through sub_80C1920

3 files changed, 184 insertions, 616 deletions

diff --git a/asm/region_map.s b/asm/region_map.s
index 55ddb5f9d..ceb2213d1 100644
--- a/asm/region_map.s
+++ b/asm/region_map.s
@@ -5,614 +5,6 @@
 
 	.text
 
-	thumb_func_start sub_80C1478
-sub_80C1478: @ 80C1478
-	push {r4-r7,lr}
-	mov r7, r8
-	push {r7}
-	sub sp, 0x8
-	movs r6, 0
-	ldr r0, _080C1574 @ =gUnknown_20399D8
-	mov r8, r0
-	ldr r5, [r0]
-	ldr r1, _080C1578 @ =0x00001cd4
-	adds r0, r5, r1
-	movs r1, 0x48
-	strh r1, [r0]
-	ldr r4, _080C157C @ =0xffff0000
-	ldr r0, [sp]
-	ands r0, r4
-	orrs r0, r1
-	str r0, [sp]
-	ldr r3, _080C1580 @ =0x00001cce
-	adds r2, r5, r3
-	ldr r7, _080C1584 @ =0x00001cca
-	adds r0, r5, r7
-	ldrb r1, [r0]
-	lsls r1, 2
-	ldrh r2, [r2]
-	adds r1, r2
-	lsls r1, 3
-	ldr r0, _080C1588 @ =0x00001cd6
-	adds r3, r5, r0
-	strh r1, [r3]
-	lsls r1, 16
-	ldr r2, _080C158C @ =0x0000ffff
-	ldr r0, [sp]
-	ands r0, r2
-	orrs r0, r1
-	str r0, [sp]
-	ldr r1, _080C1590 @ =0x00001cd8
-	adds r0, r5, r1
-	movs r1, 0xA8
-	strh r1, [r0]
-	ldr r0, [sp, 0x4]
-	ands r0, r4
-	orrs r0, r1
-	str r0, [sp, 0x4]
-	ldrh r1, [r3]
-	adds r1, 0x20
-	ldr r3, _080C1594 @ =0x00001cda
-	adds r0, r5, r3
-	strh r1, [r0]
-	ands r1, r2
-	lsls r1, 16
-	ldr r0, [sp, 0x4]
-	ands r0, r2
-	orrs r0, r1
-	str r0, [sp, 0x4]
-	ldr r0, _080C1598 @ =gMain
-	ldrh r1, [r0, 0x2E]
-	movs r0, 0x40
-	ands r0, r1
-	cmp r0, 0
-	beq _080C150E
-	adds r1, r7, 0
-	adds r0, r5, r1
-	ldrb r0, [r0]
-	cmp r0, 0
-	beq _080C150E
-	movs r0, 0xF5
-	bl PlaySE
-	mov r2, r8
-	ldr r1, [r2]
-	adds r1, r7
-	ldrb r0, [r1]
-	subs r0, 0x1
-	strb r0, [r1]
-	movs r6, 0x1
-_080C150E:
-	ldr r0, _080C1598 @ =gMain
-	ldrh r1, [r0, 0x2E]
-	movs r0, 0x80
-	ands r0, r1
-	cmp r0, 0
-	beq _080C1542
-	ldr r4, _080C1574 @ =gUnknown_20399D8
-	ldr r0, [r4]
-	ldr r3, _080C1584 @ =0x00001cca
-	adds r1, r0, r3
-	ldr r2, _080C159C @ =0x00001ccc
-	adds r0, r2
-	ldrb r1, [r1]
-	ldrb r0, [r0]
-	cmp r1, r0
-	bcs _080C1542
-	movs r0, 0xF5
-	bl PlaySE
-	ldr r1, [r4]
-	ldr r3, _080C1584 @ =0x00001cca
-	adds r1, r3
-	ldrb r0, [r1]
-	adds r0, 0x1
-	strb r0, [r1]
-	movs r6, 0x1
-_080C1542:
-	ldr r2, _080C1598 @ =gMain
-	ldrh r1, [r2, 0x2E]
-	movs r0, 0x1
-	ands r0, r1
-	ldr r4, _080C1574 @ =gUnknown_20399D8
-	cmp r0, 0
-	beq _080C15A8
-	ldr r0, [r4]
-	ldr r1, _080C15A0 @ =0x00001cdc
-	adds r0, r1
-	ldrh r0, [r0]
-	cmp r0, 0x6
-	bne _080C15A8
-	movs r0, 0xC7
-	bl PlaySE
-	ldr r0, [r4]
-	ldr r2, _080C1584 @ =0x00001cca
