From 27956cff153c5224d038f7d924d49373fb968770 Mon Sep 17 00:00:00 2001
From: Christian Speckner <christian.speckner@mayflower.de>
Date: Mon, 17 Sep 2018 22:18:59 +0200
Subject: [PATCH] Fix switching between auto and manual ystart in GUI.

---
 src/emucore/Console.cxx | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/src/emucore/Console.cxx b/src/emucore/Console.cxx
index 46b3bfc04..019256d69 100644
--- a/src/emucore/Console.cxx
+++ b/src/emucore/Console.cxx
@@ -734,7 +734,8 @@ void Console::updateYStart(uInt32 ystart)
     redetectYStart();
     myYStartAutodetected = true;
     ystart = myAutodetectedYstart;
-  }
+  } else
+    myYStartAutodetected = false;
 
   if (ystart != myTIA->ystart()) myTIA->setYStart(ystart);
 }