Date: 2004-01-19 10:20:46
> -----Original Message----- > From: email@example.com > [mailto:firstname.lastname@example.org]On Behalf Of ext Marko Mäkelä > Sent: 19 January, 2004 09:47 > To: email@example.com > Subject: Re: My own PS problems.. > > > On Mon, Jan 19, 2004 at 01:08:21AM +0200, > Gianmario.Scotti@nokia.com 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? Message was sent through the cbm-hackers mailing list
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