-	adds r1, r0, r2
-	ldrb r1, [r1]
-	ldr r3, _080C15A4 @ =0x00001ccb
-	adds r0, r3
-	strb r1, [r0]
-	movs r0, 0x1
-	b _080C16AC
-	.align 2, 0
-_080C1574: .4byte gUnknown_20399D8
-_080C1578: .4byte 0x00001cd4
-_080C157C: .4byte 0xffff0000
-_080C1580: .4byte 0x00001cce
-_080C1584: .4byte 0x00001cca
-_080C1588: .4byte 0x00001cd6
-_080C158C: .4byte 0x0000ffff
-_080C1590: .4byte 0x00001cd8
-_080C1594: .4byte 0x00001cda
-_080C1598: .4byte gMain
-_080C159C: .4byte 0x00001ccc
-_080C15A0: .4byte 0x00001cdc
-_080C15A4: .4byte 0x00001ccb
-_080C15A8:
-	ldrh r1, [r2, 0x2E]
-	movs r0, 0x2
-	ands r0, r1
-	cmp r0, 0
-	beq _080C1604
-	ldr r0, [r4]
-	ldr r2, _080C15FC @ =0x00001ccb
-	adds r1, r0, r2
-	ldrb r1, [r1]
-	subs r2, 0x1
-	adds r0, r2
-	strb r1, [r0]
-	ldr r3, _080C1600 @ =gUnknown_20399D4
-	ldr r0, [r4]
-	adds r0, r2
-	ldrb r0, [r0]
-	lsls r1, r0, 2
-	adds r1, r0
-	lsls r0, r1, 4
-	subs r0, r1
-	lsls r0, 4
-	adds r0, 0x26
-	ldr r1, [r3]
-	adds r1, r0
-	movs r0, 0
-	bl sub_80C0CC8
-	movs r0, 0
-	bl CopyBgTilemapBufferToVram
-	movs r0, 0xFF
-	movs r1, 0x19
-	movs r2, 0x1
-	bl sub_80C48BC
-	movs r0, 0xFF
-	movs r1, 0x19
-	movs r2, 0x1
-	bl sub_80C4960
-	movs r0, 0x1
-	b _080C16AC
-	.align 2, 0
-_080C15FC: .4byte 0x00001ccb
-_080C1600: .4byte gUnknown_20399D4
-_080C1604:
-	cmp r6, 0
-	beq _080C166C
-	ldr r2, _080C168C @ =gUnknown_20399D4
-	ldr r5, _080C1690 @ =gUnknown_20399D8
-	ldr r0, [r5]
-	ldr r4, _080C1694 @ =0x00001cca
-	adds r0, r4
-	ldrb r0, [r0]
-	lsls r1, r0, 2
-	adds r1, r0
-	lsls r0, r1, 4
-	subs r0, r1
-	lsls r0, 4
-	adds r0, 0x26
-	ldr r1, [r2]
-	adds r1, r0
-	movs r0, 0
-	bl sub_80C0CC8
-	ldr r0, _080C1698 @ =gUnknown_8418EB0
-	bl sub_80C4E74
-	movs r0, 0
-	bl CopyBgTilemapBufferToVram
-	movs r0, 0x3
-	bl CopyBgTilemapBufferToVram
-	movs r0, 0xFF
-	movs r1, 0x19
-	movs r2, 0x1
-	bl sub_80C48BC
-	movs r0, 0xFF
-	movs r1, 0x19
-	movs r2, 0x1
-	bl sub_80C4960
-	ldr r0, [r5]
-	adds r0, r4
-	ldrb r0, [r0]
-	movs r1, 0x19
-	movs r2, 0
-	bl sub_80C48BC
-	ldr r0, [r5]
-	adds r0, r4
-	ldrb r0, [r0]
-	movs r1, 0x19
-	movs r2, 0
-	bl sub_80C4960
-_080C166C:
-	ldr r0, _080C1690 @ =gUnknown_20399D8
-	ldr r4, [r0]
-	ldr r3, _080C1694 @ =0x00001cca
-	adds r4, r3
-	bl sub_80C0E34
-	ldrb r1, [r4]
-	lsls r0, 24
-	lsrs r0, 24
-	cmp r1, r0
-	beq _080C169C
-	movs r0, 0x1
-	bl sub_80C4324
-	b _080C16A2
-	.align 2, 0
-_080C168C: .4byte gUnknown_20399D4
-_080C1690: .4byte gUnknown_20399D8
-_080C1694: .4byte 0x00001cca
