For some reason I can't post my reply to Antonio Carlini about TK50Z to the list. I have already tried twice without any success. Would you please look at it at <http://sclwww.scl.cwru.edu/~mxs46/cpu34.txt>? Sincerely, Michael Sokolov Phone: 440-449-0299 ARPA Internet SMTP mail: sokolov@alpha.ces.cwru.edu