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SX Microcontroller Math Method


Two's complemnt of a 32 bit word (4 bytes) 

;unknown author, please step forward

	not	var	;Complement all bytes
	not	var+1
	not	var+2
	not	var+3

	inc	var	;Inc. low byte always
	snb	Z	;Skip if no carry to higher bytes
	inc	var+1	;Carry to next byte
	snb	Z
	inc	var+2
	snb	Z
	inc	var+3

file: /techref/scenix/lib/math/neg/32bit_sx.htm, 0KB, , updated: 2004/6/10 14:40, local time: 2010/3/18 19:48,
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