From 315d1560341bcf705ef0869ef3d695ccf0c2ca4c Mon Sep 17 00:00:00 2001
From: goyuken <goyuken@4bbf4f03-6f44-549e-7e59-35d4b0962838>
Date: Sun, 8 Dec 2013 17:28:43 +0000
Subject: [PATCH] add dummy helper to MemoryDomainList

---
 BizHawk.Emulation.Common/MemoryDomain.cs | 12 ++++++++++++
 1 file changed, 12 insertions(+)

diff --git a/BizHawk.Emulation.Common/MemoryDomain.cs b/BizHawk.Emulation.Common/MemoryDomain.cs
index 5c965355e6..089b9193fe 100644
--- a/BizHawk.Emulation.Common/MemoryDomain.cs
+++ b/BizHawk.Emulation.Common/MemoryDomain.cs
@@ -105,6 +105,18 @@ namespace BizHawk.Emulation.Common
 
 	public class MemoryDomainList : ReadOnlyCollection<MemoryDomain>
 	{
+		/// <summary>
+		/// creates a minimal valid MemoryDomainList that does nothing
+		/// </summary>
+		/// <returns></returns>
+		public static MemoryDomainList GetDummyList()
+		{
+			MemoryDomain dummy = new MemoryDomain("Dummy", 256, MemoryDomain.Endian.Little, (a) => 0, (a, v) => { });
+			List<MemoryDomain> tmp = new List<MemoryDomain>(1);
+			tmp.Add(dummy);
+			return new MemoryDomainList(tmp, 0);
+		}
+
 		private readonly int _mainMemoryIndex;
 
 		public MemoryDomainList(IList<MemoryDomain> domains)