On 6/8/2016 5:56 PM, Mike Ross wrote:
On Thu, Jun 9, 2016 at 12:27 PM, John Robertson <j...@flippers.com> wrote:
No way the M9312 can self modify, it is a burn once PROM -
I kinda assumed it was a case of copying itself to RAM and
self-modifying as it runs there - if it ever happened.
Mike
As it happens the 23-760A9 TT/PR boot PROM does this copy by building a
bootstrap
sequence in RAM, and then jumping to it. Once it is built it is not self
modifying, however.
Ref: http://ak6dn.dyndns.org/PDP-11/M9312/23-760A9/23-760A9.lst
--
Don North
AK6DN
