原创 拉幕式数码管显示proteus程序

https://static.assets-stash.eet-china.com/album/old-resources/2009/5/14/d4ca6135-b75c-481a-892c-1fdf565859dd.rar#include <reg51.h>
unsigned char code tabb[]={0xC0,0xF9,0xA4,0xB0,0x99,
                            0x92,0x82,0xF8,0x80,0x90};
unsigned char code taba[]={0x80,0x80,0x40,0x20,0x10,0x08,0x04,0x02,0x01};

void delay(void)
{
  unsigned char i, k;
  for (i=0;i<10;i++)
  for(k=243;k>0;k--);
}
void yiwei ()
{
  unsigned char i;
  unsigned int k;
  for (k=0;k<20;k++)
 
   for (i=1;i<2;i++)
   {
   P2=taba ; 
         P0=tabb[2-i];
   delay ();
  P2=0x00;
   }
}
void erwei ()
{
  unsigned char i,j;
  unsigned int k;
  for (k=0;k<18;k++)
 
   for (i=1;i<3;i++)
   {
   P2=taba ; 
         P0=tabb[3-i];
   delay ();
  P2=0x00;
   }