With the aid of a dedicated processor, this job is easy. Since the work is
already done, I can send you a zip file of the details and the required
code.
Dick
-----Original Message-----
From: John Ott <jott(a)mastif.ee.nd.edu>
To: Discussion re-collecting of classic computers
<classiccmp(a)u.washington.edu>
Date: Friday, June 04, 1999 11:23 AM
Subject: Re: at style keyboards and mc68000
Hello -
I would be interested in seeing this.
john
>
> Hi,
>
> ----------
> > From: Tony Duell <ard(a)p850ug1.demon.co.uk>
> > To: Discussion re-collecting of classic computers
> <classiccmp(a)u.washington.edu>
> > Subject: Re: homemade computer for fun and experience...
> > Date: Sunday, April 04, 1999 10:49 AM
>
> > True. But AFAIK the AT keyboard host interface was never implemented in
> > TTL (it always used a programmed 8042 microcontroller), so it's a
little
> > harder to build from scratch.
>
> We used on our mc68000 boards a 68681 DUART & and some inverters as a
> keyboard interface for xt/at. Was very simple. If anybody needs it, i
could
dig it out
again.
cheers,
emanuel
--
***********************************************************************
* John Ott * Email: jott(a)saturn.ee.nd.edu *
* Dept. Electrical Engineering * *
* 275 Fitzpatrick Hall * *
* University of Notre Dame * Phone: (219) 631-7752 *
* Notre Dame, IN 46556 USA * *
***********************************************************************