at style keyboards and mc68000

From: John Ott <jott_at_mastif.ee.nd.edu>
Date: Fri Jun 4 12:18:22 1999

Hello -

I would be interested in seeing this.

john

>
> Hi,
>
> ----------
> > From: Tony Duell <ard_at_p850ug1.demon.co.uk>
> > To: Discussion re-collecting of classic computers
> <classiccmp_at_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_at_saturn.ee.nd.edu     *
* Dept. Electrical Engineering     *                                  *
* 275 Fitzpatrick Hall             *                                  *
* University of Notre Dame         *  Phone: (219) 631-7752           *
* Notre Dame, IN 46556        USA  *                                  *
***********************************************************************
Received on Fri Jun 04 1999 - 12:18:22 BST

This archive was generated by hypermail 2.3.0 : Fri Oct 10 2014 - 23:32:15 BST