From 71c92cb87e8e5bdc4d60cb6252bea4383393ea69 Mon Sep 17 00:00:00 2001
From: adelikat <adelikat@tasvideos.org>
Date: Sun, 30 Nov 2014 19:58:32 +0000
Subject: [PATCH] don't freak out if someone attempts to rewind on a core that
 is not IStatable

---
 BizHawk.Client.Common/rewind/Rewinder.cs | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/BizHawk.Client.Common/rewind/Rewinder.cs b/BizHawk.Client.Common/rewind/Rewinder.cs
index 53aea44454..2d0ed045cb 100644
--- a/BizHawk.Client.Common/rewind/Rewinder.cs
+++ b/BizHawk.Client.Common/rewind/Rewinder.cs
@@ -137,7 +137,10 @@ namespace BizHawk.Client.Common
 
 		public void Rewind(int frames)
 		{
-			_rewindThread.Rewind(frames);
+			if (Global.Emulator.HasSavestates())
+			{
+				_rewindThread.Rewind(frames);
+			}
 		}
 
 		// TODO remove me