Start decompiling shop.c

8 files changed, 430 insertions, 875 deletions

diff --git a/asm/shop.s b/asm/shop.s
index 30a5ec278..57ebe9747 100644
--- a/asm/shop.s
+++ b/asm/shop.s
@@ -5,862 +5,19 @@
 
 	.text
 
-	thumb_func_start CreateShopMenu
-@ s8 CreateShopMenu(s8 type)
-CreateShopMenu: @ 80DFA78
-	push {r4,r5,lr}
-	sub sp, 0x10
-	adds r4, r0, 0
-	lsls r4, 24
-	lsrs r4, 24
-	bl ScriptContext2_Enable
-	ldr r5, =gUnknown_02039F60
-	strb r4, [r5, 0xF]
-	cmp r4, 0
-	bne _080DFACC
-	ldr r0, =gUnknown_08589A38
-	ldr r1, [r0, 0x4]
-	ldr r0, [r0]
-	str r0, [sp]
-	str r1, [sp, 0x4]
-	ldr r4, =gUnknown_08589A10
-	adds r0, r4, 0
-	movs r1, 0x3
-	bl GetMaxWidthInMenuTable
-	lsls r0, 24
-	ldr r2, =0x00ffffff
-	ldr r1, [sp]
-	ands r1, r2
-	orrs r1, r0
-	str r1, [sp]
-	mov r0, sp
-	bl AddWindow
-	strb r0, [r5, 0xE]
-	str r4, [r5, 0x4]
-	movs r5, 0x3
-	b _080DFAF8
-	.pool
-_080DFACC:
-	ldr r0, =gUnknown_08589A38
-	ldr r1, [r0, 0xC]
-	ldr r0, [r0, 0x8]
-	str r0, [sp, 0x8]
-	str r1, [sp, 0xC]
-	ldr r4, =gUnknown_08589A28
-	adds r0, r4, 0
-	movs r1, 0x2
-	bl GetMaxWidthInMenuTable
-	lsls r0, 24
-	ldr r2, =0x00ffffff
-	ldr r1, [sp, 0x8]
-	ands r1, r2
-	orrs r1, r0
-	str r1, [sp, 0x8]
-	add r0, sp, 0x8
-	bl AddWindow
-	strb r0, [r5, 0xE]
-	str r4, [r5, 0x4]
-	movs r5, 0x2
-_080DFAF8:
-	ldr r4, =gUnknown_02039F60
-	ldrb r0, [r4, 0xE]
-	movs r1, 0
-	bl SetStandardWindowBorderStyle
-	ldrb r0, [r4, 0xE]
-	ldr r2, [r4, 0x4]
-	adds r1, r5, 0
-	bl PrintMenuTable
-	ldrb r0, [r4, 0xE]
-	adds r1, r5, 0
-	movs r2, 0
-	bl InitMenuInUpperLeftCornerPlaySoundWhenAPressed
-	ldrb r0, [r4, 0xE]
-	bl PutWindowTilemap
-	ldrb r0, [r4, 0xE]
-	movs r1, 0x1
-	bl CopyWindowToVram
-	ldr r0, =Task_ShopMenu
-	movs r1, 0x8
-	bl CreateTask
-	lsls r0, 24
-	lsrs r0, 24
-	add sp, 0x10
-	pop {r4,r5}
-	pop {r1}
-	bx r1
-	.pool
-	thumb_func_end CreateShopMenu
-
-	thumb_func_start SetShopMenuCallback
-@ void SetShopMenuCallback()
-SetShopMenuCallback: @ 80DFB4C
-	ldr r1, =gUnknown_02039F60
-	str r0, [r1]
-	bx lr
-	.pool
-	thumb_func_end SetShopMenuCallback
-
-	thumb_func_start SetShopItemsForSale
-@ int SetShopItemsForSale(s16 *itemsForSale)
-SetShopItemsForSale: @ 80DFB58
-	push {lr}
-	adds r1, r0, 0
-	movs r2, 0
-	ldr r3, =gUnknown_02039F60
-	str r1, [r3, 0x8]
-	strh r2, [r3, 0xC]
-	ldrh r0, [r1]
-	cmp r0, 0
-	beq _080DFB80
-_080DFB6A:
-	ldrh r0, [r3, 0xC]
-	adds r0, 0x1
-	strh r0, [r3, 0xC]
-	adds r0, r2, 0x1
-	lsls r0, 16
-	lsrs r2, r0, 16
-	lsls r0, r2, 1
-	adds r0, r1
-	ldrh r0, [r0]
-	cmp r0, 0
-	bne _080DFB6A
-_080DFB80:
-	pop {r0}
-	bx r0
-	.pool
-	thumb_func_end SetShopItemsForSale
-
-	thumb_func_start Task_ShopMenu
-@ void Task_ShopMenu(u8 taskId)
-Task_ShopMenu: @ 80DFB88
-	push {r4,r5,lr}
-	lsls r0, 24
-	lsrs r4, r0, 24
-	adds r5, r4, 0
-	bl Menu_ProcessInputNoWrapAround
-	lsls r0, 24
-	asrs r2, r0, 24
-	movs r0, 0x2
-	negs r0, r0
-	cmp r2, r0
-	beq _080DFBC4
-	adds r0, 0x1
-	cmp r2, r0
-	bne _080DFBB4
-	movs r0, 0x5
-	bl PlaySE
-	adds r0, r4, 0
-	bl HandleShopMenuQuit
-	b _080DFBC4
-_080DFBB4:
-	ldr r0, =gUnknown_02039F60
-	ldr r1, [r0, 0x4]
-	lsls r0, r2, 3
-	adds r0, r1
-	ldr r1, [r0, 0x4]
-	adds r0, r5, 0
-	bl _call_via_r1
-_080DFBC4:
-	pop {r4,r5}
-	pop {r0}
-	bx r0
-	.pool
-	thumb_func_end Task_ShopMenu
-
-	thumb_func_start HandleShopMenuBuy
-@ void HandleShopMenuBuy(u8 taskId)
-HandleShopMenuBuy: @ 80DFBD0
-	push {r4,lr}
-	lsls r0, 24
-	lsrs r0, 24
-	lsls r1, r0, 2
-	adds r1, r0
-	lsls r1, 3
-	ldr r2, =gTasks + 0x8
-	adds r4, r1, r2
-	ldr r3, =CB2_InitBuyMenu
-	lsrs r0, r3, 16
-	strh r0, [r4, 0x10]
-	strh r3, [r4, 0x12]
-	subs r2, 0x8
-	adds r1, r2
-	ldr r0, =Task_GoToBuyOrSellMenu
-	str r0, [r1]
-	movs r0, 0x1
-	movs r1, 0
-	bl FadeScreen
-	pop {r4}
-	pop {r0}
-	bx r0
-	.pool
-	thumb_func_end HandleShopMenuBuy
-
-	thumb_func_start HandleShopMenuSell
-@ void HandleShopMenuSell(u8 taskId)
-HandleShopMenuSell: @ 80DFC0C
-	push {r4,lr}
-	lsls r0, 24
-	lsrs r0, 24
-	lsls r1, r0, 2
-	adds r1, r0
-	lsls r1, 3
-	ldr r2, =gTasks + 0x8
-	adds r4, r1, r2
-	ldr r3, =CB2_GoToSellMenu
-	lsrs r0, r3, 16
-	strh r0, [r4, 0x10]
-	strh r3, [r4, 0x12]
-	subs r2, 0x8
-	adds r1, r2
-	ldr r0, =Task_GoToBuyOrSellMenu
-	str r0, [r1]
-	movs r0, 0x1
-	movs r1, 0
-	bl FadeScreen
-	pop {r4}
-	pop {r0}
-	bx r0
-	.pool
-	thumb_func_end HandleShopMenuSell
-
-	thumb_func_start CB2_ExitSellMenu
