diff --git a/Visual Studio Projects/I701.vcproj b/Visual Studio Projects/I701.vcproj
index 52ee291..888e731 100644
--- a/Visual Studio Projects/I701.vcproj	
+++ b/Visual Studio Projects/I701.vcproj	
@@ -26,7 +26,7 @@
 			<Tool
 				Name="VCPreBuildEventTool"
 				Description="Check for required build dependencies &amp; git commit id"
-				CommandLine="Pre-Build-Event.cmd &quot;$(TargetDir)$(TargetName).exe&quot; LIBPCRE"
+				CommandLine="Pre-Build-Event.cmd &quot;$(TargetDir)$(TargetName).exe&quot; LIBPCRE BUILD LIBSDL"
 			/>
 			<Tool
 				Name="VCCustomBuildTool"
@@ -41,7 +41,7 @@
 				Name="VCCLCompilerTool"
 				Optimization="0"
 				AdditionalIncludeDirectories="./;../;../slirp;../slirp_glue;../slirp_glue/qemu;../slirp_glue/qemu/win32/include;../../windows-build/include;;../../windows-build/include/SDL2"
-				PreprocessorDefinitions="I701;USE_INT64;USE_SIM_CARD;SIM_BUILD_TOOL=simh-Visual-Studio-Project;_CRT_NONSTDC_NO_WARNINGS;_CRT_SECURE_NO_WARNINGS;_WINSOCK_DEPRECATED_NO_WARNINGS;SIM_NEED_GIT_COMMIT_ID;HAVE_PCRE_H;PCRE_STATIC"
+				PreprocessorDefinitions="I701;USE_INT64;USE_SIM_CARD;SIM_BUILD_TOOL=simh-Visual-Studio-Project;_CRT_NONSTDC_NO_WARNINGS;_CRT_SECURE_NO_WARNINGS;_WINSOCK_DEPRECATED_NO_WARNINGS;SIM_NEED_GIT_COMMIT_ID;HAVE_PCRE_H;PCRE_STATIC;PTW32_STATIC_LIB;USE_READER_THREAD;SIM_ASYNC_H_IO"
 				BasicRuntimeChecks="3"
 				RuntimeLibrary="1"
 				UsePrecompiledHeader="0"
@@ -60,6 +60,7 @@
 			/>
 			<Tool
 				Name="VCLinkerTool"
+				MinimalRebuild="true"
 				AdditionalDependencies="libcmtd.lib wsock32.lib winmm.lib Iphlpapi.lib pcrestaticd.lib SDL2-StaticD.lib SDL2_ttf-StaticD.lib freetype2412MT_D.lib libpng16.lib zlib.lib dxguid.lib Imm32.lib Version.lib"
 				LinkIncremental="1"
 				AdditionalLibraryDirectories="../../windows-build/lib/Debug/"
@@ -105,7 +106,7 @@
 			<Tool
 				Name="VCPreBuildEventTool"
 				Description="Check for required build dependencies &amp; git commit id"
-				CommandLine="Pre-Build-Event.cmd &quot;$(TargetDir)$(TargetName).exe&quot; LIBPCRE"
+				CommandLine="Pre-Build-Event.cmd &quot;$(TargetDir)$(TargetName).exe&quot; LIBPCRE BUILD LIBSDL"
 			/>
 			<Tool
 				Name="VCCustomBuildTool"
@@ -123,7 +124,7 @@
 				OmitFramePointers="true"
 				WholeProgramOptimization="true"
 				AdditionalIncludeDirectories="./;../;../slirp;../slirp_glue;../slirp_glue/qemu;../slirp_glue/qemu/win32/include;../../windows-build/include;;../../windows-build/include/SDL2"
-				PreprocessorDefinitions="I701;USE_INT64;USE_SIM_CARD;SIM_BUILD_TOOL=simh-Visual-Studio-Project;_CRT_NONSTDC_NO_WARNINGS;_CRT_SECURE_NO_WARNINGS;_WINSOCK_DEPRECATED_NO_WARNINGS;SIM_NEED_GIT_COMMIT_ID;HAVE_PCRE_H;PCRE_STATIC"
+				PreprocessorDefinitions="I701;USE_INT64;USE_SIM_CARD;SIM_BUILD_TOOL=simh-Visual-Studio-Project;_CRT_NONSTDC_NO_WARNINGS;_CRT_SECURE_NO_WARNINGS;_WINSOCK_DEPRECATED_NO_WARNINGS;SIM_NEED_GIT_COMMIT_ID;HAVE_PCRE_H;PCRE_STATIC;PTW32_STATIC_LIB;USE_READER_THREAD;SIM_ASYNC_H_IO"
 				StringPooling="true"
 				RuntimeLibrary="0"
 				EnableFunctionLevelLinking="true"
@@ -225,6 +226,29 @@
 				RelativePath="..\I7000\i7090_lpr.c"
 				>
 			</File>
+ 			<File
+ 				RelativePath="..\..\windows-build\pthreads\pthread.c"
+ 				>
+ 				<FileConfiguration
+ 					Name="Debug|Win32"
