subtract number from memory locations

Subtract a number from a specific location at the memory.

Code:

           #include <p18F8720.inc>
           org 0x00
           goto start
           org 0x08
           retfie
           org 0x18
           retfie
           start movlw 0x05 ; WREG <- 0x05
           subwf 0x10,F,A ; 0x10 <-[0x10] – 0x05
           subwf 0x11,F,A ; 0x11 <-[0x11] – 0x05
           subwf 0x12,F,A ; 0x12 <-[0x12] – 0x05
           subwf 0x13,F,A ; 0x13 <-[0x13] – 0x05
           end

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

Author: DrRakha
Mastermind

Posts: 2715
Have thanks: 74 time

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