#include <reg51.h>

#define LED P2
void delay(int t);


void main(void)
{  
   while(1)
     {
	 LED = 0xf3;     //依序將資料顯示於LED(紅綠)
	 delay(250);     //控制每次延遲的時間(250)

     LED = 0xf7;     
	 delay(10);    

     LED = 0xf3;     
	 delay(10);    

     LED = 0xf7;     
	 delay(10);    

     LED = 0xf3;     
	 delay(10);    	 

     LED = 0xf7;     
	 delay(10);    

     LED = 0xf3;     
	 delay(10);    

     LED = 0xf5;     
	 delay(40);    

     LED = 0xde;     
	 delay(250);

     LED = 0xfe;     
	 delay(10);    

     LED = 0xde;    
	 delay(10);    

     LED = 0xfe;     
	 delay(10);    

     LED = 0xde;    
	 delay(10);   

     LED = 0xfe;    
	 delay(10);    

     LED = 0xde;     
	 delay(10);    

     LED = 0xee;    
	 delay(40);  
     }
}


void delay(int t)	//	延遲函數開始 
{	unsigned int i,j;				//	宣告整數變數i,j 
	for (i=0;i<t;i++)		//	計數t次,延遲t x 25ms 
		for (j=0;j<20000;j++);	//	計數20000次，延遲25ms 

}