diff --git a/asm/region_map.s b/asm/region_map.s
index f144c39a21..3141d9a4f3 100644
--- a/asm/region_map.s
+++ b/asm/region_map.s
@@ -5,78 +5,6 @@
 
 	.text
 
-	thumb_func_start sub_8123030
-sub_8123030: @ 8123030
-	push {lr}
-	adds r2, r0, 0
-	lsls r2, 16
-	lsrs r2, 16
-	movs r0, 0xE0
-	lsls r0, 2
-	lsls r1, 24
-	lsrs r1, 24
-	bl BlendPalettes
-	ldr r0, =gPlttBufferFaded + 0xE0
-	ldr r1, =gPlttBufferUnfaded + 0xE0
-	movs r2, 0x30
-	bl CpuSet
-	pop {r0}
-	bx r0
-	.pool
-	thumb_func_end sub_8123030
-
-	thumb_func_start sub_812305C
-sub_812305C: @ 812305C
-	push {r4,lr}
-	ldr r4, =gUnknown_0203A144
-	ldr r0, [r4]
-	ldr r0, [r0, 0x1C]
-	cmp r0, 0
-	beq _08123080
-	bl DestroySprite
-	ldr r0, [r4]
-	adds r0, 0x58
-	ldrh r0, [r0]
-	bl FreeSpriteTilesByTag
-	ldr r0, [r4]
-	adds r0, 0x5A
-	ldrh r0, [r0]
-	bl FreeSpritePaletteByTag
-_08123080:
-	ldr r0, [r4]
-	ldr r0, [r0, 0x20]
-	cmp r0, 0
-	beq _081230A0
-	bl DestroySprite
-	ldr r0, [r4]
-	adds r0, 0x70
-	ldrh r0, [r0]
-	bl FreeSpriteTilesByTag
-	ldr r0, [r4]
-	adds r0, 0x72
-	ldrh r0, [r0]
-	bl FreeSpritePaletteByTag
-_081230A0:
-	pop {r4}
-	pop {r0}
-	bx r0
-	.pool
-	thumb_func_end sub_812305C
-
-	thumb_func_start sub_81230AC
-sub_81230AC: @ 81230AC
-	push {lr}
-	ldr r0, =gUnknown_0203A144
-	ldr r0, [r0]
-	ldr r0, [r0, 0x18]
-	bl _call_via_r0
-	lsls r0, 24
-	lsrs r0, 24
-	pop {r1}
-	bx r1
-	.pool
-	thumb_func_end sub_81230AC
-
 	thumb_func_start sub_81230C4
 sub_81230C4: @ 81230C4
 	push {r4,lr}
diff --git a/include/region_map.h b/include/region_map.h
index 316b6f3a11..dfcfbc9138 100644
--- a/include/region_map.h
+++ b/include/region_map.h
@@ -231,18 +231,21 @@ struct RegionMap {
     /*0x003*/ u8 unk_003;
     /*0x004*/ u8 mapSecName[0x14];
     /*0x018*/ u8 (*inputCallback)(void);
-    /*0x01c*/ u32 unk_01c;
-    /*0x020*/ u32 unk_020;
+    /*0x01c*/ struct Sprite *unk_01c;
+    /*0x020*/ struct Sprite *unk_020;
     /*0x024*/ u8 filler_024[0x30];
     /*0x054*/ u16 unk_054;
     /*0x056*/ u16 unk_056;
-    /*0x058*/ u8 filler_058[0x4];
+    /*0x058*/ u16 unk_058;
+    /*0x05a*/ u16 unk_05a;
     /*0x05c*/ s16 unk_05c;
     /*0x05e*/ s16 unk_05e;
     /*0x060*/ u8 filler_060[0x4];
     /*0x064*/ u16 unk_064;
     /*0x066*/ u16 unk_066;
-    /*0x068*/ u8 filler_068[0xc];
+    /*0x068*/ u8 filler_068[0x8];
+    /*0x070*/ u16 unk_070;
+    /*0x072*/ u16 unk_072;
     /*0x074*/ u16 unk_074;
     /*0x076*/ u16 unk_076;
     /*0x078*/ u8 unk_078;
diff --git a/src/region_map.c b/src/region_map.c
index dc53f1ec6b..714aa51ee7 100644
--- a/src/region_map.c
+++ b/src/region_map.c
@@ -140,8 +140,8 @@ bool8 sub_8122DB0(void)
         case 7:
             sub_8123FB0();
             sub_81237B4();
-            gUnknown_0203A144->unk_01c = 0;
-            gUnknown_0203A144->unk_020 = 0;
+            gUnknown_0203A144->unk_01c = NULL;
+            gUnknown_0203A144->unk_020 = NULL;
             gUnknown_0203A144->unk_07a = 0;
             gUnknown_0203A144->unk_07e = 0;
             if (gUnknown_0203A144->unk_083)
@@ -160,3 +160,30 @@ bool8 sub_8122DB0(void)
     gUnknown_0203A144->unk_079 ++;
     return TRUE;
 }
+
+void sub_8123030(u16 a0, u32 a1)
+{
+    BlendPalettes(0x380, a1, a0);
+    CpuCopy16(gPlttBufferFaded + 0x70, gPlttBufferUnfaded + 0x70, 0x60);
+}
+
+void sub_812305C(void)
+{
+    if (gUnknown_0203A144->unk_01c != NULL)
+    {
+        DestroySprite(gUnknown_0203A144->unk_01c);
+        FreeSpriteTilesByTag(gUnknown_0203A144->unk_058);
+        FreeSpritePaletteByTag(gUnknown_0203A144->unk_05a);
+    }
+    if (gUnknown_0203A144->unk_020 != NULL)
+    {
+        DestroySprite(gUnknown_0203A144->unk_020);
+        FreeSpriteTilesByTag(gUnknown_0203A144->unk_070);
+        FreeSpritePaletteByTag(gUnknown_0203A144->unk_072);
+    }
+}
+
+u8 sub_81230AC(void)
+{
+    return gUnknown_0203A144->inputCallback();
+}