diff --git a/data/moves/hm_moves.asm b/data/moves/hm_moves.asm index d72eddfe9..4f14b8df6 100644 --- a/data/moves/hm_moves.asm +++ b/data/moves/hm_moves.asm @@ -1,7 +1,10 @@ -HMMoveArray: +; This file is INCLUDEd twice: +; - for HMMoves in home/names.asm +; - for HMMoveArray in engine/pokemon/bills_pc.asm + db CUT db FLY db SURF db STRENGTH db FLASH - db -1 + db -1 ; end diff --git a/data/predef_pointers.asm b/data/predef_pointers.asm index 5ce797e0b..9d206a488 100644 --- a/data/predef_pointers.asm +++ b/data/predef_pointers.asm @@ -1,3 +1,9 @@ +add_predef: MACRO +\1Predef:: + db BANK(\1) + dw \1 +ENDM + PredefPointers:: ; these are pointers to ASM routines. ; they appear to be used in overworld map scripts. diff --git a/data/text_predef_pointers.asm b/data/text_predef_pointers.asm new file mode 100644 index 000000000..bbe9c8d80 --- /dev/null +++ b/data/text_predef_pointers.asm @@ -0,0 +1,71 @@ +add_tx_pre: MACRO +\1_id:: dw \1 +ENDM + +TextPredefs:: + add_tx_pre CardKeySuccessText ; 01 + add_tx_pre CardKeyFailText ; 02 + add_tx_pre RedBedroomPCText ; 03 + add_tx_pre RedBedroomSNESText ; 04 + add_tx_pre PushStartText ; 05 + add_tx_pre SaveOptionText ; 06 + add_tx_pre StrengthsAndWeaknessesText ; 07 + add_tx_pre OakLabEmailText ; 08 + add_tx_pre AerodactylFossilText ; 09 + add_tx_pre Route15UpstairsBinocularsText ; 0A + add_tx_pre KabutopsFossilText ; 0B + add_tx_pre GymStatueText1 ; 0C + add_tx_pre GymStatueText2 ; 0D + add_tx_pre BookcaseText ; 0E + add_tx_pre ViridianCityPokecenterBenchGuyText ; 0F + add_tx_pre PewterCityPokecenterBenchGuyText ; 10 + add_tx_pre CeruleanCityPokecenterBenchGuyText ; 11 + add_tx_pre LavenderCityPokecenterBenchGuyText ; 12 + add_tx_pre VermilionCityPokecenterBenchGuyText ; 13 + add_tx_pre CeladonCityPokecenterBenchGuyText ; 14 + add_tx_pre CeladonCityHotelText ; 15 + add_tx_pre FuchsiaCityPokecenterBenchGuyText ; 16 + add_tx_pre CinnabarIslandPokecenterBenchGuyText ; 17 + add_tx_pre SaffronCityPokecenterBenchGuyText ; 18 + add_tx_pre MtMoonPokecenterBenchGuyText ; 19 + add_tx_pre RockTunnelPokecenterBenchGuyText ; 1A + add_tx_pre UnusedBenchGuyText1 ; 1B XXX unused + add_tx_pre UnusedBenchGuyText2 ; 1C XXX unused + add_tx_pre UnusedBenchGuyText3 ; 1D XXX unused + add_tx_pre UnusedPredefText ; 1E XXX unused + add_tx_pre PokemonCenterPCText ; 1F + add_tx_pre ViridianSchoolNotebook ; 20 + add_tx_pre ViridianSchoolBlackboard ; 21 + add_tx_pre JustAMomentText ; 22 + add_tx_pre OpenBillsPCText ; 23 + add_tx_pre FoundHiddenItemText ; 24 + add_tx_pre HiddenItemBagFullText ; 25 XXX unused + add_tx_pre VermilionGymTrashText ; 26 + add_tx_pre IndigoPlateauHQText ; 27 + add_tx_pre GameCornerOutOfOrderText ; 28 + add_tx_pre GameCornerOutToLunchText ; 29 + add_tx_pre GameCornerSomeonesKeysText ; 2A + add_tx_pre FoundHiddenCoinsText ; 2B + add_tx_pre DroppedHiddenCoinsText ; 2C + add_tx_pre BillsHouseMonitorText ; 2D + add_tx_pre BillsHouseInitiatedText ; 2E + add_tx_pre BillsHousePokemonList ; 2F + add_tx_pre MagazinesText ; 30 + add_tx_pre CinnabarGymQuiz ; 31 + add_tx_pre GameCornerNoCoinsText ; 32 + add_tx_pre GameCornerCoinCaseText ; 33 + add_tx_pre LinkCableHelp ; 34 + add_tx_pre TMNotebook ; 35 + add_tx_pre FightingDojoText ; 36 + add_tx_pre EnemiesOnEverySideText ; 37 + add_tx_pre WhatGoesAroundComesAroundText ; 38 + add_tx_pre NewBicycleText ; 39 + add_tx_pre IndigoPlateauStatues ; 3A + add_tx_pre VermilionGymTrashSuccessText1 ; 3B + add_tx_pre VermilionGymTrashSuccessText2 ; 3C XXX unused + add_tx_pre VermilionGymTrashSuccessText3 ; 3D + add_tx_pre VermilionGymTrashFailText ; 3E + add_tx_pre TownMapText ; 3F + add_tx_pre BookOrSculptureText ; 40 + add_tx_pre ElevatorText ; 41 + add_tx_pre PokemonStuffText ; 42 diff --git a/engine/pokemon/bills_pc.asm b/engine/pokemon/bills_pc.asm index 1a97caf07..d9a329f5a 100644 --- a/engine/pokemon/bills_pc.asm +++ b/engine/pokemon/bills_pc.asm @@ -376,6 +376,7 @@ KnowsHMMove:: and a ret +HMMoveArray: INCLUDE "data/moves/hm_moves.asm" DisplayDepositWithdrawMenu: diff --git a/home.asm b/home.asm index 2c58d0e6e..7f743312c 100644 --- a/home.asm +++ b/home.asm @@ -72,1123 +72,113 @@ LoadDestinationWarpPosition:: ld [MBC1RomBank], a ret +INCLUDE "home/pokemon.asm" +INCLUDE "home/print_bcd.asm" +INCLUDE "home/uncompress.asm" +INCLUDE "data/tilesets/collision_tile_ids.asm" +INCLUDE "home/copy2.asm" +INCLUDE "home/text.asm" +INCLUDE "home/vcopy.asm" +INCLUDE "home/init.asm" +INCLUDE "home/vblank.asm" +INCLUDE "home/fade.asm" +INCLUDE "home/serial.asm" +INCLUDE "home/timer.asm" +INCLUDE "home/audio.asm" -DrawHPBar:: -; Draw an HP bar d tiles long, and fill it to e pixels. -; If c is nonzero, show at least a sliver regardless. -; The right end of the bar changes with [wHPBarType]. - - push hl - push de - push bc - - ; Left - ld a, $71 ; "HP:" - ld [hli], a - ld a, $62 - ld [hli], a - - push hl - - ; Middle - ld a, $63 ; empty -.draw - ld [hli], a - dec d - jr nz, .draw - - ; Right - ld a, [wHPBarType] +UpdateSprites:: + ld a, [wUpdateSpritesEnabled] dec a - ld a, $6d ; status screen and battle - jr z, .ok - dec a ; pokemon menu -.ok - ld [hl], a - - pop hl - - ld a, e - and a - jr nz, .fill - - ; If c is nonzero, draw a pixel anyway. - ld a, c - and a - jr z, .done - ld e, 1 - -.fill - ld a, e - sub 8 - jr c, .partial - ld e, a - ld a, $6b ; full - ld [hli], a - ld a, e - and a - jr z, .done - jr .fill - -.partial - ; Fill remaining pixels at the end if necessary. - ld a, $63 ; empty - add e - ld [hl], a -.done - pop bc - pop de - pop hl - ret - - -; loads pokemon data from one of multiple sources to wLoadedMon -; loads base stats to wMonHeader -; INPUT: -; [wWhichPokemon] = index of pokemon within party/box -; [wMonDataLocation] = source -; 00: player's party -; 01: enemy's party -; 02: current box -; 03: daycare -; OUTPUT: -; [wcf91] = pokemon ID -; wLoadedMon = base address of pokemon data -; wMonHeader = base address of base stats -LoadMonData:: - jpab LoadMonData_ - -OverwritewMoves:: -; Write c to [wMoves + b]. Unused. - ld hl, wMoves - ld e, b - ld d, 0 - add hl, de - ld a, c - ld [hl], a - ret - -LoadFlippedFrontSpriteByMonIndex:: - ld a, 1 - ld [wSpriteFlipped], a - -LoadFrontSpriteByMonIndex:: - push hl - ld a, [wd11e] - push af - ld a, [wcf91] - ld [wd11e], a - predef IndexToPokedex - ld hl, wd11e - ld a, [hl] - pop bc - ld [hl], b - and a - pop hl - jr z, .invalidDexNumber ; dex #0 invalid - cp NUM_POKEMON + 1 - jr c, .validDexNumber ; dex >#151 invalid -.invalidDexNumber - ld a, RHYDON ; $1 - ld [wcf91], a - ret -.validDexNumber - push hl - ld de, vFrontPic - call LoadMonFrontSprite - pop hl + ret nz ld a, [hLoadedROMBank] push af - ld a, BANK(CopyUncompressedPicToHL) + ld a, BANK(_UpdateSprites) ld [hLoadedROMBank], a ld [MBC1RomBank], a - xor a - ld [hStartTileID], a - call CopyUncompressedPicToHL - xor a - ld [wSpriteFlipped], a + call _UpdateSprites pop af ld [hLoadedROMBank], a ld [MBC1RomBank], a ret +INCLUDE "data/items/marts.asm" +INCLUDE "home/overworld_text.asm" +INCLUDE "home/pic.asm" -PlayCry:: -; Play monster a's cry. - call GetCryData - call PlaySound - jp WaitForSoundToFinish - -GetCryData:: -; Load cry data for monster a. - dec a - ld c, a - ld b, 0 - ld hl, CryData - add hl, bc - add hl, bc - add hl, bc - - ld a, BANK(CryData) - call BankswitchHome - ld a, [hli] - ld b, a ; cry id - ld a, [hli] - ld [wFrequencyModifier], a - ld a, [hl] - ld [wTempoModifier], a - call BankswitchBack - - ; Cry headers have 3 channels, - ; and start from index CRY_SFX_START, - ; so add 3 times the cry id. - ld a, b - ld c, CRY_SFX_START - rlca ; * 2 - add b - add c +ResetPlayerSpriteData:: + ld hl, wSpriteStateData1 + call ResetPlayerSpriteData_ClearSpriteData + ld hl, wSpriteStateData2 + call ResetPlayerSpriteData_ClearSpriteData + ld a, $1 + ld [wSpriteStateData1], a + ld [wSpriteStateData2 + $0e], a + ld hl, wSpriteStateData1 + 4 + ld [hl], $3c ; set Y screen pos + inc hl + inc hl + ld [hl], $40 ; set X screen pos ret -DisplayPartyMenu:: - ld a, [hTilesetType] - push af - xor a - ld [hTilesetType], a - call GBPalWhiteOutWithDelay3 - call ClearSprites - call PartyMenuInit - call DrawPartyMenu - jp HandlePartyMenuInput - -GoBackToPartyMenu:: - ld a, [hTilesetType] - push af +; overwrites sprite data with zeroes +ResetPlayerSpriteData_ClearSpriteData:: + ld bc, $10 xor a - ld [hTilesetType], a - call PartyMenuInit - call RedrawPartyMenu - jp HandlePartyMenuInput + jp FillMemory -PartyMenuInit:: - ld a, 1 ; hardcoded bank - call BankswitchHome - call LoadHpBarAndStatusTilePatterns - ld hl, wd730 - set 6, [hl] ; turn off letter printing delay - xor a ; PLAYER_PARTY_DATA - ld [wMonDataLocation], a - ld [wMenuWatchMovingOutOfBounds], a - ld hl, wTopMenuItemY - inc a - ld [hli], a ; top menu item Y - xor a - ld [hli], a ; top menu item X - ld a, [wPartyAndBillsPCSavedMenuItem] - push af - ld [hli], a ; current menu item ID - inc hl - ld a, [wPartyCount] - and a ; are there more than 0 pokemon in the party? - jr z, .storeMaxMenuItemID - dec a -; if party is not empty, the max menu item ID is ([wPartyCount] - 1) -; otherwise, it is 0 -.storeMaxMenuItemID - ld [hli], a ; max menu item ID - ld a, [wForcePlayerToChooseMon] +FadeOutAudio:: + ld a, [wAudioFadeOutControl] + and a ; currently fading out audio? + jr nz, .fadingOut + ld a, [wd72c] + bit 1, a + ret nz + ld a, $77 + ld [rNR50], a + ret +.fadingOut + ld a, [wAudioFadeOutCounter] and a - ld a, A_BUTTON | B_BUTTON - jr z, .next - xor a - ld [wForcePlayerToChooseMon], a - inc a ; a = A_BUTTON -.next - ld [hli], a ; menu watched keys - pop af - ld [hl], a ; old menu item ID + jr z, .counterReachedZero + dec a + ld [wAudioFadeOutCounter], a ret - -HandlePartyMenuInput:: - ld a, 1 - ld [wMenuWrappingEnabled], a - ld a, $40 - ld [wPartyMenuAnimMonEnabled], a - call HandleMenuInput_ - call PlaceUnfilledArrowMenuCursor +.counterReachedZero + ld a, [wAudioFadeOutCounterReloadValue] + ld [wAudioFadeOutCounter], a + ld a, [rNR50] + and a ; has the volume reached 0? + jr z, .fadeOutComplete ld b, a - xor a - ld [wPartyMenuAnimMonEnabled], a - ld a, [wCurrentMenuItem] - ld [wPartyAndBillsPCSavedMenuItem], a - ld hl, wd730 - res 6, [hl] ; turn on letter printing delay - ld a, [wMenuItemToSwap] - and a - jp nz, .swappingPokemon - pop af - ld [hTilesetType], a - bit 1, b - jr nz, .noPokemonChosen - ld a, [wPartyCount] - and a - jr z, .noPokemonChosen - ld a, [wCurrentMenuItem] - ld [wWhichPokemon], a - ld hl, wPartySpecies - ld b, 0 + and $f + dec a ld c, a - add hl, bc - ld a, [hl] - ld [wcf91], a - ld [wBattleMonSpecies2], a - call BankswitchBack - and a - ret -.noPokemonChosen - call BankswitchBack - scf + ld a, b + and $f0 + swap a + dec a + swap a + or c + ld [rNR50], a ret -.swappingPokemon - bit 1, b ; was the B button pressed? - jr z, .handleSwap ; if not, handle swapping the pokemon -.cancelSwap ; if the B button was pressed - callba ErasePartyMenuCursors - xor a - ld [wMenuItemToSwap], a - ld [wPartyMenuTypeOrMessageID], a - call RedrawPartyMenu - jr HandlePartyMenuInput -.handleSwap - ld a, [wCurrentMenuItem] - ld [wWhichPokemon], a - callba SwitchPartyMon - jr HandlePartyMenuInput - -DrawPartyMenu:: - ld hl, DrawPartyMenu_ - jr DrawPartyMenuCommon - -RedrawPartyMenu:: - ld hl, RedrawPartyMenu_ - -DrawPartyMenuCommon:: - ld b, BANK(RedrawPartyMenu_) - jp Bankswitch - -; prints a pokemon's status condition -; INPUT: -; de = address of status condition -; hl = destination address -PrintStatusCondition:: - push de - dec de - dec de ; de = address of current HP - ld a, [de] +.fadeOutComplete + ld a, [wAudioFadeOutControl] ld b, a - dec de - ld a, [de] - or b ; is the pokemon's HP zero? - pop de - jr nz, PrintStatusConditionNotFainted -; if the pokemon's HP is 0, print "FNT" - ld a, "F" - ld [hli], a - ld a, "N" - ld [hli], a - ld [hl], "T" - and a - ret - -PrintStatusConditionNotFainted:: - ld a, [hLoadedROMBank] - push af - ld a, BANK(PrintStatusAilment) - ld [hLoadedROMBank], a - ld [MBC1RomBank], a - call PrintStatusAilment ; print status condition - pop bc + xor a + ld [wAudioFadeOutControl], a + ld a, SFX_STOP_ALL_MUSIC + ld [wNewSoundID], a + call PlaySound + ld a, [wAudioSavedROMBank] + ld [wAudioROMBank], a ld a, b - ld [hLoadedROMBank], a - ld [MBC1RomBank], a - ret - -; function to print pokemon level, leaving off the ":L" if the level is at least 100 -; INPUT: -; hl = destination address -; [wLoadedMonLevel] = level -PrintLevel:: - ld a, $6e ; ":L" tile ID - ld [hli], a - ld c, 2 ; number of digits - ld a, [wLoadedMonLevel] ; level - cp 100 - jr c, PrintLevelCommon -; if level at least 100, write over the ":L" tile - dec hl - inc c ; increment number of digits to 3 - jr PrintLevelCommon - -; prints the level without leaving off ":L" regardless of level -; INPUT: -; hl = destination address -; [wLoadedMonLevel] = level -PrintLevelFull:: - ld a, $6e ; ":L" tile ID - ld [hli], a - ld c, 3 ; number of digits - ld a, [wLoadedMonLevel] ; level - -PrintLevelCommon:: - ld [wd11e], a - ld de, wd11e - ld b, LEFT_ALIGN | 1 ; 1 byte - jp PrintNumber + ld [wNewSoundID], a + jp PlaySound -GetwMoves:: -; Unused. Returns the move at index a from wMoves in a - ld hl, wMoves - ld c, a - ld b, 0 - add hl, bc - ld a, [hl] - ret +INCLUDE "home/predef_text.asm" +INCLUDE "home/start_menu.asm" -; copies the base stat data of a pokemon to wMonHeader -; INPUT: -; [wd0b5] = pokemon ID -GetMonHeader:: - ld a, [hLoadedROMBank] - push af - ld a, BANK(BaseStats) - ld [hLoadedROMBank], a - ld [MBC1RomBank], a - push bc - push de - push hl - ld a, [wd11e] - push af - ld a, [wd0b5] - ld [wd11e], a - ld de, FossilKabutopsPic - ld b, $66 ; size of Kabutops fossil and Ghost sprites - cp FOSSIL_KABUTOPS ; Kabutops fossil - jr z, .specialID - ld de, GhostPic - cp MON_GHOST ; Ghost - jr z, .specialID - ld de, FossilAerodactylPic - ld b, $77 ; size of Aerodactyl fossil sprite - cp FOSSIL_AERODACTYL ; Aerodactyl fossil - jr z, .specialID - cp MEW - jr z, .mew - predef IndexToPokedex ; convert pokemon ID in [wd11e] to pokedex number - ld a, [wd11e] - dec a - ld bc, MonBaseStatsEnd - MonBaseStats - ld hl, BaseStats - call AddNTimes - ld de, wMonHeader - ld bc, MonBaseStatsEnd - MonBaseStats - call CopyData - jr .done -.specialID - ld hl, wMonHSpriteDim - ld [hl], b ; write sprite dimensions - inc hl - ld [hl], e ; write front sprite pointer - inc hl - ld [hl], d - jr .done -.mew - ld hl, MewBaseStats - ld de, wMonHeader - ld bc, MonBaseStatsEnd - MonBaseStats - ld a, BANK(MewBaseStats) - call FarCopyData -.done - ld a, [wd0b5] - ld [wMonHIndex], a - pop af - ld [wd11e], a - pop hl - pop de - pop bc - pop af - ld [hLoadedROMBank], a - ld [MBC1RomBank], a - ret - -; copy party pokemon's name to wcd6d -GetPartyMonName2:: - ld a, [wWhichPokemon] ; index within party - ld hl, wPartyMonNicks - -; this is called more often -GetPartyMonName:: - push hl - push bc - call SkipFixedLengthTextEntries ; add NAME_LENGTH to hl, a times - ld de, wcd6d - push de - ld bc, NAME_LENGTH - call CopyData - pop de - pop bc - pop hl - ret - -; function to print a BCD (Binary-coded decimal) number -; de = address of BCD number -; hl = destination address -; c = flags and length -; bit 7: if set, do not print leading zeroes -; if unset, print leading zeroes -; bit 6: if set, left-align the string (do not pad empty digits with spaces) -; if unset, right-align the string -; bit 5: if set, print currency symbol at the beginning of the string -; if unset, do not print the currency symbol -; bits 0-4: length of BCD number in bytes -; Note that bits 5 and 7 are modified during execution. The above reflects -; their meaning at the beginning of the functions's execution. -PrintBCDNumber:: - ld b, c ; save flags in b - res 7, c - res 6, c - res 5, c ; c now holds the length - bit 5, b - jr z, .loop - bit 7, b - jr nz, .loop - ld [hl], "¥" - inc hl -.loop - ld a, [de] - swap a - call PrintBCDDigit ; print upper digit - ld a, [de] - call PrintBCDDigit ; print lower digit - inc de - dec c - jr nz, .loop - bit 7, b ; were any non-zero digits printed? - jr z, .done ; if so, we are done -.numberEqualsZero ; if every digit of the BCD number is zero - bit 6, b ; left or right alignment? - jr nz, .skipRightAlignmentAdjustment - dec hl ; if the string is right-aligned, it needs to be moved back one space -.skipRightAlignmentAdjustment - bit 5, b - jr z, .skipCurrencySymbol - ld [hl], "¥" - inc hl -.skipCurrencySymbol - ld [hl], "0" - call PrintLetterDelay - inc hl -.done - ret - -PrintBCDDigit:: - and $f - and a - jr z, .zeroDigit -.nonzeroDigit - bit 7, b ; have any non-space characters been printed? - jr z, .outputDigit -; if bit 7 is set, then no numbers have been printed yet - bit 5, b ; print the currency symbol? - jr z, .skipCurrencySymbol - ld [hl], "¥" - inc hl - res 5, b -.skipCurrencySymbol - res 7, b ; unset 7 to indicate that a nonzero digit has been reached -.outputDigit - add "0" - ld [hli], a - jp PrintLetterDelay -.zeroDigit - bit 7, b ; either printing leading zeroes or already reached a nonzero digit? - jr z, .outputDigit ; if so, print a zero digit - bit 6, b ; left or right alignment? - ret nz - inc hl ; if right-aligned, "print" a space by advancing the pointer - ret - -; uncompresses the front or back sprite of the specified mon -; assumes the corresponding mon header is already loaded -; hl contains offset to sprite pointer ($b for front or $d for back) -UncompressMonSprite:: - ld bc, wMonHeader - add hl, bc - ld a, [hli] - ld [wSpriteInputPtr], a ; fetch sprite input pointer - ld a, [hl] - ld [wSpriteInputPtr+1], a -; define (by index number) the bank that a pokemon's image is in -; index = Mew, bank 1 -; index = Kabutops fossil, bank $B -; index < $1F, bank 9 -; $1F ≤ index < $4A, bank $A -; $4A ≤ index < $74, bank $B -; $74 ≤ index < $99, bank $C -; $99 ≤ index, bank $D - ld a, [wcf91] ; XXX name for this ram location - ld b, a - cp MEW - ld a, BANK(MewPicFront) - jr z, .GotBank - ld a, b - cp FOSSIL_KABUTOPS - ld a, BANK(FossilKabutopsPic) - jr z, .GotBank - ld a, b - cp TANGELA + 1 - ld a, BANK(TangelaPicFront) - jr c, .GotBank - ld a, b - cp MOLTRES + 1 - ld a, BANK(MoltresPicFront) - jr c, .GotBank - ld a, b - cp BEEDRILL + 2 - ld a, BANK(BeedrillPicFront) - jr c, .GotBank - ld a, b - cp STARMIE + 1 - ld a, BANK(StarmiePicFront) - jr c, .GotBank - ld a, BANK(VictreebelPicFront) -.GotBank - jp UncompressSpriteData - -; de: destination location -LoadMonFrontSprite:: - push de - ld hl, wMonHFrontSprite - wMonHeader - call UncompressMonSprite - ld hl, wMonHSpriteDim - ld a, [hli] - ld c, a - pop de - ; fall through - -; postprocesses uncompressed sprite chunks to a 2bpp sprite and loads it into video ram -; calculates alignment parameters to place both sprite chunks in the center of the 7*7 tile sprite buffers -; de: destination location -; a,c: sprite dimensions (in tiles of 8x8 each) -LoadUncompressedSpriteData:: - push de - and $f - ld [hSpriteWidth], a ; each byte contains 8 pixels (in 1bpp), so tiles=bytes for width - ld b, a - ld a, $7 - sub b ; 7-w - inc a ; 8-w - srl a ; (8-w)/2 ; horizontal center (in tiles, rounded up) - ld b, a - add a - add a - add a - sub b ; 7*((8-w)/2) ; skip for horizontal center (in tiles) - ld [hSpriteOffset], a - ld a, c - swap a - and $f - ld b, a - add a - add a - add a ; 8*tiles is height in bytes - ld [hSpriteHeight], a - ld a, $7 - sub b ; 7-h ; skip for vertical center (in tiles, relative to current column) - ld b, a - ld a, [hSpriteOffset] - add b ; 7*((8-w)/2) + 7-h ; combined overall offset (in tiles) - add a - add a - add a ; 8*(7*((8-w)/2) + 7-h) ; combined overall offset (in bytes) - ld [hSpriteOffset], a - xor a - ld [$4000], a - ld hl, sSpriteBuffer0 - call ZeroSpriteBuffer ; zero buffer 0 - ld de, sSpriteBuffer1 - ld hl, sSpriteBuffer0 - call AlignSpriteDataCentered ; copy and align buffer 1 to 0 (containing the MSB of the 2bpp sprite) - ld hl, sSpriteBuffer1 - call ZeroSpriteBuffer ; zero buffer 1 - ld de, sSpriteBuffer2 - ld hl, sSpriteBuffer1 - call AlignSpriteDataCentered ; copy and align buffer 2 to 1 (containing the LSB of the 2bpp sprite) - pop de - jp InterlaceMergeSpriteBuffers - -; copies and aligns the sprite data properly inside the sprite buffer -; sprite buffers are 7*7 tiles in size, the loaded sprite is centered within this area -AlignSpriteDataCentered:: - ld a, [hSpriteOffset] - ld b, $0 - ld c, a - add hl, bc - ld a, [hSpriteWidth] -.columnLoop - push af - push hl - ld a, [hSpriteHeight] - ld c, a -.columnInnerLoop - ld a, [de] - inc de - ld [hli], a - dec c - jr nz, .columnInnerLoop - pop hl - ld bc, 7*8 ; 7 tiles - add hl, bc ; advance one full column - pop af - dec a - jr nz, .columnLoop - ret - -; fills the sprite buffer (pointed to in hl) with zeros -ZeroSpriteBuffer:: - ld bc, SPRITEBUFFERSIZE -.nextByteLoop - xor a - ld [hli], a - dec bc - ld a, b - or c - jr nz, .nextByteLoop - ret - -; combines the (7*7 tiles, 1bpp) sprite chunks in buffer 0 and 1 into a 2bpp sprite located in buffer 1 through 2 -; in the resulting sprite, the rows of the two source sprites are interlaced -; de: output address -InterlaceMergeSpriteBuffers:: - xor a - ld [$4000], a - push de - ld hl, sSpriteBuffer2 + (SPRITEBUFFERSIZE - 1) ; destination: end of buffer 2 - ld de, sSpriteBuffer1 + (SPRITEBUFFERSIZE - 1) ; source 2: end of buffer 1 - ld bc, sSpriteBuffer0 + (SPRITEBUFFERSIZE - 1) ; source 1: end of buffer 0 - ld a, SPRITEBUFFERSIZE/2 ; $c4 - ld [hSpriteInterlaceCounter], a -.interlaceLoop - ld a, [de] - dec de - ld [hld], a ; write byte of source 2 - ld a, [bc] - dec bc - ld [hld], a ; write byte of source 1 - ld a, [de] - dec de - ld [hld], a ; write byte of source 2 - ld a, [bc] - dec bc - ld [hld], a ; write byte of source 1 - ld a, [hSpriteInterlaceCounter] - dec a - ld [hSpriteInterlaceCounter], a - jr nz, .interlaceLoop - ld a, [wSpriteFlipped] - and a - jr z, .notFlipped - ld bc, 2*SPRITEBUFFERSIZE - ld hl, sSpriteBuffer1 -.swapLoop - swap [hl] ; if flipped swap nybbles in all bytes - inc hl - dec bc - ld a, b - or c - jr nz, .swapLoop -.notFlipped - pop hl - ld de, sSpriteBuffer1 - ld c, (2*SPRITEBUFFERSIZE)/16 ; $31, number of 16 byte chunks to be copied - ld a, [hLoadedROMBank] - ld b, a - jp CopyVideoData - - -INCLUDE "data/tilesets/collision_tile_ids.asm" -INCLUDE "home/copy2.asm" -INCLUDE "home/text.asm" -INCLUDE "home/vcopy.asm" -INCLUDE "home/init.asm" -INCLUDE "home/vblank.asm" -INCLUDE "home/fade.asm" -INCLUDE "home/serial.asm" -INCLUDE "home/timer.asm" -INCLUDE "home/audio.asm" - - -UpdateSprites:: - ld a, [wUpdateSpritesEnabled] - dec a - ret nz - ld a, [hLoadedROMBank] - push af - ld a, BANK(_UpdateSprites) - ld [hLoadedROMBank], a - ld [MBC1RomBank], a - call _UpdateSprites - pop af - ld [hLoadedROMBank], a - ld [MBC1RomBank], a - ret - -INCLUDE "data/items/marts.asm" - -TextScriptEndingChar:: - db "@" -TextScriptEnd:: - ld hl, TextScriptEndingChar - ret - -ExclamationText:: - TX_FAR _ExclamationText - db "@" - -GroundRoseText:: - TX_FAR _GroundRoseText - db "@" - -BoulderText:: - TX_FAR _BoulderText - db "@" - -MartSignText:: - TX_FAR _MartSignText - db "@" - -PokeCenterSignText:: - TX_FAR _PokeCenterSignText - db "@" - -PickUpItemText:: - TX_ASM - predef PickUpItem - jp TextScriptEnd - - -INCLUDE "home/pic.asm" - - -ResetPlayerSpriteData:: - ld hl, wSpriteStateData1 - call ResetPlayerSpriteData_ClearSpriteData - ld hl, wSpriteStateData2 - call ResetPlayerSpriteData_ClearSpriteData - ld a, $1 - ld [wSpriteStateData1], a - ld [wSpriteStateData2 + $0e], a - ld hl, wSpriteStateData1 + 4 - ld [hl], $3c ; set Y screen pos - inc hl - inc hl - ld [hl], $40 ; set X screen pos - ret - -; overwrites sprite data with zeroes -ResetPlayerSpriteData_ClearSpriteData:: - ld bc, $10 - xor a - jp FillMemory - -FadeOutAudio:: - ld a, [wAudioFadeOutControl] - and a ; currently fading out audio? - jr nz, .fadingOut - ld a, [wd72c] - bit 1, a - ret nz - ld a, $77 - ld [rNR50], a - ret -.fadingOut - ld a, [wAudioFadeOutCounter] - and a - jr z, .counterReachedZero - dec a - ld [wAudioFadeOutCounter], a - ret -.counterReachedZero - ld a, [wAudioFadeOutCounterReloadValue] - ld [wAudioFadeOutCounter], a - ld a, [rNR50] - and a ; has the volume reached 0? - jr z, .fadeOutComplete - ld b, a - and $f - dec a - ld c, a - ld a, b - and $f0 - swap a - dec a - swap a - or c - ld [rNR50], a - ret -.fadeOutComplete - ld a, [wAudioFadeOutControl] - ld b, a - xor a - ld [wAudioFadeOutControl], a - ld a, SFX_STOP_ALL_MUSIC - ld [wNewSoundID], a - call PlaySound - ld a, [wAudioSavedROMBank] - ld [wAudioROMBank], a - ld a, b - ld [wNewSoundID], a - jp PlaySound - -; this function is used to display sign messages, sprite dialog, etc. -; INPUT: [hSpriteIndexOrTextID] = sprite ID or text ID -DisplayTextID:: - ld a, [hLoadedROMBank] - push af - callba DisplayTextIDInit ; initialization - ld hl, wTextPredefFlag - bit 0, [hl] - res 0, [hl] - jr nz, .skipSwitchToMapBank - ld a, [wCurMap] - call SwitchToMapRomBank -.skipSwitchToMapBank - ld a, 30 ; half a second - ld [hFrameCounter], a ; used as joypad poll timer - ld hl, wMapTextPtr - ld a, [hli] - ld h, [hl] - ld l, a ; hl = map text pointer - ld d, $00 - ld a, [hSpriteIndexOrTextID] ; text ID - ld [wSpriteIndex], a - and a - jp z, DisplayStartMenu - cp TEXT_SAFARI_GAME_OVER - jp z, DisplaySafariGameOverText - cp TEXT_MON_FAINTED - jp z, DisplayPokemonFaintedText - cp TEXT_BLACKED_OUT - jp z, DisplayPlayerBlackedOutText - cp TEXT_REPEL_WORE_OFF - jp z, DisplayRepelWoreOffText - ld a, [wNumSprites] - ld e, a - ld a, [hSpriteIndexOrTextID] ; sprite ID - cp e - jr z, .spriteHandling - jr nc, .skipSpriteHandling -.spriteHandling -; get the text ID of the sprite - push hl - push de - push bc - callba UpdateSpriteFacingOffsetAndDelayMovement ; update the graphics of the sprite the player is talking to (to face the right direction) - pop bc - pop de - ld hl, wMapSpriteData ; NPC text entries - ld a, [hSpriteIndexOrTextID] - dec a - add a - add l - ld l, a - jr nc, .noCarry - inc h -.noCarry - inc hl - ld a, [hl] ; a = text ID of the sprite - pop hl -.skipSpriteHandling -; look up the address of the text in the map's text entries - dec a - ld e, a - sla e - add hl, de - ld a, [hli] - ld h, [hl] - ld l, a ; hl = address of the text - ld a, [hl] ; a = first byte of text -; check first byte of text for special cases - cp $fe ; Pokemart NPC - jp z, DisplayPokemartDialogue - cp $ff ; Pokemon Center NPC - jp z, DisplayPokemonCenterDialogue - cp $fc ; Item Storage PC - jp z, FuncTX_ItemStoragePC - cp $fd ; Bill's PC - jp z, FuncTX_BillsPC - cp $f9 ; Pokemon Center PC - jp z, FuncTX_PokemonCenterPC - cp $f5 ; Vending Machine - jr nz, .notVendingMachine - callba VendingMachineMenu ; jump banks to vending machine routine - jr AfterDisplayingTextID -.notVendingMachine - cp $f7 ; prize menu - jp z, FuncTX_GameCornerPrizeMenu - cp $f6 ; cable connection NPC in Pokemon Center - jr nz, .notSpecialCase - callab CableClubNPC - jr AfterDisplayingTextID -.notSpecialCase - call PrintText_NoCreatingTextBox ; display the text - ld a, [wDoNotWaitForButtonPressAfterDisplayingText] - and a - jr nz, HoldTextDisplayOpen - -AfterDisplayingTextID:: - ld a, [wEnteringCableClub] - and a - jr nz, HoldTextDisplayOpen - call WaitForTextScrollButtonPress ; wait for a button press after displaying all the text - -; loop to hold the dialogue box open as long as the player keeps holding down the A button -HoldTextDisplayOpen:: - call Joypad - ld a, [hJoyHeld] - bit 0, a ; is the A button being pressed? - jr nz, HoldTextDisplayOpen - -CloseTextDisplay:: - ld a, [wCurMap] - call SwitchToMapRomBank - ld a, $90 - ld [hWY], a ; move the window off the screen - call DelayFrame - call LoadGBPal - xor a - ld [hAutoBGTransferEnabled], a ; disable continuous WRAM to VRAM transfer each V-blank -; loop to make sprites face the directions they originally faced before the dialogue - ld hl, wSpriteStateData2 + $19 - ld c, $0f - ld de, $0010 -.restoreSpriteFacingDirectionLoop - ld a, [hl] - dec h - ld [hl], a - inc h - add hl, de - dec c - jr nz, .restoreSpriteFacingDirectionLoop - ld a, BANK(InitMapSprites) - ld [hLoadedROMBank], a - ld [MBC1RomBank], a - call InitMapSprites ; reload sprite tile pattern data (since it was partially overwritten by text tile patterns) - ld hl, wFontLoaded - res 0, [hl] - ld a, [wd732] - bit 3, a ; used fly warp - call z, LoadPlayerSpriteGraphics - call LoadCurrentMapView - pop af - ld [hLoadedROMBank], a - ld [MBC1RomBank], a - jp UpdateSprites - -DisplayPokemartDialogue:: - push hl - ld hl, PokemartGreetingText - call PrintText - pop hl - inc hl - call LoadItemList - ld a, PRICEDITEMLISTMENU - ld [wListMenuID], a - ld a, [hLoadedROMBank] - push af - ld a, BANK(DisplayPokemartDialogue_) - ld [hLoadedROMBank], a - ld [MBC1RomBank], a - call DisplayPokemartDialogue_ - pop af - ld [hLoadedROMBank], a - ld [MBC1RomBank], a - jp AfterDisplayingTextID - -PokemartGreetingText:: - TX_FAR _PokemartGreetingText - db "@" - -LoadItemList:: - ld a, 1 - ld [wUpdateSpritesEnabled], a - ld a, h - ld [wItemListPointer], a - ld a, l - ld [wItemListPointer + 1], a - ld de, wItemList -.loop - ld a, [hli] - ld [de], a - inc de - cp $ff - jr nz, .loop - ret - -DisplayPokemonCenterDialogue:: -; zeroing these doesn't appear to serve any purpose - xor a - ld [hItemPrice], a - ld [hItemPrice + 1], a - ld [hItemPrice + 2], a - - inc hl - ld a, [hLoadedROMBank] - push af - ld a, BANK(DisplayPokemonCenterDialogue_) - ld [hLoadedROMBank], a - ld [MBC1RomBank], a - call DisplayPokemonCenterDialogue_ - pop af - ld [hLoadedROMBank], a - ld [MBC1RomBank], a - jp AfterDisplayingTextID - -DisplaySafariGameOverText:: - callab PrintSafariGameOverText - jp AfterDisplayingTextID - -DisplayPokemonFaintedText:: - ld hl, PokemonFaintedText - call PrintText - jp AfterDisplayingTextID - -PokemonFaintedText:: - TX_FAR _PokemonFaintedText - db "@" - -DisplayPlayerBlackedOutText:: - ld hl, PlayerBlackedOutText - call PrintText - ld a, [wd732] - res 5, a ; reset forced to use bike bit - ld [wd732], a - jp HoldTextDisplayOpen - -PlayerBlackedOutText:: - TX_FAR _PlayerBlackedOutText - db "@" - -DisplayRepelWoreOffText:: - ld hl, RepelWoreOffText - call PrintText - jp AfterDisplayingTextID - -RepelWoreOffText:: - TX_FAR _RepelWoreOffText - db "@" - -INCLUDE "home/start_menu.asm" - -; function to count how many bits are set in a string of bytes +; function to count how many bits are set in a string of bytes ; INPUT: ; hl = address of string of bytes ; b = length of string of bytes @@ -1204,740 +194,73 @@ CountSetBits:: srl e ld a, 0 adc c - ld c, a - dec d - jr nz, .innerLoop - dec b - jr nz, .loop - ld a, c - ld [wNumSetBits], a - ret - -; subtracts the amount the player paid from their money -; OUTPUT: carry = 0(success) or 1(fail because there is not enough money) -SubtractAmountPaidFromMoney:: - jpba SubtractAmountPaidFromMoney_ - -; adds the amount the player sold to their money -AddAmountSoldToMoney:: - ld de, wPlayerMoney + 2 - ld hl, hMoney + 2 ; total price of items - ld c, 3 ; length of money in bytes - predef AddBCDPredef ; add total price to money - ld a, MONEY_BOX - ld [wTextBoxID], a - call DisplayTextBoxID ; redraw money text box - ld a, SFX_PURCHASE - call PlaySoundWaitForCurrent - jp WaitForSoundToFinish - -; function to remove an item (in varying quantities) from the player's bag or PC box -; INPUT: -; HL = address of inventory (either wNumBagItems or wNumBoxItems) -; [wWhichPokemon] = index (within the inventory) of the item to remove -; [wItemQuantity] = quantity to remove -RemoveItemFromInventory:: - ld a, [hLoadedROMBank] - push af - ld a, BANK(RemoveItemFromInventory_) - ld [hLoadedROMBank], a - ld [MBC1RomBank], a - call RemoveItemFromInventory_ - pop af - ld [hLoadedROMBank], a - ld [MBC1RomBank], a - ret - -; function to add an item (in varying quantities) to the player's bag or PC box -; INPUT: -; HL = address of inventory (either wNumBagItems or wNumBoxItems) -; [wcf91] = item ID -; [wItemQuantity] = item quantity -; sets carry flag if successful, unsets carry flag if unsuccessful -AddItemToInventory:: - push bc - ld a, [hLoadedROMBank] - push af - ld a, BANK(AddItemToInventory_) - ld [hLoadedROMBank], a - ld [MBC1RomBank], a - call AddItemToInventory_ - pop bc - ld a, b - ld [hLoadedROMBank], a - ld [MBC1RomBank], a - pop bc - ret - -; INPUT: -; [wListMenuID] = list menu ID -; [wListPointer] = address of the list (2 bytes) -DisplayListMenuID:: - xor a - ld [hAutoBGTransferEnabled], a ; disable auto-transfer - ld a, 1 - ld [hJoy7], a ; joypad state update flag - ld a, [wBattleType] - and a ; is it the Old Man battle? - jr nz, .specialBattleType - ld