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Article #8118

Flow Control on DECServer 200s

#8118
From: ROBERTS
Date: Tue, 13 Dec 1988 19:42
24 lines
1710 bytes
I'm running GNU Emacs 18.52.2 under VAX/VMS 4.7 on one of several vaxen
connected through a terminal server (DECServer 200).  When emacs starts up
or restarts after being suspended, the terminal server is put in pasthru
mode, but flow control is not disabled.  I can disable flow control
(XON/XOFF) on the server manually, but this is undesirable due to the need
to turn it back on later.

[the reason I _need_ flow control is that I'm writing some graphics
applications for our HDS3200 (Human Design Systems) terminals which can
emulate vt52/vt100/vt220/tek4014 as well as native 4096x4096 resolution
graphics.  the graphics data comes too fast and needs flow control turned
on both on the server and the terminal to work properly -- I've tried
various permutations with both off or only one on and it doesn't work.  the
graphics come out garbled]

My question is who knows what sort of magic is used to get the server to
switch to pasthru mode --- does it do this by sensing the terminal's
condition?  Is there a way to disable flow control _on_the_server_ by an
appropriate termcap entry?

Roland Roberts                        BITNET: roberts@uornsrl.bitnet
  Nuclear Structure Research Lab    INTERNET: rbr4@db2.cc.rochester.edu
  271 East River Road                   UUCP: rochester!ur-cc!rbr4
  Rochester, NY  14267                  AT&T: (716) 275-8962
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From: ROBERTS@UORNSRL.BITNET
Newsgroups: comp.emacs
Subject: Flow Control on DECServer 200s
Message-ID: <8812140803.AA16286@EDDIE.MIT.EDU>
Date: 13 Dec 88 19:42:00 GMT
Sender: uucp@eddie.MIT.EDU
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