Simple combinatorial PAL/GAL reader

[johnwasser]

@anonyfous

     for(int i = 0, x = 1; i < binLength; i++, x+=2) { 
     if(binNumber[i] == '0') state = LOW;
      if(binNumber[i] == '1') state = HIGH;
      digitalWrite(outPin[i] + binLength - x, state);
    } 

Why is ‘x’ being incremented by 2??? Why are you adding binLength-x to the pin number???