;unknown author, please step forward comf var,f ;Complement all bytes comf var+1,f comf var+2,f comf var+3,f incf var,f ;Inc. low byte always skpnz ;Skip if no carry to higher bytes incf var+1,f ;Carry to next byte skpnz incf var+2,f skpnz incf var+3,f
Regulus Berdin says: This reduces the number of execution cycles if some bytes are zero and called as subroutine.
negate: comf var,f comf var+1,f ... incfsz var,f return incfsz var+1,f return ... incf var+N,f return
|file: /Techref/microchip/math/neg/32bit.htm, 1KB, , updated: 2009/2/13 15:44, local time: 2018/9/26 00:49,
|©2018 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://www.piclist.com/techref/microchip/math/neg/32bit.htm"> PIC Math Negate 32 bit</A>
|Did you find what you needed?|
PICList 2018 contributors:
o List host: MIT, Site host massmind.org, Top posters @20180926 RussellMc, Van Horn, David, Sean Breheny, David C Brown, Bob Blick, Isaac M. Bavaresco, Neil, Denny Esterline, Harold Hallikainen, John Gardner,
* Page Editors: James Newton, David Cary, and YOU!
* Roman Black of Black Robotics donates from sales of Linistep stepper controller kits.
* Ashley Roll of Digital Nemesis donates from sales of RCL-1 RS232 to TTL converters.
* Monthly Subscribers: Gregg Rew. on-going support is MOST appreciated!
* Contributors: Richard Seriani, Sr.
Welcome to www.piclist.com!