diff --git a/Visual Studio Projects/3B2-600.vcproj b/Visual Studio Projects/3B2-600.vcproj
index 4f970e32..09106192 100644
--- a/Visual Studio Projects/3B2-600.vcproj	
+++ b/Visual Studio Projects/3B2-600.vcproj	
@@ -47,6 +47,7 @@
 				RuntimeLibrary="1"
 				UsePrecompiledHeader="0"
 				WarningLevel="3"
+				WarnAsError="true"
 				DebugInformationFormat="3"
 				CompileAs="1"
 				ShowIncludes="false"
@@ -131,6 +132,7 @@
 				EnableFunctionLevelLinking="true"
 				UsePrecompiledHeader="0"
 				WarningLevel="3"
+				WarnAsError="true"
 				DebugInformationFormat="3"
 				CompileAs="1"
 			/>
@@ -557,7 +559,8 @@
 		</Filter>
 		<Filter
 			Name="Header Files"
-			Filter="h;hpp;hxx;hm;inl;inc"			>
+			Filter="h;hpp;hxx;hm;inl;inc"
+			>
 			<File
 				RelativePath="..\3B2\3b2_cpu.h"
 				>
diff --git a/Visual Studio Projects/3B2.vcproj b/Visual Studio Projects/3B2.vcproj
index 1596d94b..49215c6d 100644
--- a/Visual Studio Projects/3B2.vcproj	
+++ b/Visual Studio Projects/3B2.vcproj	
@@ -47,6 +47,7 @@
 				RuntimeLibrary="1"
 				UsePrecompiledHeader="0"
 				WarningLevel="3"
+				WarnAsError="true"
 				DebugInformationFormat="3"
 				CompileAs="1"
 				ShowIncludes="false"
@@ -131,6 +132,7 @@
 				EnableFunctionLevelLinking="true"
 				UsePrecompiledHeader="0"
 				WarningLevel="3"
+				WarnAsError="true"
 				DebugInformationFormat="3"
 				CompileAs="1"
 			/>
@@ -557,7 +559,8 @@
 		</Filter>
 		<Filter
 			Name="Header Files"
-			Filter="h;hpp;hxx;hm;inl;inc"			>
+			Filter="h;hpp;hxx;hm;inl;inc"
+			>
 			<File
 				RelativePath="..\3B2\3b2_cpu.h"
 				>
diff --git a/Visual Studio Projects/ALTAIR.vcproj b/Visual Studio Projects/ALTAIR.vcproj
index 06b7b466..e90295af 100644
--- a/Visual Studio Projects/ALTAIR.vcproj	
+++ b/Visual Studio Projects/ALTAIR.vcproj	
@@ -47,6 +47,7 @@
 				RuntimeLibrary="1"
 				UsePrecompiledHeader="0"
 				WarningLevel="3"
+				WarnAsError="true"
 				DebugInformationFormat="3"
 				CompileAs="1"
 				ShowIncludes="false"
@@ -133,6 +134,7 @@
 				EnableFunctionLevelLinking="true"
 				UsePrecompiledHeader="0"
 				WarningLevel="3"
+				WarnAsError="true"
 				DebugInformationFormat="3"
 				CompileAs="1"
 			/>
@@ -322,7 +324,8 @@
 		</Filter>
 		<Filter
 			Name="Header Files"
-			Filter="h;hpp;hxx;hm;inl;inc"			>
+			Filter="h;hpp;hxx;hm;inl;inc"
+			>
 			<File
 				RelativePath="..\Altair\altair_defs.h"
 				>
diff --git a/Visual Studio Projects/AltairZ80.vcproj b/Visual Studio Projects/AltairZ80.vcproj
index 123940d9..6916297f 100644
--- a/Visual Studio Projects/AltairZ80.vcproj	
+++ b/Visual Studio Projects/AltairZ80.vcproj	
@@ -47,6 +47,7 @@
 				RuntimeLibrary="1"
 				UsePrecompiledHeader="0"
 				WarningLevel="3"
+				WarnAsError="true"
 				DebugInformationFormat="3"
 				CompileAs="1"
 				ShowIncludes="false"
@@ -131,6 +132,7 @@
 				EnableFunctionLevelLinking="true"
 				UsePrecompiledHeader="0"
 				WarningLevel="3"
+				WarnAsError="true"
 				DebugInformationFormat="3"
 				CompileAs="1"
 			/>
@@ -502,7 +504,8 @@
 		</Filter>
 		<Filter
 			Name="Header Files"
-			Filter="h;hpp;hxx;hm;inl;inc"			>
+			Filter="h;hpp;hxx;hm;inl;inc"
+			>
 			<File
 				RelativePath="..\AltairZ80\altairz80_defs.h"
 				>
diff --git a/Visual Studio Projects/B5500.vcproj b/Visual Studio Projects/B5500.vcproj
index 7ffffae0..d07a592b 100644
--- a/Visual Studio Projects/B5500.vcproj	
+++ b/Visual Studio Projects/B5500.vcproj	
@@ -47,6 +47,7 @@
 				RuntimeLibrary="1"
 				UsePrecompiledHeader="0"
 				WarningLevel="3"
+				WarnAsError="true"
 				DebugInformationFormat="3"
 				CompileAs="1"
 				ShowIncludes="false"
@@ -131,6 +132,7 @@
 				EnableFunctionLevelLinking="true"
 				UsePrecompiledHeader="0"
 				WarningLevel="3"
+				WarnAsError="true"
 				DebugInformationFormat="3"
 				CompileAs="1"
 			/>
@@ -338,7 +340,8 @@
 		</Filter>
 		<Filter
 			Name="Header Files"
-			Filter="h;hpp;hxx;hm;inl;inc"			>
+			Filter="h;hpp;hxx;hm;inl;inc"
+			>
 			<File
 				RelativePath="..\B5500\b5500_defs.h"
 				>
diff --git a/Visual Studio Projects/BESM6.vcproj b/Visual Studio Projects/BESM6.vcproj
index bb0cfbcd..beb1fbfd 100644
--- a/Visual Studio Projects/BESM6.vcproj	
+++ b/Visual Studio Projects/BESM6.vcproj	
@@ -47,6 +47,7 @@
 				RuntimeLibrary="1"
 				UsePrecompiledHeader="0"
 				WarningLevel="3"
+				WarnAsError="true"
 				DebugInformationFormat="3"
 				CompileAs="1"
 				ShowIncludes="false"
@@ -131,6 +132,7 @@
 				EnableFunctionLevelLinking="true"
 				UsePrecompiledHeader="0"
 				WarningLevel="3"
+				WarnAsError="true"
 				DebugInformationFormat="3"
 				CompileAs="1"
 			/>
diff --git a/Visual Studio Projects/BuildROMs.vcproj b/Visual Studio Projects/BuildROMs.vcproj
index d30dc683..b2d9dedb 100644
--- a/Visual Studio Projects/BuildROMs.vcproj	
+++ b/Visual Studio Projects/BuildROMs.vcproj	
@@ -47,6 +47,7 @@
 				RuntimeLibrary="1"
 				UsePrecompiledHeader="0"
 				WarningLevel="3"
+				WarnAsError="true"
 				DebugInformationFormat="3"
 				CompileAs="1"
 				ShowIncludes="false"
@@ -131,6 +132,7 @@
 				EnableFunctionLevelLinking="true"
 				UsePrecompiledHeader="0"
 				WarningLevel="3"
+				WarnAsError="true"
 				DebugInformationFormat="3"
 				CompileAs="1"
 			/>
diff --git a/Visual Studio Projects/CDC1700.vcproj b/Visual Studio Projects/CDC1700.vcproj
index 05b3ea17..1c21f9c4 100644
--- a/Visual Studio Projects/CDC1700.vcproj	
+++ b/Visual Studio Projects/CDC1700.vcproj	
@@ -47,6 +47,7 @@
 				RuntimeLibrary="1"
 				UsePrecompiledHeader="0"
 				WarningLevel="3"
+				WarnAsError="true"
 				DebugInformationFormat="3"
 				CompileAs="1"
 				ShowIncludes="false"
@@ -131,6 +132,7 @@
 				EnableFunctionLevelLinking="true"
 				UsePrecompiledHeader="0"
 				WarningLevel="3"
+				WarnAsError="true"
 				DebugInformationFormat="3"
 				CompileAs="1"
 			/>
@@ -362,7 +364,8 @@
 		</Filter>
 		<Filter
 			Name="Header Files"
-			Filter="h;hpp;hxx;hm;inl;inc"			>
+			Filter="h;hpp;hxx;hm;inl;inc"
+			>
 			<File
 				RelativePath="..\CDC1700\cdc1700_defs.h"
 				>
diff --git a/Visual Studio Projects/ECLIPSE.vcproj b/Visual Studio Projects/ECLIPSE.vcproj
index 0dd18982..219dc37e 100644
--- a/Visual Studio Projects/ECLIPSE.vcproj	
+++ b/Visual Studio Projects/ECLIPSE.vcproj	
@@ -47,6 +47,7 @@
 				RuntimeLibrary="1"
 				UsePrecompiledHeader="0"
 				WarningLevel="3"
+				WarnAsError="true"
 				DebugInformationFormat="3"
 				CompileAs="1"
 				ShowIncludes="false"
@@ -131,6 +132,7 @@
 				EnableFunctionLevelLinking="true"
 				UsePrecompiledHeader="0"
 				WarningLevel="3"
+				WarnAsError="true"
 				DebugInformationFormat="3"
 				CompileAs="1"
 			/>
@@ -350,7 +352,8 @@
 		</Filter>
 		<Filter
 			Name="Header Files"
-			Filter="h;hpp;hxx;hm;inl;inc"			>
+			Filter="h;hpp;hxx;hm;inl;inc"
+			>
 			<File
 				RelativePath="..\scp.h"
 				>
diff --git a/Visual Studio Projects/FrontPanelTest.vcproj b/Visual Studio Projects/FrontPanelTest.vcproj
index 66bb653b..4f642118 100644
--- a/Visual Studio Projects/FrontPanelTest.vcproj	
+++ b/Visual Studio Projects/FrontPanelTest.vcproj	
@@ -46,6 +46,7 @@
 				RuntimeLibrary="1"
 				UsePrecompiledHeader="0"
 				WarningLevel="3"
+				WarnAsError="true"
 				DebugInformationFormat="3"
 				CompileAs="1"
 				ShowIncludes="false"
@@ -131,6 +132,7 @@
 				EnableFunctionLevelLinking="true"
 				UsePrecompiledHeader="0"
 				WarningLevel="3"
+				WarnAsError="true"
 				DebugInformationFormat="3"
 				CompileAs="1"
 			/>
diff --git a/Visual Studio Projects/GRI.vcproj b/Visual Studio Projects/GRI.vcproj
index 71dd2f28..0d780e0e 100644
--- a/Visual Studio Projects/GRI.vcproj	
+++ b/Visual Studio Projects/GRI.vcproj	
@@ -47,6 +47,7 @@
 				RuntimeLibrary="1"
 				UsePrecompiledHeader="0"
 				WarningLevel="3"
+				WarnAsError="true"
 				DebugInformationFormat="3"
 				CompileAs="1"
 				ShowIncludes="false"
@@ -131,6 +132,7 @@
 				EnableFunctionLevelLinking="true"
 				UsePrecompiledHeader="0"
 				WarningLevel="3"
+				WarnAsError="true"
 				DebugInformationFormat="3"
