teachy_tv and minor update to match DizzyEgg's struct def

16 files changed, 272 insertions, 433 deletions

diff --git a/asm/berry_pouch.s b/asm/berry_pouch.s
index 762938e3c..9e53e6624 100644
--- a/asm/berry_pouch.s
+++ b/asm/berry_pouch.s
@@ -183,7 +183,7 @@ _0813CE84:
 	.4byte _0813CFB0
 	.4byte _0813CFBE
 _0813CED0:
-	bl sub_80BF768
+	bl VblankHblankHandlerSetZero
 	bl clear_scheduled_bg_copies_to_vram
 	b _0813CFD2
 _0813CEDA:
@@ -386,7 +386,7 @@ _0813D078: .4byte gUnknown_203F370
 	thumb_func_start sub_813D07C
 sub_813D07C: @ 813D07C
 	push {r4,lr}
-	bl sub_80BF7C8
+	bl InitBgReg
 	ldr r4, _0813D0DC @ =gUnknown_203F36C
 	ldr r0, [r4]
 	adds r0, 0xC
diff --git a/asm/item_menu.s b/asm/item_menu.s
index 46891fe94..3a665b61e 100644
--- a/asm/item_menu.s
+++ b/asm/item_menu.s
@@ -253,7 +253,7 @@ _08107F60:
 	.4byte _081080D8
 	.4byte _081080DE
 _08107FB0:
-	bl sub_80BF768
+	bl VblankHblankHandlerSetZero
 	bl clear_scheduled_bg_copies_to_vram
 	b _08108104
 _08107FBA:
@@ -520,7 +520,7 @@ _081081CC: .4byte gUnknown_203AD1C
 	thumb_func_start sub_81081D0
 sub_81081D0: @ 81081D0
 	push {r4,r5,lr}
-	bl sub_80BF7C8
+	bl InitBgReg
 	ldr r5, _08108230 @ =gUnknown_203AD14
 	movs r4, 0x80
 	lsls r4, 4
diff --git a/asm/item_pc.s b/asm/item_pc.s
index e7a9f8ee5..aab19813a 100644
--- a/asm/item_pc.s
+++ b/asm/item_pc.s
@@ -158,7 +158,7 @@ _0810D4E8:
 	.4byte _0810D630
 	.4byte _0810D668
 _0810D53C:
-	bl sub_80BF768
+	bl VblankHblankHandlerSetZero
 	bl clear_scheduled_bg_copies_to_vram
 	b _0810D674
 _0810D546:
@@ -389,7 +389,7 @@ _0810D718: .4byte gUnknown_203ADCC
 	thumb_func_start sub_810D71C
 sub_810D71C: @ 810D71C
 	push {r4,r5,lr}
-	bl sub_80BF7C8
+	bl InitBgReg
 	ldr r5, _0810D77C @ =gUnknown_203ADC0
 	movs r4, 0x80
 	lsls r4, 4
diff --git a/asm/menu_helpers.s b/asm/menu_helpers.s
index 792bed5cf..ad020b660 100644
--- a/asm/menu_helpers.s
+++ b/asm/menu_helpers.s
@@ -418,8 +418,8 @@ _080BF764:
 	bx r1
 	thumb_func_end sub_80BF748
 
-	thumb_func_start sub_80BF768
-sub_80BF768: @ 80BF768
+	thumb_func_start VblankHblankHandlerSetZero
+VblankHblankHandlerSetZero: @ 80BF768
 	push {lr}
 	movs r0, 0
 	bl SetVBlankCallback
@@ -427,13 +427,13 @@ sub_80BF768: @ 80BF768
 	bl SetHBlankCallback
 	pop {r0}
 	bx r0
-	thumb_func_end sub_80BF768
+	thumb_func_end VblankHblankHandlerSetZero
 
 	thumb_func_start sub_80BF77C
 sub_80BF77C: @ 80BF77C
 	push {r4,lr}
 	sub sp, 0xC
-	bl sub_80BF7C8
+	bl InitBgReg
 	mov r1, sp
 	movs r0, 0
 	strh r0, [r1]
@@ -465,8 +465,8 @@ _080BF7C0: .4byte 0x05000100
 _080BF7C4: .4byte 0x01000200
 	thumb_func_end sub_80BF77C
 
-	thumb_func_start sub_80BF7C8
-sub_80BF7C8: @ 80BF7C8
+	thumb_func_start InitBgReg
+InitBgReg: @ 80BF7C8
 	push {lr}
 	movs r0, 0
 	movs r1, 0
@@ -517,7 +517,7 @@ sub_80BF7C8: @ 80BF7C8
 	bl ChangeBgY
 	pop {r0}
 	bx r0
-	thumb_func_end sub_80BF7C8
+	thumb_func_end InitBgReg
 
