Scott Dattalo wrote: > > Now my turn. > How do you think this instruction will execute?: > > movff postdec0,preinc0 > I haven't tried it because my 18Cxxx Engineering Sample is still under the swings in Microchip's backyard sand box, but I would assume the data is placed back into the same location. Eg read from 55h, dec = 54h inc = 55h, save to 55h -- Best regards Tony http://www.picnpoke.com Email sales@picnpoke.com