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On Tue, 20 Oct 2009 22:04:46 +1200
Jinx <joecolquitt@clear.net.nz> wrote:

[snip]
> 
> Secondly, the ISR (interrupt service routine). This assumes that only
> the INT0 interrupt is enabled. No context saving done
> 
> bcf intcon,int0if ;clear the flag which caused the interrupt
> 
> clrf temp ;toggle the edge polarity bit (better way to do this
> anyone ?) bsf temp,intedg,w
> xorwf option_reg
[snip]

Since when did BSF accept a third parameter? How about this:

  MOVLW (1 << INTEDG)
  XORWF OPTION_REG, F

Chris
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