a, $01 ; hardcoded bank - jr .bankswitch -.specialBattleType ; Old Man battle - ld a, BANK(DisplayBattleMenu) -.bankswitch - call BankswitchHome - ld hl, wd730 - set 6, [hl] ; turn off letter printing delay - xor a - ld [wMenuItemToSwap], a ; 0 means no item is currently being swapped - ld [wListCount], a - ld a, [wListPointer] - ld l, a - ld a, [wListPointer + 1] - ld h, a ; hl = address of the list - ld a, [hl] ; the first byte is the number of entries in the list - ld [wListCount], a - ld a, LIST_MENU_BOX - ld [wTextBoxID], a - call DisplayTextBoxID ; draw the menu text box - call UpdateSprites ; disable sprites behind the text box -; the code up to .skipMovingSprites appears to be useless - coord hl, 4, 2 ; coordinates of upper left corner of menu text box - lb de, 9, 14 ; height and width of menu text box - ld a, [wListMenuID] - and a ; is it a PC pokemon list? - jr nz, .skipMovingSprites - call UpdateSprites -.skipMovingSprites - ld a, 1 ; max menu item ID is 1 if the list has less than 2 entries - ld [wMenuWatchMovingOutOfBounds], a - ld a, [wListCount] - cp 2 ; does the list have less than 2 entries? - jr c, .setMenuVariables - ld a, 2 ; max menu item ID is 2 if the list has at least 2 entries -.setMenuVariables - ld [wMaxMenuItem], a - ld a, 4 - ld [wTopMenuItemY], a - ld a, 5 - ld [wTopMenuItemX], a - ld a, A_BUTTON | B_BUTTON | SELECT - ld [wMenuWatchedKeys], a - ld c, 10 - call DelayFrames - -DisplayListMenuIDLoop:: - xor a - ld [hAutoBGTransferEnabled], a ; disable transfer - call PrintListMenuEntries - ld a, 1 - ld [hAutoBGTransferEnabled], a ; enable transfer - call Delay3 - ld a, [wBattleType] - and a ; is it the Old Man battle? - jr z, .notOldManBattle -.oldManBattle - ld a, "▶" - Coorda 5, 4 ; place menu cursor in front of first menu entry - ld c, 80 - call DelayFrames - xor a - ld [wCurrentMenuItem], a - coord hl, 5, 4 - ld a, l - ld [wMenuCursorLocation], a - ld a, h - ld [wMenuCursorLocation + 1], a - jr .buttonAPressed -.notOldManBattle - call LoadGBPal - call HandleMenuInput - push af - call PlaceMenuCursor - pop af - bit 0, a ; was the A button pressed? - jp z, .checkOtherKeys -.buttonAPressed - ld a, [wCurrentMenuItem] - call PlaceUnfilledArrowMenuCursor - -; pointless because both values are overwritten before they are read - ld a, $01 - ld [wMenuExitMethod], a - ld [wChosenMenuItem], a - - xor a - ld [wMenuWatchMovingOutOfBounds], a - ld a, [wCurrentMenuItem] - ld c, a - ld a, [wListScrollOffset] - add c - ld c, a - ld a, [wListCount] - and a ; is the list empty? - jp z, ExitListMenu ; if so, exit the menu - dec a - cp c ; did the player select Cancel? - jp c, ExitListMenu ; if so, exit the menu - ld a, c - ld [wWhichPokemon], a - ld a, [wListMenuID] - cp ITEMLISTMENU - jr nz, .skipMultiplying -; if it's an item menu - sla c ; item entries are 2 bytes long, so multiply by 2 -.skipMultiplying - ld a, [wListPointer] - ld l, a - ld a, [wListPointer + 1] - ld h, a - inc hl ; hl = beginning of list entries - ld b, 0 - add hl, bc - ld a, [hl] - ld [wcf91], a - ld a, [wListMenuID] - and a ; is it a PC pokemon list? - jr z, .pokemonList - push hl - call GetItemPrice - pop hl - ld a, [wListMenuID] - cp ITEMLISTMENU - jr nz, .skipGettingQuantity -; if it's an item menu - inc hl - ld a, [hl] ; a = item quantity - ld [wMaxItemQuantity], a -.skipGettingQuantity - ld a, [wcf91] - ld [wd0b5], a - ld a, BANK(ItemNames) - ld [wPredefBank], a - call GetName - jr .storeChosenEntry -.pokemonList - ld hl, wPartyCount - ld a, [wListPointer] - cp l ; is it a list of party pokemon or box pokemon? - ld hl, wPartyMonNicks - jr z, .getPokemonName - ld hl, wBoxMonNicks ; box pokemon names -.getPokemonName - ld a, [wWhichPokemon] - call GetPartyMonName -.storeChosenEntry ; store the menu entry that the player chose and return - ld de, wcd6d - call CopyStringToCF4B ; copy name to wcf4b - ld a, CHOSE_MENU_ITEM - ld [wMenuExitMethod], a - ld a, [wCurrentMenuItem] - ld [wChosenMenuItem], a - xor a - ld [hJoy7], a ; joypad state update flag - ld hl, wd730 - res 6, [hl] ; turn on letter printing delay - jp BankswitchBack -.checkOtherKeys ; check B, SELECT, Up, and Down keys - bit 1, a ; was the B button pressed? - jp nz, ExitListMenu ; if so, exit the menu - bit 2, a ; was the select button pressed? - jp nz, HandleItemListSwapping ; if so, allow the player to swap menu entries - ld b, a - bit 7, b ; was Down pressed? - ld hl, wListScrollOffset - jr z, .upPressed -.downPressed - ld a, [hl] - add 3 - ld b, a - ld a, [wListCount] - cp b ; will going down scroll past the Cancel button? - jp c, DisplayListMenuIDLoop - inc [hl] ; if not, go down - jp DisplayListMenuIDLoop -.upPressed - ld a, [hl] - and a - jp z, DisplayListMenuIDLoop - dec [hl] - jp DisplayListMenuIDLoop - -DisplayChooseQuantityMenu:: -; text box dimensions/coordinates for just quantity - coord hl, 15, 9 - ld b, 1 ; height - ld c, 3 ; width - ld a, [wListMenuID] - cp PRICEDITEMLISTMENU - jr nz, .drawTextBox -; text box dimensions/coordinates for quantity and price - coord hl, 7, 9 - ld b, 1 ; height - ld c, 11 ; width -.drawTextBox - call TextBoxBorder - coord hl, 16, 10 - ld a, [wListMenuID] - cp PRICEDITEMLISTMENU - jr nz, .printInitialQuantity - coord hl, 8, 10 -.printInitialQuantity - ld de, InitialQuantityText - call PlaceString - xor a - ld [wItemQuantity], a ; initialize current quantity to 0 - jp .incrementQuantity -.waitForKeyPressLoop - call JoypadLowSensitivity - ld a, [hJoyPressed] ; newly pressed buttons - bit 0, a ; was the A button pressed? - jp nz, .buttonAPressed - bit 1, a ; was the B button pressed? - jp nz, .buttonBPressed - bit 6, a ; was Up pressed? - jr nz, .incrementQuantity - bit 7, a ; was Down pressed? - jr nz, .decrementQuantity - jr .waitForKeyPressLoop -.incrementQuantity - ld a, [wMaxItemQuantity] - inc a - ld b, a - ld hl, wItemQuantity ; current quantity - inc [hl] - ld a, [hl] - cp b - jr nz, .handleNewQuantity -; wrap to 1 if the player goes above the max quantity - ld a, 1 - ld [hl], a - jr .handleNewQuantity -.decrementQuantity - ld hl, wItemQuantity ; current quantity - dec [hl] - jr nz, .handleNewQuantity -; wrap to the max quantity if the player goes below 1 - ld a, [wMaxItemQuantity] - ld [hl], a -.handleNewQuantity - coord hl, 17, 10 - ld a, [wListMenuID] - cp PRICEDITEMLISTMENU - jr nz, .printQuantity -.printPrice - ld c, $03 - ld a, [wItemQuantity] - ld b, a - ld hl, hMoney ; total price -; initialize total price to 0 - xor a - ld [hli], a - ld [hli], a - ld [hl], a -.addLoop ; loop to multiply the individual price by the quantity to get the total price - ld de, hMoney + 2 - ld hl, hItemPrice + 2 - push bc - predef AddBCDPredef ; add the individual price to the current sum - pop bc - dec b - jr nz, .addLoop - ld a, [hHalveItemPrices] - and a ; should the price be halved (for selling items)? - jr z, .skipHalvingPrice - xor a - ld [hDivideBCDDivisor], a - ld [hDivideBCDDivisor + 1], a - ld a, $02 - ld [hDivideBCDDivisor + 2], a - predef DivideBCDPredef3 ; halves the price -; store the halved price - ld a, [hDivideBCDQuotient] - ld [hMoney], a - ld a, [hDivideBCDQuotient + 1] - ld [hMoney + 1], a - ld a, [hDivideBCDQuotient + 2] - ld [hMoney + 2], a -.skipHalvingPrice - coord hl, 12, 10 - ld de, SpacesBetweenQuantityAndPriceText - call PlaceString - ld de, hMoney ; total price - ld c, $a3 - call PrintBCDNumber - coord hl, 9, 10 -.printQuantity - ld de, wItemQuantity ; current quantity - lb bc, LEADING_ZEROES | 1, 2 ; 1 byte, 2 digits - call PrintNumber - jp .waitForKeyPressLoop -.buttonAPressed ; the player chose to make the transaction - xor a - ld [wMenuItemToSwap], a ; 0 means no item is currently being swapped - ret -.buttonBPressed ; the player chose to cancel the transaction - xor a - ld [wMenuItemToSwap], a ; 0 means no item is currently being swapped - ld a, $ff - ret - -InitialQuantityText:: - db "×01@" - -SpacesBetweenQuantityAndPriceText:: - db " @" - -ExitListMenu:: - ld a, [wCurrentMenuItem] - ld [wChosenMenuItem], a - ld a, CANCELLED_MENU - ld [wMenuExitMethod], a - ld [wMenuWatchMovingOutOfBounds], a - xor a - ld [hJoy7], a - ld hl, wd730 - res 6, [hl] - call BankswitchBack - xor a - ld [wMenuItemToSwap], a ; 0 means no item is currently being swapped - scf - ret - -PrintListMenuEntries:: - coord hl, 5, 3 - ld b, 9 - ld c, 14 - call ClearScreenArea - ld a, [wListPointer] - ld e, a - ld a, [wListPointer + 1] - ld d, a - inc de ; de = beginning of list entries - ld a, [wListScrollOffset] - ld c, a - ld a, [wListMenuID] - cp ITEMLISTMENU - ld a, c - jr nz, .skipMultiplying -; if it's an item menu -; item entries are 2 bytes long, so multiply by 2 - sla a - sla c -.skipMultiplying - add e - ld e, a - jr nc, .noCarry - inc d -.noCarry - coord hl, 6, 4 ; coordinates of first list entry name - ld b, 4 ; print 4 names -.loop - ld a, b - ld [wWhichPokemon], a - ld a, [de] - ld [wd11e], a - cp $ff - jp z, .printCancelMenuItem - push bc - push de - push hl - push hl - push de - ld a, [wListMenuID] - and a - jr z, .pokemonPCMenu - cp MOVESLISTMENU - jr z, .movesMenu -.itemMenu - call GetItemName - jr .placeNameString -.pokemonPCMenu - push hl - ld hl, wPartyCount - ld a, [wListPointer] - cp l ; is it a list of party pokemon or box pokemon? - ld hl, wPartyMonNicks - jr z, .getPokemonName - ld hl, wBoxMonNicks ; box pokemon names -.getPokemonName - ld a, [wWhichPokemon] - ld b, a - ld a, 4 - sub b - ld b, a - ld a, [wListScrollOffset] - add b - call GetPartyMonName - pop hl - jr .placeNameString -.movesMenu - call GetMoveName -.placeNameString - call PlaceString - pop de - pop hl - ld a, [wPrintItemPrices] - and a ; should prices be printed? - jr z, .skipPrintingItemPrice -.printItemPrice - push hl - ld a, [de] - ld de, ItemPrices - ld [wcf91], a - call GetItemPrice ; get price - pop hl - ld bc, SCREEN_WIDTH + 5 ; 1 row down and 5 columns right - add hl, bc - ld c, $a3 ; no leading zeroes, right-aligned, print currency symbol, 3 bytes - call PrintBCDNumber -.skipPrintingItemPrice - ld a, [wListMenuID] - and a - jr nz, .skipPrintingPokemonLevel -.printPokemonLevel - ld a, [wd11e] - push af - push hl - ld hl, wPartyCount - ld a, [wListPointer] - cp l ; is it a list of party pokemon or box pokemon? - ld a, PLAYER_PARTY_DATA - jr z, .next - ld a, BOX_DATA -.next - ld [wMonDataLocation], a - ld hl, wWhichPokemon - ld a, [hl] - ld b, a - ld a, $04 - sub b - ld b, a - ld a, [wListScrollOffset] - add b - ld [hl], a - call LoadMonData - ld a, [wMonDataLocation] - and a ; is it a list of party pokemon or box pokemon? - jr z, .skipCopyingLevel -.copyLevel - ld a, [wLoadedMonBoxLevel] - ld [wLoadedMonLevel], a -.skipCopyingLevel - pop hl - ld bc, $001c - add hl, bc - call PrintLevel - pop af - ld [wd11e], a -.skipPrintingPokemonLevel - pop hl - pop de - inc de - ld a, [wListMenuID] - cp ITEMLISTMENU - jr nz, .nextListEntry -.printItemQuantity - ld a, [wd11e] - ld [wcf91], a - call IsKeyItem ; check if item is unsellable - ld a, [wIsKeyItem] - and a ; is the item unsellable? - jr nz, .skipPrintingItemQuantity ; if so, don't print the quantity - push hl - ld bc, SCREEN_WIDTH + 8 ; 1 row down and 8 columns right - add hl, bc - ld a, "×" - ld [hli], a - ld a, [wd11e] - push af - ld a, [de] - ld [wMaxItemQuantity], a - push de - ld de, wd11e - ld [de], a - lb bc, 1, 2 - call PrintNumber - pop de - pop af - ld [wd11e], a - pop hl -.skipPrintingItemQuantity - inc de - pop bc - inc c - push bc - inc c - ld a, [wMenuItemToSwap] ; ID of item chosen for swapping (counts from 1) - and a ; is an item being swapped? - jr z, .nextListEntry - sla a - cp c ; is it this item? - jr nz, .nextListEntry - dec hl - ld a, $ec ; unfilled right arrow menu cursor to indicate an item being swapped - ld [hli], a -.nextListEntry - ld bc, 2 * SCREEN_WIDTH ; 2 rows - add hl, bc - pop bc - inc c + ld c, a + dec d + jr nz, .innerLoop dec b - jp nz, .loop - ld bc, -8 - add hl, bc - ld a, "▼" - ld [hl], a + jr nz, .loop + ld a, c + ld [wNumSetBits], a ret -.printCancelMenuItem - ld de, ListMenuCancelText - jp PlaceString -ListMenuCancelText:: - db "CANCEL@" +; subtracts the amount the player paid from their money +; OUTPUT: carry = 0(success) or 1(fail because there is not enough money) +SubtractAmountPaidFromMoney:: + jpba SubtractAmountPaidFromMoney_ -GetMonName:: - push hl +; adds the amount the player sold to their money +AddAmountSoldToMoney:: + ld de, wPlayerMoney + 2 + ld hl, hMoney + 2 ; total price of items + ld c, 3 ; length of money in bytes + predef AddBCDPredef ; add total price to money + ld a, MONEY_BOX + ld [wTextBoxID], a + call DisplayTextBoxID ; redraw money text box + ld a, SFX_PURCHASE + call PlaySoundWaitForCurrent + jp WaitForSoundToFinish + +; function to remove an item (in varying quantities) from the player's bag or PC box +; INPUT: +; HL = address of inventory (either wNumBagItems or wNumBoxItems) +; [wWhichPokemon] = index (within the inventory) of the item to remove +; [wItemQuantity] = quantity to remove +RemoveItemFromInventory:: ld a, [hLoadedROMBank] push af - ld a, BANK(MonsterNames) + ld a, BANK(RemoveItemFromInventory_) ld [hLoadedROMBank], a ld [MBC1RomBank], a - ld a, [wd11e] - dec a - ld hl, MonsterNames - ld c, 10 - ld b, 0 - call AddNTimes - ld de, wcd6d - push de - ld bc, 10 - call CopyData - ld hl, wcd6d + 10 - ld [hl], "@" - pop de + call RemoveItemFromInventory_ pop af ld [hLoadedROMBank], a ld [MBC1RomBank], a - pop hl - ret - -GetItemName:: -; given an item ID at [wd11e], store the name of the item into a string -; starting at wcd6d - push hl - push bc - ld a, [wd11e] - cp HM_01 ; is this a TM/HM? - jr nc, .Machine - - ld [wd0b5], a - ld a, ITEM_NAME - ld [wNameListType], a - ld a, BANK(ItemNames) - ld [wPredefBank], a - call GetName - jr .Finish - -.Machine - call GetMachineName -.Finish - ld de, wcd6d ; pointer to where item name is stored in RAM - pop bc - pop hl ret -GetMachineName:: -; copies the name of the TM/HM in [wd11e] to wcd6d - push hl - push de +; function to add an item (in varying quantities) to the player's bag or PC box +; INPUT: +; HL = address of inventory (either wNumBagItems or wNumBoxItems) +; [wcf91] = item ID +; [wItemQuantity] = item quantity +; sets carry flag if successful, unsets carry flag if unsuccessful +AddItemToInventory:: push bc - ld a, [wd11e] - push af - cp TM_01 ; is this a TM? [not HM] - jr nc, .WriteTM -; if HM, then write "HM" and add 5 to the item ID, so we can reuse the -; TM printing code - add 5 - ld [wd11e], a - ld hl, HiddenPrefix ; points to "HM" - ld bc, 2 - jr .WriteMachinePrefix -.WriteTM - ld hl, TechnicalPrefix ; points to "TM" - ld bc, 2 -.WriteMachinePrefix - ld de, wcd6d - call CopyData - -; now get the machine number and convert it to text - ld a, [wd11e] - sub TM_01 - 1 - ld b, "0" -.FirstDigit - sub 10 - jr c, .SecondDigit - inc b - jr .FirstDigit -.SecondDigit - add 10 + ld a, [hLoadedROMBank] push af + ld a, BANK(AddItemToInventory_) + ld [hLoadedROMBank], a + ld [MBC1RomBank], a + call AddItemToInventory_ + pop bc ld a, b - ld [de], a - inc de - pop af - ld b, "0" - add b - ld [de], a - inc de - ld a, "@" - ld [de], a - pop af - ld [wd11e], a + ld [hLoadedROMBank], a + ld [MBC1RomBank], a pop bc - pop de - pop hl - ret - -TechnicalPrefix:: - db "TM" -HiddenPrefix:: - db "HM" - -; sets carry if item is HM, clears carry if item is not HM -; Input: a = item ID -IsItemHM:: - cp HM_01 - jr c, .notHM - cp TM_01 - ret -.notHM - and a ret -; sets carry if move is an HM, clears carry if move is not an HM -; Input: a = move ID -IsMoveHM:: - ld hl, HMMoves - ld de, 1 - jp IsInArray - -HMMoves:: - db CUT,FLY,SURF,STRENGTH,FLASH - db $ff ; terminator - -GetMoveName:: - push hl - ld a, MOVE_NAME - ld [wNameListType], a - ld a, [wd11e] - ld [wd0b5], a - ld a, BANK(MoveNames) - ld [wPredefBank], a - call GetName - ld de, wcd6d ; pointer to where move name is stored in RAM - pop hl - ret +INCLUDE "home/list_menu.asm" +INCLUDE "home/names.asm" ; reloads text box tile patterns, current map view, and tileset tile patterns ReloadMapData:: @@ -2103,442 +426,7 @@ EndNPCMovementScript:: EmptyFunc2:: ret -; stores hl in [wTrainerHeaderPtr] -StoreTrainerHeaderPointer:: - ld a, h - ld [wTrainerHeaderPtr], a - ld a, l - ld [wTrainerHeaderPtr+1], a - ret - -; executes the current map script from the function pointer array provided in hl. -; a: map script index to execute (unless overridden by [wd733] bit 4) -ExecuteCurMapScriptInTable:: - push af - push de - call StoreTrainerHeaderPointer - pop hl - pop af - push hl - ld hl, wFlags_D733 - bit 4, [hl] - res 4, [hl] - jr z, .useProvidedIndex ; test if map script index was overridden manually - ld a, [wCurMapScript] -.useProvidedIndex - pop hl - ld [wCurMapScript], a - call CallFunctionInTable - ld a, [wCurMapScript] - ret - -LoadGymLeaderAndCityName:: - push de - ld de, wGymCityName - ld bc, $11 - call CopyData ; load city name - pop hl - ld de, wGymLeaderName - ld bc, NAME_LENGTH - jp CopyData ; load gym leader name - -; reads specific information from trainer header (pointed to at wTrainerHeaderPtr) -; a: offset in header data -; 0 -> flag's bit (into wTrainerHeaderFlagBit) -; 2 -> flag's byte ptr (into hl) -; 4 -> before battle text (into hl) -; 6 -> after battle text (into hl) -; 8 -> end battle text (into hl) -ReadTrainerHeaderInfo:: - push de - push af - ld d, $0 - ld e, a - ld hl, wTrainerHeaderPtr - ld a, [hli] - ld l, [hl] - ld h, a - add hl, de - pop af - and a - jr nz, .nonZeroOffset - ld a, [hl] - ld [wTrainerHeaderFlagBit], a ; store flag's bit - jr .done -.nonZeroOffset - cp $2 - jr z, .readPointer ; read flag's byte ptr - cp $4 - jr z, .readPointer ; read before battle text - cp $6 - jr z, .readPointer ; read after battle text - cp $8 - jr z, .readPointer ; read end battle text - cp $a - jr nz, .done - ld a, [hli] ; read end battle text (2) but override the result afterwards (XXX why, bug?) - ld d, [hl] - ld e, a - jr .done -.readPointer - ld a, [hli] - ld h, [hl] - ld l, a -.done - pop de - ret - -TrainerFlagAction:: - predef_jump FlagActionPredef - -TalkToTrainer:: - call StoreTrainerHeaderPointer - xor a - call ReadTrainerHeaderInfo ; read flag's bit - ld a, $2 - call ReadTrainerHeaderInfo ; read flag's byte ptr - ld a, [wTrainerHeaderFlagBit] - ld c, a - ld b, FLAG_TEST - call TrainerFlagAction ; read trainer's flag - ld a, c - and a - jr z, .trainerNotYetFought ; test trainer's flag - ld a, $6 - call ReadTrainerHeaderInfo ; print after battle text - jp PrintText -.trainerNotYetFought - ld a, $4 - call ReadTrainerHeaderInfo ; print before battle text - call PrintText - ld a, $a - call ReadTrainerHeaderInfo ; (?) does nothing apparently (maybe bug in ReadTrainerHeaderInfo) - push de - ld a, $8 - call ReadTrainerHeaderInfo ; read end battle text - pop de - call SaveEndBattleTextPointers - ld hl, wFlags_D733 - set 4, [hl] ; activate map script index override (index is set below) - ld hl, wFlags_0xcd60 - bit 0, [hl] ; test if player is already engaging the trainer (because the trainer saw the player) - ret nz -; if the player talked to the trainer of his own volition - call EngageMapTrainer - ld hl, wCurMapScript - inc [hl] ; increment map script index before StartTrainerBattle increments it again (next script function is usually EndTrainerBattle) - jp StartTrainerBattle - -; checks if any trainers are seeing the player and wanting to fight -CheckFightingMapTrainers:: - call CheckForEngagingTrainers - ld a, [wSpriteIndex] - cp $ff - jr nz, .trainerEngaging - xor a - ld [wSpriteIndex], a - ld [wTrainerHeaderFlagBit], a - ret -.trainerEngaging - ld hl, wFlags_D733 - set 3, [hl] - ld [wEmotionBubbleSpriteIndex], a - xor a ; EXCLAMATION_BUBBLE - ld [wWhichEmotionBubble], a - predef EmotionBubble - ld a, D_RIGHT | D_LEFT | D_UP | D_DOWN - ld [wJoyIgnore], a - xor a - ld [hJoyHeld], a - call TrainerWalkUpToPlayer_Bank0 - ld hl, wCurMapScript - inc [hl] ; increment map script index (next script function is usually DisplayEnemyTrainerTextAndStartBattle) - ret - -; display the before battle text after the enemy trainer has walked up to the player's sprite -DisplayEnemyTrainerTextAndStartBattle:: - ld a, [wd730] - and $1 - ret nz ; return if the enemy trainer hasn't finished walking to the player's sprite - ld [wJoyIgnore], a - ld a, [wSpriteIndex] - ld [hSpriteIndexOrTextID], a - call DisplayTextID - ; fall through - -StartTrainerBattle:: - xor a - ld [wJoyIgnore], a - call InitBattleEnemyParameters - ld hl, wd72d - set 6, [hl] - set 7, [hl] - ld hl, wd72e - set 1, [hl] - ld hl, wCurMapScript - inc [hl] ; increment map script index (next script function is usually EndTrainerBattle) - ret - -EndTrainerBattle:: - ld hl, wCurrentMapScriptFlags - set 5, [hl] - set 6, [hl] - ld hl, wd72d - res 7, [hl] - ld hl, wFlags_0xcd60 - res 0, [hl] ; player is no longer engaged by any trainer - ld a, [wIsInBattle] - cp $ff - jp z, ResetButtonPressedAndMapScript - ld a, $2 - call ReadTrainerHeaderInfo - ld a, [wTrainerHeaderFlagBit] - ld c, a - ld b, FLAG_SET - call TrainerFlagAction ; flag trainer as fought - ld a, [wEnemyMonOrTrainerClass] - cp OPP_ID_OFFSET - jr nc, .skipRemoveSprite ; test if trainer was fought (in that case skip removing the corresponding sprite) - ld hl, wMissableObjectList - ld de, $2 - ld a, [wSpriteIndex] - call IsInArray ; search for sprite ID - inc hl - ld a, [hl] - ld [wMissableObjectIndex], a ; load corresponding missable object index and remove it - predef HideObject -.skipRemoveSprite - ld hl, wd730 - bit 4, [hl] - res 4, [hl] - ret nz - -ResetButtonPressedAndMapScript:: - xor a - ld [wJoyIgnore], a - ld [hJoyHeld], a - ld [hJoyPressed], a - ld [hJoyReleased], a - ld [wCurMapScript], a ; reset battle status - ret - -; calls TrainerWalkUpToPlayer -TrainerWalkUpToPlayer_Bank0:: - jpba TrainerWalkUpToPlayer - -; sets opponent type and mon set/lvl based on the engaging trainer data -InitBattleEnemyParameters:: - ld a, [wEngagedTrainerClass] - ld [wCurOpponent], a - ld [wEnemyMonOrTrainerClass], a - cp OPP_ID_OFFSET - ld a, [wEngagedTrainerSet] - jr c, .noTrainer - ld [wTrainerNo], a - ret -.noTrainer - ld [wCurEnemyLVL], a - ret - -GetSpritePosition1:: - ld hl, _GetSpritePosition1 - jr SpritePositionBankswitch - -GetSpritePosition2:: - ld hl, _GetSpritePosition2 - jr SpritePositionBankswitch - -SetSpritePosition1:: - ld hl, _SetSpritePosition1 - jr SpritePositionBankswitch - -SetSpritePosition2:: - ld hl, _SetSpritePosition2 -SpritePositionBankswitch:: - ld b, BANK(_GetSpritePosition1) ; BANK(_GetSpritePosition2), BANK(_SetSpritePosition1), BANK(_SetSpritePosition2) - jp Bankswitch ; indirect jump to one of the four functions - -CheckForEngagingTrainers:: - xor a - call ReadTrainerHeaderInfo ; read trainer flag's bit (unused) - ld d, h ; store trainer header address in de - ld e, l -.trainerLoop - call StoreTrainerHeaderPointer ; set trainer header pointer to current trainer - ld a, [de] - ld [wSpriteIndex], a ; store trainer flag's bit - ld [wTrainerHeaderFlagBit], a - cp $ff - ret z - ld a, $2 - call ReadTrainerHeaderInfo ; read trainer flag's byte ptr - ld b, FLAG_TEST - ld a, [wTrainerHeaderFlagBit] - ld c, a - call TrainerFlagAction ; read trainer flag - ld a, c - and a ; has the trainer already been defeated? - jr nz, .continue - push hl - push de - push hl - xor a - call ReadTrainerHeaderInfo ; get trainer header pointer - inc hl - ld a, [hl] ; read trainer engage distance - pop hl - ld [wTrainerEngageDistance], a - ld a, [wSpriteIndex] - swap a - ld [wTrainerSpriteOffset], a - predef TrainerEngage - pop de - pop hl - ld a, [wTrainerSpriteOffset] - and a - ret nz ; break if the trainer is engaging -.continue - ld hl, $c - add hl, de - ld d, h - ld e, l - jr .trainerLoop - -; hl = text if the player wins -; de = text if the player loses -SaveEndBattleTextPointers:: - ld a, [hLoadedROMBank] - ld [wEndBattleTextRomBank], a - ld a, h - ld [wEndBattleWinTextPointer], a - ld a, l - ld [wEndBattleWinTextPointer + 1], a - ld a, d - ld [wEndBattleLoseTextPointer], a - ld a, e - ld [wEndBattleLoseTextPointer + 1], a - ret - -; loads data of some trainer on the current map and plays pre-battle music -; [wSpriteIndex]: sprite ID of trainer who is engaged -EngageMapTrainer:: - ld hl, wMapSpriteExtraData - ld d, $0 - ld a, [wSpriteIndex] - dec a - add a - ld e, a - add hl, de ; seek to engaged trainer data - ld a, [hli] ; load trainer class - ld [wEngagedTrainerClass], a - ld a, [hl] ; load trainer mon set - ld [wEngagedTrainerSet], a - jp PlayTrainerMusic - -PrintEndBattleText:: - push hl - ld hl, wd72d - bit 7, [hl] - res 7, [hl] - pop hl - ret z - ld a, [hLoadedROMBank] - push af - ld a, [wEndBattleTextRomBank] - ld [hLoadedROMBank], a - ld [MBC1RomBank], a - push hl - callba SaveTrainerName - ld hl, TrainerEndBattleText - call PrintText - pop hl - pop af - ld [hLoadedROMBank], a - ld [MBC1RomBank], a - callba FreezeEnemyTrainerSprite - jp WaitForSoundToFinish - -GetSavedEndBattleTextPointer:: - ld a, [wBattleResult] - and a -; won battle - jr nz, .lostBattle - ld a, [wEndBattleWinTextPointer] - ld h, a - ld a, [wEndBattleWinTextPointer + 1] - ld l, a - ret -.lostBattle - ld a, [wEndBattleLoseTextPointer] - ld h, a - ld a, [wEndBattleLoseTextPointer + 1] - ld l, a - ret - -TrainerEndBattleText:: - TX_FAR _TrainerNameText - TX_ASM - call GetSavedEndBattleTextPointer - call TextCommandProcessor - jp TextScriptEnd - -; only engage withe trainer if the player is not already -; engaged with another trainer -; XXX unused? -CheckIfAlreadyEngaged:: - ld a, [wFlags_0xcd60] - bit 0, a - ret nz - call EngageMapTrainer - xor a - ret - -PlayTrainerMusic:: - ld a, [wEngagedTrainerClass] - cp OPP_SONY1 - ret z - cp OPP_SONY2 - ret z - cp OPP_SONY3 - ret z - ld a, [wGymLeaderNo] - and a - ret nz - xor a - ld [wAudioFadeOutControl], a - ld a, SFX_STOP_ALL_MUSIC - call PlaySound - ld a, BANK(Music_MeetEvilTrainer) - ld [wAudioROMBank], a - ld [wAudioSavedROMBank], a - ld a, [wEngagedTrainerClass] - ld b, a - ld hl, EvilTrainerList -.evilTrainerListLoop - ld a, [hli] - cp $ff - jr z, .noEvilTrainer - cp b - jr nz, .evilTrainerListLoop - ld a, MUSIC_MEET_EVIL_TRAINER - jr .PlaySound -.noEvilTrainer - ld hl, FemaleTrainerList -.femaleTrainerListLoop - ld a, [hli] - cp $ff - jr z, .maleTrainer - cp b - jr nz, .femaleTrainerListLoop - ld a, MUSIC_MEET_FEMALE_TRAINER - jr .PlaySound -.maleTrainer - ld a, MUSIC_MEET_MALE_TRAINER -.PlaySound - ld [wNewSoundID], a - jp PlaySound - -INCLUDE "data/trainers/encounter_types.asm" +INCLUDE "home/trainers.asm" ; checks if the player's coordinates match an arrow movement tile's coordinates ; and if so, decodes the RLE movement data @@ -2841,83 +729,8 @@ HasEnoughCoins:: ld c, 2 jp StringCmp - -BankswitchHome:: -; switches to bank # in a -; Only use this when in the home bank! - ld [wBankswitchHomeTemp], a - ld a, [hLoadedROMBank] - ld [wBankswitchHomeSavedROMBank], a - ld a, [wBankswitchHomeTemp] - ld [hLoadedROMBank], a - ld [MBC1RomBank], a - ret - -BankswitchBack:: -; returns from BankswitchHome - ld a, [wBankswitchHomeSavedROMBank] - ld [hLoadedROMBank], a - ld [MBC1RomBank], a - ret - -Bankswitch:: -; self-contained bankswitch, use this when not in the home bank -; switches to the bank in b - ld a, [hLoadedROMBank] - push af - ld a, b - ld [hLoadedROMBank], a - ld [MBC1RomBank], a - ld bc, .Return - push bc - jp hl -.Return - pop bc - ld a, b - ld [hLoadedROMBank], a - ld [MBC1RomBank], a - ret - -; displays yes/no choice -; yes -> set carry -YesNoChoice:: - call SaveScreenTilesToBuffer1 - call InitYesNoTextBoxParameters - jr DisplayYesNoChoice - -Func_35f4:: - ld a, TWO_OPTION_MENU - ld [wTextBoxID], a - call InitYesNoTextBoxParameters - jp DisplayTextBoxID - -InitYesNoTextBoxParameters:: - xor a ; YES_NO_MENU - ld [wTwoOptionMenuID], a - coord hl, 14, 7 - ld bc, $80f - ret - -YesNoChoicePokeCenter:: - call SaveScreenTilesToBuffer1 - ld a, HEAL_CANCEL_MENU - ld [wTwoOptionMenuID], a - coord hl, 11, 6 - lb bc, 8, 12 - jr DisplayYesNoChoice - -WideYesNoChoice:: ; unused - call SaveScreenTilesToBuffer1 - ld a, WIDE_YES_NO_MENU - ld [wTwoOptionMenuID], a - coord hl, 12, 7 - lb bc, 8, 13 - -DisplayYesNoChoice:: - ld a, TWO_OPTION_MENU - ld [wTextBoxID], a - call DisplayTextBoxID - jp LoadScreenTilesFromBuffer1 +INCLUDE "home/bankswitch.asm" +INCLUDE "home/yes_no.asm" ; calculates the difference |a-b|, setting carry flag if a999) - cp 999 / $100 + 1 - jr nc, .overflow - cp 999 / $100 - jr c, .noOverflow - ld a, [hMultiplicand+2] - cp 999 % $100 + 1 - jr c, .noOverflow -.overflow - ld a, 999 / $100 ; overflow: cap at 999 - ld [hMultiplicand+1], a - ld a, 999 % $100 - ld [hMultiplicand+2], a -.noOverflow - pop bc - pop de - pop hl - ret - -AddEnemyMonToPlayerParty:: - ld a, [hLoadedROMBank] - push af - ld a, BANK(_AddEnemyMonToPlayerParty) - ld [hLoadedROMBank], a - ld [MBC1RomBank], a - call _AddEnemyMonToPlayerParty - pop bc - ld a, b - ld [hLoadedROMBank], a - ld [MBC1RomBank], a - ret - -MoveMon:: - ld a, [hLoadedROMBank] - push af - ld a, BANK(_MoveMon) - ld [hLoadedROMBank], a - ld [MBC1RomBank], a - call _MoveMon - pop bc - ld a, b - ld [hLoadedROMBank], a - ld [MBC1RomBank], a - ret +INCLUDE "home/move_mon.asm" ; skips a text entries, each of size NAME_LENGTH (like trainer name, OT name, rival name, ...) ; hl: base pointer, will be incremented by NAME_LENGTH * a @@ -4091,225 +1568,7 @@ PrintText_NoCreatingTextBox:: coord bc, 1, 14 jp TextCommandProcessor - -PrintNumber:: -; Print the c-digit, b-byte value at de. -; Allows 2 to 7 digits. For 1-digit numbers, add -; the value to char "0" instead of calling PrintNumber. -; Flags LEADING_ZEROES and LEFT_ALIGN can be given -; in bits 7 and 6 of b respectively. - push bc - xor a - ld [hPastLeadingZeros], a - ld [hNumToPrint], a - ld [hNumToPrint + 1], a - ld a, b - and $f - cp 1 - jr z, .byte - cp 2 - jr z, .word -.long - ld a, [de] - ld [hNumToPrint], a - inc de - ld a, [de] - ld [hNumToPrint + 1], a - inc de - ld a, [de] - ld [hNumToPrint + 2], a - jr .start - -.word - ld a, [de] - ld [hNumToPrint + 1], a - inc de - ld a, [de] - ld [hNumToPrint + 2], a - jr .start - -.byte - ld a, [de] - ld [hNumToPrint + 2], a - -.start - push de - - ld d, b - ld a, c - ld b, a - xor a - ld c, a - ld a, b - - cp 2 - jr z, .tens - cp 3 - jr z, .hundreds - cp 4 - jr z, .thousands - cp 5 - jr z, .ten_thousands - cp 6 - jr z, .hundred_thousands - -print_digit: macro - -if (\1) / $10000 - ld a, \1 / $10000 % $100 -else xor a -endc - ld [hPowerOf10 + 0], a - -if (\1) / $100 - ld a, \1 / $100 % $100 -else xor a -endc - ld [hPowerOf10 + 1], a - - ld a, \1 / $1 % $100 - ld [hPowerOf10 + 2], a - - call .PrintDigit - call .NextDigit -endm - -.millions print_digit 1000000 -.hundred_thousands print_digit 100000 -.ten_thousands print_digit 10000 -.thousands print_digit 1000 -.hundreds print_digit 100 - -.tens - ld c, 0 - ld a, [hNumToPrint + 2] -.mod - cp 10 - jr c, .ok - sub 10 - inc c - jr .mod -.ok - - ld b, a - ld a, [hPastLeadingZeros] - or c - ld [hPastLeadingZeros], a - jr nz, .past - call .PrintLeadingZero - jr .next -.past - ld a, "0" - add c - ld [hl], a -.next - - call .NextDigit -.ones - ld a, "0" - add b - ld [hli], a - pop de - dec de - pop bc - ret - -.PrintDigit: -; Divide by the current decimal place. -; Print the quotient, and keep the modulus. - ld c, 0 -.loop - ld a, [hPowerOf10] - ld b, a - ld a, [hNumToPrint] - ld [hSavedNumToPrint], a - cp b - jr c, .underflow0 - sub b - ld [hNumToPrint], a - ld a, [hPowerOf10 + 1] - ld b, a - ld a, [hNumToPrint + 1] - ld [hSavedNumToPrint + 1], a - cp b - jr nc, .noborrow1 - - ld a, [hNumToPrint] - or 0 - jr z, .underflow1 - dec a - ld [hNumToPrint], a - ld a, [hNumToPrint + 1] -.noborrow1 - - sub b - ld [hNumToPrint + 1], a - ld a, [hPowerOf10 + 2] - ld b, a - ld a, [hNumToPrint + 2] - ld [hSavedNumToPrint + 2], a - cp b - jr nc, .noborrow2 - - ld a, [hNumToPrint + 1] - and a - jr nz, .borrowed - - ld a, [hNumToPrint] - and a - jr z, .underflow2 - dec a - ld [hNumToPrint], a - xor a -.borrowed - - dec a - ld [hNumToPrint + 1], a - ld a, [hNumToPrint + 2] -.noborrow2 - sub b - ld [hNumToPrint + 2], a - inc c - jr .loop - -.underflow2 - ld a, [hSavedNumToPrint + 1] - ld [hNumToPrint + 1], a -.underflow1 - ld a, [hSavedNumToPrint] - ld [hNumToPrint], a -.underflow0 - ld a, [hPastLeadingZeros] - or c - jr z, .PrintLeadingZero - - ld a, "0" - add c - ld [hl], a - ld [hPastLeadingZeros], a - ret - -.PrintLeadingZero: - bit BIT_LEADING_ZEROES, d - ret z - ld [hl], "0" - ret - -.NextDigit: -; Increment unless the number is left-aligned, -; leading zeroes are not printed, and no digits -; have been printed yet. - bit BIT_LEADING_ZEROES, d - jr nz, .inc - bit