51的8*8点阵显示数字

51的代码

#include <reg51.h>
#include <intrins.h>

#define int8 unsigned char
#define int16 unsigned int
#define int32 unsigned long 

int8 code num_tab[10][8]={

{0xFF,0xFF,0xC1,0xBE,0xBE,0xC1,0xFF,0xFF},/*"0",0*/
{0xFF,0xFF,0xDE,0x80,0xFE,0xFF,0xFF,0xFF},/*"1",1*/
{0xFF,0xFF,0xDC,0xBA,0xB6,0xCE,0xFF,0xFF},/*"2",2*/
{0xFF,0xFF,0xDD,0xB6,0xB6,0xC9,0xFF,0xFF},/*"3",3*/
{0xFF,0xFF,0xF1,0xCD,0x80,0xFD,0xFF,0xFF},/*"4",4*/
{0xFF,0xFF,0x86,0xB6,0xB6,0xB9,0xFF,0xFF},/*"5",5*/
{0xFF,0xFF,0xC1,0xB6,0xB6,0xD9,0xFF,0xFF},/*"6",6*/
{0xFF,0xFF,0x9F,0xB8,0xB7,0x8F,0xFF,0xFF},/*"7",7*/
{0xFF,0xFF,0xC9,0xB6,0xB6,0xC9,0xFF,0xFF},/*"8",8*/
{0xFF,0xFF,0xCD,0xB6,0xB6,0xC1,0xFF,0xFF},/*"9",0*/
};

void delay(int x);
void main(void)
{
	int8 i;
	int8 j;
	int8 k;
	P3 = 0x80;
	while(1)
	{
		for(j = 0; j < 10; j++)
		{
			for(k = 0; k < 20; k++)
			{
					for(i = 0; i < 8; i++)
					{
						P0 = 0xff;
						P0 = num_tab[j][i];
						P3 = _crol_(P3,1);
						delay(1);
					}
			}

		}
	}
}
void delay(int x)
{
	int16 i,j;
	for(i=0;i<x;i++)
	{
		for(j=0; j < 500; j++);
	}
}

实现的电路原理图

<img src="http://img.blog.csdn.net/20150121122452694?watermark/2/text/aHR0cDovL2Jsb2cuY3Nkbi5uZXQvdTAxMTA0NjA0Mg==/font/5a6L5L2T/fontsize/400/fill/I0JBQkFCMA==/dissolve/70/gravity/Center" alt="" />

效果显著

<img align="middle" src="http://img.blog.csdn.net/20150121123608718?watermark/2/text/aHR0cDovL2Jsb2cuY3Nkbi5uZXQvdTAxMTA0NjA0Mg==/font/5a6L5L2T/fontsize/400/fill/I0JBQkFCMA==/dissolve/70/gravity/Center" alt="" />