#include?
unsigned?int?a=0b=0c=0d=0;
int	num[10]=?{?0xc00xf90xa40xb00x990x920x820xf80x800x90};
void?InitTimer0（void）
{
????TMOD?=?0x01;
????TH0?=?0xD8;
????TL0?=?0xF0;
????EA?=?1;
????ET0?=?1;
????TR0?=?1;?
}
void?main（void）
{?	
	InitTimer0（）;
	while（1）;
}??

void?Timer0Interrupt（void）?interrupt?1
{??

????TH0?=?0xD8;
????TL0?=?0xF0;
	a++;
	if（a%100==0）
	{
		b++;
	}
	P2=num[b];
}

?屬性????????????大小?????日期????時(shí)間???名稱
-----------?---------??----------?-----??----
?????文件??????111505??2015-10-30?09:13??C51交通燈.DSN
?????目錄???????????0??2018-08-19?12:01??數(shù)碼館0_9\
?????文件????????2402??2015-01-22?17:18??數(shù)碼館0_9\0_9
?????文件?????????432??2015-01-22?17:17??數(shù)碼館0_9\0_9.c
?????文件????????1138??2015-01-22?17:18??數(shù)碼館0_9\0_9.hex
?????文件??????????23??2015-01-22?17:18??數(shù)碼館0_9\0_9.lnp
?????文件????????1639??2015-01-22?17:18??數(shù)碼館0_9\0_9.LST
?????文件????????3951??2015-01-22?17:18??數(shù)碼館0_9\0_9.M51
?????文件????????2506??2015-01-22?17:18??數(shù)碼館0_9\0_9.OBJ
?????文件?????????181??2018-08-19?12:01??數(shù)碼館0_9\0_9.plg
?????文件???????55181??2018-08-19?12:01??數(shù)碼館0_9\0_9.uvopt
?????文件???????13215??2015-01-22?17:19??數(shù)碼館0_9\0_9.uvproj
?????文件???????55177??2015-01-22?17:19??數(shù)碼館0_9\0_9_uvopt.bak
?????文件???????13211??2015-01-22?17:06??數(shù)碼館0_9\0_9_uvproj.bak