-@ int CB2_ExitSellMenu()
-CB2_ExitSellMenu: @ 80DFC48
-	push {lr}
-	ldr r0, =gFieldCallback
-	ldr r1, =MapPostLoadHook_ExitBuyOrSellMenu
-	str r1, [r0]
-	ldr r0, =CB2_ReturnToField
-	bl SetMainCallback2
-	pop {r0}
-	bx r0
-	.pool
-	thumb_func_end CB2_ExitSellMenu
-
-	thumb_func_start HandleShopMenuQuit
-@ void HandleShopMenuQuit(u8 taskId)
-HandleShopMenuQuit: @ 80DFC68
-	push {r4,r5,lr}
-	adds r4, r0, 0
-	lsls r4, 24
-	lsrs r4, 24
-	ldr r5, =gUnknown_02039F60
-	ldrb r0, [r5, 0xE]
-	movs r1, 0x2
-	bl sub_8198070
-	ldrb r0, [r5, 0xE]
-	bl RemoveWindow
-	bl SaveRecordedItemPurchasesForTVShow
-	bl ScriptContext2_Disable
-	adds r0, r4, 0
-	bl DestroyTask
-	ldr r5, [r5]
-	cmp r5, 0
-	beq _080DFC98
-	bl _call_via_r5
-_080DFC98:
-	pop {r4,r5}
-	pop {r0}
-	bx r0
-	.pool
-	thumb_func_end HandleShopMenuQuit
-
-	thumb_func_start Task_GoToBuyOrSellMenu
-@ int Task_GoToBuyOrSellMenu(u8 taskId)
-Task_GoToBuyOrSellMenu: @ 80DFCA4
-	push {r4,lr}
-	lsls r0, 24
-	lsrs r2, r0, 24
-	lsls r0, r2, 2
-	adds r0, r2
-	lsls r0, 3
-	ldr r1, =gTasks + 0x8
-	adds r4, r0, r1
-	ldr r0, =gPaletteFade
-	ldrb r1, [r0, 0x7]
-	movs r0, 0x80
-	ands r0, r1
-	cmp r0, 0
-	bne _080DFCD2
-	adds r0, r2, 0
-	bl DestroyTask
-	ldrh r0, [r4, 0x10]
-	lsls r0, 16
-	ldrh r1, [r4, 0x12]
-	orrs r0, r1
-	bl SetMainCallback2
-_080DFCD2:
-	pop {r4}
-	pop {r0}
-	bx r0
-	.pool
-	thumb_func_end Task_GoToBuyOrSellMenu
-
-	thumb_func_start MapPostLoadHook_ExitBuyOrSellMenu
-@ void MapPostLoadHook_ExitBuyOrSellMenu()
-MapPostLoadHook_ExitBuyOrSellMenu: @ 80DFCE0
-	push {lr}
-	bl pal_fill_black
-	ldr r0, =Task_ExitSellMenu
-	movs r1, 0x8
-	bl CreateTask
-	pop {r0}
-	bx r0
-	.pool
-	thumb_func_end MapPostLoadHook_ExitBuyOrSellMenu
-
-	thumb_func_start Task_ExitSellMenu
-@ void Task_ExitSellMenu(u8 taskId)
-Task_ExitSellMenu: @ 80DFCF8
-	push {r4,r5,lr}
-	lsls r0, 24
-	lsrs r4, r0, 24
-	adds r5, r4, 0
-	bl IsWeatherNotFadingIn
-	lsls r0, 24
-	lsrs r0, 24
-	cmp r0, 0x1
-	bne _080DFD36
-	ldr r0, =gUnknown_02039F60
-	ldrb r0, [r0, 0xF]
-	cmp r0, 0x2
-	bne _080DFD2C
-	ldr r1, =gText_CanIHelpWithAnythingElse
-	ldr r2, =ReturnToShopMenuAfterExitingSellMenu
-	adds r0, r4, 0
-	bl DisplayItemMessageOnField
-	b _080DFD36
-	.pool
-_080DFD2C:
-	ldr r1, =gText_AnythingElseICanHelp
-	ldr r2, =ReturnToShopMenuAfterExitingSellMenu
-	adds r0, r5, 0
-	bl DisplayItemMessageOnField
-_080DFD36:
-	pop {r4,r5}
-	pop {r0}
-	bx r0
-	.pool
-	thumb_func_end Task_ExitSellMenu
-
-	thumb_func_start ReturnToShopMenuAfterExitingSellMenu
-@ void ReturnToShopMenuAfterExitingSellMenu(u8 taskId)
-ReturnToShopMenuAfterExitingSellMenu: @ 80DFD44
-	push {r4,lr}
-	adds r4, r0, 0
-	lsls r4, 24
-	lsrs r4, 24
-	ldr r0, =gUnknown_02039F60
-	ldrb r0, [r0, 0xF]
-	bl CreateShopMenu
-	adds r0, r4, 0
-	bl DestroyTask
-	pop {r4}
-	pop {r0}
-	bx r0
-	.pool
-	thumb_func_end ReturnToShopMenuAfterExitingSellMenu
-
-	thumb_func_start CB2_BuyMenu
-@ void CB2_BuyMenu()
-CB2_BuyMenu: @ 80DFD64
-	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 CB2_BuyMenu
-
-	thumb_func_start VBlankCB_BuyMenu
-@ void VBlankCB_BuyMenu()
-VBlankCB_BuyMenu: @ 80DFD80
-	push {lr}
-	bl LoadOam
-	bl ProcessSpriteCopyRequests
-	bl TransferPlttBuffer
-	pop {r0}
-	bx r0
-	thumb_func_end VBlankCB_BuyMenu
-
-	thumb_func_start CB2_InitBuyMenu
-@ void CB2_InitBuyMenu()
-CB2_InitBuyMenu: @ 80DFD94
-	push {r4,r5,lr}
-	sub sp, 0xC
-	ldr r0, =gMain
-	movs r1, 0x87
-	lsls r1, 3
-	adds r5, r0, r1
-	ldrb r4, [r5]
-	cmp r4, 0
-	beq _080DFE20
-	cmp r4, 0x1
-	bne _080DFDAC
-	b _080DFEE4
-_080DFDAC:
-	bl BuyMenuDrawGraphics
-	bl BuyMenuAddScrollIndicatorArrows
-	ldr r0, =Task_BuyMenu
-	movs r1, 0x8
-	bl CreateTask
-	adds r4, r0, 0
-	lsls r4, 24
-	lsrs r4, 24
-	ldr r0, =gMultiuseListMenuTemplate
-	movs r1, 0
-	movs r2, 0
-	bl ListMenuInit
-	ldr r2, =gTasks
-	lsls r1, r4, 2
-	adds r1, r4
-	lsls r1, 3
-	adds r1, r2
-	lsls r0, 24
-	lsrs r0, 24
-	movs r5, 0
-	strh r0, [r1, 0x16]
-	movs r4, 0x1
-	negs r4, r4
-	adds r0, r4, 0
-	movs r1, 0x10
-	movs r2, 0
-	bl BlendPalettes
-	str r5, [sp]
-	adds r0, r4, 0
-	movs r1, 0
-	movs r2, 0x10
-	movs r3, 0
-	bl BeginNormalPaletteFade
-	ldr r0, =VBlankCB_BuyMenu
-	bl SetVBlankCallback
-	ldr r0, =CB2_BuyMenu
-	bl SetMainCallback2
-	b _080DFEF4
-	.pool
-_080DFE20:
-	bl SetVBlankHBlankCallbacksToNull
-	str r4, [sp, 0x8]
-	movs r1, 0xE0
-	lsls r1, 19
-	ldr r2, =0x01000100
