#include <math.h>

#ifndef M_PI
#define M_PI 3.141592654
#endif

extern BITMAP *page;
extern BITMAP *background;

extern SAMPLE *boing;
extern SAMPLE *biong;
extern SAMPLE *squeak;
extern SAMPLE *bleam; 
extern SAMPLE *vrumm;
extern SAMPLE *ex;

extern MIDI *music; 
extern MIDI *music2; 

extern DATAFILE *numberfont;
extern DATAFILE *egyptfont;

extern int fps;

int setgfx(int mode);
void redraw_background();