Splitspeed on a bare PC

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Article #14860

#14860

From: Bo Jansson
Date: Fri, 12 Dec 1986 20:22

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I wonder if anyone know anything about running split-speed on a
PC-XT without having a splitspeed-converter? I only have one RS-232
serial-port and my idea is to have a keyboard interrupt, programming
the 8250 for 75 baud, send the character and then reprogram the 8250
for 1200 baud. Of course, data will be lost if I press a key while
receiving characters, but I don't mind. That problem depends on what
kind of program I'm running.

Please send answers via Email.

Bo Jansson, University of Linkoping, Sweden.

Email:
UUCP:	{mcvax,seismo}!enea!liuida!obelix!bo-j

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Relay-Version: version B 2.10 5/3/83; site utzoo.UUCP
Path: arc1-ca.pugleaf.net!utzoo!mnetor!seismo!mcvax!enea!liuida!obelix!bo-j
From: bo-j@obelix.UUCP (Bo Jansson)
Newsgroups: comp.sys.ibm.pc
Subject: Splitspeed on a bare PC
Message-ID: <444@obelix.UUCP>
Date: Fri, 12-Dec-86 15:22:47 EST
Article-I.D.: obelix.444
Posted: Fri Dec 12 15:22:47 1986
Date-Received: Wed, 17-Dec-86 19:15:33 EST
Reply-To: bo-j@obelix.UUCP (Bo Jansson)
Organization: University of Linkoping, Sweden
Lines: 15