#include <mega8.h>
#include <stdlib.h>
#include <delay.h>
#include <stdio.h>
#define xtal 1000000
// Alphanumeric LCD Module functions
#asm
   .equ __lcd_port=0x18 ;PORTB

#endasm
#include <lcd.h>

void main(void)
   {
      
  unsigned char sr[];char a,b,c; 
  a=0;b=0;c=0; 
    lcd_init(16);
    while(1)     {
        delay_ms (1000);
        a++;   
        if (a==60){
        a=0;
        b++;              
          }     
        if (b==60){
        b=0;
        c++;
        }
        if (c==24){
        c=0;
        }
        if (a<10){
        if (b<10){
        if (c<10){             
        lcd_gotoxy (0,0);
        sprintf (sr,"0%u:0%u:0%u",c,b,a);
         lcd_clear() ;
        lcd_puts (sr);   
        }
        }
        }  
        if (a<10){
        if (b<10){
        if (c>9){
        lcd_gotoxy (0,0);
        sprintf (sr,"%u:0%u:0%u",c,b,a);
         lcd_clear() ;
        lcd_puts (sr);
        }
        }
        }
        if (a<10){
        if (b>9){
        if (c>9){
        lcd_gotoxy (0,0);
        sprintf (sr,"%u:%u:0%u",c,b,a);
         lcd_clear() ;
        lcd_puts (sr);
        }
        }
        }
        if (a>9){
        if (b>9){
        if (c>9){
        lcd_gotoxy (0,0);
        sprintf (sr,"%u:%u:%u",c,b,a);
         lcd_clear() ;
        lcd_puts (sr);
        }
        }
        }
        if (a>9){
        if (b<10){
        if (c<10){
        lcd_gotoxy (0,0);
        sprintf (sr,"0%u:0%u:%u",c,b,a);
         lcd_clear() ;
        lcd_puts (sr);
        }
        }
        }
        if (a>9){
        if (b>9){
        if (c<10){
        lcd_gotoxy (0,0);
        sprintf (sr,"0%u:%u:%u",c,b,a);
         lcd_clear() ;
        lcd_puts (sr);
        }
        }
        }
        if (a<10){
        if (b>10){
        if (c<10){
        lcd_gotoxy (0,0);
        sprintf (sr,"0%u:%u:0%u",c,b,a);
         lcd_clear() ;
        lcd_puts (sr);
        }
        }
        }
        if (a>9){
        if (b<10){
        if (c>9){  
        lcd_gotoxy (0,0);
        sprintf (sr,"%u:0%u:%u",c,b,a);
         lcd_clear() ;
        lcd_puts (sr);
        }
        }
        }
  }
 }