Hi, Carlos Ojea wrote: >Thank you Tony. >I don't understand this: >>Although it uses fsr to access the config regs ( not advicable by Mchip ) >what does it mean? >Regards, >Carlos Well it means that the following statement ( and similar ): > MOVLW SSPSTAT ; get adress for synch serial port status reg > MOVWF FSR ; setup fsr > MOVLW 0x00; (1< MOVWF INDF ; and store it Is not recomended by Mchip. Another way to accomplish the same thing would be: MOVLW 0x00; (1<