Re: PET / cbm2 timing questions...

From: Michał Pleban <>
Date: Mon, 20 Dec 2010 19:44:50 +0100
Message-ID: <>

W dniu 2010-12-20 19:36, Groepaz pisze:

> - would b500 line machines use the same cpu clock as c64s ? i assume yes here, 
> correct?

This should be true, but maybe people better knowledgeable with P500
would answer ;-)

> - for 6x0/7x0 machines, is the exact cpu clock really 2Mhz? a comment in the 
> vice source suggests it is, but actually a lower clock is used to work around 
> some ieee timing problem. again a bit odd :)

Yes, it's actually 18MHz divided by 9.

> - for 6x0/7x0 machines, is again the only difference regarding 50/60Hz 
> machines the roms?



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Received on 2010-12-20 19:00:32

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