diff --git a/BizHawk.Emulation.Cores/Consoles/Sega/gpgx/GPGX.cs b/BizHawk.Emulation.Cores/Consoles/Sega/gpgx/GPGX.cs
index 19ea90d2ee..b72783b12b 100644
--- a/BizHawk.Emulation.Cores/Consoles/Sega/gpgx/GPGX.cs
+++ b/BizHawk.Emulation.Cores/Consoles/Sega/gpgx/GPGX.cs
@@ -340,6 +340,13 @@ namespace BizHawk.Emulation.Cores.Consoles.Sega.gpgx
 			ControllerDefinition = ControlConverter.ControllerDef;
 		}
 
+		public LibGPGX.INPUT_DEVICE GetDeviceAtPort(int i)
+		{
+			if (i < 0 || i >= LibGPGX.MAX_DEVICES)
+				throw new IndexOutOfRangeException();
+			return input.dev[i];
+		}
+
 		// core callback for input
 		void input_callback()
 		{