pokecrystal-board/engine/link.asm

2595 lines
38 KiB
NASM
Executable File

LinkCommunications: ; 28000
call ClearBGPalettes
ld c, 80
call DelayFrames
call ClearScreen
call ClearSprites
call UpdateSprites
xor a
ld [hSCX], a
ld [hSCY], a
ld c, 80
call DelayFrames
call ClearScreen
call UpdateSprites
call LoadStandardFont
call LoadFontsBattleExtra
farcall LinkComms_LoadPleaseWaitTextboxBorderGFX
call WaitBGMap2
hlcoord 3, 8
ld b, 2
ld c, 12
ld d, h
ld e, l
farcall LinkTextbox2
hlcoord 4, 10
ld de, String_PleaseWait
call PlaceString
call SetTradeRoomBGPals
call WaitBGMap2
ld hl, wcf5d
xor a
ld [hli], a
ld [hl], $50
ld a, [wLinkMode]
cp LINK_TIMECAPSULE
jp nz, Gen2ToGen2LinkComms
TimeCapsule: ; 2805d
call ClearLinkData
call Link_PrepPartyData_Gen1
call FixDataForLinkTransfer
xor a
ld [wPlayerLinkAction], a
call WaitLinkTransfer
ld a, [hLinkPlayerNumber]
cp $2
jr nz, .player_1
ld c, 3
call DelayFrames
xor a
ld [hSerialSend], a
ld a, $1
ld [rSC], a
ld a, $81
ld [rSC], a
call DelayFrame
xor a
ld [hSerialSend], a
ld a, $1
ld [rSC], a
ld a, $81
ld [rSC], a
.player_1
ld de, MUSIC_NONE
call PlayMusic
ld c, $3
call DelayFrames
xor a
ld [rIF], a
ld a, $8
ld [rIE], a
ld hl, wd1f3
ld de, EnemyMonSpecies
ld bc, $11
call Function75f
ld a, $fe
ld [de], a
ld hl, wLinkData
ld de, OTPlayerName
ld bc, $1a8
call Function75f
ld a, $fe
ld [de], a
ld hl, wMisc
ld de, wPlayerTrademonSpecies
ld bc, wPlayerTrademonSpecies - wMisc
call Function75f
xor a
ld [rIF], a
ld a, $1d
ld [rIE], a
call Link_CopyRandomNumbers
ld hl, OTPlayerName
call Link_FindFirstNonControlCharacter_SkipZero
push hl
ld bc, NAME_LENGTH
add hl, bc
ld a, [hl]
pop hl
and a
jp z, Function28b22
cp $7
jp nc, Function28b22
ld de, wLinkData
ld bc, $1a2
call Link_CopyOTData
ld de, wPlayerTrademonSpecies
ld hl, wTimeCapsulePartyMon1Species
ld c, $2
.loop
ld a, [de]
inc de
and a
jr z, .loop
cp $fd
jr z, .loop
cp $fe
jr z, .loop
cp $ff
jr z, .next
push hl
push bc
ld b, $0
dec a
ld c, a
add hl, bc
ld a, $fe
ld [hl], a
pop bc
pop hl
jr .loop
.next
ld hl, wc90f
dec c
jr nz, .loop
ld hl, wLinkPlayerName
ld de, OTPlayerName
ld bc, NAME_LENGTH
call CopyBytes
ld de, OTPartyCount
ld a, [hli]
ld [de], a
inc de
.party_loop
ld a, [hli]
cp -1
jr z, .done_party
ld [wd265], a
push hl
push de
callfar ConvertMon_1to2
pop de
pop hl
ld a, [wd265]
ld [de], a
inc de
jr .party_loop
.done_party
ld [de], a
ld hl, wTimeCapsulePartyMon1Species