-	add r0, sp, 0x8
-	bl CpuFastSet
-	bl ScanlineEffect_Stop
-	bl reset_temp_tile_data_buffers
-	bl FreeAllSpritePalettes
-	bl ResetPaletteFade
-	bl ResetSpriteData
-	bl ResetTasks
-	bl clear_scheduled_bg_copies_to_vram
-	ldr r4, =gUnknown_02039F70
-	ldr r0, =0x000020b0
-	bl AllocZeroed
-	str r0, [r4]
-	ldr r1, =0x0000200b
-	adds r0, r1
-	movs r1, 0xFF
-	strb r1, [r0]
-	ldr r0, [r4]
-	ldr r1, =0x0000200d
-	adds r0, r1
-	movs r1, 0x1
-	negs r1, r1
-	strb r1, [r0]
-	ldr r0, [r4]
-	ldr r1, =0x0000200e
-	adds r0, r1
-	movs r1, 0x1
-	negs r1, r1
-	strb r1, [r0]
-	bl BuyMenuBuildListMenuTemplate
-	bl BuyMenuInitBgs
-	movs r4, 0x20
-	str r4, [sp]
-	str r4, [sp, 0x4]
-	movs r0, 0
-	movs r1, 0
-	movs r2, 0
-	movs r3, 0
-	bl FillBgTilemapBufferRect_Palette0
-	str r4, [sp]
-	str r4, [sp, 0x4]
-	movs r0, 0x1
-	movs r1, 0
-	movs r2, 0
-	movs r3, 0
-	bl FillBgTilemapBufferRect_Palette0
-	str r4, [sp]
-	str r4, [sp, 0x4]
-	movs r0, 0x2
-	movs r1, 0
-	movs r2, 0
-	movs r3, 0
-	bl FillBgTilemapBufferRect_Palette0
-	str r4, [sp]
-	str r4, [sp, 0x4]
-	movs r0, 0x3
-	movs r1, 0
-	movs r2, 0
-	movs r3, 0
-	bl FillBgTilemapBufferRect_Palette0
-	bl BuyMenuInitWindows
-	bl BuyMenuDecompressBgGraphics
-	b _080DFEEE
-	.pool
-_080DFEE4:
-	bl free_temp_tile_data_buffers_if_possible
-	lsls r0, 24
-	cmp r0, 0
-	bne _080DFEF4
-_080DFEEE:
-	ldrb r0, [r5]
-	adds r0, 0x1
-	strb r0, [r5]
-_080DFEF4:
-	add sp, 0xC
-	pop {r4,r5}
-	pop {r0}
-	bx r0
-	thumb_func_end CB2_InitBuyMenu
-
-	thumb_func_start BuyMenuFreeMemory
-@ void BuyMenuFreeMemory()
-BuyMenuFreeMemory: @ 80DFEFC
-	push {lr}
-	ldr r0, =gUnknown_02039F70
-	ldr r0, [r0]
-	bl Free
-	ldr r0, =gUnknown_02039F74
-	ldr r0, [r0]
-	bl Free
-	ldr r0, =gUnknown_02039F78
-	ldr r0, [r0]
-	bl Free
-	bl FreeAllWindowBuffers
-	pop {r0}
-	bx r0
-	.pool
-	thumb_func_end BuyMenuFreeMemory
-
-	thumb_func_start BuyMenuBuildListMenuTemplate
-@ void BuyMenuBuildListMenuTemplate()
-BuyMenuBuildListMenuTemplate: @ 80DFF2C
-	push {r4-r7,lr}
-	ldr r7, =gUnknown_02039F74
-	ldr r4, =gUnknown_02039F60
-	ldrh r0, [r4, 0xC]
-	adds r0, 0x1
-	lsls r0, 3
-	bl Alloc
-	str r0, [r7]
-	ldr r5, =gUnknown_02039F78
-	ldrh r0, [r4, 0xC]
-	adds r0, 0x1
-	lsls r0, 4
-	bl Alloc
-	str r0, [r5]
-	movs r6, 0
-	ldrh r0, [r4, 0xC]
-	cmp r6, r0
-	bcs _080DFF78
-_080DFF54:
-	lsls r1, r6, 3
-	ldr r0, [r7]
-	adds r0, r1
-	ldr r2, [r4, 0x8]
-	lsls r1, r6, 1
-	adds r1, r2
-	ldrh r1, [r1]
-	lsls r3, r6, 4
-	ldr r2, [r5]
-	adds r2, r3
-	bl BuyMenuSetListEntry
-	adds r0, r6, 0x1
-	lsls r0, 16
-	lsrs r6, r0, 16
-	ldrh r2, [r4, 0xC]
-	cmp r6, r2
-	bcc _080DFF54
-_080DFF78:
-	ldr r4, =gUnknown_02039F78
-	lsls r5, r6, 4
-	ldr r0, [r4]
-	adds r0, r5
-	ldr r1, =gText_Cancel2
-	bl StringCopy
-	ldr r2, =gUnknown_02039F74
-	ldr r0, [r2]
-	lsls r1, r6, 3
-	adds r1, r0
-	ldr r0, [r4]
-	adds r0, r5
-	str r0, [r1]
-	movs r0, 0x2
-	negs r0, r0
-	str r0, [r1, 0x4]
-	ldr r3, =gMultiuseListMenuTemplate
-	adds r1, r3, 0
-	ldr r0, =gUnknown_08589A48
-	ldm r0!, {r4-r6}
-	stm r1!, {r4-r6}
-	ldm r0!, {r4-r6}
-	stm r1!, {r4-r6}
-	ldr r0, [r2]
-	str r0, [r3]
-	ldr r0, =gUnknown_02039F60
-	ldrh r0, [r0, 0xC]
-	adds r1, r0, 0x1
-	strh r1, [r3, 0xC]
-	lsls r0, r1, 16
-	lsrs r0, 16
-	cmp r0, 0x8
-	bls _080DFFDC
-	movs r0, 0x8
-	strh r0, [r3, 0xE]
-	b _080DFFDE
-	.pool
-_080DFFDC:
-	strh r1, [r3, 0xE]
-_080DFFDE:
-	ldr r0, =gUnknown_02039F70
-	ldr r0, [r0]
-	ldr r1, =gMultiuseListMenuTemplate
-	ldrh r1, [r1, 0xE]
-	ldr r2, =0x00002004
-	adds r0, r2
-	strh r1, [r0]
-	pop {r4-r7}
-	pop {r0}
-	bx r0
-	.pool
-	thumb_func_end BuyMenuBuildListMenuTemplate
-
-	thumb_func_start BuyMenuSetListEntry
-@ void BuyMenuSetListEntry(struct ListMenuEntry *entry, u16 code, u8 *str)
-BuyMenuSetListEntry: @ 80E0000
-	push {r4-r6,lr}
-	adds r6, r0, 0
-	adds r5, r2, 0
-	lsls r1, 16
-	lsrs r4, r1, 16
-	ldr r0, =gUnknown_02039F60
-	ldrb r0, [r0, 0xF]
-	cmp r0, 0
-	bne _080E0020
-	adds r0, r4, 0
-	adds r1, r5, 0
-	bl CopyItemName
-	b _080E002C
-	.pool
-_080E0020:
-	lsls r1, r4, 5
-	ldr r0, =gDecorations + 1
-	adds r1, r0
-	adds r0, r5, 0
-	bl StringCopy
-_080E002C:
-	str r5, [r6]
-	str r4, [r6, 0x4]
-	pop {r4-r6}
-	pop {r0}
-	bx r0
-	.pool
-	thumb_func_end BuyMenuSetListEntry
-
-	thumb_func_start BuyMenuPrintItemDescriptionAndShowItemIcon
-@ void BuyMenuPrintItemDescriptionAndShowItemIcon(s32 menuEntryCode, bool8 isInitialSelection, struct ListMenu *listMenu)