 				CompileAs="1"
 			/>
@@ -314,7 +316,8 @@
 		</Filter>
 		<Filter
 			Name="Header Files"
-			Filter="h;hpp;hxx;hm;inl;inc"			>
+			Filter="h;hpp;hxx;hm;inl;inc"
+			>
 			<File
 				RelativePath="..\GRI\gri_defs.h"
 				>
diff --git a/Visual Studio Projects/H316.vcproj b/Visual Studio Projects/H316.vcproj
index d42223db..91f4dd39 100644
--- a/Visual Studio Projects/H316.vcproj	
+++ b/Visual Studio Projects/H316.vcproj	
@@ -47,6 +47,7 @@
 				RuntimeLibrary="1"
 				UsePrecompiledHeader="0"
 				WarningLevel="3"
+				WarnAsError="true"
 				DebugInformationFormat="3"
 				CompileAs="1"
 				ShowIncludes="false"
@@ -131,6 +132,7 @@
 				EnableFunctionLevelLinking="true"
 				UsePrecompiledHeader="0"
 				WarningLevel="3"
+				WarnAsError="true"
 				DebugInformationFormat="3"
 				CompileAs="1"
 			/>
@@ -350,7 +352,8 @@
 		</Filter>
 		<Filter
 			Name="Header Files"
-			Filter="h;hpp;hxx;hm;inl;inc"			>
+			Filter="h;hpp;hxx;hm;inl;inc"
+			>
 			<File
 				RelativePath="..\H316\h316_defs.h"
 				>
diff --git a/Visual Studio Projects/HP2100.vcproj b/Visual Studio Projects/HP2100.vcproj
index 69a872e0..8bfaee27 100644
--- a/Visual Studio Projects/HP2100.vcproj	
+++ b/Visual Studio Projects/HP2100.vcproj	
@@ -47,6 +47,7 @@
 				RuntimeLibrary="1"
 				UsePrecompiledHeader="0"
 				WarningLevel="3"
+				WarnAsError="true"
 				DebugInformationFormat="3"
 				CompileAs="1"
 				ShowIncludes="false"
@@ -131,6 +132,7 @@
 				EnableFunctionLevelLinking="true"
 				UsePrecompiledHeader="0"
 				WarningLevel="3"
+				WarnAsError="true"
 				DebugInformationFormat="3"
 				CompileAs="1"
 			/>
@@ -438,7 +440,8 @@
 		</Filter>
 		<Filter
 			Name="Header Files"
-			Filter="h;hpp;hxx;hm;inl;inc"			>
+			Filter="h;hpp;hxx;hm;inl;inc"
+			>
 			<File
 				RelativePath="..\HP2100\hp2100_cpu.h"
 				>
diff --git a/Visual Studio Projects/HP3000.vcproj b/Visual Studio Projects/HP3000.vcproj
index 977e7315..240dbd32 100644
--- a/Visual Studio Projects/HP3000.vcproj	
+++ b/Visual Studio Projects/HP3000.vcproj	
@@ -47,6 +47,7 @@
 				RuntimeLibrary="1"
 				UsePrecompiledHeader="0"
 				WarningLevel="3"
+				WarnAsError="true"
 				DebugInformationFormat="3"
 				CompileAs="1"
 				ShowIncludes="false"
@@ -131,6 +132,7 @@
 				EnableFunctionLevelLinking="true"
 				UsePrecompiledHeader="0"
 				WarningLevel="3"
+				WarnAsError="true"
 				DebugInformationFormat="3"
 				CompileAs="1"
 			/>
@@ -370,7 +372,8 @@
 		</Filter>
 		<Filter
 			Name="Header Files"
-			Filter="h;hpp;hxx;hm;inl;inc"			>
+			Filter="h;hpp;hxx;hm;inl;inc"
+			>
 			<File
 				RelativePath="..\HP3000\hp3000_cpu.h"
 				>
diff --git a/Visual Studio Projects/I1401.vcproj b/Visual Studio Projects/I1401.vcproj
index 91403677..62313101 100644
--- a/Visual Studio Projects/I1401.vcproj	
+++ b/Visual Studio Projects/I1401.vcproj	
@@ -47,6 +47,7 @@
 				RuntimeLibrary="1"
 				UsePrecompiledHeader="0"
 				WarningLevel="3"
+				WarnAsError="true"
 				DebugInformationFormat="3"
 				CompileAs="1"
 				ShowIncludes="false"
@@ -131,6 +132,7 @@
 				EnableFunctionLevelLinking="true"
 				UsePrecompiledHeader="0"
 				WarningLevel="3"
+				WarnAsError="true"
 				DebugInformationFormat="3"
 				CompileAs="1"
 			/>
@@ -330,7 +332,8 @@
 		</Filter>
 		<Filter
 			Name="Header Files"
-			Filter="h;hpp;hxx;hm;inl;inc"			>
+			Filter="h;hpp;hxx;hm;inl;inc"
+			>
 			<File
 				RelativePath="..\I1401\i1401_dat.h"
 				>
diff --git a/Visual Studio Projects/I1620.vcproj b/Visual Studio Projects/I1620.vcproj
index d490ffc7..015bb6a0 100644
--- a/Visual Studio Projects/I1620.vcproj	
+++ b/Visual Studio Projects/I1620.vcproj	
@@ -47,6 +47,7 @@
 				RuntimeLibrary="1"
 				UsePrecompiledHeader="0"
 				WarningLevel="3"
+				WarnAsError="true"
 				DebugInformationFormat="3"
 				CompileAs="1"
 				ShowIncludes="false"
@@ -131,6 +132,7 @@
 				EnableFunctionLevelLinking="true"
 				UsePrecompiledHeader="0"
 				WarningLevel="3"
+				WarnAsError="true"
 				DebugInformationFormat="3"
 				CompileAs="1"
 			/>
@@ -334,7 +336,8 @@
 		</Filter>
 		<Filter
 			Name="Header Files"
-			Filter="h;hpp;hxx;hm;inl;inc"			>
+			Filter="h;hpp;hxx;hm;inl;inc"
+			>
 			<File
 				RelativePath="..\I1620\i1620_defs.h"
 				>
diff --git a/Visual Studio Projects/I650.vcproj b/Visual Studio Projects/I650.vcproj
index 4e466d54..58f9ca01 100644
--- a/Visual Studio Projects/I650.vcproj	
+++ b/Visual Studio Projects/I650.vcproj	
@@ -47,6 +47,7 @@
 				RuntimeLibrary="1"
 				UsePrecompiledHeader="0"
 				WarningLevel="3"
+				WarnAsError="true"
 				DebugInformationFormat="3"
 				CompileAs="1"
 				ShowIncludes="false"
@@ -131,6 +132,7 @@
 				EnableFunctionLevelLinking="true"
 				UsePrecompiledHeader="0"
 				WarningLevel="3"
+				WarnAsError="true"
 				DebugInformationFormat="3"
 				CompileAs="1"
 			/>
@@ -334,7 +336,8 @@
 		</Filter>
 		<Filter
 			Name="Header Files"
-			Filter="h;hpp;hxx;hm;inl;inc"			>
+			Filter="h;hpp;hxx;hm;inl;inc"
+			>
 			<File
 				RelativePath="..\I650\i650_defs.h"
 				>
diff --git a/Visual Studio Projects/I701.vcproj b/Visual Studio Projects/I701.vcproj
index 628f701e..9b802fe9 100644
--- a/Visual Studio Projects/I701.vcproj	
+++ b/Visual Studio Projects/I701.vcproj	
@@ -46,6 +46,7 @@
 				RuntimeLibrary="1"
 				UsePrecompiledHeader="0"
 				WarningLevel="3"
+				WarnAsError="true"
 				DebugInformationFormat="3"
 				CompileAs="1"
 			/>
@@ -129,6 +130,7 @@
 				EnableFunctionLevelLinking="true"
 				UsePrecompiledHeader="0"
 				WarningLevel="3"
+				WarnAsError="true"
 				DebugInformationFormat="3"
 				CompileAs="1"
 			/>
@@ -340,7 +342,8 @@
 		</Filter>
 		<Filter
 			Name="Header Files"
-			Filter="h;hpp;hxx;hm;inl;inc"			>
+			Filter="h;hpp;hxx;hm;inl;inc"
+			>
 			<File
 				RelativePath="..\I7000\i7000_defs.h"
 				>
diff --git a/Visual Studio Projects/I7010.vcproj b/Visual Studio Projects/I7010.vcproj
index e6470829..1fa87fb2 100644
--- a/Visual Studio Projects/I7010.vcproj	
+++ b/Visual Studio Projects/I7010.vcproj	
@@ -46,6 +46,7 @@
 				RuntimeLibrary="1"
 				UsePrecompiledHeader="0"
 				WarningLevel="3"
+				WarnAsError="true"
 				DebugInformationFormat="3"
 				CompileAs="1"
 			/>
@@ -129,6 +130,7 @@
 				EnableFunctionLevelLinking="true"
 				UsePrecompiledHeader="0"
 				WarningLevel="3"
+				WarnAsError="true"
 				DebugInformationFormat="3"
 				CompileAs="1"
 			/>
@@ -356,7 +358,8 @@
 		</Filter>
 		<Filter
 			Name="Header Files"
-			Filter="h;hpp;hxx;hm;inl;inc"			>
+			Filter="h;hpp;hxx;hm;inl;inc"
+			>
 			<File
 				RelativePath="..\I7000\i7000_defs.h"
 				>
diff --git a/Visual Studio Projects/I704.vcproj b/Visual Studio Projects/I704.vcproj
index eba79ece..ec48aa3c 100644
--- a/Visual Studio Projects/I704.vcproj	
+++ b/Visual Studio Projects/I704.vcproj	
@@ -46,6 +46,7 @@
 				RuntimeLibrary="1"
 				UsePrecompiledHeader="0"
 				WarningLevel="3"
+				WarnAsError="true"
 				DebugInformationFormat="3"
 				CompileAs="1"
 			/>
@@ -129,6 +130,7 @@
 				EnableFunctionLevelLinking="true"
 				UsePrecompiledHeader="0"
 				WarningLevel="3"
+				WarnAsError="true"
 				DebugInformationFormat="3"
 				CompileAs="1"
 			/>
@@ -340,7 +342,8 @@
 		</Filter>
 		<Filter
 			Name="Header Files"
-			Filter="h;hpp;hxx;hm;inl;inc"			>
+			Filter="h;hpp;hxx;hm;inl;inc"
+			>
 			<File
 				RelativePath="..\I7000\i7000_defs.h"
 				>
diff --git a/Visual Studio Projects/I7070.vcproj b/Visual Studio Projects/I7070.vcproj
index c0da745d..9258551a 100644
--- a/Visual Studio Projects/I7070.vcproj	
+++ b/Visual Studio Projects/I7070.vcproj	
@@ -46,6 +46,7 @@
 				RuntimeLibrary="1"
 				UsePrecompiledHeader="0"
 				WarningLevel="3"
+				WarnAsError="true"
 				DebugInformationFormat="3"
 				CompileAs="1"
 			/>
@@ -129,6 +130,7 @@
 				EnableFunctionLevelLinking="true"
 				UsePrecompiledHeader="0"
 				WarningLevel="3"
+				WarnAsError="true"
 				DebugInformationFormat="3"
 				CompileAs="1"
 			/>
@@ -356,7 +358,8 @@
 		</Filter>
 		<Filter
 			Name="Header Files"
-			Filter="h;hpp;hxx;hm;inl;inc"			>
