8086 example hello world

Example: 8086 example hello world

DATA SEGMENT
     MESSAGE DB "HELLO WORLD!!!$"
ENDS
CODE SEGMENT  
    ASSUME DS:DATA CS:CODE
START:
      MOV AX,DATA
      MOV DS,AX
      LEA DX,MESSAGE       
      MOV AH,9
      INT 21H
      MOV AH,4CH
      INT 21H      
ENDS
END START