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From: dp@JASPER.PALLADIAN.COM (Jeffrey Del Papa)
Newsgroups: comp.os.vms
Subject: PHOTO-like program, DEFINE/KEY problems
Message-ID: <870627133919.3.DP@BANFF.PALLADIAN.COM>
Date: Sat, 27-Jun-87 13:39:00 EDT
Article-I.D.: BANFF.870627133919.3.DP
Posted: Sat Jun 27 13:39:00 1987
Date-Received: Sun, 28-Jun-87 02:07:26 EDT
References: <233*kenw@noah.arc.cdn>
Sender: daemon@ucbvax.BERKELEY.EDU
Reply-To: Jeffrey Del Papa <DP%JASPER@LIVE-OAK.LCS.MIT.EDU>
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Organization: The ARPA Internet
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    Date: 26 Jun 87  2:29 -0800
    From: Ken Wallewein <kenw%noah.arc.cdn%ubc.csnet@RELAY.CS.NET>

      A few years ago I wrote a program to allow multiple sessions (jobs) from the
    same terminal under RSTS. It made use of DEC-supplied pseudo-keyboard drivers.
    It was essentially a split PHOTO with enhancements. Does anyone know of such
    a program for VMS?

      I posted a request for information on using DEFINE/KEY with existing 
    command-driven software about a week or so ago. All my responses talked about
    the fact that I accidentally sent it twice (and I suspect that a number of 
    other people are doing that, too!). I received NO replies to the actual 
    subject matter, so I'll try again: Is it possible? It sure would be nice to 
    be able to use the keypad to define standard keyboard entries. The above-
    mentioned PHOTO-like program provided that capability (among other things), 
    and I miss it.

    Thanks,
    /kenw
								     A L B E R T A
    Ken Wallewein                                                  R E S E A R C H
								     C O U N C I L



I wrote one for version 2.0 of VMS. I don't think I could find the source if I tried
(and since it is mostly in bliss couldn't compile it if I did..). It didn't take that
long, but beware... there are obscure terminal synchronization problems out there
waiting to consume your sleep time.. It is also almost impossible to cope with
switching between things that want the terminal set different ways (our case it was
goslings emacs and the rest of VMS. It wanted 8 bit, meta key enabled and no flow
control (on an ambassador terminal). you can imagine what the rest of VMS thought.)
the other problem came from differing terminal flow control speeds. It worked fine on
my arbo, but when rbrn used his vt-100, it would latch ups sometimes... I eventually
had to pause the output stream so the XOFF wouldnt get sent to the wrong PTY.

<dp>