DOSSEG
   .MODEL TINY
   .STACK 100h
   .DATA
        A DB 0, 1, 2, 3, 4, 5, 6, 7, 8, 9,  '$'
        B DB 11 DUP(0)
   .CODE
   start:
         cld
        mov ax, @DATA
        mov ds, ax
        mov es, ax

        lea si, A
        lea di, B

        mov cx, 11
        rep movsb
        mov cx, 10
        lea si, B

 m2:    mov ax, [si]
        add ax, 30h
        mov [si], ax
        add si, 1
        loop m2
        mov cx,10
        mov si, 0
 m1:
        mov dl, [A+si]
        add dl, 30h
        int 21h
        mov ah, 02h
        mov dl, 20h
        int 21h
        inc si
 loop m1

        mov ah, 4ch
        int 21h
   END start