;********************************************************************** ;FAST 8 BIT SQUARE ROOT ; ;Author: Nikolai Golovchenko <golovchenko@mail.ru> ;Date: February 15, 2000 ; ;Input and output in w ;ROM - 53 ;RAM - 0 ;Timing - 15..19 cycles including call and return ;********************************************************************** Sqrt8f addlw -64 ;1 skpnc goto sqrt8_15 ;3 addlw (64-16) skpnc goto sqrt4_7 ;6 addlw (16-4) skpnc goto sqrt2_3 ;9 addlw (4-1) skpnc retlw 1 ;1 (15) retlw 0 ;0 (16) sqrt2_3 addlw (4-9) skpnc retlw 3 ;3 (16) retlw 2 ;2 (17) sqrt4_7 addlw (16-36) skpnc goto sqrt6_7 ;10 addlw (36-25) skpnc retlw 5 ;5 (16) retlw 4 ;4 (17) sqrt6_7 addlw (36-49) skpnc retlw 7 ;7 (17) retlw 6 ;6 (18) sqrt8_15 addlw (64-144) skpnc goto sqrt12_15 ;7 addlw (144-100) skpnc goto sqrt10_11 ;10 addlw (100-81) skpnc retlw 9 ;9 (16) retlw 8 ;8 (17) sqrt10_11 addlw (100-121) skpnc retlw 11 ;11 (17) retlw 10 ;10 (18) sqrt12_15 addlw (144-196) skpnc goto sqrt14_15 ;11 addlw (196-169) skpnc retlw 13 ;13 (17) retlw 12 ;12 (18) sqrt14_15 addlw (196-225) skpnc retlw 15 ;15 (18) retlw 14 ;14 (19) ;**********************************************************************
Questions:
file: /Techref/microchip/math/sqrt/sqrt8fast.htm, 2KB, , updated: 2004/12/6 00:20, local time: 2024/12/13 23:37,
18.97.14.87:LOG IN
|
©2024 These pages are served without commercial sponsorship. (No popup ads, etc...).Bandwidth abuse increases hosting cost forcing sponsorship or shutdown. This server aggressively defends against automated copying for any reason including offline viewing, duplication, etc... Please respect this requirement and DO NOT RIP THIS SITE. Questions? <A HREF="http://massmind.org/techref/microchip/math/sqrt/sqrt8fast.htm"> PIC Microcontoller Math Method Fast 8 Bit Square Root</A> |
Did you find what you needed? |
Welcome to massmind.org! |
Welcome to massmind.org! |
.