+			Filter="h;hpp;hxx;hm;inl;inc"
+			>
 			<File
 				RelativePath="..\I7000\i7000_defs.h"
 				>
diff --git a/Visual Studio Projects/I7080.vcproj b/Visual Studio Projects/I7080.vcproj
index 5e0201bf..1236f417 100644
--- a/Visual Studio Projects/I7080.vcproj	
+++ b/Visual Studio Projects/I7080.vcproj	
@@ -46,6 +46,7 @@
 				RuntimeLibrary="1"
 				UsePrecompiledHeader="0"
 				WarningLevel="3"
+				WarnAsError="true"
 				DebugInformationFormat="3"
 				CompileAs="1"
 			/>
@@ -129,6 +130,7 @@
 				EnableFunctionLevelLinking="true"
 				UsePrecompiledHeader="0"
 				WarningLevel="3"
+				WarnAsError="true"
 				DebugInformationFormat="3"
 				CompileAs="1"
 			/>
@@ -360,7 +362,8 @@
 		</Filter>
 		<Filter
 			Name="Header Files"
-			Filter="h;hpp;hxx;hm;inl;inc"			>
+			Filter="h;hpp;hxx;hm;inl;inc"
+			>
 			<File
 				RelativePath="..\I7000\i7000_defs.h"
 				>
diff --git a/Visual Studio Projects/I7090.vcproj b/Visual Studio Projects/I7090.vcproj
index 2ab99df3..a3003876 100644
--- a/Visual Studio Projects/I7090.vcproj	
+++ b/Visual Studio Projects/I7090.vcproj	
@@ -46,6 +46,7 @@
 				RuntimeLibrary="1"
 				UsePrecompiledHeader="0"
 				WarningLevel="3"
+				WarnAsError="true"
 				DebugInformationFormat="3"
 				CompileAs="1"
 			/>
@@ -129,6 +130,7 @@
 				EnableFunctionLevelLinking="true"
 				UsePrecompiledHeader="0"
 				WarningLevel="3"
+				WarnAsError="true"
 				DebugInformationFormat="3"
 				CompileAs="1"
 			/>
@@ -360,7 +362,8 @@
 		</Filter>
 		<Filter
 			Name="Header Files"
-			Filter="h;hpp;hxx;hm;inl;inc"			>
+			Filter="h;hpp;hxx;hm;inl;inc"
+			>
 			<File
 				RelativePath="..\I7000\i7000_defs.h"
 				>
diff --git a/Visual Studio Projects/I7094.vcproj b/Visual Studio Projects/I7094.vcproj
index 035d570b..8135d7f0 100644
--- a/Visual Studio Projects/I7094.vcproj	
+++ b/Visual Studio Projects/I7094.vcproj	
@@ -47,6 +47,7 @@
 				RuntimeLibrary="1"
 				UsePrecompiledHeader="0"
 				WarningLevel="3"
+				WarnAsError="true"
 				DebugInformationFormat="3"
 				CompileAs="1"
 				ShowIncludes="false"
@@ -131,6 +132,7 @@
 				EnableFunctionLevelLinking="true"
 				UsePrecompiledHeader="0"
 				WarningLevel="3"
+				WarnAsError="true"
 				DebugInformationFormat="3"
 				CompileAs="1"
 			/>
@@ -350,7 +352,8 @@
 		</Filter>
 		<Filter
 			Name="Header Files"
-			Filter="h;hpp;hxx;hm;inl;inc"			>
+			Filter="h;hpp;hxx;hm;inl;inc"
+			>
 			<File
 				RelativePath="..\I7094\i7094_dat.h"
 				>
diff --git a/Visual Studio Projects/IBM1130.vcproj b/Visual Studio Projects/IBM1130.vcproj
index 2f26e263..91bcc3ab 100644
--- a/Visual Studio Projects/IBM1130.vcproj	
+++ b/Visual Studio Projects/IBM1130.vcproj	
@@ -47,6 +47,7 @@
 				RuntimeLibrary="1"
 				UsePrecompiledHeader="0"
 				WarningLevel="3"
+				WarnAsError="true"
 				DebugInformationFormat="3"
 				CompileAs="1"
 				ShowIncludes="false"
@@ -131,6 +132,7 @@
 				EnableFunctionLevelLinking="true"
 				UsePrecompiledHeader="0"
 				WarningLevel="3"
+				WarnAsError="true"
 				DebugInformationFormat="3"
 				CompileAs="1"
 			/>
@@ -354,7 +356,8 @@
 		</Filter>
 		<Filter
 			Name="Header Files"
-			Filter="h;hpp;hxx;hm;inl;inc"			>
+			Filter="h;hpp;hxx;hm;inl;inc"
+			>
 			<File
 				RelativePath="..\Ibm1130\dmsr2v12phases.h"
 				>
diff --git a/Visual Studio Projects/ID16.vcproj b/Visual Studio Projects/ID16.vcproj
index 65ecd6a1..bf2f3ca8 100644
--- a/Visual Studio Projects/ID16.vcproj	
+++ b/Visual Studio Projects/ID16.vcproj	
@@ -47,6 +47,7 @@
 				RuntimeLibrary="1"
 				UsePrecompiledHeader="0"
 				WarningLevel="3"
+				WarnAsError="true"
 				DebugInformationFormat="3"
 				CompileAs="1"
 				ShowIncludes="false"
@@ -131,6 +132,7 @@
 				EnableFunctionLevelLinking="true"
 				UsePrecompiledHeader="0"
 				WarningLevel="3"
+				WarnAsError="true"
 				DebugInformationFormat="3"
 				CompileAs="1"
 			/>
@@ -362,7 +364,8 @@
 		</Filter>
 		<Filter
 			Name="Header Files"
-			Filter="h;hpp;hxx;hm;inl;inc"			>
+			Filter="h;hpp;hxx;hm;inl;inc"
+			>
 			<File
 				RelativePath="..\Interdata\id_defs.h"
 				>
diff --git a/Visual Studio Projects/ID32.vcproj b/Visual Studio Projects/ID32.vcproj
index 0e105167..ea63c3d9 100644
--- a/Visual Studio Projects/ID32.vcproj	
+++ b/Visual Studio Projects/ID32.vcproj	
@@ -47,6 +47,7 @@
 				RuntimeLibrary="1"
 				UsePrecompiledHeader="0"
 				WarningLevel="3"
+				WarnAsError="true"
 				DebugInformationFormat="3"
 				CompileAs="1"
 				ShowIncludes="false"
@@ -131,6 +132,7 @@
 				EnableFunctionLevelLinking="true"
 				UsePrecompiledHeader="0"
 				WarningLevel="3"
+				WarnAsError="true"
 				DebugInformationFormat="3"
 				CompileAs="1"
 			/>
@@ -362,7 +364,8 @@
 		</Filter>
 		<Filter
 			Name="Header Files"
-			Filter="h;hpp;hxx;hm;inl;inc"			>
+			Filter="h;hpp;hxx;hm;inl;inc"
+			>
 			<File
 				RelativePath="..\Interdata\id_defs.h"
 				>
diff --git a/Visual Studio Projects/InfoServer100.vcproj b/Visual Studio Projects/InfoServer100.vcproj
index aed24999..65953bb1 100644
--- a/Visual Studio Projects/InfoServer100.vcproj	
+++ b/Visual Studio Projects/InfoServer100.vcproj	
@@ -46,6 +46,7 @@
 				RuntimeLibrary="1"
 				UsePrecompiledHeader="0"
 				WarningLevel="3"
+				WarnAsError="true"
 				DebugInformationFormat="3"
 				CompileAs="1"
 				ShowIncludes="false"
@@ -133,6 +134,7 @@
 				EnableFunctionLevelLinking="true"
 				UsePrecompiledHeader="0"
 				WarningLevel="3"
+				WarnAsError="true"
 				DebugInformationFormat="3"
 				CompileAs="1"
 			/>
@@ -592,7 +594,8 @@
 		</Filter>
 		<Filter
 			Name="Header Files"
-			Filter="h;hpp;hxx;hm;inl;inc"			>
+			Filter="h;hpp;hxx;hm;inl;inc"
+			>
 			<File
 				RelativePath="..\scp.h"
 				>
diff --git a/Visual Studio Projects/InfoServer1000.vcproj b/Visual Studio Projects/InfoServer1000.vcproj
index acf1ecbf..b2f90df1 100644
--- a/Visual Studio Projects/InfoServer1000.vcproj	
+++ b/Visual Studio Projects/InfoServer1000.vcproj	
@@ -46,6 +46,7 @@
 				RuntimeLibrary="1"
 				UsePrecompiledHeader="0"
 				WarningLevel="3"
+				WarnAsError="true"
 				DebugInformationFormat="3"
 				CompileAs="1"
 				ShowIncludes="false"
@@ -133,6 +134,7 @@
 				EnableFunctionLevelLinking="true"
 				UsePrecompiledHeader="0"
 				WarningLevel="3"
+				WarnAsError="true"
 				DebugInformationFormat="3"
 				CompileAs="1"
 			/>
@@ -560,7 +562,8 @@
 		</Filter>
 		<Filter
 			Name="Header Files"
-			Filter="h;hpp;hxx;hm;inl;inc"			>
+			Filter="h;hpp;hxx;hm;inl;inc"
+			>
 			<File
 				RelativePath="..\scp.h"
 				>
diff --git a/Visual Studio Projects/InfoServer150VXT.vcproj b/Visual Studio Projects/InfoServer150VXT.vcproj
index 66ff344b..5e6e8a23 100644
--- a/Visual Studio Projects/InfoServer150VXT.vcproj	
+++ b/Visual Studio Projects/InfoServer150VXT.vcproj	
@@ -46,6 +46,7 @@
 				RuntimeLibrary="1"
 				UsePrecompiledHeader="0"
 				WarningLevel="3"
+				WarnAsError="true"
 				DebugInformationFormat="3"
 				CompileAs="1"
 				ShowIncludes="false"
@@ -133,6 +134,7 @@
 				EnableFunctionLevelLinking="true"
 				UsePrecompiledHeader="0"
 				WarningLevel="3"
+				WarnAsError="true"
 				DebugInformationFormat="3"
 				CompileAs="1"
 			/>
@@ -592,7 +594,8 @@
 		</Filter>
 		<Filter
 			Name="Header Files"
-			Filter="h;hpp;hxx;hm;inl;inc"			>
+			Filter="h;hpp;hxx;hm;inl;inc"
+			>
 			<File
 				RelativePath="..\scp.h"
 				>
diff --git a/Visual Studio Projects/Intel-MDS.vcproj b/Visual Studio Projects/Intel-MDS.vcproj
index 091c1a8c..20a2c031 100644
--- a/Visual Studio Projects/Intel-MDS.vcproj	
+++ b/Visual Studio Projects/Intel-MDS.vcproj	
@@ -47,6 +47,7 @@
 				RuntimeLibrary="1"
 				UsePrecompiledHeader="0"
 				WarningLevel="3"
+				WarnAsError="true"
 				DebugInformationFormat="3"
 				CompileAs="1"
 				ShowIncludes="false"
@@ -135,6 +136,7 @@
 				EnableFunctionLevelLinking="true"
 				UsePrecompiledHeader="0"
 				WarningLevel="3"
+				WarnAsError="true"
 				DebugInformationFormat="3"
 				CompileAs="1"
 			/>
@@ -411,7 +413,8 @@
 		</Filter>
 		<Filter
 			Name="Header Files"
