From 0f44747788b774021519d600cb612c8c3303aa7d Mon Sep 17 00:00:00 2001
From: DizzyEggg <jajkodizzy@wp.pl>
Date: Fri, 13 Oct 2017 12:25:32 +0200
Subject: review changes

---
 include/bg.h | 10 ++++++++++
 1 file changed, 10 insertions(+)

(limited to 'include/bg.h')

diff --git a/include/bg.h b/include/bg.h
index 0dcb84a34..0c6b4ac26 100644
--- a/include/bg.h
+++ b/include/bg.h
@@ -1,6 +1,16 @@
 #ifndef GUARD_BG_H
 #define GUARD_BG_H
 
+struct BGCntrlBitfield // for the I/O registers
+{
+    volatile u16 priority:2;
+    volatile u16 charBaseBlock:2;
+    volatile u16 field_0_2:4;
+    volatile u16 field_1_0:5;
+    volatile u16 areaOverflowMode:1;
+    volatile u16 screenSize:2;
+};
+
 enum
 {
     BG_CTRL_ATTR_VISIBLE = 1,
-- 
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