CLRDIR and ZDE updates

- CLRDIR has been updated by Max Scane for CP/M 3 compatibility.
- A minor issue in the preconfigured ZDE VT100 terminal escape sequences was corrected.

Source/Doc/GettingStarted.md

@@ -819,12 +819,7 @@ system tracks.  `CPMLDR.SYS` chain loads `CPM3.SYS`.
 
 ### Notes
 
-- `CLRDIR` is not working right under CP/M 3.  It only partially clears
-the disk sectors of the directory area.  The extent of this issue
-has not been evaluated, but it is not a RomWBW issue.  To use CLRDIR,
-you can temporarily boot back into Z-System.
-
-- The `DATE` command cannot yet be used to set the RTC.  The RTC is
+- The `DATE` command cannot yet be used to **set** the RTC.  The RTC is
 used to read the current date/time for file stamping, etc.  You can
 use the `RTC` app to set the RTC clock.
 
@@ -839,11 +834,6 @@ tracks of the disk.
 
 ### Notes
 
-- `CLRDIR` is not working right under ZPM3.  It only partially clears
-the disk sectors of the directory area.  The extent of this issue
-has not been evaluated, but it is not a RomWBW issue.  To use CLRDIR,
-you can temporarily boot back into Z-System.
-
 - `ZPMLDR` is included with ZPM3, but it is not working correctly.
 
 - The ZPM operating system is contained in the file called CPM3.SYS