void setup() {
 volatile char *portf_out,*portk_inp;
  portf_out=0x30;
  *portf_out=0xFF;
  portk_inp=0x107;
  *portk_inp=0x00;
  volatile long *outf,*inpk;
  outf=0x31;
  inpk=0x106;
  volatile long x,j,i;
  while(1){
    x=*inpk;
    switch(x){
      case 2: case 8: case 64: case 128:
      *outf=0x10;
      delay(1000);
    }
    switch(x){
      case 8: case 64: case 128: case 2:
      *outf=0x00;
      delay(1000); 
    }
  }
}
    
    










    /*switch(x)
    {
      case 128:
      

      break;
      case 64:
      *outf=0x02;break;
      case 32:
      *outf=0x04;break;
      case 16:
      *outf=0x08;break;
      case 8:
      *outf=0x10;break;
      case 4:
      *outf=0x20;break;
      case 2:
      *outf=0x40;break;
      case 1:
      *outf=0x80;break;
    }*/
  



void loop() {
  // put your main code here, to run repeatedly:

}


/*switch(x)
    {
      case 128: //case 8: case 16: case 32: case 64: case 128:
      *outf=0x10;for(i=0;i<200000;i++);*outf=0x00;
      *outf=0x04;for(i=0;i<200000;i++);*outf=0x00;
      *outf=0x01;for(i=0;i<200000;i++);*outf=0x00;
      *outf=0x02;for(i=0;i<200000;i++);*outf=0x00;
      
      
      //*outf=0x20;for(i=0;i<200000;i++);*outf=0x00;
      //*outf=0x40;for(i=0;i<200000;i++);*outf=0x00;
      //*outf=0x80;for(i=0;i<200000;i++);*outf=0x00;
      //*outf=0x10;for(i=0;i<200000;i++);*outf=0x00;
    }*/