3 files changed, 17 insertions, 9 deletions
diff --git a/include/battle.h b/include/battle.h
index c0baaf313..954d33b07 100644
--- a/include/battle.h
+++ b/include/battle.h
@@ -344,6 +344,15 @@ struct BattleTvMovePoints
     s16 points[2][PARTY_SIZE * 4];
 };
 
+struct LinkBattlerHeader
+{
+    u8 versionSignatureLo;
+    u8 versionSignatureHi;
+    u8 vsScreenHealthFlagsLo;
+    u8 vsScreenHealthFlagsHi;
+    struct BattleEnigmaBerry battleEnigmaBerry;
+};
+
 struct BattleStruct
 {
     u8 turnEffectsTracker;
@@ -419,11 +428,10 @@ struct BattleStruct
     u8 givenExpMons; // Bits for enemy party's pokemon that gave exp to player's party.
     u8 lastTakenMoveFrom[MAX_BATTLERS_COUNT * MAX_BATTLERS_COUNT * 2]; // a 3-D array [target][attacker][byte]
     u16 castformPalette[MAX_BATTLERS_COUNT][16];
-    u8 field_180; // weird field, used in battle_main.c, once accessed as an array of u32 overwriting the field below
-    u8 field_181;
-    u8 vsScreenHealthFlagsLo;
-    u8 vsScreenHealthFlagsHi; // Last bit is 'has frontier pass'
-    struct BattleEnigmaBerry battleEnigmaBerry;
+    union {
+        struct LinkBattlerHeader linkBattlerHeader;
+        u32 battleVideo[2];
+    } multiBuffer;
     u8 wishPerishSongState;
     u8 wishPerishSongBattlerId;
     bool8 overworldWeatherDone;
diff --git a/include/main.h b/include/main.h
index 16ac31df2..cad5c0ef9 100644
--- a/include/main.h
+++ b/include/main.h
@@ -37,7 +37,7 @@ struct Main
 
     /*0x439*/ u8 oamLoadDisabled:1;
     /*0x439*/ u8 inBattle:1;
-    /*0x439*/ u8 field_439_x4:1;
+    /*0x439*/ u8 anyLinkBattlerHasFrontierPass:1;
 };
 
 extern const u8 gGameVersion;
diff --git a/include/recorded_battle.h b/include/recorded_battle.h
index 3a6a8129a..5ae4ac12d 100644
--- a/include/recorded_battle.h
+++ b/include/recorded_battle.h
@@ -22,9 +22,9 @@ u8 GetRecordedBattleFrontierFacility(void);
 u8 GetRecordedBattleFronterBrainSymbol(void);
 void RecordedBattle_SaveParties(void);
 u8 GetActiveBattlerLinkPlayerGender(void);
-void sub_8185F84(void);
-void sub_8185F90(u16 arg0);
-u8 sub_8185FAC(void);
+void RecordedBattle_ClearFrontierPassFlag(void);
+void RecordedBattle_SetFrontierPassFlagFromHword(u16 arg0);
+u8 RecordedBattle_GetFrontierPassFlag(void);
 u8 GetBattleSceneInRecordedBattle(void);
 u8 GetTextSpeedInRecordedBattle(void);
 void RecordedBattle_CopyBattlerMoves(void);