 	thumb_func_start sub_80BF848
 sub_80BF848: @ 80BF848
diff --git a/asm/party_menu.s b/asm/party_menu.s
index 2aaa52985..13ca24a2f 100644
--- a/asm/party_menu.s
+++ b/asm/party_menu.s
@@ -276,7 +276,7 @@ _0811EC24:
 	.4byte _0811EDD0
 	.4byte _0811EDDE
 _0811EC80:
-	bl sub_80BF768
+	bl VblankHblankHandlerSetZero
 	bl sub_80BF77C
 	bl clear_scheduled_bg_copies_to_vram
 	b _0811EDFC
@@ -565,7 +565,7 @@ _0811EEC8: .4byte gUnknown_203B0B8
 	thumb_func_start sub_811EECC
 sub_811EECC: @ 811EECC
 	push {r4,r5,lr}
-	bl sub_80BF7C8
+	bl InitBgReg
 	ldr r5, _0811EF34 @ =gUnknown_203B0BC
 	movs r4, 0x80
 	lsls r4, 4
diff --git a/asm/shop.s b/asm/shop.s
index 525fbbc45..0cbaf1206 100644
--- a/asm/shop.s
+++ b/asm/shop.s
@@ -515,7 +515,7 @@ _0809AEA0: .4byte gTasks
 _0809AEA4: .4byte sub_809AE00
 _0809AEA8: .4byte sub_809ADE4
 _0809AEAC:
-	bl sub_80BF768
+	bl VblankHblankHandlerSetZero
 	str r4, [sp, 0x8]
 	movs r1, 0xE0
 	lsls r1, 19
diff --git a/asm/teachy_tv.s b/asm/teachy_tv.s
index 482b5da60..8320d951c 100644
--- a/asm/teachy_tv.s
+++ b/asm/teachy_tv.s
@@ -5,382 +5,6 @@
 
