@@ -12,6 +12,7 @@ CXX_GUARD_START
 
 struct mCore;
 struct mCore* GBCoreCreate(void);
+struct mCore* GBVideoLogPlayerCreate(void);
 
 CXX_GUARD_END
 

@@ -0,0 +1,31 @@
+/* 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 GB_VIDEO_PROXY_H
+#define GB_VIDEO_PROXY_H
+
+#include <mgba-util/common.h>
+
+CXX_GUARD_START
+
+#include <mgba/internal/gb/video.h>
+#include "feature/video-logger.h"
+
+struct GBVideoProxyRenderer {
+	struct GBVideoRenderer d;
+	struct GBVideoRenderer* backend;
+	struct mVideoLogger* logger;
+
+	struct GBObj objThisLine[40];
+	size_t oamMax;
+};
+
+void GBVideoProxyRendererCreate(struct GBVideoProxyRenderer* renderer, struct GBVideoRenderer* backend);
+void GBVideoProxyRendererShim(struct GBVideo* video, struct GBVideoProxyRenderer* renderer);
+void GBVideoProxyRendererUnshim(struct GBVideo* video, struct GBVideoProxyRenderer* renderer);
+
+CXX_GUARD_END
+
+#endif

@@ -61,6 +61,7 @@
 	uint8_t (*writeVideoRegister)(struct GBVideoRenderer* renderer, uint16_t address, uint8_t value);
 	void (*writeVRAM)(struct GBVideoRenderer* renderer, uint16_t address);
 	void (*writePalette)(struct GBVideoRenderer* renderer, int index, uint16_t value);
+	void (*writeOAM)(struct GBVideoRenderer* renderer, uint16_t oam);
 	void (*drawRange)(struct GBVideoRenderer* renderer, int startX, int endX, int y, struct GBObj* objOnLine, size_t nObj);
 	void (*finishScanline)(struct GBVideoRenderer* renderer, int y);
 	void (*finishFrame)(struct GBVideoRenderer* renderer);

@@ -12,6 +12,9 @@
 #ifdef M_CORE_GBA
 #include <mgba/gba/core.h>
 #endif
+#ifdef M_CORE_GB
+#include <mgba/gb/core.h>
+#endif
 
 const char mVL_MAGIC[] = "mVL\0";
 
@@ -21,6 +24,9 @@ struct mCore* (*open)(void);
 } _descriptors[] = {
 #ifdef M_CORE_GBA
 	{ PLATFORM_GBA, GBAVideoLogPlayerCreate },
+#endif
+#ifdef M_CORE_GB
+	{ PLATFORM_GB, GBVideoLogPlayerCreate },
 #endif
 	{ PLATFORM_NONE, 0 }
 };

@@ -12,6 +12,7 @@ #include <mgba/internal/gb/gb.h>
 #include <mgba/internal/gb/mbc.h>
 #include <mgba/internal/gb/overrides.h>
 #include <mgba/internal/gb/renderers/software.h>
+#include <mgba/internal/gb/renderers/proxy.h>
 #include <mgba/internal/gb/serialize.h>
 #include <mgba/internal/lr35902/lr35902.h>
 #include <mgba/internal/lr35902/debugger/debugger.h>
@@ -36,6 +37,9 @@
 struct GBCore {
 	struct mCore d;
 	struct GBVideoSoftwareRenderer renderer;
+	struct GBVideoProxyRenderer proxyRenderer;
+	struct mVideoLogContext* logContext;
+	struct mCoreCallbacks logCallbacks;
 	uint8_t keys;
 	struct mCPUComponent* components[CPU_COMPONENT_MAX];
 	const struct Configuration* overrides;
@@ -635,6 +639,42 @@ break;
 	}
 }
 
