through InitTutorialBag

8 files changed, 256 insertions, 864 deletions

diff --git a/asm/item_menu.s b/asm/item_menu.s
index 20e9423e9..3bdc40756 100644
--- a/asm/item_menu.s
+++ b/asm/item_menu.s
@@ -5,858 +5,6 @@
 
 	.text
 
-	thumb_func_start sub_810A85C
-sub_810A85C: @ 810A85C
-	push {r4-r6,lr}
-	lsls r0, 24
-	lsrs r4, r0, 24
-	adds r6, r4, 0
-	lsls r0, r4, 2
-	adds r0, r4
-	lsls r0, 3
-	ldr r1, _0810A8B4 @ =gTasks+0x8
-	adds r5, r0, r1
-	adds r0, r5, 0
-	adds r0, 0x10
-	ldrh r1, [r5, 0x4]
-	bl AdjustQuantityAccordingToDPadInput
-	lsls r0, 24
-	lsrs r0, 24
-	cmp r0, 0x1
-	bne _0810A8BC
-	movs r1, 0x10
-	ldrsh r0, [r5, r1]
-	movs r1, 0x2
-	bl sub_81097E4
-	ldr r0, _0810A8B8 @ =gUnknown_203ACFC
-	ldrb r0, [r0, 0x6]
-	adds r0, 0x1
-	lsls r0, 24
-	lsrs r0, 24
-	ldrh r1, [r5, 0x2]
-	bl BagGetItemIdByPocketPosition
-	lsls r0, 16
-	lsrs r0, 16
-	bl itemid_get_market_price
-	lsls r0, 16
-	lsrs r0, 17
-	movs r2, 0x10
-	ldrsh r1, [r5, r2]
-	muls r0, r1
-	bl sub_810A834
-	b _0810A93A
-	.align 2, 0
-_0810A8B4: .4byte gTasks+0x8
-_0810A8B8: .4byte gUnknown_203ACFC
-_0810A8BC:
-	ldr r0, _0810A8EC @ =gMain
-	ldrh r1, [r0, 0x2E]
-	movs r0, 0x1
-	ands r0, r1
-	cmp r0, 0
-	beq _0810A8F0
-	movs r0, 0x5
-	bl PlaySE
-	movs r0, 0
-	bl sub_810BA3C
-	movs r0, 0
-	bl PutWindowTilemap
-	movs r0, 0
-	bl ScheduleBgCopyTilemapToVram
-	bl sub_8108978
-	adds r0, r4, 0
-	bl sub_810A690
-	b _0810A93A
-	.align 2, 0
-_0810A8EC: .4byte gMain
-_0810A8F0:
-	movs r0, 0x2
-	ands r0, r1
-	cmp r0, 0
-	beq _0810A93A
-	movs r0, 0x5
-	bl PlaySE
-	movs r0, 0
-	bl sub_810BA3C
-	movs r0, 0x2
-	bl sub_810BA3C
-	movs r0, 0x5
-	bl sub_810BA9C
-	movs r0, 0x2
-	bl PutWindowTilemap
-	movs r0, 0
-	bl PutWindowTilemap
-	movs r0, 0x1
-	bl PutWindowTilemap
-	movs r0, 0
-	bl ScheduleBgCopyTilemapToVram
-	bl sub_8108978
-	ldrb r0, [r5]
-	movs r1, 0x1
-	bl bag_menu_print_cursor_
-	adds r0, r6, 0
-	bl sub_810910C
-_0810A93A:
-	pop {r4-r6}
-	pop {r0}
-	bx r0
-	thumb_func_end sub_810A85C
-
-	thumb_func_start sub_810A940
-sub_810A940: @ 810A940
-	push {r4-r6,lr}
-	adds r5, r0, 0
-	lsls r5, 24
-	lsrs r5, 24
-	lsls r4, r5, 2
-	adds r4, r5
-	lsls r4, 3
-	ldr r0, _0810A9B4 @ =gTasks+0x8
-	adds r4, r0
-	movs r0, 0
-	bl PutWindowTilemap
-	movs r0, 0
-	bl ScheduleBgCopyTilemapToVram
-	ldr r0, _0810A9B8 @ =gSpecialVar_ItemId
-	ldrh r0, [r0]
-	ldr r1, _0810A9BC @ =gStringVar1
-	bl CopyItemName
-	ldr r6, _0810A9C0 @ =gStringVar3
-	ldr r0, _0810A9C4 @ =gUnknown_203ACFC
-	ldrb r0, [r0, 0x6]
-	adds r0, 0x1
-	lsls r0, 24
-	lsrs r0, 24
-	ldrh r1, [r4, 0x2]
-	bl BagGetItemIdByPocketPosition
-	lsls r0, 16
-	lsrs r0, 16
-	bl itemid_get_market_price
-	lsls r0, 16
-	lsrs r0, 17
-	movs r2, 0x10
-	ldrsh r1, [r4, r2]
-	muls r1, r0
-	adds r0, r6, 0
-	movs r2, 0
-	movs r3, 0x6
-	bl ConvertIntToDecimalStringN
-	ldr r4, _0810A9C8 @ =gStringVar4
-	ldr r1, _0810A9CC @ =gText_TurnedOverItemsWorthYen
-	adds r0, r4, 0
-	bl StringExpandPlaceholders
-	ldr r3, _0810A9D0 @ =sub_810A9D4
-	adds r0, r5, 0
-	movs r1, 0x2
-	adds r2, r4, 0
-	bl DisplayItemMessageInBag
-	pop {r4-r6}
-	pop {r0}
-	bx r0
-	.align 2, 0
-_0810A9B4: .4byte gTasks+0x8
-_0810A9B8: .4byte gSpecialVar_ItemId
-_0810A9BC: .4byte gStringVar1
-_0810A9C0: .4byte gStringVar3
-_0810A9C4: .4byte gUnknown_203ACFC
-_0810A9C8: .4byte gStringVar4
-_0810A9CC: .4byte gText_TurnedOverItemsWorthYen
-_0810A9D0: .4byte sub_810A9D4
-	thumb_func_end sub_810A940
-
-	thumb_func_start sub_810A9D4
-sub_810A9D4: @ 810A9D4
-	push {r4-r7,lr}
-	mov r7, r10
-	mov r6, r9
-	mov r5, r8
-	push {r5-r7}
-	lsls r0, 24
-	lsrs r0, 24
