Luis Moreira wrote: > I was having a look at a program that came with my PICDEM 2 PLUS > board and I foud this kind of instruction I never used before or seen > used: "movlw .5" , what does the " .5 " stand for ? That's an obsolete notation for decimal. The assembler still supports it - for now. If you want to explicitly indicate decimal radix, use the D'5' syntax. ***************************************************************** Embed Inc, embedded system specialists in Littleton Massachusetts (978) 742-9014, http://www.embedinc.com -- http://www.piclist.com hint: The PICList is archived three different ways. See http://www.piclist.com/#archives for details.