at style keyboards and mc68000

From: Richard Erlacher <edick_at_idcomm.com>
Date: Fri Jun 4 13:28:35 1999

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_at_mastif.ee.nd.edu>
To: Discussion re-collecting of classic computers
<classiccmp_at_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_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 - 13:28:35 BST