Hi all: Oops!. In my previus message, on DELAY's macros, I forgot to clarify the SIMUL simbol. This, previusly defined to use, simbol if not zero inhibit the macro expansion, with the pourpose of enable a viable program soft_emulation. Best regards: -- Roberto Deza Asensio |rdeza@popmail.cti.unav.es Universidad de Navarra |rdeza@cun.unav.es Centro de Proceso de Datos |rda@cpd.unav.es