call Function2868a
ld a, LOW(OTPartyMonOT)
ld [wUnusedD102], a
ld a, HIGH(OTPartyMonOT)
ld [wUnusedD102 + 1], a
ld de, MUSIC_NONE
call PlayMusic
ld a, [hLinkPlayerNumber]
cp $2
ld c, 66
call z, DelayFrames
ld de, MUSIC_ROUTE_30
call PlayMusic
jp InitTradeMenuDisplay
; 28177
Gen2ToGen2LinkComms: ; 28177
call ClearLinkData
call Link_PrepPartyData_Gen2
call FixDataForLinkTransfer
call Function29dba
ld a, [ScriptVar]
and a
jp z, LinkTimeout
ld a, [hLinkPlayerNumber]
cp $2
jr nz, .Player1
ld c, 3
call DelayFrames
xor a
ld [hSerialSend], a
ld a, $1
ld [rSC], a
ld a, $81
ld [rSC], a
call DelayFrame
xor a
ld [hSerialSend], a
ld a, $1
ld [rSC], a
ld a, $81
ld [rSC], a
.Player1:
ld de, MUSIC_NONE
call PlayMusic
ld c, 3
call DelayFrames
xor a
ld [rIF], a
ld a, $8
ld [rIE], a
ld hl, wd1f3
ld de, EnemyMonSpecies
ld bc, $11
call Function75f
ld a, $fe
ld [de], a
ld hl, wLinkData
ld de, OTPlayerName
ld bc, $1c2
call Function75f
ld a, $fe
ld [de], a
ld hl, wMisc
ld de, wPlayerTrademonSpecies
ld bc, $c8
call Function75f
ld a, [wLinkMode]
cp LINK_TRADECENTER
jr nz, .not_trading
ld hl, wc9f4
ld de, wcb84
ld bc, $186
call Function283f2
.not_trading
xor a
ld [rIF], a
ld a, $1d
ld [rIE], a
ld de, MUSIC_NONE
call PlayMusic
call Link_CopyRandomNumbers
ld hl, OTPlayerName
call Link_FindFirstNonControlCharacter_SkipZero
ld de, wLinkData
ld bc, $1b9
call Link_CopyOTData
ld de, wPlayerTrademonSpecies
ld hl, wLinkPlayerPartyMon1Species
ld c, $2
.loop1
ld a, [de]
inc de
and a
jr z, .loop1
cp $fd
jr z, .loop1
cp $fe
jr z, .loop1
cp $ff
jr z, .next1
push hl
push bc
ld b, $0
dec a
ld c, a
add hl, bc
ld a, $fe
ld [hl], a
pop bc
pop hl
jr .loop1
.next1
ld hl, wc90f
dec c
jr nz, .loop1
ld a, [wLinkMode]
cp LINK_TRADECENTER
jp nz, .skip_mail
ld hl, wcb84
.loop2
ld a, [hli]
cp $20
jr nz, .loop2
.loop3
ld a, [hli]
cp $fe
jr z, .loop3
cp $20
jr z, .loop3
dec hl
ld de, wcb84
ld bc, $190 ; 400
call CopyBytes
ld hl, wcb84
ld bc, $c6 ; 198
.loop4
ld a, [hl]
cp $21
jr nz, .okay1
ld [hl], $fe
.okay1
inc hl
dec bc
ld a, b
or c
jr nz, .loop4
ld de, wcc9e
.loop5
ld a, [de]
inc de
cp $ff
jr z, .start_copying_mail
ld hl, wcc4a
dec a
ld b, $0
ld c, a
add hl, bc
ld [hl], $fe
jr .loop5
.start_copying_mail
ld hl, wcb84
ld de, wc9f4
ld b, PARTY_LENGTH
.copy_mail_loop
push bc
ld bc, MAIL_MSG_LENGTH + 1
call CopyBytes
ld a, LOW(MAIL_STRUCT_LENGTH - (MAIL_MSG_LENGTH + 1))
add e
ld e, a
ld a, HIGH(MAIL_STRUCT_LENGTH - (MAIL_MSG_LENGTH + 1))