-BuyMenuPrintItemDescriptionAndShowItemIcon: @ 80E003C
-	push {r4-r7,lr}
-	mov r7, r8
-	push {r7}
-	sub sp, 0x8
-	adds r7, r0, 0
-	lsls r1, 24
-	lsrs r1, 24
-	cmp r1, 0x1
-	beq _080E0054
-	movs r0, 0x5
-	bl PlaySE
-_080E0054:
-	movs r0, 0x2
-	negs r0, r0
-	cmp r7, r0
-	beq _080E0078
-	lsls r4, r7, 16
-	lsrs r0, r4, 16
-	ldr r1, =gUnknown_02039F70
-	ldr r1, [r1]
-	ldr r2, =0x0000200c
-	adds r1, r2
-	ldrb r1, [r1]
-	bl BuyMenuAddItemIcon
-	b _080E008A
-	.pool
-_080E0078:
-	ldr r0, =0x0000ffff
-	ldr r1, =gUnknown_02039F70
-	ldr r1, [r1]
-	ldr r2, =0x0000200c
-	adds r1, r2
-	ldrb r1, [r1]
-	bl BuyMenuAddItemIcon
-	lsls r4, r7, 16
-_080E008A:
-	lsrs r4, 16
-	mov r8, r4
-	ldr r6, =gUnknown_02039F70
-	ldr r0, [r6]
-	ldr r5, =0x0000200c
-	adds r0, r5
-	ldrb r0, [r0]
-	movs r4, 0x1
-	adds r1, r4, 0
-	eors r1, r0
-	mov r0, r8
-	bl BuyMenuRemoveItemIcon
-	ldr r1, [r6]
-	adds r1, r5
-	ldrb r0, [r1]
-	eors r0, r4
-	strb r0, [r1]
-	movs r0, 0x2
-	negs r0, r0
-	cmp r7, r0
-	beq _080E00E8
-	ldr r0, =gUnknown_02039F60
-	ldrb r0, [r0, 0xF]
-	cmp r0, 0
-	bne _080E00D8
-	mov r0, r8
-	bl ItemId_GetDescription
-	adds r4, r0, 0
-	b _080E00EA
-	.pool
-_080E00D8:
-	ldr r0, =gDecorations
-	lsls r1, r7, 5
-	adds r0, 0x18
-	adds r1, r0
-	ldr r4, [r1]
-	b _080E00EA
-	.pool
-_080E00E8:
-	ldr r4, =gText_QuitShopping
-_080E00EA:
-	movs r0, 0x2
-	movs r1, 0
-	bl FillWindowPixelBuffer
-	movs r0, 0
-	str r0, [sp]
-	str r0, [sp, 0x4]
-	movs r0, 0x2
-	adds r1, r4, 0
-	movs r2, 0x3
-	movs r3, 0x1
-	bl BuyMenuPrint
-	add sp, 0x8
-	pop {r3}
-	mov r8, r3
-	pop {r4-r7}
-	pop {r0}
-	bx r0
-	.pool
-	thumb_func_end BuyMenuPrintItemDescriptionAndShowItemIcon
-
-	thumb_func_start BuyMenuPrintPriceInList
-@ void BuyMenuPrintPriceInList(u8 windowId, s32 menuEntryCode, u8 y)
-BuyMenuPrintPriceInList: @ 80E0114
-	push {r4-r7,lr}
-	sub sp, 0x14
-	lsls r0, 24
-	lsrs r6, r0, 24
-	lsls r2, 24
-	lsrs r7, r2, 24
-	movs r0, 0x2
-	negs r0, r0
-	cmp r1, r0
-	beq _080E01AC
-	ldr r0, =gUnknown_02039F60
-	ldrb r0, [r0, 0xF]
-	cmp r0, 0
-	bne _080E0164
-	ldr r5, =gStringVar1
-	lsls r0, r1, 16
-	lsrs r0, 16
-	bl ItemId_GetPrice
-	adds r4, r0, 0
-	movs r0, 0x1
-	bl GetPriceReduction
-	lsls r4, 16
-	lsrs r4, 16
-	lsls r0, 24
-	lsrs r0, 24
-	asrs r4, r0
-	adds r0, r5, 0
-	adds r1, r4, 0
-	movs r2, 0
-	movs r3, 0x5
-	bl ConvertIntToDecimalStringN
-	b _080E0176
-	.pool
-_080E0164:
-	ldr r0, =gStringVar1
-	ldr r2, =gDecorations
-	lsls r1, 5
-	adds r1, r2
-	ldrh r1, [r1, 0x14]
-	movs r2, 0
-	movs r3, 0x5
-	bl ConvertIntToDecimalStringN
-_080E0176:
-	ldr r4, =gStringVar4
-	ldr r1, =gText_PokedollarVar1
-	adds r0, r4, 0
-	bl StringExpandPlaceholders
-	movs r0, 0x7
-	adds r1, r4, 0
-	movs r2, 0x78
-	bl GetStringRightAlignXOffset
-	adds r2, r0, 0
-	lsls r2, 24
-	lsrs r2, 24
-	movs r0, 0
-	str r0, [sp]
-	str r0, [sp, 0x4]
-	ldr r0, =gUnknown_08589AB3
-	str r0, [sp, 0x8]
-	movs r0, 0x1
-	negs r0, r0
-	str r0, [sp, 0xC]
-	str r4, [sp, 0x10]
-	adds r0, r6, 0
-	movs r1, 0x7
-	adds r3, r7, 0
-	bl AddTextPrinterParameterized2
-_080E01AC:
-	add sp, 0x14
-	pop {r4-r7}
-	pop {r0}
-	bx r0
-	.pool
-	thumb_func_end BuyMenuPrintPriceInList
-
 	thumb_func_start BuyMenuAddScrollIndicatorArrows
 @ void BuyMenuAddScrollIndicatorArrows()
 BuyMenuAddScrollIndicatorArrows: @ 80E01C8
 	push {r4,r5,lr}
 	sub sp, 0x10
-	ldr r5, =gUnknown_02039F70
+	ldr r5, =gShopDataPtr
 	ldr r2, [r5]
 	ldr r4, =0x0000200b
 	adds r0, r2, r4
 	ldrb r0, [r0]
 	cmp r0, 0xFF
 	bne _080E0206
-	ldr r0, =gUnknown_02039F60
+	ldr r0, =gMartInfo
 	ldrh r1, [r0, 0xC]
 	adds r0, r1, 0x1
 	cmp r0, 0x8
@@ -893,7 +50,7 @@ _080E0206:
 @ void BuyMenuRemoveScrollIndicatorArrows()
 BuyMenuRemoveScrollIndicatorArrows: @ 80E0224
 	push {r4,lr}
-	ldr r4, =gUnknown_02039F70
+	ldr r4, =gShopDataPtr
 	ldr r0, [r4]
 	ldr r2, =0x0000200b
 	adds r1, r0, r2
@@ -950,7 +107,7 @@ BuyMenuAddItemIcon: @ 80E0284
 	lsrs r2, r0, 16
 	lsls r1, 24
 	lsrs r3, r1, 24
-	ldr r0, =gUnknown_02039F70
+	ldr r0, =gShopDataPtr
 	ldr r4, =0x0000200d
 	adds r1, r3, r4
 	ldr r0, [r0]
@@ -958,7 +115,7 @@ BuyMenuAddItemIcon: @ 80E0284
 	ldrb r0, [r4]
 	cmp r0, 0xFF
 	bne _080E0310
-	ldr r0, =gUnknown_02039F60
+	ldr r0, =gMartInfo
 	ldrb r0, [r0, 0xF]
 	cmp r0, 0
 	beq _080E02AE
@@ -1016,7 +173,7 @@ BuyMenuRemoveItemIcon: @ 80E031C
 	push {r4,r5,lr}
 	lsls r1, 24
 	lsrs r4, r1, 24
