#include
#define?uchar?unsigned?char
#define?uint??unsigned?int
uchar?code?dispbit[]={?0x010x020x040x080x100x20};
sbit?M=P2^2;
uchar?code?dispcode[]={??
????????????????0x3F??//“0“
????????????????0x06??//“1“
????????????????0x5B??//“2“
????????????????0x4F??//“3“
????????????????0x66??//“4“
????????????????0x6D??//“5“
????????????????0x7D??//“6“
????????????????0x07??//“7“
????????????????0x7F??//“8“
????????????????0x6F??//“9“
??????????????
				};?
uchar?dispbuf[8]={00000000};
uchar?i=0;
	???
uchar?timecount;
uchar?flag=0count=0;			??
unsigned?long?int?counter;
void?delay（uchar?t）?????//延時(shí)1MS
	??{??uchar?ij;
	?????for（j=0;j	?????for（i=0;i<120;i++）;
	??}

?void?main?（void）						?//主函數(shù)入口處
{?
??P1=0xff;
??TMOD=0x15;				//0001?0101	?選擇01的工作方式?及?開啟T0的計(jì)數(shù)功能
??TH0=0;
??TL0=0;
??TH1=（65536-4000）/256;
??TL1=（65536-4000）%256;
??TR1=TR0=ET0=ET1=EA=1;		?/