diff --git a/asm/battle_1.s b/asm/battle_1.s
index 9665b0d11..379f38515 100644
--- a/asm/battle_1.s
+++ b/asm/battle_1.s
@@ -1433,13 +1433,13 @@ DrawMainBattleBackground: @ 8035770
 	ands r0, r1
 	cmp r0, 0
 	beq _080357B0
-	ldr r0, =gUnknown_08D7C440
+	ldr r0, =gBattleTerrainTiles_Building
 	ldr r1, =0x06008000
 	bl LZDecompressVram
 	ldr r0, =gUnknown_08D7CA28
 	ldr r1, =0x0600d000
 	bl LZDecompressVram
-	ldr r0, =gUnknown_08D7C9EC
+	ldr r0, =gBattleTerrainPalette_Frontier
 	b _08035A52
 	.pool
 _080357B0:
@@ -1502,7 +1502,7 @@ _0803584C:
 	ldrb r0, [r0, 0x1]
 	cmp r0, 0x20
 	bne _08035898
-	ldr r0, =gUnknown_08D7C440
+	ldr r0, =gBattleTerrainTiles_Building
 	ldr r1, =0x06008000
 	bl LZDecompressVram
 	ldr r0, =gUnknown_08D7CA28
@@ -1576,7 +1576,7 @@ _08035904:
 	b _08035A52
 	.pool
 _08035950:
-	ldr r0, =gUnknown_08D7C440
+	ldr r0, =gBattleTerrainTiles_Building
 	ldr r1, =0x06008000
 	bl LZDecompressVram
 	ldr r0, =gUnknown_08D7CA28
@@ -1650,13 +1650,13 @@ _08035A52:
 	b _08035A8A
 	.pool
 _08035A70:
-	ldr r0, =gUnknown_08D7C440
+	ldr r0, =gBattleTerrainTiles_Building
 	ldr r1, =0x06008000
 	bl LZDecompressVram
 	ldr r0, =gUnknown_08D7CA28
 	ldr r1, =0x0600d000
 	bl LZDecompressVram
-	ldr r0, =gUnknown_08D7C9EC
+	ldr r0, =gBattleTerrainPalette_Frontier
 	movs r1, 0x20
 	movs r2, 0x60
 	bl LoadCompressedPalette
@@ -2813,7 +2813,7 @@ _08036510:
 	b _0803651A
 	.pool
 _08036518:
-	ldr r0, =gUnknown_08D7C440
+	ldr r0, =gBattleTerrainTiles_Building
 _0803651A:
 	ldr r1, =0x06008000
 	bl LZDecompressVram
@@ -3043,7 +3043,7 @@ _08036738:
 	b _08036742
 	.pool
 _08036740:
-	ldr r0, =gUnknown_08D7C9EC
+	ldr r0, =gBattleTerrainPalette_Frontier
 _08036742:
 	movs r1, 0x20
 	movs r2, 0x60
diff --git a/asm/berry_tag_screen.s b/asm/berry_tag_screen.s
index 422f5f3d6..75e50f88d 100644
--- a/asm/berry_tag_screen.s
+++ b/asm/berry_tag_screen.s
@@ -115,7 +115,7 @@ _08177CD8:
 	.4byte _08177DC2
 _08177D18:
 	bl SetVBlankHBlankCallbacksToNull
-	bl sub_8121DA0
+	bl ResetVramOamAndBgCntRegs
 	bl clear_scheduled_bg_copies_to_vram
 	b _08177DDC
 _08177D26:
@@ -246,7 +246,7 @@ sub_8177E14: @ 8177E14
 	adds r1, r0
 	movs r0, 0x3
 	bl SetBgTilemapBuffer
-	bl sub_8121E10
+	bl ResetAllBgsCoordinates
 	movs r0, 0x2
 	bl schedule_bg_copy_tilemap_to_vram
 	movs r0, 0x3
diff --git a/asm/item_menu.s b/asm/item_menu.s
index 61bd5c6e9..b762e8fed 100755
--- a/asm/item_menu.s
+++ b/asm/item_menu.s
@@ -568,7 +568,7 @@ _081AB046:
 	thumb_func_start bag_menu_init_bgs
 bag_menu_init_bgs: @ 81AB050
 	push {r4,lr}
-	bl sub_8121DA0
+	bl ResetVramOamAndBgCntRegs
 	ldr r4, =gUnknown_0203CE54
 	ldr r0, [r4]
 	adds r0, 0x4
@@ -586,7 +586,7 @@ bag_menu_init_bgs: @ 81AB050
 	adds r1, 0x4
 	movs r0, 0x2
 	bl SetBgTilemapBuffer
-	bl sub_8121E10
+	bl ResetAllBgsCoordinates
 	movs r0, 0x2
 	bl schedule_bg_copy_tilemap_to_vram
 	movs r1, 0x82
diff --git a/asm/learn_move.s b/asm/learn_move.s
index 159b16f7e..6d500d7f6 100755
--- a/asm/learn_move.s
+++ b/asm/learn_move.s
@@ -175,14 +175,14 @@ sub_8160740: @ 8160740
 	thumb_func_start sub_81607EC
 sub_81607EC: @ 81607EC
 	push {lr}
-	bl sub_8121DA0
+	bl ResetVramOamAndBgCntRegs
 	movs r0, 0
 	bl ResetBgsAndClearDma3BusyFlags
 	ldr r1, =gUnknown_085CEC28
 	movs r0, 0
 	movs r2, 0x2
 	bl InitBgsFromTemplates
-	bl sub_8121E10
+	bl ResetAllBgsCoordinates
 	movs r1, 0x82
 	lsls r1, 5
 	movs r0, 0
diff --git a/asm/menu_helpers.s b/asm/menu_helpers.s
index 423f653d9..c21ddee78 100644
--- a/asm/menu_helpers.s
+++ b/asm/menu_helpers.s
@@ -5,8 +5,8 @@
 
 	.text
 
-	thumb_func_start sub_8121DA0
-sub_8121DA0: @ 8121DA0
+	thumb_func_start ResetVramOamAndBgCntRegs
+ResetVramOamAndBgCntRegs: @ 8121DA0
 	push {r4,lr}
 	sub sp, 0xC
 	movs r0, 0
@@ -50,10 +50,10 @@ sub_8121DA0: @ 8121DA0
 	pop {r0}
 	bx r0
 	.pool
-	thumb_func_end sub_8121DA0
+	thumb_func_end ResetVramOamAndBgCntRegs
 
-	thumb_func_start sub_8121E10
-sub_8121E10: @ 8121E10
+	thumb_func_start ResetAllBgsCoordinates
+ResetAllBgsCoordinates: @ 8121E10
 	push {lr}
 	movs r0, 0
 	movs r1, 0
@@ -89,7 +89,7 @@ sub_8121E10: @ 8121E10
 	bl ChangeBgY
 	pop {r0}
 	bx r0
-	thumb_func_end sub_8121E10
+	thumb_func_end ResetAllBgsCoordinates
 
 	thumb_func_start SetVBlankHBlankCallbacksToNull
 @ void SetVBlankHBlankCallbacksToNull()
@@ -177,8 +177,8 @@ _08121EC0:
 	.pool
 	thumb_func_end DisplayMessageAndContinueTask
 
-	thumb_func_start sub_8121F20
-sub_8121F20: @ 8121F20
+	thumb_func_start RunTextPrintersRetIsActive
+RunTextPrintersRetIsActive: @ 8121F20
 	push {r4,lr}
 	adds r4, r0, 0
 	lsls r4, 24
@@ -191,7 +191,7 @@ sub_8121F20: @ 8121F20
 	pop {r4}
 	pop {r1}
 	bx r1
-	thumb_func_end sub_8121F20
+	thumb_func_end RunTextPrintersRetIsActive
 
 	thumb_func_start Task_ContinueTaskAfterMessagePrints
 @ void Task_ContinueTaskAfterMessagePrints(u8 taskId)
@@ -201,7 +201,7 @@ Task_ContinueTaskAfterMessagePrints: @ 8121F3C
 	lsrs r4, r0, 24
 	ldr r0, =gUnknown_0203A140
 	ldrb r0, [r0]
-	bl sub_8121F20
+	bl RunTextPrintersRetIsActive
 	lsls r0, 16
 	cmp r0, 0
 	bne _08121F5A
diff --git a/asm/party_menu.s b/asm/party_menu.s
index 4ae689d4d..4214b06fc 100755
--- a/asm/party_menu.s
+++ b/asm/party_menu.s
@@ -98,7 +98,7 @@ _081B0234:
 	.4byte _081B0474
 _081B0290:
 	bl SetVBlankHBlankCallbacksToNull
-	bl sub_8121DA0
+	bl ResetVramOamAndBgCntRegs
 	bl clear_scheduled_bg_copies_to_vram
 	ldr r1, =gMain
 	movs r0, 0x87
@@ -429,7 +429,7 @@ sub_81B0550: @ 81B0550
 	ldr r1, [r5]
 	movs r0, 0x1
 	bl SetBgTilemapBuffer
-	bl sub_8121E10
+	bl ResetAllBgsCoordinates
 	movs r0, 0x1
 	bl schedule_bg_copy_tilemap_to_vram
 	movs r1, 0x82
@@ -3161,7 +3161,7 @@ sub_81B1B8C: @ 81B1B8C
 	lsrs r4, r0, 24
 	adds r5, r4, 0
 	movs r0, 0x6
-	bl sub_8121F20
+	bl RunTextPrintersRetIsActive
 	lsls r0, 16
 	lsrs r0, 16
 	cmp r0, 0x1
diff --git a/asm/pokeblock_feed.s b/asm/pokeblock_feed.s
index aef726c16..47e20f1a8 100644
--- a/asm/pokeblock_feed.s
+++ b/asm/pokeblock_feed.s
@@ -5,1132 +5,13 @@
 
 	.text
 
-	thumb_func_start sub_8179B68
-sub_8179B68: @ 8179B68
-	push {lr}
-	bl RunTasks
-	bl AnimateSprites
-	bl BuildOamBuffer
-	bl do_scheduled_bg_tilemap_copies_to_vram
-	bl UpdatePaletteFade
-	pop {r0}
-	bx r0
-	thumb_func_end sub_8179B68
+	
 
