//#include <16F628.h>
#include <16F648A.h>
#use delay(clock=4000000)
#fuses XT,PUT,BROWNOUT,MCLR,NOWDT,NOPROTECT,NOLVP
#define  TxD         PIN_A0   
#define  RxD         PIN_A1   
#use rs232(baud=9600, xmit=TxD,rcv=RxD) 


int16 time;


#INT_CCP1
void compare_isr() 
{

   time = get_timer1();              // Get Timer1
   printf("Compare set interrupt\r\n");
   printf("Timer1: %lu us\r\n",time);
   disable_interrupts(GLOBAL);       // All interrupts OFF
   disable_interrupts(INT_CCP1);     // Disable interrupt CCP1
}

void main(void) 
{
   setup_ccp1(CCP_COMPARE_INT);     // Interrupt on compare mode
   setup_timer_1(T1_INTERNAL);      // Set up timer to instruction clk

   enable_interrupts(INT_CCP1);     // Enable interrupt CCP1
   enable_interrupts(GLOBAL);       // All interrupts ON

   set_timer1(0);                   // Set Timer1
   CCP_1 = 500;                     // Set high time limit to 100 us
                                    // limit is time/(clock/4)
                                    // 500 = .0001*(20000000/4)
   while(TRUE);                     //Loop here
}