode* gbNode;
 		GBASIOLockstepNode* gbaNode;
 		int awake;

@@ -5,6 +5,7 @@ * License, v. 2.0. If a copy of the MPL was not distributed with this
  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
 #include "ObjView.h"
 
+#include "CoreController.h"
 #include "GBAApp.h"
 
 #include <QFontDatabase>
@@ -24,7 +25,7 @@ #include <mgba-util/png-io.h>
 
 using namespace QGBA;
 
-ObjView::ObjView(GameController* controller, QWidget* parent)
+ObjView::ObjView(std::shared_ptr<CoreController> controller, QWidget* parent)
 	: AssetView(controller, parent)
 	, m_controller(controller)
 {
@@ -119,16 +120,16 @@ newInfo.stride = 0x20 >> (GBAObjAttributesAGet256Color(obj->a));
 	};
 	m_objInfo = newInfo;
 	m_tileOffset = tile;
-	mTileCacheSetPalette(m_tileCache.get(), paletteSet);
+	mTileCacheSetPalette(m_tileCache, paletteSet);
 
 	int i = 0;
 	for (int y = 0; y < height / 8; ++y) {
 		for (int x = 0; x < width / 8; ++x, ++i, ++tile, ++tileBase) {
-			const uint16_t* data = mTileCacheGetTileIfDirty(m_tileCache.get(), &m_tileStatus[32 * tileBase], tile, palette);
+			const uint16_t* data = mTileCacheGetTileIfDirty(m_tileCache, &m_tileStatus[32 * tileBase], tile, palette);
 			if (data) {
 				m_ui.tiles->setTile(i, data);
 			} else if (force) {
-				m_ui.tiles->setTile(i, mTileCacheGetTile(m_tileCache.get(), tile, palette));
+				m_ui.tiles->setTile(i, mTileCacheGetTile(m_tileCache, tile, palette));
 			}
 		}
 		tile += newInfo.stride - width / 8;
@@ -215,16 +216,16 @@ m_objInfo = newInfo;
 	m_tileOffset = tile;
 
 	int i = 0;
-	mTileCacheSetPalette(m_tileCache.get(), 0);
+	mTileCacheSetPalette(m_tileCache, 0);
 	m_ui.tile->setPalette(palette);
 	m_ui.tile->setPaletteSet(0, 512, 1024);
 	for (int y = 0; y < height / 8; ++y, ++i) {
 		unsigned t = tile + i;
-		const uint16_t* data = mTileCacheGetTileIfDirty(m_tileCache.get(), &m_tileStatus[16 * t], t, palette);
+		const uint16_t* data = mTileCacheGetTileIfDirty(m_tileCache, &m_tileStatus[16 * t], t, palette);
 		if (data) {
 			m_ui.tiles->setTile(i, data);
 		} else if (force) {
-			m_ui.tiles->setTile(i, mTileCacheGetTile(m_tileCache.get(), t, palette));
+			m_ui.tiles->setTile(i, mTileCacheGetTile(m_tileCache, t, palette));
 		}
 	}
 
@@ -247,7 +248,7 @@ #endif
 
 #ifdef USE_PNG
 void ObjView::exportObj() {
-	GameController::Interrupter interrupter(m_controller);
+	CoreController::Interrupter interrupter(m_controller);
 	QString filename = GBAApp::app()->getSaveFileName(this, tr("Export sprite"),
 	                                                  tr("Portable Network Graphics (*.png)"));
 	VFile* vf = VFileDevice::open(filename, O_WRONLY | O_CREAT | O_TRUNC);
@@ -256,11 +257,11 @@ LOG(QT, ERROR) << tr("Failed to open output PNG file: %1").arg(filename);
 		return;
 	}
 
-	mTileCacheSetPalette(m_tileCache.get(), m_objInfo.paletteSet);
+	mTileCacheSetPalette(m_tileCache, m_objInfo.paletteSet);
 	png_structp png = PNGWriteOpen(vf);
 	png_infop info = PNGWriteHeader8(png, m_objInfo.width * 8, m_objInfo.height * 8);
 
-	const uint16_t* rawPalette = mTileCacheGetPalette(m_tileCache.get(), m_objInfo.paletteId);
+	const uint16_t* rawPalette = mTileCacheGetPalette(m_tileCache, m_objInfo.paletteId);
 	unsigned colors = 1 << m_objInfo.bits;
 	uint32_t palette[256];
 	for (unsigned c = 0; c < colors && c < 256; ++c) {

@@ -7,7 +7,6 @@ #ifndef QGBA_OBJ_VIEW
 #define QGBA_OBJ_VIEW
 
 #include "AssetView.h"
-#include "GameController.h"
 
 #include "ui_ObjView.h"
 
@@ -15,11 +14,13 @@ #include <mgba/core/tile-cache.h>
 
 namespace QGBA {
 
+class CoreController;
+
 class ObjView : public AssetView {
 Q_OBJECT
 
 public:
-	ObjView(GameController* controller, QWidget* parent = nullptr);
+	ObjView(std::shared_ptr<CoreController> controller, QWidget* parent = nullptr);
 
 #ifdef USE_PNG
 public slots:
@@ -40,7 +41,7 @@ #endif
 
 	Ui::ObjView m_ui;
 
-	GameController* m_controller;
+	std::shared_ptr<CoreController> m_controller;
 	mTileCacheEntry m_tileStatus[1024 * 32] = {}; // TODO: Correct size
 	int m_objId = 0;
 	struct ObjInfo {

@@ -9,7 +9,7 @@ #include <QColorDialog>
 #include <QPushButton>
 
 #include "ConfigController.h"
-#include "GameController.h"
+#include "CoreController.h"
 
 #ifdef M_CORE_GBA
 #include "GBAOverride.h"
@@ -28,9 +28,8 @@ QList<enum GBModel> OverrideView::s_gbModelList;
 QList<enum GBMemoryBankControllerType> OverrideView::s_mbcList;
 #endif
 
-OverrideView::OverrideView(GameController* controller, ConfigController* config, QWidget* parent)
+OverrideView::OverrideView(ConfigController* config, QWidget* parent)
 	: QDialog(parent, Qt::WindowTitleHint | Qt::WindowSystemMenuHint | Qt::WindowCloseButtonHint)
-	, m_controller(controller)
 	, m_config(config)
 {
 #ifdef M_CORE_GB
@@ -57,9 +56,6 @@ }
 #endif
 	m_ui.setupUi(this);
 
-	connect(controller, &GameController::gameStarted, this, &OverrideView::gameStarted);
-	connect(controller, &GameController::gameStopped, this, &OverrideView::gameStopped);
-
 	connect(m_ui.hwAutodetect, &QAbstractButton::toggled, [this] (bool enabled) {
 		m_ui.hwRTC->setEnabled(!enabled);
 		m_ui.hwGyro->setEnabled(!enabled);
@@ -106,9 +102,16 @@
 	connect(m_ui.buttonBox, &QDialogButtonBox::accepted, this, &OverrideView::saveOverride);
 	connect(m_ui.buttonBox, &QDialogButtonBox::rejected, this, &QWidget::close);
 	m_ui.buttonBox->button(QDialogButtonBox::Save)->setEnabled(false);
+}
 
-	if (controller->isLoaded()) {
-		gameStarted(controller->thread());
+void OverrideView::setController(std::shared_ptr<CoreController> controller) {
+	m_controller = controller;
+	gameStarted();
+	connect(controller.get(), &CoreController::stopping, this, &OverrideView::gameStopped);
+	if (m_override) {
+		m_controller->setOverride(std::move(m_override));
+	} else {
+		m_controller->clearOverride();
 	}
 }
 
@@ -149,7 +152,7 @@ #endif
 }
 
 void OverrideView::saveOverride() {
-	if (!m_config) {
+	if (!m_config || !m_controller) {
 		return;
 	}
 	m_config->saveOverride(*m_controller->override());
@@ -158,7 +161,7 @@
 void OverrideView::updateOverrides() {
 #ifdef M_CORE_GBA
 	if (m_ui.tabWidget->currentWidget() == m_ui.tabGBA) {
-		GBAOverride* gba = new GBAOverride;
+		std::unique_ptr<GBAOverride> gba(new GBAOverride);
 		memset(gba->override.id, 0, 4);
 		gba->override.savetype = static_cast<SavedataType>(m_ui.savetype->currentIndex() - 1);
 		gba->override.hardware = HW_NO_OVERRIDE;
@@ -193,18 +196,18 @@ if (ok) {
 			gba->override.idleLoop = parsedIdleLoop;
 		}
 
+
 		if (gba->override.savetype != SAVEDATA_AUTODETECT || gba->override.hardware != HW_NO_OVERRIDE ||
 		    gba->override.idleLoop != IDLE_LOOP_NONE) {
-			m_controller->setOverride(gba);
+			m_override = std::move(gba);
 		} else {
-			m_controller->clearOverride();
-			delete gba;
+			m_override.reset();
 		}
 	}
 #endif
 #ifdef M_CORE_GB
 	if (m_ui.tabWidget->currentWidget() == m_ui.tabGB) {
-		GBOverride* gb = new GBOverride;
+		std::unique_ptr<GBOverride> gb(new GBOverride);
 		gb->override.mbc = s_mbcList[m_ui.mbc->currentIndex()];
 		gb->override.model = s_gbModelList[m_ui.gbModel->currentIndex()];
 		gb->override.gbColors[0] = m_gbColors[0];
@@ -214,20 +217,17 @@ gb->override.gbColors[3] = m_gbColors[3];
 		bool hasOverride = gb->override.mbc != GB_MBC_AUTODETECT || gb->override.model != GB_MODEL_AUTODETECT;
 		hasOverride = hasOverride || (m_gbColors[0] | m_gbColors[1] | m_gbColors[2] | m_gbColors[3]);
 		if (hasOverride) {
-			m_controller->setOverride(gb);
+			m_override = std::move(gb);
 		} else {
-			m_controller->clearOverride();
-			delete gb;
+			m_override.reset();
 		}
 	}
 #endif
 }
 
-void OverrideView::gameStarted(mCoreThread* thread) {
-	if (!thread->core) {
-		gameStopped();
-		return;
-	}
+void OverrideView::gameStarted() {
+	CoreController::Interrupter interrupter(m_controller);
+	mCoreThread* thread = m_controller->thread();
 
 	m_ui.tabWidget->setEnabled(false);
 	m_ui.buttonBox->button(QDialogButtonBox::Save)->setEnabled(true);
@@ -278,6 +278,7 @@ }
 }
 
 void OverrideView::gameStopped() {
+	m_controller.reset();
 	m_ui.tabWidget->setEnabled(true);
 	m_ui.savetype->setCurrentIndex(0);
 	m_ui.idleLoop->clear();

@@ -8,9 +8,13 @@ #define QGBA_OVERRIDE_VIEW
 
 #include <QDialog>
 
+#include <memory>
+
 #ifdef M_CORE_GB
 #include <mgba/gb/interface.h>
 #endif
+
+#include "Override.h"
 
 #include "ui_OverrideView.h"
 
@@ -19,21 +23,23 @@
 namespace QGBA {
 
 class ConfigController;
-class GameController;
+class CoreController;
 class Override;
 
 class OverrideView : public QDialog {
 Q_OBJECT
 
 public:
-	OverrideView(GameController* controller, ConfigController* config, QWidget* parent = nullptr);
+	OverrideView(ConfigController* config, QWidget* parent = nullptr);
+
+	void setController(std::shared_ptr<CoreController> controller);
 
 public slots:
 	void saveOverride();
 
 private slots:
 	void updateOverrides();
-	void gameStarted(mCoreThread*);
+	void gameStarted();
 	void gameStopped();
 
 protected:
@@ -42,7 +48,8 @@
 private:
 	Ui::OverrideView m_ui;
 
-	GameController* m_controller;
+	std::shared_ptr<CoreController> m_controller;
+	std::unique_ptr<Override> m_override;
 	ConfigController* m_config;
 
