Thursday, 27 February 2014

Algorithm for 8 bit subtraction in 8051

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ADDRESS
LABEL
MNEMONICS
HEX CODE
DESCRIPTION
4100

CLRC
C3
Clear C register
4101

MOV A,#05
74
Move data to A
4102


05

4103

SUB A,#04
94
Add data to A
4104


04

4105

MOV DPTR, # 4150
90
Move the data to the DPTR
4106


50

4107


41

4108

MOVX @ DPTR
F0
Move data immediately A to DPTR
4109

SJMP 410F
80
Stop the program
410A


0F

410B


41

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