+static void _GBCoreStartVideoLog(struct mCore* core, struct mVideoLogContext* context) {
+	struct GBCore* gbcore = (struct GBCore*) core;
+	struct GB* gb = core->board;
+	gbcore->logContext = context;
+
+	context->initialStateSize = core->stateSize(core);
+	context->initialState = anonymousMemoryMap(context->initialStateSize);
+	core->saveState(core, context->initialState);
+
+	struct VFile* vf = VFileMemChunk(NULL, 0);
+	context->nChannels = 1;
+	context->channels[0].initialState = NULL;
+	context->channels[0].initialStateSize = 0;
+	context->channels[0].channelData = vf;
+	context->channels[0].type = 0;
+	gbcore->proxyRenderer.logger = malloc(sizeof(struct mVideoLogger));
+	mVideoLoggerRendererCreate(gbcore->proxyRenderer.logger, false);
+
+	gbcore->proxyRenderer.logger->vf = vf;
+	gbcore->proxyRenderer.logger->block = false;
+
+	GBVideoProxyRendererCreate(&gbcore->proxyRenderer, &gbcore->renderer.d);
+	GBVideoProxyRendererShim(&gb->video, &gbcore->proxyRenderer);
+}
+
+static void _GBCoreEndVideoLog(struct mCore* core) {
+	struct GBCore* gbcore = (struct GBCore*) core;
+	struct GB* gb = core->board;
+	GBVideoProxyRendererUnshim(&gb->video, &gbcore->proxyRenderer);
+	free(gbcore->proxyRenderer.logger);
+	gbcore->proxyRenderer.logger = NULL;
+
+	mappedMemoryFree(gbcore->logContext->initialState, gbcore->logContext->initialStateSize);
+	gbcore->logContext->channels[0].channelData->close(gbcore->logContext->channels[0].channelData);
+}
+
 struct mCore* GBCoreCreate(void) {
 	struct GBCore* gbcore = malloc(sizeof(*gbcore));
 	struct mCore* core = &gbcore->d;
@@ -707,5 +747,102 @@ core->listVideoLayers = _GBCoreListVideoLayers;
 	core->listAudioChannels = _GBCoreListAudioChannels;
 	core->enableVideoLayer = _GBCoreEnableVideoLayer;
 	core->enableAudioChannel = _GBCoreEnableAudioChannel;
+	core->startVideoLog = _GBCoreStartVideoLog;
+	core->endVideoLog = _GBCoreEndVideoLog;
 	return core;
 }
+
+#ifndef MINIMAL_CORE
+static void _GBVLPStartFrameCallback(void *context) {
+	struct mCore* core = context;
+	struct GBCore* gbcore = (struct GBCore*) core;
+	struct GB* gb = core->board;
+
+	if (!mVideoLoggerRendererRun(gbcore->proxyRenderer.logger, true)) {
+		GBVideoProxyRendererUnshim(&gb->video, &gbcore->proxyRenderer);
+		gbcore->proxyRenderer.logger->vf->seek(gbcore->proxyRenderer.logger->vf, 0, SEEK_SET);
+		core->loadState(core, gbcore->logContext->initialState);
+		GBVideoProxyRendererShim(&gb->video, &gbcore->proxyRenderer);
+
+		// Make sure CPU loop never spins
+		GBHalt(gb->cpu);
+		gb->memory.ie = 0;
+		gb->memory.ime = false;
+	}
+}
+
+static bool _GBVLPInit(struct mCore* core) {
+	struct GBCore* gbcore = (struct GBCore*) core;
+	if (!_GBCoreInit(core)) {
+		return false;
+	}
+	gbcore->proxyRenderer.logger = malloc(sizeof(struct mVideoLogger));
+	mVideoLoggerRendererCreate(gbcore->proxyRenderer.logger, true);
+	GBVideoProxyRendererCreate(&gbcore->proxyRenderer, NULL);
+	memset(&gbcore->logCallbacks, 0, sizeof(gbcore->logCallbacks));
+	gbcore->logCallbacks.videoFrameStarted = _GBVLPStartFrameCallback;
+	gbcore->logCallbacks.context = core;
+	core->addCoreCallbacks(core, &gbcore->logCallbacks);
+	return true;
+}
+
+static void _GBVLPDeinit(struct mCore* core) {
+	struct GBCore* gbcore = (struct GBCore*) core;
+	if (gbcore->logContext) {
+		mVideoLoggerDestroy(core, gbcore->logContext);
+	}
+	_GBCoreDeinit(core);
+}
+
+static void _GBVLPReset(struct mCore* core) {
+	struct GBCore* gbcore = (struct GBCore*) core;
+	struct GB* gb = (struct GB*) core->board;
+	if (gb->video.renderer == &gbcore->proxyRenderer.d) {
+		GBVideoProxyRendererUnshim(&gb->video, &gbcore->proxyRenderer);
+	} else if (gbcore->renderer.outputBuffer) {
+		struct GBVideoRenderer* renderer = &gbcore->renderer.d;
+		GBVideoAssociateRenderer(&gb->video, renderer);
+	}
+	gbcore->proxyRenderer.logger->vf->seek(gbcore->proxyRenderer.logger->vf, 0, SEEK_SET);
+
+	LR35902Reset(core->cpu);
+	core->loadState(core, gbcore->logContext->initialState);
+	GBVideoProxyRendererShim(&gb->video, &gbcore->proxyRenderer);
+
+	// Make sure CPU loop never spins
+	GBHalt(gb->cpu);
+	gb->memory.ie = 0;
+	gb->memory.ime = false;
+}
+
+static bool _GBVLPLoadROM(struct mCore* core, struct VFile* vf) {
+	struct GBCore* gbcore = (struct GBCore*) core;
+	gbcore->logContext = mVideoLoggerCreate(NULL);
+	if (!mVideoLogContextLoad(vf, gbcore->logContext)) {
+		mVideoLoggerDestroy(core, gbcore->logContext);
+		gbcore->logContext = NULL;
+		return false;
+	}
+	gbcore->proxyRenderer.logger->vf = gbcore->logContext->channels[0].channelData;
+	return true;
+}
+
+static bool _returnTrue(struct VFile* vf) {
+	UNUSED(vf);
+	return true;
+}
+
+struct mCore* GBVideoLogPlayerCreate(void) {
+	struct mCore* core = GBCoreCreate();
+	core->init = _GBVLPInit;
+	core->deinit = _GBVLPDeinit;
+	core->reset = _GBVLPReset;
+	core->loadROM = _GBVLPLoadROM;
+	core->isROM = _returnTrue;
+	return core;
+}
+#else
+struct mCore* GBVideoLogPlayerCreate(void) {
+	return false;
+}
+#endif

