Disassemble field debug (bank $3f) (#97)

* Disassemble SFX and cries

* Disassemble clock dialog

* Disassemble slot machine minigame

* Disassemble AnimateTilesetImpl

* Disassemble start menu frame type dialog

* Disassemble field menu

* Split debug menus into debug folder

* Remove redundant shims

37 files changed, 3479 insertions, 24 deletions

diff --git a/constants/movement_constants.asm b/constants/movement_constants.asm
index 6347318..ff920a0 100644
--- a/constants/movement_constants.asm
+++ b/constants/movement_constants.asm
@@ -42,3 +42,12 @@
 	const MOVEMENT_28       ; $28
 	const MOVEMENT_29       ; $29
 	const NO_MOVEMENT       ; $2a
+	const MOVEMENT_2B       ; $2b
+	const MOVEMENT_2C       ; $2c
+	const MOVEMENT_2D       ; $2d
+	const MOVEMENT_2E       ; $2e
+	const MOVEMENT_2F       ; $2f
+	const MOVEMENT_30       ; $30
+	const MOVEMENT_31       ; $31
+	const MOVEMENT_32       ; $32
+	const MOVEMENT_33       ; $33
diff --git a/constants/sfx_constants.asm b/constants/sfx_constants.asm
index a0a3418..b5d7fd0 100644
--- a/constants/sfx_constants.asm
+++ b/constants/sfx_constants.asm
@@ -9,12 +9,17 @@ SFX_BOOT_PC                     EQU $0A
 SFX_ESCAPE_ROPE                 EQU $0B ; player shrink
 SFX_WRONG                       EQU $14
 SFX_SWITCH_POKEMON              EQU $1B
+SFX_1E                          EQU $1E
 SFX_POKEFLUTE                   EQU $21
+SFX_22                          EQU $22
+SFX_24                          EQU $24
+SFX_25                          EQU $25
 SFX_POKEDEX_REGISTRATION        EQU $27
 SFX_TITLE_ENTRANCE              EQU $2D
 SFX_PAY_DAY                     EQU $30
 SFX_GAME_FREAK_LOGO_RG          EQU $31
 
