pokecrystal-board/home/menu.asm

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; Functions used in displaying and handling menus.
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LoadMenuDataHeader::
call CopyMenuDataHeader
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call PushWindow
ret
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CopyMenuDataHeader::
ld de, wMenuDataHeader
ld bc, wMenuDataHeaderEnd - wMenuDataHeader
call CopyBytes
ld a, [hROMBank]
ld [wMenuDataBank], a
ret
; 0x1d4b
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StoreTo_wMenuCursorBuffer:: ; 1d4b
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ld [wMenuCursorBuffer], a
ret
; 1d4f
MenuTextBox:: ; 1d4f
push hl
call LoadMenuTextBox
pop hl
jp PrintText
; 1d57
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ret_1d57:: ; 1d57
; unreferenced
ret
; 1d58
LoadMenuTextBox:: ; 1d58
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ld hl, .MenuDataHeader
call LoadMenuDataHeader
ret
; 1d5f
.MenuDataHeader: ; 1d5f
db $40 ; tile backup
db 12, 0 ; start coords
db 17, 19 ; end coords
dw VTiles0
db 0 ; default option
; 1d67
MenuTextBoxBackup:: ; 1d67
call MenuTextBox
call CloseWindow
ret
; 1d6e
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LoadStandardMenuDataHeader:: ; 1d6e
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ld hl, .MenuDataHeader
call LoadMenuDataHeader
ret
; 1d75
.MenuDataHeader: ; 1d75
db $40 ; tile backup
db 0, 0 ; start coords
db 17, 19 ; end coords
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dw 0
db 1 ; default option
; 1d7d
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Call_ExitMenu:: ; 1d7d
call ExitMenu
ret
; 1d81
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VerticalMenu::
xor a
ld [hBGMapMode], a
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call MenuBox
call UpdateSprites
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call PlaceVerticalMenuItems
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call ApplyTilemap
call CopyMenuData2
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ld a, [wMenuData2Flags]
bit 7, a
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jr z, .cancel
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call InitVerticalMenuCursor
call StaticMenuJoypad
call MenuClickSound
bit 1, a
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jr z, .okay
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.cancel
scf
ret
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.okay
and a
ret
; 0x1dab
GetMenu2:: ; 1dab
call LoadMenuDataHeader
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call VerticalMenu
call CloseWindow
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ld a, [wMenuCursorY]
ret
; 1db8
CopyNameFromMenu::
push hl
push bc
push af
ld hl, wMenuData2Pointer
ld a, [hli]
ld h, [hl]
ld l, a
inc hl
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inc hl
pop af
call GetNthString
ld d, h
ld e, l
call CopyName1
pop bc
pop hl
ret
; 0x1dcf
YesNoBox:: ; 1dcf
lb bc, SCREEN_WIDTH - 6, 7
PlaceYesNoBox:: ; 1dd2
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jr _YesNoBox
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PlaceGenericTwoOptionBox:: ; 1dd4
call LoadMenuDataHeader
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jr InterpretTwoOptionMenu
_YesNoBox:: ; 1dd9
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; Return nc (yes) or c (no).
push bc
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ld hl, YesNoMenuDataHeader
call CopyMenuDataHeader
pop bc
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; This seems to be an overflow prevention, but
; it was coded wrong.
ld a, b
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cp SCREEN_WIDTH - 6
jr nz, .okay ; should this be "jr nc"?