-	lsls r6, r0, 2
-	adds r6, r0
-	lsls r6, 3
-	ldr r0, _0810AAD8 @ =gTasks+0x8
-	mov r10, r0
-	adds r1, r6, 0
-	add r1, r10
-	mov r8, r1
-	movs r0, 0xF8
-	bl PlaySE
-	ldr r5, _0810AADC @ =gSpecialVar_ItemId
-	ldrh r0, [r5]
-	mov r2, r8
-	ldrh r1, [r2, 0x10]
-	bl RemoveBagItem
-	ldr r3, _0810AAE0 @ =gSaveBlock1Ptr
-	ldr r4, [r3]
-	movs r7, 0xA4
-	lsls r7, 2
-	adds r4, r7
-	ldrh r0, [r5]
-	bl itemid_get_market_price
-	lsls r0, 16
-	lsrs r0, 17
-	mov r2, r8
-	movs r3, 0x10
-	ldrsh r1, [r2, r3]
-	muls r1, r0
-	adds r0, r4, 0
-	bl AddMoney
-	ldrh r0, [r5]
-	mov r2, r8
-	ldrh r1, [r2, 0x10]
-	movs r2, 0x2
-	bl RecordItemPurchase
-	mov r3, r8
-	ldrb r0, [r3]
-	ldr r4, _0810AAE4 @ =gUnknown_203ACFC
-	ldrh r2, [r4, 0x6]
-	lsls r2, 1
-	adds r5, r4, 0
-	adds r5, 0xE
-	adds r1, r2, r5
-	movs r3, 0x8
-	adds r3, r4
-	mov r9, r3
-	add r2, r9
-	bl DestroyListMenuTask
-	ldrb r0, [r4, 0x6]
-	bl sub_8108DC8
-	ldrb r0, [r4, 0x6]
-	bl sub_81089F4
-	ldr r0, _0810AAE8 @ =gUnknown_203AD10
-	ldr r2, [r0]
-	ldrb r1, [r2, 0x5]
-	movs r0, 0x3F
-	ands r0, r1
-	movs r1, 0x40
-	orrs r0, r1
-	strb r0, [r2, 0x5]
-	ldrb r0, [r4, 0x6]
-	bl sub_810842C
-	ldr r0, _0810AAEC @ =gMultiuseListMenuTemplate
-	ldrh r2, [r4, 0x6]
-	lsls r2, 1
-	adds r5, r2, r5
-	ldrh r1, [r5]
-	add r2, r9
-	ldrh r2, [r2]
-	bl ListMenuInit
-	lsls r0, 24
-	lsrs r0, 24
-	mov r1, r8
-	strh r0, [r1]
-	movs r1, 0x2
-	bl bag_menu_print_cursor_
-	movs r0, 0x2
-	bl sub_810BAD8
-	lsls r0, 24
-	lsrs r0, 24
-	bl sub_810BB74
-	movs r0, 0x2
-	bl sub_810BAD8
-	adds r4, r0, 0
-	lsls r4, 24
-	lsrs r4, 24
-	ldr r2, _0810AAE0 @ =gSaveBlock1Ptr
-	ldr r0, [r2]
-	adds r0, r7
-	bl GetMoney
-	adds r1, r0, 0
-	adds r0, r4, 0
-	movs r2, 0
-	bl PrintMoneyAmountInMoneyBox
-	movs r3, 0x8
-	negs r3, r3
-	add r10, r3
-	add r6, r10
-	ldr r0, _0810AAF0 @ =sub_810AAF4
-	str r0, [r6]
-	pop {r3-r5}
-	mov r8, r3
-	mov r9, r4
-	mov r10, r5
-	pop {r4-r7}
-	pop {r0}
-	bx r0
-	.align 2, 0
-_0810AAD8: .4byte gTasks+0x8
-_0810AADC: .4byte gSpecialVar_ItemId
-_0810AAE0: .4byte gSaveBlock1Ptr
-_0810AAE4: .4byte gUnknown_203ACFC
-_0810AAE8: .4byte gUnknown_203AD10
-_0810AAEC: .4byte gMultiuseListMenuTemplate
-_0810AAF0: .4byte sub_810AAF4
-	thumb_func_end sub_810A9D4
-
-	thumb_func_start sub_810AAF4
-sub_810AAF4: @ 810AAF4
-	push {r4,lr}
-	lsls r0, 24
-	lsrs r4, r0, 24
-	ldr r0, _0810AB38 @ =gMain
-	ldrh r1, [r0, 0x2E]
-	movs r0, 0x1
-	ands r0, r1
-	cmp r0, 0
-	bne _0810AB0E
-	movs r0, 0x2
-	ands r0, r1
-	cmp r0, 0
-	beq _0810AB32
-_0810AB0E:
-	movs r0, 0x5
-	bl PlaySE
-	movs r0, 0x2
-	bl sub_810BA3C
-	movs r0, 0x2
-	bl PutWindowTilemap
-	ldr r0, _0810AB3C @ =gUnknown_203AD10
-	ldr r2, [r0]
-	ldrb r1, [r2, 0x5]
-	movs r0, 0x3F
-	ands r0, r1
-	strb r0, [r2, 0x5]
-	adds r0, r4, 0
-	bl sub_810A1F8
-_0810AB32:
-	pop {r4}
-	pop {r0}
-	bx r0
-	.align 2, 0
-_0810AB38: .4byte gMain
-_0810AB3C: .4byte gUnknown_203AD10
-	thumb_func_end sub_810AAF4
-
-	thumb_func_start sub_810AB40
-sub_810AB40: @ 810AB40
-	push {r4,r5,lr}
-	lsls r0, 24
-	lsrs r2, r0, 24
-	lsls r0, r2, 2
-	adds r0, r2
-	lsls r4, r0, 3
-	ldr r5, _0810AB64 @ =gTasks+0x8
-	adds r1, r4, r5
-	movs r0, 0x1
-	strh r0, [r1, 0x10]
-	movs r3, 0x4
-	ldrsh r0, [r1, r3]
-	cmp r0, 0x1
-	bne _0810AB68
-	adds r0, r2, 0
-	bl sub_810AC40
-	b _0810AB7A
-	.align 2, 0
-_0810AB64: .4byte gTasks+0x8
-_0810AB68:
-	ldrh r0, [r1, 0x2]
-	ldr r1, _0810AB80 @ =gUnknown_841638F
-	bl sub_810971C
-	adds r0, r5, 0
-	subs r0, 0x8
-	adds r0, r4, r0
-	ldr r1, _0810AB84 @ =sub_810AB88
-	str r1, [r0]
-_0810AB7A:
-	pop {r4,r5}
-	pop {r0}
-	bx r0
-	.align 2, 0
