diff --git a/source/Indy.IL2CPU.Tests/Assembler/X86/BaseTest.cs b/source/Indy.IL2CPU.Tests/Assembler/X86/BaseTest.cs
index f716d521d..888bad3ed 100644
--- a/source/Indy.IL2CPU.Tests/Assembler/X86/BaseTest.cs
+++ b/source/Indy.IL2CPU.Tests/Assembler/X86/BaseTest.cs
@@ -37,7 +37,7 @@ namespace Indy.IL2CPU.Tests.Assembler.X86 {
                     using (var xOut = new StringWriter()) {
                         Assembler.FlushText(xOut);
                         using (var xReader = new StreamReader(typeof(BaseTest).Assembly.GetManifestResourceStream(xManStreamName + ".asm"))) {
-                            Assert.AreEqual(xReader.ReadToEnd().Replace(' ', '_').Replace('\t', '_'), xOut.ToString().Replace(' ', '_').Replace('\t', '_'));
+                            Assert.AreEqual(xReader.ReadToEnd(), xOut.ToString());
                         }
                     }
                 }
diff --git a/source/Indy.IL2CPU.Tests/Assembler/X86/MoveTests.cs b/source/Indy.IL2CPU.Tests/Assembler/X86/MoveTests.cs
index 9634e5a52..92b703a11 100644
--- a/source/Indy.IL2CPU.Tests/Assembler/X86/MoveTests.cs
+++ b/source/Indy.IL2CPU.Tests/Assembler/X86/MoveTests.cs
@@ -34,6 +34,19 @@ namespace Indy.IL2CPU.Tests.Assembler.X86 {
             Verify();
         }
 
+        [Test]
+        public void TestImmediateToRegister8() {
+            new Move { DestinationReg = Registers.AL, SourceValue = 1 };
+            new Move { DestinationReg = Registers.BL, SourceValue = 2 };
+            new Move { DestinationReg = Registers.CL, SourceValue = 3 };
+            new Move { DestinationReg = Registers.DL, SourceValue = 4 };
+            new Move { DestinationReg = Registers.AH, SourceValue = 1 };
+            new Move { DestinationReg = Registers.BH, SourceValue = 2 };
+            new Move { DestinationReg = Registers.CH, SourceValue = 3 };
+            new Move { DestinationReg = Registers.DH, SourceValue = 4 };
+            Verify();
+        }
+
         [Test]
         public void TestImmediateToMemorySimple8() {
             new Move { Size = 8, DestinationReg = Registers.EAX, DestinationIsIndirect = true, SourceValue = 65 };
diff --git a/source/Indy.IL2CPU.Tests/Assembler/X86/VerificationData/MoveTests/ImmediateToRegister8.asm b/source/Indy.IL2CPU.Tests/Assembler/X86/VerificationData/MoveTests/ImmediateToRegister8.asm
new file mode 100644
index 000000000..2bd1f835c
--- /dev/null
+++ b/source/Indy.IL2CPU.Tests/Assembler/X86/VerificationData/MoveTests/ImmediateToRegister8.asm
@@ -0,0 +1,10 @@
+use32
+org 0x200000
+			mov byte AL, 0x1
+			mov byte BL, 0x2
+			mov byte CL, 0x3
+			mov byte DL, 0x4
+			mov byte AH, 0x1
+			mov byte BH, 0x2
+			mov byte CH, 0x3
+			mov byte DH, 0x4
diff --git a/source/Indy.IL2CPU.Tests/Assembler/X86/VerificationData/MoveTests/ImmediateToRegister8.bin b/source/Indy.IL2CPU.Tests/Assembler/X86/VerificationData/MoveTests/ImmediateToRegister8.bin
new file mode 100644
index 000000000..10e1d09f0
--- /dev/null
+++ b/source/Indy.IL2CPU.Tests/Assembler/X86/VerificationData/MoveTests/ImmediateToRegister8.bin
@@ -0,0 +1 @@
+°
³±²´
ᵦ
\ No newline at end of file
diff --git a/source/Indy.IL2CPU.Tests/Indy.IL2CPU.Tests.csproj b/source/Indy.IL2CPU.Tests/Indy.IL2CPU.Tests.csproj
index feec3327a..6503c220a 100644
--- a/source/Indy.IL2CPU.Tests/Indy.IL2CPU.Tests.csproj
+++ b/source/Indy.IL2CPU.Tests/Indy.IL2CPU.Tests.csproj
@@ -73,6 +73,12 @@
   <ItemGroup>
     <EmbeddedResource Include="Assembler\X86\VerificationData\MoveTests\ImmediateToRegister16.bin" />
   </ItemGroup>
+  <ItemGroup>
+    <EmbeddedResource Include="Assembler\X86\VerificationData\MoveTests\ImmediateToRegister8.bin" />
+  </ItemGroup>
+  <ItemGroup>
+    <EmbeddedResource Include="Assembler\X86\VerificationData\MoveTests\ImmediateToRegister8.asm" />
+  </ItemGroup>
   <Import Project="$(MSBuildToolsPath)\Microsoft.CSharp.targets" />
   <!-- To modify your build process, add your task inside one of the targets below and uncomment it. 
        Other similar extension points exist, see Microsoft.Common.targets.
diff --git a/source/Playgrounds/Matthijs/TestApp/Program.cs b/source/Playgrounds/Matthijs/TestApp/Program.cs
index 398fa98ca..10f6fda21 100644
--- a/source/Playgrounds/Matthijs/TestApp/Program.cs
+++ b/source/Playgrounds/Matthijs/TestApp/Program.cs
@@ -1,4 +1,4 @@
-#define BINARY
+//#define BINARY
 using System;
 using System.Collections.Generic;
 using System.Linq;
@@ -12,14 +12,14 @@ namespace TestApp {
     class Program {
         class Renderer : Y86 {
             public void DoRender() {
-                new Move { DestinationReg = Registers.AX, SourceValue = 1 };
-                new Move { DestinationReg = Registers.BX, SourceValue = 2 };
-                new Move { DestinationReg = Registers.CX, SourceValue = 3 };
-                new Move { DestinationReg = Registers.DX, SourceValue = 4 };
-                new Move { DestinationReg = Registers.SI, SourceValue = 5 };
-                new Move { DestinationReg = Registers.DI, SourceValue = 6 };
-                new Move { DestinationReg = Registers.SP, SourceValue = 6 };
-                new Move { DestinationReg = Registers.BP, SourceValue = 6 };
+                new Move { DestinationReg = Registers.AL, SourceValue = 1 };
+                new Move { DestinationReg = Registers.BL, SourceValue = 2 };
+                new Move { DestinationReg = Registers.CL, SourceValue = 3 };
+                new Move { DestinationReg = Registers.DL, SourceValue = 4 };
+                new Move { DestinationReg = Registers.AH, SourceValue = 1 };
+                new Move { DestinationReg = Registers.BH, SourceValue = 2 };
+                new Move { DestinationReg = Registers.CH, SourceValue = 3 };
+                new Move { DestinationReg = Registers.DH, SourceValue = 4 };
             }
         }
         static void Main(string[] args) {