From 27a8cbb016dc5772e10c775ff5edc5fd5b4c4e80 Mon Sep 17 00:00:00 2001
From: negativeExponent <negativeExponent@users.noreply.github.com>
Date: Fri, 6 Mar 2020 13:53:36 +0800
Subject: [PATCH] Fix mirroring in mapper 200

---
 src/boards/addrlatch.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/boards/addrlatch.c b/src/boards/addrlatch.c
index 41ef1c1..e3dba77 100644
--- a/src/boards/addrlatch.c
+++ b/src/boards/addrlatch.c
@@ -266,7 +266,7 @@ static void M200Sync(void) {
 	setprg16(0x8000, latche & 7);
 	setprg16(0xC000, latche & 7);
 	setchr8(latche & 7);
-	setmirror((latche & 8) >> 3);
+	setmirror(((latche >> 3) & 1) ^ 1);
 }
 
 void Mapper200_Init(CartInfo *info) {