18f4550 ccs

void main()
{

   setup_adc_ports(NO_ANALOGS|VSS_VDD);
   setup_adc(ADC_OFF);
   //setup_psp(PSP_DISABLED);
   //setup_spi(SPI_SS_DISABLED);
   setup_wdt(WDT_OFF);
   setup_timer_0(RTCC_INTERNAL);
   setup_timer_1(T1_DISABLED);
   setup_timer_2(T2_DISABLED,0,1);
   //setup_comparator(NC_NC_NC_NC);
   //setup_vref(FALSE);
   //Setup_Oscillator parameter not selected from Intr Oscillator Config tab

   // TODO: USER CODE!!
  
   set_tris_b(0);
   output_b(0x00);
 
   while(1){
      /*set_tris_b(0);
      output_b(0xF0);*/
     
       output_high(PIN_B0);      
       delay_ms(1000);      
       output_low(PIN_B0);      
       delay_ms(1000);
      }
}