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Article #1194

Re: Lear Siegler ADM-3 terminal

#1194
From: Doug Gwyn
Date: Mon, 01 Apr 1991 07:54
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In article <4@metran.UUCP> jay@metran.UUCP (Jay Ts) writes:
>Does anyone know where I can get the ROM for the lowercase character set,
>so that I can upgrade it to a 3a?

I think there is more required than just that.
I have an ADM-3a at home and also the technical manual for it,
so if I remember to look it up I could check on this.

>Also, I was aghast to find the adm3 terminfo entry on UNIX Sys V/386 does
>not handle curses well!  vi, for example, has to use open mode.  Now, I seem
>to recall being able to use a screen editor on a UNIX 32V system with an
>adm3a sometime in 1981, so it is/was possible, *right*?

I don't think the ADM-3 was able to do much more than emulate a
"glass KSR-33" except for the addition of direct cursor addressing.
Many screen-oriented text editors require features such as erase-to-
end-of-line, which the ADM-3 may not have had.

I will say that the ADM-3(a) terminals were marvels of logic circuit
design.  Every function was accomplished by hard-wired logic, not by
a microprocessor.  However, they didn't provide anywhere near the
functionality of more modern terminals.
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Message-ID: <15658@smoke.brl.mil>
Path: arc1-ca.pugleaf.net!utzoo!utgpu!news-server.csri.toronto.edu!rpi!uupsi!cmcl2!adm!smoke!gwyn
References: <4@metran.UUCP>

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Path: arc1-ca.pugleaf.net!utzoo!utgpu!news-server.csri.toronto.edu!rpi!uupsi!cmcl2!adm!smoke!gwyn
From: gwyn@smoke.brl.mil (Doug Gwyn)
Newsgroups: comp.terminals
Subject: Re: Lear Siegler ADM-3 terminal
Message-ID: <15658@smoke.brl.mil>
Date: 1 Apr 91 07:54:10 GMT
References: <4@metran.UUCP>
Organization: U.S. Army Ballistic Research Laboratory, APG, MD.
Lines: 22