diff --git a/RebuggerCS/DataStructures/RegisterFile.cs b/RebuggerCS/DataStructures/RegisterFile.cs
@@ -1,36 +1,36 @@
 using System;
 namespace RebuggerCS
 {
-	public class RegisterFile
+	abstract public class RegisterFile
 	{
 		public const uint BYTE = 255;
 		public const uint WORD = 65535;
+		protected uint[] data;
 
-		public uint[] data;
-
-		public RegisterFile()
-		{
-			this.data = new uint[30];
-		}
 
 		public byte GetByte(int register, int position)
 		{
-			if (position > 3) {throw new RegisterException();}
+			if (position > 3) { throw new RegisterException(); }
 			return (byte)(this.data[register] >> (position << 3));
 		}
 
-		public ushort getWord(int register, int position)
+		public ushort GetWord(int register, int position)
 		{
-			if (position > 3) {throw new RegisterException();}
+			if (position > 3) { throw new RegisterException(); }
 			return (ushort)(this.data[register] >> (position << 4));
 		}
 
-		public uint getInt(int register)
+		public uint GetUInt(int register)
 		{
 			return this.data[register];
 		}
 
-		public void setByte(int register, int pos, uint value)
+		public int GetInt(int register)
+		{
+			return (int) this.data[register];
+		}
+
+		public void SetByte(int register, int pos, uint value)
 		{
 			if (pos > 3) {throw new RegisterException();}
 			uint target = this.data[register];
@@ -39,7 +39,7 @@ public void setByte(int register, int pos, uint value)
 			this.data[register] = target;
 		}
 
-		public void setWord(int register, int pos, uint value)
+		public void SetWord(int register, int pos, uint value)
 		{
 			if(pos > 2 || pos % 2 != 0){throw new RegisterException();}
 			uint target = this.data[register];
@@ -48,7 +48,12 @@ public void setWord(int register, int pos, uint value)
 			this.data[register] = target;
 		}
 
-		public void setInt(int register, uint value)
+		public void SetInt(int register, int value)
+		{
+			this.data[register] = (uint) value;
+		}
+
+		public void SetUInt(int register, uint value)
 		{
 			this.data[register] = value;
 		}

diff --git a/RebuggerCS/DataStructures/SpecialRegisterFile.cs b/RebuggerCS/DataStructures/SpecialRegisterFile.cs
@@ -0,0 +1,11 @@
+using System;
+namespace RebuggerCS
+{
+	public class SpecialRegisterFile : RegisterFile
+	{
+		public SpecialRegisterFile()
+		{
+			this.data = new uint[3];
+		}
+	}
+}
diff --git a/RebuggerCS/DataStructures/StandardRegisterFile.cs b/RebuggerCS/DataStructures/StandardRegisterFile.cs
@@ -0,0 +1,11 @@
+using System;
+namespace RebuggerCS
+{
+	public class StandardRegisterFile : RegisterFile
+	{
+		public StandardRegisterFile()
+		{
+			this.data = new uint[32];
+		}
+	}
+}
diff --git a/RebuggerCS/RebuggerCS.csproj b/RebuggerCS/RebuggerCS.csproj
@@ -34,6 +34,8 @@
     <Compile Include="DataStructures\StackFile.cs" />
     <Compile Include="ALU\IALU.cs" />
     <Compile Include="ALU\IntALU.cs" />
+    <Compile Include="DataStructures\SpecialRegisterFile.cs" />
+    <Compile Include="DataStructures\StandardRegisterFile.cs" />
   </ItemGroup>
   <Import Project="$(MSBuildBinPath)\Microsoft.CSharp.targets" />
   <ItemGroup>