麻烦会微机原理的大侠帮忙看一下

只看该作者 · 2017-11-23 11:30

本帖最后由 neorage 于 2017-11-23 11:31 编辑

CODE SEGMENT
      ASSUME CS:CODE
START: MOV AL,80H
      MOV DX, 806H
      OUT DX, AL
AGAIN:  MOV AL,3FH
      MOV DX,802H
      OUT DX,AL
      MOV AL,0FEH
      MOV DX,800H
      OUT DX, AL

RED:       MOV AL,10000110B
      OUT 80H,AL
      MOV AL,0FEH
      MOV DX,800H
      OUT DX,AL
      CALL DELAY

GREEN:       MOV AL,10110001B
      OUT 80H,AL
      MOV AL,00001001B
      OUT 80H,AL
      MOV DX,804H
      OUT DX,AL
      CALL DELAY

YELLOW:       MOV AL,10111000B
      OUT 80H,AL
      MOV AL,00000000B
      OUT 80H,AL
      MOV DX,804H
      OUT DX,AL
      JMP AGAIN

      MOV AH,4CH
      INT 21H

DELAY PROC
   PUSH BX
   PUSH CX
   MOV BX,10
BEGIN:MOV CX,20
WAIT1:LOOP WAIT1
   DEC BX
   JNZ BEGIN
   POP CX
   POP BX
   RET
   DELAY ENDP

CODE       ENDS
      END START

麻烦各位大侠指点一下我自己编的在proteus仿真不了