void main ( void ) 
{ 
    lcd_init(); 
    while(1) {
        lcd_gotoxy (1,1); 
        lcd_putc ("test" ); 
    } // end while
}

#include <16f877a.h>
#use delay (clock = 20000000)
#fuses NOWDT,NOPUT,HS,NOPROTECT
#include <LCD.C>
#define INTS_PER_10SECOND 153     // (4000000/(4*256*256*0.1))

BYTE ten_seconds;      // A running seconds counter
BYTE int_count;    // Number of interrupts left before ten second has elapsed

#int_rtcc                          // This function is called every time
void clock_isr() {                 // the RTCC (timer0) overflows (255->0).
                                   // For this program this is apx 76 times
    if(--int_count==0) {           // per second.
      ++ten_seconds;
      int_count=INTS_PER_10SECOND;
    }
}

void main() {

   BYTE start;

   int_count=INTS_PER_10SECOND;
   
   set_timer0(0);
   setup_counters( RTCC_INTERNAL, RTCC_DIV_256 | RTCC_8_BIT);
   enable_interrupts(INT_RB);
  // enable_interrupts(GLOBAL);

   while (TRUE)
   {
   set_tris_a(1);
   lcd_init();
   lcd_putc("\RPM:\n");
   lcd_putc("++ten_seconds");
   }   
}