-_0810AB80: .4byte gUnknown_841638F
-_0810AB84: .4byte sub_810AB88
-	thumb_func_end sub_810AB40
-
-	thumb_func_start sub_810AB88
-sub_810AB88: @ 810AB88
-	push {r4-r6,lr}
-	lsls r0, 24
-	lsrs r5, r0, 24
-	adds r6, r5, 0
-	lsls r0, r5, 2
-	adds r0, r5
-	lsls r0, 3
-	ldr r1, _0810ABB8 @ =gTasks+0x8
-	adds r4, r0, r1
-	adds r0, r4, 0
-	adds r0, 0x10
-	ldrh r1, [r4, 0x4]
-	bl AdjustQuantityAccordingToDPadInput
-	lsls r0, 24
-	lsrs r0, 24
-	cmp r0, 0x1
-	bne _0810ABBC
-	movs r1, 0x10
-	ldrsh r0, [r4, r1]
-	movs r1, 0x3
-	bl sub_81097E4
-	b _0810AC38
-	.align 2, 0
-_0810ABB8: .4byte gTasks+0x8
-_0810ABBC:
-	ldr r0, _0810ABFC @ =gMain
-	ldrh r1, [r0, 0x2E]
-	movs r0, 0x1
-	ands r0, r1
-	cmp r0, 0
-	beq _0810AC00
-	movs r0, 0x5
-	bl PlaySE
-	movs r0, 0x6
-	bl sub_810BAD8
-	lsls r0, 24
-	lsrs r0, 24
-	bl ClearWindowTilemap
-	movs r0, 0x6
-	bl sub_810BA3C
-	movs r0, 0
-	bl sub_810BA3C
-	movs r0, 0
-	bl ScheduleBgCopyTilemapToVram
-	bl sub_8108978
-	adds r0, r5, 0
-	bl sub_810AC40
-	b _0810AC38
-	.align 2, 0
-_0810ABFC: .4byte gMain
-_0810AC00:
-	movs r0, 0x2
-	ands r0, r1
-	cmp r0, 0
-	beq _0810AC38
-	movs r0, 0x5
-	bl PlaySE
-	movs r0, 0x6
-	bl sub_810BA3C
-	movs r0, 0
-	bl sub_810BA3C
-	movs r0, 0x1
-	bl PutWindowTilemap
-	movs r0, 0
-	bl ScheduleBgCopyTilemapToVram
-	ldrb r0, [r4]
-	movs r1, 0x1
-	bl bag_menu_print_cursor_
-	bl sub_8108978
-	adds r0, r6, 0
-	bl sub_810910C
-_0810AC38:
-	pop {r4-r6}
-	pop {r0}
-	bx r0
-	thumb_func_end sub_810AB88
-
-	thumb_func_start sub_810AC40
-sub_810AC40: @ 810AC40
-	push {r4-r7,lr}
-	mov r7, r9
-	mov r6, r8
-	push {r6,r7}
-	sub sp, 0x14
-	lsls r0, 24
-	lsrs r4, r0, 24
-	lsls r0, r4, 2
-	adds r0, r4
-	lsls r0, 3
-	mov r8, r0
-	ldr r0, _0810ACCC @ =gTasks+0x8
-	mov r9, r0
-	mov r7, r8
-	add r7, r9
-	ldr r5, _0810ACD0 @ =gSpecialVar_ItemId
-	ldrh r0, [r5]
-	ldrh r1, [r7, 0x10]
-	bl AddPCItem
-	lsls r0, 24
-	lsrs r6, r0, 24
-	cmp r6, 0x1
-	bne _0810ACEC
-	ldrh r2, [r5]
-	ldr r3, _0810ACD4 @ =0x0000ffff
-	movs r0, 0x1C
-	movs r1, 0
-	bl ItemUse_SetQuestLogEvent
-	ldrh r0, [r5]
-	ldr r1, _0810ACD8 @ =gStringVar1
-	bl CopyItemName
-	ldr r0, _0810ACDC @ =gStringVar2
-	movs r2, 0x10
-	ldrsh r1, [r7, r2]
-	movs r2, 0
-	movs r3, 0x3
-	bl ConvertIntToDecimalStringN
-	ldr r4, _0810ACE0 @ =gStringVar4
-	ldr r1, _0810ACE4 @ =gUnknown_84163A7
-	adds r0, r4, 0
-	bl StringExpandPlaceholders
-	movs r0, 0x6
-	movs r1, 0x3
-	bl sub_810B9DC
-	lsls r0, 24
-	lsrs r0, 24
-	movs r1, 0x2
-	str r1, [sp]
-	str r6, [sp, 0x4]
-	movs r1, 0
-	str r1, [sp, 0x8]
-	str r1, [sp, 0xC]
-	str r6, [sp, 0x10]
-	movs r1, 0x2
-	adds r2, r4, 0
-	movs r3, 0
-	bl sub_810B8F0
-	mov r0, r9
-	subs r0, 0x8
-	add r0, r8
-	ldr r1, _0810ACE8 @ =sub_8109F44
-	str r1, [r0]
-	b _0810ACF8
-	.align 2, 0
-_0810ACCC: .4byte gTasks+0x8
-_0810ACD0: .4byte gSpecialVar_ItemId
-_0810ACD4: .4byte 0x0000ffff
-_0810ACD8: .4byte gStringVar1
-_0810ACDC: .4byte gStringVar2
-_0810ACE0: .4byte gStringVar4
-_0810ACE4: .4byte gUnknown_84163A7
-_0810ACE8: .4byte sub_8109F44
-_0810ACEC:
-	ldr r2, _0810AD08 @ =gUnknown_84163BB
-	ldr r3, _0810AD0C @ =sub_810A1D0
-	adds r0, r4, 0
-	movs r1, 0x2
-	bl DisplayItemMessageInBag
-_0810ACF8:
-	add sp, 0x14
-	pop {r3,r4}
-	mov r8, r3
-	mov r9, r4
-	pop {r4-r7}
-	pop {r0}
-	bx r0
-	.align 2, 0
-_0810AD08: .4byte gUnknown_84163BB
-_0810AD0C: .4byte sub_810A1D0
-	thumb_func_end sub_810AC40
-
-	thumb_func_start UseRegisteredKeyItemOnField
-UseRegisteredKeyItemOnField: @ 810AD10
-	push {r4-r6,lr}
-	bl InUnionRoom
-	cmp r0, 0x1
-	bne _0810AD1E
-	movs r0, 0
-	b _0810ADA0
-_0810AD1E:
-	bl DismissMapNamePopup
