From 499b5413f04e6b9819160f53b2307d82b61ab9b9 Mon Sep 17 00:00:00 2001
From: Duncan Frost <duncans_pumpkin@hotmail.co.uk>
Date: Thu, 11 Jun 2015 19:33:48 +0100
Subject: [PATCH] Fix graphical glitch when zoomed.

Fixes #1088. I'm not completely sure why it works but it does.
---
 src/drawing/sprite.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/drawing/sprite.c b/src/drawing/sprite.c
index 74ac99a29b..355204e3ba 100644
--- a/src/drawing/sprite.c
+++ b/src/drawing/sprite.c
@@ -308,7 +308,7 @@ void gfx_rle_sprite_to_buffer(uint8* source_bits_pointer, uint8* dest_bits_point
 
 			if (x_start & ~zoom_mask){
 				no_pixels -= (x_start&~zoom_mask);
-				x_start += (x_start&~zoom_mask);
+				x_start += ~zoom_mask;
 				source_pointer += (x_start&~zoom_mask);
 				if (no_pixels <= 0) continue;
 			}