diff --git a/ports/sdl1/CONTROL b/ports/sdl1/CONTROL
index 071725f3eac..808fef451af 100644
--- a/ports/sdl1/CONTROL
+++ b/ports/sdl1/CONTROL
@@ -1,3 +1,3 @@
 Source: sdl1
-Version: 1.2.15-8
+Version: 1.2.15-9
 Description: Simple DirectMedia Layer is a cross-platform development library designed to provide low level access to audio, keyboard, mouse, joystick, and graphics hardware via OpenGL and Direct3D.
diff --git a/ports/sdl1/SDL1_2017.sln b/ports/sdl1/SDL1_2017.sln
index a255cb6aad1..ff6de0860b8 100644
--- a/ports/sdl1/SDL1_2017.sln
+++ b/ports/sdl1/SDL1_2017.sln
@@ -8,34 +8,49 @@ Project("{8BC9CEB8-8B4A-11D0-8D11-00A0C91BC942}") = "SDLmain", "SDLmain\SDLmain.
 EndProject
 Global
 	GlobalSection(SolutionConfigurationPlatforms) = preSolution
+		Debug|ARM64 = Debug|ARM64
 		Debug|Win32 = Debug|Win32
 		Debug|x64 = Debug|x64
+		Release_NoSTDIO|ARM64 = Release_NoSTDIO|ARM64
 		Release_NoSTDIO|Win32 = Release_NoSTDIO|Win32
 		Release_NoSTDIO|x64 = Release_NoSTDIO|x64
+		Release|ARM64 = Release|ARM64
 		Release|Win32 = Release|Win32
 		Release|x64 = Release|x64
 	EndGlobalSection
 	GlobalSection(ProjectConfigurationPlatforms) = postSolution
+		{81CE8DAF-EBB2-4761-8E45-B71ABCCA8C68}.Debug|ARM64.ActiveCfg = Debug|ARM64
+		{81CE8DAF-EBB2-4761-8E45-B71ABCCA8C68}.Debug|ARM64.Build.0 = Debug|ARM64
 		{81CE8DAF-EBB2-4761-8E45-B71ABCCA8C68}.Debug|Win32.ActiveCfg = Debug|Win32
 		{81CE8DAF-EBB2-4761-8E45-B71ABCCA8C68}.Debug|Win32.Build.0 = Debug|Win32
 		{81CE8DAF-EBB2-4761-8E45-B71ABCCA8C68}.Debug|x64.ActiveCfg = Debug|x64
 		{81CE8DAF-EBB2-4761-8E45-B71ABCCA8C68}.Debug|x64.Build.0 = Debug|x64
+		{81CE8DAF-EBB2-4761-8E45-B71ABCCA8C68}.Release_NoSTDIO|ARM64.ActiveCfg = Release|ARM64
+		{81CE8DAF-EBB2-4761-8E45-B71ABCCA8C68}.Release_NoSTDIO|ARM64.Build.0 = Release|ARM64
 		{81CE8DAF-EBB2-4761-8E45-B71ABCCA8C68}.Release_NoSTDIO|Win32.ActiveCfg = Release|Win32
 		{81CE8DAF-EBB2-4761-8E45-B71ABCCA8C68}.Release_NoSTDIO|Win32.Build.0 = Release|Win32
 		{81CE8DAF-EBB2-4761-8E45-B71ABCCA8C68}.Release_NoSTDIO|x64.ActiveCfg = Release|x64
 		{81CE8DAF-EBB2-4761-8E45-B71ABCCA8C68}.Release_NoSTDIO|x64.Build.0 = Release|x64
+		{81CE8DAF-EBB2-4761-8E45-B71ABCCA8C68}.Release|ARM64.ActiveCfg = Release|ARM64
+		{81CE8DAF-EBB2-4761-8E45-B71ABCCA8C68}.Release|ARM64.Build.0 = Release|ARM64
 		{81CE8DAF-EBB2-4761-8E45-B71ABCCA8C68}.Release|Win32.ActiveCfg = Release|Win32
 		{81CE8DAF-EBB2-4761-8E45-B71ABCCA8C68}.Release|Win32.Build.0 = Release|Win32
 		{81CE8DAF-EBB2-4761-8E45-B71ABCCA8C68}.Release|x64.ActiveCfg = Release|x64
 		{81CE8DAF-EBB2-4761-8E45-B71ABCCA8C68}.Release|x64.Build.0 = Release|x64
+		{DA956FD3-E142-46F2-9DD5-C78BEBB56B7A}.Debug|ARM64.ActiveCfg = Debug|ARM64
+		{DA956FD3-E142-46F2-9DD5-C78BEBB56B7A}.Debug|ARM64.Build.0 = Debug|ARM64
 		{DA956FD3-E142-46F2-9DD5-C78BEBB56B7A}.Debug|Win32.ActiveCfg = Debug|Win32
 		{DA956FD3-E142-46F2-9DD5-C78BEBB56B7A}.Debug|Win32.Build.0 = Debug|Win32
 		{DA956FD3-E142-46F2-9DD5-C78BEBB56B7A}.Debug|x64.ActiveCfg = Debug|x64