 	.text
 
-	thumb_func_start sub_815AB94
-sub_815AB94: @ 815AB94
-	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_815AB94
-
-	thumb_func_start sub_815ABB0
-sub_815ABB0: @ 815ABB0
-	push {lr}
-	bl LoadOam
-	bl ProcessSpriteCopyRequests
-	bl TransferPlttBuffer
-	pop {r0}
-	bx r0
-	thumb_func_end sub_815ABB0
-
-	thumb_func_start sub_815ABC4
-sub_815ABC4: @ 815ABC4
-	push {r4,lr}
-	lsls r0, 24
-	lsrs r0, 24
-	adds r2, r0, 0
-	ldr r3, _0815ABF4 @ =gTeachyTV_StaticResources
-	movs r4, 0
-	strb r2, [r3, 0x4]
-	str r1, [r3]
-	cmp r2, 0
-	bne _0815ABE0
-	movs r0, 0
-	strh r4, [r3, 0x6]
-	strh r4, [r3, 0x8]
-	strb r0, [r3, 0x5]
-_0815ABE0:
-	cmp r2, 0x1
-	bne _0815ABE6
-	strb r4, [r3, 0x4]
-_0815ABE6:
-	ldr r0, _0815ABF8 @ =sub_815AC2C
-	bl SetMainCallback2
-	pop {r4}
-	pop {r0}
-	bx r0
-	.align 2, 0
-_0815ABF4: .4byte gTeachyTV_StaticResources
-_0815ABF8: .4byte sub_815AC2C
-	thumb_func_end sub_815ABC4
-
-	thumb_func_start CB2_ReturnToTeachyTV
-CB2_ReturnToTeachyTV: @ 815ABFC
-	push {lr}
-	ldr r1, _0815AC10 @ =gTeachyTV_StaticResources
-	ldrb r0, [r1, 0x4]
-	cmp r0, 0x1
-	bne _0815AC14
-	ldr r1, [r1]
-	movs r0, 0x1
-	bl sub_815ABC4
-	b _0815AC1C
-	.align 2, 0
-_0815AC10: .4byte gTeachyTV_StaticResources
-_0815AC14:
-	ldr r1, [r1]
-	movs r0, 0x2
-	bl sub_815ABC4
-_0815AC1C:
-	pop {r0}
-	bx r0
-	thumb_func_end CB2_ReturnToTeachyTV
-
-	thumb_func_start sub_815AC20
-sub_815AC20: @ 815AC20
-	ldr r1, _0815AC28 @ =gTeachyTV_StaticResources
-	movs r0, 0x1
-	strb r0, [r1, 0x4]
-	bx lr
-	.align 2, 0
-_0815AC28: .4byte gTeachyTV_StaticResources
-	thumb_func_end sub_815AC20
-
-	thumb_func_start sub_815AC2C
-sub_815AC2C: @ 815AC2C
-	push {r4-r6,lr}
-	sub sp, 0x4
-	ldr r0, _0815AC44 @ =gMain
-	movs r1, 0x87
-	lsls r1, 3
-	adds r6, r0, r1
-	ldrb r5, [r6]
-	cmp r5, 0
-	beq _0815AC48
-	cmp r5, 0x1
-	beq _0815AC9C
-	b _0815AD6E
-	.align 2, 0
-_0815AC44: .4byte gMain
-_0815AC48:
-	ldr r4, _0815AC90 @ =gUnknown_203F450
-	ldr r0, _0815AC94 @ =0x00004008
-	bl AllocZeroed
-	str r0, [r4]
-	str r5, [r0]
-	ldr r1, _0815AC98 @ =0x00004006
-	adds r0, r1
-	strb r5, [r0]
-	ldr r0, [r4]
-	adds r1, 0x1
-	adds r0, r1
-	movs r1, 0xFF
-	strb r1, [r0]
-	bl sub_80BF768
-	bl clear_scheduled_bg_copies_to_vram
-	bl ScanlineEffect_Stop
-	bl FreeAllSpritePalettes
-	bl ResetPaletteFade
-	bl ResetSpriteData
-	bl ResetTasks
-	bl sub_815AD88
-	bl sub_815AE38
-	ldrb r0, [r6]
-	adds r0, 0x1
-	strb r0, [r6]
-	b _0815AD6E
-	.align 2, 0
-_0815AC90: .4byte gUnknown_203F450
-_0815AC94: .4byte 0x00004008
-_0815AC98: .4byte 0x00004006
-_0815AC9C:
-	bl free_temp_tile_data_buffers_if_possible
-	lsls r0, 24
-	lsrs r0, 24
-	cmp r0, 0x1
-	beq _0815AD6E
-	bl sub_815AEB8
-	bl sub_815AFEC
-	ldr r0, _0815ACE0 @ =gTeachyTV_StaticResources
-	ldrb r0, [r0, 0x4]
-	cmp r0, 0x2
-	bne _0815ACEC
-	ldr r0, _0815ACE4 @ =sub_815BA54
-	movs r1, 0
-	bl CreateTask
-	lsls r0, 24
-	lsrs r5, r0, 24
-	bl sub_815B014
-	ldr r2, _0815ACE8 @ =gTasks
-	lsls r1, r5, 2
-	adds r1, r5
-	lsls r1, 3
-	adds r1, r2
-	lsls r0, 24
-	lsrs r0, 24
-	strh r0, [r1, 0xA]
-	adds r0, r5, 0
-	bl sub_815B118
-	b _0815AD26
-	.align 2, 0
-_0815ACE0: .4byte gTeachyTV_StaticResources
-_0815ACE4: .4byte sub_815BA54
-_0815ACE8: .4byte gTasks
-_0815ACEC:
-	ldr r0, _0815AD78 @ =sub_815B2C0
-	movs r1, 0
-	bl CreateTask
-	lsls r0, 24
-	lsrs r5, r0, 24
-	bl sub_815AEE8
-	ldr r1, _0815AD7C @ =gTasks
-	lsls r4, r5, 2
-	adds r4, r5
-	lsls r4, 3
-	adds r4, r1
-	lsls r0, 24
-	lsrs r0, 24
-	strh r0, [r4, 0x8]
-	bl sub_815B014
-	lsls r0, 24
-	lsrs r0, 24
-	strh r0, [r4, 0xA]
-	bl sub_815AF5C
-	movs r0, 0xAD
-	lsls r0, 1
-	bl PlayNewMapMusic
-	bl sub_815B094
-_0815AD26:
-	movs r0, 0
-	bl schedule_bg_copy_tilemap_to_vram
-	movs r0, 0x1
-	bl schedule_bg_copy_tilemap_to_vram
-	movs r0, 0x2
-	bl schedule_bg_copy_tilemap_to_vram
-	movs r0, 0x3
-	bl schedule_bg_copy_tilemap_to_vram
-	movs r0, 0x9
-	bl sub_812B1E0
-	movs r4, 0x1
-	negs r4, r4
-	adds r0, r4, 0
-	movs r1, 0x10
-	movs r2, 0
-	bl BlendPalettes
-	movs r0, 0
-	str r0, [sp]
-	adds r0, r4, 0
-	movs r1, 0
-	movs r2, 0x10
-	movs r3, 0
-	bl BeginNormalPaletteFade
