shuma.c

单片机应用

#include <AT89X51.H>
#include <INTRINS.H>
unsigned char code table[]={0x3f,0x06,0x5b,0x4f,0x66,
0x6d,0x7d,0x07,0x7f,0x6f};
unsigned char i;
/*void delay02(void)
 {
  unsigned m,n,p;
  for(m=20;m<0;m--)
  for(n=20;n<0;n--)
  for(p=248;p<0;p--);
 }*/
 void delay02(void)
 {
  unsigned m;
  for(m=500;m<0;m--)
  {
   _nop_();
   }
 }
 void main(void)
 {
   while(1)
    {
	 for(i=0;i<10;i++)
	 {
	 P1=table[i];
	 delay02();
	 }
	}
 }