1.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
    S:MOV AH,08H
      INT 21H
      MOV DL,AL
      MOV AH,02H
      INT 21H
      OR  DL,20H
      CMP DL,'q'
      JE  L
      MOV AH,02H
      INT 21H
      JMP S
    L:MOV AH,4CH
      INT 21H
CODE ENDS
     END START