Perform Division by Shifting to the Right

Divide the 3-byte number stored at 0x10…0x12

Code:

movlw 0x04 ; set loop count to 4
loop bcf STATUS, C, A ; shift the number to the right 1 place
rrcf 0x12, F, A ; “
rrcf 0x11, F, A ; “
rrcf 0x10, F, A ; “
decfsz WREG,W,A ; have we shifted right four places yet?
goto loop ; not yet, continue
 

_________________
M. S. Rakha, Ph.D.
Queen's University
Canada

Author: DrRakha
Mastermind

Posts: 2715
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