-	thumb_func_start sub_8179B84
-sub_8179B84: @ 8179B84
-	push {lr}
-	bl LoadOam
-	bl ProcessSpriteCopyRequests
-	bl TransferPlttBuffer
-	pop {r0}
-	bx r0
-	thumb_func_end sub_8179B84
-
-	thumb_func_start sub_8179B98
-sub_8179B98: @ 8179B98
-	push {r4,lr}
-	sub sp, 0x4
-	ldr r0, =gMain
-	movs r1, 0x87
-	lsls r1, 3
-	adds r0, r1
-	ldrb r0, [r0]
-	cmp r0, 0xD
-	bls _08179BAC
-	b _08179D4C
-_08179BAC:
-	lsls r0, 2
-	ldr r1, =_08179BC0
-	adds r0, r1
-	ldr r0, [r0]
-	mov pc, r0
-	.pool
-	.align 2, 0
-_08179BC0:
-	.4byte _08179BF8
-	.4byte _08179C20
-	.4byte _08179C34
-	.4byte _08179C48
-	.4byte _08179C4E
-	.4byte _08179C60
-	.4byte _08179C66
-	.4byte _08179C78
-	.4byte _08179C98
-	.4byte _08179CB0
-	.4byte _08179CDC
-	.4byte _08179CF8
-	.4byte _08179CFE
-	.4byte _08179D18
-_08179BF8:
-	ldr r4, =gUnknown_0203BD18
-	ldr r0, =0x00001084
-	bl AllocZeroed
-	str r0, [r4]
-	bl SetVBlankHBlankCallbacksToNull
-	bl clear_scheduled_bg_copies_to_vram
-	ldr r1, =gMain
-	movs r2, 0x87
-	lsls r2, 3
-	adds r1, r2
-	b _08179D3A
-	.pool
-_08179C20:
-	bl ResetPaletteFade
-	ldr r2, =gPaletteFade
-	ldrb r0, [r2, 0x8]
-	movs r1, 0x80
-	orrs r0, r1
-	b _08179D30
-	.pool
-_08179C34:
-	bl ResetSpriteData
-	ldr r1, =gMain
-	movs r2, 0x87
-	lsls r2, 3
-	adds r1, r2
-	b _08179D3A
-	.pool
-_08179C48:
-	bl FreeAllSpritePalettes
-	b _08179D32
-_08179C4E:
-	bl AllocateMonSpritesGfx
-	ldr r1, =gMain
-	movs r2, 0x87
-	lsls r2, 3
-	adds r1, r2
-	b _08179D3A
-	.pool
-_08179C60:
-	bl sub_8179D9C
-	b _08179D32
-_08179C66:
-	bl sub_8179FAC
-	ldr r1, =gMain
-	movs r2, 0x87
-	lsls r2, 3
-	adds r1, r2
-	b _08179D3A
-	.pool
-_08179C78:
-	ldr r0, =gUnknown_0203BC9C
-	ldrb r1, [r0]
-	movs r0, 0x64
-	muls r0, r1
-	ldr r1, =gPlayerParty
-	adds r0, r1
-	bl sub_8179DF4
-	lsls r0, 24
-	cmp r0, 0
-	beq _08179D64
-	b _08179D32
-	.pool
-_08179C98:
-	bl sub_817A4A4
-	ldr r1, =gUnknown_0203BD18
-	ldr r1, [r1]
-	ldr r2, =0x0000105e
-	adds r1, r2
-	strb r0, [r1]
-	b _08179D32
-	.pool
-_08179CB0:
-	ldr r0, =gUnknown_0203BC9C
-	ldrb r1, [r0]
-	movs r0, 0x64
-	muls r0, r1
-	ldr r1, =gPlayerParty
-	adds r0, r1
-	bl sub_817A358
-	ldr r1, =gUnknown_0203BD18
-	ldr r1, [r1]
-	ldr r2, =0x0000105d
-	adds r1, r2
-	strb r0, [r1]
-	b _08179D32
-	.pool
-_08179CDC:
-	movs r0, 0
-	movs r1, 0x1
-	movs r2, 0x1
-	movs r3, 0xE
-	bl SetWindowBorderStyle
-	ldr r1, =gMain
-	movs r2, 0x87
-	lsls r2, 3
-	adds r1, r2
-	b _08179D3A
-	.pool
-_08179CF8:
-	bl sub_817A168
-	b _08179D32
-_08179CFE:
-	movs r0, 0x1
-	negs r0, r0
-	movs r1, 0x10
-	movs r2, 0
-	bl BlendPalettes
-	ldr r1, =gMain
-	movs r2, 0x87
-	lsls r2, 3
-	adds r1, r2
-	b _08179D3A
-	.pool
-_08179D18:
-	movs r0, 0x1
-	negs r0, r0
-	movs r1, 0
-	str r1, [sp]
-	movs r2, 0x10
-	movs r3, 0
-	bl BeginNormalPaletteFade
-	ldr r2, =gPaletteFade
-	ldrb r1, [r2, 0x8]
-	movs r0, 0x7F
-	ands r0, r1
-_08179D30:
-	strb r0, [r2, 0x8]
-_08179D32:
-	ldr r1, =gMain
-	movs r0, 0x87
-	lsls r0, 3
-	adds r1, r0
-_08179D3A:
-	ldrb r0, [r1]
-	adds r0, 0x1
-	strb r0, [r1]
-	b _08179D64
-	.pool
-_08179D4C:
-	ldr r0, =sub_8179B84
-	bl SetVBlankCallback
-	ldr r0, =sub_8179B68
-	bl SetMainCallback2
-	movs r0, 0x1
-	b _08179D66
-	.pool
-_08179D64:
-	movs r0, 0
-_08179D66:
-	add sp, 0x4
-	pop {r4}
-	pop {r1}
-	bx r1
-	thumb_func_end sub_8179B98
-
-	thumb_func_start sub_8179D70
-sub_8179D70: @ 8179D70
-	push {lr}
-_08179D72:
-	bl sub_81221EC
-	lsls r0, 24
-	lsrs r0, 24
-	cmp r0, 0x1
-	beq _08179D96
-	bl sub_8179B98
-	lsls r0, 24
-	lsrs r0, 24
-	cmp r0, 0x1
-	beq _08179D96
-	bl sub_81221AC
-	lsls r0, 24
-	lsrs r0, 24
-	cmp r0, 0x1
-	bne _08179D72
-_08179D96:
-	pop {r0}
-	bx r0
-	thumb_func_end sub_8179D70
-
-	thumb_func_start sub_8179D9C
-sub_8179D9C: @ 8179D9C
-	push {lr}
-	bl sub_8121DA0
-	movs r0, 0
-	bl ResetBgsAndClearDma3BusyFlags
-	ldr r1, =gUnknown_085F0550
-	movs r0, 0
-	movs r2, 0x2
-	bl InitBgsFromTemplates
-	ldr r0, =gUnknown_0203BD18
-	ldr r1, [r0]
-	adds r1, 0x48
-	movs r0, 0x1
-	bl SetBgTilemapBuffer
-	bl sub_8121E10
-	movs r0, 0x1
-	bl schedule_bg_copy_tilemap_to_vram
-	movs r1, 0x82
-	lsls r1, 5
-	movs r0, 0
-	bl SetGpuReg
-	movs r0, 0
-	bl ShowBg
-	movs r0, 0x1
-	bl ShowBg
-	movs r0, 0x50
-	movs r1, 0
-	bl SetGpuReg
-	pop {r0}
-	bx r0
-	.pool
-	thumb_func_end sub_8179D9C
-
-	thumb_func_start sub_8179DF4
-sub_8179DF4: @ 8179DF4
-	push {r4-r6,lr}
-	sub sp, 0x4
-	adds r6, r0, 0
-	ldr r0, =gUnknown_0203BD18
-	ldr r0, [r0]
-	ldr r1, =0x0000107e
-	adds r0, r1
-	movs r1, 0
-	ldrsh r0, [r0, r1]
-	cmp r0, 0x8
-	bls _08179E0C
-	b _08179FA0
-_08179E0C:
-	lsls r0, 2
-	ldr r1, =_08179E24
-	adds r0, r1
-	ldr r0, [r0]
-	mov pc, r0
-	.pool
-	.align 2, 0
-_08179E24:
-	.4byte _08179E48
-	.4byte _08179E84
-	.4byte _08179EC4
-	.4byte _08179ED8
-	.4byte _08179EEC
-	.4byte _08179F00
-	.4byte _08179F20
-	.4byte _08179F44
-	.4byte _08179F78
-_08179E48:
-	adds r0, r6, 0
-	movs r1, 0x41
-	bl GetMonData
-	lsls r0, 16
-	lsrs r5, r0, 16
-	adds r0, r6, 0
-	movs r1, 0
-	bl GetMonData
-	adds r4, r0, 0
-	lsls r0, r5, 3
-	ldr r1, =gMonFrontPicTable
-	adds r0, r1
-	ldr r1, =gMonSpritesGfxPtr
-	ldr r1, [r1]
-	ldr r1, [r1, 0x8]
-	adds r2, r5, 0
-	adds r3, r4, 0
-	bl HandleLoadSpecialPokePic_2
-	ldr r0, =gUnknown_0203BD18
-	ldr r1, [r0]
-	b _08179F5E
-	.pool
-_08179E84:
-	adds r0, r6, 0
-	movs r1, 0x41
-	bl GetMonData
-	lsls r0, 16
-	lsrs r5, r0, 16
-	adds r0, r6, 0
-	movs r1, 0
-	bl GetMonData
-	adds r4, r0, 0
-	adds r0, r6, 0
-	movs r1, 0x1
-	bl GetMonData
-	adds r1, r0, 0
-	adds r0, r5, 0
-	adds r2, r4, 0
-	bl GetMonSpritePalStructFromOtIdPersonality
-	adds r4, r0, 0
-	bl LoadCompressedObjectPalette
-	ldrh r0, [r4, 0x4]
-	movs r1, 0x1
-	bl sub_806A068
-	ldr r0, =gUnknown_0203BD18
-	ldr r1, [r0]
-	b _08179F5E
-	.pool
-_08179EC4:
-	ldr r0, =gUnknown_085B26F4
-	bl LoadCompressedObjectPic
-	ldr r0, =gUnknown_0203BD18
-	ldr r1, [r0]
-	b _08179F5E
-	.pool
-_08179ED8:
-	ldr r0, =gUnknown_085B26FC
-	bl LoadCompressedObjectPalette
-	ldr r0, =gUnknown_0203BD18
-	ldr r1, [r0]
-	b _08179F5E
-	.pool
-_08179EEC:
-	ldr r0, =gUnknown_085F06A0
-	bl LoadCompressedObjectPic
-	ldr r0, =gUnknown_0203BD18
-	ldr r1, [r0]
-	b _08179F5E
-	.pool
-_08179F00:
-	ldr r0, =gSpecialVar_ItemId
-	ldrb r0, [r0]
-	bl sub_8179FEC
-	ldr r0, =gUnknown_0203BD1C
-	bl LoadCompressedObjectPalette
-	ldr r0, =gUnknown_0203BD18
-	ldr r1, [r0]
-	b _08179F5E
-	.pool
-_08179F20:
-	bl reset_temp_tile_data_buffers
-	ldr r1, =gUnknown_08D7C440
-	movs r0, 0
-	str r0, [sp]
-	movs r0, 0x1
-	movs r2, 0
-	movs r3, 0
-	bl decompress_and_copy_tile_data_to_vram
-	ldr r0, =gUnknown_0203BD18
-	ldr r1, [r0]
-	b _08179F5E
-	.pool
-_08179F44:
-	bl free_temp_tile_data_buffers_if_possible
-	lsls r0, 24
-	lsrs r0, 24
-	cmp r0, 0x1
-	beq _08179FA0
-	ldr r0, =gUnknown_08D9BA44
-	ldr r4, =gUnknown_0203BD18
-	ldr r1, [r4]
-	adds r1, 0x48
-	bl LZDecompressWram
-	ldr r1, [r4]
-_08179F5E:
-	ldr r0, =0x0000107e
-	adds r1, r0
-	ldrh r0, [r1]
-	adds r0, 0x1
-	strh r0, [r1]
-	b _08179FA0
-	.pool
-_08179F78:
-	ldr r0, =gUnknown_08D7C9EC
-	movs r1, 0x20
-	movs r2, 0x60
-	bl LoadCompressedPalette
-	ldr r0, =gUnknown_0203BD18
-	ldr r0, [r0]
-	ldr r1, =0x0000107e
-	adds r0, r1
-	movs r1, 0
-	strh r1, [r0]
-	movs r0, 0x1
-	b _08179FA2
-	.pool
-_08179FA0:
-	movs r0, 0
-_08179FA2:
-	add sp, 0x4
-	pop {r4-r6}
-	pop {r1}
-	bx r1
-	thumb_func_end sub_8179DF4
-
-	thumb_func_start sub_8179FAC
-sub_8179FAC: @ 8179FAC
-	push {lr}
-	ldr r0, =gUnknown_085F0558
-	bl InitWindows
-	bl DeactivateAllTextPrinters
-	movs r0, 0
-	movs r1, 0x1
-	movs r2, 0xE0
-	bl sub_809882C
-	ldr r0, =gUnknown_0860F074
-	movs r1, 0xF0
-	movs r2, 0x20
-	bl LoadPalette
-	movs r0, 0
-	movs r1, 0
-	bl FillWindowPixelBuffer
-	movs r0, 0
-	bl PutWindowTilemap
-	movs r0, 0
-	bl schedule_bg_copy_tilemap_to_vram
-	pop {r0}
-	bx r0
-	.pool
-	thumb_func_end sub_8179FAC
-
-	thumb_func_start sub_8179FEC
-sub_8179FEC: @ 8179FEC
-	push {lr}
-	lsls r0, 24
-	ldr r1, =gSaveBlock1Ptr
-	lsrs r0, 21
-	ldr r2, =0x00000848
-	adds r0, r2
-	ldr r1, [r1]
-	adds r1, r0
-	adds r0, r1, 0
-	movs r1, 0
-	bl sub_8136F9C
-	lsls r0, 24
-	ldr r2, =gUnknown_0203BD1C
-	ldr r1, =gUnknown_085F0568
-	lsrs r0, 22
-	subs r0, 0x4
-	adds r0, r1
-	ldr r0, [r0]
-	str r0, [r2]
-	ldr r0, =0x000039e2
-	strh r0, [r2, 0x4]
-	pop {r0}
-	bx r0
-	.pool
-	thumb_func_end sub_8179FEC
-
-	thumb_func_start sub_817A030
-sub_817A030: @ 817A030
-	push {r4,r5,lr}
-	lsls r0, 24
-	lsrs r4, r0, 24
-	ldr r0, =gPaletteFade
-	ldrb r1, [r0, 0x7]
-	movs r0, 0x80
-	ands r0, r1
-	cmp r0, 0
-	beq _0817A044
-	b _0817A154
-_0817A044:
-	ldr r0, =gTasks
-	lsls r2, r4, 2
-	adds r1, r2, r4
-	lsls r1, 3
-	adds r1, r0
-	movs r0, 0x8
-	ldrsh r3, [r1, r0]
-	ldr r0, =0x0000010d
-	adds r5, r2, 0
-	cmp r3, r0
-	beq _0817A0C8
-	cmp r3, r0
-	bgt _0817A074
-	cmp r3, 0
-	beq _0817A088
-	cmp r3, 0xFF
-	beq _0817A0AC
-	b _0817A104
-	.pool
-_0817A074:
-	ldr r0, =0x00000119
-	cmp r3, r0
-	beq _0817A0E0
-	adds r0, 0x10
-	cmp r3, r0
-	beq _0817A0F8
-	b _0817A104
-	.pool
-_0817A088:
-	ldr r0, =gUnknown_0203BD18
-	ldr r1, [r0]
-	ldr r2, =0x00001050
-	adds r1, r2
-	strb r3, [r1]
-	ldr r0, [r0]
-	ldr r1, =0x00001058
-	adds r0, r1
-	strh r3, [r0]
-	bl sub_817A5CC
-	b _0817A104
-	.pool
-_0817A0AC:
-	ldr r0, =gUnknown_0203BD18
-	ldr r0, [r0]
-	ldr r2, =0x0000105e
-	adds r0, r2
-	ldrb r0, [r0]
-	ldrb r1, [r1, 0xA]
-	bl sub_817A4F8
-	b _0817A104
-	.pool
-_0817A0C8:
-	bl sub_817A56C
-	ldr r1, =gUnknown_0203BD18
-	ldr r1, [r1]
-	ldr r2, =0x0000105f
-	adds r1, r2
-	strb r0, [r1]
-	b _0817A104
-	.pool
-_0817A0E0:
-	ldr r0, =gUnknown_0203BD18
-	ldr r0, [r0]
-	ldr r1, =0x0000105d
-	adds r0, r1
-	ldrb r0, [r0]
-	bl sub_817A434
-	b _0817A104
-	.pool
-_0817A0F8:
-	ldr r0, =sub_817A1C4
-	str r0, [r1]
-	b _0817A154
-	.pool
-_0817A104:
-	ldr r0, =gUnknown_0203BD18
-	ldr r0, [r0]
-	ldr r2, =0x00001058
-	adds r1, r0, r2
-	subs r2, 0x2
-	adds r0, r2
-	ldrh r1, [r1]
-	ldrh r0, [r0]
-	cmp r1, r0
-	bcs _0817A128
-	bl sub_817A634
-	b _0817A138
-	.pool
-_0817A128:
-	cmp r1, r0
-	bne _0817A138
-	ldr r0, =gTasks
-	adds r1, r5, r4
-	lsls r1, 3
-	adds r1, r0
-	movs r0, 0xFE
-	strh r0, [r1, 0x8]
-_0817A138:
-	ldr r0, =gUnknown_0203BD18
-	ldr r1, [r0]
-	ldr r0, =0x00001058
-	adds r1, r0
-	ldrh r0, [r1]
-	adds r0, 0x1
-	strh r0, [r1]
-	ldr r0, =gTasks
-	adds r1, r5, r4
-	lsls r1, 3
-	adds r1, r0
-	ldrh r0, [r1, 0x8]
-	adds r0, 0x1
-	strh r0, [r1, 0x8]
-_0817A154:
-	pop {r4,r5}
-	pop {r0}
-	bx r0
-	.pool
-	thumb_func_end sub_817A030
-
-	thumb_func_start sub_817A168
-sub_817A168: @ 817A168
-	push {lr}
-	ldr r0, =sub_817A030
-	movs r1, 0
-	bl CreateTask
-	lsls r0, 24
-	lsrs r0, 24
-	ldr r2, =gTasks
-	lsls r1, r0, 2
-	adds r1, r0
-	lsls r1, 3
-	adds r1, r2
-	movs r0, 0
-	strh r0, [r1, 0x8]
-	movs r0, 0x1
-	strh r0, [r1, 0xA]
-	pop {r0}
-	bx r0
-	.pool
-	thumb_func_end sub_817A168
-
-	thumb_func_start sub_817A194
-sub_817A194: @ 817A194
-	push {r4,lr}
-	lsls r0, 24
-	lsrs r4, r0, 24
-	movs r0, 0
-	bl sub_8121F20
-	lsls r0, 16
-	lsrs r0, 16
-	cmp r0, 0x1
-	beq _0817A1B6
-	ldr r0, =gTasks
-	lsls r1, r4, 2
-	adds r1, r4
-	lsls r1, 3
-	adds r1, r0
-	ldr r0, =sub_817A320
-	str r0, [r1]
-_0817A1B6:
-	pop {r4}
-	pop {r0}
-	bx r0
-	.pool
-	thumb_func_end sub_817A194
-
-	thumb_func_start sub_817A1C4
-sub_817A1C4: @ 817A1C4
-	push {r4-r7,lr}
-	sub sp, 0x10
-	lsls r0, 24
-	lsrs r7, r0, 24
-	ldr r0, =gUnknown_0203BC9C
-	ldrb r1, [r0]
-	movs r0, 0x64
-	adds r5, r1, 0
-	muls r5, r0
-	ldr r0, =gPlayerParty
-	adds r5, r0
-	ldr r1, =gSaveBlock1Ptr
-	ldr r0, =gSpecialVar_ItemId
-	ldrh r0, [r0]
-	lsls r0, 3
-	ldr r2, =0x00000848
-	adds r0, r2
-	ldr r4, [r1]
-	adds r4, r0
-	adds r0, r5, 0
-	bl GetNature
-	lsls r0, 24
-	lsrs r0, 24
-	adds r1, r4, 0
-	bl PokeblockGetGain
-	ldr r6, =gUnknown_0203BC9E
-	strh r0, [r6]
-	ldr r1, =gStringVar1
-	adds r0, r5, 0
-	bl GetMonNickname
-	ldr r1, =gStringVar2
-	adds r0, r4, 0
-	bl sub_8137044
-	movs r1, 0
-	ldrsh r0, [r6, r1]
-	cmp r0, 0
-	bne _0817A248
-	ldr r0, =gStringVar4
-	ldr r1, =gText_Var1AteTheVar2
-	bl StringExpandPlaceholders
-	b _0817A268
-	.pool
-_0817A248:
-	cmp r0, 0
-	ble _0817A260
-	ldr r0, =gStringVar4
-	ldr r1, =gText_Var1HappilyAteVar2
-	bl StringExpandPlaceholders
-	b _0817A268
-	.pool
-_0817A260:
-	ldr r0, =gStringVar4
-	ldr r1, =gText_Var1DisdainfullyAteVar2
-	bl StringExpandPlaceholders
-_0817A268:
-	ldr r2, =gTextFlags
-	ldrb r0, [r2]
-	movs r1, 0x1
-	orrs r0, r1
-	strb r0, [r2]
-	bl GetPlayerTextSpeed
-	adds r3, r0, 0
-	lsls r3, 24
-	lsrs r3, 24
-	ldr r2, =gStringVar4
-	movs r0, 0
-	str r0, [sp]
-	movs r0, 0x2
-	str r0, [sp, 0x4]
-	movs r0, 0x1
-	str r0, [sp, 0x8]
-	movs r0, 0x3
-	str r0, [sp, 0xC]
-	movs r0, 0
-	movs r1, 0x1
-	bl AddTextPrinterParametrized
-	ldr r1, =gTasks
-	lsls r0, r7, 2
-	adds r0, r7
-	lsls r0, 3
-	adds r0, r1
-	ldr r1, =sub_817A194
-	str r1, [r0]
-	add sp, 0x10
-	pop {r4-r7}
-	pop {r0}
-	bx r0
-	.pool
-	thumb_func_end sub_817A1C4
-
-	thumb_func_start sub_817A2C0
-sub_817A2C0: @ 817A2C0
-	push {r4,lr}
-	lsls r0, 24
-	lsrs r4, r0, 24
-	ldr r0, =gPaletteFade
-	ldrb r1, [r0, 0x7]
-	movs r0, 0x80
-	ands r0, r1
-	cmp r0, 0
-	bne _0817A304
-	bl ResetSpriteData
-	bl FreeAllSpritePalettes
-	ldr r0, =gMPlay_BGM
-	ldr r1, =0x0000ffff
-	movs r2, 0x80
-	lsls r2, 1
-	bl m4aMPlayVolumeControl
-	ldr r0, =gMain
-	ldr r0, [r0, 0x8]
-	bl SetMainCallback2
-	adds r0, r4, 0
-	bl DestroyTask
-	bl FreeAllWindowBuffers
-	ldr r0, =gUnknown_0203BD18
-	ldr r0, [r0]
-	bl Free
-	bl FreeMonSpritesGfx
-_0817A304:
-	pop {r4}
-	pop {r0}
-	bx r0
-	.pool
-	thumb_func_end sub_817A2C0
-
-	thumb_func_start sub_817A320
-sub_817A320: @ 817A320
-	push {r4,lr}
-	sub sp, 0x4
-	adds r4, r0, 0
-	lsls r4, 24
-	lsrs r4, 24
-	movs r0, 0x1
-	negs r0, r0
-	movs r1, 0
-	str r1, [sp]
-	movs r2, 0
-	movs r3, 0x10
-	bl BeginNormalPaletteFade
-	ldr r1, =gTasks
-	lsls r0, r4, 2
-	adds r0, r4
-	lsls r0, 3
-	adds r0, r1
-	ldr r1, =sub_817A2C0
-	str r1, [r0]
-	add sp, 0x4
-	pop {r4}
-	pop {r0}
-	bx r0
-	.pool
-	thumb_func_end sub_817A320
-
-	thumb_func_start sub_817A358
-sub_817A358: @ 817A358
-	push {r4-r7,lr}
-	mov r7, r9
-	mov r6, r8
-	push {r6,r7}
-	adds r5, r0, 0
-	movs r1, 0x41
-	bl GetMonData
-	adds r4, r0, 0
-	lsls r4, 16
-	lsrs r4, 16
-	ldr r0, =gUnknown_0202499C
-	movs r1, 0x30
-	movs r2, 0x50
-	movs r3, 0x2
-	bl CreateSprite
-	lsls r0, 24
-	lsrs r0, 24
-	mov r8, r0
-	ldr r0, =gUnknown_0203BD18
-	mov r9, r0
-	ldr r0, [r0]
-	ldr r2, =0x00001054
-	adds r1, r0, r2
-	strh r4, [r1]
-	ldr r1, =0x0000105b
-	adds r0, r1
-	mov r2, r8
-	strb r2, [r0]
-	adds r0, r5, 0
-	bl GetNature
-	mov r2, r9
-	ldr r1, [r2]
-	ldr r2, =0x0000105a
-	adds r1, r2
-	strb r0, [r1]
-	ldr r7, =gSprites
-	mov r1, r8
-	lsls r0, r1, 4
-	add r0, r8
-	lsls r5, r0, 2
-	adds r6, r5, r7
-	strh r4, [r6, 0x32]
-	adds r0, r7, 0
-	adds r0, 0x1C
-	adds r0, r5, r0
-	ldr r1, =SpriteCallbackDummy
-	str r1, [r0]
-	mov r2, r9
-	ldr r0, [r2]
-	ldr r1, =0x00001053
-	adds r0, r1
-	movs r1, 0x1
-	strb r1, [r0]
-	adds r0, r4, 0
-	bl IsPokeSpriteNotFlipped
-	lsls r0, 24
-	cmp r0, 0
-	bne _0817A402
-	adds r0, r7, 0
-	adds r0, 0x10
-	adds r0, r5, r0
-	ldr r1, =gUnknown_085F05B0
-	str r1, [r0]
-	ldrb r3, [r6, 0x1]
-	movs r0, 0x3
-	orrs r3, r0
-	strb r3, [r6, 0x1]
-	lsrs r1, r3, 6
-	ldrb r2, [r6, 0x3]
-	lsrs r2, 6
-	lsls r3, 30
-	lsrs r3, 30
-	adds r0, r6, 0
-	bl CalcCenterToCornerVec
-	mov r2, r9
-	ldr r0, [r2]
-	ldr r1, =0x00001053
-	adds r0, r1
-	movs r1, 0
-	strb r1, [r0]
-_0817A402:
-	mov r0, r8
-	pop {r3,r4}
-	mov r8, r3
-	mov r9, r4
-	pop {r4-r7}
-	pop {r1}
-	bx r1
-	.pool
-	thumb_func_end sub_817A358
-
-	thumb_func_start sub_817A434
-sub_817A434: @ 817A434
-	lsls r0, 24
-	lsrs r0, 24
-	ldr r3, =gSprites
-	lsls r1, r0, 4
-	adds r1, r0
-	lsls r1, 2
-	adds r2, r1, r3
-	movs r0, 0x30
-	strh r0, [r2, 0x20]
-	movs r0, 0x50
-	strh r0, [r2, 0x22]
-	ldr r0, =0x0000fff8
-	strh r0, [r2, 0x2E]
-	movs r0, 0x1
-	strh r0, [r2, 0x30]
-	adds r3, 0x1C
-	adds r1, r3
-	ldr r0, =sub_817A468
-	str r0, [r1]
-	bx lr
-	.pool
-	thumb_func_end sub_817A434
-
-	thumb_func_start sub_817A468
-sub_817A468: @ 817A468
-	push {r4,lr}
-	adds r4, r0, 0
-	ldrh r0, [r4, 0x20]
-	adds r0, 0x4
-	strh r0, [r4, 0x20]
-	ldrh r0, [r4, 0x2E]
-	ldrh r2, [r4, 0x22]
-	adds r1, r0, r2
-	strh r1, [r4, 0x22]
-	ldrh r1, [r4, 0x30]
-	adds r0, r1
-	strh r0, [r4, 0x2E]
-	lsls r0, 16
-	cmp r0, 0
-	bne _0817A48E
-	ldrh r0, [r4, 0x32]
-	movs r1, 0
-	bl PlayCry1
-_0817A48E:
-	movs r1, 0x2E
-	ldrsh r0, [r4, r1]
-	cmp r0, 0x9
-	bne _0817A49A
-	ldr r0, =SpriteCallbackDummy
-	str r0, [r4, 0x1C]
-_0817A49A:
-	pop {r4}
-	pop {r0}
-	bx r0
-	.pool
-	thumb_func_end sub_817A468
-
-	thumb_func_start sub_817A4A4
-sub_817A4A4: @ 817A4A4
-	push {r4,r5,lr}
-	movs r0, 0xBC
-	movs r1, 0x64
-	movs r2, 0x2
-	bl sub_8136444
-	adds r4, r0, 0
-	lsls r4, 24
-	lsrs r4, 24
-	ldr r5, =gSprites
-	lsls r3, r4, 4
-	adds r3, r4
-	lsls r3, 2
-	adds r0, r3, r5
-	ldrb r2, [r0, 0x1]
-	movs r1, 0x4
-	negs r1, r1
-	ands r1, r2
-	movs r2, 0x1
-	orrs r1, r2
-	strb r1, [r0, 0x1]
-	adds r1, r5, 0
-	adds r1, 0x10
-	adds r1, r3, r1
-	ldr r2, =gUnknown_085F0664
-	str r2, [r1]
-	adds r5, 0x1C
-	adds r3, r5
-	ldr r1, =SpriteCallbackDummy
-	str r1, [r3]
-	bl InitSpriteAffineAnim
-	adds r0, r4, 0
-	pop {r4,r5}
-	pop {r1}
-	bx r1
-	.pool
-	thumb_func_end sub_817A4A4
-
-	thumb_func_start sub_817A4F8
-sub_817A4F8: @ 817A4F8
-	push {r4-r7,lr}
-	mov r7, r8
-	push {r7}
-	adds r5, r1, 0
-	lsls r0, 24
-	lsrs r7, r0, 24
-	lsls r5, 24
-	lsrs r5, 24
-	ldr r0, =gSprites
-	mov r8, r0
-	lsls r0, r7, 4
-	adds r0, r7
-	lsls r6, r0, 2
-	mov r0, r8
-	adds r4, r6, r0
-	ldrb r0, [r4, 0x3]
-	lsls r0, 26
-	lsrs r0, 27
-	bl FreeOamMatrix
-	ldrb r0, [r4, 0x1]
-	movs r1, 0x3
-	orrs r0, r1
-	strb r0, [r4, 0x1]
-	cmp r5, 0
-	bne _0817A540
-	mov r0, r8
-	adds r0, 0x10
-	adds r0, r6, r0
-	ldr r1, =gUnknown_085F0668
-	b _0817A548
-	.pool
-_0817A540:
-	mov r0, r8
-	adds r0, 0x10
-	adds r0, r6, r0
-	ldr r1, =gUnknown_085F066C
-_0817A548:
-	str r1, [r0]
-	lsls r0, r7, 4
-	adds r0, r7
-	lsls r0, 2
-	ldr r1, =gSprites
-	adds r0, r1
-	bl InitSpriteAffineAnim
-	pop {r3}
-	mov r8, r3
-	pop {r4-r7}
-	pop {r0}
-	bx r0
-	.pool
-	thumb_func_end sub_817A4F8
-
-	thumb_func_start sub_817A56C
-sub_817A56C: @ 817A56C
-	push {lr}
-	ldr r0, =gUnknown_085F06A8
-	movs r1, 0xAE
-	movs r2, 0x54
-	movs r3, 0x1
-	bl CreateSprite
-	lsls r0, 24
-	lsrs r0, 24
-	ldr r2, =gSprites
-	lsls r1, r0, 4
-	adds r1, r0
-	lsls r1, 2
-	adds r1, r2
-	ldr r2, =0x0000fff4
-	strh r2, [r1, 0x2E]
-	movs r2, 0x1
-	strh r2, [r1, 0x30]
-	pop {r1}
-	bx r1
-	.pool
-	thumb_func_end sub_817A56C
-
-	thumb_func_start sub_817A5A0
-sub_817A5A0: @ 817A5A0
-	push {lr}
-	adds r2, r0, 0
-	ldrh r0, [r2, 0x20]
-	subs r0, 0x4
-	strh r0, [r2, 0x20]
-	ldrh r0, [r2, 0x2E]
-	ldrh r3, [r2, 0x22]
-	adds r1, r0, r3
-	strh r1, [r2, 0x22]
-	ldrh r1, [r2, 0x30]
-	adds r0, r1
-	strh r0, [r2, 0x2E]
-	lsls r0, 16
-	asrs r0, 16
-	cmp r0, 0xA
-	bne _0817A5C6
-	adds r0, r2, 0
-	bl DestroySprite
-_0817A5C6:
-	pop {r0}
-	bx r0
-	thumb_func_end sub_817A5A0
 
