On Thu, 7 Oct 1999, Ethan Dicks wrote: > > The manual says this has a 2900 series bit/slice processor(whatever that > > is). > > The AMD 2900 was a 4-bit ALU (among other things) that was in common usage > in the early 1980s for implementing just about anything you wanted to. I > have seen eight of them ganged together to implement the VAX-11/730 and four > of them in the vector coprocessor of the 6502-based arcade game Battlezone. > > > Page 6 of the schematics(188008) show what looks like a processor > > and 4 memory chips. However, the lettering on the schematics is > > unreadable. The numbers from these chips would help. So, maybe that's actually 5 AM2900s in parallel. That would make it a 20 bit processor. For AM2900 data sheets see: Http:www.eece.unm.edu/faculty/pollard/protected/447/amstuff.html - This message was sent through the cbm-hackers mailing list. To unsubscribe: echo unsubscribe | mail firstname.lastname@example.org.
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