;hello world 程序
 .586
DATA SEGMENT USE16
      MESG DB 'hello tasm',0AH,'$'
DATA ENDS
CODE SEGMENT USE16
      ASSUME CS:CODE,DS:DATA
BEG:  MOV AX,DATA
      MOV DS, AX
      MOV CX,8
LAST: MOV AH,9
      MOV DX, OFFSET MESG
      INT 21H
      LOOP LAST
      MOV AH,4CH
      INT 21H;BACK TO DOS
CODE ENDS
END  BEG