diff --git a/EightBit/Register16.cs b/EightBit/Register16.cs
index 358596d..fa3b013 100644
--- a/EightBit/Register16.cs
+++ b/EightBit/Register16.cs
@@ -65,26 +65,10 @@ namespace EightBit
 
         public ref byte High => ref this.high;
 
-        public static Register16 operator ++(Register16 value) => Increment(value);
-
-        public static Register16 operator --(Register16 value) => Decrement(value);
-
         public static bool operator ==(Register16 left, Register16 right) => left.Equals(right);
 
         public static bool operator !=(Register16 left, Register16 right) => !(left == right);
 
-        public static Register16 Increment(Register16 value)
-        {
-            ++value.Word;
-            return value;
-        }
-
-        public static Register16 Decrement(Register16 value)
-        {
-            --value.Word;
-            return value;
-        }
-
         public override bool Equals(object obj)
         {
             var rhs = obj as Register16;
diff --git a/MC6809/MC6809.Test/Properties/AssemblyInfo.cs b/MC6809/MC6809.Test/Properties/AssemblyInfo.cs
index 792e99e..6fc0516 100644
--- a/MC6809/MC6809.Test/Properties/AssemblyInfo.cs
+++ b/MC6809/MC6809.Test/Properties/AssemblyInfo.cs
@@ -1,5 +1,8 @@
-using System.Reflection;
-using System.Runtime.CompilerServices;
+// <copyright file="AssemblyInfo.cs" company="Adrian Conlon">
+// Copyright (c) Adrian Conlon. All rights reserved.
+// </copyright>
+
+using System.Reflection;
 using System.Runtime.InteropServices;
 
 // General Information about an assembly is controlled through the following
diff --git a/MC6809/MC6809.UnitTest/AbxTests.cs b/MC6809/MC6809.UnitTest/AbxTests.cs
index 0d8c26b..1d4d779 100644
--- a/MC6809/MC6809.UnitTest/AbxTests.cs
+++ b/MC6809/MC6809.UnitTest/AbxTests.cs
@@ -1,4 +1,8 @@
-namespace EightBit
+// <copyright file="AbxTests.cs" company="Adrian Conlon">
+// Copyright (c) Adrian Conlon. All rights reserved.
+// </copyright>
+
+namespace EightBit
 {
     using Microsoft.VisualStudio.TestTools.UnitTesting;
 
diff --git a/MC6809/MC6809.UnitTest/AdcTests.cs b/MC6809/MC6809.UnitTest/AdcTests.cs
index ca1c461..f5d71fa 100644
--- a/MC6809/MC6809.UnitTest/AdcTests.cs
+++ b/MC6809/MC6809.UnitTest/AdcTests.cs
@@ -1,4 +1,8 @@
-namespace EightBit
+// <copyright file="AdcTests.cs" company="Adrian Conlon">
+// Copyright (c) Adrian Conlon. All rights reserved.
+// </copyright>
+
+namespace EightBit
 {
     using Microsoft.VisualStudio.TestTools.UnitTesting;
 
diff --git a/MC6809/MC6809.UnitTest/AddTests.cs b/MC6809/MC6809.UnitTest/AddTests.cs
index 029465a..5e8f8e1 100644
--- a/MC6809/MC6809.UnitTest/AddTests.cs
+++ b/MC6809/MC6809.UnitTest/AddTests.cs
@@ -1,4 +1,8 @@
-namespace EightBit
+// <copyright file="AddTests.cs" company="Adrian Conlon">
+// Copyright (c) Adrian Conlon. All rights reserved.
+// </copyright>
+
+namespace EightBit
 {
     using Microsoft.VisualStudio.TestTools.UnitTesting;
 
diff --git a/MC6809/MC6809.UnitTest/AndTests.cs b/MC6809/MC6809.UnitTest/AndTests.cs
index 51b43ad..e9cdfda 100644
--- a/MC6809/MC6809.UnitTest/AndTests.cs
+++ b/MC6809/MC6809.UnitTest/AndTests.cs
@@ -1,4 +1,8 @@
-namespace EightBit
+// <copyright file="AndTests.cs" company="Adrian Conlon">
+// Copyright (c) Adrian Conlon. All rights reserved.
+// </copyright>
+
+namespace EightBit
 {
     using Microsoft.VisualStudio.TestTools.UnitTesting;
 
diff --git a/MC6809/MC6809.UnitTest/AslTests.cs b/MC6809/MC6809.UnitTest/AslTests.cs
index d39667b..5ed96ee 100644
--- a/MC6809/MC6809.UnitTest/AslTests.cs
+++ b/MC6809/MC6809.UnitTest/AslTests.cs
@@ -1,4 +1,8 @@
-namespace EightBit
+// <copyright file="AslTests.cs" company="Adrian Conlon">
+// Copyright (c) Adrian Conlon. All rights reserved.
+// </copyright>
+
+namespace EightBit
 {
     using Microsoft.VisualStudio.TestTools.UnitTesting;
 
