Path: ...!weretis.net!feeder9.news.weretis.net!panix!.POSTED.panix2.panix.com!panix2.panix.com!not-for-mail
From: kludge@panix.com (Scott Dorsey)
Newsgroups: comp.misc
Subject: Re: IBM, sonic delay lines, and the history of the 80x24 display
Date: 1 May 2024 18:33:17 -0000
Organization: Former users of Netcom shell (1989-2000)
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Dan Espen  <dan1espen@gmail.com> wrote:
>
>It's always be obvious to me that the PC was 80x25 so that it could
>accurately emulate a 3270 24 line display.
>
>A 3270 HAS a 25th line where is displays some additional information
>like whether the keyboard is locked.  There were 24 lines of data and a
>25th line for status information.

Yes.  3270 emulation was one of the applications delivered with the machine
when it was first introduced, with a coax interface card being available.
It was expected to be one of the major uses of the machine.
--scott
-- 
"C'est un Nagra. C'est suisse, et tres, tres precis."