diff --git a/Visual Studio Projects/PDP10-KA.vcproj b/Visual Studio Projects/PDP10-KA.vcproj
index 6b1a13b5..86c61301 100644
--- a/Visual Studio Projects/PDP10-KA.vcproj	
+++ b/Visual Studio Projects/PDP10-KA.vcproj	
@@ -41,7 +41,7 @@
 				Name="VCCLCompilerTool"
 				Optimization="0"
 				AdditionalIncludeDirectories="../PDP10/;../PDP11/;../VAX/;../../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="USE_INT64;USE_SIM_CARD;KA=1;USE_DISPLAY;USE_SIM_VIDEO;HAVE_LIBSDL;USE_SHARED;_CRT_NONSTDC_NO_WARNINGS;_CRT_SECURE_NO_WARNINGS;_WINSOCK_DEPRECATED_NO_WARNINGS;SIM_NEED_GIT_COMMIT_ID;HAVE_PCREPOSIX_H;PCRE_STATIC;PTW32_STATIC_LIB;USE_READER_THREAD;SIM_ASYNCH_IO"
+				PreprocessorDefinitions="USE_INT64;USE_SIM_CARD;KA=1;USE_DISPLAY;USE_SIM_VIDEO;HAVE_LIBSDL;USE_SHARED;HAVE_SLIRP_NETWORK;USE_SIMH_SLIRP_DEBUG;_CRT_NONSTDC_NO_WARNINGS;_CRT_SECURE_NO_WARNINGS;_WINSOCK_DEPRECATED_NO_WARNINGS;SIM_NEED_GIT_COMMIT_ID;HAVE_PCREPOSIX_H;PCRE_STATIC;PTW32_STATIC_LIB;USE_READER_THREAD;SIM_ASYNCH_IO"
 				KeepComments="false"
 				BasicRuntimeChecks="0"
 				RuntimeLibrary="1"
@@ -126,7 +126,7 @@
 				OmitFramePointers="true"
 				WholeProgramOptimization="true"
 				AdditionalIncludeDirectories="../PDP10/;../PDP11/;../VAX/;../../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="USE_INT64;USE_SIM_CARD;KA=1;USE_DISPLAY;USE_SIM_VIDEO;HAVE_LIBSDL;USE_SHARED;_CRT_NONSTDC_NO_WARNINGS;_CRT_SECURE_NO_WARNINGS;_WINSOCK_DEPRECATED_NO_WARNINGS;SIM_NEED_GIT_COMMIT_ID;HAVE_PCREPOSIX_H;PCRE_STATIC;PTW32_STATIC_LIB;USE_READER_THREAD;SIM_ASYNCH_IO"
+				PreprocessorDefinitions="USE_INT64;USE_SIM_CARD;KA=1;USE_DISPLAY;USE_SIM_VIDEO;HAVE_LIBSDL;USE_SHARED;HAVE_SLIRP_NETWORK;USE_SIMH_SLIRP_DEBUG;_CRT_NONSTDC_NO_WARNINGS;_CRT_SECURE_NO_WARNINGS;_WINSOCK_DEPRECATED_NO_WARNINGS;SIM_NEED_GIT_COMMIT_ID;HAVE_PCREPOSIX_H;PCRE_STATIC;PTW32_STATIC_LIB;USE_READER_THREAD;SIM_ASYNCH_IO"
 				StringPooling="true"
 				RuntimeLibrary="0"
 				EnableFunctionLevelLinking="true"
@@ -432,6 +432,170 @@
 					>
 				</File>
 			</Filter>
+			<Filter
+				Name="slirp"
+				>
+				<File
+					RelativePath="..\slirp\arp_table.c"
+					>
+				</File>
+				<File
+					RelativePath="..\slirp\bootp.c"
+					>
+				</File>
+				<File
+					RelativePath="..\slirp\bootp.h"
+					>
+				</File>
+				<File
+					RelativePath="..\slirp\cksum.c"
+					>
+				</File>
+				<File
+					RelativePath="..\slirp\debug.h"
+					>
+				</File>
+				<File
+					RelativePath="..\slirp\dnssearch.c"
+					>
+				</File>
+				<File
+					RelativePath="..\slirp_glue\glib_qemu_stubs.c"
+					>
+				</File>
+				<File
+					RelativePath="..\slirp\if.c"
+					>
+				</File>
+				<File
+					RelativePath="..\slirp\if.h"
+					>
+				</File>
+				<File
+					RelativePath="..\slirp\ip.h"
+					>
+				</File>
+				<File
+					RelativePath="..\slirp\ip_icmp.c"
+					>
+				</File>
+				<File
+					RelativePath="..\slirp\ip_icmp.h"
+					>
+				</File>
+				<File
+					RelativePath="..\slirp\ip_input.c"
+					>
+				</File>
+				<File
+					RelativePath="..\slirp\ip_output.c"
+					>
+				</File>
+				<File
+					RelativePath="..\slirp\libslirp.h"
+					>
+				</File>
+				<File
+					RelativePath="..\slirp\main.h"
+					>
+				</File>
+				<File
+					RelativePath="..\slirp\mbuf.c"
+					>
+				</File>
+				<File
+					RelativePath="..\slirp\mbuf.h"
