6502 to 8501 board: IT WORKS!

From: Daniele Gratteri (daniele_gratteri_at_inwind.it)
Date: 2002-02-18 18:47:38

Hi to all of you, CBM hackers!
Last year, if you remember, Ruud made a schematic of a board which contains
a 6522A CPU, a 6522A VIA and some logic ICs for simulating a 7501/8501 CPU
for the Commodore 264 series.
In my free time, I built the board (it looks very ugly). It was finished for
January the 30th but I didn't have the 6522A for testing it. Ruud sent me
two of them, so today I checked the board for seeing if it works or not.

Well, I turned on my spare plus/4 and... I can see the plus/4 screen! :-)

At the moment, I haven't time for check proper operation of keyboard and
disk drive (I have a 1541). Maybe during the week I can complete my tests.
But, surely, it is good a good thing, isn't it?

 / ___|____   Daniele Gratteri, Italian Commodore and Amiga user  / /
| |   |___/   E-MAIL: daniele_gratteri@inwind.it                 / /
| |___|___\   URL: http://utenti.tripod.it/danielegratteri   \ \/ /
 \____|       IRC: FIAT1100D - ICQ: 53943994                  \/\/

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