 #ifdef M_CORE_GB

@@ -5,6 +5,7 @@ * License, v. 2.0. If a copy of the MPL was not distributed with this
  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
 #include "PaletteView.h"
 
+#include "CoreController.h"
 #include "GBAApp.h"
 #include "LogController.h"
 #include "VFileDevice.h"
@@ -24,13 +25,13 @@ #include <mgba-util/vfs.h>
 
 using namespace QGBA;
 
-PaletteView::PaletteView(GameController* controller, QWidget* parent)
+PaletteView::PaletteView(std::shared_ptr<CoreController> controller, QWidget* parent)
 	: QWidget(parent)
 	, m_controller(controller)
 {
 	m_ui.setupUi(this);
 
-	connect(m_controller, &GameController::frameAvailable, this, &PaletteView::updatePalette);
+	connect(controller.get(), &CoreController::frameAvailable, this, &PaletteView::updatePalette);
 	m_ui.bgGrid->setDimensions(QSize(16, 16));
 	m_ui.objGrid->setDimensions(QSize(16, 16));
 	int count = 256;
@@ -61,7 +62,7 @@ connect(m_ui.objGrid, &Swatch::indexPressed, [this, count] (int index) { selectIndex(index + count); });
 	connect(m_ui.exportBG, &QAbstractButton::clicked, [this, count] () { exportPalette(0, count); });
 	connect(m_ui.exportOBJ, &QAbstractButton::clicked, [this, count] () { exportPalette(count, count); });
 
-	connect(controller, &GameController::gameStopped, this, &QWidget::close);
+	connect(controller.get(), &CoreController::stopping, this, &QWidget::close);
 }
 
 void PaletteView::updatePalette() {
@@ -133,7 +134,7 @@ if (start + length > 512) {
 		length = 512 - start;
 	}
 
-	GameController::Interrupter interrupter(m_controller);
+	CoreController::Interrupter interrupter(m_controller);
 	QString filename = GBAApp::app()->getSaveFileName(this, tr("Export palette"),
 	                                                  tr("Windows PAL (*.pal);;Adobe Color Table (*.act)"));
 	VFile* vf = VFileDevice::open(filename, O_WRONLY | O_CREAT | O_TRUNC);

@@ -8,20 +8,22 @@ #define QGBA_PALETTE_VIEW
 
 #include <QWidget>
 
-#include "GameController.h"
+#include <memory>
+
 #include "Swatch.h"
 
 #include "ui_PaletteView.h"
 
 namespace QGBA {
 
+class CoreController;
 class Swatch;
 
 class PaletteView : public QWidget {
 Q_OBJECT
 
 public:
-	PaletteView(GameController* controller, QWidget* parent = nullptr);
+	PaletteView(std::shared_ptr<CoreController> controller, QWidget* parent = nullptr);
 
 public slots:
 	void updatePalette();
@@ -34,7 +36,7 @@ void exportPalette(int start, int length);
 
 	Ui::PaletteView m_ui;
 
-	GameController* m_controller;
+	std::shared_ptr<CoreController> m_controller;
 };
 
 }

@@ -6,7 +6,7 @@ * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
 #include "ROMInfo.h"
 
 #include "GBAApp.h"
-#include "GameController.h"
+#include "CoreController.h"
 
 #include <mgba/core/core.h>
 #ifdef M_CORE_GB
@@ -21,21 +21,17 @@ #endif
 
 using namespace QGBA;
 
-ROMInfo::ROMInfo(GameController* controller, QWidget* parent)
+ROMInfo::ROMInfo(std::shared_ptr<CoreController> controller, QWidget* parent)
 	: QDialog(parent, Qt::WindowTitleHint | Qt::WindowSystemMenuHint | Qt::WindowCloseButtonHint)
 {
 	m_ui.setupUi(this);
 
-	if (!controller->isLoaded()) {
-		return;
-	}
-
 #ifdef USE_SQLITE3
 	const NoIntroDB* db = GBAApp::app()->gameDB();
 #endif
 	uint32_t crc32 = 0;
 
-	GameController::Interrupter interrupter(controller);
+	CoreController::Interrupter interrupter(controller);
 	mCore* core = controller->thread()->core;
 	char title[17] = {};
 	core->getGameTitle(core, title);

@@ -8,17 +8,19 @@ #define QGBA_ROM_INFO
 
 #include <QWidget>
 
+#include <memory>
+
 #include "ui_ROMInfo.h"
 
 namespace QGBA {
 
-class GameController;
+class CoreController;
 
 class ROMInfo : public QDialog {
 Q_OBJECT
 
 public:
-	ROMInfo(GameController* controller, QWidget* parent = nullptr);
+	ROMInfo(std::shared_ptr<CoreController> controller, QWidget* parent = nullptr);
 
 private:
 	Ui::ROMInfo m_ui;

@@ -5,7 +5,7 @@ * License, v. 2.0. If a copy of the MPL was not distributed with this
  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
 #include "SensorView.h"
 
-#include "GameController.h"
+#include "CoreController.h"
 #include "GamepadAxisEvent.h"
 #include "InputController.h"
 
@@ -14,9 +14,8 @@ #include <mgba/internal/gba/gba.h>
 
 using namespace QGBA;
 
-SensorView::SensorView(GameController* controller, InputController* input, QWidget* parent)
+SensorView::SensorView(InputController* input, QWidget* parent)
 	: QDialog(parent, Qt::WindowTitleHint | Qt::WindowSystemMenuHint | Qt::WindowCloseButtonHint)
-	, m_controller(controller)
 	, m_input(input)
 	, m_rotation(input->rotationSource())
  {
@@ -26,21 +25,12 @@ connect(m_ui.lightSpin, static_cast<void (QSpinBox::*)(int)>(&QSpinBox::valueChanged),
 	        this, &SensorView::setLuminanceValue);
 	connect(m_ui.lightSlide, &QAbstractSlider::valueChanged, this, &SensorView::setLuminanceValue);
 
-	connect(m_ui.timeNoOverride, &QAbstractButton::clicked, controller, &GameController::setRealTime);
-	connect(m_ui.timeFixed, &QRadioButton::clicked, [controller, this] () {
-		controller->setFixedTime(m_ui.time->dateTime());
-	});
-	connect(m_ui.timeFakeEpoch, &QRadioButton::clicked, [controller, this] () {
-		controller->setFakeEpoch(m_ui.time->dateTime());
-	});
-	connect(m_ui.time, &QDateTimeEdit::dateTimeChanged, [controller, this] (const QDateTime&) {
+	connect(m_ui.time, &QDateTimeEdit::dateTimeChanged, [this] (const QDateTime&) {
 		m_ui.timeButtons->checkedButton()->clicked();
 	});
-	connect(m_ui.timeNow, &QPushButton::clicked, [controller, this] () {
+	connect(m_ui.timeNow, &QPushButton::clicked, [this] () {
 		m_ui.time->setDateTime(QDateTime::currentDateTime());
 	});
-
-	connect(m_controller, &GameController::luminanceValueChanged, this, &SensorView::luminanceValueChanged);
 
 	m_timer.setInterval(2);
 	connect(&m_timer, &QTimer::timeout, this, &SensorView::updateSensors);
@@ -66,6 +56,22 @@ connect(m_ui.gyroSensitivity, static_cast<void (QDoubleSpinBox::*)(double)>(&QDoubleSpinBox::valueChanged), [this](double value) {
 		m_input->setGyroSensitivity(value * 1e8f);
 	});
 	m_input->stealFocus(this);
+	connect(m_input, &InputController::luminanceValueChanged, this, &SensorView::luminanceValueChanged);
+}
+
+void SensorView::setController(std::shared_ptr<CoreController> controller) {
+	m_controller = controller;
+	connect(m_ui.timeNoOverride, &QAbstractButton::clicked, controller.get(), &CoreController::setRealTime);
+	connect(m_ui.timeFixed, &QRadioButton::clicked, [controller, this] () {
+		controller->setFixedTime(m_ui.time->dateTime());
+	});
+	connect(m_ui.timeFakeEpoch, &QRadioButton::clicked, [controller, this] () {
+		controller->setFakeEpoch(m_ui.time->dateTime());
+	});
+
+	connect(controller.get(), &CoreController::stopping, [this]() {
+		m_controller.reset();
+	});
 }
 
 void SensorView::jiggerer(QAbstractButton* button, void (InputController::*setter)(int)) {
@@ -107,16 +113,7 @@ return false;
 }
 
 void SensorView::updateSensors() {
-	GameController::Interrupter interrupter(m_controller);
-	if (m_rotation->sample &&
-	    (!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);
-		m_rotation->sample(m_rotation);
-		m_rotation->sample(m_rotation);
-		m_rotation->sample(m_rotation);
-		m_rotation->sample(m_rotation);
+	if (m_rotation->sample && (!m_controller || m_controller->isPaused())) {
 		m_rotation->sample(m_rotation);
 	}
 	if (m_rotation->readTiltX && m_rotation->readTiltY) {
@@ -132,7 +129,9 @@ }
 
 void SensorView::setLuminanceValue(int value) {
 	value = std::max(0, std::min(value, 255));
-	m_controller->setLuminanceValue(value);
+	if (m_input) {
+		m_input->setLuminanceValue(value);
+	}
 }
 
 void SensorView::luminanceValueChanged(int value) {

@@ -10,6 +10,7 @@ #include <QTimer>
 #include <QDialog>
 
 #include <functional>
+#include <memory>
 
 #include "ui_SensorView.h"
 
@@ -18,7 +19,7 @@
 namespace QGBA {
 
 class ConfigController;
-class GameController;
+class CoreController;
 class GamepadAxisEvent;
 class InputController;
 
@@ -26,7 +27,9 @@ class SensorView : public QDialog {
 Q_OBJECT
 
 public:
-	SensorView(GameController* controller, InputController* input, QWidget* parent = nullptr);
+	SensorView(InputController* input, QWidget* parent = nullptr);
+
+	void setController(std::shared_ptr<CoreController>);
 
 protected:
 	bool eventFilter(QObject*, QEvent* event) override;
@@ -41,7 +44,7 @@ private:
 	Ui::SensorView m_ui;
 
 	std::function<void(int)> m_jiggered;
-	GameController* m_controller;
+	std::shared_ptr<CoreController> m_controller;
 	InputController* m_input;
 	mRotationSource* m_rotation;
 	QTimer m_timer;

@@ -174,19 +174,26 @@ }
 
 SettingsView::~SettingsView() {
 #if defined(BUILD_GL) || defined(BUILD_GLES)
-	if (m_shader) {
-		m_ui.stackedWidget->removeWidget(m_shader);
-		m_shader->setParent(nullptr);
-	}
+	setShaderSelector(nullptr);
 #endif
 }
 
 void SettingsView::setShaderSelector(ShaderSelector* shaderSelector) {
 #if defined(BUILD_GL) || defined(BUILD_GLES)
+	if (m_shader) {
+		auto items = m_ui.tabs->findItems(tr("Shaders"), Qt::MatchFixedString);
+		for (const auto& item : items) {
+			m_ui.tabs->removeItemWidget(item);
+		}
+		m_ui.stackedWidget->removeWidget(m_shader);
+		m_shader->setParent(nullptr);
+	}
 	m_shader = shaderSelector;
-	m_ui.stackedWidget->addWidget(m_shader);
-	m_ui.tabs->addItem(tr("Shaders"));
-	connect(m_ui.buttonBox, &QDialogButtonBox::accepted, m_shader, &ShaderSelector::saved);
+	if (shaderSelector) {
+		m_ui.stackedWidget->addWidget(m_shader);
+		m_ui.tabs->addItem(tr("Shaders"));
+		connect(m_ui.buttonBox, &QDialogButtonBox::accepted, m_shader, &ShaderSelector::saved);
+	}
 #endif
 }
 
@@ -269,6 +276,7 @@ QVariant displayDriver = m_ui.displayDriver->itemData(m_ui.displayDriver->currentIndex());
 	if (displayDriver != m_controller->getQtOption("displayDriver")) {
 		m_controller->setQtOption("displayDriver", displayDriver);
 		Display::setDriver(static_cast<Display::Driver>(displayDriver.toInt()));
+		setShaderSelector(nullptr);
 		emit displayDriverChanged();
 	}
 

