anbarsystem@ZAZ.COM.BR wrote: > ORG 4 > BTFSC INTCON,T0IF ;INT TMR0 > GOTO INT_TMR0 ;YES > BTFSC INTCON,INTF ;INT RB0/INT > GOTO INT_RB0 ;YES > RETFIE > > INT_TMR0: RETFIE I wonder if the INTF interrupt is being 'stolen' by the T0IF flag, seeing that it does not appear to get cleared anywhere. -- Best regards Tony http://www.picnpoke.com Email sales@picnpoke.com