Date   : Fri, 17 Aug 2007 12:40:44 +0100
From   : zeem.uk@... (Alex Taylor)
Subject: Acquired Beeb with symptoms...

On 17/08/07, Jules Richardson <julesrichardsonuk@...> wrote:

> See, that is strange. I'm not quite sure why removing the ADC would partially
> fix it, as the ADC doesn't appear to generate interrupts anyway - it's purely
> polled by the system.

I'm not sure how different the hardware is, but I clearly remember
that adding a Plus 1 to an Acorn Electron slows it down, because of
the ADC. IIRC, the documentation gives a poke to turn it off if you
don't need it, which speeds the machine back up again.

-- 
Alex Taylor