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From: [e-mail] (Frank Sergeant)
Newsgroups: comp.protocols.kermit.misc
Subject: Re: K95 telnet to dosemu under Linux
Date: Mon, 17 Aug 1998 17:38:38 -0500
Organization: Eskimo North (206) For-Ever
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Xref: news.columbia.edu comp.protocols.kermit.misc:9104

In my on-going quest for using Kermit's telnet from DOS or W95
to run a DOS Clipper application under the DOS emulator (dosemu)
on Linux, I have been doing some more experimenting.

Under Kermit95 (1.1.17), if I set the terminal type to linux
and if on the Linux box I set dosemu to use terminal 'ibm'
rather than 'latin', I _can_ get proper box drawing characters
and legible text but only if after starting dosemu I break
out to Kermit with alt-X and type

       set term char cp437

or

       set term char transparent

then re-enter telnet by typing c.

It doesn't work if I 'set term char cp437' prior to starting
dosemu.  This is very strange, isn't it?  Does anyone have
any idea what is going on?  It is as if Kermit and Linux
are in agreement about the protocol and then starting dosemu
changes that agreement.  (I'll also post this question to the
dosemu mailing list.)  Any idea how to fix this?  It is rather
inconvenient to use the above work around.

There is better news on the DOS Kermit (version 3.15) front.
I have given up on putting DOS Kermit into 25 row mode.  (Can
anyone tell me how to do it?)  Instead, I have changed the
Clipper application to write no more than 24 rows.  This does
work.  I set DOS Kermit to VT320 or to ANSI-BBS (it doesn't
seem to make a difference) and set dosemu to 'ibm'.  I get
legible text and proper box drawing characters.  With SET KEY
statements I can turn on PgDn, PgUp, Ctrl-PgDn, Ctrl-PgUp.
The only funny thing here is that Ctrl-PgDn must be pressed
twice to work (same problem under Kermit95).  I can turn on F1
with

     set key \315  \28  ; F1

but I cannot get any of the other function keys to work.  They
all seem to need to be set to negative numbers, (that is, Clipper
compares the character code to the value -1 to see if it is the F2
key), so I would need to write something like

     set key \316  \-1  ; F2

but that doesn't work.  The function keys do work in Kermit95
with settings such as

     set key \316 \Kansif02  ; F2

but there doesn't seem to be the verb Kansif02 under DOS
Kermit.  Can anyone suggest a way to get the function keys
working (with Clipper) under DOS Kermit?

I still have some minor problems, such as the cursor flashing
in the upper left corner when Clipper thinks it has turned
the cursor off, and perhaps some graphic characters such as
diamond and downarrow not displaying just right.  I'd like
to cure these also, but could live with them.

There is no real urgency about any of this.  At this point
it is mainly a matter of curiosity.  I've gone this far
with it that I'd like to see if working all the way.


  -- Frank
  [e-mail]