+SFX_SHINE                       EQU $62
 
 ; R/G/B/Y fanfares
 SFX_GET_ITEM_RG                 EQU $63
diff --git a/constants/wram_constants.asm b/constants/wram_constants.asm
index ff00944..f2298ae 100644
--- a/constants/wram_constants.asm
+++ b/constants/wram_constants.asm
@@ -27,3 +27,13 @@ PLAYER_SURF_PIKA EQU 8
 	const DEBUG_BATTLE_F
 	const DEBUG_FIELD_F
 	const CONTINUED_F
+
+
+; wToolgearFlags::
+SHOW_TOOLGEAR_F      EQU 0
+TOOLGEAR_TO_WINDOW_F EQU 2
+HIDE_TOOLGEAR_F      EQU 7
+
+; wd153::
+TOOLGEAR_COORDS_F       EQU 0
+OVERWORLD_MINUTE_TIME_F EQU 7
diff --git a/data/field_debug_entries.inc b/data/field_debug_entries.inc
new file mode 100644
index 0000000..c304e80
--- /dev/null
+++ b/data/field_debug_entries.inc
@@ -0,0 +1,130 @@
+; FieldDebug_Jumptable constants
+	const_def
+	const FIELDDEBUG_RESET                   ; 0
+	const FIELDDEBUG_CLOSE_MENU              ; 1
+	const FIELDDEBUG_FRAME_TYPE              ; 2
+	const FIELDDEBUG_MINIGAMES               ; 3
+	const FIELDDEBUG_CHANGE_TRANSPORTATION   ; 4
+	const FIELDDEBUG_CHANGE_TILESET          ; 5
+	const FIELDDEBUG_TOWN_MAP                ; 6
+	const FIELDDEBUG_SPRITE_VIEWER           ; 7
+	const FIELDDEBUG_NAME_PLAYER             ; 8
+	const FIELDDEBUG_TOOLGEAR                ; 9
+	const FIELDDEBUG_CLEAR_EVENT_FLAGS       ; $a
+	const FIELDDEBUG_HEAL_POKEMON            ; $b
+	const FIELDDEBUG_CABLE_CLUB              ; $c
+	const FIELDDEBUG_GO_TO_NEXT_PAGE         ; $d
+	const FIELDDEBUG_NPC_MOVEMENT_TEST       ; $e
+	const FIELDDEBUG_POKEMON_FOLLOWING       ; $f
+	const FIELDDEBUG_FOLLOW_NPC_TEST         ; $10
+	const FIELDDEBUG_WARP                    ; $11
+	const FIELDDEBUG_FIELD_CUT               ; $12
+	const FIELDDEBUG_CHECK_TILE              ; $13
+	const FIELDDEBUG_MOVE_TO_ROUTE1_ENTRANCE ; $14
+	const FIELDDEBUG_TOGGLE_NPC_MOVEMENT     ; $15
+	const FIELDDEBUG_MAP_VIEWER              ; $16
+	const FIELDDEBUG_ITEM_TEST               ; $17
+	const FIELDDEBUG_PC_MENU                 ; $18
+	const FIELDDEBUG_POKEMART_MENU           ; $19
+	const FIELDDEBUG_TELEPORT                ; $1a
+	const FIELDDEBUG_VRAM_VIEWER             ; $1b
+	const FIELDDEBUG_TRAINER_GEAR            ; $1c
+
+FieldDebug_MenuStrings:
+	db "りセット@"
+	db "とじる@"
+	db "わくせん@"
+	db "ゲーム@"
+	db "のりもの@"
+	db "セル@"
+	db "ちず@"
+	db "キャラ@"
+	db "なまえ@"
+	db "ツールギア@"
+	db "イべント@"
+	db "かいふく@"
+	db "つうしん@"
+	db "つぎ▶@"
+	db "アニメ@"
+	db "つれてく@"
+	db "つれてけ@"
+	db "ワープ@"
+	db "くさかり@"
+	db "あしもと@"
+	db "じどう@"
+	db "うごき@"
+	db "マッパー@"
+	db "アイテム@"
+	db "パソコン@"
+	db "ショップ@"
+	db "テレポ！@"
+	db "テスト@"
+	db "じっけん@"
+
+FieldDebug_Jumptable:
+	dw FieldDebug_Reset
+	dw FieldDebug_CloseMenu
+	dw FieldDebug_FrameType
+	dw FieldDebug_Minigames
+	dw FieldDebug_ChangeTransportation
+	dw FieldDebug_ChangeTileset
+	dw FieldDebug_TownMap
+	dw FieldDebug_SpriteViewer
+	dw FieldDebug_NamePlayer
+	dw FieldDebug_Toolgear
+	dw FieldDebug_ClearEventFlags
+	dw FieldDebug_HealPokemon
+	dw FieldDebug_CableClub
+	dw FieldDebug_GoToNextPage
+	dw FieldDebug_NPCMovementTest
+	dw FieldDebug_PokemonFollowing
+	dw FieldDebug_FollowNPCTest
+	dw FieldDebug_Warp
+	dw FieldDebug_FieldCut
+	dw FieldDebug_CheckTile
+	dw FieldDebug_MoveToRoute1Entrance
+	dw FieldDebug_ToggleNPCMovement
+	dw FieldDebug_OpenMapViewer
+	dw FieldDebug_ItemTest
+	dw FieldDebug_PCMenu
+	dw FieldDebug_PokemartMenu
+	dw FieldDebug_Teleport
+	dw FieldDebug_VRAMViewer
+	dw FieldDebug_TrainerGear
+
+FIELDDEBUG_NUM_PAGES EQU 3
+
+FieldDebug_Pages:
+; page 1
+	db 7    ; number of items
+	db FIELDDEBUG_GO_TO_NEXT_PAGE
+	db FIELDDEBUG_WARP
+	db FIELDDEBUG_SPRITE_VIEWER
+	db FIELDDEBUG_CHANGE_TRANSPORTATION
+	db FIELDDEBUG_TOOLGEAR
+	db FIELDDEBUG_PC_MENU
+	db FIELDDEBUG_CLOSE_MENU
+	db -1
+
+; page 2
+	db 7    ; number of items
+	db FIELDDEBUG_GO_TO_NEXT_PAGE
+	db FIELDDEBUG_POKEMART_MENU
+	db FIELDDEBUG_HEAL_POKEMON
+	db FIELDDEBUG_TRAINER_GEAR
+	db FIELDDEBUG_MINIGAMES
+	db FIELDDEBUG_MAP_VIEWER
+	db FIELDDEBUG_CLOSE_MENU
+	db -1
+
+; page 3
+	db 7    ; number of items
+	db FIELDDEBUG_GO_TO_NEXT_PAGE
+	db FIELDDEBUG_CLEAR_EVENT_FLAGS
+	db FIELDDEBUG_VRAM_VIEWER
+	db FIELDDEBUG_TELEPORT
+	db FIELDDEBUG_FOLLOW_NPC_TEST
+	db FIELDDEBUG_TOWN_MAP
+	db FIELDDEBUG_CLOSE_MENU
+	db -1
+
diff --git a/data/field_debug_pokemart_items.inc b/data/field_debug_pokemart_items.inc
new file mode 100644
index 0000000..c9be9c0
--- /dev/null
+++ b/data/field_debug_pokemart_items.inc
@@ -0,0 +1,10 @@
+DebugMart_ItemList:
+	db ITEM_BICYCLE
+	db ITEM_MOON_STONE
+	db ITEM_ANTIDOTE
+	db ITEM_BURN_HEAL
+	db ITEM_MAX_POTION
+	db ITEM_HYPER_POTION
+	db ITEM_SUPER_POTION
+	db ITEM_POTION
+	db -1
diff --git a/data/field_debug_usable_items_1.inc b/data/field_debug_usable_items_1.inc
new file mode 100644
index 0000000..5115df4
--- /dev/null
+++ b/data/field_debug_usable_items_1.inc
@@ -0,0 +1,38 @@
+ItemTest_UsableItems:
+	db ITEM_BURN_HEAL
+	db ITEM_ICE_HEAL
+	db ITEM_AWAKENING
+	db ITEM_PARLYZ_HEAL
+	db ITEM_FULL_RESTORE
+	db ITEM_MAX_POTION
+	db ITEM_HYPER_POTION
+	db ITEM_SUPER_POTION
+	db ITEM_POTION
+	db ITEM_ESCAPE_ROPE
+	db ITEM_REPEL
+	db ITEM_RARE_CANDY
+	db ITEM_X_ACCURACY
+	db ITEM_LEAF_STONE
+	db ITEM_23
+	db ITEM_NUGGET
+	db ITEM_POKE_DOLL
+	db ITEM_FULL_HEAL
+	db ITEM_REVIVE
+	db ITEM_MAX_REVIVE
+	db ITEM_SODA_POP
+	db ITEM_X_SPEED
+	db ITEM_X_SPECIAL
+	db ITEM_COIN_CASE
+	db ITEM_3C
+	db ITEM_SUPER_ROD
+	db ITEM_PP_UP
+	db ITEM_ELIXER
+	db ITEM_MYSTIC_PETAL
+	db ITEM_WHITE_FEATHER
+	db ITEM_CONFUSE_CLAW
+	db ITEM_SNAKESKIN
+	db ITEM_ELECTRIC_POUCH
+	db ITEM_TOXIC_NEEDLE
+	db ITEM_KINGS_ROCK
+	db ITEM_STRANGE_POWER
+	db -1
diff --git a/data/field_debug_usable_items_2.inc b/data/field_debug_usable_items_2.inc
new file mode 100644
index 0000000..46e66f2
--- /dev/null
+++ b/data/field_debug_usable_items_2.inc
@@ -0,0 +1,9 @@
+ItemTest_UsableItems2:
+	db ITEM_BICYCLE
+	db ITEM_CARBOS
+	db ITEM_UP_GRADE
+	db ITEM_BIG_LEAF
+	db ITEM_SHARP_STONE
+	db ITEM_BLACK_FEATHER
+	db ITEM_SHARP_FANG
+	db -1
diff --git a/engine/menu/debug_menu.asm b/engine/debug/debug_menu.asm
index 020e227..020e227 100644
--- a/engine/menu/debug_menu.asm
+++ b/engine/debug/debug_menu.asm
diff --git a/engine/debug/field/change_tileset.inc b/engine/debug/field/change_tileset.inc
new file mode 100644
index 0000000..bc7f3bc
--- /dev/null
+++ b/engine/debug/field/change_tileset.inc
@@ -0,0 +1,39 @@
+SECTION "engine/debug/field/change_tileset.inc@FieldDebug_ChangeTileset", ROMX
+
+FieldDebug_ChangeTileset:
+	ld hl, .MenuHeader
+	call LoadMenuHeader
+	ld a, [wMapTileset]
+	inc a
+	ld [wMenuCursorBuffer], a
+	call VerticalMenu
+	call CloseWindow
+	jr c, .reopen
+	ld a, [wMapTileset]
+	ld b, a
+	ld a, [wMenuCursorY]
+	dec a
+	cp b
+	jr z, .reopen
+	ld [wMapTileset], a
+	call LoadTileset
+	call LoadTilesetGFX
+	jr FieldDebug_ChangeTileset
+
+.reopen:
+	ld a, FIELDDEBUG_RETURN_REOPEN
+	ret
+
+.MenuHeader:
+	db MENU_BACKUP_TILES
+	menu_coords 0, 0, 8, 10
+	dw .MenuData
+	db 1
+
+.MenuData:
+	db STATICMENU_CURSOR
+	db 3
+	db "セル１@"
+	db "セル２@"
+	db "セル３@"
+
diff --git a/engine/debug/field/change_transportation.inc b/engine/debug/field/change_transportation.inc
new file mode 100644
index 0000000..00c3693
--- /dev/null
+++ b/engine/debug/field/change_transportation.inc
@@ -0,0 +1,168 @@
+FieldDebug_ChangeTransportation:
+	ld hl, .ChangeTransportationMenuHeader
+	call LoadMenuHeader
+	ld a, [wPlayerState]
+	call GetActiveTransportation
+	ld [wMenuCursorBuffer], a
+	dec a
+	call CopyNameFromMenu
+	call VerticalMenu
+	jp c, .exit
+	ld a, [wMenuCursorY]
+	call SetTransportation
+	ld hl, wPlayerState
+	cp [hl]
+	jr z, .exit
+	cp PLAYER_SURF
+	jr z, .check_surf
+	ld [wPlayerState], a
+	and a
+	jr z, .walking
+	ld a, [wMenuCursorY]
+	dec a
+	call CopyNameFromMenu
+	call CloseWindow
+	call CloseWindow
+	ld hl, .PlayerTransportationString2
+	call MenuTextBox
+	jr .update_sprite
+
+.walking
+	ld a, -1
+	ld [wSkatingDirection], a
+	call CloseWindow
+	call CloseWindow
+	call PlayMapMusic
+	ld hl, .PlayerTransportationString1
+	call MenuTextBox
+
+.update_sprite
+	callab GetPlayerSprite
+	ld a, BUTTONS
+	call FieldDebug_WaitJoypadInput
+	call CloseWindow
+	ld a, FIELDDEBUG_RETURN_CLEANUP
+	ret
+
+.check_surf
+	call FieldDebug_CheckFacingSurfable
+	jr c, .cannot_surf
+	ld [wPlayerState], a
+	call FieldDebug_SetSurfDirection
+	ld a, [wMenuCursorY]
+	dec a
+	call CopyNameFromMenu
+	call CloseWindow
+	call CloseWindow
+	ld hl, .PlayerTransportationString2
+	call MenuTextBox
+	jr .update_sprite
+
+.cannot_surf
+	ld hl, .CannotSurfString
+	call MenuTextBox
+	ld a, BUTTONS
+	call FieldDebug_WaitJoypadInput
+	call CloseWindow
+
+.exit
+	call CloseWindow
+	ld a, FIELDDEBUG_RETURN_REOPEN
+	ret
+
+.ChangeTransportationMenuHeader:
+	db MENU_BACKUP_TILES
+	menu_coords 3, 3, 12, 13
+	dw .ChangeTransportationMenuData
+	db 1
+
+.ChangeTransportationMenuData:
+	db STATICMENU_WRAP | STATICMENU_CURSOR
+	db 4
+	db "あるき@"
+	db "じてんしゃ@"
+	db "スケボー@"
+	db "ラプラス@"
+
+.PlayerTransportationString1:
+	text "<PLAYER>は@"
+	text_low
+	text_from_ram wStringBuffer2
+	text "から　おりた"
+	prompt
+
+.PlayerTransportationString2:
+	text "<PLAYER>は@"
+	text_low
+	text_from_ram wStringBuffer2
+	text "に　のった"
+	prompt
+
+.CannotSurfString:
+	text "ここでは　のることが"
+	next "できません"
+	prompt
+
+SetTransportation:
+	ld hl, TransportationList
+	dec a
+	ld c, a
+	ld b, 0
+	add hl, bc
+	ld a, [hl]
+	ret
+
+GetActiveTransportation:
+	ld hl, TransportationList
+	ld b, 1
+.loop
+	cp [hl]
+	jr z, .got_transportation
+	inc hl
+	inc b
+	jr .loop
+.got_transportation
+	ld a, b
+	ret
+
+TransportationList:
+	db PLAYER_NORMAL
+	db PLAYER_BIKE
+	db PLAYER_SKATE
+	db PLAYER_SURF
+
+FieldDebug_CheckFacingSurfable:
+	push af
+	call GetFacingTileCoord
+	and COLLISION_TYPE_MASK
+	cp OLD_COLLISION_TYPE_WATER ; happens to match COLLISION_TYPE_WATER
+	jr z, .surfable
+	cp OLD_COLLISION_TYPE_WATER2
+	jr z, .surfable
+; not surfable
+	pop af
+	scf
+	ret
+.surfable
+	pop af
+	and a
+	ret
+
+FieldDebug_SetSurfDirection:
+	ld a, [wPlayerWalking]
+	srl a
+	srl a
+	ld e, a
+	ld d, 0
+	ld hl, .Directions
+	add hl, de
+	ld a, [hl]
+	ld [wPlayerMovement], a
+	ret
+
+.Directions:
+	db SLOW_STEP_DOWN
+	db SLOW_STEP_UP
+	db SLOW_STEP_LEFT
+	db SLOW_STEP_RIGHT
+
diff --git a/engine/debug/field/check_tile.inc b/engine/debug/field/check_tile.inc
new file mode 100644
index 0000000..5094807
--- /dev/null
+++ b/engine/debug/field/check_tile.inc
@@ -0,0 +1,64 @@
+FieldDebug_CheckTile:
+	call .CheckTile
+	ld a, FIELDDEBUG_RETURN_REOPEN
+	ret
+
+.CheckTile:
+	ld hl, .MenuHeader
+	call LoadMenuHeader
+	call MenuBox
+	ld a, [wPlayerNextMapX]
+	ld d, a
+	ld a, [wPlayerNextMapY]
+	ld e, a
+	call GetBlockLocation
+	ld a, [hl]
+	push af
+	call MenuBoxCoord2Tile
+	ld bc, $2a
+	add hl, bc
+	pop af
+	call .ShowTileNumber
+	ld a, 10
+	call DelayFrames
+	ld a, BUTTONS
+	call FieldDebug_WaitJoypadInput
+	call CloseWindow
+	ret
+
+.MenuHeader:
+	db $40
+	menu_coords 0, 0, 5, 4
+	dw .MenuData
+	db 0
+
+.MenuData: ; empty
+	db 0
+
+.ShowTileNumber:
+	push af
+	swap a
+	and $f
+	call .ShowHexDigit
+	ld [hli], a
+	pop af
+	and $f
+	call .ShowHexDigit
+	ld [hli], a
+	ret
+
+.ShowHexDigit:
+	push de
+	push hl
+	ld hl, .HexadecimalNumbers
+	ld e, a
+	ld d, 0
+	add hl, de
+	ld a, [hl]
+	pop hl
+	pop de
+	ret
+
+.HexadecimalNumbers:
+	db "０１２３４５６７８９ＡＢＣＤＥＦ"
+
diff --git a/engine/debug/field/field_cut.inc b/engine/debug/field/field_cut.inc
new file mode 100644
index 0000000..b56a0b2
--- /dev/null
+++ b/engine/debug/field/field_cut.inc
@@ -0,0 +1,93 @@
+FieldDebug_FieldCut:
+	call .DetermineEnvironment
+	jr c, .close_menu
+	ld a, FIELDDEBUG_RETURN_REOPEN
+	ret
+
+.close_menu
+	ld a, FIELDDEBUG_RETURN_CLEANUP
+	ret
+
+.DetermineEnvironment:
+	call GetMapEnvironment
+	cp ROUTE
+	jr z, .outdoors
+; Exit if indoors
+	cp TOWN
+	jr nz, .exit
+
+.outdoors
+	call .CheckGrassMetatile
+	jr z, .in_grass
+	call .IsCollision
+	jr nz, .exit
+	call .IsCuttableTile
+	jr nc, .exit
+	ld [hl], a
+	jr .do_cut
+.in_grass
+	ld [hl], METATILE_LAWN
+.do_cut
+	call CloseWindow
+	ld de, SFX_SHINE
+	call PlaySFX
+	call LoadMapPart
+	call UpdateSprites
+	call WaitBGMap
+	scf
+	ret
+
+.exit
+	and a
+	ret
+
+.CheckGrassMetatile:
+	ld a, [wPlayerNextMapX]
+	ld d, a
+	ld a, [wPlayerNextMapY]
+	ld e, a
+	call GetBlockLocation
+	ld a, [hl]
+	cp METATILE_GRASS
+	ret
+
+.IsCollision: ; broken
+	call GetFacingTileCoord
+	cp OLD_COLLISION_CUT_TREE
+	ret
+
+.IsCuttableTile:
+	call GetBlockLocation
+	ld a, [hl]
+	ld b, a
+	ld de, .CuttableMetatiles
+.find_cuttables
+	ld a, [de]
+	inc de
+	cp b
+	jr z, .got_cuttable
+	cp -1
+	jr z, .not_cuttable
+	inc de
+	jr .find_cuttables
+
+.got_cuttable
+	ld a, [de]
+	scf
+	ret
+
+.not_cuttable
+	and a
+	ret
+
+.CuttableMetatiles:
+	db METATILE_CUT_SE_TREES_N
+	db METATILE_SMALL_TREES_N
+	db METATILE_CUT_NW_TREES_E