 	thumb_func_start sub_817A5CC
 sub_817A5CC: @ 817A5CC
 	push {r4-r7,lr}
-	ldr r0, =gUnknown_0203BD18
+	ldr r0, =sPokeblockFeed
 	ldr r1, [r0]
 	ldr r0, =0x00001056
 	adds r3, r1, r0
@@ -1179,7 +60,7 @@ _0817A61A:
 	thumb_func_start sub_817A634
 sub_817A634: @ 817A634
 	push {r4,lr}
-	ldr r0, =gUnknown_0203BD18
+	ldr r0, =sPokeblockFeed
 	ldr r4, [r0]
 	ldr r1, =0x00001050
 	adds r0, r4, r1
@@ -1432,7 +313,7 @@ _0817A90E:
 	thumb_func_start sub_817A91C
 sub_817A91C: @ 817A91C
 	push {r4-r7,lr}
-	ldr r0, =gUnknown_0203BD18
+	ldr r0, =sPokeblockFeed
 	ldr r5, [r0]
 	movs r4, 0
 	movs r0, 0x83
@@ -1521,7 +402,7 @@ _0817A9DE:
 	thumb_func_start sub_817A9E4
 sub_817A9E4: @ 817A9E4
 	push {r4,r5,lr}
-	ldr r0, =gUnknown_0203BD18
+	ldr r0, =sPokeblockFeed
 	ldr r2, [r0]
 	ldr r1, =0x00001078
 	adds r0, r2, r1
@@ -1566,7 +447,7 @@ _0817AA36:
 	thumb_func_start sub_817AA3C
 sub_817AA3C: @ 817AA3C
 	push {lr}
-	ldr r0, =gUnknown_0203BD18
+	ldr r0, =sPokeblockFeed
 	ldr r0, [r0]
 	ldr r0, [r0]
 	bl FreeSpriteOamMatrix
@@ -1584,7 +465,7 @@ sub_817AA54: @ 817AA54
 	mov r5, r8
 	push {r5-r7}
 	sub sp, 0x14
-	ldr r0, =gUnknown_0203BD18
+	ldr r0, =sPokeblockFeed
 	ldr r7, [r0]
 	ldr r1, =0x00001070
 	adds r0, r7, r1
@@ -1717,7 +598,7 @@ sub_817AB68: @ 817AB68
 	mov r5, r8
 	push {r5-r7}
 	sub sp, 0x8
-	ldr r0, =gUnknown_0203BD18
+	ldr r0, =sPokeblockFeed
 	ldr r6, [r0]
 	movs r0, 0
 	str r0, [sp]
diff --git a/asm/pokemon_summary_screen.s b/asm/pokemon_summary_screen.s
index 4441767db..1f9d25c12 100755
--- a/asm/pokemon_summary_screen.s
+++ b/asm/pokemon_summary_screen.s
@@ -2351,7 +2351,7 @@ _081C51D6:
 	thumb_func_start sub_81C51DC
 sub_81C51DC: @ 81C51DC
 	push {lr}
-	bl sub_8121DA0
+	bl ResetVramOamAndBgCntRegs
 	movs r0, 0
 	bl ResetBgsAndClearDma3BusyFlags
 	ldr r1, =gUnknown_0861F2B4
@@ -2363,7 +2363,7 @@ sub_81C51DC: @ 81C51DC
 	adds r1, 0x4
 	movs r0, 0x2
 	bl SetBgTilemapBuffer
-	bl sub_8121E10
+	bl ResetAllBgsCoordinates
 	movs r0, 0x2
 	bl schedule_bg_copy_tilemap_to_vram
 	movs r1, 0x82
diff --git a/asm/rayquaza_scene.s b/asm/rayquaza_scene.s
index f9936f1ca..58380a354 100755
--- a/asm/rayquaza_scene.s
+++ b/asm/rayquaza_scene.s
@@ -1066,7 +1066,7 @@ sub_81D6FD0: @ 81D6FD0
 	thumb_func_start sub_81D6FE0
 sub_81D6FE0: @ 81D6FE0
 	push {r4,lr}
-	bl sub_8121DA0
+	bl ResetVramOamAndBgCntRegs
 	movs r0, 0
 	bl ResetBgsAndClearDma3BusyFlags
 	ldr r1, =gUnknown_0862A888
@@ -1088,7 +1088,7 @@ sub_81D6FE0: @ 81D6FE0
 	adds r1, r0
 	movs r0, 0x2
 	bl SetBgTilemapBuffer
-	bl sub_8121E10
+	bl ResetAllBgsCoordinates
 	movs r0, 0
 	bl schedule_bg_copy_tilemap_to_vram
 	movs r0, 0x1
@@ -2758,7 +2758,7 @@ _081D7E08:
 	thumb_func_start sub_81D7E10
 sub_81D7E10: @ 81D7E10
 	push {r4,lr}
-	bl sub_8121DA0
+	bl ResetVramOamAndBgCntRegs
 	movs r0, 0
 	bl ResetBgsAndClearDma3BusyFlags
 	ldr r1, =gUnknown_0862AA54
@@ -2780,7 +2780,7 @@ sub_81D7E10: @ 81D7E10
 	adds r1, r0
 	movs r0, 0x2
 	bl SetBgTilemapBuffer
-	bl sub_8121E10
+	bl ResetAllBgsCoordinates
 	movs r0, 0
 	bl schedule_bg_copy_tilemap_to_vram
 	movs r0, 0x1
@@ -3292,7 +3292,7 @@ _081D829A:
 	thumb_func_start sub_81D82B0
 sub_81D82B0: @ 81D82B0
 	push {r4,lr}
-	bl sub_8121DA0
+	bl ResetVramOamAndBgCntRegs
 	movs r0, 0
 	bl ResetBgsAndClearDma3BusyFlags
 	ldr r1, =gUnknown_0862AACC
@@ -3319,7 +3319,7 @@ sub_81D82B0: @ 81D82B0
 	adds r1, r0
 	movs r0, 0x3
 	bl SetBgTilemapBuffer
-	bl sub_8121E10
+	bl ResetAllBgsCoordinates
 	movs r0, 0
 	bl schedule_bg_copy_tilemap_to_vram
 	movs r0, 0x1
@@ -3899,7 +3899,7 @@ _081D8818:
 	thumb_func_start sub_81D8828
 sub_81D8828: @ 81D8828
 	push {r4,lr}
-	bl sub_8121DA0
+	bl ResetVramOamAndBgCntRegs
 	movs r0, 0
 	bl ResetBgsAndClearDma3BusyFlags
 	ldr r1, =gUnknown_0862AB44
@@ -3926,7 +3926,7 @@ sub_81D8828: @ 81D8828
 	adds r1, r0
 	movs r0, 0x3
 	bl SetBgTilemapBuffer
-	bl sub_8121E10
+	bl ResetAllBgsCoordinates
 	movs r0, 0
 	bl schedule_bg_copy_tilemap_to_vram
 	movs r0, 0x1
@@ -4354,7 +4354,7 @@ _081D8C26:
 	thumb_func_start sub_81D8C38
 sub_81D8C38: @ 81D8C38
 	push {r4,lr}
-	bl sub_8121DA0
+	bl ResetVramOamAndBgCntRegs
 	movs r0, 0
 	bl ResetBgsAndClearDma3BusyFlags
 	ldr r1, =gUnknown_0862AD08
@@ -4376,7 +4376,7 @@ sub_81D8C38: @ 81D8C38
 	adds r1, r0
 	movs r0, 0x2
 	bl SetBgTilemapBuffer
-	bl sub_8121E10
+	bl ResetAllBgsCoordinates
 	movs r0, 0
 	bl schedule_bg_copy_tilemap_to_vram
 	movs r0, 0x1
diff --git a/asm/rom6.s b/asm/rom6.s
index 430ed7ee9..b37a01c1f 100644
--- a/asm/rom6.s
+++ b/asm/rom6.s
@@ -728,7 +728,7 @@ _08135A9A:
 	movs r0, 0x38
 	movs r1, 0x40
 	movs r2, 0
-	bl sub_8136444
+	bl CreatePokeblockCaseSprite
 	ldr r1, =gUnknown_0203AB50
 	ldr r1, [r1]
 	ldr r2, =0x00000e74
@@ -859,7 +859,7 @@ _08135BD2:
 	thumb_func_start sub_8135BDC
 sub_8135BDC: @ 8135BDC
 	push {lr}
-	bl sub_8121DA0
+	bl ResetVramOamAndBgCntRegs
 	movs r0, 0
 	bl ResetBgsAndClearDma3BusyFlags
 	ldr r1, =gUnknown_085B2620
@@ -870,7 +870,7 @@ sub_8135BDC: @ 8135BDC
 	ldr r1, [r0]
 	movs r0, 0x2
 	bl SetBgTilemapBuffer
-	bl sub_8121E10
+	bl ResetAllBgsCoordinates
 	movs r0, 0x2
 	bl schedule_bg_copy_tilemap_to_vram
 	movs r1, 0x82
@@ -949,12 +949,12 @@ _08135CBC:
 	b _08135CDE
 	.pool
 _08135CCC:
-	ldr r0, =gUnknown_085B26F4
+	ldr r0, =gPokeblockCase_SpriteSheet
 	bl LoadCompressedObjectPic
 	b _08135CDE
 	.pool
 _08135CD8:
-	ldr r0, =gUnknown_085B26FC
+	ldr r0, =gPokeblockCase_SpritePal
 	bl LoadCompressedObjectPalette
 _08135CDE:
 	ldr r0, =gUnknown_0203AB50
@@ -1313,7 +1313,7 @@ _08136002:
 	lsls r1, r4, 24
 	lsrs r1, 24
 	mov r0, r8
-	bl sub_8136F9C
+	bl GetPokeblockData
 	lsls r0, 16
 	adds r7, r4, 0
 	cmp r0, 0
@@ -1842,8 +1842,8 @@ _08136436:
 	.pool
 	thumb_func_end sub_8136418
 
