At 02:40 PM 6/18/99 -0400, der Mouse wrote:
>Does anyone know of an online machine/assembly language reference
>document for Intel-architecture CPUs?  Basically, what I'm looking for
>is the doco I'd need to write an assembler/disassembler, plus a
>description of the semantics of each instruction.

Try this site. They have info about, and pointers to info about, other
brands of processors as well as several different generations of Intel:

   http://www.sandpile.org/

(Caveat - I haven't used this site myself. Just saw the URL somewhere,
clicked on it and found it interesting, then bookmarked it for later)