/* 实验目的：学会8*8点阵动态扫描方法.         */ 
/* 实验现象：8*8点阵光柱先从0－9每隔一定的时间动态显示。  */ 
/*********************************************************************************************/ 
#include<reg52.h> 
#include<intrins.h> 
#define uchar unsigned char 
#define uint unsigned int 
uchar code row[] ={0xfe,0xfd,0xfb,0xf7,0xef,0xdf,0xbf,0x7f};//行扫描数组row0--row7.硬件定义为P1口。  
uchar code word[][8]={ 
{0xC7,0xBB,0xBB,0xBB,0xBB,0xBB,0xBB,0xC7},//硬件定义为P0口。'0'  
{0xEF,0x8F,0xEF,0xEF,0xEF,0xEF,0xEF,0xEF},//硬件定义为P0口。'1' 
{0xC7,0xBB,0xBB,0xF7,0xEF,0xDF,0xBF,0x83},//硬件定义为P0口。'2' 
{0xC7,0xBB,0xFB,0xC7,0xFB,0xFB,0xBB,0xC7},//硬件定义为P0口。'3' 
{0xE7,0xE7,0xD7,0xD7,0xB7,0x83,0xF7,0xF7},//硬件定义为P0口。'4' 
{0x83,0xBF,0xBF,0x87,0xFB,0xFB,0xBB,0xC7},//硬件定义为P0口。'5' 
{0xC7,0xBB,0xBF,0x87,0xBB,0xBB,0xBB,0xC7},//硬件定义为P0口。'6' 
{0x83,0xFB,0xF7,0xF7,0xF7,0xEF,0xEF,0xEF},//硬件定义为P0口。'7' 
{0xC7,0xBB,0xBB,0xC7,0xBB,0xBB,0xBB,0xC7},//硬件定义为P0口。'8' 
{0xC7,0xBB,0xBB,0xBB,0xC3,0xFB,0xBB,0xC7},//硬件定义为P0口。'9' 
  }; 
void display(uchar); 
void delay(uint x) 
{ 
uint a,b; 
for(a=x;a>0;a--) 
for(b=100;b>0;b--); 
} 
void main() 
{  
uint i=1000; 
uchar dis_num; 
dis_num=0; 
while(1) 
{ 
for(i=100;i>0;i--) 
{ 
if(dis_num==10) 
dis_num=0; 
display(dis_num); 
} 
dis_num++; 
} 
}  
void display(uchar word_num) 
{ 
uchar i; 
for(i=0;i<8;i++) 
{ 
P1=row[i]; 
P0=word[word_num][i]; 
delay(1); 
P1=0xff; 
P0=0xff; 
} 
}