+ 					>
+ 					<Tool
+ 						Name="VCCLCompilerTool"
+ 						PreprocessorDefinitions="HAVE_CONFIG_H;PTW32_BUILD_INLINED;PTW32_STATIC_LIB;__CLEANUP_C;$(NOINHERIT)"
+ 						CompileAs="1"
+ 					/>
+ 				</FileConfiguration>
+ 				<FileConfiguration
+ 					Name="Release|Win32"
+ 					>
+ 					<Tool
+ 						Name="VCCLCompilerTool"
+ 						WholeProgramOptimization="false"
+ 						PreprocessorDefinitions="HAVE_CONFIG_H;PTW32_BUILD_INLINED;PTW32_STATIC_LIB;__CLEANUP_C;$(NOINHERIT)"
+ 						CompileAs="1"
+ 					/>
+ 				</FileConfiguration>
+ 			</File>
 			<File
 				RelativePath="..\scp.c"
 				>
diff --git a/Visual Studio Projects/IBM360.vcproj b/Visual Studio Projects/IBM360.vcproj
index f0fe083..4448192 100644
--- a/Visual Studio Projects/IBM360.vcproj	
+++ b/Visual Studio Projects/IBM360.vcproj	
@@ -26,7 +26,7 @@
 			<Tool
 				Name="VCPreBuildEventTool"
 				Description="Check for required build dependencies &amp; git commit id"
-				CommandLine="Pre-Build-Event.cmd &quot;$(TargetDir)$(TargetName).exe&quot; LIBPCRE"
+				CommandLine="Pre-Build-Event.cmd &quot;$(TargetDir)$(TargetName).exe&quot; LIBPCRE BUILD LIBSDL"
 			/>
 			<Tool
 				Name="VCCustomBuildTool"
@@ -40,8 +40,8 @@
 			<Tool
 				Name="VCCLCompilerTool"
 				Optimization="0"
-				AdditionalIncludeDirectories="./IBM360;.;..;../../windows-build/PCRE/include/;../../windows-build/pthreads"
-				PreprocessorDefinitions="IBM360;USE_64BIT;SIM_BUILD_TOOL=simh-Visual-Studio-Project;_CRT_NONSTDC_NO_WARNINGS;_CRT_SECURE_NO_WARNINGS;_WINSOCK_DEPRECATED_NO_WARNINGS;USE_SIM_CARD;SIM_NEED_GIT_COMMIT_ID;HAVE_PCREPOSIX_H;PCRE_STATIC"
+				AdditionalIncludeDirectories="./IBM360;./;../;../slirp;../slirp_glue;../slirp_glue/qemu;../slirp_glue/qemu/win32/include;../../windows-build/include;;../../windows-build/include/SDL2"
+				PreprocessorDefinitions="IBM360;USE_64BIT;SIM_BUILD_TOOL=simh-Visual-Studio-Project;_CRT_NONSTDC_NO_WARNINGS;_CRT_SECURE_NO_WARNINGS;_WINSOCK_DEPRECATED_NO_WARNINGS;USE_SIM_CARD;SIM_NEED_GIT_COMMIT_ID;HAVE_PCRE_H;PCRE_STATIC;PTW32_STATIC_LIB;USE_READER_THREAD;SIM_ASYNCH_IO"
 				KeepComments="false"
 				MinimalRebuild="true"
 				BasicRuntimeChecks="0"
@@ -63,11 +63,11 @@
 			/>
 			<Tool
 				Name="VCLinkerTool"
-				AdditionalDependencies="libcmtd.lib wsock32.lib winmm.lib Iphlpapi.lib pcrestaticd.lib pcreposixstaticd.lib zlib.lib dxguid.lib Imm32.lib Version.lib"
+                                AdditionalOptions="/fixed:no"
+				AdditionalDependencies="libcmtd.lib wsock32.lib winmm.lib Iphlpapi.lib pcrestaticd.lib SDL2-StaticD.lib SDL2_ttf-StaticD.lib freetype2412MT_D.lib libpng16.lib zlib.lib dxguid.lib Imm32.lib Version.lib"
 				LinkIncremental="1"
 				AdditionalLibraryDirectories="../../windows-build/lib/Debug/"
 				GenerateDebugInformation="true"
-				GenerateMapFile="true"
 				SubSystem="1"
 				StackReserveSize="10485760"
 				StackCommitSize="10485760"
@@ -109,7 +109,7 @@
 			<Tool
 				Name="VCPreBuildEventTool"
 				Description="Check for required build dependencies &amp; git commit id"
-				CommandLine="Pre-Build-Event.cmd &quot;$(TargetDir)$(TargetName).exe&quot; LIBPCRE"
+				CommandLine="Pre-Build-Event.cmd &quot;$(TargetDir)$(TargetName).exe&quot; LIBPCRE BUILD LIBSDL"
 			/>
 			<Tool
 				Name="VCCustomBuildTool"