@@ -258,6 +258,7 @@ memory->wramBank[address & (GB_SIZE_WORKING_RAM_BANK0 - 1)] = value;
 		} else if (address < GB_BASE_UNUSABLE) {
 			if (gb->video.mode < 2) {
 				gb->video.oam.raw[address & 0xFF] = value;
+				gb->video.renderer->writeOAM(gb->video.renderer, address & 0xFF);
 			}
 		} else if (address < GB_BASE_IO) {
 			mLOG(GB_MEM, GAME_ERROR, "Attempt to write to unusable memory: %04X:%02X", address, value);
@@ -395,6 +396,7 @@ struct GB* gb = context;
 	uint8_t b = GBLoad8(gb->cpu, gb->memory.dmaSource);
 	// TODO: Can DMA write OAM during modes 2-3?
 	gb->video.oam.raw[gb->memory.dmaDest] = b;
+	gb->video.renderer->writeOAM(gb->video.renderer, gb->memory.dmaDest);
 	++gb->memory.dmaSource;
 	++gb->memory.dmaDest;
 	--gb->memory.dmaRemaining;
@@ -559,6 +561,7 @@ memory->wramBank[address & (GB_SIZE_WORKING_RAM_BANK0 - 1)] = value;
 		} else if (address < GB_BASE_UNUSABLE) {
 			oldValue = gb->video.oam.raw[address & 0xFF];
 			gb->video.oam.raw[address & 0xFF] = value;
+			gb->video.renderer->writeOAM(gb->video.renderer, address & 0xFF);
 		} else if (address < GB_BASE_HRAM) {
 			mLOG(GB_MEM, STUB, "Unimplemented memory Patch8: 0x%08X", address);
 			return;

