1  #include "program.h"
 2  
 3  long long calibrate() {
 4  	unsigned long long start = __rdtsc();
 5  	struct timespec ts;
 6  	ts.tv_sec = 0;
 7  	ts.tv_nsec = 100000000L; // 0.1 seconds
 8  	nanosleep(&ts, NULL);
 9  	return (__rdtsc() - start) * 10;
10  }
11  const long long enginend::CPUCLOCK=calibrate();
12  void enginend::program::changescene(scene *scn) {
13  	this->currentscene->exit();
14  	delete this->currentscene;
15  	this->currentscene = scn;
16  	this->currentscene->boot();
17  }