diff --git a/MC6809/MC6809.UnitTest/AsrTests.cs b/MC6809/MC6809.UnitTest/AsrTests.cs
index f2eef0d..e97b1ca 100644
--- a/MC6809/MC6809.UnitTest/AsrTests.cs
+++ b/MC6809/MC6809.UnitTest/AsrTests.cs
@@ -1,4 +1,8 @@
-namespace EightBit
+// <copyright file="AsrTests.cs" company="Adrian Conlon">
+// Copyright (c) Adrian Conlon. All rights reserved.
+// </copyright>
+
+namespace EightBit
 {
     using Microsoft.VisualStudio.TestTools.UnitTesting;
 
diff --git a/MC6809/MC6809.UnitTest/BgtTests.cs b/MC6809/MC6809.UnitTest/BgtTests.cs
index a4073f1..68ea0d4 100644
--- a/MC6809/MC6809.UnitTest/BgtTests.cs
+++ b/MC6809/MC6809.UnitTest/BgtTests.cs
@@ -1,4 +1,8 @@
-namespace EightBit
+// <copyright file="BgtTests.cs" company="Adrian Conlon">
+// Copyright (c) Adrian Conlon. All rights reserved.
+// </copyright>
+
+namespace EightBit
 {
     using Microsoft.VisualStudio.TestTools.UnitTesting;
 
@@ -14,10 +18,10 @@
 
             this.board.Poke(0, 0x2e);    // BGT
             this.board.Poke(1, 0x03);
-            this.board.Poke(2, 0x86);    // LDA	#1
+            this.board.Poke(2, 0x86);    // LDA #1
             this.board.Poke(3, 0x01);
             this.board.Poke(4, 0x12);    // NOP
-            this.board.Poke(5, 0x86);    // LDA	#2
+            this.board.Poke(5, 0x86);    // LDA #2
             this.board.Poke(6, 0x02);
             this.board.Poke(7, 0x12);    // NOP
         }
diff --git a/MC6809/MC6809.UnitTest/BhiTests.cs b/MC6809/MC6809.UnitTest/BhiTests.cs
index d8fd938..8d12032 100644
--- a/MC6809/MC6809.UnitTest/BhiTests.cs
+++ b/MC6809/MC6809.UnitTest/BhiTests.cs
@@ -1,4 +1,8 @@
-namespace EightBit
+// <copyright file="BhiTests.cs" company="Adrian Conlon">
+// Copyright (c) Adrian Conlon. All rights reserved.
+// </copyright>
+
+namespace EightBit
 {
     using Microsoft.VisualStudio.TestTools.UnitTesting;
 
@@ -14,12 +18,12 @@
 
             this.board.Poke(0, 0x22);    // BHI
             this.board.Poke(1, 0x03);
-            this.board.Poke(2, 0x86);    // LDA	#1
+            this.board.Poke(2, 0x86);    // LDA #1
             this.board.Poke(3, 0x01);
             this.board.Poke(4, 0x12);    // NOP
-            this.board.Poke(5, 0x86);    // LDA	#2
+            this.board.Poke(5, 0x86);    // LDA #2
             this.board.Poke(6, 0x02);
-            this.board.Poke(7, 0x12);	// NOP
+            this.board.Poke(7, 0x12);    // NOP
         }
 
         [TestInitialize]
diff --git a/MC6809/MC6809.UnitTest/BitTests.cs b/MC6809/MC6809.UnitTest/BitTests.cs
index 16998f5..902c0ab 100644
--- a/MC6809/MC6809.UnitTest/BitTests.cs
+++ b/MC6809/MC6809.UnitTest/BitTests.cs
@@ -1,4 +1,8 @@
-namespace EightBit
+// <copyright file="BitTests.cs" company="Adrian Conlon">
+// Copyright (c) Adrian Conlon. All rights reserved.
+// </copyright>
+
+namespace EightBit
 {
     using Microsoft.VisualStudio.TestTools.UnitTesting;
 
diff --git a/MC6809/MC6809.UnitTest/BleTests.cs b/MC6809/MC6809.UnitTest/BleTests.cs
index 8ed512f..d2a3168 100644
--- a/MC6809/MC6809.UnitTest/BleTests.cs
+++ b/MC6809/MC6809.UnitTest/BleTests.cs
@@ -1,4 +1,8 @@
-namespace EightBit
+// <copyright file="BleTests.cs" company="Adrian Conlon">
+// Copyright (c) Adrian Conlon. All rights reserved.
+// </copyright>
+
+namespace EightBit
 {
     using Microsoft.VisualStudio.TestTools.UnitTesting;
 
