Boy, I wish I knew PDP-11 assembler better. Someday.  :)  Jay West wrote:
  I'm certain I'm typing in the memory address
test correctly. I have no
 other -11 handy. Is it possible there's a typo in the program I got? It
 follows: 
[...]
          000236  005111  loop2:  com (r1)
complement memory 
[...]
          000250  000773          br loop2 
Er, is "br loop2" numerically correct here? It, er, smells wrong.  :)
                  -O.-