+ char * mem_map; /* map cells of player's map memory */
+ char * meta_map_0; /* map cells metadata */ // 7DRL
+ char * meta_map_1; /* map cells metadata */ // 7DRL
+ char * queue; /* stores un-processed messages read from the input file */
+ struct yx_uint8 player_pos; /* coordinates of player on map */
+ struct yx_uint8 look_pos; /* coordinates of look cursor */