1 files changed, 11 insertions, 0 deletions
diff --git a/include/gba/types.h b/include/gba/types.h
index 480619d21..33ae7df9a 100644
--- a/include/gba/types.h
+++ b/include/gba/types.h
@@ -28,6 +28,17 @@ typedef u8  bool8;
 typedef u16 bool16;
 typedef u32 bool32;
 
+struct BgCnt
+{
+    u16 priority:2;
+    u16 charBaseBlock:2;
+    u16 dummy:4;
+    u16 screenBaseBlock:5;
+    u16 areaOverflowMode:1;
+    u16 screenSize:2;
+};
+typedef volatile struct BgCnt vBgCnt;
+
 struct PlttData
 {
     u16 r:5; // red