Sum with assembly cw1

.model small
.data

msg1 db 'Enter First Number $'
msg2 db 'Enter Second Number $'
msg3 db 'Sum  $'

 A db ?
 B db ?

.code
main proc
    mov ax, @data
    mov ds, ax

    lea dx,msg1
    mov ah, 9
    int 21h

    mov ah,1
    int 21h

    mov A, al
    int 21h

    mov ah, 2
    mov dl, 0ah ;new line
    int 21h
    mov dl, 0dh ;remove space
    int 21h



    ; B input





    lea dx,msg2
    mov ah, 9
    int 21h

    mov ah,1
    int 21h

    mov B, al
    int 21h

    mov ah, 2
    mov dl, 0ah ;new line
    int 21h
    mov dl, 0dh ;remove space
    int 21h



    ; print


    mov ah, 2
    mov dl, 0ah ;new line
    int 21h
    mov dl, 0dh ;remove space
    int 21h



    lea dx, msg3
    mov ah, 9
    int 21h

    mov bh, A
    add bh, B
    sub bh,48

    mov ah, 2

    mov dl, bh
    int 21h













    main endp
end main