I uploaded a tarfile I had on my PC to my web site:
It seems his name doesn't appear in the readme or source but I think Rattlesnake was Skip Montanaro's project. I suppose my idea of unifying the local variables and the registers could have came from Rattlesnake. Very little new in the world. ;-P
Lot of water under the bridge since then. I would have to poke around a bit, but I think "from module import *" stumped me long enough that I got distracted by some other shiny thing.