Scribd
Upload
1K views2 pages

8-Bit Addition with 8085 Program

This document provides an algorithm and assembly language program to add two 8-bit numbers using an 8085 microprocessor. The algorithm gets the first number into the accumulator, stores it in the B register, then gets the second number into the accumulator and adds it to the B register. It stores the result. The program implements this by loading values from memory locations 4150H and 4151H into registers, adding them, and storing the output in 4152H. The manual calculation verifies the output is correct.

Uploaded by

Raja Patel
Copyright
© © All Rights Reserved
We take content rights seriously. If you suspect this is your content, claim it here.
Available Formats
Download as PDF, TXT or read online on Scribd
1K views2 pages

8-Bit Addition with 8085 Program

This document provides an algorithm and assembly language program to add two 8-bit numbers using an 8085 microprocessor. The algorithm gets the first number into the accumulator, stores it in the B register, then gets the second number into the accumulator and adds it to the B register. It stores the result. The program implements this by loading values from memory locations 4150H and 4151H into registers, adding them, and storing the output in 4152H. The manual calculation verifies the output is correct.

Uploaded by

Raja Patel
Copyright
© © All Rights Reserved
We take content rights seriously. If you suspect this is your content, claim it here.
Available Formats
Download as PDF, TXT or read online on Scribd
You are on page 1/ 2

EX.

NO: 8-BIT ADDITION USING 8085


DATE:

AIM:

To write an assembly language program for adding two eight bit numbers using 8085
processor.

APPARATUS REQUIRED:

 8085 Microprocessor kit,


 Power supply

ALGORITHM:
 Get data in Accumulator at specified memory location
 Store the data in B register
 Get next data in Accumulator register
 Add the contents of A register with B register
 Store the result
 Terminate the program

FLOW CHART:

Start

Get first data


in B reg

Get second data


in A reg

Add the values

Store result

Stop
PROGRAM:

ADDRESS OPCODE LABEL MNEMONICS COMMENTS


4100 3A, 50,41 START: LDA 4150H :Load the contents of 4150 H to the
;accumulator
4103 47 MOV B, A : Transfer the data from accumulator to
B ;register
4104 3A, 51,41 LDA 4151H : Load the contents of 4151H to the
;accumulator
4107 80 ADD B :Add the contents of register R to the
contents ;of accumulator
4108 32,52,41 STA 4152H :Store the contents of accumulator in
4152H
410B 76 STOP: HLT :Terminate the program

MANUAL CALCULATION:
(A) : 70H = 0111 0000
(B) : 8BH = 1000 1011 (+)

(A) : FBH = 1111 1011

ADDRESS DATA
Input:
4150 H 70 H
4151H 8BH
Output:
4152H FBH

RESULT:

8-bit addition using 8085 is executed successfully and the output has been verified.

You might also like