-	movs r0, 0
-	movs r1, 0
-	movs r2, 0
-	bl ChangeBgY
-	ldr r4, _0810AD80 @ =gSaveBlock1Ptr
-	ldr r0, [r4]
-	ldr r5, _0810AD84 @ =0x00000296
-	adds r1, r0, r5
-	ldrh r0, [r1]
-	cmp r0, 0
-	beq _0810AD98
-	movs r1, 0x1
-	bl CheckBagHasItem
-	lsls r0, 24
-	lsrs r6, r0, 24
-	cmp r6, 0x1
-	bne _0810AD90
-	bl ScriptContext2_Enable
-	bl FreezeObjectEvents
-	bl sub_805C270
-	bl sub_805C780
-	ldr r2, _0810AD88 @ =gSpecialVar_ItemId
-	ldr r0, [r4]
-	adds r0, r5
-	ldrh r1, [r0]
-	strh r1, [r2]
-	ldrh r0, [r0]
-	bl ItemId_GetFieldFunc
-	movs r1, 0x8
-	bl CreateTask
-	lsls r0, 24
-	lsrs r0, 24
-	ldr r2, _0810AD8C @ =gTasks
-	lsls r1, r0, 2
-	adds r1, r0
-	lsls r1, 3
-	adds r1, r2
-	strh r6, [r1, 0xE]
-	b _0810AD9E
-	.align 2, 0
-_0810AD80: .4byte gSaveBlock1Ptr
-_0810AD84: .4byte 0x00000296
-_0810AD88: .4byte gSpecialVar_ItemId
-_0810AD8C: .4byte gTasks
-_0810AD90:
-	ldr r0, [r4]
-	adds r0, r5
-	movs r1, 0
-	strh r1, [r0]
-_0810AD98:
-	ldr r0, _0810ADA8 @ =gUnknown_81A77A0
-	bl ScriptContext1_SetupScript
-_0810AD9E:
-	movs r0, 0x1
-_0810ADA0:
-	pop {r4-r6}
-	pop {r1}
-	bx r1
-	.align 2, 0
-_0810ADA8: .4byte gUnknown_81A77A0
-	thumb_func_end UseRegisteredKeyItemOnField
-
-	thumb_func_start sub_810ADAC
-sub_810ADAC: @ 810ADAC
-	push {lr}
-	ldr r0, _0810ADCC @ =gUnknown_203ACFC
-	ldrb r0, [r0, 0x4]
-	cmp r0, 0x6
-	beq _0810ADC6
-	cmp r0, 0x8
-	beq _0810ADC6
-	cmp r0, 0x7
-	beq _0810ADC6
-	cmp r0, 0x9
-	beq _0810ADC6
-	cmp r0, 0xA
-	bne _0810ADD0
-_0810ADC6:
-	movs r0, 0x1
-	b _0810ADD2
-	.align 2, 0
-_0810ADCC: .4byte gUnknown_203ACFC
-_0810ADD0:
-	movs r0, 0
-_0810ADD2:
-	pop {r1}
-	bx r1
-	thumb_func_end sub_810ADAC
-
-	thumb_func_start sub_810ADD8
-sub_810ADD8: @ 810ADD8
-	push {r4-r7,lr}
-	mov r7, r8
-	push {r7}
-	ldr r5, _0810AEBC @ =gUnknown_203AD2C
-	movs r0, 0xB2
-	lsls r0, 1
-	bl AllocZeroed
-	str r0, [r5]
-	ldr r4, _0810AEC0 @ =gSaveBlock1Ptr
-	ldr r1, [r4]
-	movs r2, 0xC4
-	lsls r2, 2
-	adds r1, r2
-	movs r2, 0xA8
-	bl memcpy
-	ldr r0, [r5]
-	adds r0, 0xA8
-	ldr r1, [r4]
-	movs r3, 0xEE
-	lsls r3, 2
-	adds r1, r3
-	movs r2, 0x78
-	bl memcpy
-	ldr r0, [r5]
-	movs r1, 0x90
-	lsls r1, 1
-	adds r0, r1
-	ldr r1, [r4]
-	movs r2, 0x86
-	lsls r2, 3
-	adds r1, r2
-	movs r2, 0x34
-	bl memcpy
-	ldr r2, [r5]
-	ldr r0, [r4]
-	ldr r3, _0810AEC4 @ =0x00000296
-	adds r0, r3
-	ldrh r1, [r0]
-	movs r3, 0xB0
-	lsls r3, 1
-	adds r0, r2, r3
-	strh r1, [r0]
-	ldr r1, _0810AEC8 @ =gUnknown_203ACFC
-	ldrh r0, [r1, 0x6]
-	adds r3, 0x2
-	adds r2, r3
-	strh r0, [r2]
-	movs r4, 0
-	mov r8, r5
-	movs r7, 0xAA
-	lsls r7, 1
-	movs r0, 0xE
-	adds r0, r1
-	mov r12, r0
-	movs r6, 0xAD
-	lsls r6, 1
-	adds r5, r1, 0
-	adds r5, 0x8
-_0810AE54:
-	mov r1, r8
-	ldr r2, [r1]
-	lsls r3, r4, 1
-	adds r0, r2, r7
-	adds r0, r3
-	ldrh r1, [r5]
-	strh r1, [r0]
-	adds r2, r6
-	adds r2, r3
-	mov r3, r12
-	ldrh r0, [r3]
-	strh r0, [r2]
-	movs r0, 0x2
-	add r12, r0
-	adds r5, 0x2
-	adds r4, 0x1
-	cmp r4, 0x2
-	bls _0810AE54
-	ldr r4, _0810AEC0 @ =gSaveBlock1Ptr
-	ldr r0, [r4]
-	movs r1, 0xC4
-	lsls r1, 2
-	adds r0, r1
-	movs r1, 0x2A
-	bl ClearItemSlots
-	ldr r0, [r4]
-	movs r2, 0xEE
-	lsls r2, 2
-	adds r0, r2
-	movs r1, 0x1E
-	bl ClearItemSlots
-	ldr r0, [r4]
-	movs r3, 0x86
-	lsls r3, 3
-	adds r0, r3
-	movs r1, 0xD
-	bl ClearItemSlots
-	ldr r0, [r4]
-	ldr r1, _0810AEC4 @ =0x00000296
-	adds r0, r1
-	movs r1, 0
-	strh r1, [r0]
-	bl sub_81089BC
-	pop {r3}
-	mov r8, r3
-	pop {r4-r7}
-	pop {r0}
-	bx r0
-	.align 2, 0
-_0810AEBC: .4byte gUnknown_203AD2C
-_0810AEC0: .4byte gSaveBlock1Ptr
-_0810AEC4: .4byte 0x00000296
