--- np2/i286x/memory.h	2003/10/16 17:57:31	1.1
+++ np2/i286x/memory.h	2003/10/21 11:22:05	1.2
@@ -30,7 +30,7 @@ enum {
 	ITF_ADRS	= 0x1f8000
 };
 
-#define	VRAM_POS(a)	(a & (VRAM_STEP | 0x7fff))
+#define	VRAM_POS(a)	((a) & (VRAM_STEP | 0x7fff))
 
 
 #ifdef __cplusplus