-	thumb_func_start sub_8136444
-sub_8136444: @ 8136444
+	thumb_func_start CreatePokeblockCaseSprite
+CreatePokeblockCaseSprite: @ 8136444
 	push {r4,r5,lr}
 	adds r4, r0, 0
 	adds r5, r1, 0
@@ -1864,7 +1864,7 @@ sub_8136444: @ 8136444
 	pop {r1}
 	bx r1
 	.pool
-	thumb_func_end sub_8136444
+	thumb_func_end CreatePokeblockCaseSprite
 
 	thumb_func_start sub_8136470
 sub_8136470: @ 8136470
@@ -2549,7 +2549,7 @@ sub_8136A74: @ 8136A74
 	ldr r0, [r2]
 	adds r0, r1
 	ldr r1, =sub_8136AA0
-	bl sub_8166204
+	bl ChooseMonToGivePokeblock
 	pop {r0}
 	bx r0
 	.pool
@@ -3000,7 +3000,7 @@ GetHighestPokeblocksFlavorLevel: @ 8136EA4
 	push {r4-r6,lr}
 	adds r6, r0, 0
 	movs r1, 0x1
-	bl sub_8136F9C
+	bl GetPokeblockData
 	lsls r0, 24
 	lsrs r5, r0, 24
 	movs r1, 0x1
@@ -3010,7 +3010,7 @@ _08136EB4:
 	lsrs r4, r0, 24
 	adds r0, r6, 0
 	adds r1, r4, 0
-	bl sub_8136F9C
+	bl GetPokeblockData
 	lsls r0, 24
 	lsrs r0, 24
 	cmp r5, r0
@@ -3030,7 +3030,7 @@ _08136ECC:
 GetPokeblocksFeel: @ 8136EDC
 	push {lr}
 	movs r1, 0x6
-	bl sub_8136F9C
+	bl GetPokeblockData
 	lsls r0, 24
 	lsrs r0, 24
 	cmp r0, 0x63
@@ -3130,8 +3130,8 @@ _08136F96:
 	bx r1
 	thumb_func_end sub_8136F68
 
