diff --git a/include/mgba/core/core.h b/include/mgba/core/core.h
index 9cad7a3e8..bca92b1ff 100644
--- a/include/mgba/core/core.h
+++ b/include/mgba/core/core.h
@@ -68,6 +68,7 @@ struct mCore {
 
 	void (*setSync)(struct mCore*, struct mCoreSync*);
 	void (*loadConfig)(struct mCore*, const struct mCoreConfig*);
+	void (*reloadConfigOption)(struct mCore*, const char* option, const struct mCoreConfig*);
 
 	void (*desiredVideoDimensions)(struct mCore*, unsigned* width, unsigned* height);
 	void (*setVideoBuffer)(struct mCore*, color_t* buffer, size_t stride);
diff --git a/src/gb/core.c b/src/gb/core.c
index 87eedfd40..655449eaf 100644
--- a/src/gb/core.c
+++ b/src/gb/core.c
@@ -224,6 +224,59 @@ static void _GBCoreLoadConfig(struct mCore* core, const struct mCoreConfig* conf
 #endif
 }
 
+static void _GBCoreReloadConfigOption(struct mCore* core, const char* option, const struct mCoreConfig* config) {
+	struct GB* gb = core->board;
+	if (!config) {
+		config = &core->config;
+	}
+
+	if (!option) {
+		// Reload options from opts
+		if (core->opts.mute) {
+			gb->audio.masterVolume = 0;
+		} else {
+			gb->audio.masterVolume = core->opts.volume;
+		}
+		gb->video.frameskip = core->opts.frameskip;
+		return;
+	}
+
+	int fakeBool;
+	if (strcmp("mute", option) == 0) {
+		if (mCoreConfigGetIntValue(config, "mute", &fakeBool)) {
+			core->opts.mute = fakeBool;
+
+			if (core->opts.mute) {
+				gb->audio.masterVolume = 0;
+			} else {
+				gb->audio.masterVolume = core->opts.volume;
+			}
+		}
+		return;
+	}
+	if (strcmp("volume", option) == 0) {
+		if (mCoreConfigGetIntValue(config, "volume", &core->opts.volume) && !core->opts.mute) {
+			gb->audio.masterVolume = core->opts.volume;
+		}
+		return;
+	}
+	if (strcmp("frameskip", option) == 0) {
+		if (mCoreConfigGetIntValue(config, "frameskip", &core->opts.frameskip)) {
+			gb->video.frameskip = core->opts.frameskip;
+		}
+		return;
+	}
+	if (strcmp("allowOpposingDirections", option) == 0) {
+		if (config != &core->config) {
+			mCoreConfigCopyValue(&core->config, config, "allowOpposingDirections");
+		}
+		if (mCoreConfigGetIntValue(config, "allowOpposingDirections", &fakeBool)) {
+			gb->allowOpposingDirections = fakeBool;
+		}
+		return;
+	}
+}
+
 static void _GBCoreDesiredVideoDimensions(struct mCore* core, unsigned* width, unsigned* height) {
 	struct GB* gb = core->board;
 	if (gb && (!(gb->model & GB_MODEL_SGB) || !gb->video.sgbBorders)) {
@@ -901,6 +954,7 @@ struct mCore* GBCoreCreate(void) {
 	core->supportsFeature = _GBCoreSupportsFeature;
 	core->setSync = _GBCoreSetSync;
 	core->loadConfig = _GBCoreLoadConfig;
+	core->reloadConfigOption = _GBCoreReloadConfigOption;
 	core->desiredVideoDimensions = _GBCoreDesiredVideoDimensions;
 	core->setVideoBuffer = _GBCoreSetVideoBuffer;
 	core->setVideoGLTex = _GBCoreSetVideoGLTex;
diff --git a/src/gba/core.c b/src/gba/core.c
index 20c08779e..c6cadd233 100644
--- a/src/gba/core.c
+++ b/src/gba/core.c
@@ -296,6 +296,59 @@ static void _GBACoreLoadConfig(struct mCore* core, const struct mCoreConfig* con
 	mCoreConfigCopyValue(&core->config, config, "videoScale");
 }
 