adc d
ld d, a
pop bc
dec b
jr nz, .copy_mail_loop
ld de, wc9f4
ld b, PARTY_LENGTH
.copy_author_loop
push bc
ld a, LOW(MAIL_MSG_LENGTH + 1)
add e
ld e, a
ld a, HIGH(MAIL_MSG_LENGTH + 1)
adc d
ld d, a
ld bc, MAIL_STRUCT_LENGTH - (MAIL_MSG_LENGTH + 1)
call CopyBytes
pop bc
dec b
jr nz, .copy_author_loop
ld b, PARTY_LENGTH
ld de, wc9f4
.fix_mail_loop
push bc
push de
farcall IsMailEuropean
ld a, c
or a
jr z, .next
sub $3
jr nc, .skip
farcall DeutenEnglischenPost
jr .next
.skip
cp $2
jr nc, .next
farcall HandleSpanishItalianMail
.next
pop de
ld hl, MAIL_STRUCT_LENGTH
add hl, de
ld d, h
ld e, l
pop bc
dec b
jr nz, .fix_mail_loop
ld de, wcb0e
xor a
ld [de], a
.skip_mail
ld hl, wLinkPlayerName
ld de, OTPlayerName
ld bc, NAME_LENGTH
call CopyBytes
ld de, OTPartyCount
ld bc, 8
call CopyBytes
ld de, OTPlayerID
ld bc, 2
call CopyBytes
ld de, OTPartyMons
ld bc, OTPartyDataEnd - OTPartyMons
call CopyBytes
ld a, LOW(OTPartyMonOT)
ld [wUnusedD102], a
ld a, HIGH(OTPartyMonOT)
ld [wUnusedD102 + 1], a
ld de, MUSIC_NONE
call PlayMusic
ld a, [hLinkPlayerNumber]
cp $2
ld c, 66
call z, DelayFrames
ld a, [wLinkMode]
cp LINK_COLOSSEUM
jr nz, .ready_to_trade
ld a, CAL
ld [OtherTrainerClass], a
call ClearScreen
farcall Link_WaitBGMap
ld hl, Options
ld a, [hl]
push af
and $20
or $3
ld [hl], a
ld hl, OTPlayerName
ld de, OTClassName
ld bc, NAME_LENGTH
call CopyBytes
call ReturnToMapFromSubmenu
; LET'S DO THIS
ld a, [wDisableTextAcceleration]
push af
ld a, 1
ld [wDisableTextAcceleration], a
ld a, [rIE]
push af
ld a, [rIF]
push af
xor a
ld [rIF], a
ld a, [rIE]
set 1, a
ld [rIE], a
pop af
ld [rIF], a
predef StartBattle
ld a, [rIF]
ld h, a
xor a
ld [rIF], a
pop af
ld [rIE], a
ld a, h
ld [rIF], a
pop af
ld [wDisableTextAcceleration], a
pop af
ld [Options], a
farcall LoadPokemonData
jp Function28b22
.ready_to_trade
ld de, MUSIC_ROUTE_30
call PlayMusic
jp InitTradeMenuDisplay
; 283b2
LinkTimeout: ; 283b2
ld de, .TooMuchTimeHasElapsed
ld b, 10
.loop
call DelayFrame
call LinkDataReceived
dec b
jr nz, .loop
xor a
ld [hld], a
ld [hl], a
ld [hVBlank], a
push de
hlcoord 0, 12
ld b, 4
ld c, 18
push de
ld d, h
ld e, l
farcall LinkTextbox2
pop de
pop hl
bccoord 1, 14
call PlaceHLTextAtBC
call RotateThreePalettesRight
call ClearScreen
ld b, SCGB_DIPLOMA
call GetSGBLayout
call WaitBGMap2
ret
; 283ed
.TooMuchTimeHasElapsed: ; 0x283ed
; Too much time has elapsed. Please try again.
