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-rw-r--r--include/gba/io_reg.h1
1 files changed, 1 insertions, 0 deletions
diff --git a/include/gba/io_reg.h b/include/gba/io_reg.h
index 2eefb2482..6d54bc5fb 100644
--- a/include/gba/io_reg.h
+++ b/include/gba/io_reg.h
@@ -596,6 +596,7 @@
// BLDALPHA
#define BLDALPHA_BLEND(target1, target2) (((target2) << 8) | (target1))
+#define BLDALPHA_BLEND2(target1, target2) ((target1) | ((target2) << 8))
// SOUNDCNT_H
#define SOUND_CGB_MIX_QUARTER 0x0000