#include<reg52.h>
#define uchar unsigned char
#define uint unsigned int
uchar old1,old2,old3,old4,old5,old6; //原始密碼000000
uchar new1,new2,new3,new4,new5,new6; //每次MCU采集到的密碼輸入
uchar a=16,b=16,c=16,d=16,e=16,f=16; //送入數碼管顯示的變量
uchar wei,key,temp;
bit allow,genggai,ok,wanbi,retry,close; //各個狀態位
sbit dula=P2^6;
sbit wela=P2^7;
sbit beep=P2^3;
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