 		{DA956FD3-E142-46F2-9DD5-C78BEBB56B7A}.Debug|x64.Build.0 = Debug|x64
+		{DA956FD3-E142-46F2-9DD5-C78BEBB56B7A}.Release_NoSTDIO|ARM64.ActiveCfg = Release_NoSTDIO|ARM64
+		{DA956FD3-E142-46F2-9DD5-C78BEBB56B7A}.Release_NoSTDIO|ARM64.Build.0 = Release_NoSTDIO|ARM64
 		{DA956FD3-E142-46F2-9DD5-C78BEBB56B7A}.Release_NoSTDIO|Win32.ActiveCfg = Release_NoSTDIO|Win32
 		{DA956FD3-E142-46F2-9DD5-C78BEBB56B7A}.Release_NoSTDIO|Win32.Build.0 = Release_NoSTDIO|Win32
 		{DA956FD3-E142-46F2-9DD5-C78BEBB56B7A}.Release_NoSTDIO|x64.ActiveCfg = Release_NoSTDIO|x64
 		{DA956FD3-E142-46F2-9DD5-C78BEBB56B7A}.Release_NoSTDIO|x64.Build.0 = Release_NoSTDIO|x64
+		{DA956FD3-E142-46F2-9DD5-C78BEBB56B7A}.Release|ARM64.ActiveCfg = Release|ARM64
+		{DA956FD3-E142-46F2-9DD5-C78BEBB56B7A}.Release|ARM64.Build.0 = Release|ARM64
 		{DA956FD3-E142-46F2-9DD5-C78BEBB56B7A}.Release|Win32.ActiveCfg = Release|Win32
 		{DA956FD3-E142-46F2-9DD5-C78BEBB56B7A}.Release|Win32.Build.0 = Release|Win32
 		{DA956FD3-E142-46F2-9DD5-C78BEBB56B7A}.Release|x64.ActiveCfg = Release|x64
diff --git a/ports/sdl1/SDL_dynamic.vcxproj b/ports/sdl1/SDL_dynamic.vcxproj
index a1ba6076060..f6c3873f213 100644
--- a/ports/sdl1/SDL_dynamic.vcxproj
+++ b/ports/sdl1/SDL_dynamic.vcxproj
@@ -1,6 +1,10 @@
 <?xml version="1.0" encoding="utf-8"?>
 <Project DefaultTargets="Build" ToolsVersion="15.0" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
   <ItemGroup Label="ProjectConfigurations">
+    <ProjectConfiguration Include="Debug|ARM64">
+      <Configuration>Debug</Configuration>
+      <Platform>ARM64</Platform>
+    </ProjectConfiguration>
     <ProjectConfiguration Include="Debug|Win32">
       <Configuration>Debug</Configuration>
       <Platform>Win32</Platform>
@@ -9,6 +13,10 @@
       <Configuration>Debug</Configuration>
       <Platform>x64</Platform>
     </ProjectConfiguration>
+    <ProjectConfiguration Include="Release|ARM64">
+      <Configuration>Release</Configuration>
+      <Platform>ARM64</Platform>
+    </ProjectConfiguration>
     <ProjectConfiguration Include="Release|Win32">
       <Configuration>Release</Configuration>
       <Platform>Win32</Platform>
@@ -38,11 +46,21 @@
     <PlatformToolset>v141</PlatformToolset>
     <UseOfMfc>false</UseOfMfc>
   </PropertyGroup>
+  <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Release|ARM64'" Label="Configuration">
+    <ConfigurationType>DynamicLibrary</ConfigurationType>
+    <PlatformToolset>v141</PlatformToolset>
+    <UseOfMfc>false</UseOfMfc>
+  </PropertyGroup>
   <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Debug|x64'" Label="Configuration">
     <ConfigurationType>DynamicLibrary</ConfigurationType>
     <PlatformToolset>v141</PlatformToolset>
     <UseOfMfc>false</UseOfMfc>
   </PropertyGroup>
+  <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Debug|ARM64'" Label="Configuration">
+    <ConfigurationType>DynamicLibrary</ConfigurationType>
+    <PlatformToolset>v141</PlatformToolset>
+    <UseOfMfc>false</UseOfMfc>
