diff --git a/.gitignore b/.gitignore
index bd3d33d..5845692 100644
--- a/.gitignore
+++ b/.gitignore
@@ -111,3 +111,4 @@ build/uwp/studio/Release/
 build/uwp/studio/Release Pro/
 build/uwp/studio/ARM/
 build/uwp/studio/x64/
+build/windows/studio/x64/
diff --git a/build/windows/studio/studio.vcxproj b/build/windows/studio/studio.vcxproj
index 32b1618..ea20fd2 100644
--- a/build/windows/studio/studio.vcxproj
+++ b/build/windows/studio/studio.vcxproj
@@ -168,7 +168,7 @@
       </PrecompiledHeader>
       <WarningLevel>Level3</WarningLevel>
       <Optimization>Disabled</Optimization>
-      <PreprocessorDefinitions>WIN32;_DEBUG;_WINDOWS;_USRDLL;STUDIO_EXPORTS;%(PreprocessorDefinitions)</PreprocessorDefinitions>
+      <PreprocessorDefinitions>TIC80_PRO;WIN32;_DEBUG;_WINDOWS;_USRDLL;STUDIO_EXPORTS;%(PreprocessorDefinitions)</PreprocessorDefinitions>
       <AdditionalIncludeDirectories>..\include;..\..\..\include;..\..\..\3rd-party\lua-5.3.1\src;..\..\..\3rd-party\giflib-5.1.4\lib;..\..\..\3rd-party\zlib-1.2.8;..\..\..\3rd-party\SDL2-2.0.7\include;..\..\..\3rd-party\wren-0.1.0\src\include</AdditionalIncludeDirectories>
       <RuntimeLibrary>MultiThreadedDebug</RuntimeLibrary>
     </ClCompile>
@@ -198,7 +198,7 @@
       </PrecompiledHeader>
       <WarningLevel>Level3</WarningLevel>
       <Optimization>Disabled</Optimization>
-      <PreprocessorDefinitions>_DEBUG;_WINDOWS;_USRDLL;STUDIO_EXPORTS;%(PreprocessorDefinitions)</PreprocessorDefinitions>
+      <PreprocessorDefinitions>TIC80_PRO;_DEBUG;_WINDOWS;_USRDLL;STUDIO_EXPORTS;%(PreprocessorDefinitions)</PreprocessorDefinitions>
       <AdditionalIncludeDirectories>..\include;..\..\..\include;..\..\..\3rd-party\lua-5.3.1\src;..\..\..\3rd-party\giflib-5.1.4\lib;..\..\..\3rd-party\zlib-1.2.8;..\..\..\3rd-party\SDL2-2.0.7\include;..\..\..\3rd-party\wren-0.1.0\src\include</AdditionalIncludeDirectories>
       <RuntimeLibrary>MultiThreadedDebug</RuntimeLibrary>
     </ClCompile>
@@ -234,7 +234,7 @@
       <Optimization>MaxSpeed</Optimization>
       <FunctionLevelLinking>true</FunctionLevelLinking>
       <IntrinsicFunctions>true</IntrinsicFunctions>
-      <PreprocessorDefinitions>WIN32;NDEBUG;_WINDOWS;_USRDLL;STUDIO_EXPORTS;%(PreprocessorDefinitions)</PreprocessorDefinitions>
+      <PreprocessorDefinitions>TIC80_PRO;WIN32;NDEBUG;_WINDOWS;_USRDLL;STUDIO_EXPORTS;%(PreprocessorDefinitions)</PreprocessorDefinitions>
       <AdditionalIncludeDirectories>..\include;..\..\..\include;..\..\..\3rd-party\lua-5.3.1\src;..\..\..\3rd-party\giflib-5.1.4\lib;..\..\..\3rd-party\zlib-1.2.8;..\..\..\3rd-party\SDL2-2.0.7\include;..\..\..\3rd-party\wren-0.1.0\src\include</AdditionalIncludeDirectories>
       <RuntimeLibrary>MultiThreaded</RuntimeLibrary>
     </ClCompile>
@@ -272,7 +272,7 @@
       <Optimization>MaxSpeed</Optimization>
       <FunctionLevelLinking>true</FunctionLevelLinking>
       <IntrinsicFunctions>true</IntrinsicFunctions>
-      <PreprocessorDefinitions>NDEBUG;_WINDOWS;_USRDLL;STUDIO_EXPORTS;%(PreprocessorDefinitions)</PreprocessorDefinitions>
+      <PreprocessorDefinitions>TIC80_PRO;NDEBUG;_WINDOWS;_USRDLL;STUDIO_EXPORTS;%(PreprocessorDefinitions)</PreprocessorDefinitions>
       <AdditionalIncludeDirectories>..\include;..\..\..\include;..\..\..\3rd-party\lua-5.3.1\src;..\..\..\3rd-party\giflib-5.1.4\lib;..\..\..\3rd-party\zlib-1.2.8;..\..\..\3rd-party\SDL2-2.0.7\include;..\..\..\3rd-party\wren-0.1.0\src\include</AdditionalIncludeDirectories>
       <RuntimeLibrary>MultiThreaded</RuntimeLibrary>
     </ClCompile>