@@ -0,0 +1,258 @@
+/* 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 <mgba/internal/gb/renderers/proxy.h>
+
+#include <mgba/core/tile-cache.h>
+#include <mgba/internal/gb/gb.h>
+#include <mgba/internal/gb/io.h>
+
+#define BUFFER_OAM 1
+
+static void GBVideoProxyRendererInit(struct GBVideoRenderer* renderer, enum GBModel model);
+static void GBVideoProxyRendererDeinit(struct GBVideoRenderer* renderer);
+static uint8_t GBVideoProxyRendererWriteVideoRegister(struct GBVideoRenderer* renderer, uint16_t address, uint8_t value);
+static void GBVideoProxyRendererWriteVRAM(struct GBVideoRenderer* renderer, uint16_t address);
+static void GBVideoProxyRendererWriteOAM(struct GBVideoRenderer* renderer, uint16_t oam);
+static void GBVideoProxyRendererWritePalette(struct GBVideoRenderer* renderer, int address, uint16_t value);
+static void GBVideoProxyRendererDrawRange(struct GBVideoRenderer* renderer, int startX, int endX, int y, struct GBObj* obj, size_t oamMax);
+static void GBVideoProxyRendererFinishScanline(struct GBVideoRenderer* renderer, int y);
+static void GBVideoProxyRendererFinishFrame(struct GBVideoRenderer* renderer);
+static void GBVideoProxyRendererGetPixels(struct GBVideoRenderer* renderer, size_t* stride, const void** pixels);
+static void GBVideoProxyRendererPutPixels(struct GBVideoRenderer* renderer, size_t stride, const void* pixels);
+
+static bool _parsePacket(struct mVideoLogger* logger, const struct mVideoLoggerDirtyInfo* packet);
+static uint16_t* _vramBlock(struct mVideoLogger* logger, uint32_t address);
+
+void GBVideoProxyRendererCreate(struct GBVideoProxyRenderer* renderer, struct GBVideoRenderer* backend) {
+	renderer->d.init = GBVideoProxyRendererInit;
+	renderer->d.deinit = GBVideoProxyRendererDeinit;
+	renderer->d.writeVideoRegister = GBVideoProxyRendererWriteVideoRegister;
+	renderer->d.writeVRAM = GBVideoProxyRendererWriteVRAM;
+	renderer->d.writeOAM = GBVideoProxyRendererWriteOAM;
+	renderer->d.writePalette = GBVideoProxyRendererWritePalette;
+	renderer->d.drawRange = GBVideoProxyRendererDrawRange;
+	renderer->d.finishScanline = GBVideoProxyRendererFinishScanline;
+	renderer->d.finishFrame = GBVideoProxyRendererFinishFrame;
+	renderer->d.getPixels = GBVideoProxyRendererGetPixels;
+	renderer->d.putPixels = GBVideoProxyRendererPutPixels;
+
+	renderer->logger->context = renderer;
+	renderer->logger->parsePacket = _parsePacket;
+	renderer->logger->vramBlock = _vramBlock;
+	renderer->logger->paletteSize = 0;
+	renderer->logger->vramSize = GB_SIZE_VRAM;
+	renderer->logger->oamSize = GB_SIZE_OAM;
+
+	renderer->backend = backend;
+}
+
+static void _init(struct GBVideoProxyRenderer* proxyRenderer) {
+	mVideoLoggerRendererInit(proxyRenderer->logger);
+
+	if (proxyRenderer->logger->block) {
+		proxyRenderer->backend->vram = (uint8_t*) proxyRenderer->logger->vram;
+		proxyRenderer->backend->oam = (union GBOAM*) proxyRenderer->logger->oam;
+		proxyRenderer->backend->cache = NULL;
+	}
+}
+
+static void _reset(struct GBVideoProxyRenderer* proxyRenderer) {
+	memcpy(proxyRenderer->logger->oam, &proxyRenderer->d.oam->raw, GB_SIZE_OAM);
+	memcpy(proxyRenderer->logger->vram, proxyRenderer->d.vram, GB_SIZE_VRAM);
+
+	mVideoLoggerRendererReset(proxyRenderer->logger);
+}
+
+void GBVideoProxyRendererShim(struct GBVideo* video, struct GBVideoProxyRenderer* renderer) {
+	if ((renderer->backend && video->renderer != renderer->backend) || video->renderer == &renderer->d) {
+		return;
+	}
+	renderer->backend = video->renderer;
+	video->renderer = &renderer->d;
+	renderer->d.cache = renderer->backend->cache;
+	renderer->d.vram = video->vram;
+	renderer->d.oam = &video->oam;
+	_init(renderer);
+	_reset(renderer);
+}
+
