M CHANGES → CHANGES

@@ -4,6 +4,7 @@ - DS Video: Fix VRAM mirroring in the renderer (fixes mgba.io/i/561)
  - DS Video: Fix extended modes 1.x screen base range (fixes mgba.io/i/568)
  - DS GX: Fix T-repeat textures (fixes mgba.io/i/577)
  - DS Video: Capture with alpha bit set
+ - DS Video: Bitmap sprites use alpha bit for transparent
 Misc:
  - DS: Set boot complete bit in RAM on boot (fixes mgba.io/i/576, mgba.io/i/580, mgba.io/i/586)
 

M src/gba/renderers/software-obj.c → src/gba/renderers/software-obj.c

@@ -197,7 +197,7 @@ } \
 	LOAD_16(tileData, spriteBase & VRAM_BLOCK_MASK, vramBase); \
 	current = renderer->spriteLayer[outX]; \
 	if ((current & FLAG_ORDER_MASK) > flags) { \
-		if (tileData) { \
+		if (tileData & 0x8000) { \
 			uint32_t color; \
 			TILE_TO_COLOR(tileData); \
 			renderer->spriteLayer[outX] = color | flags; \
@@ -215,7 +215,7 @@ if (UNLIKELY(!vramBase)) { \
 		return 0; \
 	} \
 	LOAD_16(tileData, spriteBase & VRAM_BLOCK_MASK, vramBase); \
-	if (tileData) { \
+	if (tileData & 0x8000) { \
 		renderer->row[outX] |= FLAG_OBJWIN; \
 	}