> The picture is slightly blurred, but I can make out the National > Semiconductor logo just below the Commodore logo. I checked their web > site, but could not find any information that applied to this chip. You're right it is blurred, because what looks like the curly N, is actually "25" ... so here's a picture, bigger but with better resolution hopefully : http://users.utu.fi/slaur/pla2.jpg (47k) > It looks as though 251064 is a valid part number for the early '80s. So, the mystery continues. I probably should somehow obtain a dump of its outputs, but currently I don't have the hardware to do that. - This message was sent through the cbm-hackers mailing list. To unsubscribe: echo unsubscribe | mail email@example.com.
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