Re: A few technical q's from an apple newbie

[russotto@grace.speakeasy.net (Matthew Russotto)]

In article <418956d4$0$6554$5a62ac22@per-qv1-newsreader-01.iinet.net.au>,
Mark McDougall  <msmcdoug@no.spam.iinet> wrote:
>
>Well, that's neither here nor there for me, as I'm doing a hardware 
>emulation and had to 'design' the video logic to suit my own hardware. It's 
>interesting b/c you look at the MESS source for the video calcs and they 
>have 'nasty' things in there like mutliplication by 5 - all so easy in 
>software but horrible if you're trying to do it every dot-clock in hardware! 
>Fortunately after working it through I found I could eliminate the 
>multiplication altogether - which is not surprising I guess since the 
>original circuit design was motivated by cutting corners!

Exactly.  The reason for the nasty stuff in software was to make the hardware
simpler.