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authorDizzyEggg <jajkodizzy@wp.pl>2017-10-13 12:25:32 +0200
committerDizzyEggg <jajkodizzy@wp.pl>2017-10-13 12:25:32 +0200
commit0f44747788b774021519d600cb612c8c3303aa7d (patch)
tree2d85f2c104721543d81bbbf0c2f391871abaf0d5 /include
parentb229a1c295f9c4a722959ec564a1cb86d1a9eaef (diff)
review changes
Diffstat (limited to 'include')
-rw-r--r--include/bg.h10
1 files changed, 10 insertions, 0 deletions
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,