+					>
+				</File>
+				<File
+					RelativePath="..\slirp\misc.c"
+					>
+				</File>
+				<File
+					RelativePath="..\slirp\misc.h"
+					>
+				</File>
+				<File
+					RelativePath="..\slirp\sbuf.c"
+					>
+				</File>
+				<File
+					RelativePath="..\slirp\sbuf.h"
+					>
+				</File>
+				<File
+					RelativePath="..\slirp_glue\sim_slirp.c"
+					>
+				</File>
+				<File
+					RelativePath="..\slirp\slirp.c"
+					>
+				</File>
+				<File
+					RelativePath="..\slirp\slirp.h"
+					>
+				</File>
+				<File
+					RelativePath="..\slirp\slirp_config.h"
+					>
+				</File>
+				<File
+					RelativePath="..\slirp\socket.c"
+					>
+				</File>
+				<File
+					RelativePath="..\slirp\socket.h"
+					>
+				</File>
+				<File
+					RelativePath="..\slirp\tcp.h"
+					>
+				</File>
+				<File
+					RelativePath="..\slirp\tcp_input.c"
+					>
+				</File>
+				<File
+					RelativePath="..\slirp\tcp_output.c"
+					>
+				</File>
+				<File
+					RelativePath="..\slirp\tcp_subr.c"
+					>
+				</File>
+				<File
+					RelativePath="..\slirp\tcp_timer.c"
+					>
+				</File>
+				<File
+					RelativePath="..\slirp\tcp_timer.h"
+					>
+				</File>
+				<File
+					RelativePath="..\slirp\tcp_var.h"
+					>
+				</File>
+				<File
+					RelativePath="..\slirp\tcpip.h"
+					>
+				</File>
+				<File
+					RelativePath="..\slirp\tftp.c"
+					>
+				</File>
+				<File
+					RelativePath="..\slirp\tftp.h"
+					>
+				</File>
+				<File
+					RelativePath="..\slirp\udp.c"
+					>
+				</File>
+				<File
+					RelativePath="..\slirp\udp.h"
+					>
+				</File>
+			</Filter>
 		</Filter>
 		<Filter
 			Name="Header Files"
diff --git a/Visual Studio Projects/PDP10-KI.vcproj b/Visual Studio Projects/PDP10-KI.vcproj
index b16ccb12..d05d4bd2 100644
--- a/Visual Studio Projects/PDP10-KI.vcproj	
+++ b/Visual Studio Projects/PDP10-KI.vcproj	
@@ -41,7 +41,7 @@
 				Name="VCCLCompilerTool"
 				Optimization="0"
 				AdditionalIncludeDirectories="../PDP10/;../PDP11/;../VAX/;../../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="USE_INT64;USE_SIM_CARD;KI=1;USE_SHARED;USE_DISPLAY;DISPLAY_TYPE=DIS_TYPE30;PIX_SCALE=RES_HALF;USE_SIM_VIDEO;HAVE_LIBSDL;_CRT_NONSTDC_NO_WARNINGS;_CRT_SECURE_NO_WARNINGS;_WINSOCK_DEPRECATED_NO_WARNINGS;SIM_NEED_GIT_COMMIT_ID;HAVE_PCREPOSIX_H;PCRE_STATIC"
+				PreprocessorDefinitions="USE_INT64;USE_SIM_CARD;KI=1;USE_SHARED;HAVE_SLIRP_NETWORK;USE_SIMH_SLIRP_DEBUGUSE_DISPLAY;DISPLAY_TYPE=DIS_TYPE30;PIX_SCALE=RES_HALF;USE_SIM_VIDEO;HAVE_LIBSDL;_CRT_NONSTDC_NO_WARNINGS;_CRT_SECURE_NO_WARNINGS;_WINSOCK_DEPRECATED_NO_WARNINGS;SIM_NEED_GIT_COMMIT_ID;HAVE_PCREPOSIX_H;PCRE_STATIC"
 				KeepComments="false"
 				BasicRuntimeChecks="0"
 				RuntimeLibrary="1"
@@ -126,7 +126,7 @@
 				OmitFramePointers="true"
 				WholeProgramOptimization="true"
 				AdditionalIncludeDirectories="../PDP10/;../PDP11/;../VAX/;../../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="USE_INT64;USE_SIM_CARD;KI=1;USE_SHARED;USE_DISPLAY;DISPLAY_TYPE=DIS_TYPE30;PIX_SCALE=RES_HALF;USE_SIM_VIDEO;HAVE_LIBSDL;_CRT_NONSTDC_NO_WARNINGS;_CRT_SECURE_NO_WARNINGS;_WINSOCK_DEPRECATED_NO_WARNINGS;SIM_NEED_GIT_COMMIT_ID;HAVE_PCREPOSIX_H;PCRE_STATIC"