-_080C1698: .4byte gUnknown_8418EB0
-_080C169C:
-	movs r0, 0
-	bl sub_80C4324
-_080C16A2:
-	movs r0, 0x1
-	mov r1, sp
-	bl sub_80C4CF0
-	movs r0, 0
-_080C16AC:
-	add sp, 0x8
-	pop {r3}
-	mov r8, r3
-	pop {r4-r7}
-	pop {r1}
-	bx r1
-	thumb_func_end sub_80C1478
-
-	thumb_func_start sub_80C16B8
-sub_80C16B8: @ 80C16B8
-	ldr r1, _080C16C8 @ =gUnknown_20399D8
-	ldr r1, [r1]
-	ldr r2, _080C16CC @ =0x00001cd6
-	adds r1, r2
-	ldrh r1, [r1]
-	adds r1, 0x10
-	strh r1, [r0, 0x22]
-	bx lr
-	.align 2, 0
-_080C16C8: .4byte gUnknown_20399D8
-_080C16CC: .4byte 0x00001cd6
-	thumb_func_end sub_80C16B8
-
-	thumb_func_start sub_80C16D0
-sub_80C16D0: @ 80C16D0
-	push {lr}
-	ldr r0, _080C16EC @ =gUnknown_20399D8
-	ldr r1, [r0]
-	ldr r2, _080C16F0 @ =0x00001cc9
-	adds r0, r1, r2
-	ldrb r0, [r0]
-	cmp r0, 0x1
-	beq _080C1708
-	cmp r0, 0x1
-	bgt _080C16F4
-	cmp r0, 0
-	beq _080C16FA
-	b _080C1732
-	.align 2, 0
-_080C16EC: .4byte gUnknown_20399D8
-_080C16F0: .4byte 0x00001cc9
-_080C16F4:
-	cmp r0, 0x2
-	beq _080C171C
-	b _080C1732
-_080C16FA:
-	ldr r0, _080C1700 @ =gUnknown_83EF3C4
-	ldr r2, _080C1704 @ =0x000014b0
-	b _080C170C
-	.align 2, 0
-_080C1700: .4byte gUnknown_83EF3C4
-_080C1704: .4byte 0x000014b0
-_080C1708:
-	ldr r0, _080C1714 @ =gUnknown_83EF450
-	ldr r2, _080C1718 @ =0x000018bc
-_080C170C:
-	adds r1, r2
-	bl LZ77UnCompWram
-	b _080C1736
-	.align 2, 0
-_080C1714: .4byte gUnknown_83EF450
-_080C1718: .4byte 0x000018bc
-_080C171C:
-	movs r0, 0
-	movs r1, 0x2
-	movs r2, 0x2
-	bl sub_80C1754
-	movs r0, 0x1
-	movs r1, 0x3
-	movs r2, 0x3
-	bl sub_80C1754
-	b _080C1736
-_080C1732:
-	movs r0, 0x1
-	b _080C1746
-_080C1736:
-	ldr r0, _080C174C @ =gUnknown_20399D8
-	ldr r1, [r0]
-	ldr r0, _080C1750 @ =0x00001cc9
-	adds r1, r0
-	ldrb r0, [r1]
-	adds r0, 0x1
-	strb r0, [r1]
-	movs r0, 0
-_080C1746:
-	pop {r1}
-	bx r1
-	.align 2, 0
-_080C174C: .4byte gUnknown_20399D8
-_080C1750: .4byte 0x00001cc9
-	thumb_func_end sub_80C16D0
-
-	thumb_func_start sub_80C1754
-sub_80C1754: @ 80C1754
-	push {lr}
-	lsls r0, 24
-	lsrs r0, 24
-	lsls r1, 16
-	lsrs r1, 16
-	lsls r2, 16
-	lsrs r2, 16
-	bl sub_80C176C
-	pop {r0}
-	bx r0
-	thumb_func_end sub_80C1754
-
-	thumb_func_start sub_80C176C
-sub_80C176C: @ 80C176C
-	push {r4-r7,lr}
-	mov r7, r9
-	mov r6, r8
-	push {r6,r7}
-	sub sp, 0x28
-	lsls r0, 24
-	lsrs r0, 24
-	lsls r1, 16
-	lsls r2, 16
-	lsrs r2, 16
-	ldr r3, _080C1848 @ =gUnknown_20399D8
-	mov r8, r3
-	lsls r5, r0, 6
-	adds r5, r0
-	lsls r5, 2
-	subs r5, r0
