#include
unsigned?int?ncountflag;
sbit?P3_7=P3^7;
void?main（）
{
	TMOD=0x01;
	TH0=0xD8;
	TL0=0xf0;
	EA=1;
	ET0=1;
	P3_7=0;
	n=0;
	TR0=1;
	flag=0;
	while（1）
	{
		{?if（flag==0）
			{switch（n）
				{
				case?0:{P1=0xdb;count=1000;break;}
				case?1:{P1=0xdd;count=300;break;}
				case?2:{P1=0x7e;count=1000;break;}
				case?3:{P1=0xbe;count=300;break;}
			?????}
		????}
????????}
????}
}
void?time0_int（）interrupt?1
{
	flag=1;
	TH0=0xD8;
	TL0=0xf0;
	count--;
	if（count==0）
	{
		flag=0;
		n++;
		if（n>3）n=0;
	}
}

?屬性????????????大小?????日期????時(shí)間???名稱
-----------?---------??----------?-----??----

?????文件?????122812??2011-11-23?21:42??4\4.DSN

?????文件???????2188??2011-11-15?17:08??4\4_1

?????文件????????558??2011-11-15?17:08??4\4_1.c

?????文件????????520??2011-11-15?17:08??4\4_1.hex

?????文件?????????23??2011-11-15?17:08??4\4_1.lnp

?????文件???????2240??2011-11-15?17:08??4\4_1.LST

?????文件???????3985??2011-11-15?17:08??4\4_1.M51

?????文件???????2552??2011-11-15?17:08??4\4_1.OBJ

?????文件???????1171??2011-11-25?20:23??4\4_1.Opt

?????文件????????165??2011-11-25?20:19??4\4_1.plg

?????文件???????2116??2011-11-25?20:23??4\4_1.Uv2

?????文件???????1166??2011-11-24?23:31??4\4_1_Opt.Bak

?????文件???????2103??2011-11-14?18:45??4\4_1_Uv2.Bak

?????文件?????125285??2011-11-23?21:39??4\Last?Loaded?3.DBK

?????文件?????120081??2011-11-12?23:55??4\Last?Loaded?4.DBK

?????目錄??????????0??2011-11-25?20:23??4

-----------?---------??----------?-----??----

???????????????386965????????????????????16