dop_1

        org     100h
Start:
        mov     ah, $09
        mov     dx, EnterStr
        int     21h

        mov     ah, $0a
        mov     dx, Name
        int     21h

        mov     ah, $02
        mov     dl, 10
        int     21h

        mov     ah, $09
        mov     dx, HelloStr
        int     21h

        mov     bl, [Name + 1]
        mov     [Name + 2 + bx], "$"

        mov     dx, Name + 2
        int     21h

        mov     ah, $02
        mov     dl, "!"
        int     21h

        mov     ah, $08
        int     21h

        ret

EnterStr db     "Enter your name: $"
HelloStr db     "Hello, $"
Name     db     20, 0, 20 dup(?)