text_jump UnknownText_0x1c4183
db "@"
; 0x283f2
Function283f2: ; 283f2
ld a, $1
ld [hFFCC], a
.loop
ld a, [hl]
ld [hSerialSend], a
call Function78a
push bc
ld b, a
inc hl
ld a, $30
.delay_cycles
dec a
jr nz, .delay_cycles
ld a, [hFFCC]
and a
ld a, b
pop bc
jr z, .load
dec hl
xor a
ld [hFFCC], a
jr .loop
.load
ld [de], a
inc de
dec bc
ld a, b
or c
jr nz, .loop
ret
; 28419
String_PleaseWait: ; 28419
db "PLEASE WAIT!@"
; 28426
ClearLinkData: ; 28426
ld hl, wLinkData
ld bc, wLinkDataEnd - wLinkData
.loop
xor a
ld [hli], a
dec bc
ld a, b
or c
jr nz, .loop
ret
; 28434
FixDataForLinkTransfer: ; 28434
ld hl, wd1f3
ld a, $fd
ld b, LinkBattleRNs - wd1f3
.loop1
ld [hli], a
dec b
jr nz, .loop1
ld b, TempEnemyMonSpecies - LinkBattleRNs
.loop2
call Random
cp $fd
jr nc, .loop2
ld [hli], a
dec b
jr nz, .loop2
ld hl, wMisc
ld a, $fd
ld [hli], a
ld [hli], a
ld [hli], a
ld b, $c8
xor a
.loop3
ld [hli], a
dec b
jr nz, .loop3
ld hl, wTimeCapsulePartyMon1 - 1 + 6
ld de, wc612
lb bc, 0, 0
.loop4
inc c
ld a, c
cp $fd
jr z, .next1
ld a, b
dec a
jr nz, .next2
push bc
ld a, [wLinkMode]
cp LINK_TIMECAPSULE
ld b, $d
jr z, .got_value
ld b, $27
.got_value
ld a, c
cp b
pop bc
jr z, .done
.next2
inc hl
ld a, [hl]
cp $fe
jr nz, .loop4
ld a, c
ld [de], a
inc de
ld [hl], $ff
jr .loop4
.next1
ld a, $ff
ld [de], a
inc de
lb bc, 1, 0
jr .loop4
.done
ld a, $ff
ld [de], a
ret
; 28499
Link_PrepPartyData_Gen1: ; 28499
ld de, wLinkData
ld a, $fd
ld b, 6
.loop1
ld [de], a
inc de
dec b
jr nz, .loop1
ld hl, PlayerName
ld bc, NAME_LENGTH
call CopyBytes
push de
ld hl, PartyCount
ld a, [hli]
ld [de], a
inc de
.loop2
ld a, [hli]
cp -1
jr z, .done_party
ld [wd265], a
push hl
push de
callfar ConvertMon_2to1
pop de
pop hl
ld a, [wd265]
ld [de], a
inc de
jr .loop2
.done_party
ld [de], a
pop de
ld hl, 1 + PARTY_LENGTH + 1
add hl, de
ld d, h
ld e, l
ld hl, PartyMon1Species
ld c, PARTY_LENGTH
.mon_loop
push bc
call .ConvertPartyStruct2to1
ld bc, PARTYMON_STRUCT_LENGTH
add hl, bc
pop bc
dec c
jr nz, .mon_loop
ld hl, PartyMonOT
call .copy_ot_nicks
