extern bool msg_flag;
extern s16b running;
extern s16b resting;
-extern s16b cur_hgt;
-extern s16b cur_wid;
-extern s16b dun_level;
+extern POSITION cur_hgt;
+extern POSITION cur_wid;
+extern DEPTH dun_level;
extern s16b num_repro;
-extern s16b object_level;
-extern s16b monster_level;
-extern s16b base_level;
+extern DEPTH object_level;
+extern DEPTH monster_level;
+extern DEPTH base_level;
extern s32b turn;
extern s32b turn_limit;
extern s32b dungeon_turn;