#include <16F877.h>       
#FUSES NOWDT,NOPUT,NOPROTECT,NOCPD,NOBROWNOUT
#use delay(clock=20000000)  
#use RS232(Baud=9600,XMIT=PIN_C6,RCV=PIN_C7) 

void main()
{
	unsigned int a;
	
	while(1)
	{

		a=a+1;
		printf("%d\r",a);
		delay_ms(10);
	}
}