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Tips - Fastest way to divide a byte by 10 in PIC18

Here is a wonderful tip:

Given WREG = number to divide by 10, 
 

   MULLW   .205
   RLNCF   PRODH, W
   SWAPF   WREG
   ANDLW   0x1F


Gives (number / 10) in WREG!!!
 


Creation date : 2009.12.18 5:06 PM
Last update : 2013.08.05 11:22 AM
Category : Tips
Page read 6316 times


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Sentence to think about :  Slow and methodical testing like this will eventually get you to a point where you will either be able to spot the bug, or go quietly insane. Maybe both.  Persistence of Vision 2.1 software documentation.
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