diff --git a/Assets/Scripts/PointerManager.cs b/Assets/Scripts/PointerManager.cs
index 89c0e28..ffc49de 100755
--- a/Assets/Scripts/PointerManager.cs
+++ b/Assets/Scripts/PointerManager.cs
@@ -183,8 +183,10 @@ namespace UntitledLogicGame
 
         private void SetCursor()
         {
-            Texture2D cursor = DefaultCursor;
-            Vector2 position = Vector2.zero;
+            var cursor = DefaultCursor;
+            var position = Vector2.zero;
+
+            //TODO fix warning about invalid Texture2D
 
             if(!Interacting && GameManager.Instance.CurrentAnchor != null || Interacting && _currentCable != null)
             {
diff --git a/Assets/Scripts/Utils.cs b/Assets/Scripts/Utils.cs
index 2a44ba1..dbb642d 100755
--- a/Assets/Scripts/Utils.cs
+++ b/Assets/Scripts/Utils.cs
@@ -23,7 +23,7 @@ namespace UntitledLogicGame
 
         public static bool[][] AllBoolArrayValues(int length)
         {
-            int count = (int)Math.Pow(2, length);
+            var count = (int)Math.Pow(2, length);
             return new ArrayList[count].Select((v, i) => i.ToBoolArray(length)).ToArray();
         }
 
@@ -43,7 +43,7 @@ namespace UntitledLogicGame
     {
         public static bool[] ToBoolArray(this int value, int length)
         {
-            string str = Convert.ToString(value, 2).PadLeft(length, '0');
+            var str = Convert.ToString(value, 2).PadLeft(length, '0');
             return str.Select((x) => x == '1').ToArray();
         }
 
diff --git a/Assets/Scripts/Workspace/Gates/GateDefinition.cs b/Assets/Scripts/Workspace/Gates/GateDefinition.cs
index 8a66032..d20375e 100755
--- a/Assets/Scripts/Workspace/Gates/GateDefinition.cs
+++ b/Assets/Scripts/Workspace/Gates/GateDefinition.cs
@@ -12,7 +12,7 @@ namespace UntitledLogicGame.Workspace.Gates
         public abstract string[] Outputs { get; }
         internal abstract Dictionary<InputState, OutputState> TruthTable { get; }
         public string Name { get; internal set; }
-        public bool HasState { get; } = false;
+        public bool HasState => false;
         public GateDefinition New => (GateDefinition)GetType().GetConstructor(new Type[0]).Invoke(new object[0]);
 
         private static void LoadAll()
@@ -22,7 +22,7 @@ namespace UntitledLogicGame.Workspace.Gates
             {
                 try
                 {
-                    Type t = Type.GetType($"{typeof(GateDefinition).Namespace}.{gateType}Gate", true);
+                    var t = Type.GetType($"{typeof(GateDefinition).Namespace}.{gateType}Gate", true);
                     Definitions[gateType] = (GateDefinition)t.GetConstructor(new Type[0]).Invoke(new object[0]);
                     Definitions[gateType].Name = gateType.ToString();
                 }
@@ -39,7 +39,7 @@ namespace UntitledLogicGame.Workspace.Gates
             if (Definitions == null)
                 LoadAll();
 
-            GateDefinition definition = Definitions[gateType];
+            var definition = Definitions[gateType];
 
             foreach (var inputName in definition.Inputs)
             {
@@ -61,22 +61,36 @@ namespace UntitledLogicGame.Workspace.Gates
 
         internal GateDefinition()
         {
-            foreach(var key in TruthTable.Keys)
+            if (!HasState)
             {
-                if (key.Length != Inputs.Length)
-                    throw new InvalidOperationException($"{GetType()} invalid inputs ({key})");
-            }
-            if(Inputs.Length != 0)
-            {
-                foreach (var key in Utils.AllBoolArrayValues(Inputs.Length).Select(b => new InputState(b)))
+                if (TruthTable.Count > 0)
                 {
-                    if (!TruthTable.Keys.Contains(key))
-                        throw new InvalidOperationException($"{GetType()} no outputs for ({key})");
-                    var values = TruthTable[key];
-                    if (values.Length != Outputs.Length)
-                        throw new InvalidOperationException($"{GetType()} invalid outputs for ({key})");
+                    foreach (var key in TruthTable.Keys)
+                    {
+                        if (key.Length != Inputs.Length)
+                            throw new InvalidOperationException($"{GetType()} invalid inputs ({key})");
+                    }
+                    if (Inputs.Length != 0)
+                    {
+                        foreach (var key in Utils.AllBoolArrayValues(Inputs.Length).Select(b => new InputState(b)))
+                        {
+                            if (!TruthTable.Keys.Contains(key))
+                                throw new InvalidOperationException($"{GetType()} no outputs for ({key})");
+                            var values = TruthTable[key];
+                            if (values.Length != Outputs.Length)
+                                throw new InvalidOperationException($"{GetType()} invalid outputs for ({key})");
+                        }
+                    }
                 }
             }
+            else
+            {
+                // Only test basic value
+                var sample = new InputState(Inputs.Length);
+                var output = Compute(sample);
+                if(output.Length != Outputs.Length)
+                    throw new InvalidOperationException($"{GetType()} invalid outputs for sample ({sample})");
+            }
         }
 