ld hl, PartyMonNicknames
.copy_ot_nicks
ld bc, PARTY_LENGTH * NAME_LENGTH
jp CopyBytes
; 284f6
.ConvertPartyStruct2to1: ; 284f6
ld b, h
ld c, l
push de
push bc
ld a, [hl]
ld [wd265], a
callfar ConvertMon_2to1
pop bc
pop de
ld a, [wd265]
ld [de], a
inc de
ld hl, MON_HP
add hl, bc
ld a, [hli]
ld [de], a
inc de
ld a, [hl]
ld [de], a
inc de
xor a
ld [de], a
inc de
ld hl, MON_STATUS
add hl, bc
ld a, [hl]
ld [de], a
inc de
ld a, [bc]
cp MAGNEMITE
jr z, .steel_type
cp MAGNETON
jr nz, .skip_steel
.steel_type
ld a, ELECTRIC
ld [de], a
inc de
ld [de], a
inc de
jr .done_steel
.skip_steel
push bc
dec a
ld hl, BaseData + BASE_TYPES
ld bc, BASE_DATA_SIZE
call AddNTimes
ld bc, BASE_CATCH_RATE - BASE_TYPES
ld a, BANK(BaseData)
call FarCopyBytes
pop bc
.done_steel
push bc
ld hl, MON_ITEM
add hl, bc
ld bc, MON_HAPPINESS - MON_ITEM
call CopyBytes
pop bc
ld hl, MON_LEVEL
add hl, bc
ld a, [hl]
ld [de], a
ld [CurPartyLevel], a
inc de
push bc
ld hl, MON_MAXHP
add hl, bc
ld bc, MON_SAT - MON_MAXHP
call CopyBytes
pop bc
push de
push bc
ld a, [bc]
dec a
push bc
ld b, 0
ld c, a
ld hl, KantoMonSpecials
add hl, bc
ld a, BANK(KantoMonSpecials)
call GetFarByte
ld [BaseSpecialAttack], a
pop bc
ld hl, MON_STAT_EXP - 1
add hl, bc
ld c, STAT_SATK
ld b, TRUE
predef CalcPkmnStatC
pop bc
pop de
ld a, [hQuotient + 1]
ld [de], a
inc de
ld a, [hQuotient + 2]
ld [de], a
inc de
ld h, b
ld l, c
ret
; 28595
Link_PrepPartyData_Gen2: ; 28595
ld de, wLinkData
ld a, $fd
ld b, 6
.loop1
ld [de], a
inc de
dec b
jr nz, .loop1
; de = $c806
ld hl, PlayerName
ld bc, NAME_LENGTH
call CopyBytes
; de = $c811
ld hl, PartyCount
ld bc, 1 + PARTY_LENGTH + 1
call CopyBytes
; de = $c819
ld hl, PlayerID
ld bc, 2
call CopyBytes
; de = $c81b
ld hl, PartyMon1Species
ld bc, PARTY_LENGTH * PARTYMON_STRUCT_LENGTH
call CopyBytes
; de = $c93b
ld hl, PartyMonOT
ld bc, PARTY_LENGTH * NAME_LENGTH
call CopyBytes
; de = $c97d
ld hl, PartyMonNicknames
ld bc, PARTY_LENGTH * PKMN_NAME_LENGTH
call CopyBytes
; de = $c9bf
; Okay, we did all that. Now, are we in the trade center?
