mirror of
https://github.com/pret/pokered.git
synced 2024-10-23 06:58:24 +00:00
641 lines
12 KiB
NASM
Executable file
641 lines
12 KiB
NASM
Executable file
_RunPaletteCommand: ; 71ddf (1c:5ddf)
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call GetPredefRegisters
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ld a, b
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cp $ff
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jr nz, .next
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ld a, [wDefaultPaletteCommand] ; use default command if command ID is $ff
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.next
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cp UPDATE_PARTY_MENU_BLK_PACKET
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jp z, UpdatePartyMenuBlkPacket
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ld l, a
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ld h, 0
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add hl, hl
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ld de, SetPalFunctions
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add hl, de
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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, SendSGBPackets
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push de
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jp [hl]
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SetPal_BattleBlack: ; 71dff (1c:5dff)
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ld hl, PalPacket_Black
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ld de, BlkPacket_Battle
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ret
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; uses PalPacket_Empty to build a packet based on mon IDs and health color
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SetPal_Battle: ; 71e06 (1c:5e06)
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ld hl, PalPacket_Empty
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ld de, wPalPacket
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ld bc, $10
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call CopyData
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ld a, [wPlayerBattleStatus3]
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ld hl, wBattleMonSpecies
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call DeterminePaletteID
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ld b, a
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ld a, [wEnemyBattleStatus3]
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ld hl, wEnemyMonSpecies2
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call DeterminePaletteID
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ld c, a
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ld hl, wPalPacket + 1
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ld a, [wPlayerHPBarColor]
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add PAL_GREENBAR
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ld [hli], a
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inc hl
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ld a, [wEnemyHPBarColor]
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add PAL_GREENBAR
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ld [hli], a
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inc hl
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ld a, b
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ld [hli], a
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inc hl
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ld a, c
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ld [hl], a
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ld hl, wPalPacket
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ld de, BlkPacket_Battle
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ld a, SET_PAL_BATTLE
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ld [wDefaultPaletteCommand], a
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ret
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SetPal_TownMap: ; 71e48 (1c:5e48)
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ld hl, PalPacket_TownMap
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ld de, BlkPacket_WholeScreen
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ret
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; uses PalPacket_Empty to build a packet based the mon ID
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SetPal_StatusScreen: ; 71e4f (1c:5e4f)
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ld hl, PalPacket_Empty
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ld de, wPalPacket
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ld bc, $10
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call CopyData
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ld a, [wcf91]
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cp VICTREEBEL + 1
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jr c, .pokemon
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ld a, $1 ; not pokemon
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.pokemon
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call DeterminePaletteIDOutOfBattle
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push af
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ld hl, wPalPacket + 1
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ld a, [wStatusScreenHPBarColor]
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add PAL_GREENBAR
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ld [hli], a
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inc hl
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pop af
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ld [hl], a
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ld hl, wPalPacket
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ld de, BlkPacket_StatusScreen
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ret
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SetPal_PartyMenu: ; 71e7b (1c:5e7b)
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ld hl, PalPacket_PartyMenu
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ld de, wPartyMenuBlkPacket
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ret
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SetPal_Pokedex: ; 71e82 (1c:5e82)
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ld hl, PalPacket_Pokedex
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ld de, wPalPacket
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ld bc, $10
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call CopyData
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ld a, [wcf91]
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call DeterminePaletteIDOutOfBattle
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ld hl, wPalPacket + 3
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ld [hl], a
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ld hl, wPalPacket
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ld de, BlkPacket_Pokedex
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ret
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SetPal_Slots: ; 71e9f (1c:5e9f)
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ld hl, PalPacket_Slots
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ld de, BlkPacket_Slots
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ret
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SetPal_TitleScreen: ; 71ea6 (1c:5ea6)
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ld hl, PalPacket_Titlescreen
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ld de, BlkPacket_Titlescreen
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ret