+	db METATILE_SMALL_TREES_E
+	db METATILE_CUT_NE_TREE_NW
+	db METATILE_SMALL_TREE_NW
+	db METATILE_CUT_NE_TREE_SE
+	db METATILE_SMALL_TREE_SE
+	db -1
+
diff --git a/engine/debug/field/follow_npc_test.inc b/engine/debug/field/follow_npc_test.inc
new file mode 100644
index 0000000..4fee46b
--- /dev/null
+++ b/engine/debug/field/follow_npc_test.inc
@@ -0,0 +1,102 @@
+FieldDebug_FollowNPCTest:
+	call .DoFollowNPC
+	jr c, .exit
+	ld a, FIELDDEBUG_RETURN_REOPEN
+	ret
+.exit
+	ld a, FIELDDEBUG_RETURN_CLOSE
+	ret
+
+.DoFollowNPC:
+	ld hl, .MenuHeader
+	call LoadMenuHeader
+	call VerticalMenu
+	jr c, .close
+	ld a, [wMenuCursorY]
+	cp 1
+	jr nz, .end
+	ld a, [wObjectFollow_Follower]
+	and a
+	jr nz, .cannot_use
+	call .asm_fc9a5
+	call CloseWindow
+	scf
+	ret
+
+.end
+	call .asm_fc9c2
+	jr .close
+.cannot_use
+	ld hl, .CannotUseWithPokemonText
+	call MenuTextBox
+	call CloseWindow
+.close
+	call CloseWindow
+	and a
+	ret
+
+.asm_fc9a5:
+	callab Function8047
+	ld a, 1
+	call Function15ed
+	ld a, 1
+	ld hl, .MovementData
+	call LoadMovementDataPointer
+	ld b, 1
+	ld c, 0
+	call StartFollow
+	ret
+
+.asm_fc9c2:
+	call Function18cc
+	ld a, 1
+	call Function169f
+	ret
+
+.MenuHeader:
+	db MENU_BACKUP_TILES
+	menu_coords 3, 3, 9, 9
+	dw .MenuData
+	db 1
+
+.MenuData:
+	db STATICMENU_CURSOR
+	db 2
+	db "はじめる@"
+	db "おわる@"
+
+.CannotUseWithPokemonText:
+	text "ポケモンを　つれているときは"
+	next "だめです"
+	prompt
+
+.MovementData:
+	db FACE_UP
+	db SLOW_STEP_UP
+	db STEP_UP
+	db STEP_RIGHT
+	db FAST_STEP_RIGHT
+	db JUMP_DOWN
+	db FAST_STEP_DOWN
+	db FAST_STEP_DOWN
+	db STEP_DOWN
+	db STEP_LEFT
+	db STEP_LEFT
+	db JUMP_UP
+	db SLOW_STEP_UP
+	db MOVEMENT_33
+
+MenuHeaderfca01:	; unreferenced?
+	db MENU_BACKUP_TILES
+	menu_coords 0, 0, 11, 10
+	dw .MenuData
+	db 1
+
+.MenuData:
+	db STATICMENU_WRAP | STATICMENU_CURSOR
+	db 4
+	db "ポケモンつれあるき@"
+	db "つれあるかれデモ@"
+	db "ライバルおねえさん@"
+	db "さくせいちゅう@"
+
diff --git a/engine/debug/field/item_test.inc b/engine/debug/field/item_test.inc
new file mode 100644
index 0000000..6f928ac
--- /dev/null
+++ b/engine/debug/field/item_test.inc
@@ -0,0 +1,277 @@
+ItemTest_BagMenu:
+	dw .MenuHeader
+	dw wRegularItemsCursor
+	dw wRegularItemsScrollPosition
+
+.MenuHeader:
+	db MENU_BACKUP_TILES
+	menu_coords 4, 1, 19, 10
+	dw .MenuData
+	db 1
+
+.MenuData:
+	db SCROLLINGMENU_ENABLE_LEFT | SCROLLINGMENU_ENABLE_RIGHT | SCROLLINGMENU_ENABLE_FUNCTION3
+	db 4, 8 ; rows, columns
+	db SCROLLINGMENU_ITEMS_QUANTITY
+	dbw 0, wItems
+; Incorrectly configured, will cause the game to crash
+	db BANK(PlaceMenuItemName), $cd
+	dw PlaceMenuItemName
+	db BANK(PlaceMenuItemQuantity), $cd
+	dw PlaceMenuItemQuantity
+	db BANK(UpdateItemDescription)
+	dw UpdateItemDescription
+
+ItemTest_KeyItemMenu:
+	dw .MenuHeader
+	dw wBackpackAndKeyItemsCursor
+	dw wBackpackAndKeyItemsScrollPosition
+
+.MenuHeader:
+	db MENU_BACKUP_TILES
+	menu_coords 4, 1, 19, 10
+	dw .MenuData
+	db 1
+
+.MenuData:
+	db SCROLLINGMENU_ENABLE_LEFT | SCROLLINGMENU_ENABLE_RIGHT | SCROLLINGMENU_ENABLE_FUNCTION3
+	db 4, 8 ; rows, columns
+	db SCROLLINGMENU_ITEMS_QUANTITY
+	dbw 0, wNumKeyItems
+; Incorrectly configured, will cause the game to crash
+	db BANK(PlaceMenuItemName), $cd
+	dw PlaceMenuItemName
+	db BANK(PlaceMenuItemQuantity), $cd
+	dw PlaceMenuItemQuantity
+	db BANK(UpdateItemDescription)
+	dw UpdateItemDescription
+
+FieldDebug_ItemTest:
+	call ClearSprites
+	ld hl, wVramState
+	res 0, [hl]
+	call LoadStandardMenuHeader
+	call ClearTileMap
+	call UpdateSprites
+	call .DoItemTest
+	ld hl, wVramState
+	set 0, [hl]
+	call CloseWindow
+	ret
+; unused
+	ld a, FIELDDEBUG_RETURN_REOPEN
+	ret
+
+.ClearTilemap:
+	ld hl, wTileMap
+	ld bc, SCREEN_WIDTH * SCREEN_HEIGHT
+	ld a, $f1
+	call ByteFill
+	ret
+
+.DoItemTest:
+	call .ClearTilemap
+.bag_menu
+	ld hl, ItemTest_BagMenu
+	call Function3810
+	ld a, [wMenuJoypad]
+	cp B_BUTTON
+	jr z, .exit_menu
+	cp D_LEFT
+	jr z, .key_item_menu
+	cp D_RIGHT
+	jr z, .key_item_menu
+	jr .DecideAction
+
+.key_item_menu
+	ld hl, ItemTest_KeyItemMenu
+	call Function3810
+	ld a, [wMenuJoypad]
+	cp B_BUTTON
+	jr z, .exit_menu
+	cp D_LEFT
+	jr z, .bag_menu
+	cp D_RIGHT
+	jr z, .bag_menu
+	ld hl, .CannotUsePCToolsText
+	call MenuTextBox
+	call CloseWindow
+	jr .key_item_menu
+
+.CannotUsePCToolsText:
+	text "パソコンの　どうぐ　は"
+	next "つかえません"
+	prompt
+
+.restart
+	jp .DoItemTest
+
+.exit_menu
+	ld a, FIELDDEBUG_RETURN_REOPEN
+	ret
+; unused
+	ld a, FIELDDEBUG_RETURN_REOPEN
+	ret
+
+.DecideAction:
+	ld a, [wScrollingMenuCursorPosition]
+	ld [wItemIndex], a
+	call .ClearMenu
+	call PlaceHollowCursor
+	ld hl, .UseOrTossMenuHeader
+	call GetMenu2
+	jp c, .restart
+	ld a, [wMenuCursorY]
+	cp 2
+	jr z, .toss_item
+	jp .continue
+; unused
+	ld hl, .ItemPickedText
+	call FieldDebug_ShowTextboxAndExit
+	jp .restart
+
+.ItemPickedText:
+	text "アイテムを　えらんだ！"
+	done
+
+.ClearMenu:
+	call MenuBoxCoord2Tile
+	ld de, $14
+	add hl, de
+	ld de, $28
+	ld a, [wMenuDataItems]
+.clear_menu_loop
+	ld [hl], "　"
+	add hl, de
+	dec a
+	jr nz, .clear_menu_loop
+	ret
+
+.UseOrTossMenuHeader:
+	db MENU_BACKUP_TILES
+	menu_coords 14, 10, 19, 14
+	dw .UseOrTossMenuData
+	db 1
+
+.UseOrTossMenuData:
+	db $c0
+	db 2
+	db "つかう@"
+	db "すてる@"
+
+.toss_item
+	ld hl, wItems
+	call .DetermineItemTossable
+	jp .DoItemTest
+
+.DetermineItemTossable:
+	push hl
+	callab _CheckTossableItem
+	pop hl
+	ld a, [wItemAttributeParamBuffer]
+	and a
+	jr nz, .not_tossable
+	call .tossable
+	jr .done
+
+.not_tossable
+	ld hl, .CannotTossText
+	call MenuTextBox
+	call CloseWindow
+.done
+	ret
+
+.tossable
+	push hl
+	callab SelectQuantityToToss
+	jr c, .cancel_toss
+	call .load_item
+	ld hl, .TossConfirmText
+	call MenuTextBox
+	call YesNoBox
+	call CloseWindow
+	jr c, .cancel_toss
+	ld a, [wItemIndex]
+	pop hl
+	call TossItem
+	call .load_item
+
+; Crashes here; .ItemTossedText should be loaded to hl instead
+	call .ItemTossedText
+	call MenuTextBox
+
+	call ExitMenu
+	call CloseWindow
+	and a
+	ret
+
+.cancel_toss
+; Missing pop after push
+	call CloseWindow
+	scf
+	ret
+
+.load_item
+	predef LoadItemData
+	ret
+
+.TossConfirmText:
+	text_from_ram wStringBuffer2
+	text "を　すてます"
+	line "ほんとに　よろしいですか？"
+	prompt
+
+.ItemTossedText:
+	text_from_ram wStringBuffer1
+	text "を"
+	line "すてました！"
+	prompt
+
+.CannotTossText:
+	text "それは　とても　たいせつなモノです"
+	line "すてることは　できません！"
+	prompt
+
+.continue
+	predef LoadItemData
+	ld a, [wCurItem]
+	cp ITEM_TM01
+	jr nc, .use_item2
+	ld a, [wCurItem]
+	call ItemTest_FindUsableItem2
+	jr c, .use_item
+	ld a, [wCurItem]
+	call ItemTest_FindUsableItem
+	jr c, .use_item2
+	call UseItem
+	jp .restart
+
+.use_item
+	call UseItem
+	ld a, [wFieldMoveSucceeded]
+	and a
+	jp z, .restart
+	ld a, FIELDDEBUG_RETURN_WAIT_INPUT
+	ret
+
+.use_item2
+	call UseItem
+	call ClearBGPalettes
+	call Function360b
+	jp .restart
+
+ItemTest_FindUsableItem:
+	ld hl, ItemTest_UsableItems
+	ld de, 1
+	call FindItemInTable
+	ret
+
+INCLUDE "data/field_debug_usable_items_1.inc"
+
+ItemTest_FindUsableItem2:
+	ld hl, ItemTest_UsableItems2
+	ld de, 1
+	call FindItemInTable
+	ret
+
+INCLUDE "data/field_debug_usable_items_2.inc"
diff --git a/engine/debug/field/map_viewer.inc b/engine/debug/field/map_viewer.inc
new file mode 100644
index 0000000..99496d0
--- /dev/null
+++ b/engine/debug/field/map_viewer.inc
@@ -0,0 +1,432 @@
+; DebugMapViewer.Jumptable constants
+	const_def
+	const DEBUGMAPVIEWER_EMPTY                 ; 0
+	const DEBUGMAPVIEWER_INIT                  ; 1
+	const DEBUGMAPVIEWER_CONTROL_CURSOR        ; 2
+	const DEBUGMAPVIEWER_MOVE_CURSOR_TO_PLAYER ; 3
+	const DEBUGMAPVIEWER_WAIT_FINISHED_MOVING  ; 4
+	const DEBUGMAPVIEWER_CLEANUP               ; 5
+
+FieldDebug_OpenMapViewer:
+	call .DoOpen
+	jr c, .done
+	ld a, FIELDDEBUG_RETURN_EXIT
+	ret
+
+.done
+	ld a, FIELDDEBUG_RETURN_REOPEN
+	ret
+
+.DoOpen:
+	ld hl, .MapViewPrompt
+	call MenuTextBox
+	call YesNoBox
+	call CloseWindow
+	ret c
+
+	ldh a, [hROMBank]
+	ld hl, .MapViewScript
+	call QueueScript
+	ret
+
+.MapViewPrompt:
+	text "マップビューワーを"
+	line "しようしますか？"
+	done
+
+.MapViewScript:
+	ld a, 9
+	call WriteIntod637
+	xor a
+	ldh [hJoypadSum], a
+	ld a, DEBUGMAPVIEWER_INIT
+	ldh [hDebugMapViewerJumptable], a
+	ret
+
+DebugMapViewer::
+	ld a, [wd153]
+	ld b, a
+	ld a, [wToolgearFlags]
+	ld c, a
+	push bc
+	call EnableToolgearCoords
+	call InitToolgearBuffer
+.loop
+	call GetJoypad
+	call .do_jumptable
+	jr c, .continue
+	call Function2c4a
+	jr nc, .loop
+	callab Function824c
+	jr .loop
+
+.continue
+	ld a, 4
+	call WriteIntod637
+	pop bc
+	ld a, b
+	ld [wd153], a
+	ld a, c
+	ld [wToolgearFlags], a
+	ret
+
+.do_jumptable
+	ld a, [wDebugFlags]
+	bit 1, a
+	ret z
+	ldh a, [hDebugMapViewerJumptable]
+	and a
+	ret z
+	ld e, a
+	ld d, 0
+	ld hl, .Jumptable
+	add hl, de
+	add hl, de
+	ld a, [hli]
+	ld h, [hl]
+	ld l, a
+	jp hl
+
+.Jumptable:
+	dw .Empty
+	dw .Init
+	dw .ControlCursor
+	dw .MoveCursorToPlayer
+	dw .WaitFinishedMoving
+	dw .Cleanup
+
+.Empty:
+	ret
+
+.Init:
+	call Function18b4
+	call DebugMapViewer_LoadCursorSprite
+	call DebugMapViewer_ReplacePlayerObject
+	ld a, $2a
+	ld [wMovementObject], a
+	ld a, DEBUGMAPVIEWER_CONTROL_CURSOR
+	ldh [hDebugMapViewerJumptable], a
+	and a
+	ret
+
+.ControlCursor:
+	ldh a, [hJoypadSum]
+	ld b, a
+	xor a
+	ldh [hJoypadSum], a
+	ld a, b
+	and START
+	jr nz, .start_pressed
+	ldh a, [hJoyState]
+	and A_BUTTON
+	jr nz, .a_pressed
+	call DebugMapViewer_DoMovement
+	jr .apply_movement
+.start_pressed
+	call DebugMapViewer_ShowViewerPrompt
+	ld a, $2a
+	jr .apply_movement
+.a_pressed
+	call DebugMapViewer_ShowSelectedDetails
+	ld a, $2a
+.apply_movement
+	ld [wMovementObject], a
+	and a
+	ret
+
+.MoveCursorToPlayer:
+	ld a, 1
+	ld hl, wMovementBuffer
+	call LoadMovementDataPointer
+	ld d, 2
+	ld b, 1
+	ld c, 0
+	callab Function83a2
+	ld a, DEBUGMAPVIEWER_WAIT_FINISHED_MOVING
+	ldh [hDebugMapViewerJumptable], a
+	and a
+	ret
+
+.WaitFinishedMoving:
+	ld hl, wVramState
+	bit 7, [hl]
+	jr nz, .skip
+	ld a, DEBUGMAPVIEWER_CLEANUP
+	ldh [hDebugMapViewerJumptable], a
+.skip
+	and a
+	ret
+
+.Cleanup:
+	ld a, 1
+	call Function169f
+	call Function18cc
+	ld a, 0
+	call Function1908
+	xor a
+	ldh [hDebugMapViewerJumptable], a
+	scf
+	ret
+
+DebugMapViewer_ShowViewerPrompt:
+	call RefreshScreen
+	ld hl, .ChangeViewerPrompt
+	call MenuTextBox
+	call YesNoBox
+	call CloseWindow
+	jr c, .no
+	ld a, DEBUGMAPVIEWER_MOVE_CURSOR_TO_PLAYER
+	ldh [hDebugMapViewerJumptable], a
+.no
+	call Function1fea
+	ret
+
+.ChangeViewerPrompt:
+	text "ビューワーモードを"
+	line "かいじょ　しますか？"
+	done
+
+DebugMapViewer_ShowSelectedDetails:
+	ld a, 0
+	ldh [hTextBoxCursorBlinkInterval], a
+	ld bc, wObjectStructs
+	callab Function77a1
+	jr nc, .skip
+	call RefreshScreen
+	call .DisplayActorCastID
+	call Function1fea
+	ret
+.skip
+	call DisplayBGEventDetails
+	ret
+
+.DisplayActorCastID:
+	ld hl, .ActorCastText
+	call MenuTextBox
+
+; Display index of selected object from map objects
+; (referred to as "actor number")
+	ld de, hEventID
+	hlcoord 10, 14
+	ld bc, $0102
+	call PrintNumber
+
+; Display index of selected object from visible objects
+; (referred to as "cast number")
+	ldh a, [hEventID]
+	call GetObjectStruct
+	ld hl, OBJECT_MAP_OBJECT_INDEX
+	add hl, bc
+	ld a, [hl]
+	cp $10
+	jr nc, .invalid_index
+	ld d, h
+	ld e, l
+	hlcoord 10, 16
+	ld bc, $0102
+	call PrintNumber
+	jr .wait
+
+.invalid_index
+	hlcoord 10, 16
+	ld de, .NoneText
+	call PlaceString
+
+.wait
+	ld a, BUTTONS
+	call FieldDebug_WaitJoypadInput
+	call CloseWindow
+	ret
+
+.ActorCastText:
+	text "アクターナンバー　　　　"
+	line "キャストナンバー　　　　"
+	done
+
+.NoneText:
+	db "なし@"
+
+DebugMapViewer_DoMovement:
+	ld bc, wObjectStructs
+	ldh a, [hJoyState]
+	ld d, a
+	bit D_DOWN_F, a
+	jr nz, .down
+	bit D_UP_F, a
+	jr nz, .up
+	bit D_LEFT_F, a
+	jr nz, .left
+	bit D_RIGHT_F, a
+	jr nz, .right
+.done
+	ld a, $2a
+	ret
+
+.down
+	ld a, [wMapHeight]
+	add a
+	add 4
+	ld e, a
+	ld hl, $11
+	add hl, bc
+	ld a, [hl]
+	inc a
+	cp e
+	jr nc, .done
+	bit 1, d
+	ld a, $c
+	ret nz
+	ld a, 8
+	ret
+
+.up
+	ld hl, $11
+	add hl, bc
+	ld a, [hl]
+	dec a
+	cp 4
+	jr c, .done
+	bit 1, d
+	ld a, $d
+	ret nz
+	ld a, 9
+	ret
+
+.left
+	ld hl, $10
+	add hl, bc
+	ld a, [hl]
+	dec a
+	cp 4
+	jr c, .done
+	bit 1, d
+	ld a, $e
+	ret nz
+	ld a, $a
+	ret
+
+.right
+	ld a, [wMapWidth]
+	add a
+	add 4
+	ld e, a
+	ld hl, $10
+	add hl, bc
+	ld a, [hl]
+	inc a
+	cp e
+	jr nc, .done
+	bit 1, d
+	ld a, $f
+	ret nz
+	ld a, $b
+	ret
+
+DebugMapViewer_ReplacePlayerObject:
+	callab Function807b
+	ld a, 1
+	call Function15ed
+	ld a, 1
+	call Function1908
+	ld bc, wObjectStructs
+	ld hl, OBJECT_FLAGS
+	add hl, bc
+	set 3, [hl]
+	set 2, [hl]
+	set 1, [hl]
+	ret
+
+Datafd044:
+_NUM_OBJECT_EVENTS = 0
+	object_event -4, -4, SPRITE_GOLD, $17, 14, 14, 0, 0, 0, 0, 0, 0, 0, 0
+	ds 2
+
