Ted Dennison wrote: > Yeah, its a Microsoftism, I believe. They also went and defined a "Harware > Emulation Layer". For some reason, no one wants to program it. I'm not so certain it's a MS-ism. I know the topic was discussed in the early 80's, and I doubt that there was any MS products anywhere near. Possibly it was a DEC-ism in those days. Anyhow, the concept has been adopted by Cygwin (eCos) and some real-time linux projects. /Peter H. -- Peter Hend�n http://www.algonet.se/~phenden/ ICQ: 14672398 Teknisk Dokumentation AB http://www.tdab.com/