M src/gba/gba-video.h → src/gba/gba-video.h

@@ -1,6 +1,8 @@
 #ifndef GBA_VIDEO_H
 #define GBA_VIDEO_H
 
+#include "gba-memory.h"
+
 #include <stdint.h>
 
 enum {
@@ -21,6 +23,71 @@
 	REG_DISPSTAT_MASK = 0xFF38
 };
 
+enum ObjMode {
+	OBJ_MODE_NORMAL = 0,
+	OBJ_MODE_SEMITRANSPARENT = 1,
+	OBJ_MODE_OBJWIN = 2
+};
+
+enum ObjShape {
+	OBJ_SHAPE_SQUARE = 0,
+	OBJ_SHAPE_HORIZONTAL = 1,
+	OBJ_SHAPE_VERTICAL = 2
+};
+
+union GBAOAM {
+	struct {
+		int y : 8;
+		unsigned transformed : 1;
+		union {
+			unsigned doublesize : 1;
+			unsigned disable : 1;
+		};
+		enum ObjMode mode : 2;
+		unsigned mosaic : 1;
+		unsigned multipalette : 1;
+		enum ObjShape shape : 2;
+
+		int x : 9;
+		union {
+			unsigned matIndex : 5;
+			struct {
+				int : 3;
+				unsigned hflip : 1;
+				unsigned vflip : 1;
+			};
+		};
+		unsigned size : 2;
+
+		unsigned tile : 10;
+		unsigned priority : 2;
+		unsigned palette : 4;
+
+		int : 16;
+	} obj[128];
+
+	struct {
+		int : 16;
+		int : 16;
+		int : 16;
+		int a : 16;
+		int : 16;
+		int : 16;
+		int : 16;
+		int b : 16;
+		int : 16;
+		int : 16;
+		int : 16;
+		int c : 16;
+		int : 16;
+		int : 16;
+		int : 16;
+		int d : 16;
+	} mat[32];
+
+	uint16_t raw[512];
+};
+
 struct GBAVideoRenderer {
 	void (*init)(struct GBAVideoRenderer* renderer);
 	void (*deinit)(struct GBAVideoRenderer* renderer);
@@ -28,6 +95,10 @@
 	uint16_t (*writeVideoRegister)(struct GBAVideoRenderer* renderer, uint32_t address, uint16_t value);
 	void (*drawScanline)(struct GBAVideoRenderer* renderer, int y);
 	void (*finishFrame)(struct GBAVideoRenderer* renderer);
+
+	uint16_t palette[SIZE_PALETTE_RAM >> 1];
+	uint16_t vram[SIZE_VRAM >> 1];
+	union GBAOAM oam;
 };
 
 struct GBAVideo {