+DebugMapViewer_LoadCursorSprite:
+	ldh a, [hBGMapMode]
+	push af
+	ldh a, [hMapAnims]
+	push af
+	xor a
+	ldh [hBGMapMode], a
+	ld de, TownMapCursorGFX
+	ld hl, $80c0
+	ld bc, $3f04
+	call Get2bpp
+	pop af
+	ldh [hMapAnims], a
+	pop af
+	ldh [hBGMapMode], a
+	ret
+
+SECTION "engine/debug/field/map_viewer.inc@DisplayBGEventDetails", ROMX
+
+DisplayBGEventDetails:
+	call GetSignpost
+	ret nc
+	call .Functionfd0cc
+	call RefreshScreen
+	ld hl, .TableText
+	call MenuTextBox
+	call .PrintTableDetails
+	call .WaitInput
+	call CloseWindow
+	call Function1fea
+	ret
+
+.Functionfd0cc:
+	ld a, [hld]
+	ld [wFieldMoveScriptID], a
+	ld a, [hl]
+	ld [wcdc8], a
+	ld a, d
+	ld [wMapBlocksAddress], a
+	ld a, e
+	ld [wHPBarOldHP], a
+	ld a, b
+	ld [wReplacementBlock], a
+	ld a, [wCurrMapSignCount]
+	sub c
+	inc a
+	ld [wHPBarNewHP], a
+	ret
+
+.TableText:
+	text "テーブル"
+	done
+
+.PrintTableDetails:
+	hlcoord 8, 14
+	ld de, wMapBlocksAddress
+	call PrintHexByte
+
+	hlcoord 11, 14
+	ld de, wHPBarOldHP
+	call PrintHexByte
+
+	hlcoord 14, 14
+	ld de, wcdc8
+	call PrintHexByte
+
+	hlcoord 17, 14
+	ld de, wFieldMoveScriptID
+	ld bc, $8102
+	call PrintNumber
+
+	hlcoord 14, 16
+	ld de, wReplacementBlock
+	call PrintHexByte
+
+	hlcoord 17, 16
+	ld de, wHPBarNewHP
+	ld bc, $8102
+	call PrintNumber
+
+	ret
+
+.WaitInput:
+	call GetJoypad
+	ldh a, [hJoyDown]
+	and A_BUTTON | B_BUTTON | SELECT
+	jr z, .WaitInput
+	ret
+
diff --git a/engine/debug/field/minigames.inc b/engine/debug/field/minigames.inc
new file mode 100644
index 0000000..95c6b9d
--- /dev/null
+++ b/engine/debug/field/minigames.inc
@@ -0,0 +1,86 @@
+FieldDebug_Minigames:
+	call .DoMinigameSelection
+	ld a, FIELDDEBUG_RETURN_REOPEN
+	ret
+
+.DoMinigameSelection:
+	ld hl, .MenuHeader
+	call LoadMenuHeader
+	call VerticalMenu
+	push af
+	ld a, [wMenuCursorY]
+	dec a
+	call CopyNameFromMenu
+	ld a, [wMenuCursorY]
+	dec a
+	ld e, a
+	ld d, 0
+	ld hl, .MinigamePointers
+	add hl, de
+	add hl, de
+	add hl, de
+	ld a, [hli]
+	ld [wQueuedScriptBank], a
+	ld a, [hli]
+	ld [wQueuedScriptAddr], a
+	ld a, [hl]
+	ld [wQueuedScriptAddr + 1], a
+	pop af
+	call CloseWindow
+	ret c
+
+	ld hl, .MinigameConfirmationText
+	call MenuTextBox
+	call YesNoBox
+	call CloseWindow
+	ret c
+
+	call LoadStandardMenuHeader
+	ldh a, [hMapAnims]
+	push af
+	xor a
+	ldh [hMapAnims], a
+	ld hl, wVramState
+	res 0, [hl]
+	call ClearSprites
+	call ClearTileMap
+	call WaitBGMap
+	ld hl, wQueuedScriptBank
+	call CallFar_atHL
+	call ClearPalettes
+	call Function3657
+	call LoadTilesetGFX
+	ld hl, wVramState
+	set 0, [hl]
+	call CloseWindow
+	pop af
+	ldh [hMapAnims], a
+	call GetMemSGBLayout
+	call WaitBGMap
+	call UpdateTimePals
+	ret
+
+.MenuHeader:
+	db MENU_BACKUP_TILES
+	menu_coords 0, 0, 10, 10
+	dw .MenuData
+	db 1
+
+.MenuData:
+	db STATICMENU_CURSOR
+	db 3
+	db "スロットマシン@"
+	db "ポーカーゲーム@"
+	db "ぺアゲーム@"
+
+.MinigamePointers:
+	dba SlotMachineGame
+	dba PokerMinigame
+	dba MemoryMinigame
+
+.MinigameConfirmationText:
+	text_from_ram wStringBuffer2
+	text "で　"
+	line "あそびますか？"
+	done
+
diff --git a/engine/debug/field/mon_following.inc b/engine/debug/field/mon_following.inc
new file mode 100644
index 0000000..1512bb6
--- /dev/null
+++ b/engine/debug/field/mon_following.inc
@@ -0,0 +1,60 @@
+FieldDebug_PokemonFollowing:
+	call .DoPokemonFollowing
+	jr c, .exit
+	ld a, FIELDDEBUG_RETURN_REOPEN
+	ret
+.exit
+	ld a, FIELDDEBUG_RETURN_CLEANUP
+	ret
+
+.DoPokemonFollowing:
+	ld hl, .MenuHeader
+	call LoadMenuHeader
+	call VerticalMenu
+	jr c, .done
+	ld a, [wMenuCursorY]
+	cp 1
+	jr nz, .remove
+	ld a, [wPlayerStructEnd]
+	and a
+	jr nz, .ShowUnableText
+	callab Function8031
+	ld de, SFX_24
+	call PlaySFX
+	call CloseWindow
+	call UpdateSprites
+	scf
+	ret
+
+.remove
+	callab Function806c
+	ld de, SFX_25
+	call PlaySFX
+	jr .done
+
+.ShowUnableText:
+	ld hl, .UnableText
+	call FieldDebug_ShowTextboxAndExit
+
+.done
+	call CloseWindow
+	call UpdateSprites
+	xor a
+	ret
+
+.MenuHeader:
+	db MENU_BACKUP_TILES
+	menu_coords 3, 3, 9, 9
+	dw .MenuData
+	db 1
+
+.MenuData:
+	db STATICMENU_CURSOR
+	db 2
+	db "つける@"
+	db "はずす@"
+
+.UnableText:
+	text "だめです！！"
+	done
+
diff --git a/engine/debug/field/move_to_entrance.inc b/engine/debug/field/move_to_entrance.inc
new file mode 100644
index 0000000..c99f36f
--- /dev/null
+++ b/engine/debug/field/move_to_entrance.inc
@@ -0,0 +1,46 @@
+FieldDebug_MoveToRoute1Entrance:
+; Check if the player is currently on Route 1
+	ld a, [wMapGroup]
+	cp GROUP_ROUTE_1_P1
+	jr nz, .cannot_use
+	ld a, [wMapId]
+	cp MAP_ROUTE_1_P1
+	jr nz, .cannot_use
+
+	ldh a, [hROMBank]
+	ld hl, .DoMove
+	call QueueScript
+	ld a, FIELDDEBUG_RETURN_EXIT
+	ret
+
+.cannot_use
+	ld hl, .CantUseText
+	call FieldDebug_ShowTextboxAndExit
+	ld a, FIELDDEBUG_RETURN_REOPEN
+	ret
+
+.CantUseText:
+	text "ここでは　できません"
+	para "ロード１でじっこうできます"
+	done
+
+.DoMove:
+	call RefreshScreen
+	ld hl, .MoveText
+	call FieldDebug_ShowTextboxAndExit
+	ld d, $d
+	ld e, $d
+	ld b, 0
+	ld c, 1
+	callab Function833a
+	ld a, 0
+	ld hl, wMovementBuffer
+	call LoadMovementDataPointer
+	call Function1fea
+	ret
+
+.MoveText:
+	text "とくていちてん　まで"
+	next "うごかします"
+	done
+
diff --git a/engine/debug/field/npc_movement_test.inc b/engine/debug/field/npc_movement_test.inc
new file mode 100644
index 0000000..aeb77b0
--- /dev/null
+++ b/engine/debug/field/npc_movement_test.inc
@@ -0,0 +1,55 @@
+FieldDebug_NPCMovementTest:
+	call .NPCMovementTest
+	jr c, .exit
+	ld a, FIELDDEBUG_RETURN_REOPEN
+	ret
+.exit
+	ld a, FIELDDEBUG_RETURN_WAIT_INPUT
+	ret
+
+.NPCMovementTest:
+	ld a, [wMapGroup]
+	cp GROUP_SILENT_HILL_HOUSE
+	jr nz, .not_here
+	ld a, [wMapId]
+	cp MAP_SILENT_HILL_HOUSE
+	jr nz, .not_here
+	ld a, 2
+	ld hl, .MovementData
+	call LoadMovementDataPointer
+	ld de, SFX_22
+	call PlaySFX
+	scf
+	ret
+
+.MovementData:
+	db FACE_UP
+	db MOVEMENT_2F
+	db SLOW_STEP_UP
+	db SLOW_STEP_RIGHT
+	db SLOW_JUMP_RIGHT
+	db SLOW_STEP_RIGHT
+	db STEP_DOWN
+	db STEP_DOWN
+	db STEP_DOWN
+	db STEP_DOWN
+	db STEP_LEFT
+	db SLOW_JUMP_LEFT
+	db STEP_LEFT
+	db SLOW_STEP_UP
+	db SLOW_STEP_UP
+	db SLOW_STEP_UP
+	db MOVEMENT_32
+
+.not_here
+	ld de, SFX_1E
+	call PlaySFX
+	ld hl, .NotHereText
+	call FieldDebug_ShowTextboxAndExit
+	xor a
+	ret
+
+.NotHereText:
+	text "ここではだめです！"
+	done
+
diff --git a/engine/debug/field/pokemart_menu.inc b/engine/debug/field/pokemart_menu.inc
new file mode 100644
index 0000000..6985703
--- /dev/null
+++ b/engine/debug/field/pokemart_menu.inc
@@ -0,0 +1,343 @@
+FieldDebug_PokemartMenu:
+	ld hl, DebugMart_WelcomeText
+	call MenuTextBox
+	call ExitMenu
+	call .DoPokemartMenu
+	ld a, FIELDDEBUG_RETURN_REOPEN
+	ret
+
+.DoPokemartMenu:
+	call LoadStandardMenuHeader
+	callab asm_24860
+	ld hl, DebugMart_PokemartMenuText
+	call PrintText
+	ld hl, .MenuHeader
+	call CopyMenuHeader
+	call VerticalMenu
+	push af
+	call ExitMenu
+	pop af
+	jr c, .exit_menu
+	ld a, [wMenuCursorY]
+	dec a
+	ld hl, .MenuJumptable
+	call CallJumptable
+	jr nc, .DoPokemartMenu
+	ret
+
+.exit_menu
+	ld hl, DebugMart_GoodbyeText
+	call MenuTextBoxBackup
+	scf
+	ret
+
+.MenuHeader:
+	db MENU_BACKUP_TILES
+	menu_coords 0, 0, 10, 8
+	dw .MenuData
+	db 1 ; default
+
+.MenuData:
+	db STATICMENU_CURSOR
+	db 3 ; items
+	db "どうぐを　かう@"
+	db "どうぐを　うる@"
+	db "さようなら@"
+
+.MenuJumptable:
+	dw DebugMart_Buy
+	dw DebugMart_Sell
+	dw .exit_menu
+
+DebugMart_BuyMenuHeader:
+	db MENU_BACKUP_TILES
+	menu_coords 1, 3, 19, 11
+	dw .BuyMenuParams
+	db 1 ; default
+
+.BuyMenuParams:
+	db STATICMENU_WRAP
+	db 4, 8 ; rows, columns
+	db SCROLLINGMENU_ITEMS_NORMAL
+	dbw 0, wcd60
+	dba PlaceMenuItemName
+	dba .PrintAmount
+	dba UpdateItemDescription
+
+.PrintAmount:
+	ld a, [wScrollingMenuCursorPosition]
+	ld c, a
+	ld b, 0
+	ld hl, wcc40
+	add hl, bc
+	add hl, bc
+	add hl, bc
+	push de
+	ld d, h
+	ld e, l
+	pop hl
+	ld c, $83
+	call PrintBCDNumber
+	ld [hl], "円"
+	ret
+
+DebugMart_WelcomeText:
+	text "フレンドりーショップへ　"
+	line "ようこそ！"
+	prompt
+
+DebugMart_PokemartMenuText:
+	text "なんになさいますか？"
+	done
+
+DebugMart_GoodbyeText:
+	text "またのごりようを"
+	line "おまちしています"
+	prompt
+
+DebugMart_Buy:
+	ld de, DebugMart_ItemList
+	call DebugMart_LoadItems
+	call LoadStandardMenuHeader
+	call ClearTileMap
+.buy_loop
+	call .BuyMenu
+	jr nc, .buy_loop
+	call ExitMenu
+	and a
+	ret
+
+.BuyMenu:
+	call UpdateSprites
+	ld hl, DebugMart_BuyMenuHeader
+	call CopyMenuHeader
+	call ScrollingMenu
+	ld a, [wMenuJoypad]
+	cp B_BUTTON
+	jr z, .cancel_buy
+	cp A_BUTTON
+	jr z, .buy_item
+.buy_item
+	ld a, 99
+	ld [wItemQuantityBuffer], a
+	ld hl, .HowManyText
+	call PrintText
+	callab asm_24c64
+	call ExitMenu
+	jr c, .done
+	predef LoadItemData
+	ld hl, .ConfirmPurchaseText
+	call PrintText
+	call YesNoBox
+	jr c, .done
+	ld hl, .UnderDevelopmentText
+	call MenuTextBoxBackup
+.done
+	and a
+	ret
+
+.cancel_buy
+	scf
+	ret
+
+.BuyPromptText: ; unreferenced?
+	text "なにを　おかいあげに"
+	line "なりますか"
+	done
+
+.HowManyText:
+	text "いくつ　おかいあげになりますか"
+	done
+
+.ConfirmPurchaseText:
+	text_from_ram wStringBuffer2
+	text "を　@"
+	deciram wItemQuantity, 1, $2
+	text "こで"
+	line "@"
+	deciram hFFCD, 3, $6
+	text "円　おかいあげですか？"
+	done
+
+.UnderDevelopmentText:
+	text "ごめんね"
+	line "かいはつちゅうなんだ"
+	prompt
+
+INCLUDE "data/field_debug_pokemart_items.inc"
+
+DebugMart_Sell:
+	call DebugMart_ShowPlaceholderText
+	and a
+	ret
+
+; unused
+	callab CheckItemsQuantity
+	jp c, .no_items
+	call LoadStandardMenuHeader
+	xor a
+	ld [wActiveBackpackPocket], a
+.bag_loop
+	callab DrawBackpack
+	callab DebugBackpackLoop
+	jr c, .close_bag
+	call .DoBagFunctions
+	jr nc, .bag_loop
+.close_bag
+	call ClearBGPalettes
+	call CloseWindow
+	call UpdateTimePals
+	and a
+	ret
+
+.DoBagFunctions:
+	callab CheckItemMenu
+	ld a, [wItemAttributeParamBuffer]
+	ld hl, .BagJumptable
+	call CallJumptable
+	ret
+
+.BagJumptable:
+	dw .CheckSellableItem
+	dw .CannotSellItem
+	dw .BallPocket
+	dw .FlipPocket
+	dw .CheckSellableItem
+	dw .CheckSellableItem
+	dw .CheckSellableItem
+
+.FlipPocket:
+	callab FlipPocket2Status
+	xor a
+	ld [wSelectedSwapPosition], a
+	ret
+
+.CannotSellItem:
+	ld hl, .CannotSellText
+	call MenuTextBoxBackup
+	and a
+	ret
+
+.CannotSellText:
+	text "つかえないのだ！"
+	prompt
+
+.BallPocket:
+	callab BallPocket
+	jr nc, .CheckSellableItem
+	and a
+	ret
+
+.CheckSellableItem:
+	callab _CheckTossableItem
+	ld a, [wItemAttributeParamBuffer]
+	and a
+	jr nz, .not_sellable
+	jp .ItemQuantityPrompt
+
+.not_sellable
+	ld hl, .ImportantItemText
+	call MenuTextBoxBackup
+	and a
+	ret
+
+.ImportantItemText:
+	text "それは　だいじなものです"
+	line "うることは　できません！"
+	prompt
+
+.no_items
+	ld hl, .NoItemsText
+	call MenuTextBoxBackup
+	and a
+	ret
+
+.NoItemsText:
+	text "どうぐを　ひとつも"
+	next "もっていません！"
+	prompt
+
+.ItemQuantityPrompt:
+	ld hl, .HowManyItemsText
+	call PrintText
+	callab asm_24c64
+	jr c, .got_quantity
+	jr .CannotSellItem
+
+.got_quantity
+	and a
+	ret
+
+.HowManyItemsText:
+	text "いくつ　うりますか？"
+	done
+
+DebugMart_LoadItems:
+	ld hl, wcd60
+.load_loop
+	ld a, [de]
+	inc de
+	ld [hli], a
+	cp -1
+	jr nz, .load_loop
+	ld hl, wcc40
+	ld de, wcd60 + 1
+.load_loop2
+	ld a, [de]
+	inc de
+	cp -1
+	jr z, .done_load
+	push de
+	call .GetPrice
+	pop de
+	jr .load_loop2
+
+.done_load
+	ret
+
+.GetPrice:
+	push hl
+	ld [wCurItem], a
+	callab GetItemPrice
+	ld a, d
+	ld [wcdc3], a
+	ld a, e
+	ld [wcdc3 + 1], a
+	ld hl, wStringBuffer1
+	ld de, wcdc3
+	ld bc, $8206
+	call PrintNumber
+	pop hl
+	ld de, wStringBuffer1
+	ld c, 3
+.print_price
+	call .PrintPaddedDigits
+	swap a
+	ld b, a
+	call .PrintPaddedDigits
+	or b
+	ld [hli], a
+	dec c
+	jr nz, .print_price
+	ret
+
+.PrintPaddedDigits:
+	ld a, [de]
+	inc de
+	cp "　"
+	jr nz, .to_digit
+	ld a, "０"
+.to_digit
+	sub "０"
+	ret
+
+DebugMart_ShowPlaceholderText:
+	ld hl, .PlaceholderText
+	call MenuTextBox
+	call ExitMenu
+	ret
+
+.PlaceholderText:
+	text "かいはつちゅうです"
+	next "<PROMPT>"
+
diff --git a/engine/debug/field/sprite_viewer.inc b/engine/debug/field/sprite_viewer.inc
new file mode 100644
index 0000000..57268af
--- /dev/null
+++ b/engine/debug/field/sprite_viewer.inc
@@ -0,0 +1,500 @@
+; FieldDebug_SpriteViewer.DoSpriteViewer.Jumptable constants
+	const_def
+	const SPRITEVIEWER_INIT_MENU             ; 0
+	const SPRITEVIEWER_UPDATE_MENU           ; 1
+	const SPRITEVIEWER_SHOW_SPRITES          ; 2
+	const SPRITEVIEWER_SETUP_STATIC_SPRITE   ; 3
+	const SPRITEVIEWER_SETUP_ANIMATED_SPRITE ; 4
+	const SPRITEVIEWER_FOLLOW_PROMPT         ; 5
+	const SPRITEVIEWER_EXIT                  ; 6
+	const SPRITEVIEWER_SET_FOLLOWING         ; 7
+
+FieldDebug_SpriteViewer:
+	call LoadStandardMenuHeader
+	call ClearTileMap
+	call HideSprites
+	ld hl, wVramState
+	res 0, [hl]
+	call .Init
+	call .DoSpriteViewer
+	push af
+	ld hl, wVramState
+	set 0, [hl]
+	call ClearPalettes
+	call Function360b
+	call CloseWindow
+	call UpdateTimePals
+	pop af