-			Filter="h;hpp;hxx;hm;inl;inc"			>
+			Filter="h;hpp;hxx;hm;inl;inc"
+			>
 			<File
 				RelativePath="..\scp.h"
 				>
diff --git a/Visual Studio Projects/MicroVAX1.vcproj b/Visual Studio Projects/MicroVAX1.vcproj
index 24d55016..5b19efb0 100644
--- a/Visual Studio Projects/MicroVAX1.vcproj	
+++ b/Visual Studio Projects/MicroVAX1.vcproj	
@@ -47,6 +47,7 @@
 				RuntimeLibrary="1"
 				UsePrecompiledHeader="0"
 				WarningLevel="3"
+				WarnAsError="true"
 				DebugInformationFormat="3"
 				CompileAs="1"
 				ShowIncludes="false"
@@ -135,6 +136,7 @@
 				EnableFunctionLevelLinking="true"
 				UsePrecompiledHeader="0"
 				WarningLevel="3"
+				WarnAsError="true"
 				DebugInformationFormat="3"
 				CompileAs="1"
 			/>
@@ -610,7 +612,8 @@
 		</Filter>
 		<Filter
 			Name="Header Files"
-			Filter="h;hpp;hxx;hm;inl;inc"			>
+			Filter="h;hpp;hxx;hm;inl;inc"
+			>
 			<File
 				RelativePath="..\PDP11\pdp11_cr_dat.h"
 				>
diff --git a/Visual Studio Projects/MicroVAX2.vcproj b/Visual Studio Projects/MicroVAX2.vcproj
index afa86858..aa7e4e11 100644
--- a/Visual Studio Projects/MicroVAX2.vcproj	
+++ b/Visual Studio Projects/MicroVAX2.vcproj	
@@ -47,6 +47,7 @@
 				RuntimeLibrary="1"
 				UsePrecompiledHeader="0"
 				WarningLevel="3"
+				WarnAsError="true"
 				DebugInformationFormat="3"
 				CompileAs="1"
 				ShowIncludes="false"
@@ -135,6 +136,7 @@
 				EnableFunctionLevelLinking="true"
 				UsePrecompiledHeader="0"
 				WarningLevel="3"
+				WarnAsError="true"
 				DebugInformationFormat="3"
 				CompileAs="1"
 			/>
@@ -622,7 +624,8 @@
 		</Filter>
 		<Filter
 			Name="Header Files"
-			Filter="h;hpp;hxx;hm;inl;inc"			>
+			Filter="h;hpp;hxx;hm;inl;inc"
+			>
 			<File
 				RelativePath="..\PDP11\pdp11_cr_dat.h"
 				>
diff --git a/Visual Studio Projects/MicroVAX2000.vcproj b/Visual Studio Projects/MicroVAX2000.vcproj
index a9ae4080..5735d066 100644
--- a/Visual Studio Projects/MicroVAX2000.vcproj	
+++ b/Visual Studio Projects/MicroVAX2000.vcproj	
@@ -46,6 +46,7 @@
 				RuntimeLibrary="1"
 				UsePrecompiledHeader="0"
 				WarningLevel="3"
+				WarnAsError="true"
 				DebugInformationFormat="3"
 				CompileAs="1"
 				ShowIncludes="false"
@@ -133,6 +134,7 @@
 				EnableFunctionLevelLinking="true"
 				UsePrecompiledHeader="0"
 				WarningLevel="3"
+				WarnAsError="true"
 				DebugInformationFormat="3"
 				CompileAs="1"
 			/>
@@ -588,7 +590,8 @@
 		</Filter>
 		<Filter
 			Name="Header Files"
-			Filter="h;hpp;hxx;hm;inl;inc"			>
+			Filter="h;hpp;hxx;hm;inl;inc"
+			>
 			<File
 				RelativePath="..\scp.h"
 				>
diff --git a/Visual Studio Projects/MicroVAX3100.vcproj b/Visual Studio Projects/MicroVAX3100.vcproj
index 0aeff484..145ab093 100644
--- a/Visual Studio Projects/MicroVAX3100.vcproj	
+++ b/Visual Studio Projects/MicroVAX3100.vcproj	
@@ -46,6 +46,7 @@
 				RuntimeLibrary="1"
 				UsePrecompiledHeader="0"
 				WarningLevel="3"
+				WarnAsError="true"
 				DebugInformationFormat="3"
 				CompileAs="1"
 				ShowIncludes="false"
@@ -133,6 +134,7 @@
 				EnableFunctionLevelLinking="true"
 				UsePrecompiledHeader="0"
 				WarningLevel="3"
+				WarnAsError="true"
 				DebugInformationFormat="3"
 				CompileAs="1"
 			/>
@@ -592,7 +594,8 @@
 		</Filter>
 		<Filter
 			Name="Header Files"
-			Filter="h;hpp;hxx;hm;inl;inc"			>
+			Filter="h;hpp;hxx;hm;inl;inc"
+			>
 			<File
 				RelativePath="..\scp.h"
 				>
diff --git a/Visual Studio Projects/MicroVAX3100M80.vcproj b/Visual Studio Projects/MicroVAX3100M80.vcproj
index 6f840f82..35720740 100644
--- a/Visual Studio Projects/MicroVAX3100M80.vcproj	
+++ b/Visual Studio Projects/MicroVAX3100M80.vcproj	
@@ -46,6 +46,7 @@
 				RuntimeLibrary="1"
 				UsePrecompiledHeader="0"
 				WarningLevel="3"
+				WarnAsError="true"
 				DebugInformationFormat="3"
 				CompileAs="1"
 				ShowIncludes="false"
@@ -133,6 +134,7 @@
 				EnableFunctionLevelLinking="true"
 				UsePrecompiledHeader="0"
 				WarningLevel="3"
+				WarnAsError="true"
 				DebugInformationFormat="3"
 				CompileAs="1"
 			/>
@@ -572,7 +574,8 @@
 		</Filter>
 		<Filter
 			Name="Header Files"
-			Filter="h;hpp;hxx;hm;inl;inc"			>
+			Filter="h;hpp;hxx;hm;inl;inc"
+			>
 			<File
 				RelativePath="..\scp.h"
 				>
diff --git a/Visual Studio Projects/MicroVAX3100e.vcproj b/Visual Studio Projects/MicroVAX3100e.vcproj
index e79933b8..ec0076ad 100644
--- a/Visual Studio Projects/MicroVAX3100e.vcproj	
+++ b/Visual Studio Projects/MicroVAX3100e.vcproj	
@@ -46,6 +46,7 @@
 				RuntimeLibrary="1"
 				UsePrecompiledHeader="0"
 				WarningLevel="3"
+				WarnAsError="true"
 				DebugInformationFormat="3"
 				CompileAs="1"
 				ShowIncludes="false"
@@ -133,6 +134,7 @@
 				EnableFunctionLevelLinking="true"
 				UsePrecompiledHeader="0"
 				WarningLevel="3"
+				WarnAsError="true"
 				DebugInformationFormat="3"
 				CompileAs="1"
 			/>
@@ -592,7 +594,8 @@
 		</Filter>
 		<Filter
 			Name="Header Files"
-			Filter="h;hpp;hxx;hm;inl;inc"			>
+			Filter="h;hpp;hxx;hm;inl;inc"
+			>
 			<File
 				RelativePath="..\scp.h"
 				>
diff --git a/Visual Studio Projects/NOVA.vcproj b/Visual Studio Projects/NOVA.vcproj
index d78a9f31..354db208 100644
--- a/Visual Studio Projects/NOVA.vcproj	
+++ b/Visual Studio Projects/NOVA.vcproj	
@@ -47,6 +47,7 @@
 				RuntimeLibrary="1"
 				UsePrecompiledHeader="0"
 				WarningLevel="3"
+				WarnAsError="true"
 				DebugInformationFormat="3"
 				CompileAs="1"
 				ShowIncludes="false"
@@ -131,6 +132,7 @@
 				EnableFunctionLevelLinking="true"
 				UsePrecompiledHeader="0"
 				WarningLevel="3"
+				WarnAsError="true"
 				DebugInformationFormat="3"
 				CompileAs="1"
 			/>
@@ -350,7 +352,8 @@
 		</Filter>
 		<Filter
 			Name="Header Files"
-			Filter="h;hpp;hxx;hm;inl;inc"			>
+			Filter="h;hpp;hxx;hm;inl;inc"
+			>
 			<File
 				RelativePath="..\NOVA\nova_defs.h"
 				>
diff --git a/Visual Studio Projects/PDP1.vcproj b/Visual Studio Projects/PDP1.vcproj
index bc0a566b..f6dd2380 100644
--- a/Visual Studio Projects/PDP1.vcproj	
+++ b/Visual Studio Projects/PDP1.vcproj	
@@ -47,6 +47,7 @@
 				RuntimeLibrary="1"
 				UsePrecompiledHeader="0"
 				WarningLevel="3"
+				WarnAsError="true"
 				DebugInformationFormat="3"
 				CompileAs="1"
 				ShowIncludes="false"
@@ -131,6 +132,7 @@
 				EnableFunctionLevelLinking="true"
 				UsePrecompiledHeader="0"
 				WarningLevel="3"
+				WarnAsError="true"
 				DebugInformationFormat="3"
 				CompileAs="1"
 			/>
@@ -346,7 +348,8 @@
 		</Filter>
 		<Filter
 			Name="Header Files"
-			Filter="h;hpp;hxx;hm;inl;inc"			>
+			Filter="h;hpp;hxx;hm;inl;inc"
+			>
 			<File
 				RelativePath="..\display\display.h"
 				>
diff --git a/Visual Studio Projects/PDP10-KA.vcproj b/Visual Studio Projects/PDP10-KA.vcproj
index aaef57a2..699e2521 100644
--- a/Visual Studio Projects/PDP10-KA.vcproj	
+++ b/Visual Studio Projects/PDP10-KA.vcproj	
@@ -47,6 +47,7 @@
 				RuntimeLibrary="1"
 				UsePrecompiledHeader="0"
 				WarningLevel="3"
+				WarnAsError="true"
 				DebugInformationFormat="3"
 				CompileAs="1"
 				ShowIncludes="false"
@@ -132,6 +133,7 @@
 				EnableFunctionLevelLinking="true"
 				UsePrecompiledHeader="0"
 				WarningLevel="3"
+				WarnAsError="true"
 				DebugInformationFormat="3"
 				CompileAs="1"
 			/>
@@ -683,7 +685,8 @@
 		</Filter>
 		<Filter
 			Name="Header Files"
-			Filter="h;hpp;hxx;hm;inl;inc"			>
+			Filter="h;hpp;hxx;hm;inl;inc"
+			>
 			<File
 				RelativePath="..\PDP10\kx10_defs.h"
 				>
diff --git a/Visual Studio Projects/PDP10-KI.vcproj b/Visual Studio Projects/PDP10-KI.vcproj
index c440f532..21af2531 100644
--- a/Visual Studio Projects/PDP10-KI.vcproj	
+++ b/Visual Studio Projects/PDP10-KI.vcproj	
@@ -47,6 +47,7 @@
 				RuntimeLibrary="1"
 				UsePrecompiledHeader="0"
 				WarningLevel="3"
+				WarnAsError="true"
 				DebugInformationFormat="3"
 				CompileAs="1"
 				ShowIncludes="false"
@@ -132,6 +133,7 @@
 				EnableFunctionLevelLinking="true"
 				UsePrecompiledHeader="0"
 				WarningLevel="3"
+				WarnAsError="true"
 				DebugInformationFormat="3"
