On Mon, Nov 4, 2024 at 4:06 AM Mychaela Falconia via cctalk
<cctalk(a)classiccmp.org> wrote:
Paul Koning wrote:
1. Show a one-word PDP-11 program that writes all
of memory, in reverse order.
MOV -(PC),-(PC)
Does that work on all models of PDP11?
I had an idea that (as in C) the order of the decrements and reads was
not specified by the instruction set definition and that on some
machines (the 11/45?) it doubly decrements PC before reading or
storing.
-tony