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@@ -35,6 +35,7 @@
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@@ -45,6 +46,7 @@
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diff --git a/Intel8080/src/Intel8080.vcxproj b/Intel8080/src/Intel8080.vcxproj
index 435fa66..8248425 100644
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@@ -36,6 +36,7 @@
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       <LanguageStandard>stdcpp20</LanguageStandard>
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diff --git a/Intel8080/test/test_Intel8080.vcxproj b/Intel8080/test/test_Intel8080.vcxproj
index a32a194..57e36a1 100644
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@@ -34,6 +34,7 @@
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@@ -43,6 +44,7 @@
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+      <BufferSecurityCheck>false</BufferSecurityCheck>
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index c22869e..e976740 100644
--- a/LR35902/fusetest_LR35902/fusetest_LR35902.vcxproj
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@@ -34,6 +34,7 @@
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   <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Release|Win32'" Label="Configuration">
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@@ -43,6 +44,7 @@
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diff --git a/LR35902/src/LR35902.vcxproj b/LR35902/src/LR35902.vcxproj
index 0439879..9fd4d3c 100644
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@@ -34,6 +34,7 @@
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index 3432585..5c106f7 100644
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@@ -35,6 +35,7 @@
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   <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Release|Win32'" Label="Configuration">
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@@ -44,6 +45,7 @@
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   <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Release|x64'" Label="Configuration">
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diff --git a/M6502/src/M6502.vcxproj b/M6502/src/M6502.vcxproj
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@@ -35,6 +35,7 @@
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     <Link>
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diff --git a/M6502/test/test_M6502.vcxproj b/M6502/test/test_M6502.vcxproj
index 24efe90..0b102c4 100644
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@@ -34,6 +34,7 @@
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diff --git a/M6532/src/M6532.vcxproj b/M6532/src/M6532.vcxproj
index 574ef7d..e359b0f 100644
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diff --git a/MC6809/src/MC6809.vcxproj b/MC6809/src/MC6809.vcxproj
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diff --git a/MC6809/test/test_MC6809.vcxproj b/MC6809/test/test_MC6809.vcxproj
index aa25d10..6f062c3 100644
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@@ -34,6 +34,7 @@
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diff --git a/MC6809/unittest/unittest_MC6809.vcxproj b/MC6809/unittest/unittest_MC6809.vcxproj
index 6c3aaad..8f37b71 100644
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@@ -34,6 +34,7 @@
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diff --git a/MC6850/src/MC6850.vcxproj b/MC6850/src/MC6850.vcxproj
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     <ConfigurationType>StaticLibrary</ConfigurationType>
     <PlatformToolset>v145</PlatformToolset>
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   <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Debug|x64'" Label="Configuration">
     <ConfigurationType>StaticLibrary</ConfigurationType>
@@ -45,6 +46,7 @@
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     <ConfigurationType>StaticLibrary</ConfigurationType>
     <PlatformToolset>v145</PlatformToolset>
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   <Import Project="$(VCTargetsPath)\Microsoft.Cpp.props" />
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       <PrecompiledHeaderFile>pch.h</PrecompiledHeaderFile>
       <LanguageStandard>stdcpp20</LanguageStandard>
       <AdditionalOptions>/Zc:__cplusplus %(AdditionalOptions)</AdditionalOptions>
