[Simh] Is it possible to simulate the first Vaxen I ever used?

Johnny Billquist bqt at softjar.se
Mon Mar 23 15:56:47 EDT 2020


On 2020-03-23 19:36, Paul Koning wrote:
> 
> On the VAX 730: as far as I'm aware it's the only VAX built out of standard LSI CPU components.  The guts of the CPU is AMD 2901 bit-slice chips.  All other DEC microprogrammed machines I can think of had their own purpose-designed logic.

I was pretty sure the VAX-11/780 was standard TTL stuff. Not even any 
2901 in there.
The VAX-11/750 used 2901 though...
730 I don't know, but I would assume 2901 there too.
The 86x0 is way more complex with lots of ECL...

But I could of course be confused about all this (as usual).

   Johnny

-- 
Johnny Billquist                  || "I'm on a bus
                                   ||  on a psychedelic trip
email: bqt at softjar.se             ||  Reading murder books
pdp is alive!                     ||  tryin' to stay hip" - B. Idol


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