@@ -14,10 +18,10 @@
 
             this.board.Poke(0, 0x2f);   // BLE
             this.board.Poke(1, 0x03);
-            this.board.Poke(2, 0x86);   // LDA	#1
+            this.board.Poke(2, 0x86);   // LDA #1
             this.board.Poke(3, 0x01);
             this.board.Poke(4, 0x12);   // NOP
-            this.board.Poke(5, 0x86);   // LDA	#2
+            this.board.Poke(5, 0x86);   // LDA #2
             this.board.Poke(6, 0x02);
             this.board.Poke(7, 0x12);   // NOP
         }
diff --git a/MC6809/MC6809.UnitTest/Board.cs b/MC6809/MC6809.UnitTest/Board.cs
index 6c1cc40..40e3e07 100644
--- a/MC6809/MC6809.UnitTest/Board.cs
+++ b/MC6809/MC6809.UnitTest/Board.cs
@@ -1,4 +1,8 @@
-namespace EightBit
+// <copyright file="Board.cs" company="Adrian Conlon">
+// Copyright (c) Adrian Conlon. All rights reserved.
+// </copyright>
+
+namespace EightBit
 {
     public sealed class Board : EightBit.Bus
     {
diff --git a/MC6809/MC6809.UnitTest/ClrTests.cs b/MC6809/MC6809.UnitTest/ClrTests.cs
index 30cb809..f7b3533 100644
--- a/MC6809/MC6809.UnitTest/ClrTests.cs
+++ b/MC6809/MC6809.UnitTest/ClrTests.cs
@@ -1,4 +1,8 @@
-namespace EightBit
+// <copyright file="ClrTests.cs" company="Adrian Conlon">
+// Copyright (c) Adrian Conlon. All rights reserved.
+// </copyright>
+
+namespace EightBit
 {
     using Microsoft.VisualStudio.TestTools.UnitTesting;
 
diff --git a/MC6809/MC6809.UnitTest/CmpTests.cs b/MC6809/MC6809.UnitTest/CmpTests.cs
index 56398e8..2f1c17e 100644
--- a/MC6809/MC6809.UnitTest/CmpTests.cs
+++ b/MC6809/MC6809.UnitTest/CmpTests.cs
@@ -1,4 +1,8 @@
-namespace EightBit
+// <copyright file="CmpTests.cs" company="Adrian Conlon">
+// Copyright (c) Adrian Conlon. All rights reserved.
+// </copyright>
+
+namespace EightBit
 {
     using Microsoft.VisualStudio.TestTools.UnitTesting;
 
diff --git a/MC6809/MC6809.UnitTest/DecTests.cs b/MC6809/MC6809.UnitTest/DecTests.cs
index 58c6b3b..97a96d4 100644
--- a/MC6809/MC6809.UnitTest/DecTests.cs
+++ b/MC6809/MC6809.UnitTest/DecTests.cs
@@ -1,4 +1,8 @@
-namespace EightBit
+// <copyright file="DecTests.cs" company="Adrian Conlon">
+// Copyright (c) Adrian Conlon. All rights reserved.
+// </copyright>
+
+namespace EightBit
 {
     using Microsoft.VisualStudio.TestTools.UnitTesting;
 
diff --git a/MC6809/MC6809.UnitTest/IncTests.cs b/MC6809/MC6809.UnitTest/IncTests.cs
index b5e71a4..b92cf36 100644
--- a/MC6809/MC6809.UnitTest/IncTests.cs
+++ b/MC6809/MC6809.UnitTest/IncTests.cs
@@ -1,4 +1,8 @@
-namespace EightBit
+// <copyright file="IncTests.cs" company="Adrian Conlon">
+// Copyright (c) Adrian Conlon. All rights reserved.
+// </copyright>
+
+namespace EightBit
 {
     using Microsoft.VisualStudio.TestTools.UnitTesting;
 
diff --git a/MC6809/MC6809.UnitTest/JsrTests.cs b/MC6809/MC6809.UnitTest/JsrTests.cs
index 0015f6f..bd06403 100644
--- a/MC6809/MC6809.UnitTest/JsrTests.cs
+++ b/MC6809/MC6809.UnitTest/JsrTests.cs
@@ -1,9 +1,12 @@
-namespace EightBit
+// <copyright file="JsrTests.cs" company="Adrian Conlon">
+// Copyright (c) Adrian Conlon. All rights reserved.
+// </copyright>
+
+namespace EightBit
 {
     using Microsoft.VisualStudio.TestTools.UnitTesting;
 
