2.asm

好东西！！自家漫漫的研究

CODE SEGMENT
     ASSUME CS:CODE,DS:CODE
START:MOV AX,CS
      MOV DS,AX
      MOV AH,01H
      INT 21H
      AND  AL,11011111B
      MOV DL,AL
      MOV AH,02H
      INT 21H
      MOV AH,4CH
      INT 21H
CODE ENDS
     END START