BIT_LEFT_ALIGN, d - jr z, .inc - ld a, [hPastLeadingZeros] - and a - ret z -.inc - inc hl - ret - +INCLUDE "home/print_num.asm" CallFunctionInTable:: ; Call function a in jumptable hl. @@ -4333,7 +1592,6 @@ CallFunctionInTable:: pop hl ret - IsInArray:: ; Search an array at hl for the value in a. ; Entry size is de bytes. @@ -4360,7 +1618,6 @@ IsInRestOfArray:: scf ret - RestoreScreenTilesAndReloadTilePatterns:: call ClearSprites ld a, $1 @@ -4371,7 +1628,6 @@ RestoreScreenTilesAndReloadTilePatterns:: call RunDefaultPaletteCommand jr Delay3 - GBPalWhiteOutWithDelay3:: call GBPalWhiteOut @@ -4397,7 +1653,6 @@ GBPalWhiteOut:: ld [rOBP1], a ret - RunDefaultPaletteCommand:: ld b, $ff RunPaletteCommand:: @@ -4441,7 +1696,6 @@ ReloadMapSpriteTilePatterns:: call LoadFontTilePatterns jp UpdateSprites - GiveItem:: ; Give player quantity c of item b, ; and copy the item's name to wcf4b. @@ -4469,7 +1723,6 @@ GivePokemon:: ld [wMonDataLocation], a jpba _GivePokemon - Random:: ; Return a random number in a. ; For battles, use BattleRandom. @@ -4483,10 +1736,8 @@ Random:: pop hl ret - INCLUDE "home/predef.asm" - UpdateCinnabarGymGateTileBlocks:: jpba UpdateCinnabarGymGateTileBlocks_ @@ -4554,72 +1805,4 @@ SetMapTextPointer:: ld [wMapTextPtr + 1], a ret -TextPredefs:: -const_value = 1 - - add_tx_pre CardKeySuccessText ; 01 - add_tx_pre CardKeyFailText ; 02 - add_tx_pre RedBedroomPCText ; 03 - add_tx_pre RedBedroomSNESText ; 04 - add_tx_pre PushStartText ; 05 - add_tx_pre SaveOptionText ; 06 - add_tx_pre StrengthsAndWeaknessesText ; 07 - add_tx_pre OakLabEmailText ; 08 - add_tx_pre AerodactylFossilText ; 09 - add_tx_pre Route15UpstairsBinocularsText ; 0A - add_tx_pre KabutopsFossilText ; 0B - add_tx_pre GymStatueText1 ; 0C - add_tx_pre GymStatueText2 ; 0D - add_tx_pre BookcaseText ; 0E - add_tx_pre ViridianCityPokecenterBenchGuyText ; 0F - add_tx_pre PewterCityPokecenterBenchGuyText ; 10 - add_tx_pre CeruleanCityPokecenterBenchGuyText ; 11 - add_tx_pre LavenderCityPokecenterBenchGuyText ; 12 - add_tx_pre VermilionCityPokecenterBenchGuyText ; 13 - add_tx_pre CeladonCityPokecenterBenchGuyText ; 14 - add_tx_pre CeladonCityHotelText ; 15 - add_tx_pre FuchsiaCityPokecenterBenchGuyText ; 16 - add_tx_pre CinnabarIslandPokecenterBenchGuyText ; 17 - add_tx_pre SaffronCityPokecenterBenchGuyText ; 18 - add_tx_pre MtMoonPokecenterBenchGuyText ; 19 - add_tx_pre RockTunnelPokecenterBenchGuyText ; 1A - add_tx_pre UnusedBenchGuyText1 ; 1B XXX unused - add_tx_pre UnusedBenchGuyText2 ; 1C XXX unused - add_tx_pre UnusedBenchGuyText3 ; 1D XXX unused - add_tx_pre UnusedPredefText ; 1E XXX unused - add_tx_pre PokemonCenterPCText ; 1F - add_tx_pre ViridianSchoolNotebook ; 20 - add_tx_pre ViridianSchoolBlackboard ; 21 - add_tx_pre JustAMomentText ; 22 - add_tx_pre OpenBillsPCText ; 23 - add_tx_pre FoundHiddenItemText ; 24 - add_tx_pre HiddenItemBagFullText ; 25 XXX unused - add_tx_pre VermilionGymTrashText ; 26 - add_tx_pre IndigoPlateauHQText ; 27 - add_tx_pre GameCornerOutOfOrderText ; 28 - add_tx_pre GameCornerOutToLunchText ; 29 - add_tx_pre GameCornerSomeonesKeysText ; 2A - add_tx_pre FoundHiddenCoinsText ; 2B - add_tx_pre DroppedHiddenCoinsText ; 2C - add_tx_pre BillsHouseMonitorText ; 2D - add_tx_pre BillsHouseInitiatedText ; 2E - add_tx_pre BillsHousePokemonList ; 2F - add_tx_pre MagazinesText ; 30 - add_tx_pre CinnabarGymQuiz ; 31 - add_tx_pre GameCornerNoCoinsText ; 32 - add_tx_pre GameCornerCoinCaseText ; 33 - add_tx_pre LinkCableHelp ; 34 - add_tx_pre TMNotebook ; 35 - add_tx_pre FightingDojoText ; 36 - add_tx_pre EnemiesOnEverySideText ; 37 - add_tx_pre WhatGoesAroundComesAroundText ; 38 - add_tx_pre NewBicycleText ; 39 - add_tx_pre IndigoPlateauStatues ; 3A - add_tx_pre VermilionGymTrashSuccessText1 ; 3B - add_tx_pre VermilionGymTrashSuccessText2 ; 3C XXX unused - add_tx_pre VermilionGymTrashSuccessText3 ; 3D - add_tx_pre VermilionGymTrashFailText ; 3E - add_tx_pre TownMapText ; 3F - add_tx_pre BookOrSculptureText ; 40 - add_tx_pre ElevatorText ; 41 - add_tx_pre PokemonStuffText ; 42 +INCLUDE "data/text_predef_pointers.asm" diff --git a/home/bankswitch.asm b/home/bankswitch.asm new file mode 100644 index 000000000..086ca2f33 --- /dev/null +++ b/home/bankswitch.asm @@ -0,0 +1,35 @@ +BankswitchHome:: +; switches to bank # in a +; Only use this when in the home bank! + ld [wBankswitchHomeTemp], a + ld a, [hLoadedROMBank] + ld [wBankswitchHomeSavedROMBank], a + ld a, [wBankswitchHomeTemp] + ld [hLoadedROMBank], a + ld [MBC1RomBank], a + ret + +BankswitchBack:: +; returns from BankswitchHome + ld a, [wBankswitchHomeSavedROMBank] + ld [hLoadedROMBank], a + ld [MBC1RomBank], a + ret + +Bankswitch:: +; self-contained bankswitch, use this when not in the home bank +; switches to the bank in b + ld a, [hLoadedROMBank] + push af + ld a, b + ld [hLoadedROMBank], a + ld [MBC1RomBank], a + ld bc, .Return + push bc + jp hl +.Return + pop bc + ld a, b + ld [hLoadedROMBank], a + ld [MBC1RomBank], a + ret diff --git a/home/list_menu.asm b/home/list_menu.asm new file mode 100644 index 000000000..68335ed53 --- /dev/null +++ b/home/list_menu.asm @@ -0,0 +1,526 @@ +; INPUT: +; [wListMenuID] = list menu ID +; [wListPointer] = address of the list (2 bytes) +DisplayListMenuID:: + xor a + ld [hAutoBGTransferEnabled], a ; disable auto-transfer + ld a, 1 + ld [hJoy7], a ; joypad state update flag + ld a, [wBattleType] + and a ; is it the Old Man battle? + jr nz, .specialBattleType + ld a, $01 ; hardcoded bank + jr .bankswitch +.specialBattleType ; Old Man battle + ld a, BANK(DisplayBattleMenu) +.bankswitch + call BankswitchHome + ld hl, wd730 + set 6, [hl] ; turn off letter printing delay + xor a + ld [wMenuItemToSwap], a ; 0 means no item is currently being swapped + ld [wListCount], a + ld a, [wListPointer] + ld l, a + ld a, [wListPointer + 1] + ld h, a ; hl = address of the list + ld a, [hl] ; the first byte is the number of entries in the list + ld [wListCount], a + ld a, LIST_MENU_BOX + ld [wTextBoxID], a + call DisplayTextBoxID ; draw the menu text box + call UpdateSprites ; disable sprites behind the text box +; the code up to .skipMovingSprites appears to be useless + coord hl, 4, 2 ; coordinates of upper left corner of menu text box + lb de, 9, 14 ; height and width of menu text box + ld a, [wListMenuID] + and a ; is it a PC pokemon list? + jr nz, .skipMovingSprites + call UpdateSprites +.skipMovingSprites + ld a, 1 ; max menu item ID is 1 if the list has less than 2 entries + ld [wMenuWatchMovingOutOfBounds], a + ld a, [wListCount] + cp 2 ; does the list have less than 2 entries? + jr c, .setMenuVariables + ld a, 2 ; max menu item ID is 2 if the list has at least 2 entries +.setMenuVariables + ld [wMaxMenuItem], a + ld a, 4 + ld [wTopMenuItemY], a + ld a, 5 + ld [wTopMenuItemX], a + ld a, A_BUTTON | B_BUTTON | SELECT + ld [wMenuWatchedKeys], a + ld c, 10 + call DelayFrames + +DisplayListMenuIDLoop:: + xor a + ld [hAutoBGTransferEnabled], a ; disable transfer + call PrintListMenuEntries + ld a, 1 + ld [hAutoBGTransferEnabled], a ; enable transfer + call Delay3 + ld a, [wBattleType] + and a ; is it the Old Man battle? + jr z, .notOldManBattle +.oldManBattle + ld a, "▶" + Coorda 5, 4 ; place menu cursor in front of first menu entry + ld c, 80 + call DelayFrames + xor a + ld [wCurrentMenuItem], a + coord hl, 5, 4 + ld a, l + ld [wMenuCursorLocation], a + ld a, h + ld [wMenuCursorLocation + 1], a + jr .buttonAPressed +.notOldManBattle + call LoadGBPal + call HandleMenuInput + push af + call PlaceMenuCursor + pop af + bit 0, a ; was the A button pressed? + jp z, .checkOtherKeys +.buttonAPressed + ld a, [wCurrentMenuItem] + call PlaceUnfilledArrowMenuCursor + +; pointless because both values are overwritten before they are read + ld a, $01 + ld [wMenuExitMethod], a + ld [wChosenMenuItem], a + + xor a + ld [wMenuWatchMovingOutOfBounds], a + ld a, [wCurrentMenuItem] + ld c, a + ld a, [wListScrollOffset] + add c + ld c, a + ld a, [wListCount] + and a ; is the list empty? + jp z, ExitListMenu ; if so, exit the menu + dec a + cp c ; did the player select Cancel? + jp c, ExitListMenu ; if so, exit the menu + ld a, c + ld [wWhichPokemon], a + ld a, [wListMenuID] + cp ITEMLISTMENU + jr nz, .skipMultiplying +; if it's an item menu + sla c ; item entries are 2 bytes long, so multiply by 2 +.skipMultiplying + ld a, [wListPointer] + ld l, a + ld a, [wListPointer + 1] + ld h, a + inc hl ; hl = beginning of list entries + ld b, 0 + add hl, bc + ld a, [hl] + ld [wcf91], a + ld a, [wListMenuID] + and a ; is it a PC pokemon list? + jr z, .pokemonList + push hl + call GetItemPrice + pop hl + ld a, [wListMenuID] + cp ITEMLISTMENU + jr nz, .skipGettingQuantity +; if it's an item menu + inc hl + ld a, [hl] ; a = item quantity + ld [wMaxItemQuantity], a +.skipGettingQuantity + ld a, [wcf91] + ld [wd0b5], a + ld a, BANK(ItemNames) + ld [wPredefBank], a + call GetName + jr .storeChosenEntry +.pokemonList + ld hl, wPartyCount + ld a, [wListPointer] + cp l ; is it a list of party pokemon or box pokemon? + ld hl, wPartyMonNicks + jr z, .getPokemonName + ld hl, wBoxMonNicks ; box pokemon names +.getPokemonName + ld a, [wWhichPokemon] + call GetPartyMonName +.storeChosenEntry ; store the menu entry that the player chose and return + ld de, wcd6d + call CopyStringToCF4B ; copy name to wcf4b + ld a, CHOSE_MENU_ITEM + ld [wMenuExitMethod], a + ld a, [wCurrentMenuItem] + ld [wChosenMenuItem], a + xor a + ld [hJoy7], a ; joypad state update flag + ld hl, wd730 + res 6, [hl] ; turn on letter printing delay + jp BankswitchBack +.checkOtherKeys ; check B, SELECT, Up, and Down keys + bit 1, a ; was the B button pressed? + jp nz, ExitListMenu ; if so, exit the menu + bit 2, a ; was the select button pressed? + jp nz, HandleItemListSwapping ; if so, allow the player to swap menu entries + ld b, a + bit 7, b ; was Down pressed? + ld hl, wListScrollOffset + jr z, .upPressed +.downPressed + ld a, [hl] + add 3 + ld b, a + ld a, [wListCount] + cp b ; will going down scroll past the Cancel button? + jp c, DisplayListMenuIDLoop + inc [hl] ; if not, go down + jp DisplayListMenuIDLoop +.upPressed + ld a, [hl] + and a + jp z, DisplayListMenuIDLoop + dec [hl] + jp DisplayListMenuIDLoop + +DisplayChooseQuantityMenu:: +; text box dimensions/coordinates for just quantity + coord hl, 15, 9 + ld b, 1 ; height + ld c, 3 ; width + ld a, [wListMenuID] + cp PRICEDITEMLISTMENU + jr nz, .drawTextBox +; text box dimensions/coordinates for quantity and price + coord hl, 7, 9 + ld b, 1 ; height + ld c, 11 ; width +.drawTextBox + call TextBoxBorder + coord hl, 16, 10 + ld a, [wListMenuID] + cp PRICEDITEMLISTMENU + jr nz, .printInitialQuantity + coord hl, 8, 10 +.printInitialQuantity + ld de, InitialQuantityText + call PlaceString + xor a + ld [wItemQuantity], a ; initialize current quantity to 0 + jp .incrementQuantity +.waitForKeyPressLoop + call JoypadLowSensitivity + ld a, [hJoyPressed] ; newly pressed buttons + bit 0, a ; was the A button pressed? + jp nz, .buttonAPressed + bit 1, a ; was the B button pressed? + jp nz, .buttonBPressed + bit 6, a ; was Up pressed? + jr nz, .incrementQuantity + bit 7, a ; was Down pressed? + jr nz, .decrementQuantity + jr .waitForKeyPressLoop +.incrementQuantity + ld a, [wMaxItemQuantity] + inc a + ld b, a + ld hl, wItemQuantity ; current quantity + inc [hl] + ld a, [hl] + cp b + jr nz, .handleNewQuantity +; wrap to 1 if the player goes above the max quantity + ld a, 1 + ld [hl], a + jr .handleNewQuantity +.decrementQuantity + ld hl, wItemQuantity ; current quantity + dec [hl] + jr nz, .handleNewQuantity +; wrap to the max quantity if the player goes below 1 + ld a, [wMaxItemQuantity] + ld [hl], a +.handleNewQuantity + coord hl, 17, 10 + ld a, [wListMenuID] + cp PRICEDITEMLISTMENU + jr nz, .printQuantity +.printPrice + ld c, $03 + ld a, [wItemQuantity] + ld b, a + ld hl, hMoney ; total price +; initialize total price to 0 + xor a + ld [hli], a + ld [hli], a + ld [hl], a +.addLoop ; loop to multiply the individual price by the quantity to get the total price + ld de, hMoney + 2 + ld hl, hItemPrice + 2 + push bc + predef AddBCDPredef ; add the individual price to the current sum + pop bc + dec b + jr nz, .addLoop + ld a, [hHalveItemPrices] + and a ; should the price be halved (for selling items)? + jr z, .skipHalvingPrice + xor a + ld [hDivideBCDDivisor], a + ld [hDivideBCDDivisor + 1], a + ld a, $02 + ld [hDivideBCDDivisor + 2], a + predef DivideBCDPredef3 ; halves the price +; store the halved price + ld a, [hDivideBCDQuotient] + ld [hMoney], a + ld a, [hDivideBCDQuotient + 1] + ld [hMoney + 1], a + ld a, [hDivideBCDQuotient + 2] + ld [hMoney + 2], a +.skipHalvingPrice + coord hl, 12, 10 + ld de, SpacesBetweenQuantityAndPriceText + call PlaceString + ld de, hMoney ; total price + ld c, $a3 + call PrintBCDNumber + coord hl, 9, 10 +.printQuantity + ld de, wItemQuantity ; current quantity + lb bc, LEADING_ZEROES | 1, 2 ; 1 byte, 2 digits + call PrintNumber + jp .waitForKeyPressLoop +.buttonAPressed ; the player chose to make the transaction + xor a + ld [wMenuItemToSwap], a ; 0 means no item is currently being swapped + ret +.buttonBPressed ; the player chose to cancel the transaction + xor a + ld [wMenuItemToSwap], a ; 0 means no item is currently being swapped + ld a, $ff + ret + +InitialQuantityText:: + db "×01@" + +SpacesBetweenQuantityAndPriceText:: + db " @" + +ExitListMenu:: + ld a, [wCurrentMenuItem] + ld [wChosenMenuItem], a + ld a, CANCELLED_MENU + ld [wMenuExitMethod], a + ld [wMenuWatchMovingOutOfBounds], a + xor a + ld [hJoy7], a + ld hl, wd730 + res 6, [hl] + call BankswitchBack + xor a + ld [wMenuItemToSwap], a ; 0 means no item is currently being swapped + scf + ret + +PrintListMenuEntries:: + coord hl, 5, 3 + ld b, 9 + ld c, 14 + call ClearScreenArea + ld a, [wListPointer] + ld e, a + ld a, [wListPointer + 1] + ld d, a + inc de ; de = beginning of list entries + ld a, [wListScrollOffset] + ld c, a + ld a, [wListMenuID] + cp ITEMLISTMENU + ld a, c + jr nz, .skipMultiplying +; if it's an item menu +; item entries are 2 bytes long, so multiply by 2 + sla a + sla c +.skipMultiplying + add e + ld e, a + jr nc, .noCarry + inc d +.noCarry + coord hl, 6, 4 ; coordinates of first list entry name + ld b, 4 ; print 4 names +.loop + ld a, b + ld [wWhichPokemon], a + ld a, [de] + ld [wd11e], a + cp $ff + jp z, .printCancelMenuItem + push bc + push de + push hl + push hl + push de + ld a, [wListMenuID] + and a + jr z, .pokemonPCMenu + cp MOVESLISTMENU + jr z, .movesMenu +.itemMenu + call GetItemName + jr .placeNameString +.pokemonPCMenu + push hl + ld hl, wPartyCount + ld a, [wListPointer] + cp l ; is it a list of party pokemon or box pokemon? + ld hl, wPartyMonNicks + jr z, .getPokemonName + ld hl, wBoxMonNicks ; box pokemon names +.getPokemonName + ld a, [wWhichPokemon] + ld b, a + ld a, 4 + sub b + ld b, a + ld a, [wListScrollOffset] + add b + call GetPartyMonName + pop hl + jr .placeNameString +.movesMenu + call GetMoveName +.placeNameString + call PlaceString + pop de + pop hl + ld a, [wPrintItemPrices] + and a ; should prices be printed? + jr z, .skipPrintingItemPrice +.printItemPrice + push hl + ld a, [de] + ld de, ItemPrices + ld [wcf91], a + call GetItemPrice ; get price + pop hl + ld bc, SCREEN_WIDTH + 5 ; 1 row down and 5 columns right + add hl, bc + ld c, $a3 ; no leading zeroes, right-aligned, print currency symbol, 3 bytes + call PrintBCDNumber +.skipPrintingItemPrice + ld a, [wListMenuID] + and a + jr nz, .skipPrintingPokemonLevel +.printPokemonLevel + ld a, [wd11e] + push af + push hl + ld hl, wPartyCount + ld a, [wListPointer] + cp l ; is it a list of party pokemon or box pokemon? + ld a, PLAYER_PARTY_DATA + jr z, .next + ld a, BOX_DATA +.next + ld [wMonDataLocation], a + ld hl, wWhichPokemon + ld a, [hl] + ld b, a + ld a, $04 + sub b + ld b, a + ld a, [wListScrollOffset] + add b + ld [hl], a + call LoadMonData + ld a, [wMonDataLocation] + and a ; is it a list of party pokemon or box pokemon? + jr z, .skipCopyingLevel +.copyLevel + ld a, [wLoadedMonBoxLevel] + ld [wLoadedMonLevel], a +.skipCopyingLevel + pop hl + ld bc, $001c + add hl, bc + call PrintLevel + pop af + ld [wd11e], a +.skipPrintingPokemonLevel + pop hl + pop de + inc de + ld a, [wListMenuID] + cp ITEMLISTMENU + jr nz, .nextListEntry +.printItemQuantity + ld