@@ -5,6 +5,7 @@ * License, v. 2.0. If a copy of the MPL was not distributed with this
  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
 #include "TileView.h"
 
+#include "CoreController.h"
 #include "GBAApp.h"
 
 #include <QFontDatabase>
@@ -16,7 +17,7 @@ #endif
 
 using namespace QGBA;
 
-TileView::TileView(GameController* controller, QWidget* parent)
+TileView::TileView(std::shared_ptr<CoreController> controller, QWidget* parent)
 	: AssetView(controller, parent)
 	, m_controller(controller)
 {
@@ -79,40 +80,40 @@ #ifdef M_CORE_GBA
 void TileView::updateTilesGBA(bool force) {
 	if (m_ui.palette256->isChecked()) {
 		m_ui.tiles->setTileCount(1536);
-		mTileCacheSetPalette(m_tileCache.get(), 1);
+		mTileCacheSetPalette(m_tileCache, 1);
 		for (int i = 0; i < 1024; ++i) {
-			const uint16_t* data = mTileCacheGetTileIfDirty(m_tileCache.get(), &m_tileStatus[32 * i], i, 0);
+			const uint16_t* data = mTileCacheGetTileIfDirty(m_tileCache, &m_tileStatus[32 * i], i, 0);
 			if (data) {
 				m_ui.tiles->setTile(i, data);
 			} else if (force) {
-				m_ui.tiles->setTile(i, mTileCacheGetTile(m_tileCache.get(), i, 0));
+				m_ui.tiles->setTile(i, mTileCacheGetTile(m_tileCache, i, 0));
 			}
 		}
 		for (int i = 1024; i < 1536; ++i) {
-			const uint16_t* data = mTileCacheGetTileIfDirty(m_tileCache.get(), &m_tileStatus[32 * i], i, 1);
+			const uint16_t* data = mTileCacheGetTileIfDirty(m_tileCache, &m_tileStatus[32 * i], i, 1);
 			if (data) {
 				m_ui.tiles->setTile(i, data);
 			} else if (force) {
-				m_ui.tiles->setTile(i, mTileCacheGetTile(m_tileCache.get(), i, 1));
+				m_ui.tiles->setTile(i, mTileCacheGetTile(m_tileCache, i, 1));
 			}
 		}
 	} else {
 		m_ui.tiles->setTileCount(3072);
-		mTileCacheSetPalette(m_tileCache.get(), 0);
+		mTileCacheSetPalette(m_tileCache, 0);
 		for (int i = 0; i < 2048; ++i) {
-			const uint16_t* data = mTileCacheGetTileIfDirty(m_tileCache.get(), &m_tileStatus[32 * i], i, m_paletteId);
+			const uint16_t* data = mTileCacheGetTileIfDirty(m_tileCache, &m_tileStatus[32 * i], i, m_paletteId);
 			if (data) {
 				m_ui.tiles->setTile(i, data);
 			} else if (force) {
-				m_ui.tiles->setTile(i, mTileCacheGetTile(m_tileCache.get(), i, m_paletteId));
+				m_ui.tiles->setTile(i, mTileCacheGetTile(m_tileCache, i, m_paletteId));
 			}
 		}
 		for (int i = 2048; i < 3072; ++i) {
-			const uint16_t* data = mTileCacheGetTileIfDirty(m_tileCache.get(), &m_tileStatus[32 * i], i, m_paletteId + 16);
+			const uint16_t* data = mTileCacheGetTileIfDirty(m_tileCache, &m_tileStatus[32 * i], i, m_paletteId + 16);
 			if (data) {
 				m_ui.tiles->setTile(i, data);
 			} else if (force) {
-				m_ui.tiles->setTile(i, mTileCacheGetTile(m_tileCache.get(), i, m_paletteId + 16));
+				m_ui.tiles->setTile(i, mTileCacheGetTile(m_tileCache, i, m_paletteId + 16));
 			}
 		}
 	}
@@ -124,13 +125,13 @@ void TileView::updateTilesGB(bool force) {
 	const GB* gb = static_cast<const GB*>(m_controller->thread()->core->board);
 	int count = gb->model >= GB_MODEL_CGB ? 1024 : 512;
 	m_ui.tiles->setTileCount(count);
-	mTileCacheSetPalette(m_tileCache.get(), 0);
+	mTileCacheSetPalette(m_tileCache, 0);
 	for (int i = 0; i < count; ++i) {
-		const uint16_t* data = mTileCacheGetTileIfDirty(m_tileCache.get(), &m_tileStatus[16 * i], i, m_paletteId);
+		const uint16_t* data = mTileCacheGetTileIfDirty(m_tileCache, &m_tileStatus[16 * i], i, m_paletteId);
 		if (data) {
 			m_ui.tiles->setTile(i, data);
 		} else if (force) {
-			m_ui.tiles->setTile(i, mTileCacheGetTile(m_tileCache.get(), i, m_paletteId));
+			m_ui.tiles->setTile(i, mTileCacheGetTile(m_tileCache, i, m_paletteId));
 		}
 	}
 }

@@ -7,7 +7,6 @@ #ifndef QGBA_TILE_VIEW
 #define QGBA_TILE_VIEW
 
 #include "AssetView.h"
-#include "GameController.h"
 
 #include "ui_TileView.h"
 
@@ -15,11 +14,13 @@ #include <mgba/core/tile-cache.h>
 
 namespace QGBA {
 
+class CoreController;
+
 class TileView : public AssetView {
 Q_OBJECT
 
 public:
-	TileView(GameController* controller, QWidget* parent = nullptr);
+	TileView(std::shared_ptr<CoreController> controller, QWidget* parent = nullptr);
 
 public slots:
 	void updatePalette(int);
@@ -34,7 +35,7 @@ #endif
 
 	Ui::TileView m_ui;
 
-	GameController* m_controller;
+	std::shared_ptr<CoreController> m_controller;
 	mTileCacheEntry m_tileStatus[3072 * 32] = {}; // TODO: Correct size
 	int m_paletteId = 0;
 };

@@ -13,7 +13,33 @@ VFileDevice::VFileDevice(VFile* vf, QObject* parent)
 	: QIODevice(parent)
 	, m_vf(vf)
 {
-	// Nothing to do
+	// TODO: Correct mode
+	if (vf) {
+		setOpenMode(QIODevice::ReadWrite);
+	}
+}
+
+void VFileDevice::close() {
+	QIODevice::close();
+	m_vf->close(m_vf);
+	m_vf = nullptr;
+}
+
+bool VFileDevice::resize(qint64 sz) {
+	m_vf->truncate(m_vf, sz);
+	return true;
+}
+
+bool VFileDevice::seek(qint64 pos) {
+	QIODevice::seek(pos);
+	return m_vf->seek(m_vf, pos, SEEK_SET) == pos;
+}
+
+VFileDevice& VFileDevice::operator=(VFile* vf) {
+	close();
+	m_vf = vf;
+	setOpenMode(QIODevice::ReadWrite);
+	return *this;
 }
 
 qint64 VFileDevice::readData(char* data, qint64 maxSize) {

@@ -17,7 +17,16 @@ class VFileDevice : public QIODevice {
 Q_OBJECT
 
 public:
-	VFileDevice(VFile* vf, QObject* parent = nullptr);
+	VFileDevice(VFile* vf = nullptr, QObject* parent = nullptr);
+
+	virtual void close() override;
+	virtual bool seek(qint64 pos) override;
+	virtual qint64 size() const override;
+
+	bool resize(qint64 sz);
+
+	VFileDevice& operator=(VFile*);
+	operator VFile*() { return m_vf; }
 
 	static VFile* open(const QString& path, int mode);
 	static VDir* openDir(const QString& path);
@@ -26,7 +35,6 @@
 protected:
 	virtual qint64 readData(char* data, qint64 maxSize) override;
 	virtual qint64 writeData(const char* data, qint64 maxSize) override;
-	virtual qint64 size() const override;
 
 private:
 	VFile* m_vf;

@@ -195,6 +195,14 @@ free(m_videoCodecCstr);
 	free(m_containerCstr);
 }
 
+void VideoView::setController(std::shared_ptr<CoreController> controller) {
+	connect(controller.get(), &CoreController::stopping, this, &VideoView::stopRecording);
+	connect(this, &VideoView::recordingStarted, controller.get(), &CoreController::setAVStream);
+	connect(this, &VideoView::recordingStopped, controller.get(), &CoreController::clearAVStream, Qt::DirectConnection);
+
+	setNativeResolution(controller->screenDimensions());
+}
+
 void VideoView::startRecording() {
 	if (!validateSettings()) {
 		return;

@@ -10,12 +10,18 @@ #ifdef USE_FFMPEG
 
 #include <QWidget>
 
+#include <memory>
+
+#include "CoreController.h"
+
 #include "ui_VideoView.h"
 
 #include "feature/ffmpeg/ffmpeg-encoder.h"
 
 namespace QGBA {
 
+class CoreController;
+
 class VideoView : public QWidget {
 Q_OBJECT
 
@@ -26,6 +32,8 @@
 	mAVStream* getStream() { return &m_encoder.d; }
 
 public slots:
+	void setController(std::shared_ptr<CoreController>);
+
 	void startRecording();
 	void stopRecording();
 	void setNativeResolution(const QSize&);

@@ -1,4 +1,4 @@
-/* Copyright (c) 2013-2016 Jeffrey Pfau
+/* Copyright (c) 2013-2017 Jeffrey Pfau
  *
  * This Source Code Form is subject to the terms of the Mozilla Public
  * License, v. 2.0. If a copy of the MPL was not distributed with this
@@ -20,12 +20,14 @@ #include "library/LibraryController.h"
 #endif
 
 #include "AboutScreen.h"
+#include "AudioProcessor.h"
 #include "CheatsView.h"
 #include "ConfigController.h"
+#include "CoreController.h"
 #include "DebuggerConsole.h"
 #include "DebuggerConsoleController.h"
 #include "Display.h"
-#include "GameController.h"
+#include "CoreController.h"
 #include "GBAApp.h"
 #include "GDBController.h"
 #include "GDBWindow.h"
@@ -64,8 +66,9 @@ #include <mgba-util/vfs.h>
 
 using namespace QGBA;
 
-Window::Window(ConfigController* config, int playerId, QWidget* parent)
+Window::Window(CoreManager* manager, ConfigController* config, int playerId, QWidget* parent)
 	: QMainWindow(parent)
+	, m_manager(manager)
 	, m_logView(new LogView(&m_log))
 	, m_screenWidget(new WindowBackground())
 	, m_config(config)
@@ -74,20 +77,12 @@ {
 	setFocusPolicy(Qt::StrongFocus);
 	setAcceptDrops(true);
 	setAttribute(Qt::WA_DeleteOnClose);
-	m_controller = new GameController(this);
-	m_controller->setInputController(&m_inputController);
 	updateTitle();
-
-	m_display = Display::create(this);
-#if defined(BUILD_GL) || defined(BUILD_GLES)
-	m_shaderView = new ShaderSelector(m_display, m_config);
-#endif
+	reloadDisplayDriver();
 
 	m_logo.setDevicePixelRatio(m_screenWidget->devicePixelRatio());
 	m_logo = m_logo; // Free memory left over in old pixmap
 