+void GBVideoProxyRendererUnshim(struct GBVideo* video, struct GBVideoProxyRenderer* renderer) {
+	if (video->renderer != &renderer->d) {
+		return;
+	}
+	renderer->backend->cache = video->renderer->cache;
+	video->renderer = renderer->backend;
+	renderer->backend->vram = video->vram;
+	renderer->backend->oam = &video->oam;
+
+	mVideoLoggerRendererDeinit(renderer->logger);
+}
+
+void GBVideoProxyRendererInit(struct GBVideoRenderer* renderer, enum GBModel model) {
+	struct GBVideoProxyRenderer* proxyRenderer = (struct GBVideoProxyRenderer*) renderer;
+
+	_init(proxyRenderer);
+
+	proxyRenderer->backend->init(proxyRenderer->backend, model);
+}
+
+void GBVideoProxyRendererDeinit(struct GBVideoRenderer* renderer) {
+	struct GBVideoProxyRenderer* proxyRenderer = (struct GBVideoProxyRenderer*) renderer;
+
+	proxyRenderer->backend->deinit(proxyRenderer->backend);
+
+	mVideoLoggerRendererDeinit(proxyRenderer->logger);
+}
+
+static bool _parsePacket(struct mVideoLogger* logger, const struct mVideoLoggerDirtyInfo* item) {
+	struct GBVideoProxyRenderer* proxyRenderer = logger->context;
+	switch (item->type) {
+	case DIRTY_REGISTER:
+		proxyRenderer->backend->writeVideoRegister(proxyRenderer->backend, item->address, item->value);
+		break;
+	case DIRTY_PALETTE:
+		proxyRenderer->backend->writePalette(proxyRenderer->backend, item->address, item->value);
+		break;
+	case DIRTY_OAM:
+		logger->oam[item->address] = item->value;
+		proxyRenderer->backend->writeOAM(proxyRenderer->backend, item->address);
+		break;
+	case DIRTY_VRAM:
+		logger->readData(logger, &logger->vram[item->address >> 1], 0x1000, true);
+		proxyRenderer->backend->writeVRAM(proxyRenderer->backend, item->address);
+		break;
+	case DIRTY_SCANLINE:
+		proxyRenderer->backend->finishScanline(proxyRenderer->backend, item->address);
+		break;
+	case DIRTY_RANGE:
+		proxyRenderer->backend->drawRange(proxyRenderer->backend, item->value, item->value2, item->address, proxyRenderer->objThisLine, proxyRenderer->oamMax);
+		break;
+	case DIRTY_FRAME:
+		proxyRenderer->backend->finishFrame(proxyRenderer->backend);
+		break;
+	case DIRTY_BUFFER:
+		switch (item->address) {
+		case BUFFER_OAM:
+			proxyRenderer->oamMax = item->value2 / sizeof(struct GBObj);
+			if (proxyRenderer->oamMax > 40) {
+				return false;
+			}
+			logger->readData(logger, &proxyRenderer->objThisLine, item->value2, true);
+		}
+		break;
+	case DIRTY_FLUSH:
+		return false;
+	default:
+		return false;
+	}
+	return true;
+}
+
+static uint16_t* _vramBlock(struct mVideoLogger* logger, uint32_t address) {
+	struct GBVideoProxyRenderer* proxyRenderer = logger->context;
+	return (uint16_t*) &proxyRenderer->d.vram[address];
+}
+
+uint8_t GBVideoProxyRendererWriteVideoRegister(struct GBVideoRenderer* renderer, uint16_t address, uint8_t value) {
+	struct GBVideoProxyRenderer* proxyRenderer = (struct GBVideoProxyRenderer*) renderer;
+
+	mVideoLoggerRendererWriteVideoRegister(proxyRenderer->logger, address, value);
+	if (!proxyRenderer->logger->block) {
+		proxyRenderer->backend->writeVideoRegister(proxyRenderer->backend, address, value);
+	}
+	return value;
+}
+
+void GBVideoProxyRendererWriteVRAM(struct GBVideoRenderer* renderer, uint16_t address) {
+	struct GBVideoProxyRenderer* proxyRenderer = (struct GBVideoProxyRenderer*) renderer;
+	mVideoLoggerRendererWriteVRAM(proxyRenderer->logger, address);
+	if (!proxyRenderer->logger->block) {
+		proxyRenderer->backend->writeVRAM(proxyRenderer->backend, address);
+	}
+	if (renderer->cache) {
+		mTileCacheWriteVRAM(renderer->cache, address);
+	}
+}
+
+void GBVideoProxyRendererWritePalette(struct GBVideoRenderer* renderer, int address, uint16_t value) {
+	struct GBVideoProxyRenderer* proxyRenderer = (struct GBVideoProxyRenderer*) renderer;