@@ -126,8 +126,8 @@
 				InlineFunctionExpansion="1"
 				OmitFramePointers="true"
 				WholeProgramOptimization="true"
-				AdditionalIncludeDirectories="./IBM360;.;..;../../windows-build/PCRE/include/;../../windows-build/pthreads"
-				PreprocessorDefinitions="IBM360;USE_64BIT;SIM_BUILD_TOOL=simh-Visual-Studio-Project;_CRT_NONSTDC_NO_WARNINGS;_CRT_SECURE_NO_WARNINGS;_WINSOCK_DEPRECATED_NO_WARNINGS;USE_SIM_CARD;SIM_NEED_GIT_COMMIT_ID;HAVE_PCREPOSIX_H;PCRE_STATIC"
+				AdditionalIncludeDirectories="./IBM360;./;../;../slirp;../slirp_glue;../slirp_glue/qemu;../slirp_glue/qemu/win32/include;../../windows-build/include;;../../windows-build/include/SDL2"
+				PreprocessorDefinitions="IBM360;USE_64BIT;SIM_BUILD_TOOL=simh-Visual-Studio-Project;_CRT_NONSTDC_NO_WARNINGS;_CRT_SECURE_NO_WARNINGS;_WINSOCK_DEPRECATED_NO_WARNINGS;USE_SIM_CARD;SIM_NEED_GIT_COMMIT_ID;HAVE_PCRE_H;PCRE_STATIC;PTW32_STATIC_LIB;USE_READER_THREAD;SIM_ASYNCH_IO"
 				StringPooling="true"
 				RuntimeLibrary="0"
 				EnableFunctionLevelLinking="true"
@@ -147,7 +147,8 @@
 			/>
 			<Tool
 				Name="VCLinkerTool"
-				AdditionalDependencies="libcmt.lib wsock32.lib winmm.lib Iphlpapi.lib pcrestatic.lib pcreposixstatic.lib zlib.lib dxguid.lib Imm32.lib Version.lib"
+                                AdditionalOptions="/fixed:no"
+				AdditionalDependencies="libcmt.lib wsock32.lib winmm.lib Iphlpapi.lib pcrestatic.lib SDL2-Static.lib SDL2_ttf-Static.lib freetype2412MT.lib libpng16.lib zlib.lib dxguid.lib Imm32.lib Version.lib"
 				LinkIncremental="1"
 				AdditionalLibraryDirectories="../../windows-build/lib/Release/"
 				GenerateDebugInformation="false"
@@ -233,6 +234,29 @@
 				RelativePath="..\IBM360\ibm360_sys.c"
 				>
 			</File>
+ 			<File
+ 				RelativePath="..\..\windows-build\pthreads\pthread.c"
+ 				>
+ 				<FileConfiguration
+ 					Name="Debug|Win32"
+ 					>
+ 					<Tool
+ 						Name="VCCLCompilerTool"
+ 						PreprocessorDefinitions="HAVE_CONFIG_H;PTW32_BUILD_INLINED;PTW32_STATIC_LIB;__CLEANUP_C;$(NOINHERIT)"
+ 						CompileAs="1"
+ 					/>
+ 				</FileConfiguration>
+ 				<FileConfiguration
+ 					Name="Release|Win32"
+ 					>
+ 					<Tool
+ 						Name="VCCLCompilerTool"
+ 						WholeProgramOptimization="false"
+ 						PreprocessorDefinitions="HAVE_CONFIG_H;PTW32_BUILD_INLINED;PTW32_STATIC_LIB;__CLEANUP_C;$(NOINHERIT)"
+ 						CompileAs="1"
+ 					/>
+ 				</FileConfiguration>
+ 			</File>
 			<File
 				RelativePath="..\scp.c"
 				>
diff --git a/Visual Studio Projects/IBM360_32.vcproj b/Visual Studio Projects/IBM360_32.vcproj
index c8e4b48..2a5b6d5 100644
--- a/Visual Studio Projects/IBM360_32.vcproj	
+++ b/Visual Studio Projects/IBM360_32.vcproj	
@@ -26,7 +26,7 @@
 			<Tool
 				Name="VCPreBuildEventTool"
 				Description="Check for required build dependencies &amp; git commit id"
-				CommandLine="Pre-Build-Event.cmd &quot;$(TargetDir)$(TargetName).exe&quot; LIBPCRE"
+				CommandLine="Pre-Build-Event.cmd &quot;$(TargetDir)$(TargetName).exe&quot; LIBPCRE BUILD LIBSDL"
 			/>
 			<Tool
 				Name="VCCustomBuildTool"
@@ -40,10 +40,9 @@
 			<Tool
 				Name="VCCLCompilerTool"
 				Optimization="0"
-				AdditionalIncludeDirectories="./IBM360;.;..;../../windows-build/PCRE/include/;../../windows-build/pthreads"
