Date   : Wed, 23 Oct 2002 22:57:22 GMT
From   : pete@... (Pete Turnbull)
Subject: Re: BBC keyboard playing up

On Oct 23, 21:42, Sprow wrote:

> > What shift register?  There's no shift register involved anywhere in
the
> > keyboard circuit.
>
> Silly me,it was a counter.
> There were multiple outputs and a clock pin,and LS161 didn't spring to
mind
> as one of the counters I knew so concluded it was a parallel loading
shift
> register: rather sloppy since the TTL databook is just over the other
side
> of the room!

I forgive you -- I've done things like that myself :-)

-- 
Pete                                           Peter Turnbull
                                               Network Manager
                                               University of York