-	thumb_func_start sub_8136F9C
-sub_8136F9C: @ 8136F9C
+	thumb_func_start GetPokeblockData
+GetPokeblockData: @ 8136F9C
 	push {lr}
 	lsls r1, 24
 	lsrs r1, 24
@@ -3175,7 +3175,7 @@ _08136FDC:
 _08136FDE:
 	pop {r1}
 	bx r1
-	thumb_func_end sub_8136F9C
+	thumb_func_end GetPokeblockData
 
 	thumb_func_start PokeblockGetGain
 PokeblockGetGain: @ 8136FE4
@@ -3198,7 +3198,7 @@ _08136FFE:
 	lsrs r5, r0, 24
 	mov r0, r8
 	adds r1, r5, 0
-	bl sub_8136F9C
+	bl GetPokeblockData
 	lsls r0, 16
 	asrs r1, r0, 16
 	cmp r1, 0
@@ -3229,12 +3229,12 @@ _0813702A:
 	.pool
 	thumb_func_end PokeblockGetGain
 
-	thumb_func_start sub_8137044
-sub_8137044: @ 8137044
+	thumb_func_start PokeblockCopyName
+PokeblockCopyName: @ 8137044
 	push {r4,lr}
 	adds r4, r1, 0
 	movs r1, 0
-	bl sub_8136F9C
+	bl GetPokeblockData
 	lsls r0, 24
 	ldr r1, =gPokeblockNames
 	lsrs r0, 22
@@ -3246,7 +3246,7 @@ sub_8137044: @ 8137044
 	pop {r0}
 	bx r0
 	.pool
-	thumb_func_end sub_8137044
+	thumb_func_end PokeblockCopyName
 
 	thumb_func_start sub_8137068
 sub_8137068: @ 8137068
@@ -3298,13 +3298,13 @@ _081370BC:
 	lsls r1, 24
 	lsrs r1, 24
 	adds r0, r5, 0
-	bl sub_8136F9C
+	bl GetPokeblockData
 	adds r4, r0, 0
 	adds r1, r6, 0x1
 	lsls r1, 24
 	lsrs r1, 24
 	adds r0, r5, 0
-	bl sub_8136F9C
+	bl GetPokeblockData
 	lsls r4, 16
 	lsls r0, 16
 	lsls r1, r6, 16
diff --git a/asm/roulette.s b/asm/roulette.s
index 009f30717..85d857f39 100644
--- a/asm/roulette.s
+++ b/asm/roulette.s
@@ -425,8 +425,8 @@ _08140618:
 	bl SetVBlankCallback
 	bl remove_some_task
 	bl SetVBlankHBlankCallbacksToNull
-	bl sub_8121DA0
-	bl sub_8121E10
+	bl ResetVramOamAndBgCntRegs
+	bl ResetAllBgsCoordinates
 	b _081407F8
 _08140630:
 	bl sub_8140388
@@ -3258,8 +3258,8 @@ sub_8141E7C: @ 8141E7C
 	ldr r0, =gSpriteCoordOffsetY
 	strh r4, [r0]
 	strh r4, [r1]
-	bl sub_8121DA0
-	bl sub_8121E10
+	bl ResetVramOamAndBgCntRegs
+	bl ResetAllBgsCoordinates
 	movs r0, 0x50
 	movs r1, 0
 	bl SetGpuReg
diff --git a/asm/use_pokeblock.s b/asm/use_pokeblock.s
index 4e278a22a..2e96b214a 100755
--- a/asm/use_pokeblock.s
+++ b/asm/use_pokeblock.s
@@ -6,325 +6,9 @@
 	.text
 
 
-	thumb_func_start sub_816624C
-sub_816624C: @ 816624C
-	push {r4,r5,lr}
-	ldr r4, =gUnknown_0203BCAC
-	ldr r0, =0x0000806c
-	bl AllocZeroed
-	str r0, [r4]
-	ldr r5, =gUnknown_0203BC90
-	ldr r1, =0x00007fd0
-	adds r0, r1
-	str r0, [r5]
-	ldr r1, =gUnknown_0203BC98
-	ldr r1, [r1]
-	str r1, [r0, 0x8]
-	ldr r1, =gUnknown_0203BC94
-	ldr r1, [r1]
-	str r1, [r0, 0x4]
-	ldr r4, =gUnknown_0203BC9C
-	ldrb r0, [r4]
-	bl sub_81672E4
-	strb r0, [r4]
-	ldr r5, [r5]
-	movs r1, 0
-	lsls r0, 24
-	lsrs r0, 24
-	cmp r0, 0x3
-	bls _08166284
-	movs r1, 0x1
-_08166284:
-	adds r0, r5, 0
-	adds r0, 0x56
-	strb r1, [r0]
-	ldr r0, =sub_8166380
-	bl sub_816636C
-	ldr r0, =sub_81662C0
-	bl SetMainCallback2
-	pop {r4,r5}
-	pop {r0}
-	bx r0
-	.pool
-	thumb_func_end sub_816624C
 
-	thumb_func_start sub_81662C0
-sub_81662C0: @ 81662C0
-	push {r4,lr}
-	ldr r4, =gUnknown_0203BC90
-	ldr r0, [r4]
-	ldr r0, [r0]
-	bl _call_via_r0
-	bl AnimateSprites
-	bl BuildOamBuffer
-	bl UpdatePaletteFade
-	ldr r4, [r4]
-	ldr r1, [r4]
-	ldr r0, =map_warp_consider_1_to_outside_or_stair_or_dive
-	cmp r1, r0
-	bne _081662F0
-	adds r0, r4, 0
-	adds r0, 0x50
-	movs r1, 0
-	strb r1, [r0]
-	ldr r0, =sub_8166304
-	bl SetMainCallback2
-_081662F0:
-	pop {r4}
-	pop {r0}
-	bx r0
-	.pool
-	thumb_func_end sub_81662C0
-
-	thumb_func_start sub_8166304
-sub_8166304: @ 8166304
-	push {lr}
-	bl sub_81668F8
-	bl AnimateSprites
-	bl BuildOamBuffer
-	bl UpdatePaletteFade
-	pop {r0}
-	bx r0
-	thumb_func_end sub_8166304
-
-	thumb_func_start sub_816631C
-sub_816631C: @ 816631C
-	push {lr}
-	ldr r0, =gUnknown_0203BC90
-	ldr r0, [r0]
-	ldr r0, [r0]
-	bl _call_via_r0
-	bl AnimateSprites
-	bl BuildOamBuffer
-	bl RunTextPrinters
-	bl UpdatePaletteFade
-	pop {r0}
-	bx r0
-	.pool
-	thumb_func_end sub_816631C
-
-	thumb_func_start sub_8166340
-sub_8166340: @ 8166340
-	push {lr}
-	bl LoadOam
-	bl ProcessSpriteCopyRequests
-	bl TransferPlttBuffer
-	ldr r0, =gUnknown_0203BCAC
-	ldr r0, [r0]
-	ldr r1, =0x00007c58
-	adds r0, r1
-	bl sub_81D2108
-	bl sub_80BA0A8
-	pop {r0}
-	bx r0
-	.pool
-	thumb_func_end sub_8166340
-
-	thumb_func_start sub_816636C
-sub_816636C: @ 816636C
-	ldr r1, =gUnknown_0203BC90
-	ldr r1, [r1]
-	str r0, [r1]
-	adds r1, 0x50
-	movs r0, 0
-	strb r0, [r1]
-	bx lr
-	.pool
-	thumb_func_end sub_816636C
-
-	thumb_func_start sub_8166380
-sub_8166380: @ 8166380
-	push {r4,r5,lr}
-	sub sp, 0x4
-	ldr r1, =gUnknown_0203BC90
-	ldr r0, [r1]
-	adds r0, 0x50
-	ldrb r0, [r0]
-	adds r2, r1, 0
-	cmp r0, 0xF
-	bls _08166394
-	b _08166556
-_08166394:
-	lsls r0, 2
-	ldr r1, =_081663A8
-	adds r0, r1
-	ldr r0, [r0]
-	mov pc, r0
-	.pool
-	.align 2, 0
-_081663A8:
-	.4byte _081663E8
-	.4byte _0816640C
-	.4byte _08166416
-	.4byte _08166434
-	.4byte _08166464
-	.4byte _08166468
-	.4byte _08166474
-	.4byte _08166484
-	.4byte _08166490
-	.4byte _0816649C
-	.4byte _081664B8
-	.4byte _081664BC
-	.4byte _081664E4
-	.4byte _08166510
-	.4byte _08166528
-	.4byte _08166550
-_081663E8:
-	ldr r2, =gUnknown_0203BCAC
-	ldr r0, [r2]
-	ldr r1, =0x00007b10
-	adds r0, r1
-	movs r1, 0xFF
-	strb r1, [r0]
-	ldr r0, [r2]
-	ldr r2, =0x00007c58
-	adds r0, r2
-	bl sub_81D1ED4
-	b _0816653C
-	.pool
-_0816640C:
-	bl ResetSpriteData
-	bl FreeAllSpritePalettes
-	b _0816653C
-_08166416:
-	movs r0, 0
-	bl SetVBlankCallback
-	movs r0, 0
-	str r0, [sp]
-	movs r1, 0xC0
-	lsls r1, 19
-	ldr r2, =0x05006000
-	mov r0, sp
-	bl CpuSet
-	b _0816653C
-	.pool
-_08166434:
-	movs r0, 0
-	bl ResetBgsAndClearDma3BusyFlags
-	ldr r1, =gUnknown_085DFCCC
-	movs r0, 0
-	movs r2, 0x4
-	bl InitBgsFromTemplates
-	ldr r0, =gUnknown_085DFCDC
-	bl InitWindows
-	bl DeactivateAllTextPrinters
-	movs r0, 0
-	movs r1, 0x97
-	movs r2, 0xE0
-	bl sub_809882C
-	b _0816653C
-	.pool
-_08166464:
-	ldr r1, [r2]
-	b _08166540
-_08166468:
-	bl sub_8168328
-	lsls r0, 24
-	cmp r0, 0
-	bne _08166556
-	b _0816653C
-_08166474:
-	ldr r1, =gKeyRepeatStartDelay
-	movs r0, 0x14
-	strh r0, [r1]
-	bl sub_8167420
-	b _0816653C
-	.pool
-_08166484:
-	bl sub_8167930
-	lsls r0, 24
-	cmp r0, 0
-	bne _08166556
-	b _0816653C
-_08166490:
-	movs r0, 0
-	bl sub_8167608
-	bl sub_8167760
-	b _0816653C
-_0816649C:
-	ldr r0, =gUnknown_0203BCAC
-	ldr r0, [r0]
-	ldr r1, =0x00007b0e
-	adds r0, r1
-	bl sub_81D312C
-	lsls r0, 24
-	cmp r0, 0
-	bne _08166556
-	b _0816653C
-	.pool
-_081664B8:
-	ldr r1, [r2]
-	b _08166540
-_081664BC:
-	ldr r5, =gUnknown_0203BCAC
-	ldr r1, [r5]
-	ldr r4, =0x00007c58
-	adds r0, r1, r4
-	ldr r2, =0x00007c6c
-	adds r1, r2
-	bl sub_81D2754
-	ldr r0, [r5]
-	adds r0, r4
-	bl sub_81D20AC
-	b _0816653C
-	.pool
-_081664E4:
-	ldr r4, =gUnknown_0203BCAC
-	ldr r0, [r4]
-	ldr r1, =0x00007c58
-	adds r0, r1
-	bl sub_81D20BC
-	lsls r0, 24
-	cmp r0, 0
-	bne _08166556
-	ldr r2, [r4]
-	ldr r1, =0x00007c58
-	adds r0, r2, r1
-	adds r1, 0x14
-	adds r2, r1
-	adds r1, r2, 0
-	bl sub_81D1F84
-	b _0816653C
-	.pool
-_08166510:
-	ldr r0, =gUnknown_0203BCAC
-	ldr r0, [r0]
-	ldr r2, =0x00007c58
-	adds r0, r2
-	bl sub_81D2230
-	b _0816653C
-	.pool
-_08166528:
-	movs r0, 0
-	bl PutWindowTilemap
-	movs r0, 0x1
-	bl PutWindowTilemap
-	movs r0, 0
-	movs r1, 0x1
-	bl sub_8167BA0
-_0816653C:
-	ldr r0, =gUnknown_0203BC90
-	ldr r1, [r0]
-_08166540:
-	adds r1, 0x50
-	ldrb r0, [r1]
-	adds r0, 0x1
-	strb r0, [r1]
-	b _08166556
-	.pool
-_08166550:
-	ldr r0, =map_warp_consider_1_to_outside_or_stair_or_dive
-	bl sub_816636C
-_08166556:
-	add sp, 0x4
-	pop {r4,r5}
-	pop {r0}
-	bx r0
-	.pool
-	thumb_func_end sub_8166380
-
-	thumb_func_start map_warp_consider_1_to_outside_or_stair_or_dive
-map_warp_consider_1_to_outside_or_stair_or_dive: @ 8166564
+	thumb_func_start sub_8166564
+sub_8166564: @ 8166564
 	push {r4,lr}
 	sub sp, 0x4
 	ldr r4, =gUnknown_0203BC90
@@ -407,7 +91,7 @@ _08166610:
 	pop {r0}
 	bx r0
 	.pool
-	thumb_func_end map_warp_consider_1_to_outside_or_stair_or_dive
+	thumb_func_end sub_8166564
 
 	thumb_func_start sub_8166634
 sub_8166634: @ 8166634
@@ -632,7 +316,7 @@ _08166838:
 	adds r0, r1
 	ldrb r0, [r0]
 	bl sub_81672A4
-	ldr r1, =gUnknown_0203BC9C
+	ldr r1, =gPokeblockMonId
 	strb r0, [r1]
 	ldr r1, =gUnknown_0203BC94
 	ldr r2, [r5]
@@ -684,9 +368,9 @@ _08166888:
 	str r5, [r4]
 	bl FreeAllWindowBuffers
 	ldr r1, =gMain
-	ldr r0, =sub_816624C
+	ldr r0, =CB2_ReturnAndChooseMonToGivePokeblock
 	str r0, [r1, 0x8]
-	bl sub_8179D70
+	bl CB2_PreparePokeblockFeedScene
 _081668D4:
 	add sp, 0x4
 	pop {r4,r5}
@@ -728,7 +412,7 @@ _0816693C:
 	ldr r0, [r0]
 	ldr r1, =0x00008041
 	adds r0, r1
-	ldr r1, =gUnknown_0203BC9C
+	ldr r1, =gPokeblockMonId
 	ldrb r0, [r0]
 	ldrb r1, [r1]
 	cmp r0, r1
@@ -1695,7 +1379,7 @@ sub_8167184: @ 8167184
 	adds r0, r3, 0
 	adds r0, 0x6E
 	strh r1, [r0]
-	ldr r0, =gUnknown_0203BC9E
+	ldr r0, =gPokeblockGain
 	movs r1, 0
 	ldrsh r0, [r0, r1]
 	cmp r0, 0
diff --git a/data/data2b.s b/data/data2b.s
index e723b4c97..a08461825 100644
--- a/data/data2b.s
+++ b/data/data2b.s
@@ -4803,14 +4803,14 @@ gBattleTerrainTable:: @ 831ABA8
 	.4byte gUnknown_08D7C10C
 
