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-rw-r--r--include/gba/defines.h8
1 files changed, 5 insertions, 3 deletions
diff --git a/include/gba/defines.h b/include/gba/defines.h
index 2df9a3feb..ad06aaad2 100644
--- a/include/gba/defines.h
+++ b/include/gba/defines.h
@@ -1,5 +1,5 @@
-#ifndef GUARD_GBA_DEFINES
-#define GUARD_GBA_DEFINES
+#ifndef GUARD_GBA_DEFINES_H
+#define GUARD_GBA_DEFINES_H
#include <stddef.h>
@@ -50,6 +50,8 @@
#define BG_TILE_H_FLIP(n) (0x400 + (n))
#define BG_TILE_V_FLIP(n) (0x800 + (n))
+#define NUM_BACKGROUNDS 4
+
// text-mode BG
#define OBJ_VRAM0 (VRAM + 0x10000)
#define OBJ_VRAM0_SIZE 0x8000
@@ -74,4 +76,4 @@
#define TOTAL_OBJ_TILE_COUNT 1024
-#endif // GUARD_GBA_DEFINES
+#endif // GUARD_GBA_DEFINES_H