bitset!

Kode 

#include <iostream>
#include <bitset>
int main() {
  const std::bitset<24> x_mask(0xff0000);
  const std::bitset<24> y_mask(0xff00);
  const std::bitset<24> z_mask(0xff);
  std::bitset<24> coords(0xffffff);
  std::bitset<24> cache;
  cache = (coords & x_mask);
  short x = cache.to_ulong();
  cache = (coords & y_mask);
  short y = cache.to_ulong();
  cache = (coords & z_mask);
  short z = cache.to_ulong();
  std::cout << x << "," << y << "," << z;
  std::cin.get();
}