alex writes: >How do I change a bit inside byte using ada Like i'd do with assembler ? Use the "and" and "or" functions. You could also map a byte to an array of booleans. -- Jacob ---------------------------------------------------------------------------- -- Jacob Sparre Andersen -- E-mail: Jacob.Sparre.Andersen@risoe.dk -- -- National Laboratory Ris� -- Phone.: (+45) 46 77 51 23 -- -- Systems Analysis -- Fax...: (+45) 46 77 51 99 -- ----------------------------------------------------------------------------