-	ldr r0, _0815AD80 @ =sub_815ABB0
-	bl SetVBlankCallback
-	ldr r0, _0815AD84 @ =sub_815AB94
-	bl SetMainCallback2
-_0815AD6E:
-	add sp, 0x4
-	pop {r4-r6}
-	pop {r0}
-	bx r0
-	.align 2, 0
-_0815AD78: .4byte sub_815B2C0
-_0815AD7C: .4byte gTasks
-_0815AD80: .4byte sub_815ABB0
-_0815AD84: .4byte sub_815AB94
-	thumb_func_end sub_815AC2C
-
-	thumb_func_start sub_815AD88
-sub_815AD88: @ 815AD88
-	push {r4,lr}
-	bl sub_80BF7C8
-	movs r0, 0
-	bl ResetBgsAndClearDma3BusyFlags
-	ldr r1, _0815AE20 @ =gUnknown_84792E0
-	movs r0, 0
-	movs r2, 0x4
-	bl InitBgsFromTemplates
-	ldr r4, _0815AE24 @ =gUnknown_203F450
-	ldr r1, [r4]
-	adds r1, 0x4
-	movs r0, 0x1
-	bl SetBgTilemapBuffer
-	ldr r1, [r4]
-	ldr r0, _0815AE28 @ =0x00001004
-	adds r1, r0
-	movs r0, 0x2
-	bl SetBgTilemapBuffer
-	ldr r1, [r4]
-	ldr r0, _0815AE2C @ =0x00002004
-	adds r1, r0
-	movs r0, 0x3
-	bl SetBgTilemapBuffer
-	movs r1, 0xC1
-	lsls r1, 6
-	movs r0, 0
-	bl SetGpuReg
-	movs r0, 0
-	bl ShowBg
-	movs r0, 0x1
-	bl ShowBg
-	movs r0, 0x2
-	bl ShowBg
-	movs r0, 0x3
-	bl ShowBg
-	movs r1, 0x80
-	lsls r1, 5
-	movs r0, 0x3
-	movs r2, 0x2
-	bl ChangeBgX
-	movs r1, 0xA0
-	lsls r1, 6
-	movs r0, 0x3
-	movs r2, 0x1
-	bl ChangeBgY
-	ldr r0, [r4]
-	ldr r1, _0815AE30 @ =0x00004004
-	adds r0, r1
-	movs r1, 0
-	strb r1, [r0]
-	ldr r0, [r4]
-	ldr r1, _0815AE34 @ =0x00004005
-	adds r0, r1
-	movs r1, 0x3
-	strb r1, [r0]
-	movs r0, 0x50
-	movs r1, 0
-	bl SetGpuReg
-	pop {r4}
-	pop {r0}
-	bx r0
-	.align 2, 0
-_0815AE20: .4byte gUnknown_84792E0
-_0815AE24: .4byte gUnknown_203F450
-_0815AE28: .4byte 0x00001004
-_0815AE2C: .4byte 0x00002004
-_0815AE30: .4byte 0x00004004
-_0815AE34: .4byte 0x00004005
-	thumb_func_end sub_815AD88
-
-	thumb_func_start sub_815AE38
-sub_815AE38: @ 815AE38
-	push {r4,lr}
-	sub sp, 0x8
-	movs r4, 0
-	add r0, sp, 0x4
-	strh r4, [r0]
-	bl reset_temp_tile_data_buffers
-	ldr r1, _0815AE98 @ =gUnknown_8E86240
-	str r4, [sp]
-	movs r0, 0x1
-	movs r2, 0
-	movs r3, 0
-	bl decompress_and_copy_tile_data_to_vram
-	ldr r0, _0815AE9C @ =gUnknown_8E86BE8
-	ldr r4, _0815AEA0 @ =gUnknown_203F450
-	ldr r1, [r4]
-	adds r1, 0x4
-	bl LZDecompressWram
-	ldr r0, _0815AEA4 @ =gUnknown_8E86D6C
-	ldr r1, [r4]
-	ldr r2, _0815AEA8 @ =0x00003004
-	adds r1, r2
-	bl LZDecompressWram
-	ldr r0, _0815AEAC @ =gUnknown_8E86F98
-	movs r1, 0
-	movs r2, 0x80
-	bl LoadCompressedPalette
-	add r0, sp, 0x4
-	movs r1, 0
-	movs r2, 0x2
-	bl LoadPalette
-	ldr r0, _0815AEB0 @ =gUnknown_83A5348
-	bl LoadSpritePalette
-	ldr r0, [r4]
-	ldr r1, _0815AEB4 @ =0x00002004
-	adds r0, r1
-	bl sub_815BD80
-	add sp, 0x8
-	pop {r4}
-	pop {r0}
-	bx r0
-	.align 2, 0
-_0815AE98: .4byte gUnknown_8E86240
-_0815AE9C: .4byte gUnknown_8E86BE8
-_0815AEA0: .4byte gUnknown_203F450
-_0815AEA4: .4byte gUnknown_8E86D6C
-_0815AEA8: .4byte 0x00003004
-_0815AEAC: .4byte gUnknown_8E86F98
-_0815AEB0: .4byte gUnknown_83A5348
-_0815AEB4: .4byte 0x00002004
-	thumb_func_end sub_815AE38
-
-	thumb_func_start sub_815AEB8
-sub_815AEB8: @ 815AEB8
-	push {lr}
-	ldr r0, _0815AEE4 @ =gUnknown_84792F0
-	bl InitWindows
-	bl DeactivateAllTextPrinters
-	movs r0, 0
-	movs r1, 0xCC
-	bl FillWindowPixelBuffer
-	movs r0, 0
-	bl PutWindowTilemap
-	movs r0, 0x1
-	bl PutWindowTilemap
-	movs r0, 0
-	movs r1, 0x2
-	bl CopyWindowToVram
-	pop {r0}
-	bx r0
-	.align 2, 0
-_0815AEE4: .4byte gUnknown_84792F0
-	thumb_func_end sub_815AEB8
-
 	thumb_func_start sub_815AEE8
 sub_815AEE8: @ 815AEE8
 	push {r4,r5,lr}
@@ -459,7 +83,7 @@ _0815AF7C: .4byte gUnknown_203F450
 _0815AF80: .4byte 0x00004007
 _0815AF84:
 	ldr r0, _0815AF9C @ =gUnknown_8479380
-	ldr r1, _0815AFA0 @ =gUnknown_203F44A
+	ldr r1, _0815AFA0 @ =gTeachyTV_StaticResources+6
 	bl AddScrollIndicatorArrowPair
 	ldr r1, _0815AFA4 @ =gUnknown_203F450
 	ldr r1, [r1]
@@ -471,7 +95,7 @@ _0815AF96:
 	bx r0
 	.align 2, 0
 _0815AF9C: .4byte gUnknown_8479380
-_0815AFA0: .4byte gUnknown_203F44A
+_0815AFA0: .4byte gTeachyTV_StaticResources+6
 _0815AFA4: .4byte gUnknown_203F450
 _0815AFA8: .4byte 0x00004007
 	thumb_func_end sub_815AF5C
@@ -515,8 +139,8 @@ _0815AFE8:
 	bx r0
 	thumb_func_end sub_815AFD8
 
