Hm... I just realized that my little history lesson didn't answer your question. Lets just say they are smart cookies. --Brock On Mon, 6 Mar 2000, Cassady Roop wrote: > > They used magic. > > Pbf16@aol.com wrote: > > > > Does anybody know how the authors of Zshell or Ash found out the ROM calls for thier specific calcs? > >