#include<reg51.h>

#define uchar unsigned char

#define uint unsigned int

sbit A=P2^2;

sbit D=P2^3;

sbit C=P2^4;

sbit A1=P2^5;

sbit D1=P2^6;

sbit C1=P2^7;

uchar code c[]={0x3f,0x06,0x5b,0x4f,0x66,0x6d,0x7d,0x07,0x7f,0x6f}; int

shi1=2,shi2=3,fen1=5,fen2=9,miao1=4,miao2=0,nian1=1,nian2=8,yue1=0,yue2=6,ri1=0,ri2=6;

int t=0;

void delay(uint z)

{

uint x;

uchar y;

for(x=z;x>0;x--)

for(y=20;y>0;y--);

}

void disp1() //年月日

{

A=0;

D=0;

C=0;

P1=c[nian1]; //顯示該位數(shù)字

delay(10); //延時

P1=0x00; //消去陰影

A=1;

D=0;

C=0;

P1=c[nian2];

delay(10);

P1=0x00;

A=0;

D=1;

C=0;

P1=0x40;

delay(10);

P1=0x00;

A=1;

D=1;

C=0;

P1=c[yue1];

delay(10);

P1=0x00;

A=0;

D=0;

C=1;

P1=c[yue2];

delay(10);

P1=0x00;

A=1;

D=0;

C=1;

P1=0x40;

delay(10);

P1=0x00;

A=0;

D=1;

C=1;

P1=c[ri1];

delay(10);

P1=0x00;

A=1;

D=1;

C=1;

P1=c[ri2];

delay(10);

P1=0x00;

}

void disp2() //時分秒

{

A1=0;

D1=0;

C1=0;

P0=c[shi1];

delay(10);

P0=0x00;

A1=1;

D1=0;

C1=0;

P0=c[shi2];

delay(10);

P0=0x00;

A1=0;

D1=1;

C1=0;

P0=0x40;

delay(10);

P0=0x00;

A1=1;

D1=1;

C1=0;

P0=c[fen1];

delay(10);

P0=0x00;

A1=0;

D1=0;

C1=1;

P0=c[fen2];

delay(10);

P0=0x00;

A1=1;

D1=0;

C1=1;

P0=0x40;

delay(10);

P0=0x00;

A1=0;

D1=1;

C1=1;

P0=c[miao1];

delay(10);

P0=0x00;

A1=1;

D1=1;

C1=1;

P0=c[miao2];

delay(10);

P0=0x00;

}

void jishi()

{

miao2++;

if(miao2==10)

{

miao2=0;

miao1++;

if(miao1==6)

{

miao1=0;

fen2++;

if(fen2==10)

{

fen2=0;

fen1++;

if(fen1==6)

{

fen1=0;

shi2++;

if(shi1==2)

{

if(shi2==4)

{

shi2=0;

shi1=0;

ri2++;

if(ri2==10)

{

ri2=0;

ri1++;

if(ri1==4)

{

ri1=0;

yue2++;

if(yue1==1)

{

if(yue2==3)

{

yue2=0;

yue1=0;

nian2++;

if(nian2==10)

{

nian2=0;

nian1++;

if(nian1==10)

nian1=0;

}

}

}

else

{

if(yue2==10)

{

yue2=0;

yue1++;

}

}

}

}

}

}

else

{

if(shi2==10)

shi2=0;

shi1++;

}

}

}

}

}

}

void main()

{

while(1)

{

disp1();

disp2();

jishi();

}

}