RE: 6569 luminances

From: Baltissen, GJPAA (Ruud) <>
Date: Tue, 15 May 2012 13:57:14 +0200
Message-ID: <>
Hallo Patryk,

> I imagine it going between CPU and the main board.

What about Nicolas Welte's idea, the 6502-RAMROM? It enables you to add
a lot of RAM and RAM to those 6502 systems that haven't. Best example:
the PET 2001, certainly the types with the rare 65xx RAMs and ROMs. In
your case you could demirror the SID and VIC and use the freed area for
the extra hardware needed to control the extra address lines of the
bigger EPROMs (or more likely, FlashRAMs).
And all that is needed is just popping the 6510 out of the board, plug
in your card and the 6510 on top of your card again!

The only link I can give you now for the moment:

It seems that the original articles at aren't available
anymore, anybody an explanation? And is there a copy or a new site? I
use to make rips of good sites, like the one of Andre so I still can
check them out when in the middle of nowhere with no Internet at hand.
I'll check if I made a rip of this as well.

    / __|__
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Received on 2012-05-15 12:00:39

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