#include
#define?uchar?unsigned?char
#define?uint?unsigned?int

sbit?Score_Select=P2^6;
sbit?Time_Select=P2^7;
uchar?table[]={0x3f0x060x5b0x4f0x660x6d
0x7d0x070x7f0x6f0x800x400x000x76};//0-9數字，后面為“.?-?熄燈?H“
uchar?msec;
unsigned?char?key_down=0;//鍵按下和松開狀態指示，防止重復讀取鍵值

/*****50msec定時器0中斷*****/
void?T0_int（）?interrupt?1
{
	TH0=0x3c;?	//50ms定時
	TL0=0xB0;

	msec++;
}
/*****延時子程序*****/
void?delay（uint?t）
{
	for（;t>0;t--）;
}

/*--------------------------------------------------------*/
/*4*4矩陣鍵盤鍵值掃描程序?????????????????????????????????*/
/*返回按鍵的數字值????????????????????????????????????????*/
/*--------------------------------------------------------*/
uchar?key_scan（void）
{
	uchar?keykey_val;
	P1=0xf0;//低位行線送低電平
	key=P1;//讀取高位列線電平
	if（key!=0xf0）//是否有鍵按下
	{
		if（key_down==0）//之前沒有按鍵按下
		{	
			key_down=1;//置按鍵按下標志
			delay（5000）;?//延時去抖動5ms
			key=P1;//再讀取高位列線電平
			if（key!=0xf0）//確認有鍵按下
			{
				P1=0x0f;//高位列線拉低回送
				key|=P1;//讀取低位行線電平并與原高位列電平組合得到鍵掃描碼
			}
			else
				return?0xff;//按鍵干擾，返回無效按鍵鍵值
		}
		else
			return?0xff;//按鍵按下未松開，返回無效按鍵鍵值
	}
	else
	{
		if（key_down==1）	key_down=0;//鍵松開，清按鍵標志
		return?0xff;//返回無效按鍵鍵值
	}

	switch（key）
	{	//第一行按鍵
		case?0xee:
			key_val=1;
			break;
		case?0xde:
			key_val=2;
			break;
		case?0xbe:
			key_val=3;
			break;
		case?0x7e:
			key_val=15;
			break;
		//第二行按鍵
		case?0xed:
			key_val=4;
			break;
		case?0xdd:
			key_val=5;
			break;
		case?0xbd:
			key_val=6;
			break;
		case?0x7d:
			key_val=14;
			break;
		//第三行按鍵
		case?0xeb:
			key_val=7;
			break;
		case?0xdb:
			key_val=8;
			break;
		case?0xbb:
			key_val=9;
			break;
		case?0x7b:
			key_val=13;
			break;
		//第四行按鍵
		case?0xe7:
			key_val=10;
			break;
		case?0xd7:
			key_val=0;
			break;
		case?0xb7:
			key_val=11;
			break;
		case?0x77:
			key_val=12;
			break;
		
		default:
			key_val=0xff;//無效按鍵鍵值
			break;
	}
	return?key_val;
}

main（）
{
	uchar?secminutehour;
	char?count_seccount_minutecount_hourcount_pause;
	uchar?set_hourset_minuteset_secset_count;
	long?set_count_timetemp;
	int?temp1;
	uchar?time_settime_set_bittime_disptime[8];
	uchar?teamone_flash;
	uchar?score_setinv;
	int?score_addscore[2];
	uchar?keyvalue;
	uchar?i;

	team=0;
	inv=0;
	score_set=0;
	score_add=0;
	score[0]=score[1]=0;

	time_set=time_set_bit=time_disp=0;
	time[0]=time[1]=0;
	msec=0;
	sec=50;
	minute=59;
	hour=23;

	count_sec=count_minute=count_hour=count_pause=0;
	set_hour=set_minute=set_sec=set_count=set_count_time=0;

	IT0=1;
	EX0=1;
	TMOD=0x11;
	TH0=0x3C;
	TL0=0xB0;
	ET0=1;
	TR0=1;
	EA=1;

	while（1）
??	{
		keyvalue=key_scan（）;
		switch（keyvalue）
		{
			case?15://Time?Set
					if（time_set==0）{
						time_set=1;//標志時鐘設置
						i=2;
						time[i++]=hour/10;
						time[i++]=hour%10;
						time[i++]=minute/10;
						time[i++]=minute%10;		
						time[i++]=sec/10;
						time[i++]=sec%

?屬性????????????大小?????日期????時間???名稱
-----------?---------??----------?-----??----

?????文件?????121325??2013-06-19?17:23??計分器\Last?Loaded?score.DBK

?????文件??????15811??2013-06-20?02:11??計分器\score

?????文件???????8067??2013-06-20?02:11??計分器\score.c

?????文件?????121325??2013-06-20?02:15??計分器\score.DSN

?????文件???????7891??2013-06-20?02:11??計分器\score.hex

?????文件?????????27??2013-06-20?02:11??計分器\score.lnp

?????文件??????23783??2013-06-20?02:11??計分器\score.LST

?????文件??????20511??2013-06-20?02:11??計分器\score.M51

?????文件??????19281??2013-06-20?02:11??計分器\score.OBJ

?????文件????????352??2013-06-20?02:11??計分器\score.plg

?????文件????????790??2013-06-20?02:15??計分器\score.PWI

????.......?????56701??2013-06-20?02:11??計分器\score.uvopt

????.......?????13238??2013-06-19?17:50??計分器\score.uvproj

????.......?????56709??2013-06-20?02:09??計分器\score_uvopt.bak

????.......?????????0??2013-06-19?15:51??計分器\score_uvproj.bak

?????目錄??????????0??2013-06-20?02:17??計分器

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

???????????????465811????????????????????16