I like to forget to add files

BizHawk.Emulation.Cores/Computers/AppleII/AppleII.IInputPollable.cs

@@ -0,0 +1,17 @@
+using BizHawk.Emulation.Common;
+
+namespace BizHawk.Emulation.Cores.Computers.AppleII
+{
+	public partial class AppleII : IInputPollable
+	{
+		public int LagCount { get; set; }
+
+		public bool IsLagFrame
+		{
+			get { return _machine.Lagged; }
+			set { _machine.Lagged = value; }
+		}
+
+		public IInputCallbackSystem InputCallbacks { [FeatureNotImplemented]get; private set; }
+	}
+}