-	ldr r0, =gUnknown_02039F70
+	ldr r0, =gShopDataPtr
 	ldr r2, =0x0000200d
 	adds r1, r4, r2
 	ldr r0, [r0]
@@ -1056,7 +213,7 @@ BuyMenuInitBgs: @ 80E036C
 	movs r0, 0
 	movs r2, 0x4
 	bl InitBgsFromTemplates
-	ldr r4, =gUnknown_02039F70
+	ldr r4, =gShopDataPtr
 	ldr r1, [r4]
 	movs r0, 0x80
 	lsls r0, 4
@@ -1134,7 +291,7 @@ BuyMenuDecompressBgGraphics: @ 80E0424
 	movs r0, 0x1
 	bl decompress_and_copy_tile_data_to_vram
 	ldr r0, =gBuyMenuFrame_Tilemap
-	ldr r1, =gUnknown_02039F70
+	ldr r1, =gShopDataPtr
 	ldr r1, [r1]
 	bl LZDecompressWram
 	ldr r0, =gMenuMoneyPal
@@ -1427,7 +584,7 @@ _080E0690:
 	beq _080E06F8
 	b _080E0728
 _080E0696:
-	ldr r6, =gUnknown_02039F70
+	ldr r6, =gShopDataPtr
 	ldr r0, [r6]
 	movs r2, 0xC0
 	lsls r2, 5
@@ -1446,7 +603,7 @@ _080E0696:
 	b _080E06E2
 	.pool
 _080E06C0:
-	ldr r6, =gUnknown_02039F70
+	ldr r6, =gShopDataPtr
 	ldr r0, [r6]
 	movs r2, 0x80
 	lsls r2, 5
@@ -1472,7 +629,7 @@ _080E06E2:
 	b _080E0728
 	.pool
 _080E06F8:
-	ldr r6, =gUnknown_02039F70
+	ldr r6, =gShopDataPtr
 	ldr r0, [r6]
 	movs r2, 0x80
 	lsls r2, 5
@@ -1542,7 +699,7 @@ BuyMenuCollectEventObjectData: @ 80E075C
 	adds r1, r4, 0
 	bl GetXYCoordsOneStepInFrontOfPlayer
 	movs r7, 0
-	ldr r5, =gUnknown_02039F70
+	ldr r5, =gShopDataPtr
 	ldr r3, =0x00002010
 	movs r2, 0x10
 _080E0780:
@@ -1560,7 +717,7 @@ _080E0780:
 	bls _080E0780
 	movs r7, 0
 	str r4, [sp, 0x8]
-	ldr r1, =gUnknown_02039F70
+	ldr r1, =gShopDataPtr
 	mov r9, r1
 	mov r2, sp
 	str r2, [sp, 0x4]
@@ -1728,7 +885,7 @@ BuyMenuDrawEventObjects: @ 80E08F0
 	push {r5-r7}
 	sub sp, 0x4
 	movs r7, 0
-	ldr r0, =gUnknown_02039F70
+	ldr r0, =gShopDataPtr
 	mov r8, r0
 	ldr r1, =gEventObjects
 	mov r10, r1
@@ -1883,7 +1040,7 @@ _080E0A3A:
 @ void BuyMenuCopyMenuBgToBg1TilemapBuffer()
 BuyMenuCopyMenuBgToBg1TilemapBuffer: @ 80E0A40
 	push {r4-r6,lr}
-	ldr r0, =gUnknown_02039F70
+	ldr r0, =gShopDataPtr
 	ldr r0, [r0]
 	movs r1, 0x80
 	lsls r1, 4
@@ -1921,7 +1078,7 @@ _080E0A6A:
 @ bool8 BuyMenuCheckForOverlapWithMenuBg(u16 x, u16 y)
 BuyMenuCheckForOverlapWithMenuBg: @ 80E0A88
 	push {lr}
-	ldr r2, =gUnknown_02039F70
+	ldr r2, =gShopDataPtr
 	ldr r2, [r2]
 	lsls r0, 1
 	lsls r1, 6
@@ -1979,7 +1136,7 @@ _080E0AEA:
 	bl ListMenuHandleInputGetItemId
 	adds r5, r0, 0
 	ldrb r0, [r4, 0xE]
-	ldr r7, =gUnknown_02039F70
+	ldr r7, =gShopDataPtr
 	ldr r2, [r7]
 	ldr r3, =0x00002008
 	adds r1, r2, r3
@@ -2011,7 +1168,7 @@ _080E0B32:
 	ldrb r0, [r4, 0xE]
 	movs r1, 0x2
 	bl BuyMenuPrintCursor
-	ldr r0, =gUnknown_02039F60
+	ldr r0, =gMartInfo
 	ldrb r0, [r0, 0xF]
 	cmp r0, 0
 	bne _080E0B80
@@ -2049,7 +1206,7 @@ _080E0B92:
 	movs r1, 0x92
 	lsls r1, 3
 	adds r0, r1
-	ldr r2, =gUnknown_02039F70
+	ldr r2, =gShopDataPtr
 	mov r8, r2
 	ldr r1, [r2]
 	movs r7, 0x80
@@ -2065,7 +1222,7 @@ _080E0B92:
 	b _080E0C28
 	.pool
 _080E0BD0:
-	ldr r4, =gUnknown_02039F60
+	ldr r4, =gMartInfo
 	ldrb r0, [r4, 0xF]
 	cmp r0, 0
 	bne _080E0C38
@@ -2199,7 +1356,7 @@ Task_BuyHowManyDialogueInit: @ 80E0CA4
 	lsls r1, 3
 	adds r0, r1
 	bl GetMoney
-	ldr r1, =gUnknown_02039F70
+	ldr r1, =gShopDataPtr
 	ldr r4, [r1]
 	movs r2, 0x80
 	lsls r2, 6
@@ -2248,7 +1405,7 @@ Task_BuyHowManyDialogueHandleInput: @ 80E0D88
 	ldr r1, =gTasks + 0x8
 	adds r5, r0, r1
 	adds r0, r5, 0x2
-	ldr r7, =gUnknown_02039F70
+	ldr r7, =gShopDataPtr
 	ldr r1, [r7]
 	ldr r2, =0x0000200a
 	adds r1, r2
@@ -2389,7 +1546,7 @@ BuyMenuTryMakePurchase: @ 80E0EDC
 	adds r4, r0, r1
 	movs r0, 0x1
 	bl PutWindowTilemap
-	ldr r6, =gUnknown_02039F60
+	ldr r6, =gMartInfo
 	ldrb r0, [r6, 0xF]
 	cmp r0, 0
 	bne _080E0F40
@@ -2459,7 +1616,7 @@ BuyMenuSubtractMoney: @ 80E0F88
 	movs r4, 0x92
 	lsls r4, 3
 	adds r0, r4
-	ldr r1, =gUnknown_02039F70
+	ldr r1, =gShopDataPtr
 	ldr r1, [r1]
 	movs r2, 0x80
 	lsls r2, 6
@@ -2475,7 +1632,7 @@ BuyMenuSubtractMoney: @ 80E0F88
 	movs r0, 0
 	movs r2, 0
 	bl PrintMoneyAmountInMoneyBox
-	ldr r0, =gUnknown_02039F60
+	ldr r0, =gMartInfo
 	ldrb r0, [r0, 0xF]
 	cmp r0, 0
 	bne _080E0FF0
@@ -2623,7 +1780,7 @@ BuyMenuPrintItemQuantityAndPrice: @ 80E10EC
 	movs r0, 0x4
 	movs r1, 0x11
 	bl FillWindowPixelBuffer
-	ldr r0, =gUnknown_02039F70
+	ldr r0, =gShopDataPtr
 	ldr r0, [r0]
 	movs r1, 0x80
 	lsls r1, 6
diff --git a/include/shop.h b/include/shop.h
index 9b14a672e..d7822ec31 100644
--- a/include/shop.h
+++ b/include/shop.h
@@ -3,6 +3,40 @@
 
