+void InitGraphicInfo_BD(void);
+
+void PlayLevelSound_BD(int, int, int, int);
+void StopSound_BD(int, int);
+boolean isSoundPlaying_BD(int, int);
+
+byte *TapePlayAction_BD(void);
+byte *TapeCorrectAction_BD(byte *);
+boolean TapeIsPlaying_ReplayBD(void);
+