ld a, SCREEN_WIDTH - 6
ld b, a
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.okay
ld a, b
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ld [wMenuBorderLeftCoord], a
add 5
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ld [wMenuBorderRightCoord], a
ld a, c
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ld [wMenuBorderTopCoord], a
add 4
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ld [wMenuBorderBottomCoord], a
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call PushWindow
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InterpretTwoOptionMenu:: ; 1dfe
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call VerticalMenu
push af
ld c, $f
call DelayFrames
call CloseWindow
pop af
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jr c, .no
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ld a, [wMenuCursorY]
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cp 2 ; no
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jr z, .no
and a
ret
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.no
ld a, 2
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ld [wMenuCursorY], a
scf
ret
; 1e1d
YesNoMenuDataHeader:: ; 1e1d
db $40 ; tile backup
db 5, 10 ; start coords
db 9, 15 ; end coords
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dw .MenuData2
db 1 ; default option
; 1e25
.MenuData2: ; 1e25
db $c0 ; flags
db 2
db "YES@"
db "NO@"
; 1e2e
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OffsetMenuDataHeader:: ; 1e2e
call _OffsetMenuDataHeader
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call PushWindow
ret
; 1e35
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_OffsetMenuDataHeader:: ; 1e35
push de
call CopyMenuDataHeader
pop de
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ld a, [wMenuBorderLeftCoord]
ld h, a
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ld a, [wMenuBorderRightCoord]
sub h
ld h, a
ld a, d
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ld [wMenuBorderLeftCoord], a
add h
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ld [wMenuBorderRightCoord], a
ld a, [wMenuBorderTopCoord]
ld l, a
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ld a, [wMenuBorderBottomCoord]
sub l
ld l, a
ld a, e
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ld [wMenuBorderTopCoord], a
add l
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ld [wMenuBorderBottomCoord], a
ret
; 1e5d
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DoNthMenu:: ; 1e5d
call DrawVariableLengthMenuBox
call MenuWriteText
call InitMenuCursorAndButtonPermissions
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call GetStaticMenuJoypad
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call GetMenuJoypad
call MenuClickSound
ret
; 1e70
SetUpMenu:: ; 1e70
call DrawVariableLengthMenuBox ; ???
call MenuWriteText
call InitMenuCursorAndButtonPermissions ; set up selection pointer
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ld hl, w2DMenuFlags1
set 7, [hl]
ret
DrawVariableLengthMenuBox::
call CopyMenuData2
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call GetMenuIndexSet
call AutomaticGetMenuBottomCoord
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call MenuBox
ret
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MenuWriteText::
xor a
ld [hBGMapMode], a
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call GetMenuIndexSet ; sort out the text
call RunMenuItemPrintingFunction ; actually write it
call SafeUpdateSprites
ld a, [hOAMUpdate]
push af
ld a, $1
ld [hOAMUpdate], a
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call ApplyTilemap
pop af
ld [hOAMUpdate], a
ret
; 0x1ea6
AutomaticGetMenuBottomCoord:: ; 1ea6
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ld a, [wMenuBorderLeftCoord]
ld c, a
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ld a, [wMenuBorderRightCoord]
sub c
ld c, a
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ld a, [wMenuData2Items]
add a
inc a
ld b, a
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ld a, [wMenuBorderTopCoord]
add b
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ld [wMenuBorderBottomCoord], a
ret
; 1ebd
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GetMenuIndexSet:: ; 1ebd
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ld hl, wMenuData2IndicesPointer
ld a, [hli]
ld h, [hl]
ld l, a
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ld a, [wWhichIndexSet]
and a
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jr z, .skip
ld b, a
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ld c, -1
.loop
ld a, [hli]
cp c
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jr nz, .loop
dec b
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jr nz, .loop
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.skip
ld d, h
ld e, l
ld a, [hl]
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ld [wMenuData2Items], a
ret
; 1eda
RunMenuItemPrintingFunction:: ; 1eda
call MenuBoxCoord2Tile
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ld bc, 2 * SCREEN_WIDTH + 2
add hl, bc
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.loop
inc de
ld a, [de]
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cp -1
ret z
ld [MenuSelection], a
push de
push hl
ld d, h
ld e, l
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ld hl, wMenuData2DisplayFunctionPointer
call ._hl_
pop hl
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ld de, 2 * SCREEN_WIDTH
add hl, de
pop de
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jr .loop
; 1efb
._hl_ ; 1efb
ld a, [hli]
ld h, [hl]
ld l, a
jp hl
; 1eff
InitMenuCursorAndButtonPermissions:: ; 1eff
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call InitVerticalMenuCursor
ld hl, wMenuJoypadFilter
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ld a, [wMenuData2Flags]
bit 3, a
jr z, .disallow_select
set START_F, [hl]
.disallow_select
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ld a, [wMenuData2Flags]
