From d8d479e46b8667415e3fd2d19f095dc58bb95def Mon Sep 17 00:00:00 2001
From: jbo_85 <>
Date: Sun, 12 Mar 2006 02:45:01 +0000
Subject: [PATCH] Workaround to fix crashing of certain games (Sim City Pal and
 Super Tetris 2 + Bombliss) on resolution change.

---
 zsnes/src/video/newgfx16.asm | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/zsnes/src/video/newgfx16.asm b/zsnes/src/video/newgfx16.asm
index d93efb27..5b5929be 100644
--- a/zsnes/src/video/newgfx16.asm
+++ b/zsnes/src/video/newgfx16.asm
@@ -2382,6 +2382,8 @@ NEWSYM drawbg4linepr116b
 .loopobj2
     test byte[esi+7],20h
     jnz near .drawspriteflipx2
+    or byte[esi+4],0        ;this prevents some games from crashing
+    jz near .exitnow
     mov bx,[esi]
     mov ch,[esi+6]
     mov esi,[esi+2]
@@ -2390,6 +2392,7 @@ NEWSYM drawbg4linepr116b
     mov esi,edx
     dec cl
     jnz near .loopobj2
+.exitnow
     pop ebx
     pop esi
     ret