through sub_8124668

asm/region_map.s

@@ -5,63 +5,6 @@
 
 	.text
 
-	thumb_func_start sub_8124630
-sub_8124630: @ 8124630
-	push {r4,r5,lr}
-	ldr r5, [sp, 0xC]
-	lsls r0, 16
-	ldr r4, =gRegionMapEntries
-	lsrs r0, 13
-	adds r0, r4
-	ldrb r4, [r0]
-	strh r4, [r1]
-	ldrb r1, [r0, 0x1]
-	strh r1, [r2]
-	ldrb r1, [r0, 0x2]
-	strh r1, [r3]
-	ldrb r0, [r0, 0x3]
-	strh r0, [r5]
-	pop {r4,r5}
-	pop {r0}
-	bx r0
-	.pool
-	thumb_func_end sub_8124630
-
-	thumb_func_start sub_8124658
-sub_8124658: @ 8124658
-	ldr r0, =gRegionMap
-	ldr r0, [r0]
-	adds r0, 0x78
-	ldrb r0, [r0]
-	bx lr
-	.pool
-	thumb_func_end sub_8124658
-
-	thumb_func_start sub_8124668
-sub_8124668: @ 8124668
-	push {lr}
-	lsls r0, 24
-	lsrs r2, r0, 24
-	movs r1, 0
-	ldr r3, =gUnknown_085A1C34
-_08124672:
-	adds r0, r1, r3
-	ldrb r0, [r0]
-	cmp r2, r0
-	bne _08124684
-	movs r0, 0x1
-	b _0812468C
-	.pool
-_08124684:
-	adds r1, 0x1
-	cmp r1, 0x2
-	bls _08124672
-	movs r0, 0
-_0812468C:
-	pop {r1}
-	bx r1
-	thumb_func_end sub_8124668
-
 	thumb_func_start sub_8124690
 sub_8124690: @ 8124690
 	push {r4,lr}

include/region_map.h

@@ -309,6 +309,6 @@ u16 GetRegionMapSectionIdAt(u16 x, u16 y);
 void CreateRegionMapPlayerIcon(u16 x, u16 y);
 void CreateRegionMapCursor(u16 tileTag, u16 paletteTag);
 u8 *GetMapName(u8 *, u16, u16);
-bool32 sub_8124668(u16 mapSecId);
+bool32 sub_8124668(u8 mapSecId);
 
 #endif //GUARD_REGION_MAP_H

src/region_map.c

@@ -32,8 +32,10 @@ struct UnkStruct_0203A148 {
 
 struct RegionMapLocation
 {
-    u8 x, y;
-    u8 width, height;
+    u8 x;
+    u8 y;
+    u8 width;
+    u8 height;
     const u8 *name;
 };
 
@@ -89,6 +91,7 @@ extern const struct SpritePalette gUnknown_085A1C00;
 extern const struct SpriteTemplate gUnknown_085A1C08;
 extern const struct OamData gUnknown_085A1C20;
 extern const union AnimCmd *const gUnknown_085A1C30[];
+extern const u8 gUnknown_085A1C34[];
 
 // .text
 
@@ -1234,3 +1237,30 @@ u8 *sub_8124610(u8 *dest, u16 mapSecId)
         return sub_81245DC(dest, mapSecId);
     }
 }
+
+void sub_8124630(u16 mapSecId, u16 *x, u16 *y, u16 *width, u16 *height)
+{
+    *x = gRegionMapEntries[mapSecId].x;
+    *y = gRegionMapEntries[mapSecId].y;
+    *width = gRegionMapEntries[mapSecId].width;
+    *height = gRegionMapEntries[mapSecId].height;
+}
+
+bool8 sub_8124658(void)
+{
+    return gRegionMap->zoomed;
+}
+
+bool32 sub_8124668(u8 mapSecId)
+{
+    u32 i;
+
+    for (i = 0; i < 3; i ++)
+    {
+        if (mapSecId == gUnknown_085A1C34[i])
+        {
+            return TRUE;
+        }
+    }
+    return FALSE;
+}