-	lsls r5, 2
-	ldr r4, _080C184C @ =0x000014b0
-	adds r0, r5, r4
-	ldr r3, [r3]
-	adds r0, r3, r0
-	str r0, [sp, 0x18]
-	movs r4, 0x80
-	lsls r4, 3
-	add r0, sp, 0x18
-	lsrs r6, r1, 16
-	mov r9, r6
-	orrs r1, r4
-	str r1, [r0, 0x4]
-	ldr r1, _080C1850 @ =gUnknown_83EF384
-	str r1, [sp, 0x20]
-	ldr r4, _080C1854 @ =0xffff0000
-	add r6, sp, 0x20
-	ldr r1, [r6, 0x4]
-	ands r1, r4
-	orrs r1, r2
-	str r1, [r6, 0x4]
-	mov r1, sp
-	movs r4, 0
-	mov r7, r9
-	strh r7, [r1]
-	strh r2, [r1, 0x2]
-	ldr r1, _080C1858 @ =gUnknown_83F1B24
-	str r1, [sp, 0x4]
-	ldr r1, _080C185C @ =gUnknown_83F1B38
-	str r1, [sp, 0x8]
-	str r4, [sp, 0xC]
-	ldr r1, _080C1860 @ =gDummySpriteAffineAnimTable
-	str r1, [sp, 0x10]
-	ldr r1, _080C1864 @ =sub_80C16B8
-	str r1, [sp, 0x14]
-	adds r3, r5
-	ldr r4, _080C1868 @ =0x000018b4
-	adds r1, r3, r4
-	strh r7, [r1]
-	ldr r1, _080C186C @ =0x000018b6
-	adds r3, r1
-	strh r2, [r3]
-	bl LoadSpriteSheet
-	adds r0, r6, 0
-	bl LoadSpritePalette
-	mov r3, r8
-	ldr r2, [r3]
-	adds r0, r2, r5
-	adds r4, 0x4
-	adds r0, r4
-	movs r6, 0
-	ldrsh r1, [r0, r6]
-	ldr r7, _080C1870 @ =0x00001cce
-	adds r0, r2, r7
-	ldr r3, _080C1874 @ =0x00001cca
-	adds r2, r3
-	ldrb r2, [r2]
-	lsls r2, 2
-	ldrh r0, [r0]
-	adds r2, r0
-	lsls r2, 19
-	asrs r2, 16
-	mov r0, sp
-	movs r3, 0
-	bl CreateSprite
-	lsls r0, 24
-	lsrs r0, 24
-	mov r4, r8
-	ldr r2, [r4]
-	ldr r6, _080C1878 @ =0x000018b0
-	adds r2, r6
-	adds r2, r5
-	lsls r1, r0, 4
-	adds r1, r0
-	lsls r1, 2
-	ldr r0, _080C187C @ =gSprites
-	adds r1, r0
-	str r1, [r2]
-	adds r1, 0x3E
-	ldrb r2, [r1]
-	movs r0, 0x5
-	negs r0, r0
-	ands r0, r2
-	strb r0, [r1]
-	add sp, 0x28
-	pop {r3,r4}
-	mov r8, r3
-	mov r9, r4
-	pop {r4-r7}
-	pop {r0}
-	bx r0
-	.align 2, 0
-_080C1848: .4byte gUnknown_20399D8
-_080C184C: .4byte 0x000014b0
-_080C1850: .4byte gUnknown_83EF384
-_080C1854: .4byte 0xffff0000
-_080C1858: .4byte gUnknown_83F1B24
-_080C185C: .4byte gUnknown_83F1B38
-_080C1860: .4byte gDummySpriteAffineAnimTable
-_080C1864: .4byte sub_80C16B8
-_080C1868: .4byte 0x000018b4
-_080C186C: .4byte 0x000018b6
-_080C1870: .4byte 0x00001cce
-_080C1874: .4byte 0x00001cca
-_080C1878: .4byte 0x000018b0
-_080C187C: .4byte gSprites
-	thumb_func_end sub_80C176C
-
-	thumb_func_start sub_80C1880
-sub_80C1880: @ 80C1880
-	push {r4-r6,lr}
-	movs r5, 0
-	ldr r6, _080C18D0 @ =gUnknown_20399D8
-_080C1886:
-	ldr r1, [r6]
-	lsls r0, r5, 6
-	adds r0, r5
-	lsls r0, 2
-	subs r0, r5
-	lsls r4, r0, 2
-	ldr r0, _080C18D4 @ =0x000018b0