-	thumb_func_start sub_815AFEC
-sub_815AFEC: @ 815AFEC
+	thumb_func_start TeachyTvInitIo
+TeachyTvInitIo: @ 815AFEC
 	push {lr}
 	movs r0, 0x48
 	movs r1, 0x3F
@@ -532,10 +156,10 @@ sub_815AFEC: @ 815AFEC
 	bl SetGpuReg
 	pop {r0}
 	bx r0
-	thumb_func_end sub_815AFEC
+	thumb_func_end TeachyTvInitIo
 
-	thumb_func_start sub_815B014
-sub_815B014: @ 815B014
+	thumb_func_start TeachyTvSetupObj
+TeachyTvSetupObj: @ 815B014
 	push {lr}
 	sub sp, 0x4
 	ldr r1, _0815B054 @ =SpriteCallbackDummy
@@ -570,7 +194,7 @@ sub_815B014: @ 815B014
 	.align 2, 0
 _0815B054: .4byte SpriteCallbackDummy
 _0815B058: .4byte gSprites
-	thumb_func_end sub_815B014
+	thumb_func_end TeachyTvSetupObj
 
 	thumb_func_start sub_815B05C
 sub_815B05C: @ 815B05C
@@ -673,8 +297,8 @@ _0815B0DE:
 _0815B114: .4byte 0x0000301f
 	thumb_func_end sub_815B0CC
 
-	thumb_func_start sub_815B118
-sub_815B118: @ 815B118
+	thumb_func_start TeachyTvConfigRboxAndObj
+TeachyTvConfigRboxAndObj: @ 815B118
 	push {r4-r7,lr}
 	sub sp, 0x4
 	lsls r0, 24
@@ -761,7 +385,7 @@ _0815B1B8:
 	pop {r4-r7}
 	pop {r0}
 	bx r0
-	thumb_func_end sub_815B118
+	thumb_func_end TeachyTvConfigRboxAndObj
 
 	thumb_func_start sub_815B1DC
 sub_815B1DC: @ 815B1DC
@@ -903,7 +527,7 @@ sub_815B2C0: @ 815B2C0
 	bl ListMenuHandleInput
 	adds r5, r0, 0
 	ldrb r0, [r6]
-	ldr r4, _0815B324 @ =gUnknown_203F44A
+	ldr r4, _0815B324 @ =gTeachyTV_StaticResources+6
 	adds r2, r4, 0x2
 	adds r1, r4, 0
 	bl get_coro_args_x18_x1A
@@ -930,7 +554,7 @@ _0815B30A:
 	.align 2, 0
 _0815B31C: .4byte gTasks+0x8
 _0815B320: .4byte gPaletteFade
-_0815B324: .4byte gUnknown_203F44A
+_0815B324: .4byte gTeachyTV_StaticResources+6
 _0815B328: .4byte gMain
 _0815B32C: .4byte UseFameCheckerFromMenu
 _0815B330:
@@ -1854,8 +1478,8 @@ _0815BA4E:
 	bx r0
 	thumb_func_end sub_815BA30
 
-	thumb_func_start sub_815BA54
-sub_815BA54: @ 815BA54
+	thumb_func_start TeachyTvTaskFunction
+TeachyTvTaskFunction: @ 815BA54
 	push {r4,lr}
 	lsls r0, 24
 	lsrs r0, 24
@@ -1891,7 +1515,7 @@ _0815BA90: .4byte gPaletteFade
 _0815BA94: .4byte gUnknown_8479390
 _0815BA98: .4byte gTeachyTV_StaticResources
 _0815BA9C: .4byte sub_815B4EC
-	thumb_func_end sub_815BA54
+	thumb_func_end TeachyTvTaskFunction
 
 	thumb_func_start sub_815BAA0
 sub_815BAA0: @ 815BAA0
diff --git a/include/fame_checker.h b/include/fame_checker.h
index 257431d8b..af705e34f 100644
--- a/include/fame_checker.h
+++ b/include/fame_checker.h
@@ -41,7 +41,7 @@ extern u8 gIconDescriptionBoxIsOpen;
 
 void ResetFameChecker(void);
 void FullyUnlockFameChecker(void);
-void UseFameChecker(MainCallback savedCallback);
+void UseFameChecker(void (*)());
 void SetFlavorTextFlagFromSpecialVars(void);
 void UpdatePickStateFromSpecialVar8005(void);
 
diff --git a/include/list_menu.h b/include/list_menu.h
index 8ff65da0b..1c632e89c 100644
--- a/include/list_menu.h
+++ b/include/list_menu.h
@@ -9,8 +9,8 @@
 
 struct ListMenuItem
 {
-    const u8 *unk_00;
-    s32 unk_04;
+    const u8 *name;
+    s32 id;
 };
 
 struct ListMenu;
@@ -43,7 +43,7 @@ struct ListMenu {
     u16 selectedRow;
     u8 unk_1C;
     u8 unk_1D;
-    u8 unk_1E;
+    u8 taskId;
     u8 unk_1F;
 };
 