-	m_screenWidget->setMinimumSize(m_display->minimumSize());
-	m_screenWidget->setSizePolicy(m_display->sizePolicy());
 #if defined(M_CORE_GBA)
 	float i = 2;
 #elif defined(M_CORE_GB)
@@ -103,7 +98,7 @@ m_libraryView = new LibraryController(nullptr, ConfigController::configDir() + "/library.sqlite3", m_config);
 	ConfigOption* showLibrary = m_config->addOption("showLibrary");
 	showLibrary->connect([this](const QVariant& value) {
 		if (value.toBool()) {
-			if (m_controller->isLoaded()) {
+			if (m_controller) {
 				m_screenWidget->layout()->addWidget(m_libraryView);
 			} else {
 				attachWidget(m_libraryView);
@@ -123,7 +118,7 @@ connect(m_libraryView, &LibraryController::startGame, [this]() {
 		VFile* output = m_libraryView->selectedVFile();
 		if (output) {
 			QPair<QString, QString> path = m_libraryView->selectedPath();
-			m_controller->loadGame(output, path.second, path.first);
+			setController(m_manager->loadGame(output, path.second, path.first), path.first + "/" + path.second);
 		}
 	});
 #endif
@@ -133,69 +128,14 @@ #elif defined(M_CORE_GB)
 	resizeFrame(QSize(GB_VIDEO_HORIZONTAL_PIXELS * i, GB_VIDEO_VERTICAL_PIXELS * i));
 #endif
 	m_screenWidget->setPixmap(m_logo);
-	m_screenWidget->setLockAspectRatio(m_logo.width(), m_logo.height());
+	m_screenWidget->setDimensions(m_logo.width(), m_logo.height());
 	m_screenWidget->setLockIntegerScaling(false);
+	m_screenWidget->setLockAspectRatio(true);
 	setCentralWidget(m_screenWidget);
 
-	connect(m_controller, &GameController::gameStarted, this, &Window::gameStarted);
-	connect(m_controller, &GameController::gameStarted, &m_inputController, &InputController::suspendScreensaver);
-	connect(m_controller, &GameController::gameStopped, m_display, &Display::stopDrawing);
-	connect(m_controller, &GameController::gameStopped, this, &Window::gameStopped);
-	connect(m_controller, &GameController::gameStopped, &m_inputController, &InputController::resumeScreensaver);
-	connect(m_controller, &GameController::stateLoaded, m_display, &Display::forceDraw);
-	connect(m_controller, &GameController::rewound, m_display, &Display::forceDraw);
-	connect(m_controller, &GameController::gamePaused, [this](mCoreThread* context) {
-		unsigned width, height;
-		context->core->desiredVideoDimensions(context->core, &width, &height);
-		QImage currentImage(reinterpret_cast<const uchar*>(m_controller->drawContext()), width, height,
-		                    width * BYTES_PER_PIXEL, QImage::Format_RGBX8888);
-		QPixmap pixmap;
-		pixmap.convertFromImage(currentImage);
-		m_screenWidget->setPixmap(pixmap);
-		m_screenWidget->setLockAspectRatio(width, height);
-	});
-	connect(m_controller, &GameController::gamePaused, m_display, &Display::pauseDrawing);
-#ifndef Q_OS_MAC
-	connect(m_controller, &GameController::gamePaused, menuBar(), &QWidget::show);
-	connect(m_controller, &GameController::gameUnpaused, [this]() {
-		if(isFullScreen()) {
-			menuBar()->hide();
-		}
-	});
-#endif
-	connect(m_controller, &GameController::gamePaused, &m_inputController, &InputController::resumeScreensaver);
-	connect(m_controller, &GameController::gameUnpaused, m_display, &Display::unpauseDrawing);
-	connect(m_controller, &GameController::gameUnpaused, &m_inputController, &InputController::suspendScreensaver);
-	connect(m_controller, &GameController::postLog, &m_log, &LogController::postLog);
-	connect(m_controller, &GameController::frameAvailable, this, &Window::recordFrame);
-	connect(m_controller, &GameController::frameAvailable, m_display, &Display::framePosted);
-	connect(m_controller, &GameController::gameCrashed, this, &Window::gameCrashed);
-	connect(m_controller, &GameController::gameFailed, this, &Window::gameFailed);
-	connect(m_controller, &GameController::unimplementedBiosCall, this, &Window::unimplementedBiosCall);
-	connect(m_controller, &GameController::statusPosted, m_display, &Display::showMessage);
-	connect(&m_log, &LogController::levelsSet, m_controller, &GameController::setLogLevel);
-	connect(&m_log, &LogController::levelsEnabled, m_controller, &GameController::enableLogLevel);
-	connect(&m_log, &LogController::levelsDisabled, m_controller, &GameController::disableLogLevel);
-	connect(this, &Window::startDrawing, m_display, &Display::startDrawing, Qt::QueuedConnection);
-	connect(this, &Window::shutdown, m_display, &Display::stopDrawing);
-	connect(this, &Window::shutdown, m_controller, &GameController::closeGame);
 	connect(this, &Window::shutdown, m_logView, &QWidget::hide);
-	connect(this, &Window::audioBufferSamplesChanged, m_controller, &GameController::setAudioBufferSamples);
-	connect(this, &Window::sampleRateChanged, m_controller, &GameController::setAudioSampleRate);
-	connect(this, &Window::fpsTargetChanged, m_controller, &GameController::setFPSTarget);
-	connect(&m_inputController, &InputController::keyPressed, m_controller, &GameController::keyPressed);
-	connect(&m_inputController, &InputController::keyReleased, m_controller, &GameController::keyReleased);
-	connect(&m_inputController, &InputController::keyAutofire, m_controller, &GameController::setAutofire);
 	connect(&m_fpsTimer, &QTimer::timeout, this, &Window::showFPS);
 	connect(&m_focusCheck, &QTimer::timeout, this, &Window::focusCheck);
-	connect(m_display, &Display::hideCursor, [this]() {
-		if (static_cast<QStackedLayout*>(m_screenWidget->layout())->currentWidget() == m_display) {
-			m_screenWidget->setCursor(Qt::BlankCursor);
-		}
-	});
-	connect(m_display, &Display::showCursor, [this]() {
-		m_screenWidget->unsetCursor();
-	});
 
 	m_log.setLevels(mLOG_WARN | mLOG_ERROR | mLOG_FATAL);
 	m_fpsTimer.setInterval(FPS_TIMER_INTERVAL);
@@ -213,6 +153,7 @@ }
 
 Window::~Window() {
 	delete m_logView;
+	delete m_overrideView;
 
 #ifdef USE_FFMPEG
 	delete m_videoView;
@@ -230,18 +171,14 @@
 void Window::argumentsPassed(mArguments* args) {
 	loadConfig();
 
-	if (args->patch) {
-		m_controller->loadPatch(args->patch);
-	}
-
 	if (args->fname) {
-		m_controller->loadGame(args->fname);
+		setController(m_manager->loadGame(args->fname), args->fname);
 	}
 
 #ifdef USE_GDB_STUB
 	if (args->debuggerType == DEBUGGER_GDB) {
 		if (!m_gdbController) {
-			m_gdbController = new GDBController(m_controller, this);
+			m_gdbController = new GDBController(this);
 			m_gdbController->listen();
 		}
 	}
@@ -264,19 +201,6 @@ void Window::loadConfig() {
 	const mCoreOptions* opts = m_config->options();
 	reloadConfig();
 
-	// TODO: Move these to ConfigController
-	if (opts->fpsTarget) {
-		emit fpsTargetChanged(opts->fpsTarget);
-	}
-
-	if (opts->audioBuffers) {
-		emit audioBufferSamplesChanged(opts->audioBuffers);
-	}
-
-	if (opts->sampleRate) {
-		emit sampleRateChanged(opts->sampleRate);
-	}
-
 	if (opts->width && opts->height) {
 		resizeFrame(QSize(opts->width, opts->height));
 	}
@@ -285,22 +209,10 @@ if (opts->fullscreen) {
 		enterFullScreen();
 	}
 
-#if defined(BUILD_GL) || defined(BUILD_GLES)
-	if (opts->shader) {
-		struct VDir* shader = VDirOpen(opts->shader);
-		if (shader) {
-			m_display->setShaders(shader);
-			m_shaderView->refreshShaders();
-			shader->close(shader);
-		}
-	}
-#endif
-
 	m_mruFiles = m_config->getMRU();
 	updateMRU();
 
 	m_inputController.setConfiguration(m_config);
-	m_controller->setUseBIOS(opts->useBios);
 }
 
 void Window::reloadConfig() {
@@ -308,7 +220,13 @@ const mCoreOptions* opts = m_config->options();
 
 	m_log.setLevels(opts->logLevel);
 
-	m_controller->setConfig(m_config->config());
+	if (m_controller) {
+		m_controller->loadConfig(m_config);
+		if (m_audioProcessor) {
+			m_audioProcessor->setBufferSamples(opts->audioBuffers);
+			m_audioProcessor->requestSampleRate(opts->sampleRate);
+		}
+	}
 	m_display->lockAspectRatio(opts->lockAspectRatio);
 	m_display->filter(opts->resampleVideo);
 
@@ -381,7 +299,7 @@
 void Window::selectROM() {
 	QString filename = GBAApp::app()->getOpenFileName(this, tr("Select ROM"), getFilters());
 	if (!filename.isEmpty()) {
-		m_controller->loadGame(filename);
+		setController(m_manager->loadGame(filename), filename);
 	}
 }
 
@@ -396,7 +314,7 @@ connect(archiveInspector, &QDialog::accepted, [this,  archiveInspector]() {
 		VFile* output = archiveInspector->selectedVFile();
 		QPair<QString, QString> path = archiveInspector->selectedPath();
 		if (output) {
-			m_controller->loadGame(output, path.second, path.first);
+			setController(m_manager->loadGame(output, path.second, path.first), path.first + "/" + path.second);
 		}
 		archiveInspector->close();
 	});
@@ -430,28 +348,32 @@ }
 }
 
 void Window::multiplayerChanged() {
+	if (!m_controller) {
+		return;
+	}
 	int attached = 1;
 	MultiplayerController* multiplayer = m_controller->multiplayerController();
 	if (multiplayer) {
 		attached = multiplayer->attached();
 	}
-	if (m_controller->isLoaded()) {
-		for (QAction* action : m_nonMpActions) {
-			action->setDisabled(attached > 1);
-		}
+	for (QAction* action : m_nonMpActions) {
+		action->setDisabled(attached > 1);
 	}
 }
 
 void Window::selectPatch() {
 	QString filename = GBAApp::app()->getOpenFileName(this, tr("Select patch"), tr("Patches (*.ips *.ups *.bps)"));
 	if (!filename.isEmpty()) {
-		m_controller->loadPatch(filename);
+		if (m_controller) {
+			m_controller->loadPatch(filename);
+		} else {
+			m_pendingPatch = filename;
+		}
 	}
 }
 
 void Window::openView(QWidget* widget) {
 	connect(this, &Window::shutdown, widget, &QWidget::close);
-	connect(m_controller, &GameController::gameStopped, widget, &QWidget::close);
 	widget->setAttribute(Qt::WA_DeleteOnClose);
 	widget->show();
 }
@@ -474,23 +396,17 @@ void Window::openSettingsWindow() {
 	SettingsView* settingsWindow = new SettingsView(m_config, &m_inputController);
 #if defined(BUILD_GL) || defined(BUILD_GLES)
 	if (m_display->supportsShaders()) {
-		settingsWindow->setShaderSelector(m_shaderView);
+		settingsWindow->setShaderSelector(m_shaderView.get());
 	}
 #endif
-	connect(settingsWindow, &SettingsView::biosLoaded, m_controller, &GameController::loadBIOS);
-	connect(settingsWindow, &SettingsView::audioDriverChanged, m_controller, &GameController::reloadAudioDriver);
-	connect(settingsWindow, &SettingsView::displayDriverChanged, this, &Window::mustRestart);
+	connect(settingsWindow, &SettingsView::displayDriverChanged, this, &Window::reloadDisplayDriver);
+	connect(settingsWindow, &SettingsView::audioDriverChanged, this, &Window::reloadAudioDriver);
 	connect(settingsWindow, &SettingsView::languageChanged, this, &Window::mustRestart);
 	connect(settingsWindow, &SettingsView::pathsChanged, this, &Window::reloadConfig);
 	connect(settingsWindow, &SettingsView::libraryCleared, m_libraryView, &LibraryController::clear);
 	openView(settingsWindow);
 }
 
