diff --git a/build/773mod.vcxproj b/build/773mod.vcxproj
index 40ec78b2a..b98cc14fa 100644
--- a/build/773mod.vcxproj
+++ b/build/773mod.vcxproj
@@ -220,6 +220,9 @@
       <Project>{2d38a763-3d74-4338-9362-b891784ec90e}</Project>
     </ProjectReference>
   </ItemGroup>
+  <ItemGroup>
+    <ClInclude Include="..\src\m770\773100.h" />
+  </ItemGroup>
   <Import Project="$(VCTargetsPath)\Microsoft.Cpp.targets" />
   <ImportGroup Label="ExtensionTargets">
     <Import Project="CampoRules.targets" />
diff --git a/build/773mod.vcxproj.filters b/build/773mod.vcxproj.filters
index a12af4103..4f7526968 100644
--- a/build/773mod.vcxproj.filters
+++ b/build/773mod.vcxproj.filters
@@ -9,6 +9,9 @@
       <UniqueIdentifier>{5584d3c0-0cd0-4069-a267-194fd58de7d6}</UniqueIdentifier>
       <Extensions>uml</Extensions>
     </Filter>
+    <Filter Include="Headers">
+      <UniqueIdentifier>{58aa0135-baac-44dc-90ab-220fcda950ea}</UniqueIdentifier>
+    </Filter>
   </ItemGroup>
   <ItemGroup>
     <ClCompile Include="..\src\m770\773.cpp">
@@ -44,4 +47,9 @@
   <ItemGroup>
     <ResourceCompile Include="campo.rc" />
   </ItemGroup>
+  <ItemGroup>
+    <ClInclude Include="..\src\m770\773100.h">
+      <Filter>Headers</Filter>
+    </ClInclude>
+  </ItemGroup>
 </Project>
\ No newline at end of file
diff --git a/build/777.vcxproj b/build/777.vcxproj
index 082d4c66e..083bcbca1 100644
--- a/build/777.vcxproj
+++ b/build/777.vcxproj
@@ -172,6 +172,7 @@
     <MskCompiler Include="..\src\m770\777100a.uml" />
     <MskCompiler Include="..\src\m770\777200a.uml" />
     <MskCompiler Include="..\src\m770\777200b.uml" />
+    <MskCompiler Include="..\src\m770\777200c.uml" />
   </ItemGroup>
   <ItemGroup>
     <CustomBuildStep Include="..\Lib\AgaLib.lib">
@@ -202,6 +203,10 @@
       <Project>{2d38a763-3d74-4338-9362-b891784ec90e}</Project>
     </ProjectReference>
   </ItemGroup>
+  <ItemGroup>
+    <ClInclude Include="..\src\m770\777200a.h" />
+    <ClInclude Include="..\src\m770\777200c.h" />
+  </ItemGroup>
   <Import Project="$(VCTargetsPath)\Microsoft.Cpp.targets" />
   <ImportGroup Label="ExtensionTargets">
     <Import Project="CampoRules.targets" />
diff --git a/build/777.vcxproj.filters b/build/777.vcxproj.filters
index e821bc699..d78171c63 100644
--- a/build/777.vcxproj.filters
+++ b/build/777.vcxproj.filters
@@ -16,6 +16,9 @@
     <Filter Include="Libraries">
       <UniqueIdentifier>{9761a955-cba6-4477-90a3-3bd88f7aae8c}</UniqueIdentifier>
     </Filter>
+    <Filter Include="Headers">
+      <UniqueIdentifier>{a2038a57-a1c0-493a-8bc4-43ecc0c84817}</UniqueIdentifier>
+    </Filter>
   </ItemGroup>
   <ItemGroup>
     <ClCompile Include="..\src\m770\777.cpp">
@@ -59,6 +62,9 @@
     <MskCompiler Include="..\src\m770\777200b.uml">
       <Filter>Masks</Filter>
     </MskCompiler>
+    <MskCompiler Include="..\src\m770\777200c.uml">
+      <Filter>Masks</Filter>
+    </MskCompiler>
   </ItemGroup>
   <ItemGroup>
     <FormCompiler Include="..\src\m770\77qst.frm">
@@ -73,4 +79,12 @@
       <Filter>Libraries</Filter>
     </ResourceCompile>
   </ItemGroup>
+  <ItemGroup>
+    <ClInclude Include="..\src\m770\777200c.h">
+      <Filter>Headers</Filter>
+    </ClInclude>
+    <ClInclude Include="..\src\m770\777200a.h">
+      <Filter>Headers</Filter>
+    </ClInclude>
+  </ItemGroup>
 </Project>
\ No newline at end of file