#include <16f877.h>
#fuses XT,NOWDT,NOPROTECT,NOBROWNOUT,NOLVP,NOPUT,NOWRT,NODEBUG,NOCPD
#use delay(clock=4000000)
#use fast_io(b)
int8 i,led;
void main ()
{
setup_psp(psp_disabled);
setup_timer_1(t1_disabled);
setup_timer_2(t2_disabled,0,1);
setup_adc_ports(no_analogs)...