On 26 Apr 2011, at 12:46, Geoff Winkless wrote:

> On 26 April 2011 10:55, Chris Pile <[email protected]> wrote:
> Some sort of blitter to chuck large blocks of data around at high speed would 
> have been
> a *very* nice addition.  That 24k screen really is too much for the old Z80 
> to cope with!
> 
> Eugh... _another_ thing to add to Simon's memory contention list? :) 

Yep!  A certain someone in the scene considers DMA to be a magic bullet that 
will solve all SAM's problems, but it'd be fighting for the already limited 
memory access.


> My hardware experience is pretty limited though, so I'm not going to start 
> contradicting Mr Goodwin.

It's possible the reasons were cost-related too, but I'm sure there was a 
technical angle.

Si

Reply via email to