Hi Robert, On 02/01/2014 15:46, Robert Dvoracek wrote: > btfss Beep,DoIBeep .... > movlw 1 > xorwf Beep,f > > I dont see the declarations so cant be sure but I think that the bit you ar= e testing/changing is the same so there is a potential source of problems: if= for some reason you change the value of "DoIBeep" and forget to change also the= "1". Define it near the other and comment adequately. --=20 http://www.piclist.com/techref/piclist PIC/SX FAQ & list archive View/change your membership options at http://mailman.mit.edu/mailman/listinfo/piclist .