diff --git a/EightBit.sln b/EightBit.sln
index 132f285..5b626bb 100644
--- a/EightBit.sln
+++ b/EightBit.sln
@@ -21,6 +21,8 @@ Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "Intel8080.Test", "Intel8080
 EndProject
 Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "MC6809", "MC6809\MC6809.csproj", "{3A63972B-AB50-4A01-8A10-0D2165580FAD}"
 EndProject
+Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "MC6809.UnitTest", "MC6809\MC6809.UnitTest\MC6809.UnitTest.csproj", "{4391A363-ECEF-44C8-9335-BF6ECB811E4B}"
+EndProject
 Global
 	GlobalSection(SolutionConfigurationPlatforms) = preSolution
 		Debug|Any CPU = Debug|Any CPU
@@ -139,6 +141,18 @@ Global
 		{3A63972B-AB50-4A01-8A10-0D2165580FAD}.Release|x64.Build.0 = Release|Any CPU
 		{3A63972B-AB50-4A01-8A10-0D2165580FAD}.Release|x86.ActiveCfg = Release|Any CPU
 		{3A63972B-AB50-4A01-8A10-0D2165580FAD}.Release|x86.Build.0 = Release|Any CPU
+		{4391A363-ECEF-44C8-9335-BF6ECB811E4B}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
+		{4391A363-ECEF-44C8-9335-BF6ECB811E4B}.Debug|Any CPU.Build.0 = Debug|Any CPU
+		{4391A363-ECEF-44C8-9335-BF6ECB811E4B}.Debug|x64.ActiveCfg = Debug|Any CPU
+		{4391A363-ECEF-44C8-9335-BF6ECB811E4B}.Debug|x64.Build.0 = Debug|Any CPU
+		{4391A363-ECEF-44C8-9335-BF6ECB811E4B}.Debug|x86.ActiveCfg = Debug|Any CPU
+		{4391A363-ECEF-44C8-9335-BF6ECB811E4B}.Debug|x86.Build.0 = Debug|Any CPU
+		{4391A363-ECEF-44C8-9335-BF6ECB811E4B}.Release|Any CPU.ActiveCfg = Release|Any CPU
+		{4391A363-ECEF-44C8-9335-BF6ECB811E4B}.Release|Any CPU.Build.0 = Release|Any CPU
+		{4391A363-ECEF-44C8-9335-BF6ECB811E4B}.Release|x64.ActiveCfg = Release|Any CPU
+		{4391A363-ECEF-44C8-9335-BF6ECB811E4B}.Release|x64.Build.0 = Release|Any CPU
+		{4391A363-ECEF-44C8-9335-BF6ECB811E4B}.Release|x86.ActiveCfg = Release|Any CPU
+		{4391A363-ECEF-44C8-9335-BF6ECB811E4B}.Release|x86.Build.0 = Release|Any CPU
 	EndGlobalSection
 	GlobalSection(SolutionProperties) = preSolution
 		HideSolutionNode = FALSE