-_0810AEC8: .4byte gUnknown_203ACFC
-	thumb_func_end sub_810ADD8
-
-	thumb_func_start sub_810AECC
-sub_810AECC: @ 810AECC
-	push {r4-r7,lr}
-	ldr r4, _0810AF64 @ =gSaveBlock1Ptr
-	ldr r0, [r4]
-	movs r1, 0xC4
-	lsls r1, 2
-	adds r0, r1
-	ldr r5, _0810AF68 @ =gUnknown_203AD2C
-	ldr r1, [r5]
-	movs r2, 0xA8
-	bl memcpy
-	ldr r0, [r4]
-	movs r2, 0xEE
-	lsls r2, 2
-	adds r0, r2
-	ldr r1, [r5]
-	adds r1, 0xA8
-	movs r2, 0x78
-	bl memcpy
-	ldr r0, [r4]
-	movs r3, 0x86
-	lsls r3, 3
-	adds r0, r3
-	ldr r1, [r5]
-	movs r2, 0x90
-	lsls r2, 1
-	adds r1, r2
-	movs r2, 0x34
-	bl memcpy
-	ldr r1, [r4]
-	ldr r2, [r5]
-	movs r3, 0xB0
-	lsls r3, 1
-	adds r0, r2, r3
-	ldrh r0, [r0]
-	ldr r3, _0810AF6C @ =0x00000296
-	adds r1, r3
-	strh r0, [r1]
-	ldr r1, _0810AF70 @ =gUnknown_203ACFC
-	movs r3, 0xB1
-	lsls r3, 1
-	adds r0, r2, r3
-	ldrh r0, [r0]
-	strh r0, [r1, 0x6]
-	movs r4, 0
-	mov r12, r5
-	adds r3, r1, 0
-	adds r3, 0x8
-	mov r7, r12
-	movs r6, 0xAA
-	lsls r6, 1
-	movs r5, 0xAD
-	lsls r5, 1
-_0810AF3A:
-	lsls r2, r4, 1
-	ldr r1, [r7]
-	adds r0, r1, r6
-	adds r0, r2
-	ldrh r0, [r0]
-	strh r0, [r3]
-	adds r1, r5
-	adds r1, r2
-	ldrh r0, [r1]
-	strh r0, [r3, 0x6]
-	adds r3, 0x2
-	adds r4, 0x1
-	cmp r4, 0x2
-	bls _0810AF3A
-	mov r1, r12
-	ldr r0, [r1]
-	bl Free
-	pop {r4-r7}
-	pop {r0}
-	bx r0
-	.align 2, 0
-_0810AF64: .4byte gSaveBlock1Ptr
-_0810AF68: .4byte gUnknown_203AD2C
-_0810AF6C: .4byte 0x00000296
-_0810AF70: .4byte gUnknown_203ACFC
-	thumb_func_end sub_810AECC
-
-	thumb_func_start sub_810AF74
-sub_810AF74: @ 810AF74
-	push {lr}
-	bl sub_810ADD8
-	movs r0, 0xD
-	movs r1, 0x1
-	bl AddBagItem
-	movs r0, 0x4
-	movs r1, 0x1
-	bl AddBagItem
-	ldr r2, _0810AF98 @ =SetCB2ToReshowScreenAfterMenu2
-	movs r0, 0x6
-	movs r1, 0
-	bl GoToBagMenu
-	pop {r0}
-	bx r0
-	.align 2, 0
-_0810AF98: .4byte SetCB2ToReshowScreenAfterMenu2
-	thumb_func_end sub_810AF74
-
 	thumb_func_start sub_810AF9C
 sub_810AF9C: @ 810AF9C
 	push {r4-r7,lr}
@@ -936,7 +84,7 @@ _0810B01C:
 	movs r1, 0
 	movs r2, 0
 	bl DestroyListMenuTask
-	bl sub_810AECC
+	bl RestorePlayerBag
 	bl sub_8108CB4
 	adds r0, r7, 0
 	subs r0, 0x8
@@ -1037,7 +185,7 @@ sub_810B108: @ 810B108
 	push {r4,lr}
 	lsls r0, 24
 	lsrs r4, r0, 24
-	bl sub_810ADD8
+	bl BackUpPlayerBag
 	movs r0, 0xD
 	movs r1, 0x1
 	bl AddBagItem
@@ -1105,7 +253,7 @@ sub_810B180: @ 810B180
 	.align 2, 0
 _0810B198: .4byte gMain
 _0810B19C:
-	bl sub_810AECC
+	bl RestorePlayerBag
 	bl SetTeachyTvControllerModeToResume
 	ldr r0, _0810B1C4 @ =gUnknown_203AD10
 	ldr r1, [r0]
@@ -1307,7 +455,7 @@ _0810B344:
 	movs r1, 0
 	movs r2, 0
 	bl DestroyListMenuTask
-	bl sub_810AECC
+	bl RestorePlayerBag
 	bl sub_8108CB4
 	adds r0, r6, 0
 	subs r0, 0x8
@@ -1462,7 +610,7 @@ _0810B468:
 	movs r1, 0
 	movs r2, 0
 	bl DestroyListMenuTask
-	bl sub_810AECC
+	bl RestorePlayerBag
 	bl sub_8108CB4
 	adds r0, r7, 0
 	subs r0, 0x8
@@ -1578,7 +726,7 @@ _0810B564:
 	movs r1, 0
 	movs r2, 0
 	bl DestroyListMenuTask
-	bl sub_810AECC
+	bl RestorePlayerBag
 	ldr r1, _0810B5B0 @ =gItemUseCB
 	ldr r0, _0810B5B4 @ =ItemUseCB_MedicineStep
 	str r0, [r1]
@@ -1713,7 +861,7 @@ _0810B68C:
 	movs r1, 0
 	movs r2, 0
 	bl DestroyListMenuTask
-	bl sub_810AECC
+	bl RestorePlayerBag
 	ldr r0, _0810B6D4 @ =gUnknown_203AD10
 	ldr r1, [r0]
 	ldr r0, _0810B6D8 @ =PokeDude_InitTMCase
diff --git a/data/strings.s b/data/strings.s
index c572f6bc9..d25e28e94 100644
--- a/data/strings.s
+++ b/data/strings.s
@@ -596,15 +596,15 @@ gText_TheStrVar1CantBeHeldHere:: @ 8416374
 	.string "The {STR_VAR_1} can't be held\n"
 	.string "here.$"
 