+static void _GBACoreReloadConfigOption(struct mCore* core, const char* option, const struct mCoreConfig* config) {
+	struct GBA* gba = core->board;
+	if (!config) {
+		config = &core->config;
+	}
+
+	if (!option) {
+		// Reload options from opts
+		if (core->opts.mute) {
+			gba->audio.masterVolume = 0;
+		} else {
+			gba->audio.masterVolume = core->opts.volume;
+		}
+		gba->video.frameskip = core->opts.frameskip;
+		return;
+	}
+
+	int fakeBool;
+	if (strcmp("mute", option) == 0) {
+		if (mCoreConfigGetIntValue(config, "mute", &fakeBool)) {
+			core->opts.mute = fakeBool;
+
+			if (core->opts.mute) {
+				gba->audio.masterVolume = 0;
+			} else {
+				gba->audio.masterVolume = core->opts.volume;
+			}
+		}
+		return;
+	}
+	if (strcmp("volume", option) == 0) {
+		if (mCoreConfigGetIntValue(config, "volume", &core->opts.volume) && !core->opts.mute) {
+			gba->audio.masterVolume = core->opts.volume;
+		}
+		return;
+	}
+	if (strcmp("frameskip", option) == 0) {
+		if (mCoreConfigGetIntValue(config, "frameskip", &core->opts.frameskip)) {
+			gba->video.frameskip = core->opts.frameskip;
+		}
+		return;
+	}
+	if (strcmp("allowOpposingDirections", option) == 0) {
+		if (config != &core->config) {
+			mCoreConfigCopyValue(&core->config, config, "allowOpposingDirections");
+		}
+		if (mCoreConfigGetIntValue(config, "allowOpposingDirections", &fakeBool)) {
+			gba->allowOpposingDirections = fakeBool;
+		}
+		return;
+	}
+}
+
 static void _GBACoreDesiredVideoDimensions(struct mCore* core, unsigned* width, unsigned* height) {
 #if defined(BUILD_GLES2) || defined(BUILD_GLES3)
 	struct GBACore* gbacore = (struct GBACore*) core;
@@ -1021,6 +1074,7 @@ struct mCore* GBACoreCreate(void) {
 	core->supportsFeature = _GBACoreSupportsFeature;
 	core->setSync = _GBACoreSetSync;
 	core->loadConfig = _GBACoreLoadConfig;
+	core->reloadConfigOption = _GBACoreReloadConfigOption;
 	core->desiredVideoDimensions = _GBACoreDesiredVideoDimensions;
 	core->setVideoBuffer = _GBACoreSetVideoBuffer;
 	core->setVideoGLTex = _GBACoreSetVideoGLTex;
diff --git a/src/platform/qt/CoreController.cpp b/src/platform/qt/CoreController.cpp
index fecc36ccc..f0e29584d 100644
--- a/src/platform/qt/CoreController.cpp
+++ b/src/platform/qt/CoreController.cpp
@@ -922,33 +922,8 @@ void CoreController::updateFastForward() {
 		m_threadContext.impl->sync.fpsTarget = m_fpsTarget;
 		setSync(true);
 	}
-	// XXX: Have a way of just updating volume
-	switch (platform()) {
-#ifdef M_CORE_GBA
-	case PLATFORM_GBA: {
-		GBA* gba = static_cast<GBA*>(m_threadContext.core->board);
-		if (m_threadContext.core->opts.mute) {
-			gba->audio.masterVolume = 0;
-		} else {
-			gba->audio.masterVolume = m_threadContext.core->opts.volume;
-		}
-		break;
-	}
-#endif
-#ifdef M_CORE_GB
-	case PLATFORM_GB: {
-		GB* gb = static_cast<GB*>(m_threadContext.core->board);
-		if (m_threadContext.core->opts.mute) {
-			gb->audio.masterVolume = 0;
-		} else {
-			gb->audio.masterVolume = m_threadContext.core->opts.volume;
-		}
-		break;
-	}
-#endif
-	default:
-		break;
-	}
+
+	m_threadContext.core->reloadConfigOption(m_threadContext.core, NULL, NULL);
 }
 
 CoreController::Interrupter::Interrupter(CoreController* parent, bool fromThread)