+  </PropertyGroup>
   <Import Project="$(VCTargetsPath)\Microsoft.Cpp.props" />
   <ImportGroup Label="ExtensionSettings">
   </ImportGroup>
@@ -58,10 +76,18 @@
     <Import Project="$(UserRootDir)\Microsoft.Cpp.$(Platform).user.props" Condition="exists('$(UserRootDir)\Microsoft.Cpp.$(Platform).user.props')" Label="LocalAppDataPlatform" />
     <Import Project="$(VCTargetsPath)Microsoft.CPP.UpgradeFromVC70.props" />
   </ImportGroup>
+  <ImportGroup Condition="'$(Configuration)|$(Platform)'=='Release|ARM64'" Label="PropertySheets">
+    <Import Project="$(UserRootDir)\Microsoft.Cpp.$(Platform).user.props" Condition="exists('$(UserRootDir)\Microsoft.Cpp.$(Platform).user.props')" Label="LocalAppDataPlatform" />
+    <Import Project="$(VCTargetsPath)Microsoft.CPP.UpgradeFromVC70.props" />
+  </ImportGroup>
   <ImportGroup Condition="'$(Configuration)|$(Platform)'=='Debug|x64'" Label="PropertySheets">
     <Import Project="$(UserRootDir)\Microsoft.Cpp.$(Platform).user.props" Condition="exists('$(UserRootDir)\Microsoft.Cpp.$(Platform).user.props')" Label="LocalAppDataPlatform" />
     <Import Project="$(VCTargetsPath)Microsoft.CPP.UpgradeFromVC70.props" />
   </ImportGroup>
+  <ImportGroup Condition="'$(Configuration)|$(Platform)'=='Debug|ARM64'" Label="PropertySheets">
+    <Import Project="$(UserRootDir)\Microsoft.Cpp.$(Platform).user.props" Condition="exists('$(UserRootDir)\Microsoft.Cpp.$(Platform).user.props')" Label="LocalAppDataPlatform" />
+    <Import Project="$(VCTargetsPath)Microsoft.CPP.UpgradeFromVC70.props" />
+  </ImportGroup>
   <PropertyGroup Label="UserMacros" />
   <PropertyGroup>
     <_ProjectFileVersion>15.0.27924.0</_ProjectFileVersion>
@@ -76,6 +102,11 @@
     <IntDir>$(Platform)\$(Configuration)\</IntDir>
     <LinkIncremental>true</LinkIncremental>
   </PropertyGroup>
+  <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Debug|ARM64'">
+    <OutDir>$(SolutionDir)$(Platform)\$(Configuration)\</OutDir>
+    <IntDir>$(Platform)\$(Configuration)\</IntDir>
+    <LinkIncremental>true</LinkIncremental>
+  </PropertyGroup>
   <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Release|Win32'">
     <OutDir>$(SolutionDir)$(Configuration)\</OutDir>
     <IntDir>$(Configuration)\</IntDir>
@@ -86,6 +117,11 @@
     <IntDir>$(Platform)\$(Configuration)\</IntDir>
     <LinkIncremental>false</LinkIncremental>
   </PropertyGroup>
+  <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Release|ARM64'">
+    <OutDir>$(SolutionDir)$(Platform)\$(Configuration)\</OutDir>
+    <IntDir>$(Platform)\$(Configuration)\</IntDir>
+    <LinkIncremental>false</LinkIncremental>
+  </PropertyGroup>
   <ItemDefinitionGroup Condition="'$(Configuration)|$(Platform)'=='Debug|Win32'">
     <Midl>
       <PreprocessorDefinitions>_DEBUG;%(PreprocessorDefinitions)</PreprocessorDefinitions>
@@ -160,6 +196,42 @@
       <CLRUnmanagedCodeCheck>false</CLRUnmanagedCodeCheck>
     </Link>
   </ItemDefinitionGroup>
