X-Git-Url: http://git.mutantstargoat.com/user/nuclear/?a=blobdiff_plain;f=src%2Futil.h;h=264367be94a4082ad3f544e99e01f025334f8175;hb=77eea907b4ba007632e37588b6cd7eb66c9eab07;hp=6902d64c2f13f873b6eb69e5a8b00d0f2012606a;hpb=97f8eca559ee318131a11436b12f06b61b8629ad;p=gbajam22

diff --git a/src/util.h b/src/util.h
index 6902d64..264367b 100644
--- a/src/util.h
+++ b/src/util.h
@@ -6,7 +6,9 @@
 #include "gba.h"
 
 #define RGB555(r, g, b)	\
-	(((r) >> 3) | (((g) << 2) & 0x3e0) | (((b) << 7) & 0x7c00))
+	((((uint16_t)(r) >> 3) & 0x1f) | \
+	 (((uint16_t)(g) << 2) & 0x3e0) | \
+	 (((uint16_t)(b) << 7) & 0x7c00))
 
 #ifdef BUILD_GBA