Wow this takes me back. A group of us played about with something like this twenty odd years ago while writing a Boulderdash game in ADA to play on the campus 8800. On Sun, Jul 21, 2013 at 6:03 PM, Julian Wolfe <julian at twinax.org> wrote: I'd be surprised if anyone on here has actually messed with this, but I thought it was worth a shot.