extern void BackToFront_EM(void);
extern void BlitScreenToBitmap_EM(Bitmap *);
extern void RedrawPlayfield_EM(boolean);
extern void DrawGameDoorValues_EM();
extern void BackToFront_EM(void);
extern void BlitScreenToBitmap_EM(Bitmap *);
extern void RedrawPlayfield_EM(boolean);
extern void DrawGameDoorValues_EM();