 				CompileAs="1"
 			/>
@@ -603,7 +605,8 @@
 		</Filter>
 		<Filter
 			Name="Header Files"
-			Filter="h;hpp;hxx;hm;inl;inc"			>
+			Filter="h;hpp;hxx;hm;inl;inc"
+			>
 			<File
 				RelativePath="..\PDP10\kx10_defs.h"
 				>
diff --git a/Visual Studio Projects/PDP10-KL.vcproj b/Visual Studio Projects/PDP10-KL.vcproj
index 00951f6c..567921ca 100644
--- a/Visual Studio Projects/PDP10-KL.vcproj	
+++ b/Visual Studio Projects/PDP10-KL.vcproj	
@@ -47,6 +47,7 @@
 				RuntimeLibrary="1"
 				UsePrecompiledHeader="0"
 				WarningLevel="3"
+				WarnAsError="true"
 				DebugInformationFormat="3"
 				CompileAs="1"
 				ShowIncludes="false"
@@ -132,6 +133,7 @@
 				EnableFunctionLevelLinking="true"
 				UsePrecompiledHeader="0"
 				WarningLevel="3"
+				WarnAsError="true"
 				DebugInformationFormat="3"
 				CompileAs="1"
 			/>
@@ -579,7 +581,8 @@
 		</Filter>
 		<Filter
 			Name="Header Files"
-			Filter="h;hpp;hxx;hm;inl;inc"			>
+			Filter="h;hpp;hxx;hm;inl;inc"
+			>
 			<File
 				RelativePath="..\PDP10\kx10_defs.h"
 				>
diff --git a/Visual Studio Projects/PDP10-KS.vcproj b/Visual Studio Projects/PDP10-KS.vcproj
index 7b2b3263..8c5c76ff 100644
--- a/Visual Studio Projects/PDP10-KS.vcproj	
+++ b/Visual Studio Projects/PDP10-KS.vcproj	
@@ -47,6 +47,7 @@
 				RuntimeLibrary="1"
 				UsePrecompiledHeader="0"
 				WarningLevel="3"
+				WarnAsError="true"
 				DebugInformationFormat="3"
 				CompileAs="1"
 				ShowIncludes="false"
@@ -132,6 +133,7 @@
 				EnableFunctionLevelLinking="true"
 				UsePrecompiledHeader="0"
 				WarningLevel="3"
+				WarnAsError="true"
 				DebugInformationFormat="3"
 				CompileAs="1"
 			/>
@@ -555,7 +557,8 @@
 		</Filter>
 		<Filter
 			Name="Header Files"
-			Filter="h;hpp;hxx;hm;inl;inc"			>
+			Filter="h;hpp;hxx;hm;inl;inc"
+			>
 			<File
 				RelativePath="..\PDP10\ks10_dup.h"
 				>
diff --git a/Visual Studio Projects/PDP10.vcproj b/Visual Studio Projects/PDP10.vcproj
index de41aa92..1193fdb9 100644
--- a/Visual Studio Projects/PDP10.vcproj	
+++ b/Visual Studio Projects/PDP10.vcproj	
@@ -47,6 +47,7 @@
 				RuntimeLibrary="1"
 				UsePrecompiledHeader="0"
 				WarningLevel="3"
+				WarnAsError="true"
 				DebugInformationFormat="3"
 				CompileAs="1"
 				ShowIncludes="false"
@@ -131,6 +132,7 @@
 				EnableFunctionLevelLinking="true"
 				UsePrecompiledHeader="0"
 				WarningLevel="3"
+				WarnAsError="true"
 				DebugInformationFormat="3"
 				CompileAs="1"
 			/>
@@ -569,7 +571,8 @@
 		</Filter>
 		<Filter
 			Name="Header Files"
-			Filter="h;hpp;hxx;hm;inl;inc"			>
+			Filter="h;hpp;hxx;hm;inl;inc"
+			>
 			<File
 				RelativePath="..\PDP10\pdp10_defs.h"
 				>
diff --git a/Visual Studio Projects/PDP11.vcproj b/Visual Studio Projects/PDP11.vcproj
index b6a4671c..7231721a 100644
--- a/Visual Studio Projects/PDP11.vcproj	
+++ b/Visual Studio Projects/PDP11.vcproj	
@@ -47,6 +47,7 @@
 				RuntimeLibrary="1"
 				UsePrecompiledHeader="0"
 				WarningLevel="3"
+				WarnAsError="true"
 				DebugInformationFormat="3"
 				CompileAs="1"
 				ShowIncludes="false"
@@ -131,6 +132,7 @@
 				EnableFunctionLevelLinking="true"
 				UsePrecompiledHeader="0"
 				WarningLevel="3"
+				WarnAsError="true"
 				DebugInformationFormat="3"
 				CompileAs="1"
 			/>
diff --git a/Visual Studio Projects/PDP15.vcproj b/Visual Studio Projects/PDP15.vcproj
index cee86be3..32983c44 100644
--- a/Visual Studio Projects/PDP15.vcproj	
+++ b/Visual Studio Projects/PDP15.vcproj	
@@ -47,6 +47,7 @@
 				RuntimeLibrary="1"
 				UsePrecompiledHeader="0"
 				WarningLevel="3"
+				WarnAsError="true"
 				DebugInformationFormat="3"
 				CompileAs="1"
 				ShowIncludes="false"
@@ -131,6 +132,7 @@
 				EnableFunctionLevelLinking="true"
 				UsePrecompiledHeader="0"
 				WarningLevel="3"
+				WarnAsError="true"
 				DebugInformationFormat="3"
 				CompileAs="1"
 			/>
@@ -350,7 +352,8 @@
 		</Filter>
 		<Filter
 			Name="Header Files"
-			Filter="h;hpp;hxx;hm;inl;inc"			>
+			Filter="h;hpp;hxx;hm;inl;inc"
+			>
 			<File
 				RelativePath="..\PDP18B\pdp18b_defs.h"
 				>
diff --git a/Visual Studio Projects/PDP4.vcproj b/Visual Studio Projects/PDP4.vcproj
index 45ab27ba..18d07e5c 100644
--- a/Visual Studio Projects/PDP4.vcproj	
+++ b/Visual Studio Projects/PDP4.vcproj	
@@ -47,6 +47,7 @@
 				RuntimeLibrary="1"
 				UsePrecompiledHeader="0"
 				WarningLevel="3"
+				WarnAsError="true"
 				DebugInformationFormat="3"
 				CompileAs="1"
 				ShowIncludes="false"
@@ -131,6 +132,7 @@
 				EnableFunctionLevelLinking="true"
 				UsePrecompiledHeader="0"
 				WarningLevel="3"
+				WarnAsError="true"
 				DebugInformationFormat="3"
 				CompileAs="1"
 			/>
@@ -346,7 +348,8 @@
 		</Filter>
 		<Filter
 			Name="Header Files"
-			Filter="h;hpp;hxx;hm;inl;inc"			>
+			Filter="h;hpp;hxx;hm;inl;inc"
+			>
 			<File
 				RelativePath="..\PDP18B\pdp18b_defs.h"
 				>
diff --git a/Visual Studio Projects/PDP6.vcproj b/Visual Studio Projects/PDP6.vcproj
index 6922a6bb..14a02505 100644
--- a/Visual Studio Projects/PDP6.vcproj	
+++ b/Visual Studio Projects/PDP6.vcproj	
@@ -47,6 +47,7 @@
 				RuntimeLibrary="1"
 				UsePrecompiledHeader="0"
 				WarningLevel="3"
+				WarnAsError="true"
 				DebugInformationFormat="3"
 				CompileAs="1"
 				ShowIncludes="false"
@@ -132,6 +133,7 @@
 				EnableFunctionLevelLinking="true"
 				UsePrecompiledHeader="0"
 				WarningLevel="3"
+				WarnAsError="true"
 				DebugInformationFormat="3"
 				CompileAs="1"
 			/>
@@ -411,7 +413,8 @@
 		</Filter>
 		<Filter
 			Name="Header Files"
-			Filter="h;hpp;hxx;hm;inl;inc"			>
+			Filter="h;hpp;hxx;hm;inl;inc"
+			>
 			<File
 				RelativePath="..\PDP10\kx10_defs.h"
 				>
diff --git a/Visual Studio Projects/PDP7.vcproj b/Visual Studio Projects/PDP7.vcproj
index fa8a4c76..091eded0 100644
--- a/Visual Studio Projects/PDP7.vcproj	
+++ b/Visual Studio Projects/PDP7.vcproj	
@@ -47,6 +47,7 @@
 				RuntimeLibrary="1"
 				UsePrecompiledHeader="0"
 				WarningLevel="3"
+				WarnAsError="true"
 				DebugInformationFormat="3"
 				CompileAs="1"
 				ShowIncludes="false"
@@ -131,6 +132,7 @@
 				EnableFunctionLevelLinking="true"
 				UsePrecompiledHeader="0"
 				WarningLevel="3"
+				WarnAsError="true"
 				DebugInformationFormat="3"
 				CompileAs="1"
 			/>
@@ -370,7 +372,8 @@
 		</Filter>
 		<Filter
 			Name="Header Files"
-			Filter="h;hpp;hxx;hm;inl;inc"			>
+			Filter="h;hpp;hxx;hm;inl;inc"
+			>
 			<File
 				RelativePath="..\display\display.h"
 				>
diff --git a/Visual Studio Projects/PDP8.vcproj b/Visual Studio Projects/PDP8.vcproj
index 54b6d25f..40ed6f88 100644
--- a/Visual Studio Projects/PDP8.vcproj	
+++ b/Visual Studio Projects/PDP8.vcproj	
@@ -47,6 +47,7 @@
 				RuntimeLibrary="1"
 				UsePrecompiledHeader="0"
 				WarningLevel="3"
+				WarnAsError="true"
 				DebugInformationFormat="3"
 				CompileAs="1"
 				ShowIncludes="false"
@@ -131,6 +132,7 @@
 				EnableFunctionLevelLinking="true"
 				UsePrecompiledHeader="0"
 				WarningLevel="3"
+				WarnAsError="true"
 				DebugInformationFormat="3"
 				CompileAs="1"
 			/>
@@ -374,7 +376,8 @@
 		</Filter>
 		<Filter
 			Name="Header Files"
-			Filter="h;hpp;hxx;hm;inl;inc"			>
+			Filter="h;hpp;hxx;hm;inl;inc"
+			>
 			<File
 				RelativePath="..\PDP8\pdp8_defs.h"
 				>
diff --git a/Visual Studio Projects/PDP9.vcproj b/Visual Studio Projects/PDP9.vcproj
index 433d1b1f..72d87859 100644
--- a/Visual Studio Projects/PDP9.vcproj	
+++ b/Visual Studio Projects/PDP9.vcproj	
@@ -47,6 +47,7 @@
 				RuntimeLibrary="1"
 				UsePrecompiledHeader="0"
 				WarningLevel="3"
+				WarnAsError="true"
 				DebugInformationFormat="3"
 				CompileAs="1"
 				ShowIncludes="false"
@@ -131,6 +132,7 @@
 				EnableFunctionLevelLinking="true"
 				UsePrecompiledHeader="0"
 				WarningLevel="3"
+				WarnAsError="true"
 				DebugInformationFormat="3"
 				CompileAs="1"
 			/>
@@ -350,7 +352,8 @@
 		</Filter>
 		<Filter
 			Name="Header Files"
-			Filter="h;hpp;hxx;hm;inl;inc"			>
+			Filter="h;hpp;hxx;hm;inl;inc"
+			>
 			<File
 				RelativePath="..\PDP18B\pdp18b_defs.h"
