foo?

John Bruner jdb at mordor.s1.gov
Thu Jan 8 07:08:37 AEST 1987


> Then there's the apocryphal story about the PDP-11's sign extend
> instruction.  The mnemonic op code was, of course, SEX.  That one got
> changed to SXT before the manuals were printed.

The Motorola 6809 sign-extend instruction is SEX.

The PDP-11 may be SEXless, but it does have an SOB (Subtract One and
Branch).  [Most 11's do.  Old 11's without EIS don't.]
-- 
  John Bruner (S-1 Project, Lawrence Livermore National Laboratory)
  MILNET: jdb at mordor.s1.gov		(415) 422-0758
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