#include <AT89X51.H> 	//預處理文件里面定義了特殊寄存器的名稱如P1 口定義為P1 
void main(void) 
{ 
	//定義花樣數據
	const unsigned char design[32]={
		0xFF,0xFE,0xFD,0xFB,0xF7,0xEF,0xDF,0xBF,
		0x7F,0x7F,0xBF,0xDF,0xEF,0xF7,0xFB,0xFD,
		0xFE,0xFF,0xFF,0xFE,0xFC,0xF8,0xF0,0xE0,
		0xC0,0x80,0x0,0xE7,0xDB,0xBD,0x7E,0xFF
	}; 
	unsigned int a; 	//定義循環用的變量
	unsigned char b; 	//在C51 編程中因內存有限盡可能使用少字節的類型，對大型程序很受用
 	do{ 
   		for (b=0; b<32; b++) 
		{
     			for(a=0; a<30000; a++); 	// 延時一段時間
     			P1 = design[b]; 		// 讀已定義的花樣數據并寫花樣數據到P1 口
 		} 
	}while(1);
}