+  <ItemDefinitionGroup Condition="'$(Configuration)|$(Platform)'=='Debug|ARM64'">
+    <Midl>
+      <PreprocessorDefinitions>_DEBUG;%(PreprocessorDefinitions)</PreprocessorDefinitions>
+      <MkTypLibCompatible>true</MkTypLibCompatible>
+      <SuppressStartupBanner>true</SuppressStartupBanner>
+      <TypeLibraryName>.\Debug/SDL.tlb</TypeLibraryName>
+    </Midl>
+    <ClCompile>
+      <Optimization>Disabled</Optimization>
+      <AdditionalIncludeDirectories>$(ProjectDir)\..\..\include;%(AdditionalIncludeDirectories)</AdditionalIncludeDirectories>
+      <PreprocessorDefinitions>_CRT_SECURE_NO_DEPRECATE;_DEBUG;_WINDOWS;_WIN32_WINNT=0x0400;WINDOWS_IGNORE_PACKING_MISMATCH;%(PreprocessorDefinitions)</PreprocessorDefinitions>
+      <RuntimeLibrary>MultiThreadedDLL</RuntimeLibrary>
+      <BufferSecurityCheck>false</BufferSecurityCheck>
+      <PrecompiledHeader>
+      </PrecompiledHeader>
+      <PrecompiledHeaderOutputFile>.\Debug/SDL.pch</PrecompiledHeaderOutputFile>
+      <WarningLevel>Level3</WarningLevel>
+      <SuppressStartupBanner>true</SuppressStartupBanner>
+      <DebugInformationFormat>ProgramDatabase</DebugInformationFormat>
+      <CompileAs>Default</CompileAs>
+    </ClCompile>
+    <ResourceCompile>
+      <PreprocessorDefinitions>_DEBUG;%(PreprocessorDefinitions)</PreprocessorDefinitions>
+      <Culture>0x0409</Culture>
+    </ResourceCompile>
+    <Link>
+      <AdditionalDependencies>winmm.lib;dxguid.lib;%(AdditionalDependencies)</AdditionalDependencies>
+      <OutputFile>.\Debug/SDL.dll</OutputFile>
+      <SuppressStartupBanner>true</SuppressStartupBanner>
+      <IgnoreAllDefaultLibraries>false</IgnoreAllDefaultLibraries>
+      <GenerateDebugInformation>true</GenerateDebugInformation>
+      <ProgramDatabaseFile>.\Debug/SDL.pdb</ProgramDatabaseFile>
+      <SubSystem>Windows</SubSystem>
+      <CLRUnmanagedCodeCheck>false</CLRUnmanagedCodeCheck>
+    </Link>
+  </ItemDefinitionGroup>
   <ItemDefinitionGroup Condition="'$(Configuration)|$(Platform)'=='Release|Win32'">
     <Midl>
       <PreprocessorDefinitions>NDEBUG;%(PreprocessorDefinitions)</PreprocessorDefinitions>
@@ -234,6 +306,42 @@
       <TargetMachine>MachineX64</TargetMachine>
     </Link>
   </ItemDefinitionGroup>
+  <ItemDefinitionGroup Condition="'$(Configuration)|$(Platform)'=='Release|ARM64'">
+    <Midl>
+      <PreprocessorDefinitions>NDEBUG;%(PreprocessorDefinitions)</PreprocessorDefinitions>
+      <MkTypLibCompatible>true</MkTypLibCompatible>
+      <SuppressStartupBanner>true</SuppressStartupBanner>
+      <TypeLibraryName>.\Release/SDL.tlb</TypeLibraryName>
+    </Midl>
+    <ClCompile>
+      <InlineFunctionExpansion>OnlyExplicitInline</InlineFunctionExpansion>
+      <IntrinsicFunctions>false</IntrinsicFunctions>
+      <AdditionalIncludeDirectories>$(ProjectDir)\..\..\include;%(AdditionalIncludeDirectories)</AdditionalIncludeDirectories>
+      <PreprocessorDefinitions>_CRT_SECURE_NO_DEPRECATE;NDEBUG;_WINDOWS;_WIN32_WINNT=0x0400;WINDOWS_IGNORE_PACKING_MISMATCH;%(PreprocessorDefinitions)</PreprocessorDefinitions>
