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Article #1344

Re: terminal hacks

#1344
From: SL... Roger Ivie
Date: Tue, 13 Feb 1990 02:04
32 lines
2049 bytes
In article <18...@cc.usu.edu>, GE...@cc.usu.edu (Gehri Grimaud) writes:
> Back in about '82 I worked for the Micro Lab here at USU.  We used Heathkit
> H19 terminals on all of our home-built CP/M machines.  One of the guys in the 
> lab got fed up with the limited character graphics capabilities of the H19.
> So we decided to do a little hacking on the character generator ROM.

Gehri!! You forgot about the detached keyboard attachment! Here's what you
do:
    - Order a pizza
    - Remove the screws that hold the H19s keyboard to the keyboard shelf
    - Get a *really* long ribbon cable
    - Cut pieces from the pizza box to cover the hole in the terminal
      behind the keyboard and to wrap around the keyboard as a box. The
      box can be held in place by the screws that you took out earlier.
      Note that a bit of duct tape is necessary to hold the top together.

Now you have a fancy detached keyboard for you H19 *plus* a handy storage
shelf when you're not using it. If you do the pizza box bit right, you even
have a nice reminder to order pizza when you start hacking.

And then there are the rumors about the guys that hooked up a VT52 in
parallel and got about 500 Kbaud thruput (it uses a microcoded engine
that prefers to receive characters from the uart rather than draw the
screen).

===============================================================================
Roger Ivie

35 S 300 W
Logan, Ut.  84321
(801) 752-8633
===============================================================================
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Message-ID: <18397@cc.usu.edu>
Path: mbox-mo1.pugleaf.net!gmdzi!unido!mcsun!uunet!shelby!apple!mips!zaphod.mps.ohio-state.edu!swrinde!cs.utexas.edu!mailrus!hellgate.utah.edu!cc.utah.edu!cc.usu.edu!slsw2
References: <18389@cc.usu.edu>

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From: SL...@cc.usu.edu (Roger Ivie)
Newsgroups: alt.folklore.computers
Subject: Re: terminal hacks
Message-ID: <18397@cc.usu.edu>
Date: 13 Feb 90 02:04:06 GMT
References: <18389@cc.usu.edu>
Lines: 32
Posted: Tue Feb 13 03:04:06 1990
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