 	@ building
-	.4byte gUnknown_08D7C440
+	.4byte gBattleTerrainTiles_Building
 	.4byte gUnknown_08D7CA28
 	.4byte gUnknown_08D820D4
 	.4byte gUnknown_08D824E4
 	.4byte gUnknown_08D7DEB4
 
 	@ plain
-	.4byte gUnknown_08D7C440
+	.4byte gBattleTerrainTiles_Building
 	.4byte gUnknown_08D7CA28
 	.4byte gUnknown_08D820D4
 	.4byte gUnknown_08D824E4
diff --git a/data/data4c.s b/data/data4c.s
index b86cd2add..d6580c085 100644
--- a/data/data4c.s
+++ b/data/data4c.s
@@ -68,10 +68,10 @@ gUnknown_085B26A4:: @ 85B26A4
 gUnknown_085B26F0:: @ 85B26F0
 	.incbin "baserom.gba", 0x5b26f0, 0x4
 
-gUnknown_085B26F4:: @ 85B26F4
+gPokeblockCase_SpriteSheet:: @ 85B26F4
 	.incbin "baserom.gba", 0x5b26f4, 0x8
 
-gUnknown_085B26FC:: @ 85B26FC
+gPokeblockCase_SpritePal:: @ 85B26FC
 	.incbin "baserom.gba", 0x5b26fc, 0x8
 
 gUnknown_085B2704:: @ 85B2704
diff --git a/data/graphics.s b/data/graphics.s
index 72daf144f..7296ed0cc 100644
--- a/data/graphics.s
+++ b/data/graphics.s
@@ -331,10 +331,10 @@ gUnknown_08D7C154:: @ 8D7C154
 gUnknown_08D7C404:: @ 8D7C404
 	.incbin "baserom.gba", 0xd7c404, 0x3c
 
-gUnknown_08D7C440:: @ 8D7C440
+gBattleTerrainTiles_Building:: @ 8D7C440
 	.incbin "baserom.gba", 0xd7c440, 0x5ac
 
-gUnknown_08D7C9EC:: @ 8D7C9EC
+gBattleTerrainPalette_Frontier:: @ 8D7C9EC
 	.incbin "baserom.gba", 0xd7c9ec, 0x3c
 
 gUnknown_08D7CA28:: @ 8D7CA28
diff --git a/data/pokeblock_feed.s b/data/pokeblock_feed.s
index b4d3d192d..bbb429b03 100644
--- a/data/pokeblock_feed.s
+++ b/data/pokeblock_feed.s
@@ -21,23 +21,23 @@ gUnknown_085F0550:: @ 85F0550
 gUnknown_085F0558:: @ 85F0558
 	.incbin "baserom.gba", 0x5f0558, 0x10
 
-gUnknown_085F0568:: @ 85F0568
+sPokeblocksPals:: @ 85F0568
 	.incbin "baserom.gba", 0x5f0568, 0x48
 
-gUnknown_085F05B0:: @ 85F05B0
+sSpriteAffineAnimTable_85F05B0:: @ 85F05B0
 	.incbin "baserom.gba", 0x5f05b0, 0xb4
 
-gUnknown_085F0664:: @ 85F0664
+sSpriteAffineAnimTable_85F0664:: @ 85F0664
 	.incbin "baserom.gba", 0x5f0664, 0x4
 
-gUnknown_085F0668:: @ 85F0668
+sSpriteAffineAnimTable_85F0668:: @ 85F0668
 	.incbin "baserom.gba", 0x5f0668, 0x4
 
-gUnknown_085F066C:: @ 85F066C
+sSpriteAffineAnimTable_85F066C:: @ 85F066C
 	.incbin "baserom.gba", 0x5f066c, 0x34
 
-gUnknown_085F06A0:: @ 85F06A0
+gPokeblock_SpriteSheet:: @ 85F06A0
 	.incbin "baserom.gba", 0x5f06a0, 0x8
 
-gUnknown_085F06A8:: @ 85F06A8
+sThrownPokeblockSpriteTemplate:: @ 85F06A8
 	.incbin "baserom.gba", 0x5f06a8, 0x18
diff --git a/include/menu_helpers.h b/include/menu_helpers.h
index f083a10e2..4abe5c006 100644
--- a/include/menu_helpers.h
+++ b/include/menu_helpers.h
@@ -16,5 +16,9 @@ void sub_812225C(u16 *, u16 *, u8, u8);
 void sub_8122298(u16 *, u16 *, u8, u8, u8);
 void sub_8121F68(u8 taskId, const struct YesNoFuncTable *data);
 bool8 sub_81221AC(void);
+void ResetVramOamAndBgCntRegs(void);
+void SetVBlankHBlankCallbacksToNull(void);
+void ResetAllBgsCoordinates(void);
+bool16 RunTextPrintersRetIsActive(u8 textPrinterId);
 
 #endif //GUARD_MENU_HELPERS_H
diff --git a/include/party_menu.h b/include/party_menu.h
index c787bafb1..3756ef569 100644
--- a/include/party_menu.h
+++ b/include/party_menu.h
@@ -1,7 +1,8 @@
 #ifndef GUARD_PARTY_MENU_H
 #define GUARD_PARTY_MENU_H
 
-enum {
+enum
+{
     AILMENT_NONE,
     AILMENT_PSN,
     AILMENT_PRZ,
@@ -14,5 +15,6 @@ bool8 pokemon_has_move(struct Pokemon *, u16);
 void sub_81B58A8(void);
 void DoWallyTutorialBagMenu(void);
 u8 pokemon_ailments_get_primary(u32 status);
+u8 *GetMonNickname(struct Pokemon *mon, u8 *dst);
 
 #endif // GUARD_PARTY_MENU_H
diff --git a/include/pokeblock.h b/include/pokeblock.h
index a145cbada..4d869df86 100644
--- a/include/pokeblock.h
+++ b/include/pokeblock.h
@@ -1,6 +1,8 @@
 #ifndef GUARD_POKEBLOCK_H
 #define GUARD_POKEBLOCK_H
 
+#define TAG_POKEBLOCK_GFX 0x39E2
+
 enum
 {
     PBLOCK_CLR_BLACK,
@@ -22,12 +24,22 @@ enum
     PBLOCK_FEEL,
 };
 
+// use pokeblock
+void ChooseMonToGivePokeblock(struct Pokeblock *pokeblock, void (*callback)(void));
+
+// pokeblock feed
+void CB2_PreparePokeblockFeedScene(void);
+
+// pokeblock
+u8 CreatePokeblockCaseSprite(s16 x, s16 y, u8 subpriority);
+u8 GetPokeblockData(const struct Pokeblock *pokeblock, u8 dataId);
 void ClearPokeblocks(void);
 s8 GetFirstFreePokeblockSlot(void);
 bool32 AddPokeblock(struct Pokeblock *pokeblock);
 u8 GetHighestPokeblocksFlavorLevel(const struct Pokeblock *pokeblock);
 u8 GetPokeblocksFeel(const struct Pokeblock *pokeblock);
 u8 GetPokeblocksFlavor(const struct Pokeblock *pokeblock);
-s16 PokeblockGetGain(u8, const struct Pokeblock *);
+s16 PokeblockGetGain(u8, const struct Pokeblock *pokeblock);
+void PokeblockCopyName(const struct Pokeblock *pokeblock, u8 *dst);
 
 #endif // GUARD_POKEBLOCK_H
diff --git a/include/pokenav.h b/include/pokenav.h
index 06676610a..8e1ec52bd 100644
--- a/include/pokenav.h
+++ b/include/pokenav.h
@@ -2,5 +2,15 @@
 #define GUARD_POKENAV_H
 
 bool8 sub_81D5C18(void);
+bool8 sub_81D20BC(void *arg0);
+bool8 sub_81D312C(void *arg0);
+void sub_81D1ED4(void *arg0);
+void sub_81D2108(void *arg0);
+void sub_81D20AC(void *arg0);
+void sub_81D2230(void *arg0);
+void sub_81D3464(void *arg0);
+void sub_81D3480(void *arg0, u8 arg1);
+void sub_81D2754(void *arg0, void *arg1);
+void sub_81D1F84(void *arg0, void *arg1, void *arg2);
 
 #endif //GUARD_POKENAV_H
diff --git a/include/strings.h b/include/strings.h
index a2745d382..d9e5921a1 100644
--- a/include/strings.h
+++ b/include/strings.h
@@ -84,5 +84,8 @@ extern const u8 gText_RegisteredDataDeleted[];
 extern const u8 gUnknown_085EA79D[];
 extern const u8 gText_PkmnFainted3[];
 extern const u8 gText_Coins[];
+extern const u8 gText_Var1AteTheVar2[];
+extern const u8 gText_Var1HappilyAteVar2[];
+extern const u8 gText_Var1DisdainfullyAteVar2[];
 
 #endif //GUARD_STRINGS_H
diff --git a/include/text_window.h b/include/text_window.h
index da3fb301e..0af007397 100644
--- a/include/text_window.h
+++ b/include/text_window.h
@@ -3,8 +3,8 @@
 
 struct TilesPal
 {
-    u32* tiles;
-    u16* pal;
+    u32 *tiles;
+    u16 *pal;
 };
 
