diff --git a/.vs/ProjectSettings.json b/.vs/ProjectSettings.json
new file mode 100644
index 0000000..f8b4888
--- /dev/null
+++ b/.vs/ProjectSettings.json
@@ -0,0 +1,3 @@
+{
+  "CurrentProjectSetting": null
+}
\ No newline at end of file
diff --git a/.vs/slnx.sqlite b/.vs/slnx.sqlite
new file mode 100644
index 0000000..666fb9f
Binary files /dev/null and b/.vs/slnx.sqlite differ
diff --git a/DSK/ANN0TEST.DSK b/DSK/ANN0TEST.DSK
index c12accb..f1c071e 100644
Binary files a/DSK/ANN0TEST.DSK and b/DSK/ANN0TEST.DSK differ
diff --git a/DSK/README.md b/DSK/README.md
index 8d90242..b52f890 100644
--- a/DSK/README.md
+++ b/DSK/README.md
@@ -10,3 +10,5 @@ Each MIDI file should have a type of $D7 and a suffix of .MID
 
 
 The program "CHANGETYPE" can be used to change the type of a file.
+
+2018-JUL-26: Tested MIDIDRVR.OBJ on real hardware - the code to change the Annunciator works.  The Negative Logic does not work yet.