Beginning to add Program Counter and Stack Pointer

Beginning to add initil Instruction Set

CU.cs

@@ -2,6 +2,55 @@ namespace CPUSimulation
 {
     public class CU // Control Unit
     {
-        
+        Dictionary<string, string> _instructionSet;
+        Dictionary<string, Word> _registers;
+        public CU(int numberOfMemoryBanks)
+        {
+            _instructionSet = new Dictionary<string, string>();
+            _instructionSet.Add("00000", "NOP");
+            _instructionSet.Add("00001", "LOAD");
+            _instructionSet.Add("00010", "STORE");
+            _instructionSet.Add("00011", "ADD");
+            _instructionSet.Add("00100", "SUB");
+            _instructionSet.Add("00101", "JUMP");
+            _instructionSet.Add("00110", "JUMPIFZERO");
+            _instructionSet.Add("00111", "JUMPIFNEG");
+            _instructionSet.Add("01000", "AND");
+            _instructionSet.Add("01001", "OR");
+            _instructionSet.Add("01010", "XOR");
+            _instructionSet.Add("01011", "NOT");
+            _instructionSet.Add("01100", "SHL");
+            _instructionSet.Add("01101", "SHR");
+            _instructionSet.Add("01110", "INC");
+            _instructionSet.Add("01111", "DEC");
+
+            _registers = new Dictionary<string, Word>();
+            for (int i = 0; i < numberOfMemoryBanks; i++)
+            {
+                _registers.Add($"R{i}", new Word(new Byte[0]));
+            }
+
+        }
+
+        internal class ProgramCounter
+        {
+            Int16 _value;
+            public ProgramCounter()
+            {
+                _value = 0;
+            }
+            public void Increment()
+            {
+                _value++;
+            }
+            public void SetValue(Int16 value)
+            {
+                _value = value;
+            }
+            public Int16 GetValue()
+            {
+                return _value;
+            }
+        }
     }
 }