X-Git-Url: http://git.mutantstargoat.com/user/nuclear/?p=dosdemo;a=blobdiff_plain;f=src%2Fgfxutil.h;h=c0a1fdedcf265ddc945d2940d1befa4c723d434a;hp=15f8b66f0eaae178720df09dd7e44cdc77ac8961;hb=e61875cfadc6ac33302d69474209fd215b9f6842;hpb=a563d2f0efaa980af0f0b39cdf1c9115fed99d00

diff --git a/src/gfxutil.h b/src/gfxutil.h
index 15f8b66..c0a1fde 100644
--- a/src/gfxutil.h
+++ b/src/gfxutil.h
@@ -4,7 +4,9 @@
 #include "inttypes.h"
 
 #define PACK_RGB16(r, g, b) \
-	(((r) << 8) & 0xf800) | (((g) << 3) & 0x7e0) | (((b) >> 3) & 0x1f)
+	((((uint16_t)(r) << 8) & 0xf800) | \
+	 (((uint16_t)(g) << 3) & 0x7e0) | \
+	 (((uint16_t)(b) >> 3) & 0x1f))
 
 #define UNPACK_R16(c)	(((c) >> 8) & 0xf8)
 #define UNPACK_G16(c)	(((c) >> 3) & 0xfc)