help_system_812B1E0: through sub_812B4D8

include/constants/flags.h

@@ -68,6 +68,7 @@
 #define FLAG_0x82F 0x82F
 #define FLAG_0x830 0x830
 #define FLAG_0x834 0x834
+#define FLAG_0x83C 0x83C
 #define FLAG_0x83E 0x83E
 #define FLAG_0x841 0x841
 #define FLAG_0x844 0x844

include/help_system.h

@@ -3,11 +3,38 @@
 
 #include "global.h"
 
-extern bool8 gUnknown_3005ECC;
+struct HelpSystemStruct_203F1AC
+{
 
-void sub_812B1E0(u16);
+};
+
+struct HelpSystemStruct_203F190_sub
+{
+    struct HelpSystemStruct_203F1AC * field_00;
+    u16 field_04;
+    u16 field_06;
+    u8 field_08;
+    u8 field_09;
+
+};
+
+struct HelpSystemStruct_203F190
+{
+    struct HelpSystemStruct_203F190_sub field_00;
+    u8 filler_0C[0x10];
+};
+
+extern struct HelpSystemStruct_203F190 gUnknown_203F190;
+extern struct HelpSystemStruct_203F1AC gUnknown_203F1AC;
+extern bool8 gUnknown_3005ECC;
+extern u8 gUnknown_203F175;
+
+void sub_812B1E0(u8);
 void sub_812B484(void);
 void HelpSystem_SetSomeVariable2(u8);
 void sub_812B478(void);
+void sub_813C64C(struct HelpSystemStruct_203F190_sub *, u8, u8);
+void sub_813BDA4(u8);
+void sub_813BD5C(u8);
 
 #endif //GUARD_HELP_SYSTEM_H

include/overworld.h

@@ -111,5 +111,6 @@ void Overworld_FadeOutMapMusic(void);
 void sub_805671C(void);
 void sub_8055DC4(void);
 bool8 sub_8055FC4(void);
+bool8 is_light_level_8_or_9(u8 mapType);
 
 #endif //GUARD_ROM4_H

include/save_location.h

@@ -7,5 +7,6 @@ bool32 sub_81AFCEC(void);
 void TrySetMapSaveWarpStatus(void);
 void sub_81AFDA0(void);
 void sub_81AFDD0(void);
+bool32 IsCurMapPokeCenter(void);
 
 #endif // GUARD_SAVE_LOCATION_H