mirror of
https://gitlab.com/xCrystal/pokecrystal-board.git
synced 2024-09-09 09:51:34 -07:00
243 lines
3.0 KiB
NASM
243 lines
3.0 KiB
NASM
PushWindow::
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callfar _PushWindow
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ret
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ExitMenu::
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push af
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callfar _ExitMenu
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pop af
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ret
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InitVerticalMenuCursor::
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callfar _InitVerticalMenuCursor
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ret
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CloseWindow::
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push af
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call ExitMenu
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call ApplyTilemap
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call UpdateSprites
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pop af
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ret
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RestoreTileBackup::
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call MenuBoxCoord2Tile
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call .copy
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call MenuBoxCoord2Attr
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call .copy
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ret
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.copy
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call GetMenuBoxDims
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inc b
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inc c
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.row
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push bc
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push hl
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.col
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ld a, [de]
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ld [hli], a
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dec de
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dec c
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jr nz, .col
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pop hl
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ld bc, SCREEN_WIDTH
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add hl, bc
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pop bc
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dec b
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jr nz, .row
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ret
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PopWindow::
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ld b, $10
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ld de, wMenuFlags
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.loop
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ld a, [hld]
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ld [de], a
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inc de
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dec b
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jr nz, .loop
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ret
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GetMenuBoxDims::
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ld a, [wMenuBorderTopCoord] ; top
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ld b, a
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ld a, [wMenuBorderBottomCoord] ; bottom
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sub b
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ld b, a
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ld a, [wMenuBorderLeftCoord] ; left
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ld c, a
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ld a, [wMenuBorderRightCoord] ; right
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sub c
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ld c, a
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ret
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CopyMenuData::
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push hl
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push de
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push bc
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push af
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ld hl, wMenuDataPointer
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ld a, [hli]
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ld h, [hl]
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ld l, a
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ld de, wMenuDataFlags
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ld bc, wMenuDataEnd - wMenuDataFlags
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call CopyBytes
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pop af
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pop bc
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pop de
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pop hl
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ret
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GetWindowStackTop::
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ld hl, wWindowStackPointer
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ld a, [hli]
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ld h, [hl]
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ld l, a
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inc hl
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ld a, [hli]
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ld h, [hl]
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ld l, a
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ret
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PlaceVerticalMenuItems::
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call CopyMenuData
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ld hl, wMenuDataPointer
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ld e, [hl]
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inc hl
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ld d, [hl]
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call GetMenuTextStartCoord
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call Coord2Tile ; hl now contains the tilemap address where we will start printing text.
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inc de
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ld a, [de] ; Number of items
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inc de
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ld b, a
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.loop
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push bc
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call PlaceString
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inc de
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ld bc, 2 * SCREEN_WIDTH
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add hl, bc
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pop bc
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dec b
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jr nz, .loop
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ld a, [wMenuDataFlags]
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bit 4, a
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ret z
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call MenuBoxCoord2Tile
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ld a, [de]
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ld c, a
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inc de
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ld b, $0
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add hl, bc
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jp PlaceString
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MenuBox::
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call MenuBoxCoord2Tile
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call GetMenuBoxDims
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dec b
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dec c
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jp TextBox
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GetMenuTextStartCoord::
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ld a, [wMenuBorderTopCoord]
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ld b, a
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inc b
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ld a, [wMenuBorderLeftCoord]
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ld c, a
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inc c
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; bit 6: if not set, leave extra room on top
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ld a, [wMenuDataFlags]
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bit 6, a
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jr nz, .bit_6_set
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inc b
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.bit_6_set
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; bit 7: if set, leave extra room on the left
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ld a, [wMenuDataFlags]
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bit 7, a
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jr z, .bit_7_clear
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inc c
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.bit_7_clear
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ret
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ClearMenuBoxInterior::
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call MenuBoxCoord2Tile
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ld bc, SCREEN_WIDTH + 1
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add hl, bc
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call GetMenuBoxDims
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dec b
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dec c
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call ClearBox
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ret
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ClearWholeMenuBox::
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call MenuBoxCoord2Tile
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call GetMenuBoxDims
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inc c
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inc b
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call ClearBox
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ret
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MenuBoxCoord2Tile::
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ld a, [wMenuBorderLeftCoord]
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ld c, a
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ld a, [wMenuBorderTopCoord]
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ld b, a
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Coord2Tile::
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; Return the address of wTileMap(c, b) in hl.
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xor a
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ld h, a
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ld l, b
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ld a, c
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ld b, h
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ld c, l
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add hl, hl
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add hl, hl
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add hl, bc
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add hl, hl
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add hl, hl
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ld c, a
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xor a
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ld b, a
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add hl, bc
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bccoord 0, 0
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add hl, bc
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ret
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MenuBoxCoord2Attr::
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ld a, [wMenuBorderLeftCoord]
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ld c, a
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ld a, [wMenuBorderTopCoord]
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ld b, a
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Coord2Attr::
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; Return the address of wAttrMap(c, b) in hl.
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xor a
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ld h, a
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ld l, b
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ld a, c
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ld b, h
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ld c, l
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add hl, hl
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add hl, hl
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add hl, bc
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add hl, hl
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add hl, hl
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ld c, a
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xor a
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ld b, a
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add hl, bc
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bccoord 0, 0, wAttrMap
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add hl, bc
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ret
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