6.5 is what I use, not sure if different for ntsc, I would have thought
it would still give something.

Is it no video on the screen or no logic output at all?

cya, Andrew...

> -----Original Message-----
> From: zxgate@yahoogroups.com [mailto:zxgate@yahoogroups.com]
> On Behalf Of Mark McDougall
> Sent: Wednesday, 5 July 2006 8:42
> To: zxgate@yahoogroups.com
> Subject: [zxgate] System clock frequency?
>
>
> I'm porting ZX01 to the Altium NanoBoard.
> <http://members.iinet.net.au/~msmcdoug/pace/Nanoboard/nanoboard.html>
>
> Trying to figure out the 'clock' frequency to feed into the zx01xr
> entity. By my quick calculations it should be 6MHz??? But I'm not
> getting any video output.
>
> Can someone tell me what it should be?
>
> Regards,
> Mark
>
>
>
>
>
>
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