mirror of
https://gitlab.com/xCrystal/pokecrystal-board.git
synced 2024-11-16 11:27:33 -08:00
435 lines
6.6 KiB
NASM
435 lines
6.6 KiB
NASM
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HandleNewMap:
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call ClearUnusedMapBuffer
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call ResetMapBufferEventFlags
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call ResetFlashIfOutOfCave
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call GetCurrentMapSceneID
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call ResetBikeFlags
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ld a, MAPCALLBACK_NEWMAP
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call RunMapCallback
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InitCommandQueue:
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farcall ClearCmdQueue
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ld a, MAPCALLBACK_CMDQUEUE
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call RunMapCallback
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call GetMapTimeOfDay
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ld [wMapTimeOfDay], a
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ret
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EnterMapConnection:
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; Return carry if a connection has been entered.
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ld a, [wPlayerStepDirection]
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and a ; DOWN
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jp z, .south
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cp UP
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jp z, .north
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cp LEFT
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jp z, .west
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cp RIGHT
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jp z, .east
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ret
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.west
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ld a, [wWestConnectedMapGroup]
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ld [wMapGroup], a
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ld a, [wWestConnectedMapNumber]
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ld [wMapNumber], a
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ld a, [wWestConnectionStripXOffset]
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ld [wXCoord], a
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ld a, [wWestConnectionStripYOffset]
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ld hl, wYCoord
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add [hl]
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ld [hl], a
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ld c, a
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ld hl, wWestConnectionWindow
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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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srl c
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jr z, .skip_to_load
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ld a, [wWestConnectedMapWidth]
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add 6
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ld e, a
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ld d, 0
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.loop
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add hl, de
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dec c
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jr nz, .loop
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.skip_to_load
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ld a, l
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ld [wOverworldMapAnchor], a
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ld a, h
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ld [wOverworldMapAnchor + 1], a
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jp .done
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.east
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ld a, [wEastConnectedMapGroup]
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ld [wMapGroup], a
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ld a, [wEastConnectedMapNumber]
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ld [wMapNumber], a
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ld a, [wEastConnectionStripXOffset]
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ld [wXCoord], a
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ld a, [wEastConnectionStripYOffset]
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ld hl, wYCoord
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add [hl]
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ld [hl], a
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ld c, a
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ld hl, wEastConnectionWindow
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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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srl c
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jr z, .skip_to_load2
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ld a, [wEastConnectedMapWidth]
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add 6
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ld e, a
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ld d, 0
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.loop2
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add hl, de
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dec c
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jr nz, .loop2
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.skip_to_load2
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ld a, l
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ld [wOverworldMapAnchor], a
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ld a, h
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ld [wOverworldMapAnchor + 1], a
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jp .done
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.north
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ld a, [wNorthConnectedMapGroup]
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ld [wMapGroup], a
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ld a, [wNorthConnectedMapNumber]
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ld [wMapNumber], a
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ld a, [wNorthConnectionStripYOffset]
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ld [wYCoord], a
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ld a, [wNorthConnectionStripXOffset]
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ld hl, wXCoord
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add [hl]
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ld [hl], a
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ld c, a
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ld hl, wNorthConnectionWindow
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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 b, 0
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srl c
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add hl, bc
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ld a, l
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ld [wOverworldMapAnchor], a
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ld a, h
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ld [wOverworldMapAnchor + 1], a
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jp .done
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.south
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ld a, [wSouthConnectedMapGroup]
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ld [wMapGroup], a
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ld a, [wSouthConnectedMapNumber]
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ld [wMapNumber], a
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ld a, [wSouthConnectionStripYOffset]
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ld [wYCoord], a
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ld a, [wSouthConnectionStripXOffset]
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ld hl, wXCoord
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add [hl]
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ld [hl], a
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ld c, a
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ld hl, wSouthConnectionWindow
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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 b, 0
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srl c
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add hl, bc
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ld a, l
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ld [wOverworldMapAnchor], a
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ld a, h
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ld [wOverworldMapAnchor + 1], a
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.done
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scf
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ret
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LoadWarpData:
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call .SaveDigWarp
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call .SetSpawn
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ld a, [wNextWarp]
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ld [wWarpNumber], a
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ld a, [wNextMapGroup]
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ld [wMapGroup], a
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ld a, [wNextMapNumber]
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ld [wMapNumber], a
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ret
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.SaveDigWarp:
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call GetMapEnvironment
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call CheckOutdoorMap
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ret nz
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ld a, [wNextMapGroup]
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ld b, a
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ld a, [wNextMapNumber]
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ld c, a
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call GetAnyMapEnvironment
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call CheckIndoorMap
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ret nz
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; MOUNT_MOON_SQUARE and TIN_TOWER_ROOF are outdoor maps within indoor maps.
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; Dig and Escape Rope should not take you to them.
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ld a, [wPrevMapGroup]
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cp GROUP_MOUNT_MOON_SQUARE ; aka GROUP_TIN_TOWER_ROOF
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jr nz, .not_mt_moon_or_tin_tower
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ld a, [wPrevMapNumber]
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cp MAP_MOUNT_MOON_SQUARE
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ret z
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cp MAP_TIN_TOWER_ROOF
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ret z
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.not_mt_moon_or_tin_tower
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ld a, [wPrevWarp]
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ld [wDigWarpNumber], a
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ld a, [wPrevMapGroup]
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ld [wDigMapGroup], a
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ld a, [wPrevMapNumber]
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ld [wDigMapNumber], a
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ret
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.SetSpawn:
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call GetMapEnvironment
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call CheckOutdoorMap
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ret nz
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ld a, [wNextMapGroup]
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ld b, a
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ld a, [wNextMapNumber]
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ld c, a
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call GetAnyMapEnvironment
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call CheckIndoorMap
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ret nz
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ld a, [wNextMapGroup]
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ld b, a
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ld a, [wNextMapNumber]
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ld c, a
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; Respawn in Pokémon Centers.
