datasheets for 82S21 - Signetics 32x2 SRAM?

[Brad Parker]

Tony Duell wrote:
>
>My experience with simulators suggests that's a massive _underestimate_ 
>of the time it would take. 

Well, I did manage to make a microcode simulator and it boots the lisp
machine.

I think there are a few very subtle bugs in the pipe, however, and I
think the only way I'll find them is to watch the real hardware work.

I think the timing on this machine, and the 74S/74LS parts it uses are
slow enough that verilog will do fine.  In reality what I am saying is
not about verilog, but the accuracy of the models I have created.  So,
restated, I think I can make models which are accurate enough for this
type of design.

heh.  we'll see.

-brad