a, [wd11e] + ld [wcf91], a + call IsKeyItem ; check if item is unsellable + ld a, [wIsKeyItem] + and a ; is the item unsellable? + jr nz, .skipPrintingItemQuantity ; if so, don't print the quantity + push hl + ld bc, SCREEN_WIDTH + 8 ; 1 row down and 8 columns right + add hl, bc + ld a, "×" + ld [hli], a + ld a, [wd11e] + push af + ld a, [de] + ld [wMaxItemQuantity], a + push de + ld de, wd11e + ld [de], a + lb bc, 1, 2 + call PrintNumber + pop de + pop af + ld [wd11e], a + pop hl +.skipPrintingItemQuantity + inc de + pop bc + inc c + push bc + inc c + ld a, [wMenuItemToSwap] ; ID of item chosen for swapping (counts from 1) + and a ; is an item being swapped? + jr z, .nextListEntry + sla a + cp c ; is it this item? + jr nz, .nextListEntry + dec hl + ld a, $ec ; unfilled right arrow menu cursor to indicate an item being swapped + ld [hli], a +.nextListEntry + ld bc, 2 * SCREEN_WIDTH ; 2 rows + add hl, bc + pop bc + inc c + dec b + jp nz, .loop + ld bc, -8 + add hl, bc + ld a, "▼" + ld [hl], a + ret +.printCancelMenuItem + ld de, ListMenuCancelText + jp PlaceString + +ListMenuCancelText:: + db "CANCEL@" diff --git a/home/move_mon.asm b/home/move_mon.asm new file mode 100644 index 000000000..e13ebf4e4 --- /dev/null +++ b/home/move_mon.asm @@ -0,0 +1,242 @@ +; Function to remove a pokemon from the party or the current box. +; wWhichPokemon determines the pokemon. +; [wRemoveMonFromBox] == 0 specifies the party. +; [wRemoveMonFromBox] != 0 specifies the current box. +RemovePokemon:: + jpab _RemovePokemon + +AddPartyMon:: + push hl + push de + push bc + callba _AddPartyMon + pop bc + pop de + pop hl + ret + +; calculates all 5 stats of current mon and writes them to [de] +CalcStats:: + ld c, $0 +.statsLoop + inc c + call CalcStat + ld a, [hMultiplicand+1] + ld [de], a + inc de + ld a, [hMultiplicand+2] + ld [de], a + inc de + ld a, c + cp NUM_STATS + jr nz, .statsLoop + ret + +; calculates stat c of current mon +; c: stat to calc (HP=1,Atk=2,Def=3,Spd=4,Spc=5) +; b: consider stat exp? +; hl: base ptr to stat exp values ([hl + 2*c - 1] and [hl + 2*c]) +CalcStat:: + push hl + push de + push bc + ld a, b + ld d, a + push hl + ld hl, wMonHeader + ld b, $0 + add hl, bc + ld a, [hl] ; read base value of stat + ld e, a + pop hl + push hl + sla c + ld a, d + and a + jr z, .statExpDone ; consider stat exp? + add hl, bc ; skip to corresponding stat exp value +.statExpLoop ; calculates ceil(Sqrt(stat exp)) in b + xor a + ld [hMultiplicand], a + ld [hMultiplicand+1], a + inc b ; increment current stat exp bonus + ld a, b + cp $ff + jr z, .statExpDone + ld [hMultiplicand+2], a + ld [hMultiplier], a + call Multiply + ld a, [hld] + ld d, a + ld a, [hProduct + 3] + sub d + ld a, [hli] + ld d, a + ld a, [hProduct + 2] + sbc d ; test if (current stat exp bonus)^2 < stat exp + jr c, .statExpLoop +.statExpDone + srl c + pop hl + push bc + ld bc, wPartyMon1DVs - (wPartyMon1HPExp - 1) ; also wEnemyMonDVs - wEnemyMonHP + add hl, bc + pop bc + ld a, c + cp $2 + jr z, .getAttackIV + cp $3 + jr z, .getDefenseIV + cp $4 + jr z, .getSpeedIV + cp $5 + jr z, .getSpecialIV +.getHpIV + push bc + ld a, [hl] ; Atk IV + swap a + and $1 + sla a + sla a + sla a + ld b, a + ld a, [hli] ; Def IV + and $1 + sla a + sla a + add b + ld b, a + ld a, [hl] ; Spd IV + swap a + and $1 + sla a + add b + ld b, a + ld a, [hl] ; Spc IV + and $1 + add b ; HP IV: LSB of the other 4 IVs + pop bc + jr .calcStatFromIV +.getAttackIV + ld a, [hl] + swap a + and $f + jr .calcStatFromIV +.getDefenseIV + ld a, [hl] + and $f + jr .calcStatFromIV +.getSpeedIV + inc hl + ld a, [hl] + swap a + and $f + jr .calcStatFromIV +.getSpecialIV + inc hl + ld a, [hl] + and $f +.calcStatFromIV + ld d, $0 + add e + ld e, a + jr nc, .noCarry + inc d ; de = Base + IV +.noCarry + sla e + rl d ; de = (Base + IV) * 2 + srl b + srl b ; b = ceil(Sqrt(stat exp)) / 4 + ld a, b + add e + jr nc, .noCarry2 + inc d ; de = (Base + IV) * 2 + ceil(Sqrt(stat exp)) / 4 +.noCarry2 + ld [hMultiplicand+2], a + ld a, d + ld [hMultiplicand+1], a + xor a + ld [hMultiplicand], a + ld a, [wCurEnemyLVL] + ld [hMultiplier], a + call Multiply ; ((Base + IV) * 2 + ceil(Sqrt(stat exp)) / 4) * Level + ld a, [hMultiplicand] + ld [hDividend], a + ld a, [hMultiplicand+1] + ld [hDividend+1], a + ld a, [hMultiplicand+2] + ld [hDividend+2], a + ld a, $64 + ld [hDivisor], a + ld a, $3 + ld b, a + call Divide ; (((Base + IV) * 2 + ceil(Sqrt(stat exp)) / 4) * Level) / 100 + ld a, c + cp $1 + ld a, 5 ; + 5 for non-HP stat + jr nz, .notHPStat + ld a, [wCurEnemyLVL] + ld b, a + ld a, [hMultiplicand+2] + add b + ld [hMultiplicand+2], a + jr nc, .noCarry3 + ld a, [hMultiplicand+1] + inc a + ld [hMultiplicand+1], a ; HP: (((Base + IV) * 2 + ceil(Sqrt(stat exp)) / 4) * Level) / 100 + Level +.noCarry3 + ld a, 10 ; +10 for HP stat +.notHPStat + ld b, a + ld a, [hMultiplicand+2] + add b + ld [hMultiplicand+2], a + jr nc, .noCarry4 + ld a, [hMultiplicand+1] + inc a ; non-HP: (((Base + IV) * 2 + ceil(Sqrt(stat exp)) / 4) * Level) / 100 + 5 + ld [hMultiplicand+1], a ; HP: (((Base + IV) * 2 + ceil(Sqrt(stat exp)) / 4) * Level) / 100 + Level + 10 +.noCarry4 + ld a, [hMultiplicand+1] ; check for overflow (>999) + cp 999 / $100 + 1 + jr nc, .overflow + cp 999 / $100 + jr c, .noOverflow + ld a, [hMultiplicand+2] + cp 999 % $100 + 1 + jr c, .noOverflow +.overflow + ld a, 999 / $100 ; overflow: cap at 999 + ld [hMultiplicand+1], a + ld a, 999 % $100 + ld [hMultiplicand+2], a +.noOverflow + pop bc + pop de + pop hl + ret + +AddEnemyMonToPlayerParty:: + ld a, [hLoadedROMBank] + push af + ld a, BANK(_AddEnemyMonToPlayerParty) + ld [hLoadedROMBank], a + ld [MBC1RomBank], a + call _AddEnemyMonToPlayerParty + pop bc + ld a, b + ld [hLoadedROMBank], a + ld [MBC1RomBank], a + ret + +MoveMon:: + ld a, [hLoadedROMBank] + push af + ld a, BANK(_MoveMon) + ld [hLoadedROMBank], a + ld [MBC1RomBank], a + call _MoveMon + pop bc + ld a, b + ld [hLoadedROMBank], a + ld [MBC1RomBank], a + ret diff --git a/home/names.asm b/home/names.asm new file mode 100644 index 000000000..cbc8910b8 --- /dev/null +++ b/home/names.asm @@ -0,0 +1,141 @@ +GetMonName:: + push hl + ld a, [hLoadedROMBank] + push af + ld a, BANK(MonsterNames) + ld [hLoadedROMBank], a + ld [MBC1RomBank], a + ld a, [wd11e] + dec a + ld hl, MonsterNames + ld c, 10 + ld b, 0 + call AddNTimes + ld de, wcd6d + push de + ld bc, 10 + call CopyData + ld hl, wcd6d + 10 + ld [hl], "@" + pop de + pop af + ld [hLoadedROMBank], a + ld [MBC1RomBank], a + pop hl + ret + +GetItemName:: +; given an item ID at [wd11e], store the name of the item into a string +; starting at wcd6d + push hl + push bc + ld a, [wd11e] + cp HM_01 ; is this a TM/HM? + jr nc, .Machine + + ld [wd0b5], a + ld a, ITEM_NAME + ld [wNameListType], a + ld a, BANK(ItemNames) + ld [wPredefBank], a + call GetName + jr .Finish + +.Machine + call GetMachineName +.Finish + ld de, wcd6d ; pointer to where item name is stored in RAM + pop bc + pop hl + ret + +GetMachineName:: +; copies the name of the TM/HM in [wd11e] to wcd6d + push hl + push de + push bc + ld a, [wd11e] + push af + cp TM_01 ; is this a TM? [not HM] + jr nc, .WriteTM +; if HM, then write "HM" and add 5 to the item ID, so we can reuse the +; TM printing code + add 5 + ld [wd11e], a + ld hl, HiddenPrefix ; points to "HM" + ld bc, 2 + jr .WriteMachinePrefix +.WriteTM + ld hl, TechnicalPrefix ; points to "TM" + ld bc, 2 +.WriteMachinePrefix + ld de, wcd6d + call CopyData + +; now get the machine number and convert it to text + ld a, [wd11e] + sub TM_01 - 1 + ld b, "0" +.FirstDigit + sub 10 + jr c, .SecondDigit + inc b + jr .FirstDigit +.SecondDigit + add 10 + push af + ld a, b + ld [de], a + inc de + pop af + ld b, "0" + add b + ld [de], a + inc de + ld a, "@" + ld [de], a + pop af + ld [wd11e], a + pop bc + pop de + pop hl + ret + +TechnicalPrefix:: + db "TM" +HiddenPrefix:: + db "HM" + +; sets carry if item is HM, clears carry if item is not HM +; Input: a = item ID +IsItemHM:: + cp HM_01 + jr c, .notHM + cp TM_01 + ret +.notHM + and a + ret + +; sets carry if move is an HM, clears carry if move is not an HM +; Input: a = move ID +IsMoveHM:: + ld hl, HMMoves + ld de, 1 + jp IsInArray + +HMMoves:: +INCLUDE "data/moves/hm_moves.asm" + +GetMoveName:: + push hl + ld a, MOVE_NAME + ld [wNameListType], a + ld a, [wd11e] + ld [wd0b5], a + ld a, BANK(MoveNames) + ld [wPredefBank], a + call GetName + ld de, wcd6d ; pointer to where move name is stored in RAM + pop hl + ret diff --git a/home/names2.asm b/home/names2.asm new file mode 100644 index 000000000..178a0780d --- /dev/null +++ b/home/names2.asm @@ -0,0 +1,93 @@ +NamePointers:: + dw MonsterNames + dw MoveNames + dw UnusedNames + dw ItemNames + dw wPartyMonOT ; player's OT names list + dw wEnemyMonOT ; enemy's OT names list + dw TrainerNames + +GetName:: +; arguments: +; [wd0b5] = which name +; [wNameListType] = which list +; [wPredefBank] = bank of list +; +; returns pointer to name in de + ld a, [wd0b5] + ld [wd11e], a + + ; TM names are separate from item names. + ; BUG: This applies to all names instead of just items. + cp HM_01 + jp nc, GetMachineName + + ld a, [hLoadedROMBank] + push af + push hl + push bc + push de + ld a, [wNameListType] ;List3759_entrySelector + dec a + jr nz, .otherEntries + ;1 = MON_NAMES + call GetMonName + ld hl, NAME_LENGTH + add hl, de + ld e, l + ld d, h + jr .gotPtr +.otherEntries + ;2-7 = OTHER ENTRIES + ld a, [wPredefBank] + ld [hLoadedROMBank], a + ld [MBC1RomBank], a + ld a, [wNameListType] ;VariousNames' entryID + dec a + add a + ld d, 0 + ld e, a + jr nc, .skip + inc d +.skip + ld hl, NamePointers + add hl, de + ld a, [hli] + ld [hSwapTemp + 1], a + ld a, [hl] + ld [hSwapTemp], a + ld a, [hSwapTemp] + ld h, a + ld a, [hSwapTemp + 1] + ld l, a + ld a, [wd0b5] + ld b, a + ld c, 0 +.nextName + ld d, h + ld e, l +.nextChar + ld a, [hli] + cp "@" + jr nz, .nextChar + inc c ;entry counter + ld a, b ;wanted entry + cp c + jr nz, .nextName + ld h, d + ld l, e + ld de, wcd6d + ld bc, $0014 + call CopyData +.gotPtr + ld a, e + ld [wUnusedCF8D], a + ld a, d + ld [wUnusedCF8D + 1], a + pop de + pop bc + pop hl + pop af + ld [hLoadedROMBank], a + ld [MBC1RomBank], a + ret diff --git a/home/overworld_text.asm b/home/overworld_text.asm new file mode 100644 index 000000000..b32335f7c --- /dev/null +++ b/home/overworld_text.asm @@ -0,0 +1,31 @@ +TextScriptEndingChar:: + db "@" + +TextScriptEnd:: + ld hl, TextScriptEndingChar + ret + +ExclamationText:: + TX_FAR _ExclamationText + db "@" + +GroundRoseText:: + TX_FAR _GroundRoseText + db "@" + +BoulderText:: + TX_FAR _BoulderText + db "@" + +MartSignText:: + TX_FAR _MartSignText + db "@" + +PokeCenterSignText:: + TX_FAR _PokeCenterSignText + db "@" + +PickUpItemText:: + TX_ASM + predef PickUpItem + jp TextScriptEnd diff --git a/home/pokemon.asm b/home/pokemon.asm new file mode 100644 index 000000000..141baa65a --- /dev/null +++ b/home/pokemon.asm @@ -0,0 +1,464 @@ +DrawHPBar:: +; Draw an HP bar d tiles long, and fill it to e pixels. +; If c is nonzero, show at least a sliver regardless. +; The right end of the bar changes with [wHPBarType]. + + push hl + push de + push bc + + ; Left + ld a, $71 ; "HP:" + ld [hli], a + ld a, $62 + ld [hli], a + + push hl + + ; Middle + ld a, $63 ; empty +.draw + ld [hli], a + dec d + jr nz, .draw + + ; Right + ld a, [wHPBarType] + dec a + ld a, $6d ; status screen and battle + jr z, .ok + dec a ; pokemon menu +.ok + ld [hl], a + + pop hl + + ld a, e + and a + jr nz, .fill + + ; If c is nonzero, draw a pixel anyway. + ld a, c + and a + jr z, .done + ld e, 1 + +.fill + ld a, e + sub 8 + jr c, .partial + ld e, a + ld a, $6b ; full + ld [hli], a + ld a, e + and a + jr z, .done + jr .fill + +.partial + ; Fill remaining pixels at the end if necessary. + ld a, $63 ; empty + add e + ld [hl], a +.done + pop bc + pop de + pop hl + ret + + +; loads pokemon data from one of multiple sources to wLoadedMon +; loads base stats to wMonHeader +; INPUT: +; [wWhichPokemon] = index of pokemon within party/box +; [wMonDataLocation] = source +; 00: player's party +; 01: enemy's party +; 02: current box +; 03: daycare +; OUTPUT: +; [wcf91] = pokemon ID +; wLoadedMon = base address of pokemon data +; wMonHeader = base address of base stats +LoadMonData:: + jpab LoadMonData_ + +OverwritewMoves:: +; Write c to [wMoves + b]. Unused. + ld hl, wMoves + ld e, b + ld d, 0 + add hl, de + ld a, c + ld [hl], a + ret + +LoadFlippedFrontSpriteByMonIndex:: + ld a, 1 + ld [wSpriteFlipped], a + +LoadFrontSpriteByMonIndex:: + push hl + ld a, [wd11e] + push af + ld a, [wcf91] + ld [wd11e], a + predef IndexToPokedex + ld hl, wd11e + ld a, [hl] + pop bc + ld [hl], b + and a + pop hl + jr z, .invalidDexNumber ; dex #0 invalid + cp NUM_POKEMON + 1 + jr c, .validDexNumber ; dex >#151 invalid +.invalidDexNumber + ld a, RHYDON ; $1 + ld [wcf91], a + ret +.validDexNumber + push hl + ld de, vFrontPic + call LoadMonFrontSprite + pop hl + ld a, [hLoadedROMBank] + push af + ld a, BANK(CopyUncompressedPicToHL) + ld [hLoadedROMBank], a + ld [MBC1RomBank], a + xor a + ld [hStartTileID], a + call CopyUncompressedPicToHL + xor a + ld [wSpriteFlipped], a + pop af + ld [hLoadedROMBank], a + ld [MBC1RomBank], a + ret + + +PlayCry:: +; Play monster a's cry. + call GetCryData + call PlaySound + jp WaitForSoundToFinish + +GetCryData:: +; Load cry data for monster a. + dec a + ld c, a + ld b, 0 + ld hl, CryData + add hl, bc + add hl, bc + add hl, bc + + ld a, BANK(CryData) + call BankswitchHome + ld a, [hli] + ld b, a ; cry id + ld a, [hli] + ld [wFrequencyModifier], a + ld a, [hl] + ld [wTempoModifier], a + call BankswitchBack + + ; Cry headers have 3 channels, + ; and start from index CRY_SFX_START, + ; so add 3 times the cry id. + ld a, b + ld c, CRY_SFX_START + rlca ; * 2 + add b + add c + ret + +DisplayPartyMenu:: + ld a, [hTilesetType] + push af + xor a + ld [hTilesetType], a + call GBPalWhiteOutWithDelay3 + call ClearSprites + call PartyMenuInit + call DrawPartyMenu + jp HandlePartyMenuInput + +GoBackToPartyMenu:: + ld a, [hTilesetType] + push af + xor a + ld [hTilesetType], a + call PartyMenuInit + call RedrawPartyMenu + jp HandlePartyMenuInput + +PartyMenuInit:: + ld a, 1 ; hardcoded bank + call BankswitchHome + call LoadHpBarAndStatusTilePatterns + ld hl, wd730 + set 6, [hl] ; turn off letter printing delay + xor a ; PLAYER_PARTY_DATA + ld [wMonDataLocation], a + ld [wMenuWatchMovingOutOfBounds], a + ld hl, wTopMenuItemY + inc a + ld [hli], a ; top menu item Y + xor a + ld [hli], a ; top menu item X + ld a, [wPartyAndBillsPCSavedMenuItem] + push af + ld [hli], a ; current menu item ID + inc hl + ld a, [wPartyCount] + and a ; are there more than 0 pokemon in the party? + jr z, .storeMaxMenuItemID + dec a +; if party is not empty, the max menu item ID is ([wPartyCount] - 1) +; otherwise, it is 0 +.storeMaxMenuItemID + ld [hli], a ; max menu item ID + ld a, [wForcePlayerToChooseMon] + and a + ld a, A_BUTTON | B_BUTTON + jr z, .next + xor a + ld [wForcePlayerToChooseMon], a + inc a ; a = A_BUTTON +.next + ld [hli], a ; menu watched keys + pop af + ld [hl], a ; old menu item ID + ret + +HandlePartyMenuInput:: + ld a, 1 + ld [wMenuWrappingEnabled], a + ld a, $40 + ld [wPartyMenuAnimMonEnabled], a + call HandleMenuInput_ + call PlaceUnfilledArrowMenuCursor + ld b, a + xor a + ld [wPartyMenuAnimMonEnabled], a + ld a, [wCurrentMenuItem] + ld [wPartyAndBillsPCSavedMenuItem], a + ld hl, wd730 + res 6, [hl] ; turn on letter printing delay + ld a, [wMenuItemToSwap] + and a + jp nz, .swappingPokemon + pop af + ld [hTilesetType], a + bit 1, b + jr nz, .noPokemonChosen + ld a, [wPartyCount] + and a + jr z, .noPokemonChosen + ld a, [wCurrentMenuItem] + ld [wWhichPokemon], a + ld hl, wPartySpecies + ld b, 0 + ld c, a + add hl, bc + ld a, [hl] + ld [wcf91], a + ld [wBattleMonSpecies2], a + call BankswitchBack + and a + ret +.noPokemonChosen + call BankswitchBack + scf + ret +.swappingPokemon + bit 1, b ; was the B button pressed? + jr z, .handleSwap ; if not, handle swapping the pokemon +.cancelSwap ; if the B button was pressed + callba ErasePartyMenuCursors + xor a + ld [wMenuItemToSwap], a + ld [wPartyMenuTypeOrMessageID], a + call RedrawPartyMenu + jr HandlePartyMenuInput +.handleSwap + ld a, [wCurrentMenuItem] + ld [wWhichPokemon], a + callba SwitchPartyMon + jr HandlePartyMenuInput + +DrawPartyMenu:: + ld hl, DrawPartyMenu_ + jr DrawPartyMenuCommon + +RedrawPartyMenu:: + ld hl, RedrawPartyMenu_ + +DrawPartyMenuCommon:: + ld b, BANK(RedrawPartyMenu_) + jp Bankswitch + +; prints a pokemon's status condition +; INPUT: +; de = address of status condition +; hl = destination address +PrintStatusCondition:: + push de + dec de + dec de ; de = address of current HP + ld a, [de] + ld b, a + dec de + ld a, [de] + or b ; is the pokemon's HP zero? + pop de + jr nz, PrintStatusConditionNotFainted +; if the pokemon's HP is 0, print "FNT" + ld a, "F" + ld [hli], a + ld a, "N" + ld [hli], a + ld [hl], "T" + and a + ret + +PrintStatusConditionNotFainted:: + ld a, [hLoadedROMBank] + push af + ld a, BANK(PrintStatusAilment) + ld [hLoadedROMBank], a + ld [MBC1RomBank], a + call PrintStatusAilment ; print status condition + pop bc + ld a, b + ld [hLoadedROMBank], a + ld [MBC1RomBank], a + ret + +; function to print pokemon level, leaving off the ":L" if the level is at least 100 +; INPUT: +; hl = destination address +; [wLoadedMonLevel] = level +PrintLevel:: + ld a, $6e ; ":L" tile ID + ld [hli], a + ld c, 2 ; number of digits + ld a, [wLoadedMonLevel] ; level + cp 100 + jr c, PrintLevelCommon +; if level at least 100, write over the ":L" tile + dec hl + inc c ; increment number of digits to 3 + jr PrintLevelCommon + +; prints the level without leaving off ":L" regardless of level +; INPUT: +; hl = destination address +; [wLoadedMonLevel] = level +PrintLevelFull:: + ld a, $6e ; ":L" tile ID + ld [hli], a + ld c, 3 ; number of digits + ld a, [wLoadedMonLevel] ; level + +PrintLevelCommon:: + ld [wd11e], a + ld de, wd11e + ld b, LEFT_ALIGN | 1 ; 1 byte + jp PrintNumber + +GetwMoves:: +; Unused. Returns the move at index a from wMoves in a + ld hl, wMoves + ld c, a + ld b, 0 + add hl, bc + ld a, [hl] + ret + +; copies the base stat data of a pokemon to wMonHeader +; INPUT: +; [wd0b5] = pokemon ID +GetMonHeader:: + ld a, [hLoadedROMBank] + push af + ld a, BANK(BaseStats) + ld [hLoadedROMBank], a + ld [MBC1RomBank], a + push bc + push de + push hl + ld a, [wd11e] + push af + ld a, [wd0b5] + ld [wd11e], a + ld de, FossilKabutopsPic + ld b, $66 ; size of Kabutops fossil and Ghost sprites + cp FOSSIL_KABUTOPS ; Kabutops fossil + jr z, .specialID + ld de, GhostPic + cp MON_GHOST ; Ghost + jr z, .specialID + ld de, FossilAerodactylPic + ld b, $77 ; size of Aerodactyl fossil sprite + cp FOSSIL_AERODACTYL ; Aerodactyl fossil + jr z, .specialID + cp MEW + jr z, .mew + predef IndexToPokedex ; convert pokemon ID in [wd11e] to pokedex number + ld a, [wd11e] + dec a + ld bc, MonBaseStatsEnd - MonBaseStats + ld hl, BaseStats + call AddNTimes + ld de, wMonHeader + ld bc, MonBaseStatsEnd - MonBaseStats + call CopyData + jr .done +.specialID + ld hl, wMonHSpriteDim + ld [hl], b ; write sprite dimensions + inc hl + ld [hl], e ; write front sprite pointer + inc hl + ld [hl], d + jr .done +.mew + ld hl, MewBaseStats + ld de, wMonHeader + ld bc, MonBaseStatsEnd - MonBaseStats + ld a, BANK(MewBaseStats) + call FarCopyData +.done + ld a, [wd0b5] + ld [wMonHIndex], a + pop af + ld [wd11e], a + pop hl + pop de + pop bc + pop af + ld [hLoadedROMBank], a + ld [MBC1RomBank], a + ret + +; copy party pokemon's name to wcd6d +GetPartyMonName2:: + ld a, [wWhichPokemon] ; index within party + ld hl, wPartyMonNicks + +; this is called more often +GetPartyMonName:: + push hl + push bc + call SkipFixedLengthTextEntries ; add NAME_LENGTH to hl, a times + ld de, wcd6d + push de + ld bc, NAME_LENGTH + call CopyData + pop de + pop bc + pop hl + ret diff --git a/home/predef_text.asm b/home/predef_text.asm new file mode 100644 index 000000000..24001c248 --- /dev/null +++ b/home/predef_text.asm @@ -0,0 +1,237 @@ +; this function is used to display sign messages, sprite dialog, etc. +; INPUT: [hSpriteIndexOrTextID] = sprite ID or text ID +DisplayTextID:: + ld a, [hLoadedROMBank] + push af + callba DisplayTextIDInit ; initialization + ld hl, wTextPredefFlag + bit 0, [hl] + res 0, [hl] + jr nz, .skipSwitchToMapBank + ld a, [wCurMap] + call SwitchToMapRomBank +.skipSwitchToMapBank + ld a, 30 ; half a second + ld [hFrameCounter], a ; used as joypad poll timer + ld hl, wMapTextPtr + ld a, [hli] + ld h, [hl] + ld l, a ; hl = map text pointer + ld d, $00 + ld a, [hSpriteIndexOrTextID] ; text ID + ld [wSpriteIndex], a + and a + jp z, DisplayStartMenu + cp TEXT_SAFARI_GAME_OVER + jp z, DisplaySafariGameOverText + cp TEXT_MON_FAINTED + jp z, DisplayPokemonFaintedText + cp TEXT_BLACKED_OUT + jp z, DisplayPlayerBlackedOutText + cp TEXT_REPEL_WORE_OFF + jp z, DisplayRepelWoreOffText + ld a, [wNumSprites] + ld e, a + ld a, [hSpriteIndexOrTextID] ; sprite ID + cp e + jr z, .spriteHandling + jr nc, .skipSpriteHandling +.spriteHandling +; get the text ID of the sprite + push hl + push de + push bc + callba UpdateSpriteFacingOffsetAndDelayMovement ; update the graphics of the sprite the player is talking to (to face the right direction) + pop bc + pop de + ld hl, wMapSpriteData ; NPC text entries + ld a, [hSpriteIndexOrTextID] + dec a + add a + add l + ld l, a + jr nc, .noCarry + inc h +.noCarry + inc hl + ld a, [hl] ; a = text ID of the sprite + pop hl +.skipSpriteHandling +; look up the address of the text in the map's text entries + dec a + ld e, a + sla e + add hl, de + ld a, [hli] + ld h, [hl] + ld l, a ; hl = address of the text + ld a, [hl] ; a = first byte of text +; check first byte of text for special cases + cp $fe ; Pokemart NPC + jp z, DisplayPokemartDialogue + cp $ff ; Pokemon Center NPC + jp z, DisplayPokemonCenterDialogue + cp $fc ; Item Storage PC + jp z, FuncTX_ItemStoragePC + cp $fd ; Bill's PC + jp z, FuncTX_BillsPC + cp $f9 ; Pokemon Center PC + jp z, FuncTX_PokemonCenterPC + cp $f5 ; Vending Machine + jr nz, .notVendingMachine + callba VendingMachineMenu ; jump banks to vending machine routine + jr AfterDisplayingTextID +.notVendingMachine + cp $f7 ; prize menu + jp z, FuncTX_GameCornerPrizeMenu + cp $f6 ; cable connection NPC in Pokemon Center + jr nz, .notSpecialCase + callab CableClubNPC + jr AfterDisplayingTextID +.notSpecialCase + call PrintText_NoCreatingTextBox ; display the text + ld a, [wDoNotWaitForButtonPressAfterDisplayingText] + and a + jr nz, HoldTextDisplayOpen + +AfterDisplayingTextID:: + ld a, [wEnteringCableClub] + and a + jr nz, HoldTextDisplayOpen + call WaitForTextScrollButtonPress ; wait for a button press after displaying all the text + +; loop to hold the dialogue box open as long as the player keeps holding down the A button +HoldTextDisplayOpen:: + call Joypad + ld a, [hJoyHeld] + bit 0, a ; is the A button being pressed? + jr nz, HoldTextDisplayOpen + +CloseTextDisplay:: + ld a, [wCurMap] + call SwitchToMapRomBank + ld a, $90 + ld [hWY], a ; move the window off the screen + call DelayFrame + call LoadGBPal + xor a + ld [hAutoBGTransferEnabled], a ; disable continuous WRAM to VRAM transfer each V-blank +; loop to make sprites face the directions they originally faced before the dialogue + ld hl, wSpriteStateData2 + $19 + ld c, $0f + ld de, $0010 +.restoreSpriteFacingDirectionLoop + ld a, [hl] + dec h + ld [hl], a + inc h + add hl, de + dec c + jr nz, .restoreSpriteFacingDirectionLoop + ld a, BANK(InitMapSprites) + ld [hLoadedROMBank], a + ld [MBC1RomBank], a + call InitMapSprites ; reload sprite tile pattern data (since it was partially overwritten by text tile patterns) + ld hl, wFontLoaded + res 0, [hl] + ld a, [wd732] + bit 3, a ; used fly warp + call z, LoadPlayerSpriteGraphics + call LoadCurrentMapView + pop af + ld [hLoadedROMBank], a + ld [MBC1RomBank], a + jp UpdateSprites + +DisplayPokemartDialogue:: + push hl + ld hl, PokemartGreetingText + call PrintText + pop hl + inc hl + call LoadItemList + ld a, PRICEDITEMLISTMENU + ld [wListMenuID], a + ld a, [hLoadedROMBank] + push af + ld a, BANK(DisplayPokemartDialogue_) + ld [hLoadedROMBank], a + ld [MBC1RomBank], a + call DisplayPokemartDialogue_ + pop af + ld [hLoadedROMBank], a + ld [MBC1RomBank], a + jp AfterDisplayingTextID + +PokemartGreetingText:: + TX_FAR _PokemartGreetingText + db "@" + +LoadItemList:: + ld a, 1 + ld [wUpdateSpritesEnabled], a + ld a, h + ld [wItemListPointer], a + ld a, l + ld [wItemListPointer + 1], a + ld de, wItemList +.loop + ld a, [hli] + ld [de], a + inc de + cp $ff + jr nz, .loop + ret + +DisplayPokemonCenterDialogue:: +; zeroing these doesn't appear to serve any purpose + xor a + ld [hItemPrice], a + ld [hItemPrice + 1], a + ld [hItemPrice + 2], a + + inc hl + ld a, [hLoadedROMBank] + push af + ld a, BANK(DisplayPokemonCenterDialogue_) + ld [hLoadedROMBank], a + ld [MBC1RomBank], a + call DisplayPokemonCenterDialogue_ + pop af + ld [hLoadedROMBank], a + ld [MBC1RomBank], a + jp AfterDisplayingTextID + +DisplaySafariGameOverText:: + callab PrintSafariGameOverText + jp AfterDisplayingTextID + +DisplayPokemonFaintedText:: + ld hl, PokemonFaintedText + call PrintText + jp AfterDisplayingTextID + +PokemonFaintedText:: + TX_FAR _PokemonFaintedText + db "@" + +DisplayPlayerBlackedOutText:: + ld hl, PlayerBlackedOutText + call PrintText + ld a, [wd732] + res 5, a ; reset forced to use bike bit + ld [wd732], a + jp HoldTextDisplayOpen + +PlayerBlackedOutText:: + TX_FAR _PlayerBlackedOutText + db "@" + +DisplayRepelWoreOffText:: + ld hl, RepelWoreOffText + call PrintText + jp AfterDisplayingTextID + +RepelWoreOffText:: + TX_FAR _RepelWoreOffText + db "@" diff --git a/home/print_bcd.asm b/home/print_bcd.asm new file mode 100644 index 000000000..38aedd3c8 --- /dev/null +++ b/home/print_bcd.asm @@ -0,0 +1,77 @@ +; function to print a BCD (Binary-coded decimal) number +; de = address of BCD number +; hl = destination address +; c = flags and length +; bit 7: if set, do not print leading zeroes +; if unset, print leading zeroes +; bit 6: if set, left-align the string (do not pad empty digits with spaces) +; if unset, right-align the string +; bit 5: if set, print currency symbol at the beginning of the string +; if unset, do not print the currency symbol +; bits 0-4: length of BCD number in bytes +; Note that bits 5 and 7 are modified during execution. The above reflects +; their meaning at the beginning of the functions's execution. +PrintBCDNumber:: + ld b, c ; save flags in b + res 7, c + res 6, c + res 5, c ; c now holds the length + bit 5, b + jr z, .loop + bit 7, b + jr nz, .loop + ld [hl], "¥" + inc hl +.loop + ld a, [de] + swap a + call PrintBCDDigit ; print upper digit + ld a, [de] + call PrintBCDDigit ; print lower digit + inc de + dec c + jr nz, .loop + bit 7, b ; were any non-zero digits printed? + jr z, .done ; if so, we are done +.numberEqualsZero ; if every digit of the BCD number is zero + bit 6, b ; left or right alignment? + jr nz, .skipRightAlignmentAdjustment + dec hl ; if the string is right-aligned, it needs to be moved back one space +.skipRightAlignmentAdjustment + bit 5, b + jr z, .skipCurrencySymbol + ld [hl], "¥" + inc hl +.skipCurrencySymbol + ld [hl], "0" + call PrintLetterDelay + inc hl +.done + ret + +PrintBCDDigit:: + and $f + and a + jr z, .zeroDigit +.nonzeroDigit + bit 7, b ; have any non-space characters been printed? + jr z, .outputDigit +; if bit 7 is set, then no numbers have been printed yet + bit 5, b ; print the currency symbol? + jr z, .skipCurrencySymbol + ld [hl], "¥" + inc hl + res 5, b +.skipCurrencySymbol + res 7, b ; unset 7 to indicate that a nonzero digit has been reached +.outputDigit + add "0" + ld [hli], a + jp PrintLetterDelay +.zeroDigit + bit 7, b ; either printing leading zeroes or already reached a nonzero digit? + jr z, .outputDigit ; if so, print a zero digit + bit 6, b ; left or right alignment? + ret nz + inc hl ; if right-aligned, "print" a space by advancing the pointer + ret diff --git a/home/print_num.asm b/home/print_num.asm new file mode 100644 index 000000000..5155977b9 --- /dev/null +++ b/home/print_num.asm @@ -0,0 +1,217 @@ +PrintNumber:: +; Print the c-digit, b-byte value at de. +; Allows 2 to 7 digits. For 1-digit numbers, add +; the value to char "0" instead of calling PrintNumber. +; Flags LEADING_ZEROES and LEFT_ALIGN can be given +; in bits 7 and 6 of b respectively. + push bc + xor a + ld [hPastLeadingZeros], a + ld [hNumToPrint], a + ld [hNumToPrint + 1], a + ld a, b + and $f + cp 1 + jr z, .byte + cp 2 + jr z, .word +.long + ld a, [de] + ld [hNumToPrint], a + inc de + ld a, [de] + ld [hNumToPrint + 1], a + inc de + ld a, [de] + ld [hNumToPrint + 2], a + jr .start + +.word + ld a, [de] + ld [hNumToPrint + 1], a + inc de + ld a, [de] + ld [hNumToPrint + 2], a + jr .start + +.byte + ld a, [de] + ld [hNumToPrint + 2], a + +.start + push de + + ld d, b + ld a, c + ld b, a + xor a + ld c, a + ld a, b + + cp 2 + jr z, .tens + cp 3 + jr z, .hundreds + cp 4 + jr z, .thousands + cp 5 + jr z, .ten_thousands + cp 6 + jr z, .hundred_thousands + +print_digit: macro + +if (\1) / $10000 + ld a, \1 / $10000 % $100 +else xor a +endc + ld [hPowerOf10 + 0], a + +if (\1) / $100 + ld a, \1 / $100 % $100 +else xor a +endc + ld [hPowerOf10 + 1], a + + ld a, \1 / $1 % $100 + ld [hPowerOf10 + 2], a + + call .PrintDigit + call .NextDigit +endm + +.millions print_digit 1000000 +.hundred_thousands print_digit 100000 +.ten_thousands print_digit 10000 +.thousands print_digit 1000 +.hundreds print_digit 100 + +.tens + ld c, 0 + ld a, [hNumToPrint + 2] +.mod + cp 10 + jr c, .ok + sub 10 + inc c + jr .mod +.ok + + ld b, a + ld a, [hPastLeadingZeros] + or c + ld [hPastLeadingZeros], a + jr nz, .past + call .PrintLeadingZero + jr .next +.past + ld a, "0" + add c + ld [hl], a +.next + + call .NextDigit +.ones + ld a, "0" + add b + ld [hli], a + pop de + dec de + pop bc + ret + +.PrintDigit: +; Divide by the current decimal place. +; Print the quotient, and keep the modulus. + ld c, 0 +.loop + ld a, [hPowerOf10] + ld b, a + ld a, [hNumToPrint] + ld [hSavedNumToPrint], a + cp b + jr c, .underflow0 + sub b + ld [hNumToPrint], a + ld a, [hPowerOf10 + 1] + ld b, a + ld a, [hNumToPrint + 1] + ld [hSavedNumToPrint + 1], a + cp b + jr nc, .noborrow1 + + ld a, [hNumToPrint] + or 0 + jr z, .underflow1 + dec a + ld [hNumToPrint], a + ld a, [hNumToPrint + 1] +.noborrow1 + + sub b + ld [hNumToPrint + 1], a + ld a, [hPowerOf10 + 2] + ld b, a + ld a, [hNumToPrint + 2] + ld [hSavedNumToPrint + 2], a + cp b + jr nc, .noborrow2 + + ld a, [hNumToPrint + 1] + and a + jr nz, .borrowed + + ld a, [hNumToPrint] + and a + jr z, .underflow2 + dec a + ld [hNumToPrint], a + xor a +.borrowed + + dec a + ld [hNumToPrint + 1], a + ld a, [hNumToPrint + 2] +.noborrow2 + sub b + ld [hNumToPrint + 2], a + inc c + jr .loop + +.underflow2 + ld a, [hSavedNumToPrint + 1] + ld [hNumToPrint + 1], a +.underflow1 + ld a, [hSavedNumToPrint] + ld [hNumToPrint], a +.underflow0 + ld a, [hPastLeadingZeros] + or c + jr z, .PrintLeadingZero + + ld a, "0" + add c + ld [hl], a + ld [hPastLeadingZeros], a + ret + +.PrintLeadingZero: + bit BIT_LEADING_ZEROES, d + ret z + ld [hl], "0" + ret + +.NextDigit: +; Increment unless the number is left-aligned, +; leading zeroes are not printed, and no digits +; have been printed yet. + bit BIT_LEADING_ZEROES, d + jr nz, .inc + bit BIT_LEFT_ALIGN, d + jr z, .inc + ld a, [hPastLeadingZeros] + and a + ret z +.inc + inc hl + ret diff --git a/home/trainers.asm b/home/trainers.asm new file mode 100644 index 000000000..9c3519a2b --- /dev/null +++ b/home/trainers.asm @@ -0,0 +1,436 @@ +; stores hl in [wTrainerHeaderPtr] +StoreTrainerHeaderPointer:: + ld a, h + ld [wTrainerHeaderPtr], a + ld a, l + ld [wTrainerHeaderPtr+1], a + ret + +; executes the current map script from the function pointer array provided in hl. +; a: map script index to execute (unless overridden by [wd733] bit 4) +ExecuteCurMapScriptInTable:: + push af + push de + call StoreTrainerHeaderPointer + pop hl + pop af + push hl + ld hl, wFlags_D733 + bit 4, [hl] + res 4, [hl] + jr z, .useProvidedIndex ; test if map script index was overridden manually + ld a, [wCurMapScript] +.useProvidedIndex + pop hl + ld [wCurMapScript], a + call CallFunctionInTable + ld a, [wCurMapScript] + ret + +LoadGymLeaderAndCityName:: + push de + ld de, wGymCityName + ld bc, $11 + call CopyData ; load city name + pop hl + ld de, wGymLeaderName + ld bc, NAME_LENGTH + jp CopyData ; load gym leader name + +; reads specific information from trainer