RE: My own PS problems..
Date: 2004-01-19 10:20:46

> -----Original Message-----
> From:
> []On Behalf Of ext Marko Mäkelä
> Sent: 19 January, 2004 09:47
> To:
> Subject: Re: My own PS problems..
> On Mon, Jan 19, 2004 at 01:08:21AM +0200, 
> wrote:
> > In Europe, however, it's 50Hz, and it's this signal that, 
> if I understand
> > correctly, is used to generate some video timings in some 
> (all?) commodores.
> Mario, your other explanations make sense, but this one is 
> not true.  The
> video timing is tied together with the bus clock frequency.  
> On the Commodore
> 64 and 128, the 50 Hz or 60 Hz signal is fed to the CIA Time 
> of Day clock
> input.  That clock is not used by the KERNAL, but some applications
> (most notably GEOS) use them as a real time clock.
Hey, I wasn't sure one way or the other, I tried to express this feeling 
of insecurity somehow :o)
Well, I'm glad it turns out to be this way, 'cause then it's no big 
problem to feed 60 Hz to te C-64, right?

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