+      <StringPooling>true</StringPooling>
+      <RuntimeLibrary>MultiThreadedDLL</RuntimeLibrary>
+      <BufferSecurityCheck>false</BufferSecurityCheck>
+      <FunctionLevelLinking>true</FunctionLevelLinking>
+      <PrecompiledHeader>
+      </PrecompiledHeader>
+      <PrecompiledHeaderOutputFile>.\Release/SDL.pch</PrecompiledHeaderOutputFile>
+      <WarningLevel>Level3</WarningLevel>
+      <SuppressStartupBanner>true</SuppressStartupBanner>
+      <CompileAs>Default</CompileAs>
+    </ClCompile>
+    <ResourceCompile>
+      <PreprocessorDefinitions>NDEBUG;%(PreprocessorDefinitions)</PreprocessorDefinitions>
+      <Culture>0x0409</Culture>
+    </ResourceCompile>
+    <Link>
+      <AdditionalDependencies>winmm.lib;dxguid.lib;%(AdditionalDependencies)</AdditionalDependencies>
+      <OutputFile>.\Release/SDL.dll</OutputFile>
+      <SuppressStartupBanner>true</SuppressStartupBanner>
+      <IgnoreAllDefaultLibraries>false</IgnoreAllDefaultLibraries>
+      <ProgramDatabaseFile>.\Release/SDL.pdb</ProgramDatabaseFile>
+      <SubSystem>Windows</SubSystem>
+    </Link>
+  </ItemDefinitionGroup>
   <ItemGroup>
     <ClCompile Include="..\..\src\audio\disk\SDL_diskaudio.c" />
     <ClCompile Include="..\..\src\audio\dummy\SDL_dummyaudio.c" />
diff --git a/ports/sdl1/SDLmain_dynamic.vcxproj b/ports/sdl1/SDLmain_dynamic.vcxproj
index 228045d417a..dd4c89a672c 100644
--- a/ports/sdl1/SDLmain_dynamic.vcxproj
+++ b/ports/sdl1/SDLmain_dynamic.vcxproj
@@ -1,6 +1,10 @@
 <?xml version="1.0" encoding="utf-8"?>
 <Project DefaultTargets="Build" ToolsVersion="15.0" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
   <ItemGroup Label="ProjectConfigurations">
+    <ProjectConfiguration Include="Debug|ARM64">
+      <Configuration>Debug</Configuration>
+      <Platform>ARM64</Platform>
+    </ProjectConfiguration>
     <ProjectConfiguration Include="Debug|Win32">
       <Configuration>Debug</Configuration>
       <Platform>Win32</Platform>
@@ -9,6 +13,10 @@
       <Configuration>Debug</Configuration>
       <Platform>x64</Platform>
     </ProjectConfiguration>
+    <ProjectConfiguration Include="Release_NoSTDIO|ARM64">
+      <Configuration>Release_NoSTDIO</Configuration>
+      <Platform>ARM64</Platform>
+    </ProjectConfiguration>
     <ProjectConfiguration Include="Release_NoSTDIO|Win32">
       <Configuration>Release_NoSTDIO</Configuration>
       <Platform>Win32</Platform>
@@ -17,6 +25,10 @@
       <Configuration>Release_NoSTDIO</Configuration>
       <Platform>x64</Platform>
     </ProjectConfiguration>
+    <ProjectConfiguration Include="Release|ARM64">
+      <Configuration>Release</Configuration>
+      <Platform>ARM64</Platform>
+    </ProjectConfiguration>
     <ProjectConfiguration Include="Release|Win32">
       <Configuration>Release</Configuration>
       <Platform>Win32</Platform>
@@ -50,16 +62,31 @@
     <PlatformToolset>v141</PlatformToolset>
     <UseOfMfc>false</UseOfMfc>
