5_1

    org 100h

    NL_ equ 0dh, 0ah

start:
    mov ah, 9 ;output - helloStr
    mov dx, helloStr_
    int 21h

    mov ah, 0ah ;input - string
    mov dx, buffStr_
    int 21h

    mov ah, 2 ;output - new line
    mov dx, 0d0ah
    int 21h

    cld ;direction - forward (df = 0)
    mov si, buffStr_ ;SOURCE address...
    add si, 12 ;first two bytes MAX_LEN and LEN + tenth symbol = +12
    mov di, destStr_ ;DESTINATION address
    mov cx, 6 ;10 11 12 13 14 15 - 6 symbols
    rep movsb ;repeat movsb (movs byte), until cx = 0

    mov ah, 9 ;output - resultStr
    mov dx, resultStr_
    int 21h

    mov dx, destStr_ ;output - copied string
    int 21h

    mov dx, byeStr_ ;output - byeStr
    int 21h

    mov ah, 7 ;wait for input
    int 21h
    ret

helloStr_ db "This program transfers bytes 10 to 15", NL_, "Input string with length of 16:", NL_ , "$"
buffStr_ db 17, 0, 17 dup (?)
destStr_ db "******$"
resultStr_ db "Result string:", NL_, "$"
byeStr_ db NL_, "The program has now terminated.$"