《初学者C51自学笔记》之流水灯实现(总线操作）

#include

#define uchar unsigned char //宏定义

#define uint unsigned int

unsigned char table[]={0xfe,0xfd,0xfb,0xf7,0xef,0xdf,0xbf,0x7f};//11111110,11111101,11111011.....

/*

    延时

*/

void delay(void)

{

uchar a,b;

for(a=0;a<200;a++)

for(b=0;b<200;b++);

}

void main()

{

uchar i;

while(1)

{

    for(i=0;i<8;i++)

    {

    P0=table[i];

    delay();

    }

    }

}