X-Git-Url: http://git.mutantstargoat.com/user/nuclear/?a=blobdiff_plain;f=src%2Fgamescr.c;h=30ae38018af87097834445341c051c7ed3e546dc;hb=bbe2ec049a812155c75da5ecc303bf3793c9cca8;hp=70991e8ef128c76fbd75e1e8f382e885cb82fd5c;hpb=f6d4c2f2ee940cadff5c5792c789ba86b9df7d4d;p=gbajam21

diff --git a/src/gamescr.c b/src/gamescr.c
index 70991e8..30ae380 100644
--- a/src/gamescr.c
+++ b/src/gamescr.c
@@ -52,12 +52,13 @@ void gamescr(void)
 __attribute__((noinline, target("arm"), section(".iwram")))
 static void draw_tunnel(void)
 {
-	int i, j, tx, ty, angle, depth, zoffs;
+	int i, j, tx, ty, angle, depth, zoffs, uoffs;
 	uint16_t pptop, ppbot;
 	uint16_t *top, *bot;
 	uint32_t tun, *tunptr;
 
 	zoffs = nframes;
+	uoffs = 0;
 
 	top = vram[backbuf];
 	bot = vram[backbuf] + 159 * 240 / 2;
@@ -71,18 +72,18 @@ static void draw_tunnel(void)
 
 			angle = tun & 0xff;
 			depth = (tun >> 8) & 0xff;
-			tx = ((angle >> 1) + zoffs) & 0x1f;
+			tx = ((angle >> 1) + uoffs) & 0x1f;
 			ty = ((depth >> 1) + zoffs) & 0x1f;
 			pptop = tex[(ty << 5) + tx];
-			tx = ((angle >> 1) - zoffs) & 0x1f;
+			tx = ((angle >> 1) - uoffs) & 0x1f;
 			ppbot = tex[(ty << 5) + tx];
 
 			angle = (tun >> 16) & 0xff;
 			depth = (tun >> 24) & 0xff;
-			tx = ((angle >> 1) + zoffs) & 0x1f;
+			tx = ((angle >> 1) + uoffs) & 0x1f;
 			ty = ((depth >> 1) + zoffs) & 0x1f;
 			pptop |= (uint16_t)tex[(ty << 5) + tx] << 8;
-			tx = ((angle >> 1) - zoffs) & 0x1f;
+			tx = ((angle >> 1) - uoffs) & 0x1f;
 			ppbot |= (uint16_t)tex[(ty << 5) + tx] << 8;
 
 			*top++ = pptop;