#include

int?i?=?0;
sbit?speak?=?P1^6;

unsigned?char?sx[]?=?{0xc00xf90xa40xb00x99
0x920x820xf80x800x90};

void?main（）
{
	IT0?=?1;
	EX0?=?1;
	EA?=?1;
	IT1?=?1;
	EX1?=?1;
	while（1）
	{
		P0?=?sx[i];
		P2?=?0X00;
		if?（i>=9||i<=0）
		{
			speak?=?0;?
		}
		if（i<9&&i>0）
		{
			speak?=?1;
		}
		if（i?==?10）i?=0;
		if（i?==?（-1））i?=?9;?
	}
}

void?int0（）?interrupt?0
{
	i?++;
}

void?int1（）?interrupt?2
{
	i?--;
}

?屬性????????????大小?????日期????時間???名稱
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?????文件??????79962??2012-05-04?15:42??頻率計數器\3.22計數器\Last?Loaded?JSQ.DBK

?????文件???????1546??2012-05-04?15:56??頻率計數器\3.22計數器\shishi

?????文件????????469??2012-05-04?16:14??頻率計數器\3.22計數器\shishi..c

?????文件???????1946??2012-05-04?15:56??頻率計數器\3.22計數器\shishi..LST

?????文件???????1879??2012-05-04?15:56??頻率計數器\3.22計數器\shishi..OBJ

?????文件????????906??2012-05-04?15:56??頻率計數器\3.22計數器\shishi.hex

?????文件?????????45??2012-05-04?15:56??頻率計數器\3.22計數器\shishi.lnp

?????文件???????5992??2012-05-04?15:56??頻率計數器\3.22計數器\shishi.M51

?????文件????????958??2012-05-04?16:30??頻率計數器\3.22計數器\shishi.opt.bak

?????文件????????166??2012-05-28?21:05??頻率計數器\3.22計數器\shishi.plg

?????文件???????1657??2012-05-04?15:40??頻率計數器\3.22計數器\shishi.Uv2.bak

?????文件??????55801??2012-05-28?21:05??頻率計數器\3.22計數器\shishi.uvopt

?????文件??????13189??2012-05-28?21:05??頻率計數器\3.22計數器\shishi.uvproj

?????文件????????956??2012-05-04?16:14??頻率計數器\3.22計數器\shishi_Opt.Bak

?????文件??????????0??2012-05-04?14:47??頻率計數器\3.22計數器\shishi_Uv2.Bak

?????文件??????81719??2012-05-04?16:03??頻率計數器\仿真\JSQ.DSN

?????文件????????768??2012-05-04?16:50??頻率計數器\仿真\JSQ.PWI

?????文件??????81920??2012-05-28?21:06??頻率計數器\頻率計數器.doc

?????目錄??????????0??2012-05-28?21:05??頻率計數器\3.22計數器

?????目錄??????????0??2012-05-28?21:05??頻率計數器\仿真

?????目錄??????????0??2012-05-28?21:06??頻率計數器

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???????????????329879????????????????????21