Date   : Mon, 14 Feb 2011 23:41:32
From   : robert@... (Rob)
Subject: [BeebSoc] *Compact on ADFS 1.3x

On 15 February 2011 01:50, Rick Murray <heyrick.beebsoc@...> wrote:
> Ah, now the question I have, and for somebody way more clued up than me
> (especially this time of night...), the MODE2 example has a flashing cursor.
> How is this cursor arranged in screen memory? Is it pasted in afterwards, or
> has its flashing on and off randomly trashed bits of Mick's data that was
> stuffed into those bits of the memory?

It's not in memory at all, so doesn't affect anything.  It's generated
by the 6845 automatically - Simply, there are registers that specify
the location and the size and it's overlayed onto the video
afterwards.



-- 
--
Rob - www.irrelevant.com - www.viewdata.org.uk - www.teletext.org.uk