Date   : Mon, 01 Aug 2011 17:29:44 +0100
From   : pete@... (Pete Turnbull)
Subject: Morley teletext adapter anyone?

On 01/08/2011 15:32, Rick Murray wrote:

> It's a shame Acorn didn't fit the more complete SAA5243 - but I guess a 
> single chargen chip was less expensive than an entire receiver module.

And the SAA5243 didn't exist when the Beeb was designed.  The SAA5050 
matched the standard for Teletext at the time, and some of the things 
people have mentioned are additions to the original standard devised by 
the BBC.

> That said - a Beeb with the full chip and some clever software plus a 
> UHF *de*modulator could provide teletext (plus viewdata) right out of 
> the box. Could have gone well with the BBC's telesoftware and literacy 
> programmes?

True, but it would have added a lot to the cost.

-- 
Pete                                           Peter Turnbull
                                               Network Manager
                                               University of York