   </PropertyGroup>
+  <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Debug|ARM64'" Label="Configuration">
+    <ConfigurationType>StaticLibrary</ConfigurationType>
+    <PlatformToolset>v141</PlatformToolset>
+    <UseOfMfc>false</UseOfMfc>
+  </PropertyGroup>
   <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Release_NoSTDIO|x64'" Label="Configuration">
     <ConfigurationType>StaticLibrary</ConfigurationType>
     <PlatformToolset>v141</PlatformToolset>
     <UseOfMfc>false</UseOfMfc>
   </PropertyGroup>
+  <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Release_NoSTDIO|ARM64'" Label="Configuration">
+    <ConfigurationType>StaticLibrary</ConfigurationType>
+    <PlatformToolset>v141</PlatformToolset>
+    <UseOfMfc>false</UseOfMfc>
+  </PropertyGroup>
   <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Release|x64'" Label="Configuration">
     <ConfigurationType>StaticLibrary</ConfigurationType>
     <PlatformToolset>v141</PlatformToolset>
     <UseOfMfc>false</UseOfMfc>
   </PropertyGroup>
+  <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Release|ARM64'" Label="Configuration">
+    <ConfigurationType>StaticLibrary</ConfigurationType>
+    <PlatformToolset>v141</PlatformToolset>
+    <UseOfMfc>false</UseOfMfc>
+  </PropertyGroup>
   <Import Project="$(VCTargetsPath)\Microsoft.Cpp.props" />
   <ImportGroup Label="ExtensionSettings">
   </ImportGroup>
@@ -79,14 +106,26 @@
     <Import Project="$(UserRootDir)\Microsoft.Cpp.$(Platform).user.props" Condition="exists('$(UserRootDir)\Microsoft.Cpp.$(Platform).user.props')" Label="LocalAppDataPlatform" />
     <Import Project="$(VCTargetsPath)Microsoft.CPP.UpgradeFromVC70.props" />
   </ImportGroup>
+  <ImportGroup Condition="'$(Configuration)|$(Platform)'=='Debug|ARM64'" Label="PropertySheets">
+    <Import Project="$(UserRootDir)\Microsoft.Cpp.$(Platform).user.props" Condition="exists('$(UserRootDir)\Microsoft.Cpp.$(Platform).user.props')" Label="LocalAppDataPlatform" />
+    <Import Project="$(VCTargetsPath)Microsoft.CPP.UpgradeFromVC70.props" />
+  </ImportGroup>
   <ImportGroup Condition="'$(Configuration)|$(Platform)'=='Release_NoSTDIO|x64'" Label="PropertySheets">
     <Import Project="$(UserRootDir)\Microsoft.Cpp.$(Platform).user.props" Condition="exists('$(UserRootDir)\Microsoft.Cpp.$(Platform).user.props')" Label="LocalAppDataPlatform" />
     <Import Project="$(VCTargetsPath)Microsoft.CPP.UpgradeFromVC70.props" />
   </ImportGroup>
+  <ImportGroup Condition="'$(Configuration)|$(Platform)'=='Release_NoSTDIO|ARM64'" Label="PropertySheets">
+    <Import Project="$(UserRootDir)\Microsoft.Cpp.$(Platform).user.props" Condition="exists('$(UserRootDir)\Microsoft.Cpp.$(Platform).user.props')" Label="LocalAppDataPlatform" />
+    <Import Project="$(VCTargetsPath)Microsoft.CPP.UpgradeFromVC70.props" />
+  </ImportGroup>
   <ImportGroup Condition="'$(Configuration)|$(Platform)'=='Release|x64'" Label="PropertySheets">
