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From: dale@amiga.UUCP (Dale Luck)
Newsgroups: net.micro.amiga
Subject: Re: How do I contact the SECRET 8520 DISTRIBUTION SOCIETY?
Message-ID: <1569@amiga.amiga.UUCP>
Date: Tue, 23-Sep-86 04:14:50 EDT
Article-I.D.: amiga.1569
Posted: Tue Sep 23 04:14:50 1986
Date-Received: Tue, 23-Sep-86 22:20:51 EDT
References: <6040@alice.uUCp> <13058@amdcad.UUCP> <752@cbmvax.cbmvax.cbm.UUCP>
Reply-To: dale@tooter.UUCP (Dale Luck)
Organization: Commodore-Amiga Inc., 983 University Ave #D, Los Gatos CA 95030
Lines: 16

In article <752@cbmvax.cbmvax.cbm.UUCP> grr@cbmvax.UUCP (George Robbins) writes:
>It is however, quite similar to a 6526, but the 'time-of-day' clock
>is binary instead of BCD
>and PC output (Centronics Strobe) has been delayed and lengthened.
>
>For those interested, the parts numbering system used by MOS Technology,
>the chip making divison of Commodore, has the first digit being a
>technology code, the second being a classification and the last two digits
>being arbitrary.  Thus 6526->8520 and 6510->7501->8502 and worse.
>
>Early Amiga prototypes actually used 6526's, but all production units
>use the 8520 and the software is unlikely to tolerate the older chips.
>-- 
George is quite right here, I forgot it was the 6526 and not the 6520 or
whatever.  But anyway it is not an off the shelf part by any means.
Dale Luck