-void Window::openAboutScreen() {
-	AboutScreen* about = new AboutScreen();
-	openView(about);
-}
-
 void Window::startVideoLog() {
 	QString filename = GBAApp::app()->getSaveFileName(this, tr("Select video log"), tr("Video logs (*.mvl)"));
 	if (!filename.isEmpty()) {
@@ -498,18 +414,19 @@ m_controller->startVideoLog(filename);
 	}
 }
 
-template <typename T, typename A>
-std::function<void()> Window::openTView(A arg) {
+template <typename T, typename... A>
+std::function<void()> Window::openTView(A... arg) {
 	return [=]() {
-		T* view = new T(m_controller, arg);
+		T* view = new T(arg...);
 		openView(view);
 	};
 }
 
-template <typename T>
-std::function<void()> Window::openTView() {
+
+template <typename T, typename... A>
+std::function<void()> Window::openControllerTView(A... arg) {
 	return [=]() {
-		T* view = new T(m_controller);
+		T* view = new T(m_controller, arg...);
 		openView(view);
 	};
 }
@@ -518,15 +435,8 @@ #ifdef USE_FFMPEG
 void Window::openVideoWindow() {
 	if (!m_videoView) {
 		m_videoView = new VideoView();
-		connect(m_videoView, &VideoView::recordingStarted, m_controller, &GameController::setAVStream);
-		connect(m_videoView, &VideoView::recordingStopped, m_controller, &GameController::clearAVStream, Qt::DirectConnection);
-		connect(m_controller, &GameController::gameStopped, m_videoView, &VideoView::stopRecording);
-		connect(m_controller, &GameController::gameStopped, m_videoView, &QWidget::close);
-		connect(m_controller, &GameController::gameStarted, [this]() {
-			m_videoView->setNativeResolution(m_controller->screenDimensions());
-		});
-		if (m_controller->isLoaded()) {
-			m_videoView->setNativeResolution(m_controller->screenDimensions());
+		if (m_controller) {
+			m_videoView->setController(m_controller);
 		}
 		connect(this, &Window::shutdown, m_videoView, &QWidget::close);
 	}
@@ -538,10 +448,9 @@ #ifdef USE_MAGICK
 void Window::openGIFWindow() {
 	if (!m_gifView) {
 		m_gifView = new GIFView();
-		connect(m_gifView, &GIFView::recordingStarted, m_controller, &GameController::setAVStream);
-		connect(m_gifView, &GIFView::recordingStopped, m_controller, &GameController::clearAVStream, Qt::DirectConnection);
-		connect(m_controller, &GameController::gameStopped, m_gifView, &GIFView::stopRecording);
-		connect(m_controller, &GameController::gameStopped, m_gifView, &QWidget::close);
+		if (m_controller) {
+			m_gifView->setController(m_controller);
+		}
 		connect(this, &Window::shutdown, m_gifView, &QWidget::close);
 	}
 	m_gifView->show();
@@ -551,9 +460,11 @@
 #ifdef USE_GDB_STUB
 void Window::gdbOpen() {
 	if (!m_gdbController) {
-		m_gdbController = new GDBController(m_controller, this);
+		m_gdbController = new GDBController(this);
 	}
 	GDBWindow* window = new GDBWindow(m_gdbController);
+	m_gdbController->setController(m_controller);
+	connect(m_controller.get(), &CoreController::stopping, window, &QWidget::close);
 	openView(window);
 }
 #endif
@@ -561,9 +472,12 @@
 #ifdef USE_DEBUGGERS
 void Window::consoleOpen() {
 	if (!m_console) {
-		m_console = new DebuggerConsoleController(m_controller, this);
+		m_console = new DebuggerConsoleController(this);
 	}
 	DebuggerConsole* window = new DebuggerConsole(m_console);
+	if (m_controller) {
+		m_console->setController(m_controller);
+	}
 	openView(window);
 }
 #endif
@@ -576,7 +490,7 @@ }
 
 	int factor = 0;
 	QSize size(VIDEO_HORIZONTAL_PIXELS, VIDEO_VERTICAL_PIXELS);
-	if (m_controller->isLoaded()) {
+	if (m_controller) {
 		size = m_controller->screenDimensions();
 	}
 	if (m_screenWidget->width() % size.width() == 0 && m_screenWidget->height() % size.height() == 0 &&
@@ -631,9 +545,6 @@ m_display->forceDraw();
 }
 
 void Window::focusOutEvent(QFocusEvent*) {
-	m_controller->setTurbo(false, false);
-	m_controller->stopRewinding();
-	m_controller->clearKeys();
 }
 
 void Window::dragEnterEvent(QDragEnterEvent* event) {
@@ -655,7 +566,7 @@ // No remote loading
 		return;
 	}
 	event->accept();
-	m_controller->loadGame(url.toLocalFile());
+	setController(m_manager->loadGame(url.toLocalFile()), url.toLocalFile());
 }
 
 void Window::mouseDoubleClickEvent(QMouseEvent* event) {
@@ -675,7 +586,7 @@ return;
 	}
 	showFullScreen();
 #ifndef Q_OS_MAC
-	if (m_controller->isLoaded() && !m_controller->isPaused()) {
+	if (m_controller && !m_controller->isPaused()) {
 		menuBar()->hide();
 	}
 #endif
@@ -698,34 +609,27 @@ enterFullScreen();
 	}
 }
 
-void Window::gameStarted(mCoreThread* context, const QString& fname) {
-	if (!mCoreThreadIsActive(context)) {
-		return;
-	}
-	emit startDrawing(context);
+void Window::gameStarted() {
 	for (QAction* action : m_gameActions) {
 		action->setDisabled(false);
 	}
 #ifdef M_CORE_GBA
 	for (QAction* action : m_gbaActions) {
-		action->setDisabled(context->core->platform(context->core) != PLATFORM_GBA);
+		action->setDisabled(m_controller->platform() != PLATFORM_GBA);
 	}
 #endif
 	multiplayerChanged();
-	if (!fname.isEmpty()) {
-		setWindowFilePath(fname);
-		appendMRU(fname);
-	}
 	updateTitle();
-	unsigned width, height;
-	context->core->desiredVideoDimensions(context->core, &width, &height);
-	m_display->setMinimumSize(width, height);
+	QSize size = m_controller->screenDimensions();
+	m_display->setMinimumSize(size);
 	m_screenWidget->setMinimumSize(m_display->minimumSize());
+	m_screenWidget->setDimensions(size.width(), size.height());
 	m_config->updateOption("lockIntegerScaling");
+	m_config->updateOption("lockAspectRatio");
 	if (m_savedScale > 0) {
-		resizeFrame(QSize(width, height) * m_savedScale);
+		resizeFrame(size * m_savedScale);
 	}
-	attachWidget(m_display);
+	attachWidget(m_display.get());
 
 #ifndef Q_OS_MAC
 	if (isFullScreen()) {
@@ -737,40 +641,40 @@ m_hitUnimplementedBiosCall = false;
 	m_fpsTimer.start();
 	m_focusCheck.start();
 
-	m_controller->threadInterrupt();
-	if (m_controller->isLoaded()) {
-		m_inputController.setPlatform(m_controller->platform());
-
-		mCore* core = m_controller->thread()->core;
-		const mCoreChannelInfo* videoLayers;
-		const mCoreChannelInfo* audioChannels;
-		size_t nVideo = core->listVideoLayers(core, &videoLayers);
-		size_t nAudio = core->listAudioChannels(core, &audioChannels);
+	CoreController::Interrupter interrupter(m_controller, true);
+	mCore* core = m_controller->thread()->core;
+	m_videoLayers->clear();
+	m_audioChannels->clear();
+	const mCoreChannelInfo* videoLayers;
+	const mCoreChannelInfo* audioChannels;
+	size_t nVideo = core->listVideoLayers(core, &videoLayers);
+	size_t nAudio = core->listAudioChannels(core, &audioChannels);
 
-		if (nVideo) {
-			for (size_t i = 0; i < nVideo; ++i) {
-				QAction* action = new QAction(videoLayers[i].visibleName, m_videoLayers);
-				action->setCheckable(true);
-				action->setChecked(true);
-				connect(action, &QAction::triggered, [this, videoLayers, i](bool enable) {
-					m_controller->setVideoLayerEnabled(videoLayers[i].id, enable);
-				});
-				m_videoLayers->addAction(action);
-			}
+	if (nVideo) {
+		for (size_t i = 0; i < nVideo; ++i) {
+			QAction* action = new QAction(videoLayers[i].visibleName, m_videoLayers);
+			action->setCheckable(true);
+			action->setChecked(true);
+			connect(action, &QAction::triggered, [this, videoLayers, i](bool enable) {
+				m_controller->thread()->core->enableVideoLayer(m_controller->thread()->core, videoLayers[i].id, enable);
+			});
+			m_videoLayers->addAction(action);
 		}
-		if (nAudio) {
-			for (size_t i = 0; i < nAudio; ++i) {
-				QAction* action = new QAction(audioChannels[i].visibleName, m_audioChannels);
-				action->setCheckable(true);
-				action->setChecked(true);
-				connect(action, &QAction::triggered, [this, audioChannels, i](bool enable) {
-					m_controller->setAudioChannelEnabled(audioChannels[i].id, enable);
-				});
-				m_audioChannels->addAction(action);
-			}
+	}
+	if (nAudio) {
+		for (size_t i = 0; i < nAudio; ++i) {
+			QAction* action = new QAction(audioChannels[i].visibleName, m_audioChannels);
+			action->setCheckable(true);
+			action->setChecked(true);
+			connect(action, &QAction::triggered, [this, audioChannels, i](bool enable) {
+				m_controller->thread()->core->enableAudioChannel(m_controller->thread()->core, audioChannels[i].id, enable);
+			});
+			m_audioChannels->addAction(action);
 		}
 	}
-	m_controller->threadContinue();
+	m_display->startDrawing(m_controller);
+
+	reloadAudioDriver();
 }
 
 void Window::gameStopped() {
@@ -784,9 +688,10 @@ action->setDisabled(true);
 	}
 	setWindowFilePath(QString());
 	updateTitle();
-	detachWidget(m_display);
-	m_screenWidget->setLockAspectRatio(m_logo.width(), m_logo.height());
+	detachWidget(m_display.get());
+	m_screenWidget->setDimensions(m_logo.width(), m_logo.height());
 	m_screenWidget->setLockIntegerScaling(false);
+	m_screenWidget->setLockAspectRatio(true);
 	m_screenWidget->setPixmap(m_logo);
 	m_screenWidget->unsetCursor();
 #ifdef M_CORE_GB
@@ -801,6 +706,8 @@ m_audioChannels->clear();
 
 	m_fpsTimer.stop();
 	m_focusCheck.stop();
+
+	emit paused(false);
 }
 
 void Window::gameCrashed(const QString& errorMessage) {
@@ -809,7 +716,7 @@ tr("The game has crashed with the following error:\n\n%1").arg(errorMessage),
 	                                     QMessageBox::Ok, this, Qt::Sheet);
 	crash->setAttribute(Qt::WA_DeleteOnClose);
 	crash->show();
-	connect(m_controller, &GameController::gameStarted, crash, &QWidget::close);
+	m_controller->stop();
 }
 
 void Window::gameFailed() {
@@ -818,7 +725,6 @@ tr("Could not load game. Are you sure it's in the correct format?"),
 	                                    QMessageBox::Ok, this, Qt::Sheet);
 	fail->setAttribute(Qt::WA_DeleteOnClose);
 	fail->show();
-	connect(m_controller, &GameController::gameStarted, fail, &QWidget::close);
 }
 
 void Window::unimplementedBiosCall(int call) {
@@ -835,6 +741,74 @@ fail->setAttribute(Qt::WA_DeleteOnClose);
 	fail->show();
 }
 