bit 2, a
jr z, .disallow_left_right
set D_LEFT_F, [hl]
set D_RIGHT_F, [hl]
.disallow_left_right
ret
; 1f1a
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GetScrollingMenuJoypad:: ; 1f1a
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call ScrollingMenuJoypad
ld hl, wMenuJoypadFilter
and [hl]
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jr ContinueGettingMenuJoypad
; 1f23
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GetStaticMenuJoypad:: ; 1f23
xor a
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ld [wMenuJoypad], a
call StaticMenuJoypad
; 1f2a
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ContinueGettingMenuJoypad:
bit A_BUTTON_F, a
jr nz, .a_button
bit B_BUTTON_F, a
jr nz, .b_start
bit START_F, a
jr nz, .b_start
bit D_RIGHT_F, a
jr nz, .d_right
bit D_LEFT_F, a
jr nz, .d_left
xor a
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ld [wMenuJoypad], a
jr .done
.d_right
ld a, D_RIGHT
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ld [wMenuJoypad], a
jr .done
.d_left
ld a, D_LEFT
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ld [wMenuJoypad], a
jr .done
.a_button
ld a, A_BUTTON
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ld [wMenuJoypad], a
.done
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call GetMenuIndexSet
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ld a, [wMenuCursorY]
ld l, a
ld h, $0
add hl, de
ld a, [hl]
ld [MenuSelection], a
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ld a, [wMenuCursorY]
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ld [wMenuCursorBuffer], a
and a
ret
.b_start
ld a, B_BUTTON
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ld [wMenuJoypad], a
ld a, -1
ld [MenuSelection], a
scf
ret
; 1f79
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PlaceMenuStrings:: ; 1f79
push de
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ld hl, wMenuData2PointerTableAddr
ld a, [hli]
ld h, [hl]
ld l, a
ld a, [MenuSelection]
call GetNthString
ld d, h
ld e, l
pop hl
call PlaceString
ret
; 1f8d
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PlaceNthMenuStrings:: ; 1f8d
push de
ld a, [MenuSelection]
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call GetMenuDataPointerTableEntry
inc hl
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inc hl
ld a, [hli]
ld d, [hl]
ld e, a
pop hl
call PlaceString
ret
; 1f9e
Function1f9e:: ; 1f9e
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; unreferenced
call GetMenuDataPointerTableEntry
inc hl
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inc hl
ld a, [hli]
ld d, [hl]
ld e, a
ret
; 1fa7
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MenuJumptable:: ; 1fa7
ld a, [MenuSelection]
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call GetMenuDataPointerTableEntry
ld a, [hli]
ld h, [hl]
ld l, a
jp hl
; 1fb1
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GetMenuDataPointerTableEntry:: ; 1fb1
ld e, a
ld d, $0
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ld hl, wMenuData2PointerTableAddr
ld a, [hli]
ld h, [hl]
ld l, a
add hl, de
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add hl, de
add hl, de
add hl, de
ret
; 1fbf
ClearWindowData:: ; 1fbf
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ld hl, wWindowStackPointer
call .bytefill
ld hl, wMenuDataHeader
call .bytefill
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ld hl, wMenuData2Flags
call .bytefill
ld hl, w2DMenuCursorInitY
call .bytefill
ld a, [rSVBK]
push af
ld a, $7
ld [rSVBK], a
xor a
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ld hl, wWindowStackBottom
ld [hld], a
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ld [hld], a
ld a, l
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ld [wWindowStackPointer], a
ld a, h
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ld [wWindowStackPointer + 1], a
pop af
ld [rSVBK], a
ret
; 1ff0
.bytefill ; 1ff0
ld bc, $0010
xor a
call ByteFill
ret
; 1ff8
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MenuClickSound:: ; 1ff8
push af
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and A_BUTTON | B_BUTTON
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jr z, .nosound
ld hl, wMenuFlags
bit 3, [hl]
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jr nz, .nosound
call PlayClickSFX
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.nosound
pop af
ret
; 2009
PlayClickSFX:: ; 2009
push de
ld de, SFX_READ_TEXT_2
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call PlaySFX
pop de
ret
; 0x2012
MenuTextBoxWaitButton:: ; 2012
call MenuTextBox
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call WaitButton
call ExitMenu
ret
; 201c
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Place2DMenuItemName:: ; 201c
ld [hBuffer], a
ld a, [hROMBank]
push af
ld a, [hBuffer]
rst Bankswitch
call PlaceString
pop af
rst Bankswitch
ret
; 202a
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_2DMenu:: ; 202a
ld a, [hROMBank]
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ld [wMenuData2_2DMenuItemStringsBank], a
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farcall _2DMenu_
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ld a, [wMenuCursorBuffer]
ret
; 2039
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InterpretBattleMenu:: ; 2039
ld a, [hROMBank]
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ld [wMenuData2_2DMenuItemStringsBank], a
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farcall _InterpretBattleMenu
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ld a, [wMenuCursorBuffer]
ret
; 2048
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InterpretMobileMenu:: ; 2048
ld a, [hROMBank]
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ld [wMenuData2_2DMenuItemStringsBank], a
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farcall _InterpretMobileMenu
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ld a, [wMenuCursorBuffer]
ret
; 2057