PDP-8 on FPGA project & where is Hans Pufal?

Philipp Hachtmann hachti at hachti.de
Fri Dec 19 01:00:16 CST 2008

 > Since the shift registers move quite fast, it completely
> swamps the lamps' ability to change brightness.  Unlike the VGA display,
> I haven't observed any "beat frequency" artifacts.
I know the VGA problem... Happens only if I restrict the update to the blanking period...
If I don't restrict, I get a slight stranger image, but the real blinkenlight effect :-)


More information about the cctalk mailing list