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call GetAnyMapTileset
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ld a, c
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cp TILESET_POKECENTER
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jr z, .pokecenter_pokecom
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cp TILESET_POKECOM_CENTER
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jr z, .pokecenter_pokecom
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ret
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.pokecenter_pokecom
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ld a, [wPrevMapGroup]
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ld [wLastSpawnMapGroup], a
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ld a, [wPrevMapNumber]
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ld [wLastSpawnMapNumber], a
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ret
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LoadMapTimeOfDay:
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ld hl, wVramState
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res 6, [hl]
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ld a, $1
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ld [wSpriteUpdatesEnabled], a
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farcall ReplaceTimeOfDayPals
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farcall UpdateTimeOfDayPal
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call OverworldTextModeSwitch
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call .ClearBGMap
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call .PushAttrMap
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ret
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.ClearBGMap:
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ld a, HIGH(vBGMap0)
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ld [wBGMapAnchor + 1], a
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xor a ; LOW(vBGMap0)
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ld [wBGMapAnchor], a
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ldh [hSCY], a
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ldh [hSCX], a
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farcall ApplyBGMapAnchorToObjects
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ldh a, [rVBK]
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push af
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ld a, $1
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ldh [rVBK], a
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xor a
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ld bc, vBGMap1 - vBGMap0
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hlbgcoord 0, 0
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call ByteFill
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pop af
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ldh [rVBK], a
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ld a, "■"
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ld bc, vBGMap1 - vBGMap0
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hlbgcoord 0, 0
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call ByteFill
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ret
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.PushAttrMap:
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decoord 0, 0
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call .copy
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ldh a, [hCGB]
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and a
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ret z
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decoord 0, 0, wAttrMap
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ld a, $1
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ldh [rVBK], a
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.copy
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hlbgcoord 0, 0
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ld c, SCREEN_WIDTH
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ld b, SCREEN_HEIGHT
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.row
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push bc
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.column
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ld a, [de]
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inc de
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ld [hli], a
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dec c
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jr nz, .column
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ld bc, BG_MAP_WIDTH - 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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ld a, $0
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ldh [rVBK], a
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ret
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LoadGraphics:
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call LoadTileset
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call LoadTilesetGFX
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xor a
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ldh [hMapAnims], a
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xor a
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ldh [hTileAnimFrame], a
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farcall RefreshSprites
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call LoadFontsExtra
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farcall LoadOverworldFont
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ret
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LoadMapPalettes:
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ld b, SCGB_MAPPALS
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jp GetSGBLayout
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RefreshMapSprites:
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call ClearSprites
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farcall ReturnFromMapSetupScript
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call GetMovementPermissions
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farcall RefreshPlayerSprite
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farcall CheckReplaceKrisSprite
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ld hl, wPlayerSpriteSetupFlags
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bit PLAYERSPRITESETUP_SKIP_RELOAD_GFX_F, [hl]
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jr nz, .skip
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ld hl, wVramState
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set 0, [hl]
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call SafeUpdateSprites
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.skip
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ld a, [wPlayerSpriteSetupFlags]
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and %00011100
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ld [wPlayerSpriteSetupFlags], a
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ret
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CheckMovingOffEdgeOfMap::
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ld a, [wPlayerStepDirection]
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cp STANDING
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ret z
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and a ; DOWN
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jr z, .down
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cp UP
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jr z, .up
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cp LEFT
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jr z, .left
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cp RIGHT
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jr z, .right
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and a
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ret
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.down
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ld a, [wPlayerStandingMapY]
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sub 4
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ld b, a
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ld a, [wMapHeight]
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add a
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cp b
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jr z, .ok
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and a
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ret
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.up
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ld a, [wPlayerStandingMapY]
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sub 4
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cp -1
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jr z, .ok
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and a
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ret
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.left
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ld a, [wPlayerStandingMapX]
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sub 4
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cp -1
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jr z, .ok
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and a
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ret
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.right
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ld a, [wPlayerStandingMapX]
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sub 4
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ld b, a
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ld a, [wMapWidth]
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add a
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cp b
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jr z, .ok
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and a
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ret
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.ok
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scf
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ret
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GetCoordOfUpperLeftCorner::
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ld hl, wOverworldMapBlocks
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ld a, [wXCoord]
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bit 0, a
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jr nz, .increment_then_halve1
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srl a
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add $1
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jr .resume
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.increment_then_halve1
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add $1
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srl a
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.resume
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ld c, a
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ld b, $0
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add hl, bc
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ld a, [wMapWidth]
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add $6
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ld c, a
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ld b, $0
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ld a, [wYCoord]
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bit 0, a
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jr nz, .increment_then_halve2
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srl a
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add $1
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jr .resume2
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.increment_then_halve2
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add $1
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srl a
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.resume2
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call AddNTimes
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ld a, l
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ld [wOverworldMapAnchor], a
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ld a, h
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ld [wOverworldMapAnchor + 1], a
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ld a, [wYCoord]
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and $1
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ld [wMetatileStandingY], a
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ld a, [wXCoord]
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and $1
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ld [wMetatileStandingX], a
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ret
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