STACK    SEGMENT STACK
DB       200 DUP(0)
STACK    ENDS
DATA     SEGMENT
BUF      DB 'HOW ARE YOU!$'
DATA     ENDS
CODE     SEGMENT
         ASSUME CS:CODE,DS:DATA,SS:STACK
BEGIN:   MOV   AX,DATA
         MOV   DS,AX
         LEA   DX,BUF
         MOV   AH,9
         INT   21H
         MOV   AH,4CH
         INT   21H
         CODE  ENDS
END BEGIN