;********************************************************************** ;by Nikolai Golovchenko ;8 bit SQARE ROOT ;ACCB0 input/output ;TEMPB0, TEMPB1 used for temporary storage ;66 cycles execution time ;20 words of program memory ;3 bytes of RAM ;********************************************************************** Sqrt8 movlw 0x40 movwf TEMPB1 clrf TEMPB0 sqrt8a movf TEMPB1, w iorwf TEMPB0, w subwf ACCB0, w btfsc _C movwf ACCB0 rrf TEMPB0, f movf TEMPB1, w btfsc TEMPB0, 7 iorwf TEMPB0, f bcf TEMPB0, 7 rrf TEMPB1, f rrf TEMPB1, f btfss TEMPB1, 7 goto sqrt8a movf TEMPB0, w movwf ACCB0 return ;********************************************************************** ;Last updated 15Nov99
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| file: /Techref/microchip/math/sqrt/sqrt8.htm, 1KB, , updated: 2005/12/11 11:29, local time: 2010/7/30 10:18,
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