     <Import Project="$(UserRootDir)\Microsoft.Cpp.$(Platform).user.props" Condition="exists('$(UserRootDir)\Microsoft.Cpp.$(Platform).user.props')" Label="LocalAppDataPlatform" />
     <Import Project="$(VCTargetsPath)Microsoft.CPP.UpgradeFromVC70.props" />
   </ImportGroup>
+  <ImportGroup Condition="'$(Configuration)|$(Platform)'=='Release|ARM64'" Label="PropertySheets">
+    <Import Project="$(UserRootDir)\Microsoft.Cpp.$(Platform).user.props" Condition="exists('$(UserRootDir)\Microsoft.Cpp.$(Platform).user.props')" Label="LocalAppDataPlatform" />
+    <Import Project="$(VCTargetsPath)Microsoft.CPP.UpgradeFromVC70.props" />
+  </ImportGroup>
   <PropertyGroup Label="UserMacros" />
   <PropertyGroup>
     <_ProjectFileVersion>15.0.27924.0</_ProjectFileVersion>
@@ -99,6 +138,10 @@
     <OutDir>$(Platform)\$(Configuration)\</OutDir>
     <IntDir>$(Platform)\$(Configuration)\</IntDir>
   </PropertyGroup>
+  <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Release|ARM64'">
+    <OutDir>$(Platform)\$(Configuration)\</OutDir>
+    <IntDir>$(Platform)\$(Configuration)\</IntDir>
+  </PropertyGroup>
   <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Release_NoSTDIO|Win32'">
     <OutDir>.\Release_NOSTDIO\</OutDir>
     <IntDir>.\Release_NOSTDIO\</IntDir>
@@ -107,6 +150,10 @@
     <OutDir>$(Platform)\$(Configuration)\</OutDir>
     <IntDir>$(Platform)\$(Configuration)\</IntDir>
   </PropertyGroup>
+  <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Release_NoSTDIO|ARM64'">
+    <OutDir>$(Platform)\$(Configuration)\</OutDir>
+    <IntDir>$(Platform)\$(Configuration)\</IntDir>
+  </PropertyGroup>
   <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Debug|Win32'">
     <OutDir>.\Debug\</OutDir>
     <IntDir>.\Debug\</IntDir>
@@ -115,6 +162,10 @@
     <OutDir>$(Platform)\$(Configuration)\</OutDir>
     <IntDir>$(Platform)\$(Configuration)\</IntDir>
   </PropertyGroup>
+  <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Debug|ARM64'">
+    <OutDir>$(Platform)\$(Configuration)\</OutDir>
+    <IntDir>$(Platform)\$(Configuration)\</IntDir>
+  </PropertyGroup>
   <ItemDefinitionGroup Condition="'$(Configuration)|$(Platform)'=='Release|Win32'">
     <ClCompile>
       <InlineFunctionExpansion>OnlyExplicitInline</InlineFunctionExpansion>
@@ -146,6 +197,22 @@
       <CompileAs>Default</CompileAs>
     </ClCompile>
   </ItemDefinitionGroup>
+  <ItemDefinitionGroup Condition="'$(Configuration)|$(Platform)'=='Release|ARM64'">
+    <Midl />
+    <ClCompile>
+      <InlineFunctionExpansion>OnlyExplicitInline</InlineFunctionExpansion>
+      <AdditionalIncludeDirectories>..\..\include;..\..\include\SDL;%(AdditionalIncludeDirectories)</AdditionalIncludeDirectories>
+      <PreprocessorDefinitions>_CRT_SECURE_NO_DEPRECATE;WIN32;NDEBUG;_WINDOWS;%(PreprocessorDefinitions)</PreprocessorDefinitions>
+      <StringPooling>true</StringPooling>
+      <RuntimeLibrary>MultiThreadedDLL</RuntimeLibrary>
+      <FunctionLevelLinking>true</FunctionLevelLinking>
+      <PrecompiledHeader>
