leddispmain.c

该模拟器是在Keil7.0中使用。 只要把Ex02Dll.dll复制到 X:KeilC51BIN目录下。 打开测试程序

#include "reg51.h"



code unsigned char num1[10]={0x03,0x9F,0x25,0x0D,0x99,0x49,0x41,0x1F,0x01,0x09};//共阳极
code unsigned char num2[10]={0xfc,0x60,0xda,0xf2,0x66,0xB6,0xBE,0xe0,0xfe,0xf6};//共阴极

void Delay(void);

void main(void)
{
  unsigned char i;
  
  while (1)
  { 
   for (i=0;i<10;i++) 
   {
    P0= num1[i];
	P1= num2[i];
	P2= num1[10-i];
	P3= num1[10-i];
    Delay();
   };
  };
}

void Delay(void)
{ 
 unsigned char m,n;
  for (n=0;n<255;n++) 
    for (m=0;m<255;m++) ;
 }