-				PreprocessorDefinitions="IBM360;SIM_BUILD_TOOL=simh-Visual-Studio-Project;_CRT_NONSTDC_NO_WARNINGS;_CRT_SECURE_NO_WARNINGS;_WINSOCK_DEPRECATED_NO_WARNINGS;USE_SIM_CARD;SIM_NEED_GIT_COMMIT_ID;HAVE_PCREPOSIX_H;PCRE_STATIC"
+				AdditionalIncludeDirectories="./IBM360;.;..;../slirp;../slirp_glue;../slirp_glue/qemu;../slirp_glue/qemu/win32/include;../../windows-build/include;;../../windows-build/include/SDL2"
+				PreprocessorDefinitions="IBM360;SIM_BUILD_TOOL=simh-Visual-Studio-Project;_CRT_NONSTDC_NO_WARNINGS;_CRT_SECURE_NO_WARNINGS;_WINSOCK_DEPRECATED_NO_WARNINGS;USE_SIM_CARD;SIM_NEED_GIT_COMMIT_ID;HAVE_PCRE_H;PCRE_STATIC;PTW32_STATIC_LIB;USE_READER_THREAD;SIM_ASYNC_H_IO"
 				KeepComments="false"
-				MinimalRebuild="true"
 				BasicRuntimeChecks="0"
 				RuntimeLibrary="1"
 				UsePrecompiledHeader="0"
@@ -63,7 +62,7 @@
 			/>
 			<Tool
 				Name="VCLinkerTool"
-				AdditionalDependencies="libcmtd.lib wsock32.lib winmm.lib Iphlpapi.lib pcrestaticd.lib pcreposixstaticd.lib zlib.lib dxguid.lib Imm32.lib Version.lib"
+				AdditionalDependencies="libcmtd.lib wsock32.lib winmm.lib Iphlpapi.lib pcrestaticd.lib SDL2-StaticD.lib SDL2_ttf-StaticD.lib freetype2412MT_D.lib libpng16.lib zlib.lib dxguid.lib Imm32.lib Version.lib"
 				LinkIncremental="1"
 				AdditionalLibraryDirectories="../../windows-build/lib/Debug/"
 				GenerateDebugInformation="true"
@@ -109,7 +108,7 @@
 			<Tool
 				Name="VCPreBuildEventTool"
 				Description="Check for required build dependencies &amp; git commit id"
-				CommandLine="Pre-Build-Event.cmd &quot;$(TargetDir)$(TargetName).exe&quot; LIBPCRE"
+				CommandLine="Pre-Build-Event.cmd &quot;$(TargetDir)$(TargetName).exe&quot; LIBPCRE BUILD LIBSDL"
 			/>
 			<Tool
 				Name="VCCustomBuildTool"
@@ -126,8 +125,8 @@
 				InlineFunctionExpansion="1"
 				OmitFramePointers="true"
 				WholeProgramOptimization="true"
-				AdditionalIncludeDirectories="./IBM360;.;..;../../windows-build/PCRE/include/;../../windows-build/pthreads"
-				PreprocessorDefinitions="IBM360;SIM_BUILD_TOOL=simh-Visual-Studio-Project;_CRT_NONSTDC_NO_WARNINGS;_CRT_SECURE_NO_WARNINGS;_WINSOCK_DEPRECATED_NO_WARNINGS;USE_SIM_CARD;SIM_NEED_GIT_COMMIT_ID;HAVE_PCREPOSIX_H;PCRE_STATIC"
+				AdditionalIncludeDirectories="./IBM360;.;..;../slirp;../slirp_glue;../slirp_glue/qemu;../slirp_glue/qemu/win32/include;../../windows-build/include;;../../windows-build/include/SDL2"
+				PreprocessorDefinitions="IBM360;SIM_BUILD_TOOL=simh-Visual-Studio-Project;_CRT_NONSTDC_NO_WARNINGS;_CRT_SECURE_NO_WARNINGS;_WINSOCK_DEPRECATED_NO_WARNINGS;USE_SIM_CARD;SIM_NEED_GIT_COMMIT_ID;HAVE_PCRE_H;PCRE_STATIC;PTW32_STATIC_LIB;USE_READER_THREAD;SIM_ASYNC_H_IO"
 				StringPooling="true"
 				RuntimeLibrary="0"
 				EnableFunctionLevelLinking="true"
@@ -147,7 +146,8 @@
 			/>
 			<Tool
 				Name="VCLinkerTool"
-				AdditionalDependencies="libcmt.lib wsock32.lib winmm.lib Iphlpapi.lib pcrestatic.lib pcreposixstatic.lib zlib.lib dxguid.lib Imm32.lib Version.lib"
+                                AdditionalOptions="/fixed:no"
+				AdditionalDependencies="libcmt.lib wsock32.lib winmm.lib Iphlpapi.lib pcrestatic.lib SDL2-Static.lib SDL2_ttf-Static.lib freetype2412MT.lib libpng16.lib zlib.lib dxguid.lib Imm32.lib Version.lib"
 				LinkIncremental="1"