 extern EWRAM_DATA struct ItemSlot gUnknown_02039F80[3];
 
+enum
+{
+    MART_TYPE_0, // normal mart
+    MART_TYPE_1,
+    MART_TYPE_2,
+};
+
+struct MartInfo
+{
+    /*0x0*/ void (* callback) (void);
+    /*0x4*/ const struct MenuAction *menuActions;
+    /*0x8*/ const u16 *itemList;
+    /*0xC*/ u16 itemCount;
+    /*0xE*/ u8 windowId;
+    /*0xF*/ u8 martType;
+};
+
+struct BuyMenuLabel
+{
+	u8 label[16];
+};
+
+struct ShopData
+{
+	/*0x0000*/ u8 filler0[0x2004];
+	/*0x2004*/ u16 unk2004;
+	/*0x2006*/ u8 filler2006[0x5];
+	/*0x200B*/ u8 unk200B;
+	/*0x200C*/ u8 unk200C;
+	/*0x200D*/ s8 unk200D;
+	/*0x200E*/ s8 unk200E;
+	/*0x200F*/ u8 filler200F[0xA1];
+};
+
 void CreatePokemartMenu(const u16 *);
 void CreateDecorationShop1Menu(const u16 *);
 void CreateDecorationShop2Menu(const u16 *);
diff --git a/include/strings.h b/include/strings.h
index e72360563..0515f953f 100644
--- a/include/strings.h
+++ b/include/strings.h
@@ -151,8 +151,6 @@ extern const u8 gMenuText_Confirm[];
 extern const u8 gMenuText_Show[];
 extern const u8 gMenuText_Give2[];
 
