diff --git a/BizHawk.Emulation.Common/BizHawk.Emulation.Common.csproj b/BizHawk.Emulation.Common/BizHawk.Emulation.Common.csproj
index 99206673d3..ccf03881ab 100644
--- a/BizHawk.Emulation.Common/BizHawk.Emulation.Common.csproj
+++ b/BizHawk.Emulation.Common/BizHawk.Emulation.Common.csproj
@@ -72,6 +72,7 @@
     <Compile Include="Interfaces\IController.cs" />
     <Compile Include="Interfaces\ICoreFileProvider.cs" />
     <Compile Include="Interfaces\IDebuggable.cs" />
+    <Compile Include="Interfaces\IDisassemblable.cs" />
     <Compile Include="Interfaces\IDriveLight.cs" />
     <Compile Include="Interfaces\IEmulator.cs" />
     <Compile Include="Interfaces\IEmulatorService.cs" />
diff --git a/BizHawk.Emulation.Common/Extensions.cs b/BizHawk.Emulation.Common/Extensions.cs
index b7ddf5d46f..eaa3765c2e 100644
--- a/BizHawk.Emulation.Common/Extensions.cs
+++ b/BizHawk.Emulation.Common/Extensions.cs
@@ -157,6 +157,21 @@ namespace BizHawk.Emulation.Common.IEmulatorExtensions
 			return false;
 		}
 
+		public static bool CanDisassemble(this IEmulator core)
+		{
+			if (core == null)
+			{
+				return false;
+			}
+
+			return core.ServiceProvider.HasService<IDisassemblable>();
+		}
+
+		public static IDisassemblable AsDissassembler(this IEmulator core)
+		{
+			return (IDisassemblable)core.ServiceProvider.GetService<IDisassemblable>(); 
+		}
+
 		// TODO: a better place for these
 		public static bool IsImplemented(this MethodInfo info)
 		{
diff --git a/BizHawk.Emulation.Common/Interfaces/IDisassemblable.cs b/BizHawk.Emulation.Common/Interfaces/IDisassemblable.cs
new file mode 100644
index 0000000000..29067ad9ab
--- /dev/null
+++ b/BizHawk.Emulation.Common/Interfaces/IDisassemblable.cs
@@ -0,0 +1,23 @@
+using System.Collections.Generic;
+
+namespace BizHawk.Emulation.Common
+{
+	public interface IDisassemblable : IEmulator, IEmulatorService
+	{
+		/// <summary>
+		/// Gets or sets the Cpu that will be used to disassemble
+		/// Only values returned from AvailableCpus will be supported when Set
+		/// </summary>
+		string Cpu { get; set; }
+
+		/// <summary>
+		/// Gets a list of Cpus that can be used when setting the Cpu property
+		/// </summary>
+		IEnumerable<string> AvailableCpus { get; set; }
+
+		/// <summary>
+		/// returns a disassembly starting at addr lasting for length, using the given domain
+		/// </summary>
+		string Disassemble(MemoryDomain m, uint addr, out int length);
+	}
+}