 const struct TilesPal* sub_8098758(u8 id);
diff --git a/ld_script.txt b/ld_script.txt
index 3d28740b1..3c1959482 100644
--- a/ld_script.txt
+++ b/ld_script.txt
@@ -222,6 +222,7 @@ SECTIONS {
         asm/mystery_event_menu.o(.text);
         src/save_failed_screen.o(.text);
         src/braille_puzzles.o(.text);
+        src/pokeblock_feed.o(.text);
         asm/pokeblock_feed.o(.text);
         src/clear_save_data_screen.o(.text);
         asm/intro_credits_graphics.o(.text);
diff --git a/src/pokeblock_feed.c b/src/pokeblock_feed.c
new file mode 100644
index 000000000..1f2125016
--- /dev/null
+++ b/src/pokeblock_feed.c
@@ -0,0 +1,472 @@
+#include "global.h"
+#include "pokeblock.h"
+#include "sprite.h"
+#include "task.h"
+#include "palette.h"
+#include "menu.h"
+#include "malloc.h"
+#include "pokemon.h"
+#include "blend_palette.h"
+#include "main.h"
+#include "menu_helpers.h"
+#include "bg.h"
+#include "gpu_regs.h"
+#include "data2.h"
+#include "decompress.h"
+#include "event_data.h"
+#include "strings.h"
+#include "string_util.h"
+#include "new_menu_helpers.h"
+#include "party_menu.h"
+#include "m4a.h"
+#include "sound.h"
+#include "battle.h" // to get rid of once gMonSpritesGfxPtr is put elsewhere
+
+struct PokeblockFeedStruct
+{
+    u8 field_0[0x48];
+    u8 tilemapBuffer[0x1008];
+    u8 field_1050;
+    u8 field_1051;
+    u8 field_1052;
+    bool8 noMonFlip;
+    u16 species;
+    u16 field_1056;
+    u16 field_1058;
+    u8 nature;
+    u8 monSpriteId_;
+    u8 field_105C;
+    u8 monSpriteId;
+    u8 pokeblockCaseSpriteId;
+    u8 pokeblockSpriteId;
+    u8 field_1060[0x1E];
+    s16 loadGfxState;
+    u8 somefield[2];
+};
+
+extern u8 gPokeblockMonId;
+extern u16 gSpecialVar_ItemId;
+extern s16 gPokeblockGain;
+extern struct MusicPlayerInfo gMPlay_BGM;
+extern struct SpriteTemplate gUnknown_0202499C;
+
+extern struct PokeblockFeedStruct *sPokeblockFeed;
+extern struct CompressedSpritePalette sPokeblockSpritePal;
+
+extern bool8 sub_81221EC(void);
+extern void sub_806A068(u16, u8);
+
+// this file's functions
+static void HandleInitBackgrounds(void);
+static void HandleInitWindows(void);
+static bool8 LoadMonAndSceneGfx(struct Pokemon *mon);
+u8 CreatePokeblockCaseSpriteForFeeding(void);
+static u8 CreateMonSprite(struct Pokemon *mon);
+void LaunchPokeblockFeedTask(void);
+static void SetPokeblockSpritePal(u8 pokeblockCaseId);
+void sub_817A5CC(void);
+void sub_8148108(u8 spriteId, bool8 a1);
+u8 CreatePokeblockSprite(void);
+void DoPokeblockCaseThrowEffect(u8 spriteId, bool8 arg1);
+static void PrepareMonToMoveToPokeblock(u8 spriteId);
+void Task_HandleMonAtePokeblock(u8 taskId);
+void Task_PaletteFadeToReturn(u8 taskId);
+void sub_817A634(void);
+static void sub_817A468(struct Sprite *sprite);
+
+static void CB2_PokeblockFeed(void)
+{
+    RunTasks();
+    AnimateSprites();
+    BuildOamBuffer();
+    do_scheduled_bg_tilemap_copies_to_vram();
+    UpdatePaletteFade();
+}
+
+static void VBlankCB_PokeblockFeed(void)
+{
+    LoadOam();
+    ProcessSpriteCopyRequests();
+    TransferPlttBuffer();
+}
+
+bool8 TransitionToPokeblockFeedScene(void)
+{
+    switch (gMain.state)
+    {
+    case 0:
+        sPokeblockFeed = AllocZeroed(sizeof(*sPokeblockFeed));
+        SetVBlankHBlankCallbacksToNull();
+        clear_scheduled_bg_copies_to_vram();
+        gMain.state++;
+        break;
+    case 1:
+        ResetPaletteFade();
+        gPaletteFade.bufferTransferDisabled = 1;
+        gMain.state++;
+        break;
+    case 2:
+        ResetSpriteData();
+        gMain.state++;
+        break;
+    case 3:
+        FreeAllSpritePalettes();
+        gMain.state++;
+        break;
+    case 4:
+        AllocateMonSpritesGfx();
+        gMain.state++;
+        break;
+    case 5:
+        HandleInitBackgrounds();
+        gMain.state++;
+        break;
+    case 6:
+        HandleInitWindows();
+        gMain.state++;
+        break;
+    case 7:
+        if (LoadMonAndSceneGfx(&gPlayerParty[gPokeblockMonId]))
+        {
+            gMain.state++;
+        }
+        break;
+    case 8:
+        sPokeblockFeed->pokeblockCaseSpriteId = CreatePokeblockCaseSpriteForFeeding();
+        gMain.state++;
+        break;
+    case 9:
+        sPokeblockFeed->monSpriteId = CreateMonSprite(&gPlayerParty[gPokeblockMonId]);
+        gMain.state++;
+        break;
+    case 10:
+        SetWindowBorderStyle(0, 1, 1, 14);
+        gMain.state++;
+        break;
+    case 11:
+        LaunchPokeblockFeedTask();
+        gMain.state++;
+        break;
+    case 12:
+        BlendPalettes(-1, 0x10, 0);
+        gMain.state++;
+        break;
+    case 13:
+        BeginNormalPaletteFade(-1, 0, 0x10, 0, 0);
+        gPaletteFade.bufferTransferDisabled = 0;
+        gMain.state++;
+        break;
+    default:
+        SetVBlankCallback(VBlankCB_PokeblockFeed);
+        SetMainCallback2(CB2_PokeblockFeed);
+        return TRUE;
+    }
+    return FALSE;
+}
+
+void CB2_PreparePokeblockFeedScene(void)
+{
+    while (1)
+    {
+        if (sub_81221EC() == TRUE)
+            break;
+        if (TransitionToPokeblockFeedScene() == TRUE)
+            break;
+        if (sub_81221AC() == TRUE)
+            break;
+    }
+}
+
+extern const struct BgTemplate gUnknown_085F0550[2];
+extern const u8 gBattleTerrainPalette_Frontier[];
+extern const u8 gBattleTerrainTiles_Building[];
+extern const u8 gUnknown_08D9BA44[];
+extern const struct CompressedSpriteSheet gPokeblockCase_SpriteSheet;
+extern const struct CompressedSpriteSheet gPokeblock_SpriteSheet;
+extern const struct CompressedSpritePalette gPokeblockCase_SpritePal;
+extern const struct CompressedSpriteSheet gMonFrontPicTable[];
+extern const struct WindowTemplate gUnknown_085F0558[];
+extern const u16 gUnknown_0860F074[];
+extern const u8 *sPokeblocksPals[];
+extern const union AffineAnimCmd * const sSpriteAffineAnimTable_85F05B0[];
+extern const union AffineAnimCmd * const sSpriteAffineAnimTable_85F0664[];
+extern const union AffineAnimCmd * const sSpriteAffineAnimTable_85F0668[];
+extern const union AffineAnimCmd * const sSpriteAffineAnimTable_85F066C[];
+extern const struct SpriteTemplate sThrownPokeblockSpriteTemplate;
+
+static void HandleInitBackgrounds(void)
+{
+    ResetVramOamAndBgCntRegs();
+
+    ResetBgsAndClearDma3BusyFlags(0);
+    InitBgsFromTemplates(0, gUnknown_085F0550, ARRAY_COUNT(gUnknown_085F0550));
+    SetBgTilemapBuffer(1, sPokeblockFeed->tilemapBuffer);
+    ResetAllBgsCoordinates();
+    schedule_bg_copy_tilemap_to_vram(1);
+
+    SetGpuReg(REG_OFFSET_DISPCNT, DISPCNT_OBJ_ON | DISPCNT_OBJ_1D_MAP);
+
+    ShowBg(0);
+    ShowBg(1);
+
+    SetGpuReg(REG_OFFSET_BLDCNT, 0);
+}
+
+static bool8 LoadMonAndSceneGfx(struct Pokemon *mon)
+{
+    u16 species;
+    u32 personality, trainerId;
+    const struct CompressedSpritePalette *palette;
+
+    switch (sPokeblockFeed->loadGfxState)
+    {
+    case 0:
+        species = GetMonData(mon, MON_DATA_SPECIES2);
+        personality = GetMonData(mon, MON_DATA_PERSONALITY);
+        HandleLoadSpecialPokePic_2(&gMonFrontPicTable[species], gMonSpritesGfxPtr->sprites[1], species, personality);
+        sPokeblockFeed->loadGfxState++;
+        break;
+    case 1:
+        species = GetMonData(mon, MON_DATA_SPECIES2);
+        personality = GetMonData(mon, MON_DATA_PERSONALITY);
+        trainerId = GetMonData(mon, MON_DATA_OT_ID);
+        palette = GetMonSpritePalStructFromOtIdPersonality(species, trainerId, personality);
+
+        LoadCompressedObjectPalette(palette);
+        sub_806A068(palette->tag, 1);
+        sPokeblockFeed->loadGfxState++;
+        break;
+    case 2:
+        LoadCompressedObjectPic(&gPokeblockCase_SpriteSheet);
+        sPokeblockFeed->loadGfxState++;
+        break;
+    case 3:
+        LoadCompressedObjectPalette(&gPokeblockCase_SpritePal);
+        sPokeblockFeed->loadGfxState++;
+        break;
+    case 4:
+        LoadCompressedObjectPic(&gPokeblock_SpriteSheet);
+        sPokeblockFeed->loadGfxState++;
+        break;
+    case 5:
+        SetPokeblockSpritePal(gSpecialVar_ItemId);
+        LoadCompressedObjectPalette(&sPokeblockSpritePal);
+        sPokeblockFeed->loadGfxState++;
+        break;
+    case 6:
+        reset_temp_tile_data_buffers();
+        decompress_and_copy_tile_data_to_vram(1, gBattleTerrainTiles_Building, 0, 0, 0);
+        sPokeblockFeed->loadGfxState++;
+        break;
+    case 7:
+        if (free_temp_tile_data_buffers_if_possible() != TRUE)
+        {
+            LZDecompressWram(gUnknown_08D9BA44, sPokeblockFeed->tilemapBuffer);
+            sPokeblockFeed->loadGfxState++;
+        }
+        break;
+    case 8:
+        LoadCompressedPalette(gBattleTerrainPalette_Frontier, 0x20, 0x60);
+        sPokeblockFeed->loadGfxState = 0;
+        return TRUE;
+    }
+
+    return FALSE;
+}
+
+extern void sub_809882C(u8, u16, u8);
+
+static void HandleInitWindows(void)
+{
+    InitWindows(gUnknown_085F0558);
+    DeactivateAllTextPrinters();
+    sub_809882C(0, 1, 0xE0);
+    LoadPalette(gUnknown_0860F074, 0xF0, 0x20);
+    FillWindowPixelBuffer(0, 0);
+    PutWindowTilemap(0);
+    schedule_bg_copy_tilemap_to_vram(0);
+}
+
+static void SetPokeblockSpritePal(u8 pokeblockCaseId)
+{
+    u8 colorId = GetPokeblockData(&gSaveBlock1Ptr->pokeblocks[pokeblockCaseId], PBLOCK_COLOR);
+    sPokeblockSpritePal.data = sPokeblocksPals[colorId - 1];
+    sPokeblockSpritePal.tag = TAG_POKEBLOCK_GFX;
+}
+
+#define tFrames     data[0]
+#define tData1      data[1]
+
+void Task_HandlePokeblockFeed(u8 taskId)
+{
+    if (!gPaletteFade.active)
+    {
+        switch (gTasks[taskId].tFrames)
+        {
+        case 0:
+            sPokeblockFeed->field_1050 = 0;
+            sPokeblockFeed->field_1058 = 0;
+            sub_817A5CC();
+            break;
+        case 255:
+            DoPokeblockCaseThrowEffect(sPokeblockFeed->pokeblockCaseSpriteId, gTasks[taskId].tData1);
+            break;
+        case 269:
+            sPokeblockFeed->pokeblockSpriteId = CreatePokeblockSprite();
+            break;
+        case 281:
+            PrepareMonToMoveToPokeblock(sPokeblockFeed->monSpriteId);
+            break;
+        case 297:
+            gTasks[taskId].func = Task_HandleMonAtePokeblock;
+            return;
+        }
+
+        if (sPokeblockFeed->field_1058 < sPokeblockFeed->field_1056)
+            sub_817A634();
+        else if (sPokeblockFeed->field_1058 == sPokeblockFeed->field_1056)
+            gTasks[taskId].tFrames = 254;
+
+        sPokeblockFeed->field_1058++;
+        gTasks[taskId].tFrames++;
+    }
+}
+
+void LaunchPokeblockFeedTask(void)
+{
+    u8 taskId = CreateTask(Task_HandlePokeblockFeed, 0);
+    gTasks[taskId].tFrames = 0;
+    gTasks[taskId].tData1 = 1;
+}
+
+void Task_WaitForAtePokeblockText(u8 taskId)
+{
+    if (RunTextPrintersRetIsActive(0) != TRUE)
+        gTasks[taskId].func = Task_PaletteFadeToReturn;
+}
+
+void Task_HandleMonAtePokeblock(u8 taskId)
+{
+    struct Pokemon *mon = &gPlayerParty[gPokeblockMonId];
+    struct Pokeblock *pokeblock = &gSaveBlock1Ptr->pokeblocks[gSpecialVar_ItemId];
+
+    gPokeblockGain = PokeblockGetGain(GetNature(mon), pokeblock);
+    GetMonNickname(mon, gStringVar1);
+    PokeblockCopyName(pokeblock, gStringVar2);
+
+    if (gPokeblockGain == 0)
+        StringExpandPlaceholders(gStringVar4, gText_Var1AteTheVar2);
+    else if (gPokeblockGain > 0)
+        StringExpandPlaceholders(gStringVar4, gText_Var1HappilyAteVar2);
+    else
+        StringExpandPlaceholders(gStringVar4, gText_Var1DisdainfullyAteVar2);
+
+    gTextFlags.flag_0 = 1;
+    AddTextPrinterParametrized(0, 1, gStringVar4, GetPlayerTextSpeed(), NULL, 2, 1, 3);
+    gTasks[taskId].func = Task_WaitForAtePokeblockText;
+}
+
+void Task_ReturnAfterPaletteFade(u8 taskId)
+{
+    if (!gPaletteFade.active)
+    {
+        ResetSpriteData();
+        FreeAllSpritePalettes();
+        m4aMPlayVolumeControl(&gMPlay_BGM, -1, 256);
+        SetMainCallback2(gMain.savedCallback);
+        DestroyTask(taskId);
+        FreeAllWindowBuffers();
+        Free(sPokeblockFeed);
+        FreeMonSpritesGfx();
+    }
+}
+
+void Task_PaletteFadeToReturn(u8 taskId)
+{
+    BeginNormalPaletteFade(-1, 0, 0, 0x10, 0);
+    gTasks[taskId].func = Task_ReturnAfterPaletteFade;
+}
+
+static u8 CreateMonSprite(struct Pokemon* mon)
+{
+    u16 species = GetMonData(mon, MON_DATA_SPECIES2);
+    u8 spriteId = CreateSprite(&gUnknown_0202499C, 48, 80, 2);
+
+    sPokeblockFeed->species = species;
+    sPokeblockFeed->monSpriteId_ = spriteId;
+    sPokeblockFeed->nature = GetNature(mon);
+    gSprites[spriteId].data2 = species;
+    gSprites[spriteId].callback = SpriteCallbackDummy;
+
+    sPokeblockFeed->noMonFlip = TRUE;
+    if (!IsPokeSpriteNotFlipped(species))
+    {
+        gSprites[spriteId].affineAnims = sSpriteAffineAnimTable_85F05B0;
+        gSprites[spriteId].oam.affineMode = 3;
+        CalcCenterToCornerVec(&gSprites[spriteId], gSprites[spriteId].oam.shape, gSprites[spriteId].oam.size, gSprites[spriteId].oam.affineMode);
+        sPokeblockFeed->noMonFlip = FALSE;
+    }
+
+    return spriteId;
+}
+
+static void PrepareMonToMoveToPokeblock(u8 spriteId)
+{
+    gSprites[spriteId].pos1.x = 48;
+    gSprites[spriteId].pos1.y = 80;
+    gSprites[spriteId].data0 = -8;
+    gSprites[spriteId].data1 = 1;
+    gSprites[spriteId].callback = sub_817A468;
+}
+
+static void sub_817A468(struct Sprite* sprite)
+{
+    sprite->pos1.x += 4;
+    sprite->pos1.y += sprite->data0;
+    sprite->data0 += sprite->data1;
+
+    if (sprite->data0 == 0)
+        PlayCry1(sprite->data2, 0);
+    if (sprite->data0 == 9)
+        sprite->callback = SpriteCallbackDummy;
+}
+
+u8 CreatePokeblockCaseSpriteForFeeding(void)
+{
+    u8 spriteId = CreatePokeblockCaseSprite(188, 100, 2);
+    gSprites[spriteId].oam.affineMode = 1;
+    gSprites[spriteId].affineAnims = sSpriteAffineAnimTable_85F0664;
+    gSprites[spriteId].callback = SpriteCallbackDummy;
+    InitSpriteAffineAnim(&gSprites[spriteId]);
+    return spriteId;
+}
+
+void DoPokeblockCaseThrowEffect(u8 spriteId, bool8 a1)
+{
+    FreeOamMatrix(gSprites[spriteId].oam.matrixNum);
+    gSprites[spriteId].oam.affineMode = 3;
+
+    if (!a1)
+        gSprites[spriteId].affineAnims = sSpriteAffineAnimTable_85F0668;
+    else
+        gSprites[spriteId].affineAnims = sSpriteAffineAnimTable_85F066C;
+
+    InitSpriteAffineAnim(&gSprites[spriteId]);
+}
+
+u8 CreatePokeblockSprite(void)
+{
+    u8 spriteId = CreateSprite(&sThrownPokeblockSpriteTemplate, 174, 84, 1);
+    gSprites[spriteId].data0 = -12;
+    gSprites[spriteId].data1 = 1;
+    return spriteId;
+}
+
+static void SpriteCB_ThrownPokeblock(struct Sprite* sprite)
+{
+    sprite->pos1.x -= 4;
+    sprite->pos1.y += sprite->data0;
+    sprite->data0 += sprite->data1;
+    if (sprite->data0 == 10)
+        DestroySprite(sprite);
+}
diff --git a/src/pokemon_summary_screen.c b/src/pokemon_summary_screen.c
index e9cd3e215..f45e1f07e 100755
--- a/src/pokemon_summary_screen.c
+++ b/src/pokemon_summary_screen.c
@@ -73,7 +73,7 @@ extern void do_scheduled_bg_tilemap_copies_to_vram(void);
 extern u8 sub_81221EC();
 extern u8 sub_81221AC();
 extern void SetVBlankHBlankCallbacksToNull();
-extern void sub_8121DA0();
+extern void ResetVramOamAndBgCntRegs();
 extern void clear_scheduled_bg_copies_to_vram();
 extern void remove_some_task();
 extern void ResetBgsAndClearDma3BusyFlags(u32 leftoverFireRedLeafGreenVariable);
@@ -193,7 +193,7 @@ void sub_81C4A88();
 void sub_81C4280();
 void sub_81C0510(u8 taskId);
 void sub_81C171C(u8 taskId);
-void sub_8121E10();
+void ResetAllBgsCoordinates();
 u8 sub_81B205C(struct Pokemon* a);
 void sub_81C1DA4(u16 a, s16 b);
 void sub_81C1EFC(u16 a, s16 b, u16 c);
@@ -450,7 +450,7 @@ bool8 sub_81BFB10(void)
     {
     case 0:
         SetVBlankHBlankCallbacksToNull();
-        sub_8121DA0();
+        ResetVramOamAndBgCntRegs();
         clear_scheduled_bg_copies_to_vram();
         gMain.state++;
         break;
@@ -578,7 +578,7 @@ void sub_81BFE24()
     SetBgTilemapBuffer(1, &gUnknown_0203CF1C->unkTilemap2);
     SetBgTilemapBuffer(2, &gUnknown_0203CF1C->unkTilemap1);
     SetBgTilemapBuffer(3, &gUnknown_0203CF1C->unkTilemap0);
-    sub_8121E10();
+    ResetAllBgsCoordinates();
     schedule_bg_copy_tilemap_to_vram(1);
     schedule_bg_copy_tilemap_to_vram(2);
     schedule_bg_copy_tilemap_to_vram(3);
diff --git a/src/use_pokeblock.c b/src/use_pokeblock.c
index 7057b0528..64d1cb4a5 100644
--- a/src/use_pokeblock.c
+++ b/src/use_pokeblock.c
@@ -2,29 +2,69 @@
 #include "main.h"
 #include "pokeblock.h"
 #include "malloc.h"
+#include "palette.h"
+#include "pokenav.h"
+#include "unknown_task.h"
+#include "text.h"
+#include "bg.h"
+#include "window.h"
+#include "text_window.h"
 
