diff --git a/BizHawk.Emulation.Common/Base Implementations/MemoryDomain.cs b/BizHawk.Emulation.Common/Base Implementations/MemoryDomain.cs
index 7a878e702d..83b6eb98be 100644
--- a/BizHawk.Emulation.Common/Base Implementations/MemoryDomain.cs	
+++ b/BizHawk.Emulation.Common/Base Implementations/MemoryDomain.cs	
@@ -217,6 +217,11 @@ namespace BizHawk.Emulation.Common
 		private MemoryDomain _mainMemory;
 		private MemoryDomain _systemBus;
 
+		public bool Has(string name)
+		{
+			return this.FirstOrDefault((md) => md.Name == name) != null;
+		}
+
 		public MemoryDomainList(IList<MemoryDomain> domains) 
 			: base(domains)
 		{
diff --git a/BizHawk.Emulation.Common/Interfaces/IMemoryDomains.cs b/BizHawk.Emulation.Common/Interfaces/IMemoryDomains.cs
index 5ed18f76a3..c5054def69 100644
--- a/BizHawk.Emulation.Common/Interfaces/IMemoryDomains.cs
+++ b/BizHawk.Emulation.Common/Interfaces/IMemoryDomains.cs
@@ -18,5 +18,7 @@ namespace BizHawk.Emulation.Common
 		bool HasSystemBus { get; }
 
 		MemoryDomain SystemBus { get; set; }
+
+		bool Has(string name);
 	}
 }