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Article View: comp.sys.atari.st
Article #33414

Re: need a fast (9600) vt100 emulator.

#33414
From: Barnacle Wes
Date: Fri, 29 Jul 1988 14:22
31 lines
2060 bytes
In article <453@dms.UUCP> morris@dms.UUCP (Jim Morris) writes:
>
>I need recommendations for a fast vt100 emulator on the st.
>It has to be able to keep up with data coming in at 9600 baud.
>I have tried AnsiTerm, and Flash so far, and they seem to be
>around 2400 Baud.
>I believe the problem is the screen update rate. These programs will
>allow you to talk to the port at 9600 (Even 19200), but the time they
>take to write to the screen slows them down to about 2400.

Most likely the screen speed isn't the problem.  If you have XON/XOFF
turned on, your speed problems are due to the small RS232 input buffer
in the ST.  If you don't have XON/XOFF turned on, Flash will drop
characters at 9600, and probably at 4800 if your computer can really
send 4800 baud.

The solution is to stick a program in the auto folder that replaces the
I/O buffers with larger buffers.  I wrote a quick little vt52 emulator
(the arrow keys work, and keypad mode almost works), and set the buffers
at 8K each.  The program runs just fine at 19200 - screen I/O is not a
problem.  If you want such an auto-folder program, let me know.  I can
send you source (in MWC), or an executable.

Still, the best solution to your problem I can think of is to get
UniTerm.  This is the program I use now, and it is really good.  You can
get it from the server at Lakesys, I think.
-- 
                     {hpda, uwmcsd1}!sp7040!obie!wes
           "Happiness lies in being priviledged to work hard for
           long hours in doing whatever you think is worth doing."
                         -- Robert A. Heinlein --
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Message-ID: <115@obie.UUCP>
Path: arc1-ca.pugleaf.net!utzoo!utgpu!attcan!uunet!peregrine!elroy!ames!mailrus!utah-gr!uplherc!sp7040!obie!wes
References: <453@dms.UUCP> <2127@netmbx.UUCP>

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Path: arc1-ca.pugleaf.net!utzoo!utgpu!attcan!uunet!peregrine!elroy!ames!mailrus!utah-gr!uplherc!sp7040!obie!wes
From: wes@obie.UUCP (Barnacle Wes)
Newsgroups: comp.sys.atari.st
Subject: Re: need a fast (9600) vt100 emulator.
Summary: Screen speed isn't the problem...
Keywords: vt100 emulator needed
Message-ID: <115@obie.UUCP>
Date: 29 Jul 88 14:22:19 GMT
References: <453@dms.UUCP> <2127@netmbx.UUCP>
Organization: the Well of Souls
Lines: 31