boolean quick_resume;
boolean single_step;
boolean changed;
+ boolean solved;
boolean player_participates[MAX_PLAYERS];
int num_participating_players;
int centered_player_nr_next;
boolean hasSolutionTape(void);
boolean InsertSolutionTape(void);
boolean PlaySolutionTape(void);
+boolean PlayScoreTape(int);
void UndoTape(void);
void FixTape_ForceSinglePlayer(void);