Remember it? If it's what I am thinking of, I
was doing it a couple of
weeks ago. You are talking about a 'Coconut', right (explanation of that
codename also on request - it has _nothing_ to do with the Tandy CoCo).
Nowadays I do something similar. I create a GROB with the right bit
patterns, use the SystemRPL 'Get' routine to remove the header, and thus
create new objects.
Wouldn't it be easier to create the object on something else (like that
PDP-11 sitting in the corner) and then just download it using Kermit?
Yes, if I had the PDP11 with me all the time. The point is that by
building the object on the target machine (notice how carefully I'm
avoiding mentioning the name), I can build new system objects anywhere. It
takes the boredom out of long journeys...
I built a set of macros for M80 to create Chip-8 code
I could download
from my DECmate, but I never cobbled together a real assembler for the
beast...
It's not that hard. Saturn Assembler is quite straightforward (especially
if you use a 'sane' set of mnemonics), and is pretty well documented in
(e.g.) Volume 1 of the '71' IDS.
Roger Ivie
ivie(a)cc.usu.edu
--
-tony
ard12(a)eng.cam.ac.uk
The gates in my computer are AND,OR and NOT, not Bill