+void Window::reloadDisplayDriver() {
+	if (m_controller) {
+		m_display->stopDrawing();
+		detachWidget(m_display.get());
+	}
+	m_display = std::move(std::unique_ptr<Display>(Display::create(this)));
+#if defined(BUILD_GL) || defined(BUILD_GLES)
+	m_shaderView.reset();
+	m_shaderView = std::make_unique<ShaderSelector>(m_display.get(), m_config);
+#endif
+	m_screenWidget->setMinimumSize(m_display->minimumSize());
+	m_screenWidget->setSizePolicy(m_display->sizePolicy());
+	connect(this, &Window::shutdown, m_display.get(), &Display::stopDrawing);
+	connect(m_display.get(), &Display::hideCursor, [this]() {
+		if (static_cast<QStackedLayout*>(m_screenWidget->layout())->currentWidget() == m_display.get()) {
+			m_screenWidget->setCursor(Qt::BlankCursor);
+		}
+	});
+	connect(m_display.get(), &Display::showCursor, [this]() {
+		m_screenWidget->unsetCursor();
+	});
+
+	const mCoreOptions* opts = m_config->options();
+	m_display->lockAspectRatio(opts->lockAspectRatio);
+	m_display->filter(opts->resampleVideo);
+#if defined(BUILD_GL) || defined(BUILD_GLES)
+	if (opts->shader) {
+		struct VDir* shader = VDirOpen(opts->shader);
+		if (shader && m_display->supportsShaders()) {
+			m_display->setShaders(shader);
+			m_shaderView->refreshShaders();
+			shader->close(shader);
+		}
+	}
+#endif
+
+	if (m_controller) {
+		connect(m_controller.get(), &CoreController::stopping, m_display.get(), &Display::stopDrawing);
+		connect(m_controller.get(), &CoreController::stateLoaded, m_display.get(), &Display::forceDraw);
+		connect(m_controller.get(), &CoreController::rewound, m_display.get(), &Display::forceDraw);
+		connect(m_controller.get(), &CoreController::paused, m_display.get(), &Display::pauseDrawing);
+		connect(m_controller.get(), &CoreController::unpaused, m_display.get(), &Display::unpauseDrawing);
+		connect(m_controller.get(), &CoreController::frameAvailable, m_display.get(), &Display::framePosted);
+		connect(m_controller.get(), &CoreController::statusPosted, m_display.get(), &Display::showMessage);
+
+		attachWidget(m_display.get());
+		m_display->startDrawing(m_controller);
+	}
+}
+
+void Window::reloadAudioDriver() {
+	if (!m_controller) {
+		return;
+	}
+	if (m_audioProcessor) {
+		m_audioProcessor->stop();
+		m_audioProcessor.reset();
+	}
+
+	const mCoreOptions* opts = m_config->options();
+	m_audioProcessor = std::move(std::unique_ptr<AudioProcessor>(AudioProcessor::create()));
+	m_audioProcessor->setInput(m_controller);
+	m_audioProcessor->setBufferSamples(opts->audioBuffers);
+	m_audioProcessor->requestSampleRate(opts->sampleRate);
+	m_audioProcessor->start();
+	connect(m_controller.get(), &CoreController::stopping, m_audioProcessor.get(), &AudioProcessor::stop);
+}
+
 void Window::tryMakePortable() {
 	QMessageBox* confirm = new QMessageBox(QMessageBox::Question, tr("Really make portable?"),
 	                                       tr("This will make the emulator load its configuration from the same directory as the executable. Do you want to continue?"),
@@ -873,8 +847,8 @@
 void Window::updateTitle(float fps) {
 	QString title;
 
-	m_controller->threadInterrupt();
-	if (m_controller->isLoaded()) {
+	if (m_controller) {
+		CoreController::Interrupter interrupter(m_controller);
 		const NoIntroDB* db = GBAApp::app()->gameDB();
 		NoIntroGame game{};
 		uint32_t crc32 = 0;
@@ -890,19 +864,18 @@ if (db && crc32 && NoIntroDBLookupGameByCRC(db, crc32, &game)) {
 			title = QLatin1String(game.name);
 		}
 #endif
-	}
-	MultiplayerController* multiplayer = m_controller->multiplayerController();
-	if (multiplayer && multiplayer->attached() > 1) {
-		title += tr(" -  Player %1 of %2").arg(multiplayer->playerId(m_controller) + 1).arg(multiplayer->attached());
-		for (QAction* action : m_nonMpActions) {
-			action->setDisabled(true);
-		}
-	} else if (m_controller->isLoaded()) {
-		for (QAction* action : m_nonMpActions) {
-			action->setDisabled(false);
+		MultiplayerController* multiplayer = m_controller->multiplayerController();
+		if (multiplayer && multiplayer->attached() > 1) {
+			title += tr(" -  Player %1 of %2").arg(multiplayer->playerId(m_controller.get()) + 1).arg(multiplayer->attached());
+			for (QAction* action : m_nonMpActions) {
+				action->setDisabled(true);
+			}
+		} else {
+			for (QAction* action : m_nonMpActions) {
+				action->setDisabled(false);
+			}
 		}
 	}
-	m_controller->threadContinue();
 	if (title.isNull()) {
 		setWindowTitle(tr("%1 - %2").arg(projectName).arg(projectVersion));
 	} else if (fps < 0) {
@@ -923,7 +896,6 @@ }
 	bool wasPaused = m_controller->isPaused();
 	m_stateWindow = new LoadSaveState(m_controller);
 	connect(this, &Window::shutdown, m_stateWindow, &QWidget::close);
-	connect(m_controller, &GameController::gameStopped, m_stateWindow, &QWidget::close);
 	connect(m_stateWindow, &LoadSaveState::closed, [this]() {
 		detachWidget(m_stateWindow);
 		m_stateWindow = nullptr;
@@ -931,7 +903,11 @@ QMetaObject::invokeMethod(this, "setFocus", Qt::QueuedConnection);
 	});
 	if (!wasPaused) {
 		m_controller->setPaused(true);
-		connect(m_stateWindow, &LoadSaveState::closed, [this]() { m_controller->setPaused(false); });
+		connect(m_stateWindow, &LoadSaveState::closed, [this]() {
+			if (m_controller) {
+				m_controller->setPaused(false);
+			}
+		});
 	}
 	m_stateWindow->setAttribute(Qt::WA_DeleteOnClose);
 	m_stateWindow->setMode(ls);
@@ -959,17 +935,18 @@ addControlledAction(fileMenu, loadTemporarySave, "loadTemporarySave");
 
 	addControlledAction(fileMenu, fileMenu->addAction(tr("Load &patch..."), this, SLOT(selectPatch())), "loadPatch");
 
+#ifdef M_CORE_GBA
 	QAction* bootBIOS = new QAction(tr("Boot BIOS"), fileMenu);
 	connect(bootBIOS, &QAction::triggered, [this]() {
-		m_controller->loadBIOS(PLATFORM_GBA, m_config->getOption("gba.bios"));
-		m_controller->bootBIOS();
+		setController(m_manager->loadBIOS(PLATFORM_GBA, m_config->getOption("gba.bios")), QString());
 	});
 	addControlledAction(fileMenu, bootBIOS, "bootBIOS");
+#endif
 
 	addControlledAction(fileMenu, fileMenu->addAction(tr("Replace ROM..."), this, SLOT(replaceROM())), "replaceROM");
 
 	QAction* romInfo = new QAction(tr("ROM &info..."), fileMenu);
-	connect(romInfo, &QAction::triggered, openTView<ROMInfo>());
+	connect(romInfo, &QAction::triggered, openControllerTView<ROMInfo>());
 	m_gameActions.append(romInfo);
 	addControlledAction(fileMenu, romInfo, "romInfo");
 
@@ -999,13 +976,17 @@ QMenu* quickLoadMenu = fileMenu->addMenu(tr("Quick load"));
 	QMenu* quickSaveMenu = fileMenu->addMenu(tr("Quick save"));
 
 	QAction* quickLoad = new QAction(tr("Load recent"), quickLoadMenu);
-	connect(quickLoad, &QAction::triggered, m_controller, &GameController::loadState);
+	connect(quickLoad, &QAction::triggered, [this] {
+		m_controller->loadState();
+	});
 	m_gameActions.append(quickLoad);
 	m_nonMpActions.append(quickLoad);
 	addControlledAction(quickLoadMenu, quickLoad, "quickLoad");
 
 	QAction* quickSave = new QAction(tr("Save recent"), quickSaveMenu);
-	connect(quickSave, &QAction::triggered, m_controller, &GameController::saveState);
+	connect(quickLoad, &QAction::triggered, [this] {
+		m_controller->saveState();
+	});
 	m_gameActions.append(quickSave);
 	m_nonMpActions.append(quickSave);
 	addControlledAction(quickSaveMenu, quickSave, "quickSave");
@@ -1015,14 +996,18 @@ quickSaveMenu->addSeparator();
 
 	QAction* undoLoadState = new QAction(tr("Undo load state"), quickLoadMenu);
 	undoLoadState->setShortcut(tr("F11"));
-	connect(undoLoadState, &QAction::triggered, m_controller, &GameController::loadBackupState);
+	connect(undoLoadState, &QAction::triggered, [this]() {
+		m_controller->loadBackupState();
+	});
 	m_gameActions.append(undoLoadState);
 	m_nonMpActions.append(undoLoadState);
 	addControlledAction(quickLoadMenu, undoLoadState, "undoLoadState");
 
 	QAction* undoSaveState = new QAction(tr("Undo save state"), quickSaveMenu);
 	undoSaveState->setShortcut(tr("Shift+F11"));
-	connect(undoSaveState, &QAction::triggered, m_controller, &GameController::saveBackupState);
+	connect(undoSaveState, &QAction::triggered, [this]() {
+		m_controller->saveBackupState();
+	});
 	m_gameActions.append(undoSaveState);
 	m_nonMpActions.append(undoSaveState);
 	addControlledAction(quickSaveMenu, undoSaveState, "undoSaveState");
@@ -1034,14 +1019,18 @@ int i;
 	for (i = 1; i < 10; ++i) {
 		quickLoad = new QAction(tr("State &%1").arg(i), quickLoadMenu);
 		quickLoad->setShortcut(tr("F%1").arg(i));
-		connect(quickLoad, &QAction::triggered, [this, i]() { m_controller->loadState(i); });
+		connect(quickLoad, &QAction::triggered, [this, i]() {
+			m_controller->loadState(i);
+		});
 		m_gameActions.append(quickLoad);
 		m_nonMpActions.append(quickLoad);
 		addControlledAction(quickLoadMenu, quickLoad, QString("quickLoad.%1").arg(i));
 
 		quickSave = new QAction(tr("State &%1").arg(i), quickSaveMenu);
 		quickSave->setShortcut(tr("Shift+F%1").arg(i));
-		connect(quickSave, &QAction::triggered, [this, i]() { m_controller->saveState(i); });
+		connect(quickSave, &QAction::triggered, [this, i]() {
+			m_controller->saveState(i);
+		});
 		m_gameActions.append(quickSave);
 		m_nonMpActions.append(quickSave);
 		addControlledAction(quickSaveMenu, quickSave, QString("quickSave.%1").arg(i));
@@ -1074,7 +1063,7 @@ fileMenu->addSeparator();
 #endif
 
 	QAction* about = new QAction(tr("About"), fileMenu);
-	connect(about, &QAction::triggered, this, &Window::openAboutScreen);
+	connect(about, &QAction::triggered, openTView<AboutScreen>());
 	fileMenu->addAction(about);
 
 #ifndef Q_OS_MAC
@@ -1084,18 +1073,24 @@
 	QMenu* emulationMenu = menubar->addMenu(tr("&Emulation"));
 	QAction* reset = new QAction(tr("&Reset"), emulationMenu);
 	reset->setShortcut(tr("Ctrl+R"));
-	connect(reset, &QAction::triggered, m_controller, &GameController::reset);
+	connect(reset, &QAction::triggered, [this]() {
+		m_controller->reset();
+	});
 	m_gameActions.append(reset);
 	addControlledAction(emulationMenu, reset, "reset");
 
