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#include<reg52.h>
#include <intrins.h>
#define uint unsigned int
#define uchar unsigned char
uchar code table1[]={0xbf,0x86,0xdb,0xcf,0xe6,0xed,0xfd,0x87,0xff,0xef};
uchar code table[]={0x3f,0x06,0x5b,0x4f,0x66,0x6d,0x7d,0x07,0x7f,0x6f};
uchar disbuffer[8]={0};
uchar minute=0,second=0; //定義全局變量
uchar Ascore=0,Bscore=0,temp=0; //
uchar flage1=0; // 定義標(biāo)志位
uchar flage=0; //
uint count,z; //
sbit bizz=P3^7; //蜂鳴器
sbit add1=P1^0; // 加一分
sbit add2=P1^1; // 加兩分
sbit minus1=P1^2; // 減一分
sbit exchange=P1^3; // 上下半場(chǎng)換場(chǎng)時(shí)換分
sbit bstop=P1^4; //全場(chǎng)結(jié)束關(guān)閉蜂鳴器
sbit start=P1^5; //開始
sbit stopagain=P1^6; //暫停開始
sbit turn=P1^7; //切換加分
sbit timeadd=P3^2; //加時(shí)間設(shè)定時(shí)間
void ininterrupt() interrupt 1 //定時(shí)器T0中斷函數(shù)
{
TH0=(65536-50000)/256;
TL0=(65536-50000)%256;
count++;
if(count==20)
{
count=0;
if(second==0 && minute==0)
{
ET0=0;
}
else if(second==0 && minute!=0)
{
second=59;
minute--;
}
else if(second!=0 )
{
second--;
}
}
}
void delay( ) //顯示延時(shí)函數(shù)
{
uint x,y;
for(x=10;x>0;x--)
for(y=10;y>0;y--);
}
void delay1( ) //延時(shí)消抖函數(shù)16ms
{
uint x,y;
for(x=10;x>0;x--)
for(y=360;y>0;y--) ;
}
void display1()
{
uchar i,j;
disbuffer[3]=second%10;
disbuffer[2]=second/10;
disbuffer[1]=minute%10;
disbuffer[0]=minute/10;
disbuffer[5]=Ascore%10;
disbuffer[4]=Ascore/10;
disbuffer[7]=Bscore%10;
disbuffer[6]=Bscore/10;
temp=0xfe;
P2=temp;
for(i=0;i<8;i++)
{
j=disbuffer[i];
P0=table1[j];
delay();
temp=_crol_(temp,1); //調(diào)用函數(shù) 移位
P2=temp;
}
}
void display() //顯示函數(shù)
{
uchar i,j;
uchar temp;
disbuffer[3]=second%10;
disbuffer[2]=second/10;
disbuffer[1]=minute%10;
disbuffer[0]=minute/10;
disbuffer[5]=Ascore%10;
disbuffer[4]=Ascore/10;
disbuffer[7]=Bscore%10;
disbuffer[6]=Bscore/10;
temp=0xfe;
P2=temp;
for(i=0;i<8;i++)
{
j=disbuffer[i];
P0=table[j];
delay();
temp=_crol_(temp,1); //調(diào)用函數(shù) 移位
P2=temp; //
}
}
void bizzer() // 蜂鳴器函數(shù)
{
while(minute==0 && second==0) //判斷時(shí)間結(jié)束
{
bizz=0;
display1();
if(!bstop==1) //關(guān)閉蜂鳴器按鍵
{
delay1(); //延時(shí)消抖
if(!bstop==1)
{
while(!bstop==1);
while(1)
{
bizz=1;
display();
}
}
}
}
}
void exinterrupt() interrupt 0 //中斷
{
delay1();
if(!timeadd) //按鍵設(shè)置比賽時(shí)間
{
while(!timeadd);
minute++;
}
}
void button() //按鍵函數(shù)
{
if(!turn)
{
delay1(); //延時(shí)消抖以下用delay1的都是延時(shí)消抖
if(!turn)
{
while(!turn);
flage+=1; //標(biāo)志位
}
}
if(flage%2==0)
{
if(!add1)
{
delay1();
if(!add1)
{
while(!add1); //按鍵時(shí) 松手檢測(cè)
Ascore+=1; // A加 1 分
}
}
if(!add2)
{
delay1();
if(!add2)
{
while(!add2);
Ascore+=2;
}
}
if(!minus1)
{
delay1();
if(!minus1)
{
while(!minus1);
Ascore-=1;
}
}
}
else
{
if(!add1)
{
delay1();
if(!add1)
{
while(!add1);
Bscore+=1;
}
}
if(!add2)
{
delay1();
if(!add2)
{
while(!add2);
Bscore+=2;
}
}
if(!minus1)
{
delay1();
if(!minus1)
{
while(!minus1);
Bscore-=1;
}
}
}
if(!exchange) //下半場(chǎng)換場(chǎng)切換比分按鍵
{
delay1();
if(!exchange)
{
while(!exchange);
temp=Ascore;
Ascore=Bscore;
Bscore=temp;
}
}
if(!stopagain) //暫停繼續(xù) 按鍵
{
delay1();
if(!stopagain)
{
while(!stopagain);
flage1+=1;
}
}
if(flage1%2==1)
{
TR0=0;
}
else
TR0=1;
if(!bstop==1)
{
delay1();
if(!bstop==1)
{
while(!bstop==1);
bizz=0;
}
}
}
void main()
{
while(1)
{
display();
TH0=(65536-50000)/256;
TL0=(65536-50000)%256;
TMOD=0x01;
EA=1;
ET0=1;
EX0=1;
IT0=1;
if(!start)
{
delay1();
if(!start)
{
while(!start);
TR0=1;
while(minute!=0 || second!=0 )
{
display();
button();
bizzer();
}
}
}
}
}

復(fù)制代碼