diff --git a/Visual Studio Projects/Simh.sln b/Visual Studio Projects/Simh.sln
index 6ec2a7b9..b64a2a45 100644
--- a/Visual Studio Projects/Simh.sln
+++ b/Visual Studio Projects/Simh.sln
@@ -413,6 +413,10 @@ Project("{8BC9CEB8-8B4A-11D0-8D11-00A0C91BC942}") = "imlac", "imlac.vcproj", "{7
{D40F3AF1-EEE7-4432-9807-2AD287B490F8} = {D40F3AF1-EEE7-4432-9807-2AD287B490F8}
EndProjectSection
EndProject
+Project("{8BC9CEB8-8B4A-11D0-8D11-00A0C91BC942}") = "isdk80", "isdk80.vcproj", "{6641B210-6A57-4A74-A484-042D7E10EA14}"
+EndProject
+Project("{8BC9CEB8-8B4A-11D0-8D11-00A0C91BC942}") = "ids880", "ids880.vcproj", "{7544004D-B821-4577-BA3A-24C38CE27AFA}"
+EndProject
Global
GlobalSection(SolutionConfigurationPlatforms) = preSolution
Debug|Win32 = Debug|Win32
@@ -751,6 +755,14 @@ Global
{7AB92E01-D278-4A8F-8493-ED58187AF3A1}.Debug|Win32.Build.0 = Debug|Win32
{7AB92E01-D278-4A8F-8493-ED58187AF3A1}.Release|Win32.ActiveCfg = Release|Win32
{7AB92E01-D278-4A8F-8493-ED58187AF3A1}.Release|Win32.Build.0 = Release|Win32
+ {6641B210-6A57-4A74-A484-042D7E10EA14}.Debug|Win32.ActiveCfg = Debug|Win32
+ {6641B210-6A57-4A74-A484-042D7E10EA14}.Debug|Win32.Build.0 = Debug|Win32
+ {6641B210-6A57-4A74-A484-042D7E10EA14}.Release|Win32.ActiveCfg = Release|Win32
+ {6641B210-6A57-4A74-A484-042D7E10EA14}.Release|Win32.Build.0 = Release|Win32
+ {7544004D-B821-4577-BA3A-24C38CE27AFA}.Debug|Win32.ActiveCfg = Debug|Win32
+ {7544004D-B821-4577-BA3A-24C38CE27AFA}.Debug|Win32.Build.0 = Debug|Win32
+ {7544004D-B821-4577-BA3A-24C38CE27AFA}.Release|Win32.ActiveCfg = Release|Win32
+ {7544004D-B821-4577-BA3A-24C38CE27AFA}.Release|Win32.Build.0 = Release|Win32
EndGlobalSection
GlobalSection(SolutionProperties) = preSolution
HideSolutionNode = FALSE
diff --git a/Visual Studio Projects/ids880.vcproj b/Visual Studio Projects/ids880.vcproj
new file mode 100644
index 00000000..f55b800a
--- /dev/null
+++ b/Visual Studio Projects/ids880.vcproj
@@ -0,0 +1,336 @@
+
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diff --git a/Visual Studio Projects/isdk80.vcproj b/Visual Studio Projects/isdk80.vcproj
new file mode 100644
index 00000000..50a97f1a
--- /dev/null
+++ b/Visual Studio Projects/isdk80.vcproj
@@ -0,0 +1,340 @@
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diff --git a/makefile b/makefile
index 0d309449..38db3540 100644
--- a/makefile
+++ b/makefile
@@ -2080,7 +2080,7 @@ ALL = pdp1 pdp4 pdp7 pdp8 pdp9 pdp15 pdp11 pdp10 \
microvax3100m80 vaxstation4000vlc infoserver1000 \
nova eclipse hp2100 hp3000 i1401 i1620 s3 altair altairz80 gri \
i7094 ibm1130 id16 id32 sds lgp h316 cdc1700 \
- swtp6800mp-a swtp6800mp-a2 tx-0 ssem b5500 isys8010 isys8020 \
+ swtp6800mp-a swtp6800mp-a2 tx-0 ssem b5500 isdk80 ids880 isys8010 isys8020 \
isys8030 isys8024 imds-210 imds-220 imds-225 imds-230 imds-800 imds-810 \
scelbi 3b2 i701 i704 i7010 i7070 i7080 i7090 \
sigma uc15 pdp10-ka pdp10-ki pdp10-kl pdp6 i650