AMD2901s (was e: Inside old games machines, was: Re: Simulated CP/M-68K?)

woodelf bfranchuk at
Tue Jun 19 12:52:24 CDT 2007

Ethan Dicks wrote:
> On 6/19/07, woodelf <bfranchuk at> wrote:
>> Providing the word length is a multiable of 4 bits that is.

> It sure would be "fun" to debug microcode issues with nine of those
> puppies chained together.

I don't see it harder than with 32 or 24 bits.

[36..21][20..17][16..1] seems to me logical way to do it
for basic CPU as that keeps the boards from being to large.
The Floating point hardware that sounds like the hard part.
Since I never played with a PDP-10 I can say what other
fun features you get to play with.
Remember PAL's are your friend. :)

> -ethan

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