+	mVideoLoggerRendererWritePalette(proxyRenderer->logger, address, value);
+	if (!proxyRenderer->logger->block) {
+		proxyRenderer->backend->writePalette(proxyRenderer->backend, address, value);
+	}
+	if (renderer->cache) {
+		mTileCacheWritePalette(renderer->cache, address);
+	}
+}
+
+void GBVideoProxyRendererWriteOAM(struct GBVideoRenderer* renderer, uint16_t oam) {
+	struct GBVideoProxyRenderer* proxyRenderer = (struct GBVideoProxyRenderer*) renderer;
+	if (!proxyRenderer->logger->block) {
+		proxyRenderer->backend->writeOAM(proxyRenderer->backend, oam);
+	}
+	mVideoLoggerRendererWriteOAM(proxyRenderer->logger, oam, ((uint8_t*) proxyRenderer->d.oam->raw)[oam]);
+}
+
+void GBVideoProxyRendererDrawRange(struct GBVideoRenderer* renderer, int startX, int endX, int y, struct GBObj* obj, size_t oamMax) {
+	struct GBVideoProxyRenderer* proxyRenderer = (struct GBVideoProxyRenderer*) renderer;
+	if (!proxyRenderer->logger->block) {
+		proxyRenderer->backend->drawRange(proxyRenderer->backend, startX, endX, y, obj, oamMax);
+	}
+	mVideoLoggerWriteBuffer(proxyRenderer->logger, BUFFER_OAM, 0, oamMax * sizeof(*obj), obj);	
+	mVideoLoggerRendererDrawRange(proxyRenderer->logger, startX, endX, y);	
+}
+
+void GBVideoProxyRendererFinishScanline(struct GBVideoRenderer* renderer, int y) {
+	struct GBVideoProxyRenderer* proxyRenderer = (struct GBVideoProxyRenderer*) renderer;
+	if (!proxyRenderer->logger->block) {
+		proxyRenderer->backend->finishScanline(proxyRenderer->backend, y);
+	}
+	mVideoLoggerRendererDrawScanline(proxyRenderer->logger, y);
+	if (proxyRenderer->logger->block && proxyRenderer->logger->wake) {
+		proxyRenderer->logger->wake(proxyRenderer->logger, y);
+	}
+}
+
+void GBVideoProxyRendererFinishFrame(struct GBVideoRenderer* renderer) {
+	struct GBVideoProxyRenderer* proxyRenderer = (struct GBVideoProxyRenderer*) renderer;
+	if (proxyRenderer->logger->block && proxyRenderer->logger->wait) {
+		proxyRenderer->logger->lock(proxyRenderer->logger);
+		proxyRenderer->logger->wait(proxyRenderer->logger);
+	}
+	mVideoLoggerRendererFinishFrame(proxyRenderer->logger);
+	mVideoLoggerRendererFlush(proxyRenderer->logger);
+	if (proxyRenderer->logger->block && proxyRenderer->logger->wait) {
+		proxyRenderer->logger->unlock(proxyRenderer->logger);
+	}
+}
+
+static void GBVideoProxyRendererGetPixels(struct GBVideoRenderer* renderer, size_t* stride, const void** pixels) {
+	struct GBVideoProxyRenderer* proxyRenderer = (struct GBVideoProxyRenderer*) renderer;
+	if (proxyRenderer->logger->block && proxyRenderer->logger->wait) {
+		proxyRenderer->logger->lock(proxyRenderer->logger);
+		// Insert an extra item into the queue to make sure it gets flushed
+		mVideoLoggerRendererFlush(proxyRenderer->logger);
+		proxyRenderer->logger->wait(proxyRenderer->logger);
+	}
+	proxyRenderer->backend->getPixels(proxyRenderer->backend, stride, pixels);
+	if (proxyRenderer->logger->block && proxyRenderer->logger->wait) {
+		proxyRenderer->logger->unlock(proxyRenderer->logger);
+	}
+}
+
+static void GBVideoProxyRendererPutPixels(struct GBVideoRenderer* renderer, size_t stride, const void* pixels) {
+	struct GBVideoProxyRenderer* proxyRenderer = (struct GBVideoProxyRenderer*) renderer;
+	if (proxyRenderer->logger->block && proxyRenderer->logger->wait) {
+		proxyRenderer->logger->lock(proxyRenderer->logger);
+		// Insert an extra item into the queue to make sure it gets flushed
+		mVideoLoggerRendererFlush(proxyRenderer->logger);
+		proxyRenderer->logger->wait(proxyRenderer->logger);
+	}
+	proxyRenderer->backend->putPixels(proxyRenderer->backend, stride, pixels);
+	if (proxyRenderer->logger->block && proxyRenderer->logger->wait) {
+		proxyRenderer->logger->unlock(proxyRenderer->logger);
+	}
+}

