Re: 8520A

From: Henry Sopko (
Date: 1998-08-28 18:42:45

On Fri, 28 Aug 1998, MagerValp wrote:

> Hi,
>   what's the difference between the 8520 and the 6526? Are they pin
> compatible? Register compatible?

I believe the only difference is in the TOD (time of day) format. The 6526
uses BCD where the 8520 does not. You can replace your 6526 CIA with a
8520 in you C64 or C128 if you do not need the TOD compatable.


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