+	ret
+
+.Init:
+	ld a, $5b
+	ld [wMovementBufferObject], a
+	ld a, 1
+	ld [wSpriteViewerSavedMenuPointerY], a
+	ld a, 0
+	ld [wSpriteViewerMenuStartingItem], a
+	ld a, 1
+	ldh [hTextBoxCursorBlinkInterval], a
+	callab Function77ad
+	ret nc
+	ldh a, [hEventID]
+	call GetObjectStruct
+	ld hl, 0
+	add hl, bc
+	ld a, [wMovementBufferObject]
+	ld d, a
+	ld a, 5
+	add [hl]
+	cp d
+	jr c, .skip
+	sub d
+	ld [wSpriteViewerSavedMenuPointerY], a
+	ld a, [wMovementBufferObject]
+	sub 5
+	ld [wSpriteViewerMenuStartingItem], a
+	ret
+
+.skip
+	ld a, 1
+	ld [wSpriteViewerSavedMenuPointerY], a
+	ld a, [hl]
+	ld [wSpriteViewerMenuStartingItem], a
+	ret
+
+.SetMenuAttributes:
+	ld de, .MenuAttributes
+	call SetMenuAttributes
+	ld a, [wMovementBufferObject]
+	cp 5
+	jr c, .apply
+	ld a, 5
+.apply
+	ld [w2DMenuNumRows], a
+	ld a, [wSpriteViewerSavedMenuPointerY]
+	ld [wMenuCursorY], a
+	ret
+
+.MenuAttributes:
+	db 3, 1
+	db 0, 1
+	db $F, 0
+	db $30, 3
+
+.DoSpriteViewer:
+	ld a, 0
+	ld [wSpriteViewerJumptableIndex], a
+
+.loop
+	ld a, [wSpriteViewerJumptableIndex]
+	ld hl, .Jumptable
+	call CallJumptable
+	jr nc, .loop
+	ret
+
+.Jumptable:
+	dw .InitMenu
+	dw .UpdateMenu
+	dw .ShowSprites
+	dw .SetupStaticSprite
+	dw .SetupAnimatedSprite
+	dw .FollowPrompt
+	dw .Exit
+	dw .SetFollowing
+
+.Exit:
+	ld a, -1
+	ld [wSpriteViewerJumptableIndex], a
+	scf
+	ld a, FIELDDEBUG_RETURN_REOPEN
+	ret
+
+.SetFollowing:
+	ld hl, Function8031
+	ld a, BANK(Function8031)
+	call QueueScript
+
+; Exits immediately after setting sprite to follow the player
+	ld a, -1
+	ld [wSpriteViewerJumptableIndex], a
+	scf
+	ld a, FIELDDEBUG_RETURN_EXIT
+	ret
+
+.InitMenu:
+	xor a
+	ldh [hBGMapMode], a
+	call HideSprites
+	call ClearPalettes
+	call ClearTileMap
+	call .SetMenuAttributes
+	call .DisplayMenu
+	call SetPalettes
+	call WaitBGMap
+	ld a, SPRITEVIEWER_UPDATE_MENU
+	ld [wSpriteViewerJumptableIndex], a
+	xor a
+	ret
+
+.DisplayMenu:
+	ld c, 5
+	ld a, [wMovementBufferObject]
+	cp c
+	jr nc, .setup
+	ld c, a
+.setup
+	hlcoord 5, 4
+	ld a, [wSpriteViewerMenuStartingItem]
+	inc a
+	ld [wStringBuffer1], a
+.display_loop
+	push bc
+	push hl
+	ld bc, $8103
+	ld de, wStringBuffer1
+	call PrintNumber
+	ld a, [wStringBuffer1]
+	call LoadUnderDevelopmentString
+	call PlaceString
+	ld hl, wStringBuffer1
+	inc [hl]
+	pop hl
+	ld de, SCREEN_WIDTH * 3
+	add hl, de
+	pop bc
+	dec c
+	jr nz, .display_loop
+	ret
+
+.UpdateMenu:
+	call .SetMenuAttributes
+.loop2
+	call Get2DMenuJoypad
+	ld a, [wMenuCursorY]
+	ld [wSpriteViewerSavedMenuPointerY], a
+	ldh a, [hJoySum]
+	bit A_BUTTON_F, a
+	jp nz, .a_button
+	bit B_BUTTON_F, a
+	jp nz, .b_button
+	bit D_DOWN_F, a
+	jr nz, .down
+	bit D_UP_F, a
+	jr nz, .up
+	bit D_LEFT_F, a
+	jr nz, .left
+	bit D_RIGHT_F, a
+	jr nz, .right
+	jr .loop2
+
+.a_button
+	ld a, SPRITEVIEWER_SHOW_SPRITES
+	ld [wSpriteViewerJumptableIndex], a
+	xor a
+	ret
+
+.b_button
+	ld a, SPRITEVIEWER_EXIT
+	ld [wSpriteViewerJumptableIndex], a
+	xor a
+	ret
+
+.up
+	ld a, [wSpriteViewerMenuStartingItem]
+	and a
+	jr z, .reload_menu
+	dec a
+	ld [wSpriteViewerMenuStartingItem], a
+	jr .reload_menu
+
+.down
+	ld a, [wMovementBufferObject]
+	cp 5
+	jr c, .reload_menu
+	sub 5
+	ld b, a
+	ld a, [wSpriteViewerMenuStartingItem]
+	cp b
+	jr z, .reload_menu
+	inc a
+	ld [wSpriteViewerMenuStartingItem], a
+	jr .reload_menu
+
+.right
+	ld a, [wMovementBufferObject]
+	cp 5
+	jr c, .reload_menu
+	sub 4
+	ld b, a
+	ld a, [wSpriteViewerMenuStartingItem]
+	add 5
+	ld [wSpriteViewerMenuStartingItem], a
+	cp b
+	jr c, .reload_menu
+	dec b
+	ld a, b
+	ld [wSpriteViewerMenuStartingItem], a
+	jr .reload_menu
+
+.left
+	ld a, [wSpriteViewerMenuStartingItem]
+	sub 5
+	ld [wSpriteViewerMenuStartingItem], a
+	jr nc, .reload_menu
+	xor a
+	ld [wSpriteViewerMenuStartingItem], a
+	jr .reload_menu
+
+.reload_menu
+	ld a, SPRITEVIEWER_INIT_MENU
+	ld [wSpriteViewerJumptableIndex], a
+	xor a
+	ret
+
+.ShowSprites:
+	call ClearTileMap
+	call .SetStartingPoint
+	call LoadUnderDevelopmentString
+	hlcoord 1, 2
+	call PlaceString
+	call .SetStartingPoint
+	ld c, a
+	callab Function14144
+	ld hl, vSprites + $c0
+	ld de, vFont
+	ld bc, 12
+	call Get2bpp
+	call LoadFont
+	call .SetStartingPoint
+	call IsAnimatedSprite
+	jr c, .animated_sprite
+; static sprite
+	ld a, SPRITEVIEWER_SETUP_STATIC_SPRITE
+	ld [wSpriteViewerJumptableIndex], a
+	xor a
+	ret
+
+.animated_sprite
+	ld a, SPRITEVIEWER_SETUP_ANIMATED_SPRITE
+	ld [wSpriteViewerJumptableIndex], a
+	xor a
+	ret
+
+.SetupAnimatedSprite:
+	ld a, $10
+	ld [wMovementBuffer], a
+	ld a, $20
+	ld [wMovementBuffer + 1], a
+	ld hl, Datafc6de
+	ld de, wVirtualOAM
+	call Functionfc6bb
+	ld a, A_BUTTON | B_BUTTON
+	call FieldDebug_WaitJoypadInput
+	ld a, SPRITEVIEWER_INIT_MENU
+	ld [wSpriteViewerJumptableIndex], a
+	xor a
+	ret
+
+.SetupStaticSprite:
+	xor a
+	ld [wMovementBuffer + 2], a
+
+.SpriteLoop:
+	ld a, $10
+	ld [wMovementBuffer], a
+	ld a, $20
+	ld [wMovementBuffer + 1], a
+	call Functionfc689
+	call .animate_walking
+	bit B_BUTTON_F, a
+	jr nz, .return_to_menu
+	bit A_BUTTON_F, a
+	jr nz, .show_follow_prompt
+	ld a, [wMovementBuffer + 2]
+	inc a
+	and 3
+	ld [wMovementBuffer + 2], a
+	ldh a, [hJoyState]
+	and D_UP | D_DOWN | D_LEFT | D_RIGHT
+	jr nz, .SpriteLoop
+	xor a
+	ld [wMovementBuffer + 2], a
+	jr .SpriteLoop
+.return_to_menu
+	ld a, SPRITEVIEWER_INIT_MENU
+	ld [wSpriteViewerJumptableIndex], a
+	xor a ; FIELDDEBUG_RETURN_REOPEN
+	ret
+.show_follow_prompt
+	ld a, SPRITEVIEWER_FOLLOW_PROMPT
+	ld [wSpriteViewerJumptableIndex], a
+	xor a ; FIELDDEBUG_RETURN_REOPEN
+	ret
+.animate_walking
+	ld c, 10
+.animate_loop
+	call DelayFrame
+	call GetJoypad
+	ldh a, [hJoyDown]
+	and 3
+	ret nz
+	dec c
+	jr nz, .animate_loop
+	ret
+
+.FollowPrompt:
+	ld hl, .FollowPromptString
+	call MenuTextBox
+	call YesNoBox
+	call CloseWindow
+	jr nc, .set_following
+; return to menu
+	ld a, SPRITEVIEWER_INIT_MENU
+	ld [wSpriteViewerJumptableIndex], a
+	xor a
+	ret
+.set_following
+	call .SetStartingPoint
+	ld [wd646], a
+	ld a, SPRITEVIEWER_SET_FOLLOWING
+	ld [wSpriteViewerJumptableIndex], a
+	ret
+
+.FollowPromptString:
+	text "これを　せんたくしますか？"
+	done
+
+.SetStartingPoint:
+	push bc
+	ld a, [wSpriteViewerMenuStartingItem]
+	ld b, a
+	ld a, [wSpriteViewerSavedMenuPointerY]
+	add b
+	pop bc
+	ret
+
+LoadUnderDevelopmentString:
+	ld de, .String
+	ret
+
+.String:
+	db "かいはつちゅう@"
+
+Functionfc689:
+	ld de, wVirtualOAM
+	ld hl, Datafc6de
+	ld a, [wMovementBuffer + 2]
+	and 3
+	ld bc, 2
+	call AddNTimes
+	ld c, 4
+
+Functionfc69c:
+	push bc
+	push hl
+	push de
+	call Functionfc6bb
+	ld a, [wMovementBuffer]
+	add $20
+	ld [wMovementBuffer], a
+	pop hl
+	ld bc, $10
+	add hl, bc
+	ld d, h
+	ld e, l
+	pop hl
+	ld bc, 8
+	add hl, bc
+	pop bc
+	dec c
+	jr nz, Functionfc69c
+	ret
+
+Functionfc6bb:
+	ld a, [hli]
+	ld h, [hl]
+	ld l, a
+
+Functionfc6be:
+	ld a, [wMovementBuffer + 1]
+	add $10
+	add [hl]
+	inc hl
+	ld [de], a
+	inc de
+	ld a, [wMovementBuffer]
+	add 8
+	add [hl]
+	inc hl
+	ld [de], a
+	inc de
+	ld a, [hli]
+	ld [de], a
+	inc de
+	ld a, [hl]
+	and $f0
+	ld [de], a
+	inc de
+	ld a, [hli]
+	bit 0, a
+	jr z, Functionfc6be
+	ret
+
+Datafc6de:
+	dw Datafc6fe
+	dw Datafc70e
+	dw Datafc6fe
+	dw Datafc71e
+	dw Datafc72e
+	dw Datafc73e
+	dw Datafc72e
+	dw Datafc74e
+	dw Datafc75e
+	dw Datafc77e
+	dw Datafc75e
+	dw Datafc77e
+	dw Datafc76e
+	dw Datafc78e
+	dw Datafc76e
+	dw Datafc78e
+
+Datafc6fe:
+	db 0, 0, 0, 0, 0, 8, 1, 0
+	db 8, 0, 2, 2, 8, 8, 3, 3
+
+Datafc70e:
+	db 0, 0, $c, 0, 0, 8, $d, 0
+	db 8, 0, $e, 2, 8, 8, $f, 3
+
+Datafc71e:
+	db 0, 8, $c, $20, 0, 0, $d, $20
+	db 8, 8, $e, $22, 8, 0, $f, $23
+
+Datafc72e:
+	db 0, 0, 4, 0, 0, 8, 5, 0
+	db 8, 0, 6, 2, 8, 8, 7, 3
+
+Datafc73e:
+	db 0, 0, $10, 0, 0, 8, $11, 0
+	db 8, 0, $12, 2, 8, 8, $13, 3
+
+Datafc74e:
+	db 0, 8, $10, $20, 0, 0, $11, $20
+	db 8, 8, $12, $22, 8, 0, $13, $23
+
+Datafc75e:
+	db 0, 0, 8, 0, 0, 8, 9, 0
+	db 8, 0, $a, 2, 8, 8, $b, 3
+
+Datafc76e:
+	db 0, 8, 8, $20, 0, 0, 9, $20
+	db 8, 8, $a, $22, 8, 0, $b, $23
+
+Datafc77e:
+	db 0, 0, $14, 0, 0, 8, $15, 0
+	db 8, 0, $16, 2, 8, 8, $17, 3
+
+Datafc78e:
+	db 0, 8, $14, $20, 0, 0, $15, $20
+	db 8, 8, $16, $22, 8, 0, $17, $23
+
diff --git a/engine/debug/field/teleport.inc b/engine/debug/field/teleport.inc
new file mode 100644
index 0000000..5edbf97
--- /dev/null
+++ b/engine/debug/field/teleport.inc
@@ -0,0 +1,33 @@
+FieldDebug_Teleport:
+	call .DoTeleport
+	ld a, FIELDDEBUG_RETURN_REOPEN
+	ret
+
+.DoTeleport:
+	ld a, [wMapGroup]
+	ld d, a
+	ld a, [wMapId]
+	ld e, a
+	callab IsSpawnPoint
+	jr nc, .not_spawn_point
+	ld a, [wMapGroup]
+	ld [wLastSpawnMapGroup], a
+	ld a, [wMapId]
+	ld [wLastSpawnMapNumber], a
+	ld hl, .MapRegisteredText
+	call MenuTextBoxBackup
+	ret
+
+.not_spawn_point
+	ld hl, .CannotRegisterMapText
+	call MenuTextBoxBackup
+	ret
+
+.MapRegisteredText:
+	text "このばしょを　とうろくしました"
+	para "<DONE>"
+
+.CannotRegisterMapText:
+	text "ここは　とうろくできません！"
+	para "<DONE>"
+
diff --git a/engine/debug/field/toggle_npc_movement.inc b/engine/debug/field/toggle_npc_movement.inc
new file mode 100644
index 0000000..1dba049
--- /dev/null
+++ b/engine/debug/field/toggle_npc_movement.inc
@@ -0,0 +1,39 @@
+FieldDebug_ToggleNPCMovement:
+	call .ToggleNPCMovement
+	jr nc, .close
+	ld a, FIELDDEBUG_RETURN_REOPEN
+	ret
+.close
+	ld a, FIELDDEBUG_RETURN_CLOSE
+	ret
+
+.ToggleNPCMovement:
+	ld hl, .MenuHeader
+	call GetMenu2
+	ret c
+	ld a, [wMenuCursorY]
+	cp 1
+	jr nz, .move
+; stop NPCs
+	ld a, 0
+	call Function17f9
+	jr .done
+
+.move
+	call Function1848
+.done
+	and a
+	ret
+
+.MenuHeader:
+	db MENU_BACKUP_TILES
+	menu_coords 0, 0, 7, 6
+	dw .MenuData
+	db 1
+
+.MenuData:
+	db STATICMENU_CURSOR
+	db 2
+	db "とめる@"
+	db "うごかす@"
+
diff --git a/engine/debug/field/toolgear.inc b/engine/debug/field/toolgear.inc
new file mode 100644
index 0000000..eac3650
--- /dev/null
+++ b/engine/debug/field/toolgear.inc
@@ -0,0 +1,97 @@
+FieldDebug_Toolgear:
+	call OpenToolgearMenu
+	jr c, .cancelled
+	ld a, [wMenuCursorY]
+	dec a
+	ld hl, .Jumptable
+	jp CallJumptable
+
+.Jumptable:
+	dw .EnableToolgearClock
+	dw .DisplayCoords
+	dw .ChangeRTC
+	dw .DayNight60SecondCycle
+	dw .ResetDayNightCycle
+	dw .DisableToolgearClock
+
+.cancelled
+	ld a, FIELDDEBUG_RETURN_REOPEN
+	ret
+
+.DayNight60SecondCycle:
+	ld hl, wd153
+	set OVERWORLD_MINUTE_TIME_F, [hl]
+	jr .UpdateDayNightCycle
+
+.ResetDayNightCycle:
+	ld hl, wd153
+	res OVERWORLD_MINUTE_TIME_F, [hl]
+	jr .UpdateDayNightCycle
+
+.ChangeRTC:
+	callab SetTime
+
+.UpdateDayNightCycle:
+	callab Function8c325
+	call UpdateTimePals
+	ld a, FIELDDEBUG_RETURN_CLOSE
+	ret
+
+.EnableToolgearClock:
+	call EnableToolgear
+	ld a, FIELDDEBUG_RETURN_CLOSE
+	ret
+
+.DisableToolgearClock:
+	call DisableToolgear
+	ld a, FIELDDEBUG_RETURN_CLOSE
+	ret
+
+.DisplayCoords:
+	call EnableToolgearCoords
+	ld a, FIELDDEBUG_RETURN_CLOSE
+	ret
+
+EnableToolgearCoords:
+	call EnableToolgear
+	ld hl, wd153
+	set TOOLGEAR_COORDS_F, [hl]
+	ret
+
+OpenToolgearMenu:
+	ld hl, .MenuHeader
+	call LoadMenuHeader
+	call .AfterToolgearOpen
+	ld [wMenuCursorBuffer], a
+	call VerticalMenu
+	call CloseWindow
+	ret
+
+.AfterToolgearOpen:
+	ld a, [wToolgearFlags]
+	bit TOOLGEAR_COORDS_F, a
+	ld a, FIELDDEBUG_RETURN_CLEANUP
+	ret nz
+	ld hl, wd153
+	bit TOOLGEAR_COORDS_F, [hl]
+	ld a, FIELDDEBUG_RETURN_WAIT_INPUT
+	ret nz
+	ld a, FIELDDEBUG_RETURN_CLOSE
+	ret
+
+.MenuHeader:
+	db MENU_BACKUP_TILES
+	menu_coords 0, 0, 7, 14
+	dw .MenuData
+	db 1
+
+.MenuData:
+	db STATICMENU_CURSOR
+	db 6
+	db "とけい@"
+	db "ざひょう@"
+	db "アジャスト@"
+	db "６０びょう@"
+	db "２４じかん@"
+	db "けす@"
+
diff --git a/engine/debug/field/unused_flag_menu.inc b/engine/debug/field/unused_flag_menu.inc
new file mode 100644
index 0000000..72aae14
--- /dev/null
+++ b/engine/debug/field/unused_flag_menu.inc
@@ -0,0 +1,90 @@
+FieldDebug_UnusedFlagMenu: ; unused?
+	ld hl, .MenuHeader
+	call LoadMenuHeader
+	call VerticalMenu
+	call CloseWindow
+	ret
+
+.MenuHeader:
+	db MENU_BACKUP_TILES
+	menu_coords 0, 0, 7, 10
+	dw .MenuData
+	db 1
+
+.MenuData:
+	db STATICMENU_CURSOR
+	db 4
+	db "フラグ１@"
+	db "フラグ２@"
+	db "フラグ３@"
+	db "フラグ４@"
+
+	call LoadStandardMenuHeader
+	bccoord 0, 14
+	call .DoCheckFlags
+	call WaitBGMap
+	ld a, A_BUTTON | B_BUTTON
+	call FieldDebug_WaitJoypadInput
+	call CloseWindow
+	ld a, FIELDDEBUG_RETURN_REOPEN
+	ret
+
+.DoCheckFlags:
+unused_check_bit: macro
+	ld hl, \1
+	bit 0, [hl]
+	call .CheckBit
+	ld hl, \1
+	bit 1, [hl]
+	call .CheckBit
+	ld hl, \1
+	bit 2, [hl]
+	call .CheckBit
+	ld hl, \1
+	bit 3, [hl]
+	call .CheckBit
+	ld hl, \1
+	bit 4, [hl]
+	call .CheckBit
+	ld hl, \1
+	bit 5, [hl]
+	call .CheckBit
+	ld hl, \1
+	bit 6, [hl]
+	call .CheckBit
+	ld hl, \1
+	bit 7, [hl]
+	call .CheckBit
+endm
+
+	unused_check_bit wcdc3
+	unused_check_bit wcdc4
+	unused_check_bit wcdc5