ld a, [wLinkMode]
cp LINK_TRADECENTER
ret nz
; Fill 5 bytes at wc9f4 with $20
ld de, wc9f4
ld a, $20
call Function28682
; Copy all the mail messages to wc9f9
ld a, BANK(sPartyMail)
call GetSRAMBank
ld hl, sPartyMail
ld b, PARTY_LENGTH
.loop2
push bc
ld bc, MAIL_MSG_LENGTH + 1
call CopyBytes
ld bc, sPartyMon1MailEnd - sPartyMon1MailAuthor
add hl, bc
pop bc
dec b
jr nz, .loop2
; Copy the mail metadata to wcabf
ld hl, sPartyMail
ld b, PARTY_LENGTH
.loop3
push bc
ld bc, MAIL_MSG_LENGTH + 1
add hl, bc
ld bc, sPartyMon1MailEnd - sPartyMon1MailAuthor
call CopyBytes
pop bc
dec b
jr nz, .loop3
ld b, PARTY_LENGTH
ld de, sPartyMail
ld hl, wc9f9
.loop4
push bc
push hl
push de
push hl
farcall IsMailEuropean
pop de
ld a, c
or a
jr z, .next
sub $3
jr nc, .italian_spanish
farcall HandleFrenchGermanMail
jr .next
.italian_spanish
cp $2
jr nc, .next
farcall HandleSpanishItalianMail
.next
pop de
ld hl, MAIL_STRUCT_LENGTH
add hl, de
ld d, h
ld e, l
pop hl
ld bc, sPartyMon1MailAuthor - sPartyMon1Mail
add hl, bc
pop bc
dec b
jr nz, .loop4
call CloseSRAM
ld hl, wc9f9
ld bc, PARTY_LENGTH * (sPartyMon1MailAuthor - sPartyMon1Mail)
.loop5
ld a, [hl]
cp $fe
jr nz, .skip2
ld [hl], sPartyMon1MailAuthor - sPartyMon1Mail
.skip2
inc hl
dec bc
ld a, b
or c
jr nz, .loop5
ld hl, wcabf
ld de, wcb13
ld b, PARTY_LENGTH * (sPartyMon1MailEnd - sPartyMon1MailAuthor)
ld c, $0
.loop6
inc c
ld a, [hl]
cp $fe
jr nz, .skip3
ld [hl], $ff
ld a, c
ld [de], a
inc de
.skip3
inc hl
dec b
jr nz, .loop6
ld a, $ff
ld [de], a
ret
; 28682
Function28682: ; 28682
ld c, $5
.loop
ld [de], a
inc de
dec c
jr nz, .loop
ret
; 2868a
Function2868a: ; 2868a
push hl
ld d, h
ld e, l
ld bc, wLinkOTPartyMonTypes
ld hl, wcbe8
ld a, c
ld [hli], a
ld [hl], b
ld hl, OTPartyMon1Species
ld c, PARTY_LENGTH
.loop
push bc
call .ConvertToGen2
pop bc
dec c
jr nz, .loop
pop hl
ld bc, PARTY_LENGTH * REDMON_STRUCT_LENGTH
add hl, bc
ld de, OTPartyMonOT
ld bc, PARTY_LENGTH * NAME_LENGTH
call CopyBytes
ld de, OTPartyMonNicknames
ld bc, PARTY_LENGTH * PKMN_NAME_LENGTH
jp CopyBytes
; 286ba
.ConvertToGen2: ; 286ba
ld b, h
ld c, l
ld a, [de]
inc de
push bc
push de
ld [wd265], a
callfar ConvertMon_1to2
pop de
pop bc
ld a, [wd265]
ld [bc], a
ld [CurSpecies], a
ld hl, MON_HP
add hl, bc
ld a, [de]
inc de
ld [hli], a
ld a, [de]
inc de
ld [hl], a
inc de
ld hl, MON_STATUS
add hl, bc
ld a, [de]
inc de
ld [hl], a
ld hl, wcbe8
ld a, [hli]
ld h, [hl]
ld l, a
ld a, [de]
ld [hli], a
inc de
ld a, [de]
ld [hli], a
inc de
ld a, l
ld [wcbe8], a
ld a, h
ld [wcbe8 + 1], a
push bc
ld hl, MON_ITEM
add hl, bc
push hl
ld h, d
ld l, e
pop de
push bc
ld a, [hli]
ld b, a
call TimeCapsule_ReplaceTeruSama