-extern const u8 gText_Cancel2[];
-
 extern const u8 gText_WithdrawPokemon[];
 extern const u8 gText_WithdrawMonDescription[];
 extern const u8 gText_DepositPokemon[];
@@ -843,4 +841,9 @@ extern const u8 gText_TwoDashes[];
 
 extern const u8 *const gReturnToXStringsTable2[];
 
+extern const u8 gText_CanIHelpWithAnythingElse[];
+extern const u8 gText_AnythingElseICanHelp[];
+extern const u8 gText_QuitShopping[];
+extern const u8 gText_PokedollarVar1[];
+
 #endif //GUARD_STRINGS_H
diff --git a/include/tv.h b/include/tv.h
index 7a938f888..4f1d7730f 100644
--- a/include/tv.h
+++ b/include/tv.h
@@ -50,5 +50,6 @@ void PutBattleUpdateOnTheAir(u8 opponentLinkPlayerId, u16 move, u16 speciesPlaye
 void BravoTrainerPokemonProfile_BeforeInterview1(u16 move);
 void UpdateTVScreensOnMap(int, int);
 void TV_PrintIntToStringVar(u8 varIdx, int value);
+void SaveRecordedItemPurchasesForTVShow(void);
 
 #endif //GUARD_TV_H
diff --git a/ld_script.txt b/ld_script.txt
index 668cf7c5a..1a94ae87a 100644
--- a/ld_script.txt
+++ b/ld_script.txt
@@ -138,6 +138,7 @@ SECTIONS {
         src/item.o(.text);
         src/contest.o(.text);
         asm/contest.o(.text);
+        src/shop.o(.text);
         asm/shop.o(.text);
         src/berry.o(.text);
         asm/script_menu.o(.text);
diff --git a/src/money.c b/src/money.c
index 98f25a42a..9f2348f18 100644
--- a/src/money.c
+++ b/src/money.c
@@ -6,10 +6,9 @@
 #include "menu.h"
 #include "window.h"
 #include "sprite.h"
+#include "strings.h"
 #include "decompress.h"
 
