--- np2/io/gdc_sub.c	2004/02/21 00:25:33	1.17
+++ np2/io/gdc_sub.c	2004/06/28 12:31:32	1.19
@@ -14,6 +14,8 @@ enum {
 	RT_TABLEMAX		= (1 << RT_TABLEBIT)
 };
 
+static	UINT16	gdc_rt[RT_TABLEMAX+1];
+
 typedef struct {
 	SINT16	x;
 	SINT16	y;
@@ -23,8 +25,6 @@ typedef struct {
 
 const UINT32 gdcplaneseg[4] = {VRAM_E, VRAM_B, VRAM_R, VRAM_G};
 
-static	UINT16	gdc_rt[RT_TABLEMAX+1];
-
 static const VECTDIR vectdir[16] = {
 					{ 0, 1, 1, 0}, { 1, 1, 1,-1},
 					{ 1, 0, 0,-1}, { 1,-1,-1,-1},
@@ -179,7 +179,7 @@ void gdcsub_setvectl(GDCVECT *vect, int 
 			}
 		}
 	}
-	if (ope & 1) {
+	if (!((ope + 1) & 2)) {
 		tmp = dx;
 		dx = dy;
 		dy = tmp;