/* all global function prototypes */
-int open_all(void);
-void close_all(void);
-
void readjoy(byte, struct PLAYER *);
void game_initscreen(void);
void play_sound(int, int, int);
void play_element_sound(int, int, int, int);
-void logic_1(void);
-void logic_2(void);
-void logic_3(void);
+void logic_players(void);
+void logic_objects(void);
+void logic_globals(void);
int cleanup_em_level(unsigned char *, int, char *);
void convert_em_level(unsigned char *, int);