@@ -14,6 +14,7 @@ static void GBVideoSoftwareRendererDeinit(struct GBVideoRenderer* renderer);
 static uint8_t GBVideoSoftwareRendererWriteVideoRegister(struct GBVideoRenderer* renderer, uint16_t address, uint8_t value);
 static void GBVideoSoftwareRendererWritePalette(struct GBVideoRenderer* renderer, int index, uint16_t value);
 static void GBVideoSoftwareRendererWriteVRAM(struct GBVideoRenderer* renderer, uint16_t address);
+static void GBVideoSoftwareRendererWriteOAM(struct GBVideoRenderer* renderer, uint16_t oam);
 static void GBVideoSoftwareRendererDrawRange(struct GBVideoRenderer* renderer, int startX, int endX, int y, struct GBObj* obj, size_t oamMax);
 static void GBVideoSoftwareRendererFinishScanline(struct GBVideoRenderer* renderer, int y);
 static void GBVideoSoftwareRendererFinishFrame(struct GBVideoRenderer* renderer);
@@ -43,6 +44,7 @@ renderer->d.deinit = GBVideoSoftwareRendererDeinit;
 	renderer->d.writeVideoRegister = GBVideoSoftwareRendererWriteVideoRegister;
 	renderer->d.writePalette = GBVideoSoftwareRendererWritePalette;
 	renderer->d.writeVRAM = GBVideoSoftwareRendererWriteVRAM;
+	renderer->d.writeOAM = GBVideoSoftwareRendererWriteOAM;
 	renderer->d.drawRange = GBVideoSoftwareRendererDrawRange;
 	renderer->d.finishScanline = GBVideoSoftwareRendererFinishScanline;
 	renderer->d.finishFrame = GBVideoSoftwareRendererFinishFrame;
@@ -124,6 +126,12 @@ static void GBVideoSoftwareRendererWriteVRAM(struct GBVideoRenderer* renderer, uint16_t address) {
 	if (renderer->cache) {
 		mTileCacheWriteVRAM(renderer->cache, address);
 	}
+}
+
+static void GBVideoSoftwareRendererWriteOAM(struct GBVideoRenderer* renderer, uint16_t oam) {
+	UNUSED(renderer);
+	UNUSED(oam);
+	// Nothing to do
 }
 
