decomp decomp decomp

asm/code.s

@@ -2044,35 +2044,4 @@ _08001324: .4byte gUnknown_203B460
 _08001328: .4byte gUnknown_203B45C
 	thumb_func_end sub_80012C0
 
-	thumb_func_start NDS_LoadOverlay_GroundMain
-NDS_LoadOverlay_GroundMain:
-	bx lr
-	thumb_func_end NDS_LoadOverlay_GroundMain
-
-	thumb_func_start nullsub_2
-nullsub_2:
-	bx lr
-	thumb_func_end nullsub_2
-
-	thumb_func_start xxx_script_related_8001334
-xxx_script_related_8001334:
-	push {lr}
-	bl xxx_script_related_8098468
-	pop {r1}
-	bx r1
-	thumb_func_end xxx_script_related_8001334
-
-	thumb_func_start xxx_dungeon_8001340
-xxx_dungeon_8001340:
-	push {r4,lr}
-	adds r4, r0, 0
-	bl nullsub_2
-	adds r0, r4, 0
-	bl xxx_dungeon_8042F6C
-	bl NDS_LoadOverlay_GroundMain
-	pop {r4}
-	pop {r0}
-	bx r0
-	thumb_func_end xxx_dungeon_8001340
-
 	.align 2, 0 @ Don't pad with nop.

asm/code_800AAA0.s

@@ -5,15 +5,6 @@
 
 	.text
 
-	thumb_func_start sub_800AAA8
-sub_800AAA8:
-	push {lr}
-	ldr r2, [r2, 0x4]
-	bl sub_800AAB4
-	pop {r1}
-	bx r1
-	thumb_func_end sub_800AAA8
-
 	thumb_func_start sub_800AAB4
 sub_800AAB4:
 	push {r4-r7,lr}

include/file_system.h

@@ -26,6 +26,12 @@ struct SiroArchive
     u8 *data;
 };
 
+struct UnkFileStruct1
+{
+    /* 0x0 */ u32 unk0;
+    /* 0x4 */ u32 unk4;
+};
+
 struct OpenedFile *OpenFile(const char *filename, const struct FileArchive *arc);
 u8 *GetFileDataPtr(struct OpenedFile *openedFile, int unused);
 struct OpenedFile *OpenFileAndGetFileDataPtr(const char *filename, const struct FileArchive *arc);

src/code.c

@@ -1,4 +1,31 @@
 #include "global.h"
+
+extern void xxx_dungeon_8042F6C(u32 r0);
+extern void NDS_LoadOverlay_GroundMain();
+extern u32 xxx_script_related_8098468();
+
+void NDS_LoadOverlay_GroundMain()
+{
+
+}
+
+void nullsub_2(u32 r0)
+{
+
+}
+
+u32 xxx_script_related_8001334()
+{
+    return xxx_script_related_8098468();
+}
+
+void xxx_dungeon_8001340(u32 r0)
+{
+    nullsub_2(r0);
+    xxx_dungeon_8042F6C(r0);
+    NDS_LoadOverlay_GroundMain();
+}
+
 void nullsub_3(void)
 {
 

src/file_system.c

@@ -7,6 +7,7 @@ extern u32 gFileCacheCursorPosition;
 extern u32 gUnknown_202D2A4;
 
 extern int sprintf(char *, const char *, ...);
+extern u32 sub_800AAB4(u32 r0, u32 r1, u32 r2);
 
 u8 *GetSiroPtr(struct OpenedFile *);
 void NDS_DecompressRLE(void *);
@@ -181,3 +182,8 @@ void nullsub_16(void)
 void nullsub_175(void)
 {
 }
+
+u32 sub_800AAA8(u32 r0, u32 r1, struct UnkFileStruct1 *r2)
+{
+    return sub_800AAB4(r0, r1, r2->unk4);
+}