-gUnknown_841638F:: @ 841638F
+gText_DepositHowManyStrVars1:: @ 841638F
 	.string "Deposit how many\n"
 	.string "{STR_VAR_1}(s)?$"
 
-gUnknown_84163A7:: @ 84163A7
+gText_DepositedStrVar2StrVar1s:: @ 84163A7
 	.string "Deposited {STR_VAR_2}\n"
 	.string "{STR_VAR_1}(s).$"
 
-gUnknown_84163BB:: @ 84163BB
+gText_NoRoomToStoreItems:: @ 84163BB
 	.string "There's no room to\n"
 	.string "store items.$"
 
diff --git a/include/event_scripts.h b/include/event_scripts.h
index b5e355484..dcbe2c137 100644
--- a/include/event_scripts.h
+++ b/include/event_scripts.h
@@ -1195,4 +1195,6 @@ extern const u8 Text_1A5D31[];
 extern const u8 Text_1A5D6E[];
 extern const u8 Text_1A5DB1[];
 
+extern const u8 gUnknown_81A77A0[];
+
 #endif //GUARD_EVENT_SCRIPTS_H
diff --git a/include/item_menu.h b/include/item_menu.h
index 43159401a..d8257ccf1 100644
--- a/include/item_menu.h
+++ b/include/item_menu.h
@@ -37,7 +37,7 @@ void ItemMenu_SetExitCallback(void (*)(void));
 void DisplayItemMessageInBag(u8 taskId, u8 fontId, const u8 * string, TaskFunc followUpFunc);
 void sub_810A1F8(u8 taskId);
 void sub_8107ECC(void);
-void sub_810AF74(void);
+void InitTutorialBag(void);
 void sub_8108DC8(u8 pocketId);
 void sub_81089F4(u8 pocketId);
 void GoToBagMenu(u8 menuType, u8 pocket, MainCallback callback);
diff --git a/include/map_name_popup.h b/include/map_name_popup.h
index c8ce02c30..a7c1234c6 100644
--- a/include/map_name_popup.h
+++ b/include/map_name_popup.h
@@ -4,5 +4,6 @@
 #include "global.h"
 
 void CreateMapNamePopupIfNotAlreadyRunning(bool32 palIntoFadedBuffer);
+void DismissMapNamePopup(void);
 
 #endif //GUARD_MAP_NAME_POPUP_H
diff --git a/include/strings.h b/include/strings.h
index 0d70d9e19..852e88a5c 100644
--- a/include/strings.h
+++ b/include/strings.h
@@ -1049,5 +1049,8 @@ extern const u8 gText_PokeBalls2[];
 extern const u8 gText_KeyItems2[];
 extern const u8 gText_CloseBag[];
 extern const u8 gText_CantWriteMailHere[];
+extern const u8 gText_DepositHowManyStrVars1[];
+extern const u8 gText_DepositedStrVar2StrVar1s[];
+extern const u8 gText_NoRoomToStoreItems[];
 
 #endif //GUARD_STRINGS_H
diff --git a/src/battle_controller_oak_old_man.c b/src/battle_controller_oak_old_man.c
index 6ae50d058..a027808af 100644
--- a/src/battle_controller_oak_old_man.c
+++ b/src/battle_controller_oak_old_man.c
@@ -381,7 +381,7 @@ static void OpenBagAndChooseItem(void)
         if (gBattleTypeFlags & BATTLE_TYPE_FIRST_BATTLE)
             sub_8107ECC();
         else
-            sub_810AF74();
+            InitTutorialBag();
     }
 }
 
diff --git a/src/item_menu.c b/src/item_menu.c
index b73d9f1a8..8efb9cd6f 100644
--- a/src/item_menu.c
+++ b/src/item_menu.c
@@ -4,15 +4,19 @@
 #include "battle_controllers.h"
 #include "berry_pouch.h"
 #include "decompress.h"
+#include "event_scripts.h"
+#include "event_object_80688E4.h"
 #include "field_player_avatar.h"
 #include "graphics.h"
 #include "help_system.h"
 #include "item.h"
 #include "item_menu.h"
 #include "item_menu_icons.h"
+#include "item_use.h"
 #include "link.h"
 #include "list_menu.h"
 #include "mail_data.h"
+#include "map_name_popup.h"
 #include "menu.h"
 #include "menu_indicators.h"
 #include "money.h"
@@ -21,6 +25,8 @@
 #include "party_menu.h"
 #include "pokemon_storage_system.h"
 #include "scanline_effect.h"
+#include "script.h"
+#include "shop.h"
 #include "strings.h"
 #include "tm_case.h"
 #include "constants/items.h"
@@ -43,6 +49,17 @@ struct BagMenuAlloc
     u8 data[4];
 };
 