 	QAction* shutdown = new QAction(tr("Sh&utdown"), emulationMenu);
-	connect(shutdown, &QAction::triggered, m_controller, &GameController::closeGame);
+	connect(shutdown, &QAction::triggered, [this]() {
+		m_controller->stop();
+	});
 	m_gameActions.append(shutdown);
 	addControlledAction(emulationMenu, shutdown, "shutdown");
 
 #ifdef M_CORE_GBA
 	QAction* yank = new QAction(tr("Yank game pak"), emulationMenu);
-	connect(yank, &QAction::triggered, m_controller, &GameController::yankPak);
+	connect(yank, &QAction::triggered, [this]() {
+		m_controller->yankPak();
+	});
 	m_gameActions.append(yank);
 	m_gbaActions.append(yank);
 	addControlledAction(emulationMenu, yank, "yank");
@@ -1106,39 +1101,44 @@ QAction* pause = new QAction(tr("&Pause"), emulationMenu);
 	pause->setChecked(false);
 	pause->setCheckable(true);
 	pause->setShortcut(tr("Ctrl+P"));
-	connect(pause, &QAction::triggered, m_controller, &GameController::setPaused);
-	connect(m_controller, &GameController::gamePaused, [this, pause]() {
-		pause->setChecked(true);
+	connect(pause, &QAction::triggered, [this](bool paused) {
+		m_controller->setPaused(paused);
+	});
+	connect(this, &Window::paused, [pause](bool paused) {
+		pause->setChecked(paused);
 	});
-	connect(m_controller, &GameController::gameUnpaused, [pause]() { pause->setChecked(false); });
 	m_gameActions.append(pause);
 	addControlledAction(emulationMenu, pause, "pause");
 
 	QAction* frameAdvance = new QAction(tr("&Next frame"), emulationMenu);
 	frameAdvance->setShortcut(tr("Ctrl+N"));
-	connect(frameAdvance, &QAction::triggered, m_controller, &GameController::frameAdvance);
+	connect(frameAdvance, &QAction::triggered, [this]() {
+		m_controller->frameAdvance();
+	});
 	m_gameActions.append(frameAdvance);
 	addControlledAction(emulationMenu, frameAdvance, "frameAdvance");
 
 	emulationMenu->addSeparator();
 
 	m_inputController.inputIndex()->addItem(qMakePair([this]() {
-		m_controller->setTurbo(true, false);
+		m_controller->setFastForward(true);
 	}, [this]() {
-		m_controller->setTurbo(false, false);
+		m_controller->setFastForward(false);
 	}), tr("Fast forward (held)"), "holdFastForward", emulationMenu)->setShortcut(QKeySequence(Qt::Key_Tab)[0]);
 
 	QAction* turbo = new QAction(tr("&Fast forward"), emulationMenu);
 	turbo->setCheckable(true);
 	turbo->setChecked(false);
 	turbo->setShortcut(tr("Shift+Tab"));
-	connect(turbo, SIGNAL(triggered(bool)), m_controller, SLOT(setTurbo(bool)));
+	connect(turbo, &QAction::triggered, [this](bool value) {
+		m_controller->forceFastForward(value);
+	});
 	addControlledAction(emulationMenu, turbo, "fastForward");
 
 	QMenu* ffspeedMenu = emulationMenu->addMenu(tr("Fast forward speed"));
 	ConfigOption* ffspeed = m_config->addOption("fastForwardRatio");
 	ffspeed->connect([this](const QVariant& value) {
-		m_controller->setTurboSpeed(value.toFloat());
+		reloadConfig();
 	}, this);
 	ffspeed->addValue(tr("Unbounded"), -1.0f, ffspeedMenu);
 	ffspeed->setValue(QVariant(-1.0f));
@@ -1149,14 +1149,16 @@ }
 	m_config->updateOption("fastForwardRatio");
 
 	m_inputController.inputIndex()->addItem(qMakePair([this]() {
-		m_controller->startRewinding();
+		m_controller->setRewinding(true);
 	}, [this]() {
-		m_controller->stopRewinding();
+		m_controller->setRewinding(false);
 	}), tr("Rewind (held)"), "holdRewind", emulationMenu)->setShortcut(QKeySequence("`")[0]);
 
 	QAction* rewind = new QAction(tr("Re&wind"), emulationMenu);
 	rewind->setShortcut(tr("~"));
-	connect(rewind, &QAction::triggered, m_controller, &GameController::rewind);
+	connect(rewind, &QAction::triggered, [this]() {
+		m_controller->rewind();
+	});
 	m_gameActions.append(rewind);
 	m_nonMpActions.append(rewind);
 	addControlledAction(emulationMenu, rewind, "rewind");
@@ -1173,14 +1175,14 @@
 	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");
 
@@ -1188,26 +1190,26 @@ emulationMenu->addSeparator();
 
 	QMenu* solarMenu = emulationMenu->addMenu(tr("Solar sensor"));
 	QAction* solarIncrease = new QAction(tr("Increase solar level"), solarMenu);
-	connect(solarIncrease, &QAction::triggered, m_controller, &GameController::increaseLuminanceLevel);
+	connect(solarIncrease, &QAction::triggered, &m_inputController, &InputController::increaseLuminanceLevel);
 	addControlledAction(solarMenu, solarIncrease, "increaseLuminanceLevel");
 
 	QAction* solarDecrease = new QAction(tr("Decrease solar level"), solarMenu);
-	connect(solarDecrease, &QAction::triggered, m_controller, &GameController::decreaseLuminanceLevel);
+	connect(solarDecrease, &QAction::triggered, &m_inputController, &InputController::decreaseLuminanceLevel);
 	addControlledAction(solarMenu, solarDecrease, "decreaseLuminanceLevel");
 
 	QAction* maxSolar = new QAction(tr("Brightest solar level"), solarMenu);
-	connect(maxSolar, &QAction::triggered, [this]() { m_controller->setLuminanceLevel(10); });
+	connect(maxSolar, &QAction::triggered, [this]() { m_inputController.setLuminanceLevel(10); });
 	addControlledAction(solarMenu, maxSolar, "maxLuminanceLevel");
 
 	QAction* minSolar = new QAction(tr("Darkest solar level"), solarMenu);
-	connect(minSolar, &QAction::triggered, [this]() { m_controller->setLuminanceLevel(0); });
+	connect(minSolar, &QAction::triggered, [this]() { m_inputController.setLuminanceLevel(0); });
 	addControlledAction(solarMenu, minSolar, "minLuminanceLevel");
 
 	solarMenu->addSeparator();
 	for (int i = 0; i <= 10; ++i) {
 		QAction* setSolar = new QAction(tr("Brightness %1").arg(QString::number(i)), solarMenu);
 		connect(setSolar, &QAction::triggered, [this, i]() {
-			m_controller->setLuminanceLevel(i);
+			m_inputController.setLuminanceLevel(i);
 		});
 		addControlledAction(solarMenu, setSolar, QString("luminanceLevel.%1").arg(QString::number(i)));
 	}
@@ -1223,7 +1225,7 @@ }
 		connect(setSize, &QAction::triggered, [this, i, setSize]() {
 			showNormal();
 			QSize size(VIDEO_HORIZONTAL_PIXELS, VIDEO_VERTICAL_PIXELS);
-			if (m_controller->isLoaded()) {
+			if (m_controller) {
 				size = m_controller->screenDimensions();
 			}
 			size *= i;
@@ -1249,6 +1251,9 @@ ConfigOption* lockAspectRatio = m_config->addOption("lockAspectRatio");
 	lockAspectRatio->addBoolean(tr("Lock aspect ratio"), avMenu);
 	lockAspectRatio->connect([this](const QVariant& value) {
 		m_display->lockAspectRatio(value.toBool());
+		if (m_controller) {
+			m_screenWidget->setLockAspectRatio(value.toBool());
+		}
 	}, this);
 	m_config->updateOption("lockAspectRatio");
 
@@ -1256,7 +1261,7 @@ ConfigOption* lockIntegerScaling = m_config->addOption("lockIntegerScaling");
 	lockIntegerScaling->addBoolean(tr("Force integer scaling"), avMenu);
 	lockIntegerScaling->connect([this](const QVariant& value) {
 		m_display->lockIntegerScaling(value.toBool());
-		if (m_controller->isLoaded()) {
+		if (m_controller) {
 			m_screenWidget->setLockIntegerScaling(value.toBool());
 		}
 	}, this);
@@ -1292,7 +1297,7 @@
 	QMenu* target = avMenu->addMenu(tr("FPS target"));
 	ConfigOption* fpsTargetOption = m_config->addOption("fpsTarget");
 	fpsTargetOption->connect([this](const QVariant& value) {
-		emit fpsTargetChanged(value.toFloat());
+		reloadConfig();
 	}, this);
 	fpsTargetOption->addValue(tr("15"), 15, target);
 	fpsTargetOption->addValue(tr("30"), 30, target);
@@ -1311,7 +1316,9 @@
 #ifdef USE_PNG
 	QAction* screenshot = new QAction(tr("Take &screenshot"), avMenu);
 	screenshot->setShortcut(tr("F12"));
-	connect(screenshot, &QAction::triggered, m_controller, &GameController::screenshot);
+	connect(screenshot, &QAction::triggered, [this]() {
+		m_controller->screenshot();
+	});
 	m_gameActions.append(screenshot);
 	addControlledAction(avMenu, screenshot, "screenshot");
 #endif
@@ -1335,7 +1342,9 @@ addControlledAction(avMenu, recordVL, "recordVL");
 	m_gameActions.append(recordVL);
 
 	QAction* stopVL = new QAction(tr("Stop video log"), avMenu);
-	connect(stopVL, &QAction::triggered, m_controller, &GameController::endVideoLog);
+	connect(stopVL, &QAction::triggered, [this]() {
+		m_controller->endVideoLog();
+	});
 	addControlledAction(avMenu, stopVL, "stopVL");
 	m_gameActions.append(stopVL);
 
@@ -1349,7 +1358,16 @@ connect(viewLogs, &QAction::triggered, m_logView, &QWidget::show);
 	addControlledAction(toolsMenu, viewLogs, "viewLogs");
 
 	QAction* overrides = new QAction(tr("Game &overrides..."), toolsMenu);
-	connect(overrides, &QAction::triggered, openTView<OverrideView, ConfigController*>(m_config));
+	connect(overrides, &QAction::triggered, [this]() {
+		if (!m_overrideView) {
+			m_overrideView = new OverrideView(m_config);
+			if (m_controller) {
+				m_overrideView->setController(m_controller);
+			}
+			connect(this, &Window::shutdown, m_overrideView, &QWidget::close);
+		}
+		m_overrideView->show();
+	});
 	addControlledAction(toolsMenu, overrides, "overrideWindow");
 
 	QAction* sensors = new QAction(tr("Game &Pak sensors..."), toolsMenu);
@@ -1357,7 +1375,7 @@ connect(sensors, &QAction::triggered, openTView<SensorView, InputController*>(&m_inputController));
 	addControlledAction(toolsMenu, sensors, "sensorWindow");
 
 	QAction* cheats = new QAction(tr("&Cheats..."), toolsMenu);
-	connect(cheats, &QAction::triggered, openTView<CheatsView>());
+	connect(cheats, &QAction::triggered, openControllerTView<CheatsView>());
 	m_gameActions.append(cheats);
 	addControlledAction(toolsMenu, cheats, "cheatsWindow");
 
@@ -1377,38 +1395,39 @@ #ifdef USE_GDB_STUB
 	QAction* gdbWindow = new QAction(tr("Start &GDB server..."), toolsMenu);
 	connect(gdbWindow, &QAction::triggered, this, &Window::gdbOpen);
 	m_gbaActions.append(gdbWindow);
+	m_gameActions.append(gdbWindow);
 	addControlledAction(toolsMenu, gdbWindow, "gdbWindow");
 #endif
 	toolsMenu->addSeparator();
 