+      <FavorSizeOrSpeed>Speed</FavorSizeOrSpeed>
+      <BufferSecurityCheck>false</BufferSecurityCheck>
+      <EnableEnhancedInstructionSet>AdvancedVectorExtensions</EnableEnhancedInstructionSet>
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     <Link>
       <SubSystem>Console</SubSystem>
@@ -136,6 +142,10 @@
       <PrecompiledHeaderFile>pch.h</PrecompiledHeaderFile>
       <LanguageStandard>stdcpp20</LanguageStandard>
       <AdditionalOptions>/Zc:__cplusplus %(AdditionalOptions)</AdditionalOptions>
+      <FavorSizeOrSpeed>Speed</FavorSizeOrSpeed>
+      <BufferSecurityCheck>false</BufferSecurityCheck>
+      <EnableEnhancedInstructionSet>AdvancedVectorExtensions</EnableEnhancedInstructionSet>
+      <FloatingPointModel>Fast</FloatingPointModel>
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     <Link>
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diff --git a/Ricoh2A03/src/Ricoh2A03.vcxproj b/Ricoh2A03/src/Ricoh2A03.vcxproj
index 5b12bc0..3180a1d 100644
--- a/Ricoh2A03/src/Ricoh2A03.vcxproj
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@@ -34,6 +34,7 @@
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     <ConfigurationType>StaticLibrary</ConfigurationType>
     <PlatformToolset>v145</PlatformToolset>
+    <WholeProgramOptimization>true</WholeProgramOptimization>
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   <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Debug|x64'" Label="Configuration">
     <ConfigurationType>StaticLibrary</ConfigurationType>
@@ -44,6 +45,7 @@
   <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Release|x64'" Label="Configuration">
     <ConfigurationType>StaticLibrary</ConfigurationType>
     <PlatformToolset>v145</PlatformToolset>
+    <WholeProgramOptimization>true</WholeProgramOptimization>
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   <Import Project="$(VCTargetsPath)\Microsoft.Cpp.props" />
   <ImportGroup Label="ExtensionSettings">
@@ -81,6 +83,10 @@
       <PrecompiledHeader>Use</PrecompiledHeader>
       <LanguageStandard>stdcpp20</LanguageStandard>
       <AdditionalOptions>/Zc:__cplusplus %(AdditionalOptions)</AdditionalOptions>
+      <FavorSizeOrSpeed>Speed</FavorSizeOrSpeed>
+      <BufferSecurityCheck>false</BufferSecurityCheck>
+      <EnableEnhancedInstructionSet>AdvancedVectorExtensions</EnableEnhancedInstructionSet>
+      <FloatingPointModel>Fast</FloatingPointModel>
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     <Link>
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@@ -113,6 +119,10 @@
       <PrecompiledHeader>Use</PrecompiledHeader>
       <LanguageStandard>stdcpp20</LanguageStandard>
       <AdditionalOptions>/Zc:__cplusplus %(AdditionalOptions)</AdditionalOptions>
+      <FavorSizeOrSpeed>Speed</FavorSizeOrSpeed>
+      <BufferSecurityCheck>false</BufferSecurityCheck>
+      <EnableEnhancedInstructionSet>AdvancedVectorExtensions</EnableEnhancedInstructionSet>
+      <FloatingPointModel>Fast</FloatingPointModel>
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     <Link>
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diff --git a/Z80/HarteTest_Z80/HarteTest_Z80.vcxproj b/Z80/HarteTest_Z80/HarteTest_Z80.vcxproj
index 485f085..abbb947 100644
--- a/Z80/HarteTest_Z80/HarteTest_Z80.vcxproj
+++ b/Z80/HarteTest_Z80/HarteTest_Z80.vcxproj
@@ -34,6 +34,7 @@
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   <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Release|Win32'" Label="Configuration">
     <PlatformToolset>v145</PlatformToolset>
+    <WholeProgramOptimization>true</WholeProgramOptimization>
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   <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Debug|x64'" Label="Configuration">
     <ConfigurationType>Application</ConfigurationType>
@@ -43,6 +44,7 @@
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   <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Release|x64'" Label="Configuration">
     <PlatformToolset>v145</PlatformToolset>
+    <WholeProgramOptimization>true</WholeProgramOptimization>
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   <Import Project="$(VCTargetsPath)\Microsoft.Cpp.props" />
   <ImportGroup Label="ExtensionSettings">
@@ -92,6 +94,10 @@
       <WarningLevel>Level3</WarningLevel>
