Tuesday 28 November 2017

8085 program for 2's complement of a number

8085 program for 2's complement of a number


Finding Two's complement of a number, 2's complement program in 8085
2's complement of 8 bit number in 8085

Statement: Find the 2's complement of the number stored at memory location 4200H and store the complemented number at memory location 4300H.

Sample problem:

       (4200H) = 55H
               Result = (4300H) = AAH + 1 = ABH

Source program:

LDA 4200H            : Get the number
CMA                      : Complement the number
ADI, 01H               : Add one in the number
STA 4300H            : Store the result
HLT                       : Terminate program execution
 
 
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