+				PreprocessorDefinitions="USE_INT64;USE_SIM_CARD;KI=1;USE_SHARED;HAVE_SLIRP_NETWORK;USE_SIMH_SLIRP_DEBUGUSE_DISPLAY;DISPLAY_TYPE=DIS_TYPE30;PIX_SCALE=RES_HALF;USE_SIM_VIDEO;HAVE_LIBSDL;_CRT_NONSTDC_NO_WARNINGS;_CRT_SECURE_NO_WARNINGS;_WINSOCK_DEPRECATED_NO_WARNINGS;SIM_NEED_GIT_COMMIT_ID;HAVE_PCREPOSIX_H;PCRE_STATIC"
 				StringPooling="true"
 				RuntimeLibrary="0"
 				EnableFunctionLevelLinking="true"
@@ -364,6 +364,170 @@
 					>
 				</File>
 			</Filter>
+			<Filter
+				Name="slirp"
+				>
+				<File
+					RelativePath="..\slirp\arp_table.c"
+					>
+				</File>
+				<File
+					RelativePath="..\slirp\bootp.c"
+					>
+				</File>
+				<File
+					RelativePath="..\slirp\bootp.h"
+					>
+				</File>
+				<File
+					RelativePath="..\slirp\cksum.c"
+					>
+				</File>
+				<File
+					RelativePath="..\slirp\debug.h"
+					>
+				</File>
+				<File
+					RelativePath="..\slirp\dnssearch.c"
+					>
+				</File>
+				<File
+					RelativePath="..\slirp_glue\glib_qemu_stubs.c"
+					>
+				</File>
+				<File
+					RelativePath="..\slirp\if.c"
+					>
+				</File>
+				<File
+					RelativePath="..\slirp\if.h"
+					>
+				</File>
+				<File
+					RelativePath="..\slirp\ip.h"
+					>
+				</File>
+				<File
+					RelativePath="..\slirp\ip_icmp.c"
+					>
+				</File>
+				<File
+					RelativePath="..\slirp\ip_icmp.h"
+					>
+				</File>
+				<File
+					RelativePath="..\slirp\ip_input.c"
+					>
+				</File>
+				<File
+					RelativePath="..\slirp\ip_output.c"
+					>
+				</File>
+				<File
+					RelativePath="..\slirp\libslirp.h"
+					>
+				</File>
+				<File
+					RelativePath="..\slirp\main.h"
+					>
+				</File>
+				<File
+					RelativePath="..\slirp\mbuf.c"
+					>
+				</File>
+				<File
+					RelativePath="..\slirp\mbuf.h"
+					>
+				</File>
+				<File
+					RelativePath="..\slirp\misc.c"
+					>
+				</File>
+				<File
+					RelativePath="..\slirp\misc.h"
+					>
+				</File>
+				<File
+					RelativePath="..\slirp\sbuf.c"
+					>
+				</File>
+				<File
+					RelativePath="..\slirp\sbuf.h"
+					>
+				</File>
+				<File
+					RelativePath="..\slirp_glue\sim_slirp.c"
+					>
+				</File>
+				<File
+					RelativePath="..\slirp\slirp.c"
+					>
+				</File>
+				<File
+					RelativePath="..\slirp\slirp.h"
+					>
+				</File>
+				<File
+					RelativePath="..\slirp\slirp_config.h"
+					>
+				</File>
+				<File
+					RelativePath="..\slirp\socket.c"
+					>
+				</File>
+				<File
+					RelativePath="..\slirp\socket.h"
+					>
+				</File>
+				<File
+					RelativePath="..\slirp\tcp.h"
+					>
+				</File>
+				<File
+					RelativePath="..\slirp\tcp_input.c"
+					>
+				</File>
+				<File
+					RelativePath="..\slirp\tcp_output.c"
+					>
+				</File>
+				<File
+					RelativePath="..\slirp\tcp_subr.c"
+					>
+				</File>
+				<File
+					RelativePath="..\slirp\tcp_timer.c"
+					>
+				</File>
+				<File
+					RelativePath="..\slirp\tcp_timer.h"
+					>
+				</File>
+				<File
+					RelativePath="..\slirp\tcp_var.h"
+					>
+				</File>
+				<File
+					RelativePath="..\slirp\tcpip.h"
+					>
+				</File>
+				<File
+					RelativePath="..\slirp\tftp.c"
+					>
+				</File>
+				<File
+					RelativePath="..\slirp\tftp.h"
+					>
+				</File>
+				<File
+					RelativePath="..\slirp\udp.c"
+					>
+				</File>
+				<File
+					RelativePath="..\slirp\udp.h"
+					>
+				</File>
+			</Filter>
 		</Filter>
 		<Filter
 			Name="Header Files"