DG MVs (was RE: microcoding a PC into a PDP-11 (was: RE: Classic Computers

From: Chris Kennedy <chris_at_mainecoon.com>
Date: Mon Sep 24 23:28:19 2001

Derek Peschel wrote:

> But where is the microcode for the brain-damaged Nova 800 instruction set
> stored, and can it be overwritten?

PROMs, and no, I know of no way to overwrite _that_ code. Instead you
execute a load microstore operation, which moves data from memory to
microstore and resets the machine such that it begins execution from
soft microstore rather than the proms.

I'll have a look-see in the POP for the details.


--
Chris Kennedy
chris_at_mainecoon.com
http://www.mainecoon.com
PGP fingerprint: 4E99 10B6 7253 B048 6685  6CBC 55E1 20A3 108D AB97
Received on Mon Sep 24 2001 - 23:28:19 BST

This archive was generated by hypermail 2.3.0 : Fri Oct 10 2014 - 23:34:26 BST