;These are a couple of useful macros sent by Peter Hemsley, 15July01.

;Add w to file with carry

addwfc	macro	arg1
	skpnc
	goto	$+3	

	addwf	arg1
	goto	$+5

	addwf	arg1
	incf	arg1
	skpnz
	setc


;Subtract w from file with carry

subwfc	macro	arg1
	skpc
	goto	$+3

	subwf	arg1
	goto	$+5

	subwf	arg1
	skpnz
	clrc
	decf	arg1