header (pointed to at wTrainerHeaderPtr) +; a: offset in header data +; 0 -> flag's bit (into wTrainerHeaderFlagBit) +; 2 -> flag's byte ptr (into hl) +; 4 -> before battle text (into hl) +; 6 -> after battle text (into hl) +; 8 -> end battle text (into hl) +ReadTrainerHeaderInfo:: + push de + push af + ld d, $0 + ld e, a + ld hl, wTrainerHeaderPtr + ld a, [hli] + ld l, [hl] + ld h, a + add hl, de + pop af + and a + jr nz, .nonZeroOffset + ld a, [hl] + ld [wTrainerHeaderFlagBit], a ; store flag's bit + jr .done +.nonZeroOffset + cp $2 + jr z, .readPointer ; read flag's byte ptr + cp $4 + jr z, .readPointer ; read before battle text + cp $6 + jr z, .readPointer ; read after battle text + cp $8 + jr z, .readPointer ; read end battle text + cp $a + jr nz, .done + ld a, [hli] ; read end battle text (2) but override the result afterwards (XXX why, bug?) + ld d, [hl] + ld e, a + jr .done +.readPointer + ld a, [hli] + ld h, [hl] + ld l, a +.done + pop de + ret + +TrainerFlagAction:: + predef_jump FlagActionPredef + +TalkToTrainer:: + call StoreTrainerHeaderPointer + xor a + call ReadTrainerHeaderInfo ; read flag's bit + ld a, $2 + call ReadTrainerHeaderInfo ; read flag's byte ptr + ld a, [wTrainerHeaderFlagBit] + ld c, a + ld b, FLAG_TEST + call TrainerFlagAction ; read trainer's flag + ld a, c + and a + jr z, .trainerNotYetFought ; test trainer's flag + ld a, $6 + call ReadTrainerHeaderInfo ; print after battle text + jp PrintText +.trainerNotYetFought + ld a, $4 + call ReadTrainerHeaderInfo ; print before battle text + call PrintText + ld a, $a + call ReadTrainerHeaderInfo ; (?) does nothing apparently (maybe bug in ReadTrainerHeaderInfo) + push de + ld a, $8 + call ReadTrainerHeaderInfo ; read end battle text + pop de + call SaveEndBattleTextPointers + ld hl, wFlags_D733 + set 4, [hl] ; activate map script index override (index is set below) + ld hl, wFlags_0xcd60 + bit 0, [hl] ; test if player is already engaging the trainer (because the trainer saw the player) + ret nz +; if the player talked to the trainer of his own volition + call EngageMapTrainer + ld hl, wCurMapScript + inc [hl] ; increment map script index before StartTrainerBattle increments it again (next script function is usually EndTrainerBattle) + jp StartTrainerBattle + +; checks if any trainers are seeing the player and wanting to fight +CheckFightingMapTrainers:: + call CheckForEngagingTrainers + ld a, [wSpriteIndex] + cp $ff + jr nz, .trainerEngaging + xor a + ld [wSpriteIndex], a + ld [wTrainerHeaderFlagBit], a + ret +.trainerEngaging + ld hl, wFlags_D733 + set 3, [hl] + ld [wEmotionBubbleSpriteIndex], a + xor a ; EXCLAMATION_BUBBLE + ld [wWhichEmotionBubble], a + predef EmotionBubble + ld a, D_RIGHT | D_LEFT | D_UP | D_DOWN + ld [wJoyIgnore], a + xor a + ld [hJoyHeld], a + call TrainerWalkUpToPlayer_Bank0 + ld hl, wCurMapScript + inc [hl] ; increment map script index (next script function is usually DisplayEnemyTrainerTextAndStartBattle) + ret + +; display the before battle text after the enemy trainer has walked up to the player's sprite +DisplayEnemyTrainerTextAndStartBattle:: + ld a, [wd730] + and $1 + ret nz ; return if the enemy trainer hasn't finished walking to the player's sprite + ld [wJoyIgnore], a + ld a, [wSpriteIndex] + ld [hSpriteIndexOrTextID], a + call DisplayTextID + ; fall through + +StartTrainerBattle:: + xor a + ld [wJoyIgnore], a + call InitBattleEnemyParameters + ld hl, wd72d + set 6, [hl] + set 7, [hl] + ld hl, wd72e + set 1, [hl] + ld hl, wCurMapScript + inc [hl] ; increment map script index (next script function is usually EndTrainerBattle) + ret + +EndTrainerBattle:: + ld hl, wCurrentMapScriptFlags + set 5, [hl] + set 6, [hl] + ld hl, wd72d + res 7, [hl] + ld hl, wFlags_0xcd60 + res 0, [hl] ; player is no longer engaged by any trainer + ld a, [wIsInBattle] + cp $ff + jp z, ResetButtonPressedAndMapScript + ld a, $2 + call ReadTrainerHeaderInfo + ld a, [wTrainerHeaderFlagBit] + ld c, a + ld b, FLAG_SET + call TrainerFlagAction ; flag trainer as fought + ld a, [wEnemyMonOrTrainerClass] + cp OPP_ID_OFFSET + jr nc, .skipRemoveSprite ; test if trainer was fought (in that case skip removing the corresponding sprite) + ld hl, wMissableObjectList + ld de, $2 + ld a, [wSpriteIndex] + call IsInArray ; search for sprite ID + inc hl + ld a, [hl] + ld [wMissableObjectIndex], a ; load corresponding missable object index and remove it + predef HideObject +.skipRemoveSprite + ld hl, wd730 + bit 4, [hl] + res 4, [hl] + ret nz + +ResetButtonPressedAndMapScript:: + xor a + ld [wJoyIgnore], a + ld [hJoyHeld], a + ld [hJoyPressed], a + ld [hJoyReleased], a + ld [wCurMapScript], a ; reset battle status + ret + +; calls TrainerWalkUpToPlayer +TrainerWalkUpToPlayer_Bank0:: + jpba TrainerWalkUpToPlayer + +; sets opponent type and mon set/lvl based on the engaging trainer data +InitBattleEnemyParameters:: + ld a, [wEngagedTrainerClass] + ld [wCurOpponent], a + ld [wEnemyMonOrTrainerClass], a + cp OPP_ID_OFFSET + ld a, [wEngagedTrainerSet] + jr c, .noTrainer + ld [wTrainerNo], a + ret +.noTrainer + ld [wCurEnemyLVL], a + ret + +GetSpritePosition1:: + ld hl, _GetSpritePosition1 + jr SpritePositionBankswitch + +GetSpritePosition2:: + ld hl, _GetSpritePosition2 + jr SpritePositionBankswitch + +SetSpritePosition1:: + ld hl, _SetSpritePosition1 + jr SpritePositionBankswitch + +SetSpritePosition2:: + ld hl, _SetSpritePosition2 +SpritePositionBankswitch:: + ld b, BANK(_GetSpritePosition1) ; BANK(_GetSpritePosition2), BANK(_SetSpritePosition1), BANK(_SetSpritePosition2) + jp Bankswitch ; indirect jump to one of the four functions + +CheckForEngagingTrainers:: + xor a + call ReadTrainerHeaderInfo ; read trainer flag's bit (unused) + ld d, h ; store trainer header address in de + ld e, l +.trainerLoop + call StoreTrainerHeaderPointer ; set trainer header pointer to current trainer + ld a, [de] + ld [wSpriteIndex], a ; store trainer flag's bit + ld [wTrainerHeaderFlagBit], a + cp $ff + ret z + ld a, $2 + call ReadTrainerHeaderInfo ; read trainer flag's byte ptr + ld b, FLAG_TEST + ld a, [wTrainerHeaderFlagBit] + ld c, a + call TrainerFlagAction ; read trainer flag + ld a, c + and a ; has the trainer already been defeated? + jr nz, .continue + push hl + push de + push hl + xor a + call ReadTrainerHeaderInfo ; get trainer header pointer + inc hl + ld a, [hl] ; read trainer engage distance + pop hl + ld [wTrainerEngageDistance], a + ld a, [wSpriteIndex] + swap a + ld [wTrainerSpriteOffset], a + predef TrainerEngage + pop de + pop hl + ld a, [wTrainerSpriteOffset] + and a + ret nz ; break if the trainer is engaging +.continue + ld hl, $c + add hl, de + ld d, h + ld e, l + jr .trainerLoop + +; hl = text if the player wins +; de = text if the player loses +SaveEndBattleTextPointers:: + ld a, [hLoadedROMBank] + ld [wEndBattleTextRomBank], a + ld a, h + ld [wEndBattleWinTextPointer], a + ld a, l + ld [wEndBattleWinTextPointer + 1], a + ld a, d + ld [wEndBattleLoseTextPointer], a + ld a, e + ld [wEndBattleLoseTextPointer + 1], a + ret + +; loads data of some trainer on the current map and plays pre-battle music +; [wSpriteIndex]: sprite ID of trainer who is engaged +EngageMapTrainer:: + ld hl, wMapSpriteExtraData + ld d, $0 + ld a, [wSpriteIndex] + dec a + add a + ld e, a + add hl, de ; seek to engaged trainer data + ld a, [hli] ; load trainer class + ld [wEngagedTrainerClass], a + ld a, [hl] ; load trainer mon set + ld [wEngagedTrainerSet], a + jp PlayTrainerMusic + +PrintEndBattleText:: + push hl + ld hl, wd72d + bit 7, [hl] + res 7, [hl] + pop hl + ret z + ld a, [hLoadedROMBank] + push af + ld a, [wEndBattleTextRomBank] + ld [hLoadedROMBank], a + ld [MBC1RomBank], a + push hl + callba SaveTrainerName + ld hl, TrainerEndBattleText + call PrintText + pop hl + pop af + ld [hLoadedROMBank], a + ld [MBC1RomBank], a + callba FreezeEnemyTrainerSprite + jp WaitForSoundToFinish + +GetSavedEndBattleTextPointer:: + ld a, [wBattleResult] + and a +; won battle + jr nz, .lostBattle + ld a, [wEndBattleWinTextPointer] + ld h, a + ld a, [wEndBattleWinTextPointer + 1] + ld l, a + ret +.lostBattle + ld a, [wEndBattleLoseTextPointer] + ld h, a + ld a, [wEndBattleLoseTextPointer + 1] + ld l, a + ret + +TrainerEndBattleText:: + TX_FAR _TrainerNameText + TX_ASM + call GetSavedEndBattleTextPointer + call TextCommandProcessor + jp TextScriptEnd + +; only engage with the trainer if the player is not already +; engaged with another trainer +; XXX unused? +CheckIfAlreadyEngaged:: + ld a, [wFlags_0xcd60] + bit 0, a + ret nz + call EngageMapTrainer + xor a + ret + +PlayTrainerMusic:: + ld a, [wEngagedTrainerClass] + cp OPP_SONY1 + ret z + cp OPP_SONY2 + ret z + cp OPP_SONY3 + ret z + ld a, [wGymLeaderNo] + and a + ret nz + xor a + ld [wAudioFadeOutControl], a + ld a, SFX_STOP_ALL_MUSIC + call PlaySound + ld a, BANK(Music_MeetEvilTrainer) + ld [wAudioROMBank], a + ld [wAudioSavedROMBank], a + ld a, [wEngagedTrainerClass] + ld b, a + ld hl, EvilTrainerList +.evilTrainerListLoop + ld a, [hli] + cp $ff + jr z, .noEvilTrainer + cp b + jr nz, .evilTrainerListLoop + ld a, MUSIC_MEET_EVIL_TRAINER + jr .PlaySound +.noEvilTrainer + ld hl, FemaleTrainerList +.femaleTrainerListLoop + ld a, [hli] + cp $ff + jr z, .maleTrainer + cp b + jr nz, .femaleTrainerListLoop + ld a, MUSIC_MEET_FEMALE_TRAINER + jr .PlaySound +.maleTrainer + ld a, MUSIC_MEET_MALE_TRAINER +.PlaySound + ld [wNewSoundID], a + jp PlaySound + +INCLUDE "data/trainers/encounter_types.asm" diff --git a/home/uncompress.asm b/home/uncompress.asm new file mode 100644 index 000000000..02683db72 --- /dev/null +++ b/home/uncompress.asm @@ -0,0 +1,196 @@ +; uncompresses the front or back sprite of the specified mon +; assumes the corresponding mon header is already loaded +; hl contains offset to sprite pointer ($b for front or $d for back) +UncompressMonSprite:: + ld bc, wMonHeader + add hl, bc + ld a, [hli] + ld [wSpriteInputPtr], a ; fetch sprite input pointer + ld a, [hl] + ld [wSpriteInputPtr+1], a +; define (by index number) the bank that a pokemon's image is in +; index = Mew, bank 1 +; index = Kabutops fossil, bank $B +; index < $1F, bank 9 +; $1F ≤ index < $4A, bank $A +; $4A ≤ index < $74, bank $B +; $74 ≤ index < $99, bank $C +; $99 ≤ index, bank $D + ld a, [wcf91] ; XXX name for this ram location + ld b, a + cp MEW + ld a, BANK(MewPicFront) + jr z, .GotBank + ld a, b + cp FOSSIL_KABUTOPS + ld a, BANK(FossilKabutopsPic) + jr z, .GotBank + ld a, b + cp TANGELA + 1 + ld a, BANK(TangelaPicFront) + jr c, .GotBank + ld a, b + cp MOLTRES + 1 + ld a, BANK(MoltresPicFront) + jr c, .GotBank + ld a, b + cp BEEDRILL + 2 + ld a, BANK(BeedrillPicFront) + jr c, .GotBank + ld a, b + cp STARMIE + 1 + ld a, BANK(StarmiePicFront) + jr c, .GotBank + ld a, BANK(VictreebelPicFront) +.GotBank + jp UncompressSpriteData + +; de: destination location +LoadMonFrontSprite:: + push de + ld hl, wMonHFrontSprite - wMonHeader + call UncompressMonSprite + ld hl, wMonHSpriteDim + ld a, [hli] + ld c, a + pop de + ; fall through + +; postprocesses uncompressed sprite chunks to a 2bpp sprite and loads it into video ram +; calculates alignment parameters to place both sprite chunks in the center of the 7*7 tile sprite buffers +; de: destination location +; a,c: sprite dimensions (in tiles of 8x8 each) +LoadUncompressedSpriteData:: + push de + and $f + ld [hSpriteWidth], a ; each byte contains 8 pixels (in 1bpp), so tiles=bytes for width + ld b, a + ld a, $7 + sub b ; 7-w + inc a ; 8-w + srl a ; (8-w)/2 ; horizontal center (in tiles, rounded up) + ld b, a + add a + add a + add a + sub b ; 7*((8-w)/2) ; skip for horizontal center (in tiles) + ld [hSpriteOffset], a + ld a, c + swap a + and $f + ld b, a + add a + add a + add a ; 8*tiles is height in bytes + ld [hSpriteHeight], a + ld a, $7 + sub b ; 7-h ; skip for vertical center (in tiles, relative to current column) + ld b, a + ld a, [hSpriteOffset] + add b ; 7*((8-w)/2) + 7-h ; combined overall offset (in tiles) + add a + add a + add a ; 8*(7*((8-w)/2) + 7-h) ; combined overall offset (in bytes) + ld [hSpriteOffset], a + xor a + ld [$4000], a + ld hl, sSpriteBuffer0 + call ZeroSpriteBuffer ; zero buffer 0 + ld de, sSpriteBuffer1 + ld hl, sSpriteBuffer0 + call AlignSpriteDataCentered ; copy and align buffer 1 to 0 (containing the MSB of the 2bpp sprite) + ld hl, sSpriteBuffer1 + call ZeroSpriteBuffer ; zero buffer 1 + ld de, sSpriteBuffer2 + ld hl, sSpriteBuffer1 + call AlignSpriteDataCentered ; copy and align buffer 2 to 1 (containing the LSB of the 2bpp sprite) + pop de + jp InterlaceMergeSpriteBuffers + +; copies and aligns the sprite data properly inside the sprite buffer +; sprite buffers are 7*7 tiles in size, the loaded sprite is centered within this area +AlignSpriteDataCentered:: + ld a, [hSpriteOffset] + ld b, $0 + ld c, a + add hl, bc + ld a, [hSpriteWidth] +.columnLoop + push af + push hl + ld a, [hSpriteHeight] + ld c, a +.columnInnerLoop + ld a, [de] + inc de + ld [hli], a + dec c + jr nz, .columnInnerLoop + pop hl + ld bc, 7*8 ; 7 tiles + add hl, bc ; advance one full column + pop af + dec a + jr nz, .columnLoop + ret + +; fills the sprite buffer (pointed to in hl) with zeros +ZeroSpriteBuffer:: + ld bc, SPRITEBUFFERSIZE +.nextByteLoop + xor a + ld [hli], a + dec bc + ld a, b + or c + jr nz, .nextByteLoop + ret + +; combines the (7*7 tiles, 1bpp) sprite chunks in buffer 0 and 1 into a 2bpp sprite located in buffer 1 through 2 +; in the resulting sprite, the rows of the two source sprites are interlaced +; de: output address +InterlaceMergeSpriteBuffers:: + xor a + ld [$4000], a + push de + ld hl, sSpriteBuffer2 + (SPRITEBUFFERSIZE - 1) ; destination: end of buffer 2 + ld de, sSpriteBuffer1 + (SPRITEBUFFERSIZE - 1) ; source 2: end of buffer 1 + ld bc, sSpriteBuffer0 + (SPRITEBUFFERSIZE - 1) ; source 1: end of buffer 0 + ld a, SPRITEBUFFERSIZE/2 ; $c4 + ld [hSpriteInterlaceCounter], a +.interlaceLoop + ld a, [de] + dec de + ld [hld], a ; write byte of source 2 + ld a, [bc] + dec bc + ld [hld], a ; write byte of source 1 + ld a, [de] + dec de + ld [hld], a ; write byte of source 2 + ld a, [bc] + dec bc + ld [hld], a ; write byte of source 1 + ld a, [hSpriteInterlaceCounter] + dec a + ld [hSpriteInterlaceCounter], a + jr nz, .interlaceLoop + ld a, [wSpriteFlipped] + and a + jr z, .notFlipped + ld bc, 2*SPRITEBUFFERSIZE + ld hl, sSpriteBuffer1 +.swapLoop + swap [hl] ; if flipped swap nybbles in all bytes + inc hl + dec bc + ld a, b + or c + jr nz, .swapLoop +.notFlipped + pop hl + ld de, sSpriteBuffer1 + ld c, (2*SPRITEBUFFERSIZE)/16 ; $31, number of 16 byte chunks to be copied + ld a, [hLoadedROMBank] + ld b, a + jp CopyVideoData diff --git a/home/yes_no.asm b/home/yes_no.asm new file mode 100644 index 000000000..61aa1390f --- /dev/null +++ b/home/yes_no.asm @@ -0,0 +1,40 @@ +; displays yes/no choice +; yes -> set carry +YesNoChoice:: + call SaveScreenTilesToBuffer1 + call InitYesNoTextBoxParameters + jr DisplayYesNoChoice + +Func_35f4:: + ld a, TWO_OPTION_MENU + ld [wTextBoxID], a + call InitYesNoTextBoxParameters + jp DisplayTextBoxID + +InitYesNoTextBoxParameters:: + xor a ; YES_NO_MENU + ld [wTwoOptionMenuID], a + coord hl, 14, 7 + ld bc, $80f + ret + +YesNoChoicePokeCenter:: + call SaveScreenTilesToBuffer1 + ld a, HEAL_CANCEL_MENU + ld [wTwoOptionMenuID], a + coord hl, 11, 6 + lb bc, 8, 12 + jr DisplayYesNoChoice + +WideYesNoChoice:: ; unused + call SaveScreenTilesToBuffer1 + ld a, WIDE_YES_NO_MENU + ld [wTwoOptionMenuID], a + coord hl, 12, 7 + lb bc, 8, 13 + +DisplayYesNoChoice:: + ld a, TWO_OPTION_MENU + ld [wTextBoxID], a + call DisplayTextBoxID + jp LoadScreenTilesFromBuffer1 diff --git a/macros/predef.asm b/macros/predef.asm index fda420045..d86582d1b 100644 --- a/macros/predef.asm +++ b/macros/predef.asm @@ -1,13 +1,3 @@ -predef_const: MACRO - const \1PredefID -ENDM - -add_predef: MACRO -\1Predef:: - db BANK(\1) - dw \1 -ENDM - predef_id: MACRO ld a, (\1Predef - PredefPointers) / 3 ENDM @@ -22,17 +12,6 @@ predef_jump: MACRO jp Predef ENDM -tx_pre_const: MACRO - const \1_id -ENDM - -add_tx_pre: MACRO -\1_id:: dw \1 -ENDM - -db_tx_pre: MACRO - db (\1_id - TextPredefs) / 2 + 1 -ENDM tx_pre_id: MACRO ld a, (\1_id - TextPredefs) / 2 + 1 @@ -47,3 +26,7 @@ tx_pre_jump: MACRO tx_pre_id \1 jp PrintPredefTextID ENDM + +db_tx_pre: MACRO + db (\1_id - TextPredefs) / 2 + 1 +ENDM