#include"reg51.h"

#define uint unsigned int

#define uchar unsigned char

sbit key1=P1^0;

sbit key2=P1^1;

sbit key3=P1^2;

sbit key4=P1^3;

sbit key5=P1^4;

sbit key6=P1^5;

sbit key7=P1^6;

sbit key8=P1^7;

num=0;

void delay1ms(uint z)

{

uchar i;

while(z--)

for(i=115;i>0;i--);

}

unsigned char code table[]={

0xc0,0xf9,0xa4,0xb0,

0x99,0x92,0x82,0xf8,

0x80,0x98,0x88,0x83,

0xc6,0xa1,0x86,0x8e};

void main()

{

while(1)

{

if(key1==0)

{

delay1ms(10); //按鍵去抖動

if(key1==0)

{

num=1;

P0=table[num];

}

while(!key1);

}

if(key2==0)

{

delay1ms(10); //按鍵去抖動

if(key2==0)

{

num=2;

P0=table[num];

}

while(!key2);

if(key3==0)

{

num=3;

P0=table[num];

}

while(!key3);

}

if(key4==0)

{

delay1ms(10); //按鍵去抖動

if(key4==0)

{

num=4;

P0=table[num];

}

while(!key4);

if(key5==0)

{

num=5;

P0=table[num];

}

while(!key5);

}

if(key6==0)

{

delay1ms(10); //按鍵去抖動

if(key6==0)

{

num=6;

P0=table[num];

}

while(!key6);

if(key7==0)

{

num=7;

P0=table[num];

}

while(!key7);

}

if(key8==0)

{

delay1ms(10); //按鍵去抖動

if(key8==0)

{

num=8;

P0=table[num];

}

while(!key8);

}

}

}