       <PreprocessorDefinitions>WIN32;NDEBUG;_CONSOLE;%(PreprocessorDefinitions)</PreprocessorDefinitions>
       <LanguageStandard>stdcpp20</LanguageStandard>
+      <FavorSizeOrSpeed>Speed</FavorSizeOrSpeed>
+      <BufferSecurityCheck>false</BufferSecurityCheck>
+      <EnableEnhancedInstructionSet>AdvancedVectorExtensions</EnableEnhancedInstructionSet>
+      <FloatingPointModel>Fast</FloatingPointModel>
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     <Link>
       <GenerateDebugInformation>true</GenerateDebugInformation>
@@ -115,6 +121,10 @@
       <WarningLevel>Level3</WarningLevel>
       <PreprocessorDefinitions>NDEBUG;_CONSOLE;%(PreprocessorDefinitions)</PreprocessorDefinitions>
       <LanguageStandard>stdcpp20</LanguageStandard>
+      <FavorSizeOrSpeed>Speed</FavorSizeOrSpeed>
+      <BufferSecurityCheck>false</BufferSecurityCheck>
+      <EnableEnhancedInstructionSet>AdvancedVectorExtensions</EnableEnhancedInstructionSet>
+      <FloatingPointModel>Fast</FloatingPointModel>
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     <Link>
       <GenerateDebugInformation>true</GenerateDebugInformation>
diff --git a/Z80/fusetest_Z80/fusetest_Z80.vcxproj b/Z80/fusetest_Z80/fusetest_Z80.vcxproj
index 9188581..312c973 100644
--- a/Z80/fusetest_Z80/fusetest_Z80.vcxproj
+++ b/Z80/fusetest_Z80/fusetest_Z80.vcxproj
@@ -35,6 +35,7 @@
   </PropertyGroup>
   <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Release|Win32'" Label="Configuration">
     <PlatformToolset>v145</PlatformToolset>
+    <WholeProgramOptimization>true</WholeProgramOptimization>
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   <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Debug|x64'" Label="Configuration">
     <ConfigurationType>Application</ConfigurationType>
@@ -44,6 +45,7 @@
   </PropertyGroup>
   <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Release|x64'" Label="Configuration">
     <PlatformToolset>v145</PlatformToolset>
+    <WholeProgramOptimization>true</WholeProgramOptimization>
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   <Import Project="$(VCTargetsPath)\Microsoft.Cpp.props" />
   <ImportGroup Label="ExtensionSettings">
@@ -86,6 +88,10 @@
       <PreprocessorDefinitions>NDEBUG;_CONSOLE;%(PreprocessorDefinitions)</PreprocessorDefinitions>
       <LanguageStandard>stdcpp20</LanguageStandard>
       <AdditionalOptions>/Zc:__cplusplus %(AdditionalOptions)</AdditionalOptions>
+      <FavorSizeOrSpeed>Speed</FavorSizeOrSpeed>
+      <BufferSecurityCheck>false</BufferSecurityCheck>
+      <EnableEnhancedInstructionSet>AdvancedVectorExtensions</EnableEnhancedInstructionSet>
+      <FloatingPointModel>Fast</FloatingPointModel>
     </ClCompile>
     <Link>
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@@ -126,6 +132,10 @@
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       <LanguageStandard>stdcpp20</LanguageStandard>
       <AdditionalOptions>/Zc:__cplusplus %(AdditionalOptions)</AdditionalOptions>
+      <FavorSizeOrSpeed>Speed</FavorSizeOrSpeed>
+      <BufferSecurityCheck>false</BufferSecurityCheck>
+      <EnableEnhancedInstructionSet>AdvancedVectorExtensions</EnableEnhancedInstructionSet>
+      <FloatingPointModel>Fast</FloatingPointModel>
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     <Link>
       <EnableCOMDATFolding>true</EnableCOMDATFolding>
diff --git a/Z80/src/Z80.vcxproj b/Z80/src/Z80.vcxproj
index c110f06..e2772ea 100644
--- a/Z80/src/Z80.vcxproj
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@@ -35,6 +35,7 @@
   <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Release|Win32'" Label="Configuration">
     <ConfigurationType>StaticLibrary</ConfigurationType>
     <PlatformToolset>v145</PlatformToolset>
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   <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Debug|x64'" Label="Configuration">
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@@ -45,6 +46,7 @@
   <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Release|x64'" Label="Configuration">
     <ConfigurationType>StaticLibrary</ConfigurationType>
     <PlatformToolset>v145</PlatformToolset>
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   <Import Project="$(VCTargetsPath)\Microsoft.Cpp.props" />
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       <PreprocessorDefinitions>NDEBUG;_LIB;%(PreprocessorDefinitions)</PreprocessorDefinitions>