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; used mostly for menus and the Oak intro
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SetPal_Generic: ; 71ead (1c:5ead)
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ld hl, PalPacket_Generic
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ld de, BlkPacket_WholeScreen
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ret
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SetPal_NidorinoIntro: ; 71eb4 (1c:5eb4)
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ld hl, PalPacket_NidorinoIntro
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ld de, BlkPacket_NidorinoIntro
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ret
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SetPal_GameFreakIntro: ; 71ebb (1c:5ebb)
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ld hl, PalPacket_GameFreakIntro
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ld de, BlkPacket_GameFreakIntro
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ld a, SET_PAL_GENERIC
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ld [wDefaultPaletteCommand], a
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ret
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; uses PalPacket_Empty to build a packet based on the current map
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SetPal_Overworld: ; 71ec7 (1c:5ec7)
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ld hl, PalPacket_Empty
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ld de, wPalPacket
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ld bc, $10
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call CopyData
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ld a, [wCurMapTileset]
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cp CEMETERY
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jr z, .PokemonTowerOrAgatha
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cp CAVERN
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jr z, .caveOrBruno
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ld a, [wCurMap]
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cp REDS_HOUSE_1F
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jr c, .townOrRoute
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cp UNKNOWN_DUNGEON_2
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jr c, .normalDungeonOrBuilding
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cp NAME_RATERS_HOUSE
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jr c, .caveOrBruno
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cp LORELEIS_ROOM
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jr z, .Lorelei
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cp BRUNOS_ROOM
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jr z, .caveOrBruno
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.normalDungeonOrBuilding
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ld a, [wLastMap] ; town or route that current dungeon or building is located
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.townOrRoute
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cp SAFFRON_CITY + 1
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jr c, .town
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ld a, PAL_ROUTE - 1
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.town
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inc a ; a town's palette ID is its map ID + 1
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ld hl, wPalPacket + 1
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ld [hld], a
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ld de, BlkPacket_WholeScreen
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ld a, SET_PAL_OVERWORLD
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ld [wDefaultPaletteCommand], a
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ret
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.PokemonTowerOrAgatha
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ld a, PAL_GREYMON - 1
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jr .town
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.caveOrBruno
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ld a, PAL_CAVE - 1
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jr .town
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.Lorelei
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xor a
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jr .town
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; used when a Pokemon is the only thing on the screen
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; such as evolution, trading and the Hall of Fame
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SetPal_PokemonWholeScreen: ; 71f17 (1c:5f17)
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push bc
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ld hl, PalPacket_Empty
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ld de, wPalPacket
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ld bc, $10
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call CopyData
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pop bc
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ld a, c
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and a
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ld a, PAL_BLACK
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jr nz, .next
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ld a, [wWholeScreenPaletteMonSpecies]
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call DeterminePaletteIDOutOfBattle
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.next
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ld [wPalPacket + 1], a
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ld hl, wPalPacket
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ld de, BlkPacket_WholeScreen
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ret
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SetPal_TrainerCard: ; 71f3b (1c:5f3b)
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ld hl, BlkPacket_TrainerCard
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ld de, wTrainerCardBlkPacket
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ld bc, $40
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call CopyData
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ld de, BadgeBlkDataLengths
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ld hl, wTrainerCardBlkPacket + 2
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ld a, [wObtainedBadges]
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ld c, 8
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.badgeLoop
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srl a
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push af
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jr c, .haveBadge
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; The player doens't have the badge, so zero the badge's blk data.
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push bc
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ld a, [de]
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ld c, a
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xor a
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.zeroBadgeDataLoop
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ld [hli], a
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dec c
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jr nz, .zeroBadgeDataLoop
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pop bc
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jr .nextBadge
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.haveBadge
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; The player does have the badge, so skip past the badge's blk data.
