M include/mgba/internal/gb/video.h → include/mgba/internal/gb/video.h

@@ -139,6 +139,8 @@ void GBVideoWriteLYC(struct GBVideo* video, uint8_t value);
 void GBVideoWritePalette(struct GBVideo* video, uint16_t address, uint8_t value);
 void GBVideoSwitchBank(struct GBVideo* video, uint8_t value);
 
+void GBVideoSetPalette(struct GBVideo* video, unsigned index, uint16_t color);
+
 struct GBSerializedState;
 void GBVideoSerialize(const struct GBVideo* video, struct GBSerializedState* state);
 void GBVideoDeserialize(struct GBVideo* video, const struct GBSerializedState* state);

M src/gb/core.c → src/gb/core.c

@@ -105,6 +105,21 @@ } else {
 		gb->audio.masterVolume = core->opts.volume;
 	}
 	gb->video.frameskip = core->opts.frameskip;
+
+	int color;
+	if (mCoreConfigGetIntValue(&core->config, "gb.pal[0]", &color)) {
+			GBVideoSetPalette(&gb->video, 0, color);
+	}
+	if (mCoreConfigGetIntValue(&core->config, "gb.pal[1]", &color)) {
+			GBVideoSetPalette(&gb->video, 1, color);
+	}
+	if (mCoreConfigGetIntValue(&core->config, "gb.pal[2]", &color)) {
+			GBVideoSetPalette(&gb->video, 2, color);
+	}
+	if (mCoreConfigGetIntValue(&core->config, "gb.pal[3]", &color)) {
+			GBVideoSetPalette(&gb->video, 3, color);
+	}
+
 	mCoreConfigCopyValue(&core->config, config, "gb.bios");
 	mCoreConfigCopyValue(&core->config, config, "gbc.bios");
 

M src/gb/video.c → src/gb/video.c

@@ -439,6 +439,13 @@ video->vramBank = &video->vram[value * GB_SIZE_VRAM_BANK0];
 	video->vramCurrentBank = value;
 }
 
+void GBVideoSetPalette(struct GBVideo* video, unsigned index, uint16_t color) {
+	if (index >= 4) {
+		return;
+	}
+	video->dmgPalette[index] = color;
+}
+
 static void GBVideoDummyRendererInit(struct GBVideoRenderer* renderer, enum GBModel model) {
 	UNUSED(renderer);
 	UNUSED(model);