 				>
diff --git a/Visual Studio Projects/PDQ3.vcproj b/Visual Studio Projects/PDQ3.vcproj
index d8d16dac..f4b42fff 100644
--- a/Visual Studio Projects/PDQ3.vcproj	
+++ b/Visual Studio Projects/PDQ3.vcproj	
@@ -47,6 +47,7 @@
 				RuntimeLibrary="1"
 				UsePrecompiledHeader="0"
 				WarningLevel="3"
+				WarnAsError="true"
 				DebugInformationFormat="3"
 				CompileAs="1"
 				ShowIncludes="false"
@@ -131,6 +132,7 @@
 				EnableFunctionLevelLinking="true"
 				UsePrecompiledHeader="0"
 				WarningLevel="3"
+				WarnAsError="true"
 				DebugInformationFormat="3"
 				CompileAs="1"
 			/>
@@ -330,7 +332,8 @@
 		</Filter>
 		<Filter
 			Name="Header Files"
-			Filter="h;hpp;hxx;hm;inl;inc"			>
+			Filter="h;hpp;hxx;hm;inl;inc"
+			>
 			<File
 				RelativePath="..\PDQ-3\pdq3_defs.h"
 				>
diff --git a/Visual Studio Projects/S3.vcproj b/Visual Studio Projects/S3.vcproj
index d775974f..d4cf6181 100644
--- a/Visual Studio Projects/S3.vcproj	
+++ b/Visual Studio Projects/S3.vcproj	
@@ -47,6 +47,7 @@
 				RuntimeLibrary="1"
 				UsePrecompiledHeader="0"
 				WarningLevel="3"
+				WarnAsError="true"
 				DebugInformationFormat="3"
 				CompileAs="1"
 				ShowIncludes="false"
@@ -131,6 +132,7 @@
 				EnableFunctionLevelLinking="true"
 				UsePrecompiledHeader="0"
 				WarningLevel="3"
+				WarnAsError="true"
 				DebugInformationFormat="3"
 				CompileAs="1"
 			/>
@@ -326,7 +328,8 @@
 		</Filter>
 		<Filter
 			Name="Header Files"
-			Filter="h;hpp;hxx;hm;inl;inc"			>
+			Filter="h;hpp;hxx;hm;inl;inc"
+			>
 			<File
 				RelativePath="..\S3\s3_defs.h"
 				>
diff --git a/Visual Studio Projects/SAGE.vcproj b/Visual Studio Projects/SAGE.vcproj
index 61c47d52..c2ad6553 100644
--- a/Visual Studio Projects/SAGE.vcproj	
+++ b/Visual Studio Projects/SAGE.vcproj	
@@ -47,6 +47,7 @@
 				RuntimeLibrary="1"
 				UsePrecompiledHeader="0"
 				WarningLevel="3"
+				WarnAsError="true"
 				DebugInformationFormat="3"
 				CompileAs="1"
 				ShowIncludes="false"
@@ -133,6 +134,7 @@
 				EnableFunctionLevelLinking="true"
 				UsePrecompiledHeader="0"
 				WarningLevel="3"
+				WarnAsError="true"
 				DebugInformationFormat="3"
 				CompileAs="1"
 			/>
@@ -373,7 +375,8 @@
 		</Filter>
 		<Filter
 			Name="Header Files"
-			Filter="h;hpp;hxx;hm;inl;inc"			>
+			Filter="h;hpp;hxx;hm;inl;inc"
+			>
 			<File
 				RelativePath="..\SAGE\m68k_cpu.h"
 				>
diff --git a/Visual Studio Projects/SDS.vcproj b/Visual Studio Projects/SDS.vcproj
index eb85b8e6..79fb0905 100644
--- a/Visual Studio Projects/SDS.vcproj	
+++ b/Visual Studio Projects/SDS.vcproj	
@@ -47,6 +47,7 @@
 				RuntimeLibrary="1"
 				UsePrecompiledHeader="0"
 				WarningLevel="3"
+				WarnAsError="true"
 				DebugInformationFormat="3"
 				CompileAs="1"
 				ShowIncludes="false"
@@ -131,6 +132,7 @@
 				EnableFunctionLevelLinking="true"
 				UsePrecompiledHeader="0"
 				WarningLevel="3"
+				WarnAsError="true"
 				DebugInformationFormat="3"
 				CompileAs="1"
 			/>
@@ -354,7 +356,8 @@
 		</Filter>
 		<Filter
 			Name="Header Files"
-			Filter="h;hpp;hxx;hm;inl;inc"			>
+			Filter="h;hpp;hxx;hm;inl;inc"
+			>
 			<File
 				RelativePath="..\scp.h"
 				>
diff --git a/Visual Studio Projects/SEL32.vcproj b/Visual Studio Projects/SEL32.vcproj
index b1daac36..43f56dfc 100755
--- a/Visual Studio Projects/SEL32.vcproj	
+++ b/Visual Studio Projects/SEL32.vcproj	
@@ -47,6 +47,7 @@
 				RuntimeLibrary="1"
 				UsePrecompiledHeader="0"
 				WarningLevel="3"
+				WarnAsError="true"
 				DebugInformationFormat="3"
 				CompileAs="1"
 				ShowIncludes="false"
@@ -135,6 +136,7 @@
 				EnableFunctionLevelLinking="true"
 				UsePrecompiledHeader="0"
 				WarningLevel="3"
+				WarnAsError="true"
 				DebugInformationFormat="3"
 				CompileAs="1"
 			/>  
@@ -558,7 +560,8 @@
 		</Filter>
 		<Filter
 			Name="Header Files"
-			Filter="h;hpp;hxx;hm;inl;inc"			>  
+			Filter="h;hpp;hxx;hm;inl;inc"
+			>  
 			<File
 				RelativePath="..\scp.h"
 				>  
diff --git a/Visual Studio Projects/SSEM.vcproj b/Visual Studio Projects/SSEM.vcproj
index 7c9e3616..1efa90c6 100644
--- a/Visual Studio Projects/SSEM.vcproj	
+++ b/Visual Studio Projects/SSEM.vcproj	
@@ -46,6 +46,7 @@
 				RuntimeLibrary="1"
 				UsePrecompiledHeader="0"
 				WarningLevel="3"
+				WarnAsError="true"
 				DebugInformationFormat="3"
 				CompileAs="1"
 			/>
@@ -129,6 +130,7 @@
 				EnableFunctionLevelLinking="true"
 				UsePrecompiledHeader="0"
 				WarningLevel="3"
+				WarnAsError="true"
 				DebugInformationFormat="3"
 				CompileAs="1"
 			/>
@@ -308,7 +310,8 @@
 		</Filter>
 		<Filter
 			Name="Header Files"
-			Filter="h;hpp;hxx;hm;inl;inc"			>
+			Filter="h;hpp;hxx;hm;inl;inc"
+			>
 			<File
 				RelativePath="..\scp.h"
 				>
diff --git a/Visual Studio Projects/TX-0.vcproj b/Visual Studio Projects/TX-0.vcproj
index 587b37e8..eceb8c08 100644
--- a/Visual Studio Projects/TX-0.vcproj	
+++ b/Visual Studio Projects/TX-0.vcproj	
@@ -46,6 +46,7 @@
 				RuntimeLibrary="1"
 				UsePrecompiledHeader="0"
 				WarningLevel="3"
+				WarnAsError="true"
 				DebugInformationFormat="3"
 				CompileAs="1"
 			/>
@@ -129,6 +130,7 @@
 				EnableFunctionLevelLinking="true"
 				UsePrecompiledHeader="0"
 				WarningLevel="3"
+				WarnAsError="true"
 				DebugInformationFormat="3"
 				CompileAs="1"
 			/>
@@ -328,7 +330,8 @@
 		</Filter>
 		<Filter
 			Name="Header Files"
-			Filter="h;hpp;hxx;hm;inl;inc"			>
+			Filter="h;hpp;hxx;hm;inl;inc"
+			>
 			<File
 				RelativePath="..\scp.h"
 				>
diff --git a/Visual Studio Projects/UC15.vcproj b/Visual Studio Projects/UC15.vcproj
index 870fd993..1964f7b7 100644
--- a/Visual Studio Projects/UC15.vcproj	
+++ b/Visual Studio Projects/UC15.vcproj	
@@ -47,6 +47,7 @@
 				RuntimeLibrary="1"
 				UsePrecompiledHeader="0"
 				WarningLevel="3"
+				WarnAsError="true"
 				DebugInformationFormat="3"
 				CompileAs="1"
 				ShowIncludes="false"
@@ -130,6 +131,7 @@
 				EnableFunctionLevelLinking="true"
 				UsePrecompiledHeader="0"
 				WarningLevel="3"
+				WarnAsError="true"
 				DebugInformationFormat="3"
 			/>
 			<Tool
@@ -351,7 +353,8 @@
 		</Filter>
 		<Filter
 			Name="Header Files"
-			Filter="h;hpp;hxx;hm;inl;inc"			>
+			Filter="h;hpp;hxx;hm;inl;inc"
+			>
 			<File
 				RelativePath="..\PDP11\pdp11_cpumod.h"
 				>
diff --git a/Visual Studio Projects/VAX.vcproj b/Visual Studio Projects/VAX.vcproj
index 6a63e63e..9dc18a48 100644
--- a/Visual Studio Projects/VAX.vcproj	
+++ b/Visual Studio Projects/VAX.vcproj	
@@ -47,6 +47,7 @@
 				RuntimeLibrary="1"
 				UsePrecompiledHeader="0"
 				WarningLevel="3"
+				WarnAsError="true"
 				DebugInformationFormat="3"
 				CompileAs="1"
 				ShowIncludes="false"
@@ -135,6 +136,7 @@
 				EnableFunctionLevelLinking="true"
 				UsePrecompiledHeader="0"
 				WarningLevel="3"
+				WarnAsError="true"
 				DebugInformationFormat="3"
 				CompileAs="1"
 			/>
@@ -610,7 +612,8 @@
 		</Filter>
 		<Filter
 			Name="Header Files"
-			Filter="h;hpp;hxx;hm;inl;inc"			>
+			Filter="h;hpp;hxx;hm;inl;inc"
+			>
 			<File
 				RelativePath="..\PDP11\pdp11_cr_dat.h"
 				>
diff --git a/Visual Studio Projects/VAX730.vcproj b/Visual Studio Projects/VAX730.vcproj
index b1874d5c..6b96a771 100644
--- a/Visual Studio Projects/VAX730.vcproj	
+++ b/Visual Studio Projects/VAX730.vcproj	
@@ -46,6 +46,7 @@
 				RuntimeLibrary="1"
 				UsePrecompiledHeader="0"
 				WarningLevel="3"
+				WarnAsError="true"
 				DebugInformationFormat="3"
 				CompileAs="1"
 				ShowIncludes="false"
@@ -133,6 +134,7 @@
 				EnableFunctionLevelLinking="true"
 				UsePrecompiledHeader="0"
 				WarningLevel="3"
+				WarnAsError="true"
 				DebugInformationFormat="3"
 				CompileAs="1"
 			/>
@@ -624,7 +626,8 @@
 		</Filter>
 		<Filter
 			Name="Header Files"
-			Filter="h;hpp;hxx;hm;inl;inc"			>
+			Filter="h;hpp;hxx;hm;inl;inc"
+			>
 			<File
 				RelativePath="..\PDP11\pdp11_ddcmp.h"
 				>
diff --git a/Visual Studio Projects/VAX750.vcproj b/Visual Studio Projects/VAX750.vcproj
index 3e205fa5..239ba5df 100644
--- a/Visual Studio Projects/VAX750.vcproj	