-	adds r1, r0
-	adds r1, r4
-	ldr r0, [r1]
-	cmp r0, 0
-	beq _080C18BE
-	bl DestroySprite
-	ldr r0, [r6]
-	adds r0, r4
-	ldr r1, _080C18D8 @ =0x000018b4
-	adds r0, r1
-	ldrh r0, [r0]
-	bl FreeSpriteTilesByTag
-	ldr r0, [r6]
-	adds r0, r4
-	ldr r1, _080C18DC @ =0x000018b6
-	adds r0, r1
-	ldrh r0, [r0]
-	bl FreeSpritePaletteByTag
-_080C18BE:
-	adds r0, r5, 0x1
-	lsls r0, 24
-	lsrs r5, r0, 24
-	cmp r5, 0x1
-	bls _080C1886
-	pop {r4-r6}
-	pop {r0}
-	bx r0
-	.align 2, 0
-_080C18D0: .4byte gUnknown_20399D8
-_080C18D4: .4byte 0x000018b0
-_080C18D8: .4byte 0x000018b4
-_080C18DC: .4byte 0x000018b6
-	thumb_func_end sub_80C1880
-
-	thumb_func_start sub_80C18E0
-sub_80C18E0: @ 80C18E0
-	push {r4,r5,lr}
-	lsls r0, 16
-	lsrs r4, r0, 16
-	movs r2, 0
-	ldr r3, _080C1904 @ =gUnknown_83F1B3C
-	adds r5, r3, 0
-	adds r5, 0x8
-_080C18EE:
-	lsls r0, r2, 1
-	adds r0, r2
-	lsls r1, r0, 2
-	adds r0, r1, r3
-	ldrh r0, [r0]
-	cmp r0, r4
-	bne _080C1908
-	adds r0, r1, r5
-	ldr r0, [r0]
-	b _080C1914
-	.align 2, 0
-_080C1904: .4byte gUnknown_83F1B3C
-_080C1908:
-	adds r0, r2, 0x1
-	lsls r0, 24
-	lsrs r2, r0, 24
-	cmp r2, 0x12
-	bls _080C18EE
-	ldr r0, _080C191C @ =gUnknown_8418EC3
-_080C1914:
-	pop {r4,r5}
-	pop {r1}
-	bx r1
-	.align 2, 0
-_080C191C: .4byte gUnknown_8418EC3
-	thumb_func_end sub_80C18E0
-
-	thumb_func_start sub_80C1920
-sub_80C1920: @ 80C1920
-	push {r4,r5,lr}
-	lsls r0, 16
-	lsrs r4, r0, 16
-	movs r2, 0
-	ldr r3, _080C1940 @ =gUnknown_83F1B3C
-	adds r5, r3, 0x4
-_080C192C:
-	lsls r0, r2, 1
-	adds r0, r2
-	lsls r1, r0, 2
-	adds r0, r1, r3
-	ldrh r0, [r0]
-	cmp r0, r4
-	bne _080C1944
-	adds r0, r1, r5
-	ldr r0, [r0]
-	b _080C1950
-	.align 2, 0
-_080C1940: .4byte gUnknown_83F1B3C
-_080C1944:
-	adds r0, r2, 0x1
-	lsls r0, 24
-	lsrs r2, r0, 24
-	cmp r2, 0x12
-	bls _080C192C
-	ldr r0, _080C1958 @ =gUnknown_8418EC3
-_080C1950:
-	pop {r4,r5}
-	pop {r1}
-	bx r1
-	.align 2, 0
-_080C1958: .4byte gUnknown_8418EC3
-	thumb_func_end sub_80C1920
-
 	thumb_func_start sub_80C195C
 sub_80C195C: @ 80C195C
 	push {r4-r6,lr}
diff --git a/include/strings.h b/include/strings.h
index 9895ffbf8..56aa2ec1a 100644
--- a/include/strings.h
+++ b/include/strings.h
@@ -1011,5 +1011,6 @@ extern const u8 gUnknown_8418E95[];
 extern const u8 gUnknown_8418EA7[];
 extern const u8 gUnknown_8418EB0[];
 extern const u8 gUnknown_8418EBC[];
+extern const u8 gUnknown_8418EC3[];
 
 #endif //GUARD_STRINGS_H
diff --git a/src/region_map.c b/src/region_map.c