         public bool[] GetState(Gate gate)
@@ -86,8 +100,8 @@ namespace UntitledLogicGame.Workspace.Gates
 
         public void Compute(Gate gate)
         {
-            InputState input = new InputState(GetState(gate));
-            State output = Compute(input);
+            var input = new InputState(GetState(gate));
+            var output = Compute(input);
             foreach (var outputAnchor in Outputs.Select((name, i) => new { i, name }))
                 gate.OutputAnchors.First(a => a.Name.Equals(outputAnchor.name)).Activated = output[outputAnchor.i];
         }
diff --git a/Assets/Scripts/Workspace/Gates/GateDefinitionList.cs b/Assets/Scripts/Workspace/Gates/GateDefinitionList.cs
index a5e47cf..392ea5a 100755
--- a/Assets/Scripts/Workspace/Gates/GateDefinitionList.cs
+++ b/Assets/Scripts/Workspace/Gates/GateDefinitionList.cs
@@ -130,7 +130,7 @@ namespace UntitledLogicGame.Workspace.Gates
     internal class SRLatchGate : GateDefinition
     {
         public override string[] Inputs { get; } = new string[] { "S", "R" };
-        public override string[] Outputs { get; } = new string[] { "Q" };
+        public override string[] Outputs { get; } = new string[] { "Q", "Q̅" };
         internal override Dictionary<InputState, OutputState> TruthTable => EmptyTruthTable;
         public new string Name => "SR Latch";
         public new bool HasState => true;
@@ -139,20 +139,20 @@ namespace UntitledLogicGame.Workspace.Gates
 
         internal new OutputState Compute(InputState input)
         {
-            bool s = input[0];
-            bool r = input[1];
+            var s = input[0];
+            var r = input[1];
             if (r)
                 _q = false;
             else if (s)
                 _q = true;
-            return new OutputState(_q);
+            return new OutputState(_q, !_q);
         }
     }
 
     internal class JKLatchGate : GateDefinition
     {
         public override string[] Inputs { get; } = new string[] { "J", "K" };
-        public override string[] Outputs { get; } = new string[] { "Q" };
+        public override string[] Outputs { get; } = new string[] { "Q", "Q̅" };
         internal override Dictionary<InputState, OutputState> TruthTable => EmptyTruthTable;
         public new string Name => "JK Latch";
         public new bool HasState => true;
@@ -161,22 +161,22 @@ namespace UntitledLogicGame.Workspace.Gates
 
         internal new OutputState Compute(InputState input)
         {
-            bool j = input[0];
-            bool k = input[1];
+            var j = input[0];
+            var k = input[1];
             if (k && j)
                 _q = !_q;
             else if (k)
                 _q = false;
             else if (j)
                 _q = true;
-            return new OutputState(_q);
+            return new OutputState(_q, !_q);
         }
     }
 
     internal class DLatchGate : GateDefinition
     {
         public override string[] Inputs { get; } = new string[] { "D", "E" };
-        public override string[] Outputs { get; } = new string[] { "Q" };
+        public override string[] Outputs { get; } = new string[] { "Q", "Q̅" };
         internal override Dictionary<InputState, OutputState> TruthTable => EmptyTruthTable;
         public new string Name => "D Latch";
         public new bool HasState => true;
@@ -185,11 +185,11 @@ namespace UntitledLogicGame.Workspace.Gates
 
         internal new OutputState Compute(InputState input)
         {
-            bool d = input[0];
-            bool e = input[1];
+            var d = input[0];
+            var e = input[1];
             if (e)
                 _q = d;
-            return new OutputState(_q);
+            return new OutputState(_q, !_q);
         }
     }
 