diff --git a/include/menu_helpers.h b/include/menu_helpers.h
index e27fb4e5d..892636ba0 100644
--- a/include/menu_helpers.h
+++ b/include/menu_helpers.h
@@ -20,8 +20,8 @@ void sub_8121F68(u8 taskId, const struct YesNoFuncTable *data);
 bool8 sub_81221AC(void);
 bool8 sub_80BF72C(void);
 bool8 sub_80BF708(void);
-void sub_80BF768(void);
-void sub_80BF7C8(void);
+void VblankHblankHandlerSetZero(void);
+void InitBgReg(void);
 u8 sub_80BF8E4(void);
 u8 sub_80BF848(s16 * a0, u16 a1);
 void DisplayMessageAndContinueTask(u8 taskId, u8 windowId, u16 arg2, u8 arg3, u8 fontId, u8 textSpeed, const u8 *string, void *taskFunc);
diff --git a/ld_script.txt b/ld_script.txt
index 4b7fafa2e..698d33a63 100644
--- a/ld_script.txt
+++ b/ld_script.txt
@@ -260,6 +260,7 @@ SECTIONS {
         src/unk_8159F40.o(.text);
         src/dodrio_berry_picking_2.o(.text);
         asm/dodrio_berry_picking_2.o(.text);
+        src/teachy_tv.o(.text);
         asm/teachy_tv.o(.text);
         asm/ereader_helpers.o(.text);
         src/unk_815C980.o(.text);
diff --git a/src/fame_checker.c b/src/fame_checker.c
index 795863aca..4b9feb45b 100644
--- a/src/fame_checker.c
+++ b/src/fame_checker.c
@@ -1341,14 +1341,14 @@ static void FC_DoMoveCursor(s32 itemIndex, bool8 onInit)
     u16 who;
     get_coro_args_x18_x1A(sFameCheckerData->listMenuTaskId, &listY, &cursorY);
     who = listY + cursorY;
-    AddTextPrinterParametrized2(FCWINDOWID_LIST, 2, 8, 14 * cursorY + 4, 0, 0, &sTextColor_Green, 0, sListMenuItems[itemIndex].unk_00);
+    AddTextPrinterParametrized2(FCWINDOWID_LIST, 2, 8, 14 * cursorY + 4, 0, 0, &sTextColor_Green, 0, sListMenuItems[itemIndex].name);
     if (!onInit)
     {
         if (listY < sFameCheckerData->listMenuTopIdx2)
             sFameCheckerData->listMenuDrawnSelIdx++;
         else if (listY > sFameCheckerData->listMenuTopIdx2 && who != sFameCheckerData->numUnlockedPersons - 1)
             sFameCheckerData->listMenuDrawnSelIdx--;
-        AddTextPrinterParametrized2(FCWINDOWID_LIST, 2, 8, 14 * sFameCheckerData->listMenuDrawnSelIdx + 4, 0, 0, &sTextColor_DkGrey, 0, sListMenuItems[sFameCheckerData->listMenuCurIdx].unk_00);
+        AddTextPrinterParametrized2(FCWINDOWID_LIST, 2, 8, 14 * sFameCheckerData->listMenuDrawnSelIdx + 4, 0, 0, &sTextColor_DkGrey, 0, sListMenuItems[sFameCheckerData->listMenuCurIdx].name);
 