 				AdditionalLibraryDirectories="../../windows-build/lib/Release/"
 				GenerateDebugInformation="false"
@@ -233,6 +233,29 @@
 				RelativePath="..\IBM360\ibm360_sys.c"
 				>
 			</File>
+ 			<File
+ 				RelativePath="..\..\windows-build\pthreads\pthread.c"
+ 				>
+ 				<FileConfiguration
+ 					Name="Debug|Win32"
+ 					>
+ 					<Tool
+ 						Name="VCCLCompilerTool"
+ 						PreprocessorDefinitions="HAVE_CONFIG_H;PTW32_BUILD_INLINED;PTW32_STATIC_LIB;__CLEANUP_C;$(NOINHERIT)"
+ 						CompileAs="1"
+ 					/>
+ 				</FileConfiguration>
+ 				<FileConfiguration
+ 					Name="Release|Win32"
+ 					>
+ 					<Tool
+ 						Name="VCCLCompilerTool"
+ 						WholeProgramOptimization="false"
+ 						PreprocessorDefinitions="HAVE_CONFIG_H;PTW32_BUILD_INLINED;PTW32_STATIC_LIB;__CLEANUP_C;$(NOINHERIT)"
+ 						CompileAs="1"
+ 					/>
+ 				</FileConfiguration>
+ 			</File>
 			<File
 				RelativePath="..\scp.c"
 				>
diff --git a/Visual Studio Projects/ICL1900.vcproj b/Visual Studio Projects/ICL1900.vcproj
index 9bf0cc4..bf635eb 100644
--- a/Visual Studio Projects/ICL1900.vcproj	
+++ b/Visual Studio Projects/ICL1900.vcproj	
@@ -26,7 +26,7 @@
 			<Tool
 				Name="VCPreBuildEventTool"
 				Description="Check for required build dependencies &amp; git commit id"
-				CommandLine="Pre-Build-Event.cmd &quot;$(TargetDir)$(TargetName).exe&quot; LIBPCRE"
+				CommandLine="Pre-Build-Event.cmd &quot;$(TargetDir)$(TargetName).exe&quot; LIBPCRE BUILD LIBSDL"
 			/>
 			<Tool
 				Name="VCCustomBuildTool"
@@ -40,10 +40,9 @@
 			<Tool
 				Name="VCCLCompilerTool"
 				Optimization="0"
-				AdditionalIncludeDirectories="./ICL1900;.;..;../../windows-build/winpcap/Wpdpack/Include;../../windows-build/PCRE/include/;../../windows-build/pthreads"
-				PreprocessorDefinitions="ICL1900;SIM_BUILD_TOOL=simh-Visual-Studio-Project;_CRT_NONSTDC_NO_WARNINGS;_CRT_SECURE_NO_WARNINGS;_WINSOCK_DEPRECATED_NO_WARNINGS;USE_SIM_CARD;SIM_NEED_GIT_COMMIT_ID;HAVE_PCREPOSIX_H;PCRE_STATIC"
+				AdditionalIncludeDirectories="./ICL1900;.;..;../slirp;../slirp_glue;../slirp_glue/qemu;../slirp_glue/qemu/win32/include;../../windows-build/include;;../../windows-build/include/SDL2"
+				PreprocessorDefinitions="ICL1900;SIM_BUILD_TOOL=simh-Visual-Studio-Project;_CRT_NONSTDC_NO_WARNINGS;_CRT_SECURE_NO_WARNINGS;_WINSOCK_DEPRECATED_NO_WARNINGS;USE_SIM_CARD;SIM_NEED_GIT_COMMIT_ID;HAVE_PCRE_H;HAVE_PCREPOSIX_H;PCRE_STATIC;PTW32_STATIC_LIB;USE_READER_THREAD;SIM_ASYNCH_IO"
 				KeepComments="false"
-				MinimalRebuild="true"
 				BasicRuntimeChecks="0"
 				RuntimeLibrary="1"
 				UsePrecompiledHeader="0"
@@ -63,7 +62,8 @@
 			/>
 			<Tool
 				Name="VCLinkerTool"
-				AdditionalDependencies="libcmtd.lib wsock32.lib winmm.lib Iphlpapi.lib pcrestaticd.lib pcreposixstaticd.lib zlib.lib dxguid.lib Imm32.lib Version.lib"
+				MinimalRebuild="true"
+				AdditionalDependencies="libcmtd.lib wsock32.lib winmm.lib Iphlpapi.lib pcrestaticd.lib SDL2-StaticD.lib SDL2_ttf-StaticD.lib freetype2412MT_D.lib libpng16.lib zlib.lib dxguid.lib Imm32.lib Version.lib"
 				LinkIncremental="1"
 				AdditionalLibraryDirectories="../../windows-build/lib/Debug/"
 				GenerateDebugInformation="true"
@@ -109,7 +109,7 @@
 			<Tool
 				Name="VCPreBuildEventTool"
