Date   : Mon, 25 Jan 2021 14:16:50 +0000
From   : chris@... (Chris Johns)
Subject: Completely expanded "Cheese wedge" BBC Micro - just

On 25/01/2021 12:37, Pete Turnbull wrote:
> It was possible to run the Teletext Adapter and the Prestel Adapter side
> by side, because the Prestel Adapter used only the RS423 connection.  It
> was driven with a bizarre protocol which drove the developers nuts
> because a certain Acorn director insisted it not use the User Port or
> 1MHz bus.

I had rather expected the prestel adapter to be not much more than a 
modem in a cheese wedge. Was there more to it than that?

Cheers

Chris