     }
     sFameCheckerData->listMenuCurIdx = itemIndex;
@@ -1368,20 +1368,20 @@ static u8 FC_PopulateListMenu(void)
         {
             if (sTrainerIdxs[fameCheckerIdx] < FC_NONTRAINER_START)
             {
-                sListMenuItems[nitems].unk_00 = gTrainers[sTrainerIdxs[fameCheckerIdx]].trainerName;
-                sListMenuItems[nitems].unk_04 = nitems;
+                sListMenuItems[nitems].name = gTrainers[sTrainerIdxs[fameCheckerIdx]].trainerName;
+                sListMenuItems[nitems].id = nitems;
             }
             else
             {
-                sListMenuItems[nitems].unk_00 = sNonTrainerNamePointers[sTrainerIdxs[fameCheckerIdx] - FC_NONTRAINER_START];
-                sListMenuItems[nitems].unk_04 = nitems;
+                sListMenuItems[nitems].name = sNonTrainerNamePointers[sTrainerIdxs[fameCheckerIdx] - FC_NONTRAINER_START];
+                sListMenuItems[nitems].id = nitems;
             }
             sFameCheckerData->unlockedPersons[nitems] = fameCheckerIdx;
             nitems++;
         }
     }
-    sListMenuItems[nitems].unk_00 = gFameCheckerText_Cancel;
-    sListMenuItems[nitems].unk_04 = nitems;
+    sListMenuItems[nitems].name = gFameCheckerText_Cancel;
+    sListMenuItems[nitems].id = nitems;
     sFameCheckerData->unlockedPersons[nitems] = 0xFF;
     nitems++;
     gFameChecker_ListMenuTemplate.totalItems = nitems;
diff --git a/src/mystery_gift_menu.c b/src/mystery_gift_menu.c
index 1ec4e6157..e91e97624 100644
--- a/src/mystery_gift_menu.c
+++ b/src/mystery_gift_menu.c
@@ -703,7 +703,7 @@ u32 MysteryGift_HandleThreeOptionMenu(u8 * unused0, u16 * unused1, u8 whichMenu)
     width = 0;
     for (i = 0; i < listMenuTemplate.totalItems; i++)
     {
-        u32 curWidth = GetStringWidth(2, listMenuTemplate.items[i].unk_00, listMenuTemplate.lettersSpacing);
+        u32 curWidth = GetStringWidth(2, listMenuTemplate.items[i].name, listMenuTemplate.lettersSpacing);
         if (curWidth > width)
             width = curWidth;
     }
diff --git a/src/teachy_tv.c b/src/teachy_tv.c
new file mode 100644
index 000000000..2c34b731b
--- /dev/null
+++ b/src/teachy_tv.c
@@ -0,0 +1,217 @@
+#include "main.h"
+#include "global.h"
+#include "task.h"
+#include "menu.h"
+#include "palette.h"
+#include "sprite.h"
+#include "menu_helpers.h"
+#include "sound.h"
+#include "malloc.h"
+#include "sprite.h"
+#include "scanline_effect.h"
+#include "bg.h"
+#include "gpu_regs.h"
+#include "decompress.h"
+#include "window.h"
+#include "list_menu.h"
+#include "item.h"
+#include "constants/songs.h"
+#include "constants/items.h"
+
+typedef struct {
+    void (*callback)();
+    u8 mode;
+    u8 param1;
+    u16 param2;
+    u16 param3;
+    u8 param4;
+    u8 filler;
+} TeachyTv_s;
+
+extern TeachyTv_s gTeachyTV_StaticResources;
+extern void * gUnknown_203F450;
+void C2TeachyTv();
+void C2TeachyTvMainCallback();
+void VblankHandlerTeachyTv();
+void sub_815ABC4(u8 mode, void (*cb)());
+void CB2_ReturnToTeachyTV();
+extern void sub_815AC20();
+void TeachyTvCreateAndRenderRbox();
+extern void TeachyTvInitIo();
+extern u8 TeachyTvSetupObj();
+extern void TeachyTvConfigRboxAndObj(u8);
+extern u8 sub_815AEE8();
+extern void sub_815AF5C();
+extern void sub_815B094();
+void TeachyTvSetupBg();
+void TeachyTvLoadGraphic();
+extern void TeachyTvTaskFunction(u8);
+extern void sub_815B2C0(u8);
+extern void VblankHblankHandlerSetZero();
+extern void sub_812B1E0(u16);
+extern struct BgTemplate gUnknown_84792E0;
+extern void *gUnknown_203F450; // tilemap pointer location
+extern u8 gUnknown_8E86240; // tilemap
+extern u8 gUnknown_8E86BE8;
+extern u8 gUnknown_8E86D6C;
+extern u8 gUnknown_8E86F98; // pal
+extern struct SpritePalette gUnknown_83A5348;
+extern void sub_815BD80(void *);
+typedef struct Task Task;
+extern struct WindowTemplate gUnknown_84792F0;
+
+
+void C2TeachyTv()
+{
+    RunTasks();
+    AnimateSprites();
+    BuildOamBuffer();
+    do_scheduled_bg_tilemap_copies_to_vram();
+    UpdatePaletteFade();
+}
+
+void VblankHandlerTeachyTv()
+{
+    LoadOam();
+    ProcessSpriteCopyRequests();
+    TransferPlttBuffer();
+}
+
+void sub_815ABC4(u8 mode, void (*cb)())
+{
+    // JZW: I'm sorry, but otherwise I can't make it match baserom
+    TeachyTv_s *v3 = &gTeachyTV_StaticResources;
+    u16 v4 = 0;
+    v3->mode = mode;
+    v3->callback = cb;
+    if(!mode) {
+        v3->param2 = v4;
+        v3->param3 = v4;
+        v3->param1 = 0;
+    }
+    if(mode == 1)
+        v3->mode = 0;
+    SetMainCallback2(C2TeachyTvMainCallback);
+}
+
+void CB2_ReturnToTeachyTV()
+{
+    if(gTeachyTV_StaticResources.mode == 1)
+        sub_815ABC4(1,gTeachyTV_StaticResources.callback);
+    else
+        sub_815ABC4(2,gTeachyTV_StaticResources.callback);
+}
+
+void sub_815AC20()
+{
+    gTeachyTV_StaticResources.mode = 1;
+}
+
+void C2TeachyTvMainCallback()
+{
+    int state;
+    void *mallocPtr;
+    int taskId;
+    Task *taskAddr;
+    u8 **v4;
+    u32 x;
+
+    state = gMain.state;
+    if ( state == 0 )
+        goto section_0;
