PDP-11/70 cache memory

[David Griffith]

On Mon, 29 Dec 2008, Alexandre Souza wrote:

>> I do not know nearly enough to contemplate designing a board to
>> imitate the entire MK11 and a stack of memory.  The memory is the
>> simple part.  The idea of mating a RAM field with a Spartan 3 FPGA
>> sounds entirely workable, but I wouldn't know how to bring it all
>> together nor what to stuff in the FPGA to make it all magically work.
>
>   Nor do I, but it would be something interesting :o)
>
>   The SBC6120 is a **real nice** SBC, wish I had saved a T-11 (was it?) 
> processor from many of the arcade boards I saw going to trash...I do not even 
> know how to operate a PDP, but it would be something fun to learn :o)

If you don't have an SBC6120, you can get in on the new run announced a 
couple days ago.  Bob apparently found some NOS processor chips.  See the 
sparetimegizmos mailing list for more info.

-- 
David Griffith
dgriffi at cs.csubak.edu

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