       <LanguageStandard>stdcpp20</LanguageStandard>
       <AdditionalOptions>/Zc:__cplusplus %(AdditionalOptions)</AdditionalOptions>
+      <FavorSizeOrSpeed>Speed</FavorSizeOrSpeed>
+      <BufferSecurityCheck>false</BufferSecurityCheck>
+      <EnableEnhancedInstructionSet>AdvancedVectorExtensions</EnableEnhancedInstructionSet>
+      <FloatingPointModel>Fast</FloatingPointModel>
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     <Link>
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@@ -125,6 +131,10 @@
       <PreprocessorDefinitions>WIN32;NDEBUG;_LIB;%(PreprocessorDefinitions)</PreprocessorDefinitions>
       <LanguageStandard>stdcpp20</LanguageStandard>
       <AdditionalOptions>/Zc:__cplusplus %(AdditionalOptions)</AdditionalOptions>
+      <FavorSizeOrSpeed>Speed</FavorSizeOrSpeed>
+      <BufferSecurityCheck>false</BufferSecurityCheck>
+      <EnableEnhancedInstructionSet>AdvancedVectorExtensions</EnableEnhancedInstructionSet>
+      <FloatingPointModel>Fast</FloatingPointModel>
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     <Link>
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diff --git a/Z80/test/test_Z80.vcxproj b/Z80/test/test_Z80.vcxproj
index a0e212e..0de362d 100644
--- a/Z80/test/test_Z80.vcxproj
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@@ -33,6 +33,7 @@
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   <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Release|Win32'" Label="Configuration">
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   <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Debug|x64'" Label="Configuration">
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@@ -41,6 +42,7 @@
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   <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Release|x64'" Label="Configuration">
     <PlatformToolset>v145</PlatformToolset>
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   <Import Project="$(VCTargetsPath)\Microsoft.Cpp.props" />
   <ImportGroup Label="ExtensionSettings">
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       <PreprocessorDefinitions>NDEBUG;_LIB;%(PreprocessorDefinitions)</PreprocessorDefinitions>
       <LanguageStandard>stdcpp20</LanguageStandard>
       <AdditionalOptions>/Zc:__cplusplus %(AdditionalOptions)</AdditionalOptions>
+      <FavorSizeOrSpeed>Speed</FavorSizeOrSpeed>
+      <BufferSecurityCheck>false</BufferSecurityCheck>
+      <EnableEnhancedInstructionSet>AdvancedVectorExtensions</EnableEnhancedInstructionSet>
+      <FloatingPointModel>Fast</FloatingPointModel>
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     <Link>
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       <LanguageStandard>stdcpp20</LanguageStandard>
       <AdditionalOptions>/Zc:__cplusplus %(AdditionalOptions)</AdditionalOptions>
+      <FavorSizeOrSpeed>Speed</FavorSizeOrSpeed>
+      <BufferSecurityCheck>false</BufferSecurityCheck>
+      <EnableEnhancedInstructionSet>AdvancedVectorExtensions</EnableEnhancedInstructionSet>
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     <Link>
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diff --git a/src/EightBit.vcxproj b/src/EightBit.vcxproj
index 6e885a5..9a61237 100644
--- a/src/EightBit.vcxproj
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@@ -35,6 +35,7 @@
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     <ConfigurationType>StaticLibrary</ConfigurationType>
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   <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Debug|x64'" Label="Configuration">
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@@ -45,6 +46,7 @@
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     <ConfigurationType>StaticLibrary</ConfigurationType>
     <PlatformToolset>v145</PlatformToolset>
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       <LanguageStandard>stdcpp20</LanguageStandard>
       <AdditionalOptions>/Zc:__cplusplus %(AdditionalOptions)</AdditionalOptions>
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       <LanguageStandard>stdcpp20</LanguageStandard>
       <AdditionalOptions>/Zc:__cplusplus %(AdditionalOptions)</AdditionalOptions>
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