+    else if ( state == 1 )
+        goto section_1;
+    else
+        return;
+    section_0:
+        v4 = (u8 **)&gUnknown_203F450;
+        (*v4) = (u8*)AllocZeroed(0x4008u);
+        *(u32*)gUnknown_203F450 = (u32)state;
+        *((u8*)gUnknown_203F450 + 0x4006) = state;
+        *((u8*)gUnknown_203F450 + 0x4007) = 0xFF;
+        VblankHblankHandlerSetZero();
+        clear_scheduled_bg_copies_to_vram();
+        ScanlineEffect_Stop();
+        FreeAllSpritePalettes();
+        ResetPaletteFade();
+        ResetSpriteData();
+        ResetTasks();
+        TeachyTvSetupBg();
+        TeachyTvLoadGraphic();
+        ++gMain.state;
+        return;
+    section_1:
+        if( free_temp_tile_data_buffers_if_possible() == 1 )
+            return;
+        TeachyTvCreateAndRenderRbox();
+        TeachyTvInitIo();
+        if ( gTeachyTV_StaticResources.mode == 2 )
+        {
+            taskId = CreateTask(TeachyTvTaskFunction, 0);
+            gTasks[taskId].data[1] = TeachyTvSetupObj();
+            TeachyTvConfigRboxAndObj(taskId);
+        }
+        else
+        {
+            taskId = CreateTask(sub_815B2C0, 0);
+            x = (u32)sub_815AEE8();
+            gTasks[taskId].data[0] = (x << 24) >> 24;
+            gTasks[taskId].data[1] = TeachyTvSetupObj();
+            sub_815AF5C();
+            PlayNewMapMusic(BGM_FRLG_TEACHY_TV);
+            sub_815B094();
+        }
+        schedule_bg_copy_tilemap_to_vram(0);
+        schedule_bg_copy_tilemap_to_vram(1u);
+        schedule_bg_copy_tilemap_to_vram(2u);
+        schedule_bg_copy_tilemap_to_vram(3u);
+        sub_812B1E0(9); // help system something
+        BlendPalettes(0xFFFFFFFF, 0x10u, 0);
+        BeginNormalPaletteFade(0xFFFFFFFF, 0, 0x10u, 0, 0);
+        SetVBlankCallback(VblankHandlerTeachyTv);
+        SetMainCallback2(C2TeachyTv);
+}
+
+void TeachyTvSetupBg()
+{
+    InitBgReg();
+    ResetBgsAndClearDma3BusyFlags(0);
+    InitBgsFromTemplates(0, &gUnknown_84792E0, 4u);
+    SetBgTilemapBuffer(1u, (u8 *)gUnknown_203F450 + 4);
+    SetBgTilemapBuffer(2u, (u8 *)gUnknown_203F450 + 0x1004);
+    SetBgTilemapBuffer(3u, (u8 *)gUnknown_203F450 + 0x2004);
+    SetGpuReg(0, 0x3040u);
+    ShowBg(0);
+    ShowBg(1u);
+    ShowBg(2u);
+    ShowBg(3u);
+    ChangeBgX(3u, 0x1000u, 2u);
+    ChangeBgY(3u, 0x2800u, 1u);
+    *((u8 *)gUnknown_203F450 + 0x4004) = 0;
+    *((u8 *)gUnknown_203F450 + 0x4005) = 3;
+    SetGpuReg(0x50u, 0);
+}
+
+void TeachyTvLoadGraphic()
+{
+    u16 src;
+    src = 0;
+    reset_temp_tile_data_buffers();
+    decompress_and_copy_tile_data_to_vram(1u, &gUnknown_8E86240, 0, 0, 0);
+    LZDecompressWram((u8 *)&gUnknown_8E86BE8, (*(u8 **)&gUnknown_203F450) + 4);
+    LZDecompressWram((u8 *)&gUnknown_8E86D6C, (*(u8 **)&gUnknown_203F450) + 0x3004);
+    LoadCompressedPalette(&gUnknown_8E86F98, 0, 0x80u);
+    LoadPalette(&src, 0, 2u);
+    LoadSpritePalette((struct SpritePalette *)&gUnknown_83A5348);
+    sub_815BD80((u8 *)gUnknown_203F450 + 0x2004);
+}
+
+void TeachyTvCreateAndRenderRbox()
+{
+    InitWindows(&gUnknown_84792F0);
+    DeactivateAllTextPrinters();
+    FillWindowPixelBuffer(0, 0xCCu);
+    PutWindowTilemap(0);
+    PutWindowTilemap(1u);
+    CopyWindowToVram(0, 2u);
+}
\ No newline at end of file
diff --git a/src/tm_case.c b/src/tm_case.c
index 177d3320f..80fa29c5f 100644
--- a/src/tm_case.c
+++ b/src/tm_case.c
@@ -321,7 +321,7 @@ static bool8 DoSetUpTMCaseUI(void)
     switch (gMain.state)
     {
     case 0:
-        sub_80BF768();
+        VblankHblankHandlerSetZero();
         clear_scheduled_bg_copies_to_vram();
         gMain.state++;
         break;
@@ -426,7 +426,7 @@ static void ResetBufferPointers_NoFree(void)
 static void LoadBGTemplates(void)
 {
     void ** ptr;
-    sub_80BF7C8();
+    InitBgReg();
     ptr = &sTilemapBuffer;
     *ptr = AllocZeroed(0x800);
     ResetBgsAndClearDma3BusyFlags(0);
@@ -496,11 +496,11 @@ static void InitTMCaseListMenuItems(void)
     for (i = 0; i < sTMCaseDynamicResources->numTMs; i++)
     {
         GetTMNumberAndMoveString(sListMenuStringsBuffer[i], pocket->itemSlots[i].itemId);
-        sListMenuItemsBuffer[i].unk_00 = sListMenuStringsBuffer[i];
-        sListMenuItemsBuffer[i].unk_04 = i;
+        sListMenuItemsBuffer[i].name = sListMenuStringsBuffer[i];
+        sListMenuItemsBuffer[i].id = i;
     }
-    sListMenuItemsBuffer[i].unk_00 = gText_Close;
-    sListMenuItemsBuffer[i].unk_04 = -2;
+    sListMenuItemsBuffer[i].name = gText_Close;
+    sListMenuItemsBuffer[i].id = -2;
     gMultiuseListMenuTemplate.items = sListMenuItemsBuffer;
     gMultiuseListMenuTemplate.totalItems = sTMCaseDynamicResources->numTMs + 1;
     gMultiuseListMenuTemplate.windowId = 0;
diff --git a/sym_ewram.txt b/sym_ewram.txt
index a5151ebc0..609f7ec6c 100644
--- a/sym_ewram.txt
+++ b/sym_ewram.txt
@@ -1639,10 +1639,7 @@ gUnknown_203F440: @ 203F440
 	.space 0x4
 
 gTeachyTV_StaticResources: @ 203F444
-	.space 0x6
-
-gUnknown_203F44A: @ 203F44A
-	.space 0x6
+	.space 12
 
 gUnknown_203F450: @ 203F450
 	.space 0x4