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echo: cbm
to: FRANK
from: ANSSI SAARI
date: 2016-03-14 15:31:00
subject: Re: C64 repair videos

frank  writes:

I also enjoyed your videos, nice work.

> I'm starting soon to experiment my MOS8701 replacement project, this is
> needed on the broken C=64, but that throws a black screen even with a working
> 8701, so it needs some more care after it gets it's clock back in good shape.

Did you get volunteers to help with the 8701? From a quick look the 8701
just divides its input clock by 7 or 9 which is easy enough to implement
on any programmable device although I don't know if the quality is good
enough. OTOH, small FPGAs with a or two PLL included are cheaps these
days.

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