+      </PrecompiledHeader>
+      <PrecompiledHeaderOutputFile>.\Release/SDLmain.pch</PrecompiledHeaderOutputFile>
+      <WarningLevel>Level3</WarningLevel>
+      <CompileAs>Default</CompileAs>
+    </ClCompile>
+  </ItemDefinitionGroup>
   <ItemDefinitionGroup Condition="'$(Configuration)|$(Platform)'=='Release_NoSTDIO|Win32'">
     <ClCompile>
       <InlineFunctionExpansion>OnlyExplicitInline</InlineFunctionExpansion>
@@ -177,6 +244,22 @@
       <CompileAs>Default</CompileAs>
     </ClCompile>
   </ItemDefinitionGroup>
+  <ItemDefinitionGroup Condition="'$(Configuration)|$(Platform)'=='Release_NoSTDIO|ARM64'">
+    <Midl />
+    <ClCompile>
+      <InlineFunctionExpansion>OnlyExplicitInline</InlineFunctionExpansion>
+      <AdditionalIncludeDirectories>..\..\include;..\..\include\SDL;%(AdditionalIncludeDirectories)</AdditionalIncludeDirectories>
+      <PreprocessorDefinitions>_CRT_SECURE_NO_DEPRECATE;WIN32;NDEBUG;_WINDOWS;NO_STDIO_REDIRECT;%(PreprocessorDefinitions)</PreprocessorDefinitions>
+      <StringPooling>true</StringPooling>
+      <RuntimeLibrary>MultiThreadedDLL</RuntimeLibrary>
+      <FunctionLevelLinking>true</FunctionLevelLinking>
+      <PrecompiledHeader>
+      </PrecompiledHeader>
+      <PrecompiledHeaderOutputFile>.\Release_NOSTDIO/SDLmain.pch</PrecompiledHeaderOutputFile>
+      <WarningLevel>Level3</WarningLevel>
+      <CompileAs>Default</CompileAs>
+    </ClCompile>
+  </ItemDefinitionGroup>
   <ItemDefinitionGroup Condition="'$(Configuration)|$(Platform)'=='Debug|Win32'">
     <ClCompile>
       <Optimization>Disabled</Optimization>
@@ -206,6 +289,21 @@
       <CompileAs>Default</CompileAs>
     </ClCompile>
   </ItemDefinitionGroup>
+  <ItemDefinitionGroup Condition="'$(Configuration)|$(Platform)'=='Debug|ARM64'">
+    <Midl />
+    <ClCompile>
+      <Optimization>Disabled</Optimization>
+      <AdditionalIncludeDirectories>..\..\include;..\..\include\SDL;%(AdditionalIncludeDirectories)</AdditionalIncludeDirectories>
+      <PreprocessorDefinitions>_CRT_SECURE_NO_DEPRECATE;WIN32;_DEBUG;_WINDOWS;%(PreprocessorDefinitions)</PreprocessorDefinitions>
+      <RuntimeLibrary>MultiThreadedDLL</RuntimeLibrary>
+      <PrecompiledHeader>
+      </PrecompiledHeader>
+      <PrecompiledHeaderOutputFile>.\Debug/SDLmain.pch</PrecompiledHeaderOutputFile>
+      <WarningLevel>Level3</WarningLevel>
+      <DebugInformationFormat>OldStyle</DebugInformationFormat>
+      <CompileAs>Default</CompileAs>
+    </ClCompile>
+  </ItemDefinitionGroup>
   <ItemGroup>
     <ClCompile Include="..\..\Src\Main\Win32\SDL_win32_main.c" />
   </ItemGroup>
diff --git a/scripts/ci.baseline.txt b/scripts/ci.baseline.txt
index 4da0925de96..23f4805c350 100644
--- a/scripts/ci.baseline.txt
+++ b/scripts/ci.baseline.txt
@@ -1496,7 +1496,6 @@ sdformat6:arm64-windows=fail
 sdformat6:arm-uwp=fail
 sdformat6:x64-uwp=fail
 sdformat6:x64-linux=ignore
-sdl1:arm64-windows=fail
 sdl1:arm-uwp=fail
 sdl1:x64-linux=fail
 sdl1:x64-osx=fail