+	unused_check_bit wcdc6
+	unused_check_bit wcdc7
+	ret
+
+.CheckBit:
+	ld a, "０"
+	jr z, .not_set
+	ld a, "１"
+.not_set
+	ld [bc], a
+	inc bc
+	ret
+
+Functionfd91e: ; unused?
+	call .asm_fd930
+	ld a, [wCountSetBitsResult]
+	ld [wMonDexIndex], a
+	callab Pokepic
+	ret
+
+.asm_fd930
+	call Random
+	cp 251
+	jr nc, .asm_fd930
+	inc a
+	ld [wCountSetBitsResult], a
+	ret
+
diff --git a/engine/debug/field/unused_priority_menu.inc b/engine/debug/field/unused_priority_menu.inc
new file mode 100644
index 0000000..8e20a12
--- /dev/null
+++ b/engine/debug/field/unused_priority_menu.inc
@@ -0,0 +1,30 @@
+FieldDebug_UnusedSetPriority:
+	ld hl, .MenuHeader
+	call GetMenu2
+	jr c, .done
+	ld a, [wMenuCursorY]
+	cp 1
+	jr nz, .skip
+	ld a, 0
+	call Function19aa
+	jr .done
+
+.skip
+	ld a, 0
+	call Function19b5
+.done
+	ld a, FIELDDEBUG_RETURN_REOPEN
+	ret
+
+.MenuHeader:
+	db MENU_BACKUP_TILES
+	menu_coords 0, 0, 8, 6
+	dw .MenuData
+	db 1
+
+.MenuData:
+	db STATICMENU_CURSOR
+	db 2
+	db "ゆうせん@"
+	db "ひゆうせん@"
+
diff --git a/engine/debug/field/vram_viewer.inc b/engine/debug/field/vram_viewer.inc
new file mode 100644
index 0000000..668d1df
--- /dev/null
+++ b/engine/debug/field/vram_viewer.inc
@@ -0,0 +1,272 @@
+FieldDebug_DoVRAMViewer:
+	call LoadStandardMenuHeader
+	call ClearTileMap
+	call ClearSprites
+	ldh a, [hMapAnims]
+	push af
+	xor a
+	ldh [hMapAnims], a
+	ld a, 1
+	ld [wcdc3], a
+	call .GenerateTilemap
+	call WaitBGMap
+	call .DoViewer
+	pop af
+	ldh [hMapAnims], a
+	ld a, $e3
+	ldh [rLCDC], a
+	call .ReloadDefaultGFX
+	call CloseWindow
+	ld a, FIELDDEBUG_RETURN_REOPEN
+	ret
+
+.DoViewer:
+	ld a, [wcdc3]
+	dec a
+	ld hl, .Jumptable
+	call CallJumptable
+	call .GenerateTilemap
+	call .ScreenControl
+	jr nc, .DoViewer
+	ret
+
+.ScreenControl:
+	call WaitBGMap
+.wait_input
+	call GetJoypad
+	ldh a, [hJoyDown]
+	and A_BUTTON | B_BUTTON | START | D_RIGHT | D_LEFT
+	jr z, .wait_input
+	bit D_LEFT_F, a
+	jr nz, .next_page
+	bit D_RIGHT_F, a
+	jr nz, .previous_page
+	bit START_F, a
+	jr nz, .switch_tileset
+	bit A_BUTTON_F, a
+	ret nz
+	scf
+	ret
+
+.switch_tileset
+	ldh a, [rLCDC]
+	xor (1 << rLCDC_TILE_DATA)
+	ldh [rLCDC], a
+	and a
+	ret
+
+.next_page
+	ld hl, wcdc3
+	inc [hl]
+	ld a, [hl]
+	cp 8
+	jr c, .not_at_end
+	ld [hl], 1
+
+.not_at_end
+	and a
+	ret
+
+.previous_page
+	ld hl, wcdc3
+	dec [hl]
+	jr z, .not_at_start
+	and a
+	ret
+
+.not_at_start
+	ld [hl], 7
+	and a
+	ret
+
+.Jumptable:
+	dw .LoadTilesets1
+	dw .LoadBagGFX
+	dw .LoadTilesetsCommon
+	dw .LoadToolgearGFX
+	dw .ReloadDefaultGFX
+	dw .LoadStatsGFX
+	dw .LoadTilesets6
+
+.GenerateTilemap:
+	hlcoord 1, 1
+	ld de, 4
+	ld b, $10
+	xor a
+.generate_loop1
+	ld c, $10
+.generate_loop2
+	ld [hli], a
+	inc a
+	dec c
+	jr nz, .generate_loop2
+	add hl, de
+	dec b
+	jr nz, .generate_loop1
+	ret
+
+.ReloadDefaultGFX:
+	call .LoadTilesetsCommon
+	call LoadFont
+	ret
+
+.LoadBagGFX:
+	call .LoadTilesetsCommon
+	call DisableLCD
+	call LoadFont
+	callab LoadBackpackGraphics
+	call EnableLCD
+	ret
+
+.LoadToolgearGFX:
+	call .LoadTilesetsCommon
+	call LoadToolgearGraphics
+	ret
+
+.LoadTilesets1:
+	call .LoadTilesetsCommon
+	call DisableLCD
+	call LoadFontsBattleExtra
+	call LoadFont
+	call EnableLCD
+	ret
+
+.LoadStatsGFX:
+	call .LoadTilesetsCommon
+	call DisableLCD
+	call LoadFontsBattleExtra
+	call LoadFont
+	callab LoadPokemonStatsGraphics
+	xor a
+	ldh [hMapAnims], a
+	call EnableLCD
+	ld de, vTileset
+	call .LoadPokemon
+	ret
+
+.LoadTilesets6:
+	call DisableLCD
+	xor a
+	ld hl, vSprites
+	ld bc, $180 tiles
+	call ByteFill
+	call LoadFont
+	callab Function3e39f
+	xor a
+	ldh [hMapAnims], a
+	call EnableLCD
+	ld de, vTileset
+	call .LoadPokemon
+	ld de, $9310
+	ld a, 3
+	ld [wcdd8], a
+	predef Function3f04a
+	ret
+
+.LoadPokemon:
+	ld a, 3
+	ld [wce37], a
+	ld [wMonDexIndex], a
+	call GetMonHeader
+	call LoadMonFrontSprite
+	ret
+
+.LoadTilesetsCommon:
+	call DisableLCD
+	xor a
+	ld hl, vSprites
+	ld bc, $180 tiles
+	call ByteFill
+	call LoadTilesetGFX
+	ld a, 1
+	ldh [hMapAnims], a
+	callab LoadUsedSpritesGfx
+	call LoadFontExtra
+	call EnableLCD
+	ret
+
+FieldDebug_DoClearEventFlags:
+	ld hl, .MenuHeader
+	call LoadMenuHeader
+	call VerticalMenu
+	call CloseWindow
+	ret c
+	call .CheckMapFlags
+	jr nc, .no_flags
+	ld a, [wMenuCursorY]
+	cp 1
+	ld a, 0
+	jr z, .done
+	ld a, $ff
+.done
+	ld [de], a
+	ret
+
+.no_flags
+	ld hl, .NoMapFlagsText
+	call MenuTextBoxBackup
+	ret
+
+.NoMapFlagsText:
+	text "このマップは　シーケンスの"
+	line "とうろくが　ありません"
+	prompt
+
+.MenuHeader:
+	db MENU_BACKUP_TILES
+	menu_coords 0, 0, 12, 6
+	dw .MenuData
+	db 1
+
+.MenuData:
+	db STATICMENU_CURSOR
+	db 2
+	db "フラグを　クりア@"
+	db "フラグを　うめる@"
+
+.CheckMapFlags:
+	ld a, [wMapGroup]
+	ld b, a
+	ld a, [wMapId]
+	ld c, a
+	ld hl, UnknownMapBufferPointers
+.determine_loop
+	push hl
+	ld a, BANK(UnknownMapBufferPointers)
+	call GetFarByte
+	cp -1
+	jr z, .none_found
+	cp b
+	jr nz, .determine_loop2
+	inc hl
+	ld a, BANK(UnknownMapBufferPointers)
+	call GetFarByte
+	cp c
+	jr nz, .determine_loop2
+	jr .has_flags
+
+.determine_loop2
+	pop hl
+	ld de, 8
+	add hl, de
+	jr .determine_loop
+
+.has_flags
+	pop hl
+	ld de, 6
+	add hl, de
+	ld a, BANK(UnknownMapBufferPointers)
+	call GetFarByte
+	ld e, a
+	inc hl
+	ld a, BANK(UnknownMapBufferPointers)
+	call GetFarByte
+	ld d, a
+	scf
+	ret
+
+.none_found
+	pop hl
+	and a
+	ret
+
diff --git a/engine/debug/field/warp.inc b/engine/debug/field/warp.inc
new file mode 100644
index 0000000..9b2e9b6
--- /dev/null
+++ b/engine/debug/field/warp.inc
@@ -0,0 +1,73 @@
+FieldDebug_Warp:
+	call DebugMenu_DisplayWarpSubmenu
+	jr nc, .do_warp
+	ld a, FIELDDEBUG_RETURN_REOPEN
+	ret
+
+.do_warp
+	ld a, [wMenuSelection]
+	ld [wDefaultSpawnPoint], a
+	ld hl, wVramState
+	set 6, [hl]
+	ldh a, [hROMBank]
+	ld hl, FieldDebug_ShowWarpToText
+	call QueueScript
+	ld de, SFX_22
+	call PlaySFX
+	call DelayFrame
+	ld a, FIELDDEBUG_RETURN_EXIT
+	ret
+
+SECTION "engine/debug/field/warp.inc@FieldDebug_ShowWarpToText", ROMX
+
+FieldDebug_ShowWarpToText:
+	call .ShowText
+	call Functionfcc24
+	ld a, MAPSETUP_TELEPORT
+	ldh [hMapEntryMethod], a
+	scf
+	ret
+
+.ShowText:
+	call RefreshScreen
+	ld a, [wDefaultSpawnPoint]
+	call GetLandmarkName
+	call CopyStringToStringBuffer2
+	ld hl, .WarpToText
+	call FieldDebug_ShowTextboxAndExit
+	call Function1fea
+	ret
+
+.WarpToText:
+	text_from_ram wStringBuffer2
+	text "に"
+	line "ワープします！"
+	done
+
+Functionfcc24:
+	ld a, 0
+	call Function17f9
+	ld a, 0
+	ld hl, .MovementDatafcc49
+	call LoadMovementDataPointer
+	ld hl, wVramState
+	set 7, [hl]
+
+.asm_fcc36
+	call Function2c4a
+	ld a, [wVramState]
+	bit 7, a
+	jr nz, .asm_fcc36
+	ld a, 0
+	ld hl, .MovementDatafcc4b
+	call Function16fb
+	ret
+
+.MovementDatafcc49:
+	db $36
+	db $32
+
+.MovementDatafcc4b:
+	db $37
+	db $32
+
diff --git a/engine/debug/field_debug_menu.asm b/engine/debug/field_debug_menu.asm
new file mode 100644
index 0000000..1fc161e
--- /dev/null
+++ b/engine/debug/field_debug_menu.asm
@@ -0,0 +1,295 @@
+INCLUDE "constants.asm"
+
+; FieldDebugMenu.ReturnJumptable constants
+	const_def
+	const FIELDDEBUG_RETURN_REOPEN     ; 0
+	const FIELDDEBUG_RETURN_WAIT_INPUT ; 1
+	const FIELDDEBUG_RETURN_CLOSE      ; 2
+	const FIELDDEBUG_RETURN_CLEANUP    ; 3
+	const FIELDDEBUG_RETURN_EXIT       ; 4
+
+
+SECTION "engine/menu/field_debug_menu.asm@FieldDebugMenuHeader", ROMX
+
+FieldDebugMenuHeader:
+	db MENU_BACKUP_TILES
+	menu_coords 0, 0, 7, 17
+	dw .MenuData
+	db 1
+
+.MenuData:
+	db STATICMENU_ENABLE_LEFT_RIGHT | STATICMENU_ENABLE_START | STATICMENU_WRAP | STATICMENU_CURSOR
+	db 0
+	dw FieldDebug_Pages
+	dw PlaceMenuStrings
+	dw FieldDebug_MenuStrings
+
+INCLUDE "data/field_debug_entries.inc"
+
+FieldDebugMenu::
+	call RefreshScreen
+	ld de, SFX_MENU
+	call PlaySFX
+	ld hl, FieldDebugMenuHeader
+	call LoadMenuHeader
+
+; load first page
+	ld a, 0
+	ld [wFieldDebugPage], a
+
+.Reopen:
+	call UpdateTimePals
+	call UpdateSprites
+	ld a, [wFieldDebugMenuCursorBuffer]
+	ld [wMenuCursorBuffer], a
+	call OpenMenu
+	jr c, .WaitInput
+	ld a, [wMenuCursorBuffer]
+	ld [wFieldDebugMenuCursorBuffer], a
+	call PlaceHollowCursor
+
+	ld a, [wMenuJoypad]
+	cp A_BUTTON
+	jr z, .DoJumptable
+
+	call FieldDebug_ChangePage
+	jr .DoReturn
+
+.DoJumptable:
+	ld a, [wMenuSelection]
+	ld hl, FieldDebug_Jumptable
+	call CallJumptable
+
+.DoReturn:
+	ld hl, .ReturnJumptable
+	jp CallJumptable
+
+.ReturnJumptable:
+	dw .Reopen
+	dw .WaitInput
+	dw .Close
+	dw .Cleanup
+	dw .Exit
+
+.WaitInput:
+	call GetJoypad
+	ldh a, [hJoyDown]
+	bit A_BUTTON_F, a
+	jr nz, .WaitInput
+	call LoadFontExtra
+
+.Close:
+	call CloseWindow
+
+.Cleanup:
+	push af
+	call Function1fea
+	pop af
+	ret
+
+.Exit:
+	call ExitMenu
+	ld a, -1
+	ldh [hStartmenuCloseAndSelectHookEnable], a
+	jr .Cleanup
+
+FieldDebug_CloseMenu:
+	ld a, FIELDDEBUG_RETURN_CLOSE
+	ret
+
+FieldDebug_ChangePage:
+	ld a, [wMenuJoypad]
+	cp D_LEFT
+	jr z, .previous
+	ld a, [wFieldDebugPage]
+	inc a
+	cp FIELDDEBUG_NUM_PAGES
+	jr nz, .next
+	xor a
+.next
+	ld [wFieldDebugPage], a
+	jr FieldDebug_PlayMenuSound
+
+.previous
+	ld a, [wFieldDebugPage]
+	dec a
+	cp -1
+	jr nz, .load_previous
+	ld a, FIELDDEBUG_NUM_PAGES - 1
+.load_previous
+	ld [wFieldDebugPage], a
+	jr FieldDebug_PlayMenuSound
+
+FieldDebug_GoToNextPage:
+; This will only scroll between the first two pages
+; instead of the available three.
+
+	ld a, [wFieldDebugPage]
+	and a
+	jr z, .page_1
+	xor a
+	jr .load_page
+.page_1
+	ld a, 1
+.load_page
+	ld [wFieldDebugPage], a
+
+FieldDebug_PlayMenuSound:
+	ld de, SFX_MENU
+	call PlaySFX
+.loop
+	call GetJoypad
+	ldh a, [hJoyDown]
+	bit A_BUTTON_F, a
+	jr nz, .loop
+	ld a, FIELDDEBUG_RETURN_REOPEN
+	ret
+
+FieldDebug_WaitJoypadInput:
+	push bc
+	ld b, a
+.loop
+	call GetJoypad
+	ldh a, [hJoyDown]
+	and b
+	jr z, .loop
+	pop bc
+	ret
+
+FieldDebug_ShowTextboxAndExit:
+	call MenuTextBox
+	ld a, A_BUTTON | B_BUTTON
+	call FieldDebug_WaitJoypadInput
+	call CloseWindow
+	ret
+
+FieldDebug_FrameType:
+	call FrameTypeDialog
+	ld a, FIELDDEBUG_RETURN_REOPEN
+	ret
+
+FieldDebug_Reset:
+	call DisplayResetDialog
+	ld a, FIELDDEBUG_RETURN_REOPEN
+	ret
+
+FieldDebug_ShowTrainerCard: ; unreferenced?
+	callab _TrainerCard
+	ld a, FIELDDEBUG_RETURN_REOPEN
+	ret
+
+INCLUDE "engine/debug/field/change_transportation.inc"
+
+INCLUDE "engine/debug/field/change_tileset.inc"
+
+FieldDebug_TownMap:
+	call LoadStandardMenuHeader
+	call ClearSprites
+	callab FlyMap
+	call ClearPalettes
+	call Function3657
+	call LoadFontExtra
+	call CloseWindow
+	call GetMemSGBLayout
+	call SetPalettes
+	ld a, FIELDDEBUG_RETURN_REOPEN
+	ret
+
+INCLUDE "engine/debug/field/sprite_viewer.inc"
+
+FieldDebug_NamePlayer:
+	call LoadStandardMenuHeader
+	ld de, wPlayerName
+	ld b, 1
+	callab NamingScreen
+	call ClearBGPalettes
+	call ClearTileMap
+	call CloseWindow
+	call ClearSprites
+	call GetMemSGBLayout
+	call SetPalettes
+	ld hl, wce5f
+	res 4, [hl]
+	call LoadFontExtra
+	ld a, FIELDDEBUG_RETURN_REOPEN
+	ret
+
+INCLUDE "engine/debug/field/toolgear.inc"
+
+FieldDebug_HealPokemon:
+	predef HealParty
+	ld hl, .HealedText
+	call MenuTextBoxBackup
+	ld a, FIELDDEBUG_RETURN_REOPEN
+	ret
+
+.HealedText:
+	text "#の　たいりょくを"
+	line "かいふくしました"
+	prompt
+
+FieldDebug_CableClub:
+	callab Function29abf
+	ld a, FIELDDEBUG_RETURN_REOPEN
+	ret
+
+INCLUDE "engine/debug/field/npc_movement_test.inc"
+
+INCLUDE "engine/debug/field/mon_following.inc"
+
+INCLUDE "engine/debug/field/follow_npc_test.inc"
+
+INCLUDE "engine/debug/field/warp.inc"
+
+INCLUDE "engine/debug/field/toggle_npc_movement.inc"
+
+INCLUDE "engine/debug/field/field_cut.inc"
+
+INCLUDE "engine/debug/field/check_tile.inc"
+
+INCLUDE "engine/debug/field/move_to_entrance.inc"
+
+FieldDebug_TrainerGear:
+	call .OpenTrainerGear
+	ld a, FIELDDEBUG_RETURN_REOPEN
+	ret
+
+.OpenTrainerGear:
+	call LoadStandardMenuHeader
+	callab OpenTrainerGear
+	call ClearPalettes
+	callab StartMenuLoadSprites
+	call CloseWindow
+	ret
+
+INCLUDE "engine/debug/field/map_viewer.inc"
+
+INCLUDE "engine/debug/field/item_test.inc"
+
+FieldDebug_PCMenu:
+	callab PokemonCenterPC
+	ld a, FIELDDEBUG_RETURN_REOPEN
+	ret
+
+INCLUDE "engine/debug/field/pokemart_menu.inc"
+
+INCLUDE "engine/debug/field/teleport.inc"
+
+INCLUDE "engine/debug/field/minigames.inc"
+
+FieldDebug_VRAMViewer:
+	call FieldDebug_DoVRAMViewer
+	ld a, FIELDDEBUG_RETURN_REOPEN
+	ret
+
+FieldDebug_ClearEventFlags:
+	call FieldDebug_DoClearEventFlags
+	ld a, FIELDDEBUG_RETURN_REOPEN
+	ret
+
+INCLUDE "engine/debug/field/unused_flag_menu.inc"
+
+INCLUDE "engine/debug/field/unused_priority_menu.inc"
+
+INCLUDE "engine/debug/field/vram_viewer.inc"
+
diff --git a/home/map.asm b/home/map.asm
index 76aa499..86793db 100644
--- a/home/map.asm
+++ b/home/map.asm
@@ -1665,7 +1665,7 @@ Function2b78::
 	ret
 