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ld a, [de]
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.skipBadgeDataLoop
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inc hl
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dec a
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jr nz, .skipBadgeDataLoop
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.nextBadge
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pop af
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inc de
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dec c
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jr nz, .badgeLoop
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ld hl, PalPacket_TrainerCard
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ld de, wTrainerCardBlkPacket
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ret
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SetPalFunctions: ; 71f73 (1c:5f73)
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dw SetPal_BattleBlack
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dw SetPal_Battle
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dw SetPal_TownMap
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dw SetPal_StatusScreen
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dw SetPal_Pokedex
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dw SetPal_Slots
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dw SetPal_TitleScreen
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dw SetPal_NidorinoIntro
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dw SetPal_Generic
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dw SetPal_Overworld
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dw SetPal_PartyMenu
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dw SetPal_PokemonWholeScreen
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dw SetPal_GameFreakIntro
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dw SetPal_TrainerCard
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; The length of the blk data of each badge on the Trainer Card.
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; The Rainbow Badge has 3 entries because of its many colors.
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BadgeBlkDataLengths: ; 71f8f (1c:5f8f)
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db 6 ; Boulder Badge
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db 6 ; Cascade Badge
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db 6 ; Thunder Badge
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db 6 * 3 ; Rainbow Badge
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db 6 ; Soul Badge
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db 6 ; Marsh Badge
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db 6 ; Volcano Badge
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db 6 ; Earth Badge
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DeterminePaletteID: ; 71f97 (1c:5f97)
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bit Transformed, a ; a is battle status 3
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ld a, PAL_GREYMON ; if the mon has used Transform, use Ditto's palette
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ret nz
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ld a, [hl]
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DeterminePaletteIDOutOfBattle: ; 71f9d (1c:5f9d)
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ld [wd11e], a
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and a ; is the mon index 0?
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jr z, .skipDexNumConversion
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push bc
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predef IndexToPokedex
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pop bc
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ld a, [wd11e]
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.skipDexNumConversion
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ld e, a
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ld d, 0
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ld hl, MonsterPalettes ; not just for Pokemon, Trainers use it too
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add hl, de
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ld a, [hl]
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ret
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InitPartyMenuBlkPacket: ; 71fb6 (1c:5fb6)
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ld hl, BlkPacket_PartyMenu
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ld de, wPartyMenuBlkPacket
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ld bc, $30
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jp CopyData
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UpdatePartyMenuBlkPacket: ; 71fc2 (1c:5fc2)
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; Update the blk packet with the palette of the HP bar that is
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; specified in [wWhichPartyMenuHPBar].
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ld hl, wPartyMenuHPBarColors
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ld a, [wWhichPartyMenuHPBar]
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ld e, a
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ld d, 0
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add hl, de
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ld e, l
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ld d, h
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ld a, [de]
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and a
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ld e, (1 << 2) | 1 ; green
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jr z, .next
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dec a
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ld e, (2 << 2) | 2 ; yellow
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jr z, .next
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ld e, (3 << 2) | 3 ; red
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.next
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push de
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ld hl, wPartyMenuBlkPacket + 8 + 1
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ld bc, 6
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ld a, [wWhichPartyMenuHPBar]
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call AddNTimes
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pop de
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ld [hl], e
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ret
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SendSGBPacket: ; 71feb (1c:5feb)
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;check number of packets
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ld a,[hl]
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and a,$07
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ret z
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; store number of packets in B
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ld b,a
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.loop2
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; save B for later use
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push bc
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; disable ReadJoypad to prevent it from interfering with sending the packet
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ld a, 1
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ld [hDisableJoypadPolling], a
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; send RESET signal (P14=LOW, P15=LOW)
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xor a
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ld [rJOYP],a
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; set P14=HIGH, P15=HIGH
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ld a,$30
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ld [rJOYP],a
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;load length of packets (16 bytes)
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ld b,$10
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.nextByte
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;set bit counter (8 bits per byte)
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ld e,$08
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; get next byte in the packet
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ld a,[hli]
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ld d,a
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.nextBit0
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bit 0,d
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; if 0th bit is not zero set P14=HIGH,P15=LOW (send bit 1)
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ld a,$10
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jr nz,.next0
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; else (if 0th bit is zero) set P14=LOW,P15=HIGH (send bit 0)
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ld a,$20
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.next0
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ld [rJOYP],a
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; must set P14=HIGH,P15=HIGH between each "pulse"
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ld a,$30
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ld [rJOYP],a
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; rotation will put next bit in 0th position (so we can always use command
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; "bit 0,d" to fetch the bit that has to be sent)
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rr d
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; decrease bit counter so we know when we have sent all 8 bits of current byte
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dec e
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jr nz,.nextBit0
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dec b
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jr nz,.nextByte
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; send bit 1 as a "stop bit" (end of parameter data)
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ld a,$20
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ld [rJOYP],a
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; set P14=HIGH,P15=HIGH
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ld a,$30
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ld [rJOYP],a
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xor a
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ld [hDisableJoypadPolling],a
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; wait for about 70000 cycles
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call Wait7000
