Write an assembly language program to add two decimal numbers.

Experiment Name: Write an assembly language program to add two decimal numbers.

Objective:

(i) To know about several command in the Assembly language.

(ii) Input a Character.

(iii) Output a Character.

Source code:

.model small

.stack

.data

    val1 db 89

    val2 db 10

    msg db ‘Sum of 2 number: $’

.code

main proc

    mov ax, @data

    mov ds,ax

    mov ax,0

    mov al,val1

    add al,val2

    aam

    add ax,3030h

    push ax

    lea dx,msg

   

    mov ah,09h

    int 21h

    pop ax

    mov dl,ah

    mov dh,al

    mov ah,02h

    int 21h

    mov dl,dh

    mov ah,02h

    int 21h

    mov ax,4c00h

    int 21h

main endp

end main

Input/output:

          Sum of 2 number: 99