Initial commit

C#/DigiSim/Logic/Gates/XnorGate.cs

@@ -0,0 +1,30 @@
+using System.Windows.Controls;
+using System.Windows.Shapes;
+
+namespace DigiSim.Logic.Gates {
+    public class XnorGate : Gate {
+        public XnorGate(double x, double y) : base(x, y, 50, 50) { }
+        protected override void InternalSetup(Canvas canvas) {
+            TruthTable.Add(false, false, true);
+            TruthTable.Add(false, true, false);
+            TruthTable.Add(true, false, false);
+            TruthTable.Add(true, true, true);
+
+            Shape = new Rectangle();
+            SetInputs(2);
+            SetOutputs(1);
+            CreateConnections();
+
+            Text = "!=1";
+            
+            Instantiate();
+        }
+
+        public override void Update(Gate source) {
+            ConnectedOutputs[0].IsPowered = TruthTable[ConnectedInputs[0].IsPowered, ConnectedInputs[1].IsPowered];
+            
+            UpdateShapes();
+            UpdateConnectedGates(source);
+        }
+    }
+}