index 8394b59d6..f654ae0cf 100644
--- a/src/region_map.c
+++ b/src/region_map.c
@@ -43,15 +43,20 @@ struct UnkStruct_20399D4
     MainCallback field_47BC;
 }; // size = 0x47C0
 
+struct UnkStruct_20399D8_14B0
+{
+    u8 field_000[0x400];
+    struct Sprite * field_400;
+    u16 field_404;
+    u16 field_406;
+    s16 field_408;
+};
+
 struct UnkStruct_20399D8
 {
     u8 field_0000[0x1000];
     u16 field_1000[0x258];
-    u8 filler_14B0[0x408];
-    u16 field_18B8;
-    u8 filler_18BA[0x40A];
-    u16 field_1CC4;
-    u8 filler_1CC6[0x2];
+    struct UnkStruct_20399D8_14B0 field_14B0[2];
     u8 field_1CC8;
     u8 field_1CC9;
     u8 field_1CCA;
@@ -72,6 +77,13 @@ struct UnkStruct_80C4CF0
     u16 v6;
 };
 
+struct UnkStruct_83F1B3C
+{
+    u16 field_0;
+    const u8 *field_4;
+    const u8 *field_8;
+};
+
 EWRAM_DATA struct UnkStruct_20399D4 * gUnknown_20399D4 = NULL;
 EWRAM_DATA struct UnkStruct_20399D8 * gUnknown_20399D8 = NULL;
 EWRAM_DATA void * gUnknown_20399DC = NULL;
@@ -112,6 +124,8 @@ void sub_80C1390(void);
 bool8 sub_80C144C(void);
 bool8 sub_80C1478(void);
 bool8 sub_80C16D0(void);
+void sub_80C1754(u8 a0, u16 a1, u16 a2);
+void sub_80C176C(u8 a0, u16 a1, u16 a2);
 void sub_80C1880(void);
 void sub_80C4AAC(u8 a0);
 void sub_80C4BE4(void);
@@ -153,6 +167,9 @@ u16 sub_80C3580(void);
 #include "data/text/map_section_names.h"
 extern const u16 gUnknown_83EF23C[];
 extern const u16 gUnknown_83EF2DC[];
+extern const u16 gUnknown_83EF384[];
+extern const u32 gUnknown_83EF3C4[];
+extern const u32 gUnknown_83EF450[];
 extern const u32 gUnknown_83EF61C[];
 extern const u32 gUnknown_83F0580[];
 extern const u32 gUnknown_83F089C[];
@@ -167,10 +184,13 @@ extern const u32 gUnknown_83F19A0[];
 extern const struct BgTemplate gUnknown_83F1A50[4];
 extern const struct WindowTemplate gUnknown_83F1A60[];
 extern const u8 gUnknown_83F1A90[];
+extern const u8 *const gUnknown_83F1A9C[];
 extern const u8 sSeviiMapsecs[3][30];
 extern const u8 gUnknown_83F1B00[3][4];
 extern const struct UnkStruct_80C4CF0 gUnknown_83F1B0C[3];
-extern const u8 *const gUnknown_83F1A9C[];
+extern const struct OamData gUnknown_83F1B24;
+extern const union AnimCmd *const gUnknown_83F1B38[];
+extern const struct UnkStruct_83F1B3C gUnknown_83F1B3C[];
 extern const u8 *const gUnknown_83F1CAC[];
 
 static void RegionMap_DarkenPalette(u16 *pal, u16 size, u16 tint)
@@ -798,8 +818,8 @@ void sub_80C0E70(u8 a0, u8 taskId, TaskFunc taskFunc)
