initial commit

1 files changed, 62 insertions, 0 deletions

diff --git a/include/gba/defines.h b/include/gba/defines.h
new file mode 100644
index 0000000..7fd429d
--- /dev/null
+++ b/include/gba/defines.h
@@ -0,0 +1,62 @@
+#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 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_ADDR(n)   (void *)(BG_VRAM + (0x4000 * (n)))
+#define BG_SCREEN_ADDR(n) (void *)(BG_VRAM + (0x800 * (n)))
+#define BG_TILE_ADDR(n)    (void *)(BG_VRAM + (0x80 * (n)))
+
+// text-mode BG
+#define OBJ_VRAM0      (void *)(VRAM + 0x10000)
+#define OBJ_VRAM0_SIZE 0x8000
+
+// bitmap-mode BG
+#define OBJ_VRAM1      (void *)(VRAM + 0x14000)
+#define OBJ_VRAM1_SIZE 0x4000
+
+#define OAM      0x7000000
+#define OAM_SIZE 0x400
+
+#define DISPLAY_WIDTH  240
+#define DISPLAY_HEIGHT 160
+
+#define TILE_SIZE_4BPP 32
+#define TILE_SIZE_8BPP 64
+
+#define TOTAL_OBJ_TILE_COUNT 1024
+
+#define RGB(r, g, b) ((r) | ((g) << 5) | ((b) << 10))
+
+#define RGB_BLACK RGB(0, 0, 0)
+#define RGB_WHITE RGB(31, 31, 31)
+
+#define WIN_RANGE(a, b) (((a) << 8) | (b))
+
+#endif // GUARD_GBA_DEFINES