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; restore (previously pushed) number of packets
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pop bc
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dec b
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; return if there are no more packets
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ret z
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; else send 16 more bytes
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jr .loop2
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LoadSGB: ; 7202b (1c:602b)
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xor a
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ld [wOnSGB], a
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call CheckSGB
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ret nc
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ld a, 1
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ld [wOnSGB], a
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ld a, [wGBC]
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and a
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jr z, .notGBC
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ret
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.notGBC
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di
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call PrepareSuperNintendoVRAMTransfer
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ei
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ld a, 1
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ld [wCopyingSGBTileData], a
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ld de, ChrTrnPacket
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ld hl, SGBBorderGraphics
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call CopyGfxToSuperNintendoVRAM
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xor a
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ld [wCopyingSGBTileData], a
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ld de, PctTrnPacket
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ld hl, BorderPalettes
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call CopyGfxToSuperNintendoVRAM
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xor a
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ld [wCopyingSGBTileData], a
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ld de, PalTrnPacket
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ld hl, SuperPalettes
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call CopyGfxToSuperNintendoVRAM
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call ClearVram
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ld hl, MaskEnCancelPacket
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jp SendSGBPacket
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PrepareSuperNintendoVRAMTransfer: ; 72075 (1c:6075)
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ld hl, .packetPointers
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ld c, 9
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.loop
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push bc
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ld a, [hli]
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push hl
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ld h, [hl]
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ld l, a
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call SendSGBPacket
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pop hl
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inc hl
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pop bc
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dec c
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jr nz, .loop
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ret
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.packetPointers
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; Only the first packet is needed.
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dw MaskEnFreezePacket
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dw DataSnd_72548
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dw DataSnd_72558
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dw DataSnd_72568
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dw DataSnd_72578
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dw DataSnd_72588
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dw DataSnd_72598
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dw DataSnd_725a8
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dw DataSnd_725b8
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CheckSGB: ; 7209b (1c:609b)
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; Returns whether the game is running on an SGB in carry.
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ld hl, MltReq2Packet
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di
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call SendSGBPacket
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ld a, 1
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ld [hDisableJoypadPolling], a
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ei
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call Wait7000
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ld a, [rJOYP]
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and $3
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cp $3
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jr nz, .isSGB
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ld a, $20
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ld [rJOYP], a
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ld a, [rJOYP]
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ld a, [rJOYP]
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call Wait7000
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call Wait7000
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ld a, $30
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ld [rJOYP], a
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call Wait7000
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call Wait7000
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ld a, $10
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ld [rJOYP], a
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ld a, [rJOYP]
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ld a, [rJOYP]
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ld a, [rJOYP]
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ld a, [rJOYP]
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ld a, [rJOYP]
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ld a, [rJOYP]
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call Wait7000
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call Wait7000
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ld a, $30
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ld [rJOYP], a
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ld a, [rJOYP]
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ld a, [rJOYP]
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ld a, [rJOYP]
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call Wait7000
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call Wait7000
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ld a, [rJOYP]
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and $3
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cp $3
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jr nz, .isSGB
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call SendMltReq1Packet
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and a
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ret
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.isSGB
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call SendMltReq1Packet
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scf
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ret
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SendMltReq1Packet: ; 72102 (1c:6102)
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ld hl, MltReq1Packet
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call SendSGBPacket
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jp Wait7000
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CopyGfxToSuperNintendoVRAM: ; 7210b (1c:610b)
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di
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push de
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call DisableLCD
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ld a, $e4
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ld [rBGP], a
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ld de, vChars1
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ld a, [wCopyingSGBTileData]
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and a
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jr z, .notCopyingTileData
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call CopySGBBorderTiles
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jr .next
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.notCopyingTileData
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ld bc, $1000
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call CopyData
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.next
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ld hl, vBGMap0
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ld de, $c
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ld a, $80
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ld c, $d
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.loop
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ld b, $14
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.innerLoop
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ld [hli], a
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inc a
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dec b
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jr nz, .innerLoop
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add hl, de
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dec c
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jr nz, .loop
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ld a, $e3
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ld [rLCDC], a
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pop hl
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call SendSGBPacket
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xor a
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ld [rBGP], a
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ei
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ret
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Wait7000: ; 7214a (1c:614a)
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; Each loop takes 9 cycles so this routine actually waits 63000 cycles.
