Microprocessor 8086 Assembly-Sum of two numbers

.model small
.data
msg1 db "Enter The First Number: $"
msg2 db 13,10,"Enter The Second Number: $"
msg3 db "The Sum is: $"

.code
mov ax,@data
mov ds,ax

lea dx,msg1
mov ah,09h
int 21h

mov ah,01h
int 21h

mov bl,al

sub bl,30h

lea dx,msg2
mov ah,09h
int 21h

mov ah,01h
int 21h

mov bh,al
sub bh,30h

lea dx,msg3
mov ah,09h
int 21h

add bl,bh
add bl,30h

mov ah,02h
mov dl,bl
int 21h

mov ah,4ch
int 21h
end

Output

Enter The First Number: 5

Enter The Second Number:3
The Sum is: 8

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