John L asked: >What's the difference between the Rockwell and GTE CPUs ? I don't have the data sheets in front of me, but I recall that a big difference from the programmer's point of view was that the Rockwell chip had Bit Set, Bit Reset, and Bit Test instructions--very handy for embedded apps. -michael Email: mjmahon@aol.com Home page: http://members.aol.com/MJMahon/