3 cifren

 threeDigitPrint:

    mov ax, suma
    mov bl, hundred
    div bl
    mov ostatok,ah

    mov dl, al
    add dl,48d     ;print
    mov ah, 02h
    int 21h

    mov ah,0d
    mov al,ostatok
    add ostatok2,ax
    mov ax, ostatok2
    mov bl, ten
    div bl

    mov cl, ah ;pomti

    mov dl, al
    add dl,48d  ;pecati cifra2
    mov ah,02h
    int 21h

    mov dl, cl
    add dl,48d
    mov ah,02h
    int 21h