 	QAction* paletteView = new QAction(tr("View &palette..."), toolsMenu);
-	connect(paletteView, &QAction::triggered, openTView<PaletteView>());
+	connect(paletteView, &QAction::triggered, openControllerTView<PaletteView>());
 	m_gameActions.append(paletteView);
 	addControlledAction(toolsMenu, paletteView, "paletteWindow");
 
 	QAction* objView = new QAction(tr("View &sprites..."), toolsMenu);
-	connect(objView, &QAction::triggered, openTView<ObjView>());
+	connect(objView, &QAction::triggered, openControllerTView<ObjView>());
 	m_gameActions.append(objView);
 	addControlledAction(toolsMenu, objView, "spriteWindow");
 
 	QAction* tileView = new QAction(tr("View &tiles..."), toolsMenu);
-	connect(tileView, &QAction::triggered, openTView<TileView>());
+	connect(tileView, &QAction::triggered, openControllerTView<TileView>());
 	m_gameActions.append(tileView);
 	addControlledAction(toolsMenu, tileView, "tileWindow");
 
 	QAction* memoryView = new QAction(tr("View memory..."), toolsMenu);
-	connect(memoryView, &QAction::triggered, openTView<MemoryView>());
+	connect(memoryView, &QAction::triggered, openControllerTView<MemoryView>());
 	m_gameActions.append(memoryView);
 	addControlledAction(toolsMenu, memoryView, "memoryView");
 
 	QAction* memorySearch = new QAction(tr("Search memory..."), toolsMenu);
-	connect(memorySearch, &QAction::triggered, openTView<MemorySearch>());
+	connect(memorySearch, &QAction::triggered, openControllerTView<MemorySearch>());
 	m_gameActions.append(memorySearch);
 	addControlledAction(toolsMenu, memorySearch, "memorySearch");
 
 #ifdef M_CORE_GBA
 	QAction* ioViewer = new QAction(tr("View &I/O registers..."), toolsMenu);
-	connect(ioViewer, &QAction::triggered, openTView<IOViewer>());
+	connect(ioViewer, &QAction::triggered, openControllerTView<IOViewer>());
 	m_gameActions.append(ioViewer);
 	m_gbaActions.append(ioViewer);
 	addControlledAction(toolsMenu, ioViewer, "ioViewer");
@@ -1421,17 +1440,17 @@ }, 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");
 	buffers->connect([this](const QVariant& value) {
-		emit audioBufferSamplesChanged(value.toInt());
+		reloadConfig();
 	}, this);
 
 	ConfigOption* sampleRate = m_config->addOption("sampleRate");
 	sampleRate->connect([this](const QVariant& value) {
-		emit sampleRateChanged(value.toUInt());
+		reloadConfig();
 	}, this);
 
 	ConfigOption* volume = m_config->addOption("volume");
@@ -1441,39 +1460,37 @@ }, this);
 
 	ConfigOption* rewindEnable = m_config->addOption("rewindEnable");
 	rewindEnable->connect([this](const QVariant& value) {
-		m_controller->setRewind(value.toBool(), m_config->getOption("rewindBufferCapacity").toInt(), m_config->getOption("rewindSave").toInt());
+		reloadConfig();
 	}, this);
 
 	ConfigOption* rewindBufferCapacity = m_config->addOption("rewindBufferCapacity");
 	rewindBufferCapacity->connect([this](const QVariant& value) {
-		m_controller->setRewind(m_config->getOption("rewindEnable").toInt(), value.toInt(), m_config->getOption("rewindSave").toInt());
+		reloadConfig();
 	}, this);
 
 	ConfigOption* rewindSave = m_config->addOption("rewindSave");
 	rewindBufferCapacity->connect([this](const QVariant& value) {
-		m_controller->setRewind(m_config->getOption("rewindEnable").toInt(), m_config->getOption("rewindBufferCapacity").toInt(), value.toBool());
+		reloadConfig();
 	}, this);
 
 	ConfigOption* allowOpposingDirections = m_config->addOption("allowOpposingDirections");
 	allowOpposingDirections->connect([this](const QVariant& value) {
-		m_inputController.setAllowOpposing(value.toBool());
+		reloadConfig();
 	}, this);
 
 	ConfigOption* saveStateExtdata = m_config->addOption("saveStateExtdata");
 	saveStateExtdata->connect([this](const QVariant& value) {
-		m_controller->setSaveStateExtdata(value.toInt());
+		reloadConfig();
 	}, this);
-	m_config->updateOption("saveStateExtdata");
 
 	ConfigOption* loadStateExtdata = m_config->addOption("loadStateExtdata");
 	loadStateExtdata->connect([this](const QVariant& value) {
-		m_controller->setLoadStateExtdata(value.toInt());
+		reloadConfig();
 	}, this);
-	m_config->updateOption("loadStateExtdata");
 
 	ConfigOption* preload = m_config->addOption("preload");
 	preload->connect([this](const QVariant& value) {
-		m_controller->setPreload(value.toBool());
+		m_manager->setPreload(value.toBool());
 	}, this);
 	m_config->updateOption("preload");
 
@@ -1523,7 +1540,9 @@ int i = 0;
 	for (const QString& file : m_mruFiles) {
 		QAction* item = new QAction(QDir::toNativeSeparators(file).replace("&", "&&"), m_mruMenu);
 		item->setShortcut(QString("Ctrl+%1").arg(i));
-		connect(item, &QAction::triggered, [this, file]() { m_controller->loadGame(file); });
+		connect(item, &QAction::triggered, [this, file]() {
+			setController(m_manager->loadGame(file), file);
+		});
 		m_mruMenu->addAction(item);
 		++i;
 	}
@@ -1546,7 +1565,7 @@ return action;
 }
 
 void Window::focusCheck() {
-	if (!m_config->getOption("pauseOnFocusLost").toInt()) {
+	if (!m_config->getOption("pauseOnFocusLost").toInt() || !m_controller) {
 		return;
 	}
 	if (QGuiApplication::focusWindow() && m_autoresume) {
@@ -1558,6 +1577,107 @@ m_controller->setPaused(true);
 	}
 }
 
+void Window::setController(CoreController* controller, const QString& fname) {
+	if (!controller) {
+		return;
+	}
+	if (!fname.isEmpty()) {
+		setWindowFilePath(fname);
+		appendMRU(fname);
+	}
+
+	if (m_controller) {
+		m_controller->disconnect(this);
+		m_controller->stop();
+		m_controller.reset();
+	}
+
+	m_controller = std::shared_ptr<CoreController>(controller);
+	m_inputController.recalibrateAxes();
+	m_controller->setInputController(&m_inputController);
+	m_controller->setLogger(&m_log);
+
+	connect(this, &Window::shutdown, [this]() {
+		if (!m_controller) {
+			return;
+		}
+		m_controller->stop();
+	});
+
+	connect(m_controller.get(), &CoreController::started, this, &Window::gameStarted);
+	connect(m_controller.get(), &CoreController::started, &m_inputController, &InputController::suspendScreensaver);
+	connect(m_controller.get(), &CoreController::stopping, this, &Window::gameStopped);
+	{
+		std::shared_ptr<CoreController> controller(m_controller);
+		connect(m_controller.get(), &CoreController::stopping, [this, controller]() {
+			if (m_controller == controller) {
+				m_controller.reset();
+			}
+		});
+	}
+	connect(m_controller.get(), &CoreController::stopping, &m_inputController, &InputController::resumeScreensaver);
+	connect(m_controller.get(), &CoreController::paused, [this]() {
+		QSize size = m_controller->screenDimensions();
+		QImage currentImage(reinterpret_cast<const uchar*>(m_controller->drawContext()), size.width(), size.height(),
+		                    size.width() * BYTES_PER_PIXEL, QImage::Format_RGBX8888);
+		QPixmap pixmap;
+		pixmap.convertFromImage(currentImage);
+		m_screenWidget->setPixmap(pixmap);
+		emit paused(true);
+	});
+
+#ifndef Q_OS_MAC
+	connect(m_controller.get(), &CoreController::paused, menuBar(), &QWidget::show);
+	connect(m_controller.get(), &CoreController::unpaused, [this]() {
+		if(isFullScreen()) {
+			menuBar()->hide();
+		}
+	});
+#endif
+
+	connect(m_controller.get(), &CoreController::paused, &m_inputController, &InputController::resumeScreensaver);
+	connect(m_controller.get(), &CoreController::unpaused, [this]() {
+		emit paused(false);
+	});
+
+	connect(m_controller.get(), &CoreController::stopping, m_display.get(), &Display::stopDrawing);
+	connect(m_controller.get(), &CoreController::stateLoaded, m_display.get(), &Display::forceDraw);
+	connect(m_controller.get(), &CoreController::rewound, m_display.get(), &Display::forceDraw);
+	connect(m_controller.get(), &CoreController::paused, m_display.get(), &Display::pauseDrawing);
+	connect(m_controller.get(), &CoreController::unpaused, m_display.get(), &Display::unpauseDrawing);
+	connect(m_controller.get(), &CoreController::frameAvailable, m_display.get(), &Display::framePosted);
+	connect(m_controller.get(), &CoreController::statusPosted, m_display.get(), &Display::showMessage);
+
+	connect(m_controller.get(), &CoreController::unpaused, &m_inputController, &InputController::suspendScreensaver);
+	connect(m_controller.get(), &CoreController::frameAvailable, this, &Window::recordFrame);
+	connect(m_controller.get(), &CoreController::crashed, this, &Window::gameCrashed);
+	connect(m_controller.get(), &CoreController::failed, this, &Window::gameFailed);
+	connect(m_controller.get(), &CoreController::unimplementedBiosCall, this, &Window::unimplementedBiosCall);
+
+	if (m_gdbController) {
+		m_gdbController->setController(m_controller);
+	}
+	if (m_console) {
+		m_console->setController(m_controller);
+	}
+	if (m_gifView) {
+		m_gifView->setController(m_controller);
+	}
+	if (m_videoView) {
+		m_videoView->setController(m_controller);
+	}
+	if (m_overrideView) {
+		m_overrideView->setController(m_controller);
+	}
+
+	if (!m_pendingPatch.isEmpty()) {
+		m_controller->loadPatch(m_pendingPatch);
+		m_pendingPatch = QString();
+	}
+
+	m_controller->start();
+}
+
 WindowBackground::WindowBackground(QWidget* parent)
 	: QLabel(parent)
 {
@@ -1574,13 +1694,17 @@ QSize WindowBackground::sizeHint() const {
 	return m_sizeHint;
 }
 
-void WindowBackground::setLockAspectRatio(int width, int height) {
+void WindowBackground::setDimensions(int width, int height) {
 	m_aspectWidth = width;
 	m_aspectHeight = height;
 }
 
 void WindowBackground::setLockIntegerScaling(bool lock) {
 	m_lockIntegerScaling = lock;
+}
+
+void WindowBackground::setLockAspectRatio(bool lock) {
+	m_lockAspectRatio = lock;
 }
 
 void WindowBackground::paintEvent(QPaintEvent*) {
@@ -1593,10 +1717,12 @@ painter.setRenderHint(QPainter::SmoothPixmapTransform);
 	painter.fillRect(QRect(QPoint(), size()), Qt::black);
 	QSize s = size();
 	QSize ds = s;
-	if (ds.width() * m_aspectHeight > ds.height() * m_aspectWidth) {
-		ds.setWidth(ds.height() * m_aspectWidth / m_aspectHeight);
-	} else if (ds.width() * m_aspectHeight < ds.height() * m_aspectWidth) {
-		ds.setHeight(ds.width() * m_aspectHeight / m_aspectWidth);
+	if (m_lockAspectRatio) {
+		if (ds.width() * m_aspectHeight > ds.height() * m_aspectWidth) {
+			ds.setWidth(ds.height() * m_aspectWidth / m_aspectHeight);
+		} else if (ds.width() * m_aspectHeight < ds.height() * m_aspectWidth) {
+			ds.setHeight(ds.width() * m_aspectHeight / m_aspectWidth);
+		}
 	}
 	if (m_lockIntegerScaling) {
 		ds.setWidth(ds.width() - ds.width() % m_aspectWidth);