+struct BagSlots
+{
+    struct ItemSlot bagPocket_Items[BAG_ITEMS_COUNT];
+    struct ItemSlot bagPocket_KeyItems[BAG_KEYITEMS_COUNT];
+    struct ItemSlot bagPocket_PokeBalls[BAG_POKEBALLS_COUNT];
+    u16 itemsAbove[3];
+    u16 cursorPos[3];
+    u16 registeredItem;
+    u16 pocket;
+};
+
 EWRAM_DATA struct BagStruct gUnknown_203ACFC = {};
 EWRAM_DATA struct BagMenuAlloc * gUnknown_203AD10 = NULL;
 EWRAM_DATA void * gUnknown_203AD14 = NULL;
@@ -51,6 +68,7 @@ EWRAM_DATA u8 (*gUnknown_203AD1C)[19] = NULL;
 EWRAM_DATA u8 gUnknown_203AD20[4] = {};
 EWRAM_DATA const u8 *gUnknown_203AD24 = NULL;
 EWRAM_DATA u8 gUnknown_203AD28 = 0;
+EWRAM_DATA struct BagSlots * gUnknown_203AD2C = NULL;
 
 void sub_8107F10(void);
 bool8 sub_8107F3C(void);
@@ -124,7 +142,11 @@ void sub_810A770(u8 taskId);
 void sub_810A834(s32 price);
 void sub_810A85C(u8 taskId);
 void sub_810A940(u8 taskId);
+void sub_810A9D4(u8 taskId);
+void sub_810AAF4(u8 taskId);
 void sub_810AB40(u8 taskId);
+void sub_810AB88(u8 taskId);
+void sub_810AC40(u8 taskId);
 bool8 sub_810ADAC(void);
 void sub_810AF9C(u8 taskId);
 void sub_810B1D4(u8 taskId);
@@ -1855,3 +1877,219 @@ void sub_810A834(s32 amount)
 {
     PrintMoneyAmount(sub_810BAD8(0), 56, 10, amount, 0);
 }
+
+void sub_810A85C(u8 taskId)
+{
+    s16 *data = gTasks[taskId].data;
+    if (AdjustQuantityAccordingToDPadInput(&data[8], data[2]) == TRUE)
+    {
+        sub_81097E4(data[8], 2);
+        sub_810A834(itemid_get_market_price(BagGetItemIdByPocketPosition(gUnknown_203ACFC.pocket + 1, data[1])) / 2 * data[8]);
+    }
+    else if (JOY_NEW(A_BUTTON))
+    {
+        PlaySE(SE_SELECT);
+        sub_810BA3C(0);
+        PutWindowTilemap(0);
+        ScheduleBgCopyTilemapToVram(0);
+        sub_8108978();
+        sub_810A690(taskId);
+    }
+    else if (JOY_NEW(B_BUTTON))
+    {
+        PlaySE(SE_SELECT);
+        sub_810BA3C(0);
+        sub_810BA3C(2);
+        sub_810BA9C(5);
+        PutWindowTilemap(2);
+        PutWindowTilemap(0);
+        PutWindowTilemap(1);
+        ScheduleBgCopyTilemapToVram(0);
+        sub_8108978();
+        bag_menu_print_cursor_(data[0], 1);
+        sub_810910C(taskId);
+    }
+}
+
+void sub_810A940(u8 taskId)
+{
+    s16 *data = gTasks[taskId].data;
+    PutWindowTilemap(0);
+    ScheduleBgCopyTilemapToVram(0);
+    CopyItemName(gSpecialVar_ItemId, gStringVar1);
+    ConvertIntToDecimalStringN(gStringVar3, itemid_get_market_price(BagGetItemIdByPocketPosition(gUnknown_203ACFC.pocket + 1, data[1])) / 2 * data[8], STR_CONV_MODE_LEFT_ALIGN, 6);
+    StringExpandPlaceholders(gStringVar4, gText_TurnedOverItemsWorthYen);
+    DisplayItemMessageInBag(taskId, 2, gStringVar4, sub_810A9D4);
+}
+
+void sub_810A9D4(u8 taskId)
+{
+    s16 *data = gTasks[taskId].data;
+    PlaySE(SE_SHOP);
+    RemoveBagItem(gSpecialVar_ItemId, data[8]);
+    AddMoney(&gSaveBlock1Ptr->money, itemid_get_market_price(gSpecialVar_ItemId) / 2 * data[8]);
+    RecordItemPurchase(gSpecialVar_ItemId, data[8], 2);
+    DestroyListMenuTask(data[0], &gUnknown_203ACFC.cursorPos[gUnknown_203ACFC.pocket], &gUnknown_203ACFC.itemsAbove[gUnknown_203ACFC.pocket]);
+    sub_8108DC8(gUnknown_203ACFC.pocket);
+    sub_81089F4(gUnknown_203ACFC.pocket);
+    gUnknown_203AD10->field_05_6 = 1;
+    sub_810842C(gUnknown_203ACFC.pocket);
+    data[0] = ListMenuInit(&gMultiuseListMenuTemplate, gUnknown_203ACFC.cursorPos[gUnknown_203ACFC.pocket], gUnknown_203ACFC.itemsAbove[gUnknown_203ACFC.pocket]);
+    bag_menu_print_cursor_(data[0], 2);
+    sub_810BB74(sub_810BAD8(2));
+    PrintMoneyAmountInMoneyBox(sub_810BAD8(2), GetMoney(&gSaveBlock1Ptr->money), 0);
+    gTasks[taskId].func = sub_810AAF4;
+}
+
+void sub_810AAF4(u8 taskId)
+{
+    if (JOY_NEW(A_BUTTON) || JOY_NEW(B_BUTTON))
+    {
+        PlaySE(SE_SELECT);
+        sub_810BA3C(2);
+        PutWindowTilemap(2);
+        gUnknown_203AD10->field_05_6 = 0;
+        sub_810A1F8(taskId);
+    }
+}
+
+void sub_810AB40(u8 taskId)
+{
+    s16 *data = gTasks[taskId].data;
+    data[8] = 1;
+    if (data[2] == 1)
+    {
+        sub_810AC40(taskId);
+    }
+    else
+    {
+        sub_810971C(data[1], gText_DepositHowManyStrVars1);
+        gTasks[taskId].func = sub_810AB88;
+    }
+}
+
+void sub_810AB88(u8 taskId)
+{
+    s16 *data = gTasks[taskId].data;
+    if (AdjustQuantityAccordingToDPadInput(&data[8], data[2]) == TRUE)
+    {
+        sub_81097E4(data[8], 3);