@@ -200,7 +200,7 @@ namespace UntitledLogicGame.Workspace.Gates
     internal class SRFlipFlopGate : GateDefinition
     {
         public override string[] Inputs { get; } = new string[] { "S", "R", "CLK" };
-        public override string[] Outputs { get; } = new string[] { "Q" };
+        public override string[] Outputs { get; } = new string[] { "Q", "Q̅" };
         internal override Dictionary<InputState, OutputState> TruthTable => EmptyTruthTable;
         public new string Name => "SR Flip-Flop";
         public new bool HasState => true;
@@ -210,23 +210,23 @@ namespace UntitledLogicGame.Workspace.Gates
 
         internal new OutputState Compute(InputState input)
         {
-            bool s = input[0];
-            bool r = input[1];
-            bool clk = input[2];
+            var s = input[0];
+            var r = input[1];
+            var clk = input[2];
             if (clk && !_lastClk) // rising edge
                 if (r)
                     _q = false;
                 else if (s)
                     _q = true;
             _lastClk = clk;
-            return new OutputState(_q);
+            return new OutputState(_q, !_q);
         }
     }
 
     internal class JKFlipFlopGate : GateDefinition
     {
         public override string[] Inputs { get; } = new string[] { "J", "K", "CLK" };
-        public override string[] Outputs { get; } = new string[] { "Q" };
+        public override string[] Outputs { get; } = new string[] { "Q", "Q̅" };
         internal override Dictionary<InputState, OutputState> TruthTable => EmptyTruthTable;
         public new string Name => "JK Flip-Flop";
         public new bool HasState => true;
@@ -236,9 +236,9 @@ namespace UntitledLogicGame.Workspace.Gates
 
         internal new OutputState Compute(InputState input)
         {
-            bool j = input[0];
-            bool k = input[1];
-            bool clk = input[2];
+            var j = input[0];
+            var k = input[1];
+            var clk = input[2];
             if (clk && !_lastClk) // rising edge
                 if (k && j)
                     _q = !_q;
@@ -247,14 +247,14 @@ namespace UntitledLogicGame.Workspace.Gates
                 else if (j)
                     _q = true;
             _lastClk = clk;
-            return new OutputState(_q);
+            return new OutputState(_q, !_q);
         }
     }
 
     internal class DFlipFlopGate : GateDefinition
     {
         public override string[] Inputs { get; } = new string[] { "D", "CLK" };
-        public override string[] Outputs { get; } = new string[] { "Q" };
+        public override string[] Outputs { get; } = new string[] { "Q", "Q̅" };
         internal override Dictionary<InputState, OutputState> TruthTable => EmptyTruthTable;
         public new string Name => "D Flip-Flop";
         public new bool HasState => true;
@@ -264,19 +264,19 @@ namespace UntitledLogicGame.Workspace.Gates
 
         internal new OutputState Compute(InputState input)
         {
-            bool d = input[0];
-            bool clk = input[1];
+            var d = input[0];
+            var clk = input[1];
             if (clk && !_lastClk) // rising edge
                 _q = d;
             _lastClk = clk;
-            return new OutputState(_q);
+            return new OutputState(_q, !_q);
         }
     }
 
     internal class TFlipFlopGate : GateDefinition
     {
         public override string[] Inputs { get; } = new string[] { "T", "CLK" };
-        public override string[] Outputs { get; } = new string[] { "Q" };
+        public override string[] Outputs { get; } = new string[] { "Q", "Q̅" };
         internal override Dictionary<InputState, OutputState> TruthTable => EmptyTruthTable;
         public new string Name => "T Flip-Flop";
         public new bool HasState => true;
@@ -286,13 +286,13 @@ namespace UntitledLogicGame.Workspace.Gates
 
         internal new OutputState Compute(InputState input)
         {
-            bool t = input[0];
-            bool clk = input[1];
+            var t = input[0];
+            var clk = input[1];
             if (clk && !_lastClk) // rising edge
                 if (t)
                     _q = !_q;
             _lastClk = clk;
-            return new OutputState(_q);
+            return new OutputState(_q, !_q);
         }
     }
 
diff --git a/TODO.txt b/TODO.txt
index 6139a8d..1334f16 100755
--- a/TODO.txt
+++ b/TODO.txt
@@ -1,7 +1,7 @@
 TODO
 -(0) mux/demux
 -(2) gate bar sub categories
--(2) named anchors
+-(2) named anchors (dezoom hide ?)
 -(3) clocks (1Hz, 5Hz, 10Hz, etc.)
 -(3) generic rect gates
 -(3) state gates