The Jacky's wrote: > > Hi All...Happy New Year! > > Just after power up my PIC 73 needs to run a quick RAM check then > initialize all RAM and special function registers to a known state. Any > nifty ideas?...Thanks in advance...gj how about a Decrement Jump Not Zero for all of them if one of them is faulty it will freeze :) unless the faulty ram is stable at 1 you should come up with something against stuck ones , maybe an ijnz loop too ... bye charley