 Function2b79::
-	callab Functionfce3e
+	callab DebugMapViewer
 	ld a, $4
 	call WriteIntod637
 	ret
diff --git a/home/overworld.asm b/home/overworld.asm
index d8bf242..ee111a8 100644
--- a/home/overworld.asm
+++ b/home/overworld.asm
@@ -13,7 +13,7 @@ OverworldStartButtonCheck::
 	ld a, [wDebugFlags]
 	bit DEBUG_FIELD_F, a
 	ret z              ; debug disabled
-	callba InGameDebugMenu
+	callba FieldDebugMenu
 	jr CheckStartmenuSelectHook
 .regularMenu
 	callba DisplayStartMenu
diff --git a/home/tileset.asm b/home/tileset.asm
index 16df729..6646fbb 100644
--- a/home/tileset.asm
+++ b/home/tileset.asm
@@ -357,6 +357,7 @@ GetBlockLocation::
 GetFacingSignpost::
 	call GetFacingTileCoord
 	ld b, a
+GetSignpost::
 	ld a, d
 	sub $4
 	ld d, a
diff --git a/home/toolgear.asm b/home/toolgear.asm
index 6ae720e..38a4c1c 100644
--- a/home/toolgear.asm
+++ b/home/toolgear.asm
@@ -47,14 +47,14 @@ newcharmap local
 
