#define  Time  delay_ms(1000);
    #define  LED   portb

          void LED_right() {
     Time
     portb = 1; Time   portb = 2; Time    portb = 4; Time    portb = 8; Time
     portb = 16; Time    portb = 32; Time    portb = 64; Time    portb = 128; Time
     portb = 0; Time
   }
  
         void LED_lift() {

     Time
     portb = 128; Time   portb = 64; Time    portb = 32; Time    portb =16; Time
     portb = 8; Time    portb = 4; Time    portb = 2; Time    portb = 1; Time
     portb = 0; Time

   }
   
             void main() {

      trisb = 0;   portb = 0;
      trisa = 3;   porta = 0;
  //************************//
       LED_right();
        LED_right();
        LED_right();
        LED_right();
    //************//
       LED_lift();
        LED_lift();
        LED_lift();
        LED_lift();
        
        while (1) {
          loop:

    if(porta.F0==0) { LED ++;  while (1) { if(porta.F0==1){ goto loop;   }} }

    //****************************//

   if(portb==3) {  LED = 4; }
   if(portb==5) {  LED = 8; }
   if(portb==9) {  LED = 16; }
   if(portb==17) {  LED = 32; }
   if(portb==33) {  LED = 64; }
   if(portb==65) {  LED = 128; }
   if(portb==129) {  LED = 1; }
   
   
  }
 }