#include <lcd12864.h>
#include <ds1302.h>
#define uchar unsigned char
extern void delay0(uchar);
sbit key3=P1^4;
sbit key4=P1^5;
state(){
uchar i;
 if(!key4){
 	    delay0(20);
	    if(!key4){
         lcd_clr(); 
		 lcd_clr();
			}
		while(!key4); 
		}

	   if(!key3){
 	   delay0(20);
	    if(!key3){
	    i++;
   		if(i==2){
	    i = 0;
			}
        }while(!key3); 
		}
	  if(i == 0){
	   disch();
	   distmp();
      //  delay(200);
	   }
 	  if(i == 1){
       dis1302();
	   }
}