 				Description="Check for required build dependencies &amp; git commit id"
-				CommandLine="Pre-Build-Event.cmd &quot;$(TargetDir)$(TargetName).exe&quot; LIBPCRE"
+				CommandLine="Pre-Build-Event.cmd &quot;$(TargetDir)$(TargetName).exe&quot; LIBPCRE BUILD LIBSDL"
 			/>
 			<Tool
 				Name="VCCustomBuildTool"
@@ -126,8 +126,8 @@
 				InlineFunctionExpansion="1"
 				OmitFramePointers="true"
 				WholeProgramOptimization="true"
-				AdditionalIncludeDirectories="./ICL1900;.;..;../../windows-build/PCRE/include/;../../windows-build/pthreads"
-				PreprocessorDefinitions="ICL1900;SIM_BUILD_TOOL=simh-Visual-Studio-Project;_CRT_NONSTDC_NO_WARNINGS;_CRT_SECURE_NO_WARNINGS;_WINSOCK_DEPRECATED_NO_WARNINGS;USE_SIM_CARD;SIM_NEED_GIT_COMMIT_ID;HAVE_PCREPOSIX_H;PCRE_STATIC"
+				AdditionalIncludeDirectories="./ICL1900;.;..;../slirp;../slirp_glue;../slirp_glue/qemu;../slirp_glue/qemu/win32/include;../../windows-build/include;;../../windows-build/include/SDL2"
+				PreprocessorDefinitions="ICL1900;SIM_BUILD_TOOL=simh-Visual-Studio-Project;_CRT_NONSTDC_NO_WARNINGS;_CRT_SECURE_NO_WARNINGS;_WINSOCK_DEPRECATED_NO_WARNINGS;USE_SIM_CARD;SIM_NEED_GIT_COMMIT_ID;HAVE_PCRE_H;PCRE_STATIC;PTW32_STATIC_LIB;USE_READER_THREAD;SIM_ASYNCH_IO"
 				StringPooling="true"
 				RuntimeLibrary="0"
 				EnableFunctionLevelLinking="true"
@@ -147,7 +147,7 @@
 			/>
 			<Tool
 				Name="VCLinkerTool"
-				AdditionalDependencies="libcmt.lib wsock32.lib winmm.lib Iphlpapi.lib pcrestatic.lib pcreposixstatic.lib zlib.lib dxguid.lib Imm32.lib Version.lib"
+				AdditionalDependencies="libcmt.lib wsock32.lib winmm.lib Iphlpapi.lib pcrestatic.lib SDL2-Static.lib SDL2_ttf-Static.lib freetype2412MT.lib libpng16.lib zlib.lib dxguid.lib Imm32.lib Version.lib"
 				LinkIncremental="1"
 				AdditionalLibraryDirectories="../../windows-build/lib/Release/"
 				GenerateDebugInformation="false"
@@ -241,6 +241,29 @@
 				RelativePath="..\ICL1900\icl1900_tr.c"
 				>
 			</File>
+ 			<File
+ 				RelativePath="..\..\windows-build\pthreads\pthread.c"
+ 				>
+ 				<FileConfiguration
+ 					Name="Debug|Win32"
+ 					>
+ 					<Tool
+ 						Name="VCCLCompilerTool"
+ 						PreprocessorDefinitions="HAVE_CONFIG_H;PTW32_BUILD_INLINED;PTW32_STATIC_LIB;__CLEANUP_C;$(NOINHERIT)"
+ 						CompileAs="1"
+ 					/>
+ 				</FileConfiguration>
+ 				<FileConfiguration
+ 					Name="Release|Win32"
+ 					>
+ 					<Tool
+ 						Name="VCCLCompilerTool"
+ 						WholeProgramOptimization="false"
+ 						PreprocessorDefinitions="HAVE_CONFIG_H;PTW32_BUILD_INLINED;PTW32_STATIC_LIB;__CLEANUP_C;$(NOINHERIT)"
+ 						CompileAs="1"
+ 					/>
+ 				</FileConfiguration>
+ 			</File>
 			<File
 				RelativePath="..\scp.c"
 				>
diff --git a/Visual Studio Projects/SEL32.vcproj b/Visual Studio Projects/SEL32.vcproj
index b5a786e..ab743e9 100644
--- a/Visual Studio Projects/SEL32.vcproj	
+++ b/Visual Studio Projects/SEL32.vcproj	
@@ -26,7 +26,7 @@
 			<Tool
 				Name="VCPreBuildEventTool"
 				Description="Check for required build dependencies &amp; git commit id"
-				CommandLine="Pre-Build-Event.cmd &quot;$(TargetDir)$(TargetName).exe&quot; LIBPCRE"
+				CommandLine="Pre-Build-Event.cmd &quot;$(TargetDir)$(TargetName).exe&quot; LIBPCRE BUILD LIBSDL"
 			/>  
 			<Tool
 				Name="VCCustomBuildTool"
@@ -40,10 +40,9 @@