+++ b/Visual Studio Projects/VAX750.vcproj	
@@ -46,6 +46,7 @@
 				RuntimeLibrary="1"
 				UsePrecompiledHeader="0"
 				WarningLevel="3"
+				WarnAsError="true"
 				DebugInformationFormat="3"
 				CompileAs="1"
 				ShowIncludes="false"
@@ -133,6 +134,7 @@
 				EnableFunctionLevelLinking="true"
 				UsePrecompiledHeader="0"
 				WarningLevel="3"
+				WarnAsError="true"
 				DebugInformationFormat="3"
 				CompileAs="1"
 			/>
@@ -632,7 +634,8 @@
 		</Filter>
 		<Filter
 			Name="Header Files"
-			Filter="h;hpp;hxx;hm;inl;inc"			>
+			Filter="h;hpp;hxx;hm;inl;inc"
+			>
 			<File
 				RelativePath="..\PDP11\pdp11_ddcmp.h"
 				>
diff --git a/Visual Studio Projects/VAX780.vcproj b/Visual Studio Projects/VAX780.vcproj
index d70a4216..a5f08156 100644
--- a/Visual Studio Projects/VAX780.vcproj	
+++ b/Visual Studio Projects/VAX780.vcproj	
@@ -46,6 +46,7 @@
 				RuntimeLibrary="1"
 				UsePrecompiledHeader="0"
 				WarningLevel="3"
+				WarnAsError="true"
 				DebugInformationFormat="3"
 				CompileAs="1"
 				ShowIncludes="false"
@@ -133,6 +134,7 @@
 				EnableFunctionLevelLinking="true"
 				UsePrecompiledHeader="0"
 				WarningLevel="3"
+				WarnAsError="true"
 				DebugInformationFormat="3"
 				CompileAs="1"
 			/>
@@ -640,7 +642,8 @@
 		</Filter>
 		<Filter
 			Name="Header Files"
-			Filter="h;hpp;hxx;hm;inl;inc"			>
+			Filter="h;hpp;hxx;hm;inl;inc"
+			>
 			<File
 				RelativePath="..\PDP11\pdp11_cr_dat.h"
 				>
diff --git a/Visual Studio Projects/VAX8200.vcproj b/Visual Studio Projects/VAX8200.vcproj
index 61e4601f..d71260d5 100644
--- a/Visual Studio Projects/VAX8200.vcproj	
+++ b/Visual Studio Projects/VAX8200.vcproj	
@@ -46,6 +46,7 @@
 				RuntimeLibrary="1"
 				UsePrecompiledHeader="0"
 				WarningLevel="3"
+				WarnAsError="true"
 				DebugInformationFormat="3"
 				CompileAs="1"
 				ShowIncludes="false"
@@ -133,6 +134,7 @@
 				EnableFunctionLevelLinking="true"
 				UsePrecompiledHeader="0"
 				WarningLevel="3"
+				WarnAsError="true"
 				DebugInformationFormat="3"
 				CompileAs="1"
 			/>
@@ -628,7 +630,8 @@
 		</Filter>
 		<Filter
 			Name="Header Files"
-			Filter="h;hpp;hxx;hm;inl;inc"			>
+			Filter="h;hpp;hxx;hm;inl;inc"
+			>
 			<File
 				RelativePath="..\PDP11\pdp11_ddcmp.h"
 				>
diff --git a/Visual Studio Projects/VAX8600.vcproj b/Visual Studio Projects/VAX8600.vcproj
index 6437c2f6..0d06e4b4 100644
--- a/Visual Studio Projects/VAX8600.vcproj	
+++ b/Visual Studio Projects/VAX8600.vcproj	
@@ -46,6 +46,7 @@
 				RuntimeLibrary="1"
 				UsePrecompiledHeader="0"
 				WarningLevel="3"
+				WarnAsError="true"
 				DebugInformationFormat="3"
 				CompileAs="1"
 				ShowIncludes="false"
@@ -133,6 +134,7 @@
 				EnableFunctionLevelLinking="true"
 				UsePrecompiledHeader="0"
 				WarningLevel="3"
+				WarnAsError="true"
 				DebugInformationFormat="3"
 				CompileAs="1"
 			/>
@@ -636,7 +638,8 @@
 		</Filter>
 		<Filter
 			Name="Header Files"
-			Filter="h;hpp;hxx;hm;inl;inc"			>
+			Filter="h;hpp;hxx;hm;inl;inc"
+			>
 			<File
 				RelativePath="..\PDP11\pdp11_ddcmp.h"
 				>
diff --git a/Visual Studio Projects/VAXstation3100M30.vcproj b/Visual Studio Projects/VAXstation3100M30.vcproj
index b9ba70f3..a4bce5b4 100644
--- a/Visual Studio Projects/VAXstation3100M30.vcproj	
+++ b/Visual Studio Projects/VAXstation3100M30.vcproj	
@@ -46,6 +46,7 @@
 				RuntimeLibrary="1"
 				UsePrecompiledHeader="0"
 				WarningLevel="3"
+				WarnAsError="true"
 				DebugInformationFormat="3"
 				CompileAs="1"
 				ShowIncludes="false"
@@ -133,6 +134,7 @@
 				EnableFunctionLevelLinking="true"
 				UsePrecompiledHeader="0"
 				WarningLevel="3"
+				WarnAsError="true"
 				DebugInformationFormat="3"
 				CompileAs="1"
 			/>
@@ -592,7 +594,8 @@
 		</Filter>
 		<Filter
 			Name="Header Files"
-			Filter="h;hpp;hxx;hm;inl;inc"			>
+			Filter="h;hpp;hxx;hm;inl;inc"
+			>
 			<File
 				RelativePath="..\scp.h"
 				>
diff --git a/Visual Studio Projects/VAXstation3100M38.vcproj b/Visual Studio Projects/VAXstation3100M38.vcproj
index 92deba29..febf017d 100644
--- a/Visual Studio Projects/VAXstation3100M38.vcproj	
+++ b/Visual Studio Projects/VAXstation3100M38.vcproj	
@@ -46,6 +46,7 @@
 				RuntimeLibrary="1"
 				UsePrecompiledHeader="0"
 				WarningLevel="3"
+				WarnAsError="true"
 				DebugInformationFormat="3"
 				CompileAs="1"
 				ShowIncludes="false"
@@ -133,6 +134,7 @@
 				EnableFunctionLevelLinking="true"
 				UsePrecompiledHeader="0"
 				WarningLevel="3"
+				WarnAsError="true"
 				DebugInformationFormat="3"
 				CompileAs="1"
 			/>
@@ -592,7 +594,8 @@
 		</Filter>
 		<Filter
 			Name="Header Files"
-			Filter="h;hpp;hxx;hm;inl;inc"			>
+			Filter="h;hpp;hxx;hm;inl;inc"
+			>
 			<File
 				RelativePath="..\scp.h"
 				>
diff --git a/Visual Studio Projects/VAXstation3100M76.vcproj b/Visual Studio Projects/VAXstation3100M76.vcproj
index 1a71e086..c58b0131 100644
--- a/Visual Studio Projects/VAXstation3100M76.vcproj	
+++ b/Visual Studio Projects/VAXstation3100M76.vcproj	
@@ -46,6 +46,7 @@
 				RuntimeLibrary="1"
 				UsePrecompiledHeader="0"
 				WarningLevel="3"
+				WarnAsError="true"
 				DebugInformationFormat="3"
 				CompileAs="1"
 				ShowIncludes="false"
@@ -133,6 +134,7 @@
 				EnableFunctionLevelLinking="true"
 				UsePrecompiledHeader="0"
 				WarningLevel="3"
+				WarnAsError="true"
 				DebugInformationFormat="3"
 				CompileAs="1"
 			/>
@@ -580,7 +582,8 @@
 		</Filter>
 		<Filter
 			Name="Header Files"
-			Filter="h;hpp;hxx;hm;inl;inc"			>
+			Filter="h;hpp;hxx;hm;inl;inc"
+			>
 			<File
 				RelativePath="..\scp.h"
 				>
diff --git a/Visual Studio Projects/VAXstation4000M60.vcproj b/Visual Studio Projects/VAXstation4000M60.vcproj
index 9d99163f..3f2adca8 100644
--- a/Visual Studio Projects/VAXstation4000M60.vcproj	
+++ b/Visual Studio Projects/VAXstation4000M60.vcproj	
@@ -46,6 +46,7 @@
 				RuntimeLibrary="1"
 				UsePrecompiledHeader="0"
 				WarningLevel="3"
+				WarnAsError="true"
 				DebugInformationFormat="3"
 				CompileAs="1"
 				ShowIncludes="false"
@@ -133,6 +134,7 @@
 				EnableFunctionLevelLinking="true"
 				UsePrecompiledHeader="0"
 				WarningLevel="3"
+				WarnAsError="true"
 				DebugInformationFormat="3"
 				CompileAs="1"
 			/>
@@ -572,7 +574,8 @@
 		</Filter>
 		<Filter
 			Name="Header Files"
-			Filter="h;hpp;hxx;hm;inl;inc"			>
+			Filter="h;hpp;hxx;hm;inl;inc"
+			>
 			<File
 				RelativePath="..\scp.h"
 				>
diff --git a/Visual Studio Projects/VAXstation4000VLC.vcproj b/Visual Studio Projects/VAXstation4000VLC.vcproj
index ccbe8dd4..f6d2b5c9 100644
--- a/Visual Studio Projects/VAXstation4000VLC.vcproj	
+++ b/Visual Studio Projects/VAXstation4000VLC.vcproj	
@@ -46,6 +46,7 @@
 				RuntimeLibrary="1"
 				UsePrecompiledHeader="0"
 				WarningLevel="3"
+				WarnAsError="true"
 				DebugInformationFormat="3"
 				CompileAs="1"
 				ShowIncludes="false"
@@ -133,6 +134,7 @@
 				EnableFunctionLevelLinking="true"
 				UsePrecompiledHeader="0"
 				WarningLevel="3"
+				WarnAsError="true"
 				DebugInformationFormat="3"
 				CompileAs="1"
 			/>
@@ -572,7 +574,8 @@
 		</Filter>
 		<Filter
 			Name="Header Files"
-			Filter="h;hpp;hxx;hm;inl;inc"			>
+			Filter="h;hpp;hxx;hm;inl;inc"
+			>
 			<File
 				RelativePath="..\scp.h"
 				>
diff --git a/Visual Studio Projects/alpha.vcproj b/Visual Studio Projects/alpha.vcproj
index 3764d5a7..6ccbcdee 100644
--- a/Visual Studio Projects/alpha.vcproj	
+++ b/Visual Studio Projects/alpha.vcproj	
@@ -47,6 +47,7 @@
 				RuntimeLibrary="1"
 				UsePrecompiledHeader="0"
 				WarningLevel="3"
+				WarnAsError="true"
 				DebugInformationFormat="3"
 				CompileAs="1"
 				ShowIncludes="false"
@@ -131,6 +132,7 @@
 				EnableFunctionLevelLinking="true"
 				UsePrecompiledHeader="0"
 				WarningLevel="3"
+				WarnAsError="true"
 				DebugInformationFormat="3"
 				CompileAs="1"
 			/>
@@ -342,7 +344,8 @@
 		</Filter>
 		<Filter
 			Name="Header Files"
-			Filter="h;hpp;hxx;hm;inl;inc"			>
+			Filter="h;hpp;hxx;hm;inl;inc"
+			>
 			<File
 				RelativePath="..\alpha\alpha_defs.h"
