Date   : Sun, 12 Mar 2000 19:22:16 +0000 (GMT)
From   : Dave Gilbert <gilbertd@...>
Subject: Re: Input output port

On Wed, 8 Mar 2000, John Bourne wrote:

> Hello, I hope you can help me. I want to use the input output port on
> the BBC and need information on how to use it. I had a book on
> robotics which had an easy to read section on the BBC port but I lost
> it in a fire and it is now out of print. I would also like to use the
> analogue port. Can you point me in the right direction? Regards, John
> Bourne.

Hi,
  Well the User port on the beeb is connected to one port of a 6522 VIA
(Port B from memory?).  You should be able to get the data sheets for the
6522 fairly easily - RS used to sell a book containing a lot of the 65xx
series data sheets really cheaply.

I can't rmember the A2D.

Dave
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