Date   : Mon, 07 Sep 2009 14:39:55 +0100
From   : acorn@... (Andy Ford)
Subject: Acorn World '09: Final Layout & Wiring Plan

Rob wrote:
> Oh ... and why would a Model B give me an inverted, black-on-white
> screen?? ISTR that's something to do with the ULA and maybe a link
> somewhere, but couldn't find it on a quick search.
>
>   
It's (probably) Link 26, could be a few other things though I suppose, 
but a quick check of this link is worthwhile.

If you start getting odd effects afterwards (such as no video apart from 
Mode7 or vice-versa) then you need to do a small mod to "fix" it (well, 
I did anyway)


Andy.