#include <reg51.h>
#include "base.h"
#include "lcd1602.h"
#include "keyscan.h"

sbit led=P3^3;
void main()
{ uchar key=0;
  lcd_init();
  lcd_display_num(123,0,0);
  led=1;
  P1=0xf0;  
  while(1)
  {
    if (keypressed())
	   {
	     led=1;
		 key=getkey();
		 lcd_clear();
		 lcd_display_num(key,0,1);
	   }
	else 
	   led=0;

  }
}