Document more battle pyramid

src/start_menu.c

@@ -36,6 +36,7 @@
 #include "international_string_util.h"
 #include "constants/songs.h"
 #include "field_player_avatar.h"
+#include "battle_pyramid.h"
 #include "battle_pyramid_bag.h"
 #include "battle_pike.h"
 #include "new_game.h"
@@ -94,9 +95,7 @@ extern void CB2_Pokedex(void);
 extern void PlayRainSoundEffect(void);
 extern void CB2_PokeNav(void);
 extern void ScriptUnfreezeEventObjects(void);
-extern void sub_81A9EC8(void);
 extern void save_serialize_map(void);
-extern void sub_81A9E90(void);
 
 // Menu action callbacks
 static bool8 StartMenuPokedexCallback(void);
@@ -798,7 +797,7 @@ static bool8 SaveCallback(void)
         sub_8197DF8(0, TRUE);
         ScriptUnfreezeEventObjects();
         ScriptContext2_Disable();
-        sub_81A9EC8();
+        SoftResetInBattlePyramid();
         return TRUE;
     }