SX Microcontroller Square Math Method

Square 4bits

;by Dmitry Kiryashov

        movfw x ;0000abcd 
        addwf x,F 
        btfss y,0 ;0000efgh 
        movlw 0 
        btfsc y,1 
        addwf x,W 
        rlf x,F 
        btfsc y,2 
        addwf x,W 
        rlf x,F 
        btfsc y,3 
        addwf x,W ;result in W

file: /techref/scenix/lib/math/sq/4b_sx.htm, 0KB, , updated: 2004/6/10 13:40, local time: 2008/12/5 02:17,

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