In a message dated 1/12/99 11:40:37 PM Eastern Standard Time, mgp4007@omega.uta.edu writes: > > > >Ok, time for a few elementary questions. What do these do: > >neg > >scf > > > > > neg does the two's complement of a number. it should also be known that neg does the two's complement (negates) the contents of the 'a' register, not just any number ~Adamman