TORRENS SR wrote: > > I'm using 2 buttons for a range of of different functions, from > general menu select to an interrupt using the RB0/INT pin (pic 16c74). > I'm having a few problems with these. > When using the RB0/INT pin as an interrupt it doesn't seem to be > content with doing just one interrupt, it seems to do about 5. > I know that I should use a debounce routine, has anybody got one? > I take it you put it at the start of your interrupt vector. > > cheers. > > P.s what are the pull up resisters all about, should I be using them > ? Why not use a short delay as a debounce? Hans