Yes, it will work.
But You wont see the blinking LED unless your uC clock is really slow, So
add some delay between flashes. I use at least 100ms to see a fast blinking.
see an example to blink a LED on RA5:

pisca
        clrwdt               ;if you enable your wdt !
        call    delay250     ;wait 250ms between flashes
        movlw   16
        xorwf   porta, f        ;invert the LED state
        goto    pisca        ;do it for ever !

good luck

Eduardo.



>From: "Hartung, Greg" <ghartung@ADT.COM>
>Reply-To: pic microcontroller discussion list <PICLIST@MITVMA.MIT.EDU>
>To: PICLIST@MITVMA.MIT.EDU
>Subject: [PIC]: toggle port bit
>Date: Fri, 22 Jun 2001 10:28:00 -0600
>
>Will an XORWF properly toggle the bits of an output pin?  Such as blinking
>an LED with
>
>
>loop
>         movlw           b'0001000'      ;pin 3
>         xorwf           PORTD
>         goto            loop
>
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