 			<Tool
 				Name="VCCLCompilerTool"
 				Optimization="0"
-				AdditionalIncludeDirectories="./SEL32;.;..;../../windows-build/libSDL/SDL2-2.0.5/include;./;../;../slirp;../slirp_glue;../slirp_glue/qemu;../slirp_glue/qemu/win32/include;../../windows-build/winpcap/Wpdpack/Include;../../windows-build/PCRE/include/;../../windows-build/pthreads;../../windows-build/libSDL/SDL2-2.0.8/include;../../windows-build/libpng-1.6.18"
-				PreprocessorDefinitions="SIM_BUILD_TOOL=simh-Visual-Studio-Project;_CRT_NONSTDC_NO_WARNINGS;_CRT_SECURE_NO_WARNINGS;_WINSOCK_DEPRECATED_NO_WARNINGS;SIM_NEED_GIT_COMMIT_ID;HAVE_PCREPOSIX_H;PCRE_STATIC"
+				AdditionalIncludeDirectories="./SEL32;.;..;../../windows-build/libSDL/SDL2-2.0.5/include;./;../;../slirp;../slirp_glue;../slirp_glue/qemu;../slirp_glue/qemu/win32/include;../../windows-build/include/;../../windows-build/libSDL/SDL2-2.0.8/include;../../windows-build/libpng-1.6.18"
+				PreprocessorDefinitions="SIM_BUILD_TOOL=simh-Visual-Studio-Project;_CRT_NONSTDC_NO_WARNINGS;_CRT_SECURE_NO_WARNINGS;_WINSOCK_DEPRECATED_NO_WARNINGS;SIM_NEED_GIT_COMMIT_ID;HAVE_PCRE_H;;PCRE_STATIC;PTW32_STATIC_LIB;USE_READER_THREAD;SIM_ASYNC_H_IO"
 				KeepComments="false"
-				MinimalRebuild="true"
 				BasicRuntimeChecks="0"
 				RuntimeLibrary="1"
 				UsePrecompiledHeader="0"
@@ -63,7 +62,8 @@
 			/>  
 			<Tool
 				Name="VCLinkerTool"
-				AdditionalDependencies="libcmtd.lib wsock32.lib winmm.lib Iphlpapi.lib pcrestaticd.lib pcreposixstaticd.lib SDL2-StaticD.lib SDL2_ttf-StaticD.lib freetype2412MT_D.lib libpng16.lib zlib.lib dxguid.lib Imm32.lib Version.lib"
+				MinimalRebuild="true"
+				AdditionalDependencies="libcmtd.lib wsock32.lib winmm.lib Iphlpapi.lib pcrestaticd.lib SDL2-StaticD.lib SDL2_ttf-StaticD.lib freetype2412MT_D.lib libpng16.lib zlib.lib dxguid.lib Imm32.lib Version.lib"
 				LinkIncremental="1"
 				AdditionalLibraryDirectories="../../windows-build/lib/Debug/"
 				GenerateDebugInformation="true"
@@ -108,7 +108,7 @@
 			<Tool
 				Name="VCPreBuildEventTool"
 				Description="Check for required build dependencies &amp; git commit id"
-				CommandLine="Pre-Build-Event.cmd &quot;$(TargetDir)$(TargetName).exe&quot; LIBPCRE"
+				CommandLine="Pre-Build-Event.cmd &quot;$(TargetDir)$(TargetName).exe&quot; LIBPCRE BUILD LIBSDL"
 			/>  
 			<Tool
 				Name="VCCustomBuildTool"
@@ -125,8 +125,8 @@
 				InlineFunctionExpansion="1"
 				OmitFramePointers="true"
 				WholeProgramOptimization="true"
-				AdditionalIncludeDirectories="./SEL32;.;..;../../windows-build/libSDL/SDL2-2.0.5/include;./;../;../slirp;../slirp_glue;../slirp_glue/qemu;../slirp_glue/qemu/win32/include;../../windows-build/winpcap/Wpdpack/Include;../../windows-build/PCRE/include/;../../windows-build/pthreads;../../windows-build/libSDL/SDL2-2.0.8/include;../../windows-build/libpng-1.6.18"
-				PreprocessorDefinitions="SIM_BUILD_TOOL=simh-Visual-Studio-Project;_CRT_NONSTDC_NO_WARNINGS;_CRT_SECURE_NO_WARNINGS;_WINSOCK_DEPRECATED_NO_WARNINGS;SIM_NEED_GIT_COMMIT_ID;HAVE_PCREPOSIX_H;PCRE_STATIC"
+				AdditionalIncludeDirectories="./SEL32;.;..;../../windows-build/libSDL/SDL2-2.0.5/include;./;../;../slirp;../slirp_glue;../slirp_glue/qemu;../slirp_glue/qemu/win32/include;../../windows-build/include/;../../windows-build/libSDL/SDL2-2.0.8/include;../../windows-build/libpng-1.6.18"
