text1.c

刚学时编的小程序

#include<AT89X51.H>

unsigned char code table[]={0x3f,0x06,0x5b,0x4f,0x66,0x6d,0x7d,0x07,0x7f,0x6f}; 

unsigned char second; 

void delay1s()
{
	unsigned char i,j,k;
	for(i=10000;i>0;i--)
	for(j=10000;j>0;j--) 
	for(k=1000;k>0;k--) ; 
}
void main()
{
	second=0;
	P3=table[second/10];
	P2=table[second%10];
	while(1)
	{
		delay1s();
    	second++;
		if(second==60)
		{
			second=0 ;
		 }
		P3=table[second/10]	;
		P2=table[second%10];
	}
}