+    }
+    else if (JOY_NEW(A_BUTTON))
+    {
+        PlaySE(SE_SELECT);
+        ClearWindowTilemap(sub_810BAD8(6));
+        sub_810BA3C(6);
+        sub_810BA3C(0);
+        ScheduleBgCopyTilemapToVram(0);
+        sub_8108978();
+        sub_810AC40(taskId);
+    }
+    else if (JOY_NEW(B_BUTTON))
+    {
+        PlaySE(SE_SELECT);
+        sub_810BA3C(6);
+        sub_810BA3C(0);
+        PutWindowTilemap(1);
+        ScheduleBgCopyTilemapToVram(0);
+        bag_menu_print_cursor_(data[0], 1);
+        sub_8108978();
+        sub_810910C(taskId);
+    }
+}
+
+void sub_810AC40(u8 taskId)
+{
+    s16 *data = gTasks[taskId].data;
+    if (AddPCItem(gSpecialVar_ItemId, data[8]) == TRUE)
+    {
+        ItemUse_SetQuestLogEvent(28, 0, gSpecialVar_ItemId, 0xFFFF);
+        CopyItemName(gSpecialVar_ItemId, gStringVar1);
+        ConvertIntToDecimalStringN(gStringVar2, data[8], STR_CONV_MODE_LEFT_ALIGN, 3);
+        StringExpandPlaceholders(gStringVar4, gText_DepositedStrVar2StrVar1s);
+        sub_810B8F0(sub_810B9DC(6, 3), 2, gStringVar4, 0, 2, 1, 0, 0, 1);
+        gTasks[taskId].func = sub_8109F44;
+    }
+    else
+    {
+        DisplayItemMessageInBag(taskId, 2, gText_NoRoomToStoreItems, sub_810A1D0);
+    }
+}
+
+bool8 UseRegisteredKeyItemOnField(void)
+{
+    u8 taskId;
+    if (InUnionRoom() == TRUE)
+        return FALSE;
+    DismissMapNamePopup();
+    ChangeBgY(0, 0, 0);
+    if (gSaveBlock1Ptr->registeredItem != ITEM_NONE)
+    {
+        if (CheckBagHasItem(gSaveBlock1Ptr->registeredItem, 1) == TRUE)
+        {
+            ScriptContext2_Enable();
+            FreezeObjectEvents();
+            sub_805C270();
+            sub_805C780();
+            gSpecialVar_ItemId = gSaveBlock1Ptr->registeredItem;
+            taskId = CreateTask(ItemId_GetFieldFunc(gSaveBlock1Ptr->registeredItem), 8);
+            gTasks[taskId].data[3] = 1;
+            return TRUE;
+        }
+        gSaveBlock1Ptr->registeredItem = ITEM_NONE;
+    }
+    ScriptContext1_SetupScript(gUnknown_81A77A0);
+    return TRUE;
+}
+
+bool8 sub_810ADAC(void)
+{
+    if (gUnknown_203ACFC.location == 6 || gUnknown_203ACFC.location == 8 || gUnknown_203ACFC.location == 7 || gUnknown_203ACFC.location == 9 || gUnknown_203ACFC.location == 10)
+        return TRUE;
+    return FALSE;
+}
+
+void BackUpPlayerBag(void)
+{
+    u32 i;
+    gUnknown_203AD2C = AllocZeroed(sizeof(struct BagSlots));
+    memcpy(gUnknown_203AD2C->bagPocket_Items, gSaveBlock1Ptr->bagPocket_Items, BAG_ITEMS_COUNT * sizeof(struct ItemSlot));
+    memcpy(gUnknown_203AD2C->bagPocket_KeyItems, gSaveBlock1Ptr->bagPocket_KeyItems, BAG_KEYITEMS_COUNT * sizeof(struct ItemSlot));
+    memcpy(gUnknown_203AD2C->bagPocket_PokeBalls, gSaveBlock1Ptr->bagPocket_PokeBalls, BAG_POKEBALLS_COUNT * sizeof(struct ItemSlot));
+    gUnknown_203AD2C->registeredItem = gSaveBlock1Ptr->registeredItem;
+    gUnknown_203AD2C->pocket = gUnknown_203ACFC.pocket;
+    for (i = 0; i < 3; i++)
+    {
+        gUnknown_203AD2C->itemsAbove[i] = gUnknown_203ACFC.itemsAbove[i];
+        gUnknown_203AD2C->cursorPos[i] = gUnknown_203ACFC.cursorPos[i];
+    }
+    ClearItemSlots(gSaveBlock1Ptr->bagPocket_Items, BAG_ITEMS_COUNT);
+    ClearItemSlots(gSaveBlock1Ptr->bagPocket_KeyItems, BAG_KEYITEMS_COUNT);
+    ClearItemSlots(gSaveBlock1Ptr->bagPocket_PokeBalls, BAG_POKEBALLS_COUNT);
+    gSaveBlock1Ptr->registeredItem = ITEM_NONE;
+    sub_81089BC();
+}
+
+void RestorePlayerBag(void)
+{
+    u32 i;
+    memcpy(gSaveBlock1Ptr->bagPocket_Items, gUnknown_203AD2C->bagPocket_Items, BAG_ITEMS_COUNT * sizeof(struct ItemSlot));
+    memcpy(gSaveBlock1Ptr->bagPocket_KeyItems, gUnknown_203AD2C->bagPocket_KeyItems, BAG_KEYITEMS_COUNT * sizeof(struct ItemSlot));
+    memcpy(gSaveBlock1Ptr->bagPocket_PokeBalls, gUnknown_203AD2C->bagPocket_PokeBalls, BAG_POKEBALLS_COUNT * sizeof(struct ItemSlot));
+    gSaveBlock1Ptr->registeredItem = gUnknown_203AD2C->registeredItem;
+    gUnknown_203ACFC.pocket = gUnknown_203AD2C->pocket;
+    for (i = 0; i < 3; i++)
+    {
+        gUnknown_203ACFC.itemsAbove[i] = gUnknown_203AD2C->itemsAbove[i];
+        gUnknown_203ACFC.cursorPos[i] = gUnknown_203AD2C->cursorPos[i];
+    }
+    Free(gUnknown_203AD2C);
+}
+
+void InitTutorialBag(void)
+{
+    BackUpPlayerBag();
+    AddBagItem(ITEM_POTION, 1);
+    AddBagItem(ITEM_POKE_BALL, 1);
+    GoToBagMenu(6, 0, SetCB2ToReshowScreenAfterMenu2);
+}