5087测试程序.c

采用DS12C887做时钟

 #include <AT89X52.H>
 unsigned char code Tab[10]={0x47,0x1e,0x2e,0x4e,0x1d,0x2d,0x4d,0x1b,0x2b,0x4b};
 unsigned char display[]={0xFC,0x60,0xDA,0xF2,0X66,0xB6,0xBE,0xE0,0xFE,0xF6,0x00};
  unsigned char  m,n=2;

 void delay(void)
{  unsigned char 	i,j;
   for(i=0;i<200;i++){	for(j=0;j<75;j++) ;	}
} 

void main(void)
  {	SCON=0;  SP=0x70; TI=0;	P1=0;
	
   while(1)	 
     {   if(P3_2==0)  
	        {  delay();delay();delay();
			   if(P3_2==0) 
			     {  n++;if(n==10){n=0;}
			       P2=Tab[n]; 
				   SBUF=display[n];while(!TI) ;TI=0;
				 }
   			 }
	  }
	 }