Re: NTSC VIC-II timing

From: Segher Boessenkool <>
Date: Wed, 21 Jun 2017 14:41:26 -0500
Message-ID: <>
On Wed, Jun 21, 2017 at 09:15:56PM +0200, wrote:
> > IIRC the LP stuff can be triggered only once per frame, this makes it
> > a bit inconvenient to use for non-lightpen uses like we are discussing
> > here.  It would be nice if we could just read out the current X coor
> > directly, but nope.
> wasnt that also different between VIC revisions.... older one will trigger 
> only once per frame, newer can do it any time again? like with sprite 
> collision?

I think the only difference is the old revisions trigger one cycle


       Message was sent through the cbm-hackers mailing list
Received on 2017-06-21 20:02:39

Archive generated by hypermail 2.2.0.