Re: CRTC 6545 operation

From: Nicolas Welte (
Date: 1999-07-19 13:58:18

Andre Fachat wrote:
> Hi!
> Richard Atkinson wrote:
> > Andre, I'd just like to congratulate you on your 6545 work. These pages
> I have now added a summary of the differences of the CRTC models
> and a 6845 internal structure diagram.

I also like those pages, but didn't have time to read them all. I also
have problems with the .png pics :-(

One day I have to adapt those programs to run on the C128 VDC chip. I
wanted to do timing tests on it for some time now, I already built a
little circuit to run the VIC-II dotclock from the same crystal as the
VDC, to make all clocks in the system run synchronous. The VIC-II
display is somewhat distorted, but still usable.

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