 				>
diff --git a/Visual Studio Projects/ibmpc.vcproj b/Visual Studio Projects/ibmpc.vcproj
index 9e3eafae..865ed810 100644
--- a/Visual Studio Projects/ibmpc.vcproj	
+++ b/Visual Studio Projects/ibmpc.vcproj	
@@ -47,6 +47,7 @@
 				RuntimeLibrary="1"
 				UsePrecompiledHeader="0"
 				WarningLevel="3"
+				WarnAsError="true"
 				DebugInformationFormat="3"
 				CompileAs="1"
 				ShowIncludes="false"
@@ -131,6 +132,7 @@
 				EnableFunctionLevelLinking="true"
 				UsePrecompiledHeader="0"
 				WarningLevel="3"
+				WarnAsError="true"
 				DebugInformationFormat="3"
 				CompileAs="1"
 			/>
@@ -342,7 +344,8 @@
 		</Filter>
 		<Filter
 			Name="Header Files"
-			Filter="h;hpp;hxx;hm;inl;inc"			>
+			Filter="h;hpp;hxx;hm;inl;inc"
+			>
 			<File
 				RelativePath="..\scp.h"
 				>
diff --git a/Visual Studio Projects/ibmpcxt.vcproj b/Visual Studio Projects/ibmpcxt.vcproj
index 8d9ba276..377552eb 100644
--- a/Visual Studio Projects/ibmpcxt.vcproj	
+++ b/Visual Studio Projects/ibmpcxt.vcproj	
@@ -47,6 +47,7 @@
 				RuntimeLibrary="1"
 				UsePrecompiledHeader="0"
 				WarningLevel="3"
+				WarnAsError="true"
 				DebugInformationFormat="3"
 				CompileAs="1"
 				ShowIncludes="false"
@@ -131,6 +132,7 @@
 				EnableFunctionLevelLinking="true"
 				UsePrecompiledHeader="0"
 				WarningLevel="3"
+				WarnAsError="true"
 				DebugInformationFormat="3"
 				CompileAs="1"
 			/>
@@ -342,7 +344,8 @@
 		</Filter>
 		<Filter
 			Name="Header Files"
-			Filter="h;hpp;hxx;hm;inl;inc"			>
+			Filter="h;hpp;hxx;hm;inl;inc"
+			>
 			<File
 				RelativePath="..\scp.h"
 				>
diff --git a/Visual Studio Projects/imlac.vcproj b/Visual Studio Projects/imlac.vcproj
index 794edebf..7a542569 100644
--- a/Visual Studio Projects/imlac.vcproj	
+++ b/Visual Studio Projects/imlac.vcproj	
@@ -47,6 +47,7 @@
 				RuntimeLibrary="1"
 				UsePrecompiledHeader="0"
 				WarningLevel="3"
+				WarnAsError="true"
 				DebugInformationFormat="3"
 				CompileAs="1"
 				ShowIncludes="false"
@@ -131,6 +132,7 @@
 				EnableFunctionLevelLinking="true"
 				UsePrecompiledHeader="0"
 				WarningLevel="3"
+				WarnAsError="true"
 				DebugInformationFormat="3"
 				CompileAs="1"
 			/>
@@ -365,7 +367,8 @@
 		</Filter>
 		<Filter
 			Name="Header Files"
-			Filter="h;hpp;hxx;hm;inl;inc"			>
+			Filter="h;hpp;hxx;hm;inl;inc"
+			>
 			<File
 				RelativePath="..\display\display.h"
 				>
diff --git a/Visual Studio Projects/lgp.vcproj b/Visual Studio Projects/lgp.vcproj
index c7f7f2ba..725aa98e 100644
--- a/Visual Studio Projects/lgp.vcproj	
+++ b/Visual Studio Projects/lgp.vcproj	
@@ -47,6 +47,7 @@
 				RuntimeLibrary="1"
 				UsePrecompiledHeader="0"
 				WarningLevel="3"
+				WarnAsError="true"
 				DebugInformationFormat="3"
 				CompileAs="1"
 				ShowIncludes="false"
@@ -131,6 +132,7 @@
 				EnableFunctionLevelLinking="true"
 				UsePrecompiledHeader="0"
 				WarningLevel="3"
+				WarnAsError="true"
 				DebugInformationFormat="3"
 				CompileAs="1"
 			/>
@@ -314,7 +316,8 @@
 		</Filter>
 		<Filter
 			Name="Header Files"
-			Filter="h;hpp;hxx;hm;inl;inc"			>
+			Filter="h;hpp;hxx;hm;inl;inc"
+			>
 			<File
 				RelativePath="..\LGP\lgp_defs.h"
 				>
diff --git a/Visual Studio Projects/rtVAX1000.vcproj b/Visual Studio Projects/rtVAX1000.vcproj
index 12c297f0..448fb679 100644
--- a/Visual Studio Projects/rtVAX1000.vcproj	
+++ b/Visual Studio Projects/rtVAX1000.vcproj	
@@ -47,6 +47,7 @@
 				RuntimeLibrary="1"
 				UsePrecompiledHeader="0"
 				WarningLevel="3"
+				WarnAsError="true"
 				DebugInformationFormat="3"
 				CompileAs="1"
 				ShowIncludes="false"
@@ -135,6 +136,7 @@
 				EnableFunctionLevelLinking="true"
 				UsePrecompiledHeader="0"
 				WarningLevel="3"
+				WarnAsError="true"
 				DebugInformationFormat="3"
 				CompileAs="1"
 			/>
@@ -610,7 +612,8 @@
 		</Filter>
 		<Filter
 			Name="Header Files"
-			Filter="h;hpp;hxx;hm;inl;inc"			>
+			Filter="h;hpp;hxx;hm;inl;inc"
+			>
 			<File
 				RelativePath="..\PDP11\pdp11_cr_dat.h"
 				>
diff --git a/Visual Studio Projects/scelbi.vcproj b/Visual Studio Projects/scelbi.vcproj
index 3c018f50..2d1f59e7 100644
--- a/Visual Studio Projects/scelbi.vcproj	
+++ b/Visual Studio Projects/scelbi.vcproj	
@@ -47,6 +47,7 @@
 				RuntimeLibrary="1"
 				UsePrecompiledHeader="0"
 				WarningLevel="3"
+				WarnAsError="true"
 				DebugInformationFormat="3"
 				CompileAs="1"
 				ShowIncludes="false"
@@ -131,6 +132,7 @@
 				EnableFunctionLevelLinking="true"
 				UsePrecompiledHeader="0"
 				WarningLevel="3"
+				WarnAsError="true"
 				DebugInformationFormat="3"
 				CompileAs="1"
 			/>
@@ -314,7 +316,8 @@
 		</Filter>
 		<Filter
 			Name="Header Files"
-			Filter="h;hpp;hxx;hm;inl;inc"			>
+			Filter="h;hpp;hxx;hm;inl;inc"
+			>
 			<File
 				RelativePath="..\scp.h"
 				>
diff --git a/Visual Studio Projects/sigma.vcproj b/Visual Studio Projects/sigma.vcproj
index 7a027d61..ed200536 100644
--- a/Visual Studio Projects/sigma.vcproj	
+++ b/Visual Studio Projects/sigma.vcproj	
@@ -47,6 +47,7 @@
 				RuntimeLibrary="1"
 				UsePrecompiledHeader="0"
 				WarningLevel="3"
+				WarnAsError="true"
 				DebugInformationFormat="3"
 				CompileAs="1"
 				ShowIncludes="false"
@@ -131,6 +132,7 @@
 				EnableFunctionLevelLinking="true"
 				UsePrecompiledHeader="0"
 				WarningLevel="3"
+				WarnAsError="true"
 				DebugInformationFormat="3"
 				CompileAs="1"
 			/>
@@ -362,7 +364,8 @@
 		</Filter>
 		<Filter
 			Name="Header Files"
-			Filter="h;hpp;hxx;hm;inl;inc"			>
+			Filter="h;hpp;hxx;hm;inl;inc"
+			>
 			<File
 				RelativePath="..\scp.h"
 				>
diff --git a/Visual Studio Projects/swtp6800mp-a.vcproj b/Visual Studio Projects/swtp6800mp-a.vcproj
index 155485d6..21ff004f 100644
--- a/Visual Studio Projects/swtp6800mp-a.vcproj	
+++ b/Visual Studio Projects/swtp6800mp-a.vcproj	
@@ -47,6 +47,7 @@
 				RuntimeLibrary="1"
 				UsePrecompiledHeader="0"
 				WarningLevel="3"
+				WarnAsError="true"
 				DebugInformationFormat="3"
 				CompileAs="1"
 				ShowIncludes="false"
@@ -131,6 +132,7 @@
 				EnableFunctionLevelLinking="true"
 				UsePrecompiledHeader="0"
 				WarningLevel="3"
+				WarnAsError="true"
 				DebugInformationFormat="3"
 				CompileAs="1"
 			/>
@@ -342,7 +344,8 @@
 		</Filter>
 		<Filter
 			Name="Header Files"
-			Filter="h;hpp;hxx;hm;inl;inc"			>
+			Filter="h;hpp;hxx;hm;inl;inc"
+			>
 			<File
 				RelativePath="..\scp.h"
 				>
diff --git a/Visual Studio Projects/swtp6800mp-a2.vcproj b/Visual Studio Projects/swtp6800mp-a2.vcproj
index fd04f7b4..4254eaa3 100644
--- a/Visual Studio Projects/swtp6800mp-a2.vcproj	
+++ b/Visual Studio Projects/swtp6800mp-a2.vcproj	
@@ -47,6 +47,7 @@
 				RuntimeLibrary="1"
 				UsePrecompiledHeader="0"
 				WarningLevel="3"
+				WarnAsError="true"
 				DebugInformationFormat="3"
 				CompileAs="1"
 				ShowIncludes="false"
@@ -131,6 +132,7 @@
 				EnableFunctionLevelLinking="true"
 				UsePrecompiledHeader="0"
 				WarningLevel="3"
+				WarnAsError="true"
 				DebugInformationFormat="3"
 				CompileAs="1"
 			/>
@@ -346,7 +348,8 @@
 		</Filter>
 		<Filter
 			Name="Header Files"
-			Filter="h;hpp;hxx;hm;inl;inc"			>
+			Filter="h;hpp;hxx;hm;inl;inc"
+			>
 			<File
 				RelativePath="..\scp.h"
 				>
diff --git a/Visual Studio Projects/tt2500.vcproj b/Visual Studio Projects/tt2500.vcproj
index 66e45616..3c8ec399 100644
--- a/Visual Studio Projects/tt2500.vcproj	
+++ b/Visual Studio Projects/tt2500.vcproj	
@@ -47,6 +47,7 @@
 				RuntimeLibrary="1"
 				UsePrecompiledHeader="0"
 				WarningLevel="3"
+				WarnAsError="true"
 				DebugInformationFormat="3"
 				CompileAs="1"
 				ShowIncludes="false"
@@ -131,6 +132,7 @@
 				EnableFunctionLevelLinking="true"
 				UsePrecompiledHeader="0"
 				WarningLevel="3"
+				WarnAsError="true"
 				DebugInformationFormat="3"
 				CompileAs="1"
 			/>
@@ -365,7 +367,8 @@
 		</Filter>
 		<Filter
 			Name="Header Files"
-			Filter="h;hpp;hxx;hm;inl;inc"			>
+			Filter="h;hpp;hxx;hm;inl;inc"
+			>
 			<File
 				RelativePath="..\display\display.h"
 				>