September 4, 2002
Rollcall routines have been re-written for UBASIC 8.8F, which makes more sense for a system that is mathematically oriented. Also I am using FreeDOS as the operating system. Both FreeDOS and UBASIC are free to download, and have the source codes available. They are much faster than MS-DOS and QBASIC plus UBASIC has bitwise manipulation.
UBASIC help HERE
September 6, 2002
IMPORTANT: All nodes must output zero when not actively communicating.
August 12, 2002
I now have reliable parallel ASCII comunication bi-directional between nodes and the console using the cable shown above.