|
|
ld de, 7000
|
|
.loop
|
|
nop
|
|
nop
|
|
nop
|
|
dec de
|
|
ld a, d
|
|
or e
|
|
jr nz, .loop
|
|
ret
|
|
|
|
SendSGBPackets: ; 72156 (1c:6156)
|
|
ld a, [wGBC]
|
|
and a
|
|
jr z, .notGBC
|
|
push de
|
|
call InitGBCPalettes
|
|
pop hl
|
|
call EmptyFunc5
|
|
ret
|
|
.notGBC
|
|
push de
|
|
call SendSGBPacket
|
|
pop hl
|
|
jp SendSGBPacket
|
|
|
|
InitGBCPalettes: ; 7216d (1c:616d)
|
|
ld a, $80 ; index 0 with auto-increment
|
|
ld [rBGPI], a
|
|
inc hl
|
|
ld c, $20
|
|
.loop
|
|
ld a, [hli]
|
|
inc hl
|
|
add a
|
|
add a
|
|
add a
|
|
ld de, SuperPalettes
|
|
add e
|
|
jr nc, .noCarry
|
|
inc d
|
|
.noCarry
|
|
ld a, [de]
|
|
ld [rBGPD], a
|
|
dec c
|
|
jr nz, .loop
|
|
ret
|
|
|
|
EmptyFunc5: ; 72187 (1c:6187)
|
|
ret
|
|
|
|
CopySGBBorderTiles: ; 72188 (1c:6188)
|
|
; SGB tile data is stored in a 4BPP planar format.
|
|
; Each tile is 32 bytes. The first 16 bytes contain bit planes 1 and 2, while
|
|
; the second 16 bytes contain bit planes 3 and 4.
|
|
; This function converts 2BPP planar data into this format by mapping
|
|
; 2BPP colors 0-3 to 4BPP colors 0-3. 4BPP colors 4-15 are not used.
|
|
ld b, 128
|
|
|
|
.tileLoop
|
|
|
|
; Copy bit planes 1 and 2 of the tile data.
|
|
ld c, 16
|
|
.copyLoop
|
|
ld a, [hli]
|
|
ld [de], a
|
|
inc de
|
|
dec c
|
|
jr nz, .copyLoop
|
|
|
|
; Zero bit planes 3 and 4.
|
|
ld c, 16
|
|
xor a
|
|
.zeroLoop
|
|
ld [de], a
|
|
inc de
|
|
dec c
|
|
jr nz, .zeroLoop
|
|
|
|
dec b
|
|
jr nz, .tileLoop
|
|
ret
|
|
|
|
INCLUDE "data/sgb_packets.asm"
|
|
|
|
INCLUDE "data/mon_palettes.asm"
|
|
|
|
INCLUDE "data/super_palettes.asm"
|
|
|
|
INCLUDE "data/sgb_border.asm"
|