Andres Djordjalian wrote: > > Hi Dmitri! > > > Puzzle N1> Is required to exchange W with some file REGister . > > XORWF reg,W > XORWF reg,f > XORWF reg,W Greatly! Bit to bit identity ;) > > Puzzle N2> Is required to load any file REGister with value = VALUE , > > but W register haven't be changed after load is over . > > MOVWF reg > XORLW VALUE > XORWF reg,f > XORWF reg,W I've another similar solution... XORLW VALUE MOVWF REG XORLW VALUE XORWF REG,F WBR Dmitry.