Re: [cc65] Machines with switchable clock

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From: Christian Krüger (christian.krueger_at_pace.de)
Date: 2003-02-20 15:56:52 

Hi,

> the question is, does the cpu actually run faster (== 
> different clock, which 
> was the original question) or does just the videochip steal 
> less cycles from 
> the cpu (like its happening on a c64 aswell when screen is blanked) ?

The last is true. So the 30% speed surplus is also not 100% correct:
ANTIC (the atari display chip) 'steals' different percentages of CPU
time - depending on the graphic mode used...

The Atari PAL clock is allways 1.79....MHz

Regards
chrisker
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