         gUnknown_20399D8->field_1CCC = 1;
     else
         gUnknown_20399D8->field_1CCC = 0;
-    gUnknown_20399D8->field_18B8 = 0x58;
-    gUnknown_20399D8->field_1CC4 = 0x98;
+    gUnknown_20399D8->field_14B0[0].field_408 = 0x58;
+    gUnknown_20399D8->field_14B0[1].field_408 = 0x98;
     switch (gUnknown_20399D8->field_1CCC)
     {
     case 1:
@@ -1023,3 +1043,158 @@ bool8 sub_80C144C(void)
         return TRUE;
     }
 }
+
+bool8 sub_80C1478(void)
+{
+    bool8 r6 = FALSE;
+    struct UnkStruct_80C4CF0 data;
+    data.v0 = gUnknown_20399D8->field_1CD4[0] = 0x48;
+    data.v2 = gUnknown_20399D8->field_1CD4[1] = 8 * (gUnknown_20399D8->field_1CCE + 4 * gUnknown_20399D8->field_1CCA);
+    data.v4 = gUnknown_20399D8->field_1CD4[2] = 0xA8;
+    data.v6 = gUnknown_20399D8->field_1CD4[3] = gUnknown_20399D8->field_1CD4[1] + 32;
+    if (JOY_NEW(DPAD_UP) && gUnknown_20399D8->field_1CCA != 0)
+    {
+        PlaySE(SE_BAG1);
+        gUnknown_20399D8->field_1CCA--;
+        r6 = TRUE;
+    }
+    if (JOY_NEW(DPAD_DOWN) && gUnknown_20399D8->field_1CCA < gUnknown_20399D8->field_1CCC)
+    {
+        PlaySE(SE_BAG1);
+        gUnknown_20399D8->field_1CCA++;
+        r6 = TRUE;
+    }
+    if (JOY_NEW(A_BUTTON) && gUnknown_20399D8->field_1CDC == 6)
+    {
+        PlaySE(SE_W129);
+        gUnknown_20399D8->field_1CCB = gUnknown_20399D8->field_1CCA;
+        return TRUE;
+    }
+    if (JOY_NEW(B_BUTTON))
+    {
+        gUnknown_20399D8->field_1CCA = gUnknown_20399D8->field_1CCB;
+        sub_80C0CC8(0, gUnknown_20399D4->field_0026[gUnknown_20399D8->field_1CCA]);
+        CopyBgTilemapBufferToVram(0);
+        sub_80C48BC(255, 25, 1);
+        sub_80C4960(255, 25, 1);
+        return TRUE;
+    }
+    if (r6)
+    {
+        sub_80C0CC8(0, gUnknown_20399D4->field_0026[gUnknown_20399D8->field_1CCA]);
+        sub_80C4E74(gUnknown_8418EB0);
+        CopyBgTilemapBufferToVram(0);
+        CopyBgTilemapBufferToVram(3);
+        sub_80C48BC(255, 25, 1);
+        sub_80C4960(255, 25, 1);
+        sub_80C48BC(gUnknown_20399D8->field_1CCA, 25, 0);
+        sub_80C4960(gUnknown_20399D8->field_1CCA, 25, 0);
+    }
+    if (gUnknown_20399D8->field_1CCA != sub_80C0E34())
+        sub_80C4324(1);
+    else
+        sub_80C4324(0);
+    sub_80C4CF0(1, &data);
+    return FALSE;
+}
+
+void sub_80C16B8(struct Sprite * sprite)
+{
+    sprite->pos1.y = gUnknown_20399D8->field_1CD4[1] + 16;
+}
+
+bool8 sub_80C16D0(void)
+{
