a baby step where angels fear to tread.. I'm still heading for a

a baby step where angels fear to tread.. I'm still heading for a
system where all address constants are defined in one place. I've been
wandering around in a morass of increasingly broken systems (not just
broken s/w -- a flaky graphics adaptor contributed h/w flakiness too)
for quite a while. This version is starting over again with a small
step forward from the last known working state of the system.