 struct UsePokeblockSubStruct
 {
-    void *field_0;
+    void (*field_0)(void);
     void (*callback)(void);
     struct Pokeblock *pokeblock;
+    struct Pokemon *pokemon;
+    u8 stringBuffer[0x40];
+    u8 field_50;
+    u8 field_51;
+    u8 field_52;
+    u8 field_53;
+    u8 field_54;
+    u8 field_55;
+    u8 field_56;
+    u8 field_57[5];
+    u8 field_5c[5];
+    u8 field_61[5];
+    s16 field_66[5];
 };
 
-struct UsePokeblockStruct1
+struct UsePokeblockStruct
 {
-    u8 field_0[0x7FD0];
+    u8 field_0[0x7C58];
+    u8 field_7C58[0x378];
     struct UsePokeblockSubStruct info;
 };
 
-extern struct UsePokeblockStruct1 *gUnknown_0203BCAC;
+extern struct UsePokeblockStruct *gUnknown_0203BCAC;
 extern struct UsePokeblockSubStruct *gUnknown_0203BC90;
+extern struct Pokeblock *gUnknown_0203BC98;
+extern void (*gUnknown_0203BC94)(void);
+extern u8 gPokeblockMonId;
+
+extern u16 gKeyRepeatStartDelay;
 
 // this file's functions
-void sub_816636C(void *arg0);
+void sub_816636C(void (*func)(void));
 void sub_8166380(void);
 void sub_816631C(void);
+void sub_81662C0(void);
+void sub_8166564(void);
+void sub_8166304(void);
+void sub_81668F8(void);
+void sub_8167420(void);
+void sub_8167760(void);
+u8 sub_81672E4(u8 arg0);
+bool8 sub_8168328(void);
+bool8 sub_8167930(void);
+void sub_8167608(u8 arg0);
+void sub_8167BA0(u16 arg0, u8 copyToVramMode);
 
-void sub_8166204(struct Pokeblock *pokeblock, void (*callback)(void))
+extern const struct BgTemplate gUnknown_085DFCCC[4];
+extern const struct WindowTemplate gUnknown_085DFCDC[];
+
+void ChooseMonToGivePokeblock(struct Pokeblock *pokeblock, void (*callback)(void))
 {
     gUnknown_0203BCAC = AllocZeroed(0x806C);
     gUnknown_0203BC90 = &gUnknown_0203BCAC->info;
@@ -33,3 +73,149 @@ void sub_8166204(struct Pokeblock *pokeblock, void (*callback)(void))
     sub_816636C(sub_8166380);
     SetMainCallback2(sub_816631C);
 }
+
+void CB2_ReturnAndChooseMonToGivePokeblock(void)
+{
+    gUnknown_0203BCAC = AllocZeroed(0x806C);
+    gUnknown_0203BC90 = &gUnknown_0203BCAC->info;
+    gUnknown_0203BC90->pokeblock = gUnknown_0203BC98;
+    gUnknown_0203BC90->callback = gUnknown_0203BC94;
+    gPokeblockMonId = sub_81672E4(gPokeblockMonId);
+    gUnknown_0203BC90->field_56 = gPokeblockMonId < 4 ? 0 : 1;
+    sub_816636C(sub_8166380);
+    SetMainCallback2(sub_81662C0);
+}
+
+void sub_81662C0(void)
+{
+    gUnknown_0203BC90->field_0();
+    AnimateSprites();
+    BuildOamBuffer();
+    UpdatePaletteFade();
+    if (gUnknown_0203BC90->field_0 == sub_8166564)
+    {
+        gUnknown_0203BC90->field_50 = 0;
+        SetMainCallback2(sub_8166304);
+    }
+}
+
+void sub_8166304(void)
+{
+    sub_81668F8();
+    AnimateSprites();
+    BuildOamBuffer();
+    UpdatePaletteFade();
+}
+
+void sub_816631C(void)
+{
+    gUnknown_0203BC90->field_0();
+    AnimateSprites();
+    BuildOamBuffer();
+    RunTextPrinters();
+    UpdatePaletteFade();
+}
+
+void sub_8166340(void)
+{
+    LoadOam();
+    ProcessSpriteCopyRequests();
+    TransferPlttBuffer();
+    sub_81D2108(gUnknown_0203BCAC->field_7C58);
+    sub_80BA0A8();
+}
+
+void sub_816636C(void (*func)(void))
+{
+    gUnknown_0203BC90->field_0 = func;
+    gUnknown_0203BC90->field_50 = 0;
+}
+
+void sub_8166380(void)
+{
+    switch (gUnknown_0203BC90->field_50)
+    {
+        case 0:
+            gUnknown_0203BCAC->field_0[0x7B10] = 0xFF;
+            sub_81D1ED4(gUnknown_0203BCAC->field_7C58);
+            gUnknown_0203BC90->field_50++;
+            break;
+        case 1:
+            ResetSpriteData();
+            FreeAllSpritePalettes();
+            gUnknown_0203BC90->field_50++;
+            break;
+        case 2:
+            SetVBlankCallback(NULL);
+            CpuFill32(0, (void*)(VRAM), VRAM_SIZE);
+            gUnknown_0203BC90->field_50++;
+            break;
+        case 3:
+            ResetBgsAndClearDma3BusyFlags(0);
+            InitBgsFromTemplates(0, gUnknown_085DFCCC, ARRAY_COUNT(gUnknown_085DFCCC));
+            InitWindows(gUnknown_085DFCDC);
+            DeactivateAllTextPrinters();
+            sub_809882C(0, 0x97, 0xE0);
+            gUnknown_0203BC90->field_50++;
+            break;
+        case 4:
+            gUnknown_0203BC90->field_50++;
+            break;
+        case 5:
+            if (!sub_8168328())
+            {
+                gUnknown_0203BC90->field_50++;
+            }
+            break;
+        case 6:
+            gKeyRepeatStartDelay = 20;
+            sub_8167420();
+            gUnknown_0203BC90->field_50++;
+            break;
+        case 7:
+            if (!sub_8167930())
+            {
+                gUnknown_0203BC90->field_50++;
+            }
+            break;
+        case 8:
+            sub_8167608(0);
+            sub_8167760();
+            gUnknown_0203BC90->field_50++;
+            break;
+        case 9:
+            if (!sub_81D312C(&gUnknown_0203BCAC->field_0[0x7B0E]))
+            {
+                gUnknown_0203BC90->field_50++;
+            }
+            break;
+        case 10:
+            gUnknown_0203BC90->field_50++;
+            break;
+        case 11:
+            sub_81D2754(gUnknown_0203BCAC->field_7C58, &gUnknown_0203BCAC->field_0[0x7C6C]);
+            sub_81D20AC(gUnknown_0203BCAC->field_7C58);
+            gUnknown_0203BC90->field_50++;
+            break;
+        case 12:
+            if (!sub_81D20BC(gUnknown_0203BCAC->field_7C58))
+            {
+                sub_81D1F84(gUnknown_0203BCAC->field_7C58, &gUnknown_0203BCAC->field_7C58[0x14], &gUnknown_0203BCAC->field_7C58[0x14]);
+                gUnknown_0203BC90->field_50++;
+            }
+            break;
+        case 13:
+            sub_81D2230(gUnknown_0203BCAC->field_7C58);
+            gUnknown_0203BC90->field_50++;
+            break;
+        case 14:
+            PutWindowTilemap(0);
+            PutWindowTilemap(1);
+            sub_8167BA0(0, 1);
+            gUnknown_0203BC90->field_50++;
+            break;
+        case 15:
+            sub_816636C(sub_8166564);
+            break;
+    }
+}
diff --git a/sym_ewram.txt b/sym_ewram.txt
index ee47f8e37..2e7538615 100644
--- a/sym_ewram.txt
+++ b/sym_ewram.txt
@@ -1315,10 +1315,10 @@ gUnknown_0203BC94: @ 203BC94
 gUnknown_0203BC98: @ 203BC98
 	.space 0x4
 
-gUnknown_0203BC9C: @ 203BC9C
+gPokeblockMonId: @ 203BC9C
 	.space 0x2
 
-gUnknown_0203BC9E: @ 203BC9E
+gPokeblockGain: @ 203BC9E
 	.space 0x2
 
 gUnknown_0203BCA0: @ 203BCA0
@@ -1393,10 +1393,10 @@ gUnknown_0203BCF8: @ 203BCF8
 gBraillePuzzleCallbackFlag: @ 203BD14
 	.space 0x4
 
-gUnknown_0203BD18: @ 203BD18
+sPokeblockFeed: @ 203BD18
 	.space 0x4
 
-gUnknown_0203BD1C: @ 203BD1C
+sPokeblockSpritePal: @ 203BD1C
 	.space 0x8
 
 gUnknown_0203BD24: @ 203BD24