 EnableToolgear::
 	ld hl, wd153
-	res 0, [hl]
+	res TOOLGEAR_COORDS_F, [hl]
 	ld hl, wToolgearFlags
-	set 0, [hl]
+	set TOOLGEAR_COORDS_F, [hl]
 	ret
 
 DisableToolgear::
 	ld hl, wToolgearFlags
-	res 0, [hl]
+	res SHOW_TOOLGEAR_F, [hl]
 	xor a
 	ldh [hLCDCPointer], a
 	ret
@@ -63,10 +63,10 @@ InitToolgearBuffer::
 	xor a
 	ldh [hBGMapMode], a
 	ld hl, wToolgearFlags
-	bit 0, [hl]
+	bit SHOW_TOOLGEAR_F, [hl]
 	jr z, .hide_window
 
-	res 7, [hl]
+	res HIDE_TOOLGEAR_F, [hl]
 	call LoadToolgearGraphics
 
 	bgcoord hl, 0, 0, wToolgearBuffer
@@ -82,7 +82,7 @@ InitToolgearBuffer::
 	call UpdateToolgear
 
 	ld hl, vBGMap1
-	ld bc, $0004 ; 4 tiles = 2 rows
+	ld bc, $4 ; 4 tiles = 2 rows
 	bgcoord de, 0, 0, wToolgearBuffer
 	call Get2bpp
 
@@ -93,7 +93,7 @@ InitToolgearBuffer::
 	ldh [hWY], a
 	ret
 
-.hide_window:
+.hide_window
 	xor a
 	ldh [hLCDCPointer], a
 	ld a, $90
@@ -110,19 +110,20 @@ UpdateToolgear::
 	call ByteFill
 
 	ld hl, wd153
-	bit 0, [hl]
+	bit TOOLGEAR_COORDS_F, [hl]
 	jr z, .debug_show_time
+
 	ld hl, wXCoord
 	bgcoord de, 4, 1, wToolgearBuffer
-	ld c, $01
+	ld c, 1
 	call .printHex
 	ld hl, wYCoord
 	bgcoord de, 8, 1, wToolgearBuffer
-	ld c, $01
+	ld c, 1
 	call .printHex
 	ret
-.debug_show_time
 
+.debug_show_time
 	ld hl, hRTCHours
 	bgcoord de, 0, 1, wToolgearBuffer
 	call .printDec
@@ -140,7 +141,8 @@ UpdateToolgear::
 	ldh a, [hRTCSeconds]
 	and 1
 	ret z
-	ld a, $70 ; :
+
+	ld a, "："
 	ldbgcoord_a 2, 1, wToolgearBuffer
 	ret
 
@@ -180,7 +182,7 @@ UpdateToolgear::
 .printDigit::
 ; .printDigit
 ; print a hexadecimal digit for value in a to de
-	and $0f
+	and $f
 	add "０"
 	ld [de], a
 	inc de
diff --git a/layout.link b/layout.link
index 17ae518..382ccd8 100644
--- a/layout.link
+++ b/layout.link
@@ -946,16 +946,16 @@ ROMX $3e
 
 ROMX $3f
 	org $4000
-	org $4305
+	"engine/menu/field_debug_menu.asm@FieldDebugMenuHeader"
 	"engine/menu/frame_type_dialog.asm"
-	org $4362
 	"engine/menu/reset_dialog.asm"
-	org $4a57
+	"engine/debug/field/change_tileset.inc@FieldDebug_ChangeTileset"
 	"engine/landmarks.asm@1"
 	"data/maps/landmarks.asm"
 	"engine/landmarks.asm@2"
-	org $506f
+	"engine/debug/field/warp.inc@FieldDebug_ShowWarpToText"
 	"gfx.asm@Town Map Cursor"
+	"engine/debug/field/map_viewer.inc@DisplayBGEventDetails"
 	org $6255
 	"engine/menu/debug_menu.asm@Sound Test"
 	org $67a1
diff --git a/ram/hram.asm b/ram/hram.asm
index 2b28792..8269616 100644
--- a/ram/hram.asm
+++ b/ram/hram.asm
@@ -11,7 +11,10 @@ hRTCSeconds:: db
 hRTCDays:: db
 	ds 2 ; TODO
 hRTCStatusFlags:: db
-	ds 3 ; TODO
+
+	ds 2 ; TODO
+
+hDebugMapViewerJumptable:: db
 
 hVBlankCounter::
 	db
diff --git a/ram/wram.asm b/ram/wram.asm
index 1ba561b..11b0c16 100644
--- a/ram/wram.asm
+++ b/ram/wram.asm
@@ -614,6 +614,7 @@ wWindowStackPointer:: dw
 wMenuJoypad:: db
 wMenuSelection:: db
 wMenuSelectionQuantity:: db
+wFieldDebugPage::
 wWhichIndexSet::
 wActiveBackpackPocket:: db
 wScrollingMenuCursorPosition:: db
@@ -676,12 +677,33 @@ wTitleSequenceOpeningType::
 wDefaultSpawnPoint::
 	db
 
+
+UNION
+
+wcc40:: ; XXX fix this to cc3a
 wMovementBufferCount:: db
+
+wcc41:: ; XXX fix this to cc3b
 wMovementBufferObject:: db
+
 	ptrba wMovementBufferPointer
+
 wMovementBuffer::
 	ds 55
 
+NEXTU
+
+wSpriteViewerMenuStartingItem:: db
+
+	ds 2
+
+wSpriteViewerSavedMenuPointerY:: db
+wSpriteViewerJumptableIndex:: db
+
+	ds 56
+
+ENDU
+
 SECTION "CC9A", WRAM0[$CC9A]
 
 wSkatingDirection:: db
@@ -797,6 +819,7 @@ wStartmenuCursor:: db
 wcd40:: db
 wcd41:: db
 wcd42:: db
+wFieldDebugMenuCursorBuffer::
 wcd43:: db
 wRegularItemsScrollPosition:: db
 wBackpackAndKeyItemsScrollPosition:: db
@@ -831,6 +854,7 @@ wVramState:: db
 wcd5d:: db
 	db
 wChosenStarter:: db
+wcd60:: db
 
 SECTION "CD70", WRAM0[$CD70]
 wcd70:: ds 1
@@ -905,9 +929,21 @@ NEXTU
 wHPBarMaxHP:: dw
 wHPBarOldHP:: dw
 
+NEXTU
+
+wcdc3:: db
+wcdc4:: db
+wcdc5:: db
+wcdc6:: db
+
 ENDU
 
+UNION
 wHPBarNewHP:: dw
+NEXTU
+wcdc7:: db
+wcdc8:: db
+ENDU
 wHPBarDelta::   db
 wcdca:: db
 wHPBarHPDifference:: dw
@@ -1146,7 +1182,7 @@ wTimeOfDayPal:: db
 wd153:: db
 ; 76543210
 ; |      \- show player coords in toolgear instead of time
-; \-------- switch overworld palettes according to seconds not hours
+; \-------- switch overworld palettes according to minutes not hours
 
 	ds 3 ; TODO
 wTimeOfDayPalFlags:: db
@@ -1317,9 +1353,19 @@ wd642:: db
 wBGMapAnchor::
 	dw
 
+UNION
+
 wUsedSprites::
 	ds 2
 
+NEXTU
+
+	ds 1
+
+wd646:: db
+
+ENDU
+
 wUsedNPCSprites::
 	ds 8
 
diff --git a/shim.sym b/shim.sym
index 659eda3..53d8d13 100755
--- a/shim.sym
+++ b/shim.sym
@@ -92,6 +92,7 @@
 14:4CD1 Function50cd1
 14:4ED9 Function50ed9
 
+23:4325 Function8c325
 23:42DC UpdateTimeOfDayPal
 23:42E3 _TimeOfDayPals
 23:4335 _UpdateTimePals
@@ -128,11 +129,8 @@
 38:4E5F Cursor_AnimateCursor
 38:4EA8 Cursor_InterpretJoypad
 
-3F:40E9 InGameDebugMenu
-3F:4C24 Functionfcc24
 3F:4E3E Functionfce3e
 3F:5B66 Functionfdb66
-3F:6255 Functionfe255
 3F:64CE MonsterTest
 3F:654E PicTest
 3F:6750 PicTestMenu