X-Git-Url: http://git.mutantstargoat.com/user/nuclear/?a=blobdiff_plain;f=src%2Frbench.c;h=8b9e23ffd7da2817c8a669465a9587909e46f905;hb=3ac76817d27b4ffc90f04a97c8714afb165eebc2;hp=7202c1a5f75def329180430115e5053feae2aad8;hpb=7bebf23b6be952edf8ef13e4802f87004792116a;p=retrobench

diff --git a/src/rbench.c b/src/rbench.c
index 7202c1a..8b9e23f 100644
--- a/src/rbench.c
+++ b/src/rbench.c
@@ -33,7 +33,7 @@ void cleanup(void)
 
 #define XORRGB(x, y, zoom, r, g, b) \
 	do { \
-		int xor = (((x) - fb_width/2) * (zoom) >> 10) ^ (((y) - fb_height/2) * (zoom) >> 10); \
+		int xor = (((x) - fb_width/2) * (zoom) >> 16) ^ (((y) - fb_height/2) * (zoom) >> 16); \
 		(r) = xor >> 2; \
 		(g) = xor >> 1; \
 		(b) = xor; \
@@ -46,9 +46,9 @@ void redraw(void)
 	uint16_t *fbptr16;
 	uint32_t *fbptr32;
 
-	xoffs = COS(time_msec >> 5) * fb_width >> 7;
-	yoffs = SIN(time_msec >> 4) * fb_height >> 8;
-	zoom = ((SIN(time_msec >> 4) + 256) << 1) + 512;
+	xoffs = COS(time_msec >> 3) * fb_width >> 15;
+	yoffs = SIN(time_msec >> 2) * fb_height >> 16;
+	zoom = (SIN(time_msec >> 5) >> 1) + 65536;
 
 	switch(fb_bpp) {
 	case 15: