From d831a9e70080e5297861d28940d2fc217ee695b4 Mon Sep 17 00:00:00 2001
From: dinkc64 <terra79pin@yahoo.com>
Date: Wed, 13 Dec 2023 09:49:40 -0500
Subject: [PATCH] linescroll y-flipping flipp-off

---
 src/burn/tilemap_generic.cpp | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/burn/tilemap_generic.cpp b/src/burn/tilemap_generic.cpp
index fef1ef8e67..25c4afd0e1 100644
--- a/src/burn/tilemap_generic.cpp
+++ b/src/burn/tilemap_generic.cpp
@@ -1050,7 +1050,7 @@ void GenericTilemapDraw(INT32 which, UINT16 *Bitmap, INT32 priority, INT32 prior
 
 			INT32 sy = y;
 			if (cur_map->flags & TMAP_FLIPY) {
-				sy = ((maxy - miny) - cur_map->theight) - sy;
+				sy = ((maxy - miny) - 1) - sy;
 			}
 
 			dest = Bitmap + sy * nScreenWidth;