+				PreprocessorDefinitions="SIM_BUILD_TOOL=simh-Visual-Studio-Project;_CRT_NONSTDC_NO_WARNINGS;_CRT_SECURE_NO_WARNINGS;_WINSOCK_DEPRECATED_NO_WARNINGS;SIM_NEED_GIT_COMMIT_ID;HAVE_PCRE_H;PCRE_STATIC;PTW32_STATIC_LIB;USE_READER_THREAD;SIM_ASYNC_H_IO"
 				StringPooling="true"
 				RuntimeLibrary="0"
 				EnableFunctionLevelLinking="true"
@@ -146,7 +146,7 @@
 			/>  
 			<Tool
 				Name="VCLinkerTool"
-				AdditionalDependencies="libcmt.lib wsock32.lib winmm.lib Iphlpapi.lib pcrestatic.lib pcreposixstatic.lib SDL2-Static.lib SDL2_ttf-Static.lib freetype2412MT.lib libpng16.lib zlib.lib dxguid.lib Imm32.lib Version.lib"
+				AdditionalDependencies="libcmt.lib wsock32.lib winmm.lib Iphlpapi.lib pcrestatic.lib SDL2-Static.lib SDL2_ttf-Static.lib freetype2412MT.lib libpng16.lib zlib.lib dxguid.lib Imm32.lib Version.lib"
 				LinkIncremental="1"
 				AdditionalLibraryDirectories="../../windows-build/lib/Release/"
 				GenerateDebugInformation="false"
@@ -224,6 +224,10 @@
 				RelativePath="..\SEL32\sel32_fltpt.c"
 				>  
 			</File>
+			<File
+				RelativePath="..\SEL32\sel32_hsdp.c"
+				>  
+			</File>
 			<File
 				RelativePath="..\SEL32\sel32_iop.c"
 				>  
@@ -232,6 +236,10 @@
 				RelativePath="..\SEL32\sel32_lpr.c"
 				>  
 			</File>
+			<File
+				RelativePath="..\SEL32\sel32_mfp.c"
+				>  
+			</File>
 			<File
 				RelativePath="..\SEL32\sel32_mt.c"
 				>  
@@ -240,10 +248,37 @@
 				RelativePath="..\SEL32\sel32_scfi.c"
 				>  
 			</File>
+			<File
+				RelativePath="..\SEL32\sel32_scsi.c"
+				>  
+			</File>
 			<File
 				RelativePath="..\SEL32\sel32_sys.c"
 				>  
 			</File>
+ 			<File
+ 				RelativePath="..\..\windows-build\pthreads\pthread.c"
+ 				>
+ 				<FileConfiguration
+ 					Name="Debug|Win32"
+ 					>
+ 					<Tool
+ 						Name="VCCLCompilerTool"
+ 						PreprocessorDefinitions="HAVE_CONFIG_H;PTW32_BUILD_INLINED;PTW32_STATIC_LIB;__CLEANUP_C;$(NOINHERIT)"
+ 						CompileAs="1"
+ 					/>
+ 				</FileConfiguration>
+ 				<FileConfiguration
+ 					Name="Release|Win32"
+ 					>
+ 					<Tool
+ 						Name="VCCLCompilerTool"
+ 						WholeProgramOptimization="false"
+ 						PreprocessorDefinitions="HAVE_CONFIG_H;PTW32_BUILD_INLINED;PTW32_STATIC_LIB;__CLEANUP_C;$(NOINHERIT)"
+ 						CompileAs="1"
+ 					/>
+ 				</FileConfiguration>
+ 			</File>
 			<File
 				RelativePath="..\sim_console.c"
 				>  
diff --git a/Visual Studio Projects/Simh.sln b/Visual Studio Projects/Simh.sln
index 3596783..f33ce6e 100644
--- a/Visual Studio Projects/Simh.sln	
+++ b/Visual Studio Projects/Simh.sln	
@@ -66,7 +66,7 @@ Project("{8BC9CEB8-8B4A-11D0-8D11-00A0C91BC942}") = "SEL32", "SEL32.vcproj", "{9
 		{D40F3AF1-EEE7-4432-9807-2AD287B490F8} = {D40F3AF1-EEE7-4432-9807-2AD287B490F8}
 	EndProjectSection
 EndProject
-Project("{8BC9CEB8-8B4A-11D0-8D11-00A0C91BC942}") = "I701", "..\..\simh\Visual Studio Projects\I701.vcproj", "{F1F44607-FB9E-428C-AD8F-56F98699D121}"
+Project("{8BC9CEB8-8B4A-11D0-8D11-00A0C91BC942}") = "I701", "I701.vcproj", "{F1F44607-FB9E-428C-AD8F-56F98699D121}"
 	ProjectSection(ProjectDependencies) = postProject
 		{D40F3AF1-EEE7-4432-9807-2AD287B490F8} = {D40F3AF1-EEE7-4432-9807-2AD287B490F8}
 	EndProjectSection