 static void GBVideoSoftwareRendererDrawRange(struct GBVideoRenderer* renderer, int startX, int endX, int y, struct GBObj* obj, size_t oamMax) {

@@ -20,6 +20,7 @@ static void GBVideoDummyRendererDeinit(struct GBVideoRenderer* renderer);
 static uint8_t GBVideoDummyRendererWriteVideoRegister(struct GBVideoRenderer* renderer, uint16_t address, uint8_t value);
 static void GBVideoDummyRendererWritePalette(struct GBVideoRenderer* renderer, int index, uint16_t value);
 static void GBVideoDummyRendererWriteVRAM(struct GBVideoRenderer* renderer, uint16_t address);
+static void GBVideoDummyRendererWriteOAM(struct GBVideoRenderer* renderer, uint16_t oam);
 static void GBVideoDummyRendererDrawRange(struct GBVideoRenderer* renderer, int startX, int endX, int y, struct GBObj* obj, size_t oamMax);
 static void GBVideoDummyRendererFinishScanline(struct GBVideoRenderer* renderer, int y);
 static void GBVideoDummyRendererFinishFrame(struct GBVideoRenderer* renderer);
@@ -39,6 +40,7 @@ .init = GBVideoDummyRendererInit,
 	.deinit = GBVideoDummyRendererDeinit,
 	.writeVideoRegister = GBVideoDummyRendererWriteVideoRegister,
 	.writeVRAM = GBVideoDummyRendererWriteVRAM,
+	.writeOAM = GBVideoDummyRendererWriteOAM,
 	.writePalette = GBVideoDummyRendererWritePalette,
 	.drawRange = GBVideoDummyRendererDrawRange,
 	.finishScanline = GBVideoDummyRendererFinishScanline,
@@ -467,6 +469,12 @@ static void GBVideoDummyRendererWriteVRAM(struct GBVideoRenderer* renderer, uint16_t address) {
 	if (renderer->cache) {
 		mTileCacheWriteVRAM(renderer->cache, address);
 	}
+}
+
+static void GBVideoDummyRendererWriteOAM(struct GBVideoRenderer* renderer, uint16_t oam) {
+	UNUSED(renderer);
+	UNUSED(oam);
+	// Nothing to do
 }
 
 static void GBVideoDummyRendererWritePalette(struct GBVideoRenderer* renderer, int index, uint16_t value) {