We wrote to ALGE and they are aware of the situation.
You could of course use a software product like TT*ware to do the calculations.
http://phoenix-sports.com/soft_ttware.htm
TT*ware was designed to do exactly that. It has all of the hooks to run display boards, CIS screen etc. It even has a TDC output emulator built in that mimics the serial rs-232 output of a TDC 8001.