     // https://github.com/sorenroug/osnine-java/blob/master/core/src/test/java/org/roug/osnine/BranchAndJumpTest.java
-
     [TestClass]
     public class JsrTests
     {
diff --git a/MC6809/MC6809.UnitTest/MC6809.UnitTest.csproj b/MC6809/MC6809.UnitTest/MC6809.UnitTest.csproj
index 90bd5f5..bb1cc09 100644
--- a/MC6809/MC6809.UnitTest/MC6809.UnitTest.csproj
+++ b/MC6809/MC6809.UnitTest/MC6809.UnitTest.csproj
@@ -84,6 +84,7 @@
   </ItemGroup>
   <ItemGroup>
     <None Include="packages.config" />
+    <AdditionalFiles Include="stylecop.json" />
   </ItemGroup>
   <ItemGroup>
     <Analyzer Include="..\..\packages\StyleCop.Analyzers.1.1.118\analyzers\dotnet\cs\StyleCop.Analyzers.CodeFixes.dll" />
diff --git a/MC6809/MC6809.UnitTest/Properties/AssemblyInfo.cs b/MC6809/MC6809.UnitTest/Properties/AssemblyInfo.cs
index 2affe5e..7217ec4 100644
--- a/MC6809/MC6809.UnitTest/Properties/AssemblyInfo.cs
+++ b/MC6809/MC6809.UnitTest/Properties/AssemblyInfo.cs
@@ -1,3 +1,7 @@
+// <copyright file="AssemblyInfo.cs" company="Adrian Conlon">
+// Copyright (c) Adrian Conlon. All rights reserved.
+// </copyright>
+
 using System.Reflection;
 using System.Runtime.CompilerServices;
 using System.Runtime.InteropServices;
diff --git a/MC6809/MC6809.UnitTest/RtsTests.cs b/MC6809/MC6809.UnitTest/RtsTests.cs
index b59a4d1..e2d9b3c 100644
--- a/MC6809/MC6809.UnitTest/RtsTests.cs
+++ b/MC6809/MC6809.UnitTest/RtsTests.cs
@@ -1,9 +1,12 @@
-namespace EightBit
+// <copyright file="RtsTests.cs" company="Adrian Conlon">
+// Copyright (c) Adrian Conlon. All rights reserved.
+// </copyright>
+
+namespace EightBit
 {
     using Microsoft.VisualStudio.TestTools.UnitTesting;
 
     // https://github.com/sorenroug/osnine-java/blob/master/core/src/test/java/org/roug/osnine/BranchAndJumpTest.java
-
     [TestClass]
     public class RtsTests
     {
diff --git a/MC6809/MC6809.UnitTest/SbcTests.cs b/MC6809/MC6809.UnitTest/SbcTests.cs
index 9334a0f..02a7f26 100644
--- a/MC6809/MC6809.UnitTest/SbcTests.cs
+++ b/MC6809/MC6809.UnitTest/SbcTests.cs
@@ -1,4 +1,8 @@
-namespace EightBit
+// <copyright file="SbcTests.cs" company="Adrian Conlon">
+// Copyright (c) Adrian Conlon. All rights reserved.
+// </copyright>
+
+namespace EightBit
 {
     using Microsoft.VisualStudio.TestTools.UnitTesting;
 
diff --git a/MC6809/MC6809.UnitTest/SubTests.cs b/MC6809/MC6809.UnitTest/SubTests.cs
index 8f87b38..5aead4c 100644
--- a/MC6809/MC6809.UnitTest/SubTests.cs
+++ b/MC6809/MC6809.UnitTest/SubTests.cs
@@ -1,4 +1,8 @@
-namespace EightBit
+// <copyright file="SubTests.cs" company="Adrian Conlon">
+// Copyright (c) Adrian Conlon. All rights reserved.
+// </copyright>
+
+namespace EightBit
 {
     using Microsoft.VisualStudio.TestTools.UnitTesting;
 
diff --git a/MC6809/MC6809.UnitTest/stylecop.json b/MC6809/MC6809.UnitTest/stylecop.json
new file mode 100644
index 0000000..3af08b4
--- /dev/null
+++ b/MC6809/MC6809.UnitTest/stylecop.json
@@ -0,0 +1,19 @@
+{
+  // ACTION REQUIRED: This file was automatically added to your project, but it
+  // will not take effect until additional steps are taken to enable it. See the
+  // following page for additional information:
+  //
+  // https://github.com/DotNetAnalyzers/StyleCopAnalyzers/blob/master/documentation/EnableConfiguration.md
+
+  "$schema": "https://raw.githubusercontent.com/DotNetAnalyzers/StyleCopAnalyzers/master/StyleCop.Analyzers/StyleCop.Analyzers/Settings/stylecop.schema.json",
+  "settings": {
+    "documentationRules": {
+      "documentInterfaces": false,
+      "documentExposedElements": false,
+      "documentInternalElements": false,
+      "documentPrivateElements": false,
+      "documentPrivateFields": false,
+      "companyName": "Adrian Conlon"
+    }
+  }
+}