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-rwxr-xr-xinclude/gba/defines.h71
1 files changed, 71 insertions, 0 deletions
diff --git a/include/gba/defines.h b/include/gba/defines.h
new file mode 100755
index 0000000..16f1315
--- /dev/null
+++ b/include/gba/defines.h
@@ -0,0 +1,71 @@
+#ifndef GUARD_GBA_DEFINES
+#define GUARD_GBA_DEFINES
+
+#include <stddef.h>
+
+#define TRUE 1
+#define FALSE 0
+
+#define IWRAM_DATA __attribute__((section("iwram_data")))
+#define EWRAM_DATA __attribute__((section("ewram_data")))
+
+#define ALIGNED(n) __attribute__((aligned(n)))
+
+#define SOUND_INFO_PTR (*(struct SoundInfo **)0x3007FF0)
+#define INTR_CHECK (*(u16 *)0x3007FF8)
+#define INTR_VECTOR (*(void **)0x3007FFC)
+
+#define EWRAM_START 0x02000000
+#define EWRAM_END (EWRAM_START + 0x40000)
+#define IWRAM_START 0x03000000
+#define IWRAM_END (IWRAM_START + 0x8000)
+
+#define PLTT 0x5000000
+#define PLTT_SIZE 0x400
+
+#define BG_PLTT PLTT
+#define BG_PLTT_SIZE 0x200
+
+#define OBJ_PLTT (PLTT + 0x200)
+#define OBJ_PLTT_SIZE 0x200
+
+#define VRAM 0x6000000
+#define VRAM_SIZE 0x18000
+
+#define BG_VRAM VRAM
+#define BG_VRAM_SIZE 0x10000
+#define BG_CHAR_SIZE 0x4000
+#define BG_SCREEN_SIZE 0x800
+#define BG_CHAR_ADDR(n) (BG_VRAM + (BG_CHAR_SIZE * (n)))
+#define BG_SCREEN_ADDR(n) (BG_VRAM + (BG_SCREEN_SIZE * (n)))
+
+#define BG_TILE_H_FLIP(n) (0x400 + (n))
+#define BG_TILE_V_FLIP(n) (0x800 + (n))
+
+// text-mode BG
+#define OBJ_VRAM0 (VRAM + 0x10000)
+#define OBJ_VRAM0_SIZE 0x8000
+
+// bitmap-mode BG
+#define OBJ_VRAM1 (VRAM + 0x14000)
+#define OBJ_VRAM1_SIZE 0x4000
+
+#define OAM 0x7000000
+#define OAM_SIZE 0x400
+
+#define ROM_HEADER_SIZE 0xC0
+
+#define DISPLAY_WIDTH 240
+#define DISPLAY_HEIGHT 160
+
+#define TILE_SIZE_4BPP 32
+#define TILE_SIZE_8BPP 64
+
+#define TILE_OFFSET_4BPP(n) ((n) * TILE_SIZE_4BPP)
+#define TILE_OFFSET_8BPP(n) ((n) * TILE_SIZE_8BPP)
+
+#define TOTAL_OBJ_TILE_COUNT 1024
+
+#define WIN_RANGE(a, b) (((a) << 8) | (b))
+
+#endif // GUARD_GBA_DEFINES