+    switch (gUnknown_20399D8->field_1CC9)
+    {
+    case 0:
+        LZ77UnCompWram(gUnknown_83EF3C4, gUnknown_20399D8->field_14B0[0].field_000);
+        break;
+    case 1:
+        LZ77UnCompWram(gUnknown_83EF450, gUnknown_20399D8->field_14B0[1].field_000);
+        break;
+    case 2:
+        sub_80C1754(0, 2, 2);
+        sub_80C1754(1, 3, 3);
+        break;
+    default:
+        return TRUE;
+    }
+    gUnknown_20399D8->field_1CC9++;
+    return FALSE;
+}
+
+void sub_80C1754(u8 a0, u16 a1, u16 a2)
+{
+    sub_80C176C(a0, a1, a2);
+}
+
+void sub_80C176C(u8 a0, u16 a1, u16 a2)
+{
+    u8 spriteId;
+
+    struct SpriteSheet spriteSheet = {
+        .data = gUnknown_20399D8->field_14B0[a0].field_000,
+        .size = 0x400,
+        .tag = a1
+    };
+    struct SpritePalette spritePalette = {
+        .data = gUnknown_83EF384,
+        .tag = a2
+    };
+    struct SpriteTemplate template = {
+        .tileTag = a1,
+        .paletteTag = a2,
+        .oam = &gUnknown_83F1B24,
+        .anims = gUnknown_83F1B38,
+        .images = NULL,
+        .affineAnims = gDummySpriteAffineAnimTable,
+        .callback = sub_80C16B8
+    };
+
+    gUnknown_20399D8->field_14B0[a0].field_404 = a1;
+    gUnknown_20399D8->field_14B0[a0].field_406 = a2;
+
+    LoadSpriteSheet(&spriteSheet);
+    LoadSpritePalette(&spritePalette);
+
+    spriteId = CreateSprite(&template, gUnknown_20399D8->field_14B0[a0].field_408, 8 * (gUnknown_20399D8->field_1CCE + 4 * gUnknown_20399D8->field_1CCA), 0);
+    gUnknown_20399D8->field_14B0[a0].field_400 = &gSprites[spriteId];
+    gSprites[spriteId].invisible = FALSE;
+}
+
+void sub_80C1880(void)
+{
+    u8 i;
+    for (i = 0; i < 2; i++)
+    {
+        if (gUnknown_20399D8->field_14B0[i].field_400 != NULL)
+        {
+            DestroySprite(gUnknown_20399D8->field_14B0[i].field_400);
+            FreeSpriteTilesByTag(gUnknown_20399D8->field_14B0[i].field_404);
+            FreeSpritePaletteByTag(gUnknown_20399D8->field_14B0[i].field_406);
+        }
+    }
+}
+
+const u8 *sub_80C18E0(u16 a0)
+{
+    u8 i;
+    for (i = 0; i < 19; i++)
+    {
+        if (gUnknown_83F1B3C[i].field_0 == a0)
+            return gUnknown_83F1B3C[i].field_8;
+    }
+    return gUnknown_8418EC3;
+}
+
+const u8 *sub_80C1920(u16 a0)
+{
+    u8 i;
+    for (i = 0; i < 19; i++)
+    {
+        if (gUnknown_83F1B3C[i].field_0 == a0)
+            return gUnknown_83F1B3C[i].field_4;
+    }
+    return gUnknown_8418EC3;
+}