🚀 go-pugleaf

In article <13801@agate.BERKELEY.EDU> koonce@math.berkeley.edu writes:
>When testing out a vt100 emulator program, a friend of mine discovered
>that EVE running under VMS expects it to interpret  ^Z [ ... q as an
>LED command.  This is undocumented, and runs contrary to the documentation
>I have. 

Does anyone have more information about this or any other undocumented 
"features" of the vt100 series?

There'a a number of undocumented "features" on the VT100 - some of which
are real nasty microcode bugs in the firmware.  The <ESC>[a;b;c;d q series
which are used for the leds are a bear.  There's a pattern that turns on
the LOCAL (or was it ON LINE) led regardless of whether the terminal was on
line.  

Another turned on the bell continuously, another was a high speed autorepeat.
Hit a key and it filled the screen.

I believe DECUS had someone write an article about this for the Vax Pageswapper
SIG publication.  I'd love a copy if anyone has it.

We used to send the bell one around at DEC as a "letter bomb" -- send the 
sequence to someone to read and BOOM.  Mail now filters the sequences!

-- 
Bill Pechter          {sun!hoptoad,cmcl2!phri}!dasys1!pechter
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