Assembly use User define function(procedures)

.MODEL SMALL
.STACK 100H
.DATA
    STR1 DB 'HELLO, $'
    STR2 DB 'HOW ARE YOU? $'
    STR3 DB 'NICE TO MEET YOU. $'

.CODE
    MAIN PROC
        ;INCLUDE 'EMU8086.INC'

        MOV AX, @DATA
        MOV DS, AX

        MOV DX, OFFSET STR1
        MOV AH, 9
        INT 21H

        CALL PROCEDURE

        MOV DX, OFFSET STR2
        MOV AH, 9
        INT 21H

        CALL PROCEDURE

        MOV DX, OFFSET STR3
        MOV AH, 9
        INT 21H


        MOV AH, 4CH
        INT 21H

    MAIN ENDP



    PROCEDURE PROC
        INCLUDE 'EMU8086.INC'
        MOV DX, 10
        MOV AH, 2
        INT 21H

        PRINTN ''

        RET
        PROCEDURE ENDP

END MAIN