-extern const u8 gText_PokedollarVar1[];
-
 extern const u8 gMenuMoneyGfx[];
 extern const u8 gMenuMoneyPal[];
 
diff --git a/src/shop.c b/src/shop.c
new file mode 100755
index 000000000..5dc85859b
--- /dev/null
+++ b/src/shop.c
@@ -0,0 +1,360 @@
+#include "global.h"
+#include "bg.h"
+#include "decoration.h"
+#include "field_screen.h"
+#include "field_weather.h"
+#include "international_string_util.h"
+#include "item.h"
+#include "list_menu.h"
+#include "main.h"
+#include "malloc.h"
+#include "menu.h"
+#include "menu_helpers.h"
+#include "overworld.h"
+#include "palette.h"
+#include "scanline_effect.h"
+#include "script.h"
+#include "shop.h"
+#include "sound.h"
+#include "string_util.h"
+#include "strings.h"
+#include "tv.h"
+#include "constants/rgb.h"
+#include "constants/songs.h"
+
+extern struct ShopData *gShopDataPtr;
+extern struct ListMenuItem *gUnknown_02039F74;
+extern u8 (*gUnknown_02039F78)[16];
+extern struct MartInfo gMartInfo;
+
+extern const struct WindowTemplate gUnknown_08589A38[2];
+extern const struct MenuAction gUnknown_08589A10[3];
+extern const struct MenuAction gUnknown_08589A28[2];
+extern const struct ListMenuTemplate gUnknown_08589A48;
+extern const u8 gUnknown_08589AB3[];
+
+static void Task_ShopMenu(u8 taskId);
+void HandleShopMenuQuit(u8 taskId);
+void CB2_InitBuyMenu(void);
+static void Task_GoToBuyOrSellMenu(u8 taskId);
+void CB2_GoToSellMenu(void);
+void MapPostLoadHook_ExitBuyOrSellMenu(void);
+void Task_ExitSellMenu(u8 taskId);
+void ReturnToShopMenuAfterExitingSellMenu(u8 taskId);
+void BuyMenuDrawGraphics(void);
+void BuyMenuAddScrollIndicatorArrows(void);
+void Task_BuyMenu(u8 taskId);
+void BuyMenuBuildListMenuTemplate(void);
+void BuyMenuInitBgs(void);
+void BuyMenuInitWindows(void);
+void BuyMenuDecompressBgGraphics(void);
+void BuyMenuSetListEntry(struct ListMenuItem*, u16, u8*);
+void BuyMenuAddItemIcon(u16, u8);
+void BuyMenuRemoveItemIcon(u16, u8);
+void BuyMenuPrint(u8, const u8*, u8, u8, u8, u8);
+
+
+/*static*/ u8 CreateShopMenu(u8 martType)
+{
+    int numMenuItems;
+
+    ScriptContext2_Enable();
+    gMartInfo.martType = martType;
+
+    if (martType == MART_TYPE_0)
+    {
+        struct WindowTemplate winTemplate;
+        winTemplate = gUnknown_08589A38[0];
+        winTemplate.width = GetMaxWidthInMenuTable(gUnknown_08589A10, ARRAY_COUNT(gUnknown_08589A10));
+        gMartInfo.windowId = AddWindow(&winTemplate);
+        gMartInfo.menuActions = gUnknown_08589A10;
+        numMenuItems = ARRAY_COUNT(gUnknown_08589A10);
+    }
+    else
+    {
+        struct WindowTemplate winTemplate;
+        winTemplate = gUnknown_08589A38[1];
+        winTemplate.width = GetMaxWidthInMenuTable(gUnknown_08589A28, ARRAY_COUNT(gUnknown_08589A28));
+        gMartInfo.windowId = AddWindow(&winTemplate);
+        gMartInfo.menuActions = gUnknown_08589A28;
+        numMenuItems = ARRAY_COUNT(gUnknown_08589A28);
+    }
+
+    SetStandardWindowBorderStyle(gMartInfo.windowId, 0);
+    PrintMenuTable(gMartInfo.windowId, numMenuItems, gMartInfo.menuActions);
+    InitMenuInUpperLeftCornerPlaySoundWhenAPressed(gMartInfo.windowId, numMenuItems, 0);
+    PutWindowTilemap(gMartInfo.windowId);
+    CopyWindowToVram(gMartInfo.windowId, 1);
+
+    return CreateTask(Task_ShopMenu, 8);
+}
+
+/*static*/ void SetShopMenuCallback(void (* callback)(void))
+{
+    gMartInfo.callback = callback;
+}
+
+/*static*/ void SetShopItemsForSale(const u16 *items)
+{
+    u16 i = 0;
+
+    gMartInfo.itemList = items;
+    gMartInfo.itemCount = 0;
+
+    while (gMartInfo.itemList[i])
+    {
+        gMartInfo.itemCount++;
+        i++;
+    }
+}
+
+static void Task_ShopMenu(u8 taskId)
+{
+    s8 inputCode = Menu_ProcessInputNoWrapAround();
+    switch (inputCode)
+    {
+    case -2:
+        break;
+    case -1:
+        PlaySE(SE_SELECT);
+        HandleShopMenuQuit(taskId);
+        break;
+    default:
+        gMartInfo.menuActions[inputCode].func.void_u8(taskId);
+        break;
+    }
+}
+
+void HandleShopMenuBuy(u8 taskId)
+{
+    s16 *taskData = gTasks[taskId].data;
+    taskData[8] = (u32)CB2_InitBuyMenu >> 16;
+    taskData[9] = (u32)CB2_InitBuyMenu;
+    gTasks[taskId].func = Task_GoToBuyOrSellMenu;
+    FadeScreen(1, 0);
+}
+
+void HandleShopMenuSell(u8 taskId)
+{
+    s16 *taskData = gTasks[taskId].data;
+    taskData[8] = (u32)CB2_GoToSellMenu >> 16;
+    taskData[9] = (u32)CB2_GoToSellMenu;
+    gTasks[taskId].func = Task_GoToBuyOrSellMenu;
+    FadeScreen(1, 0);
+}
+
+void CB2_ExitSellMenu(void)
+{
+    gFieldCallback = MapPostLoadHook_ExitBuyOrSellMenu;
+    SetMainCallback2(CB2_ReturnToField);
+}
+
+/*static*/ void HandleShopMenuQuit(u8 taskId)
+{
+    sub_8198070(gMartInfo.windowId, 2);
+    RemoveWindow(gMartInfo.windowId);
+    SaveRecordedItemPurchasesForTVShow();
+    ScriptContext2_Disable();
+    DestroyTask(taskId);
+
+    if (gMartInfo.callback)
+        gMartInfo.callback();
+}
+
+static void Task_GoToBuyOrSellMenu(u8 taskId)
+{
+    s16 *taskData = gTasks[taskId].data;
+    if (!gPaletteFade.active)
+    {
+        DestroyTask(taskId);
+        SetMainCallback2((void *)((u16)taskData[8] << 16 | (u16)taskData[9]));
+    }
+}
+
+void MapPostLoadHook_ExitBuyOrSellMenu(void)
+{
+    pal_fill_black();
+    CreateTask(Task_ExitSellMenu, 8);
+}
+
+void Task_ExitSellMenu(u8 taskId)
+{
+    if (IsWeatherNotFadingIn() == TRUE)
+    {
+        if (gMartInfo.martType == MART_TYPE_2)
+            DisplayItemMessageOnField(taskId, gText_CanIHelpWithAnythingElse, ReturnToShopMenuAfterExitingSellMenu);
+        else
+            DisplayItemMessageOnField(taskId, gText_AnythingElseICanHelp, ReturnToShopMenuAfterExitingSellMenu);
+    }
+}
+
+void ReturnToShopMenuAfterExitingSellMenu(u8 taskId)
+{
+    CreateShopMenu(gMartInfo.martType);
+    DestroyTask(taskId);
+}
+
+void CB2_BuyMenu(void)
+{
+    RunTasks();
+    AnimateSprites();
+    BuildOamBuffer();
+    do_scheduled_bg_tilemap_copies_to_vram();
+    UpdatePaletteFade();
+}
+
+void VBlankCB_BuyMenu(void)
+{
+    LoadOam();
+    ProcessSpriteCopyRequests();
+    TransferPlttBuffer();
+}
+
+void CB2_InitBuyMenu(void)
+{
+    u8 taskId;
+
+    switch (gMain.state)
+    {
+    case 0:
+        SetVBlankHBlankCallbacksToNull();
+        CpuFastFill(0, (void *)OAM, 0x400);
+        ScanlineEffect_Stop();
+        reset_temp_tile_data_buffers();
+        FreeAllSpritePalettes();
+        ResetPaletteFade();
+        ResetSpriteData();
+        ResetTasks();
+        clear_scheduled_bg_copies_to_vram();
+        gShopDataPtr = AllocZeroed(sizeof(struct ShopData));
+        gShopDataPtr->unk200B = 0xFF;
+        gShopDataPtr->unk200D = -1;
+        gShopDataPtr->unk200E = -1;
+        BuyMenuBuildListMenuTemplate();
+        BuyMenuInitBgs();
+        FillBgTilemapBufferRect_Palette0(0, 0, 0, 0, 0x20, 0x20);
+        FillBgTilemapBufferRect_Palette0(1, 0, 0, 0, 0x20, 0x20);
+        FillBgTilemapBufferRect_Palette0(2, 0, 0, 0, 0x20, 0x20);
+        FillBgTilemapBufferRect_Palette0(3, 0, 0, 0, 0x20, 0x20);
+        BuyMenuInitWindows();
+        BuyMenuDecompressBgGraphics();
+        gMain.state++;
+        break;
+    case 1:
+        if (!free_temp_tile_data_buffers_if_possible())
+            gMain.state++;
+        break;
+    default:
+        BuyMenuDrawGraphics();
+        BuyMenuAddScrollIndicatorArrows();
+        taskId = CreateTask(Task_BuyMenu, 8);
+        gTasks[taskId].data[7] = ListMenuInit(&gMultiuseListMenuTemplate, 0, 0);
+        BlendPalettes(0xFFFFFFFF, 0x10, RGB_BLACK);
+        BeginNormalPaletteFade(0xFFFFFFFF, 0, 0x10, 0, RGB_BLACK);
+        SetVBlankCallback(VBlankCB_BuyMenu);
+        SetMainCallback2(CB2_BuyMenu);
+        break;
+    }
+}
+
+void BuyMenuFreeMemory(void)
+{
+    Free(gShopDataPtr);
+    Free(gUnknown_02039F74);
+    Free(gUnknown_02039F78);
+    FreeAllWindowBuffers();
+}
+
+void BuyMenuBuildListMenuTemplate(void)
+{
+    u16 i;
+    u16 itemCount;
+
+    gUnknown_02039F74 = Alloc((gMartInfo.itemCount + 1) * sizeof(*gUnknown_02039F74));
+    gUnknown_02039F78 = Alloc((gMartInfo.itemCount + 1) * sizeof(*gUnknown_02039F78));
+    for (i = 0; i < gMartInfo.itemCount; i++)
+        BuyMenuSetListEntry(&gUnknown_02039F74[i], gMartInfo.itemList[i], gUnknown_02039F78[i]);
+
+    StringCopy(gUnknown_02039F78[i], gText_Cancel2);
+    gUnknown_02039F74[i].name = gUnknown_02039F78[i];
+    gUnknown_02039F74[i].id = -2;
+
+    gMultiuseListMenuTemplate = gUnknown_08589A48;
+    gMultiuseListMenuTemplate.items = gUnknown_02039F74;
+    gMultiuseListMenuTemplate.totalItems = gMartInfo.itemCount + 1;
+    if (gMultiuseListMenuTemplate.totalItems > 8)
+        gMultiuseListMenuTemplate.maxShowed = 8;
+    else
+        gMultiuseListMenuTemplate.maxShowed = gMultiuseListMenuTemplate.totalItems;
+
+    gShopDataPtr->unk2004 = gMultiuseListMenuTemplate.maxShowed;
+}
+
+void BuyMenuSetListEntry(struct ListMenuItem *menuItem, u16 item, u8 *name)
+{
+    if (gMartInfo.martType == MART_TYPE_0)
+        CopyItemName(item, name);
+    else
+        StringCopy(name, gDecorations[item].name);
+
+    menuItem->name = name;
+    menuItem->id = item;
+}
+
+void BuyMenuPrintItemDescriptionAndShowItemIcon(int item, bool8 onInit, struct ListMenu *list)
+{
+    const u8 *description;
+    if (onInit != TRUE)
+        PlaySE(SE_SELECT);
+
+    if (item != -2)
+        BuyMenuAddItemIcon(item, gShopDataPtr->unk200C);
+    else
+        BuyMenuAddItemIcon(-1, gShopDataPtr->unk200C);
+
+    BuyMenuRemoveItemIcon(item, gShopDataPtr->unk200C ^ 1);
+    gShopDataPtr->unk200C ^= 1;
+    if (item != -2)
+    {
+        if (gMartInfo.martType == MART_TYPE_0)
+            description = ItemId_GetDescription(item);
+        else
+            description = gDecorations[item].description;
+    }
+    else
+    {
+        description = gText_QuitShopping;
+    }
+
+    FillWindowPixelBuffer(2, 0);
+    BuyMenuPrint(2, description, 3, 1, 0, 0);
+}
+
+void BuyMenuPrintPriceInList(u8 windowId, int item, u8 y)
+{
+    u8 x;
+
+    if (item != -2)
+    {
+        if (gMartInfo.martType == MART_TYPE_0)
+        {
+            ConvertIntToDecimalStringN(
+                gStringVar1,
+                ItemId_GetPrice(item) >> GetPriceReduction(1),
+                STR_CONV_MODE_LEFT_ALIGN,
+                5);
+        }
+        else
+        {
+            ConvertIntToDecimalStringN(
+                gStringVar1,
+                gDecorations[item].price,
+                STR_CONV_MODE_LEFT_ALIGN,
+                5);
+        }
+
+        StringExpandPlaceholders(gStringVar4, gText_PokedollarVar1);
+        x = GetStringRightAlignXOffset(7, gStringVar4, 0x78);
+        AddTextPrinterParameterized2(windowId, 7, x, y, 0, 0, gUnknown_08589AB3, -1, gStringVar4);
+    }
+}
diff --git a/sym_ewram.txt b/sym_ewram.txt
index bf2632e91..aad8b2d25 100644
--- a/sym_ewram.txt
+++ b/sym_ewram.txt
@@ -391,10 +391,10 @@ gUnknown_02039F5C: @ 2039F5C
 gUnknown_02039F5D: @ 2039F5D
 	.space 0x3
 
-gUnknown_02039F60: @ 2039F60
+gMartInfo: @ 2039F60
 	.space 0x10
 
-gUnknown_02039F70: @ 2039F70
+gShopDataPtr: @ 2039F70
 	.space 0x4
 
 gUnknown_02039F74: @ 2039F74