ld a, b
ld [de], a
inc de
pop bc
ld bc, $19
call CopyBytes
pop bc
ld d, h
ld e, l
ld hl, $1f
add hl, bc
ld a, [de]
inc de
ld [hl], a
ld [CurPartyLevel], a
push bc
ld hl, $24
add hl, bc
push hl
ld h, d
ld l, e
pop de
ld bc, 8
call CopyBytes
pop bc
call GetBaseData
push de
push bc
ld d, h
ld e, l
ld hl, MON_STAT_EXP - 1
add hl, bc
ld c, STAT_SATK
ld b, TRUE
predef CalcPkmnStatC
pop bc
pop hl
ld a, [hQuotient + 1]
ld [hli], a
ld a, [hQuotient + 2]
ld [hli], a
push hl
push bc
ld hl, MON_STAT_EXP - 1
add hl, bc
ld c, STAT_SDEF
ld b, TRUE
predef CalcPkmnStatC
pop bc
pop hl
ld a, [hQuotient + 1]
ld [hli], a
ld a, [hQuotient + 2]
ld [hli], a
push hl
ld hl, $1b
add hl, bc
ld a, $46
ld [hli], a
xor a
ld [hli], a
ld [hli], a
ld [hl], a
pop hl
inc de
inc de
ret
; 28771
TimeCapsule_ReplaceTeruSama: ; 28771
ld a, b
and a
ret z
push hl
ld hl, TimeCapsule_CatchRateItems
.loop
ld a, [hli]
and a
jr z, .end
cp b
jr z, .found
inc hl
jr .loop
.found
ld b, [hl]
.end
pop hl
ret
INCLUDE "data/time_capsule/catch_rate_items.asm"
Link_CopyOTData: ; 2879e
.loop
ld a, [hli]
cp $fe
jr z, .loop
ld [de], a
inc de
dec bc
ld a, b
or c
jr nz, .loop
ret
; 287ab
Link_CopyRandomNumbers: ; 287ab
ld a, [hLinkPlayerNumber]
cp $2
ret z
ld hl, EnemyMonSpecies
call Link_FindFirstNonControlCharacter_AllowZero
ld de, LinkBattleRNs
ld c, 10
.loop
ld a, [hli]
cp $fe
jr z, .loop
cp $fd
jr z, .loop
ld [de], a
inc de
dec c
jr nz, .loop
ret
; 287ca
Link_FindFirstNonControlCharacter_SkipZero: ; 287ca
.loop
ld a, [hli]
and a
jr z, .loop
cp $fd
jr z, .loop
cp $fe
jr z, .loop
dec hl
ret
; 287d8
Link_FindFirstNonControlCharacter_AllowZero: ; 287d8
.loop
ld a, [hli]
cp $fd
jr z, .loop
cp $fe
jr z, .loop
dec hl
ret
; 287e3
InitTradeMenuDisplay: ; 287e3
call ClearScreen
call LoadTradeScreenBorder
farcall InitTradeSpeciesList
xor a
ld hl, wOtherPlayerLinkMode
ld [hli], a
ld [hli], a
ld [hli], a
ld [hl], a
ld a, 1
ld [wMenuCursorY], a
inc a
ld [wPlayerLinkAction], a
jp LinkTrade_PlayerPartyMenu
; 28803
LinkTrade_OTPartyMenu: ; 28803
ld a, OTPARTYMON
ld [MonType], a
ld a, A_BUTTON | D_UP | D_DOWN
ld [wMenuJoypadFilter], a
ld a, [OTPartyCount]
ld [w2DMenuNumRows], a
ld a, 1
ld [w2DMenuNumCols], a
ld a, 9
ld [w2DMenuCursorInitY], a
ld a, 6
ld [w2DMenuCursorInitX], a
ld a, 1
ld [wMenuCursorX], a
ln a, 1, 0
ld [w2DMenuCursorOffsets], a
ld a, $20
ld [w2DMenuFlags1], a
xor a
ld [w2DMenuFlags2], a
LinkTradeOTPartymonMenuLoop: ; 28835
farcall LinkTradeMenu
ld a, d
and a
jp z, LinkTradePartiesMenuMasterLoop
bit A_BUTTON_F, a
jr z, .not_a_button
ld a, $1
ld [wInitListType], a
callfar InitList
ld hl, OTPartyMon1Species
farcall LinkMonStatsScreen
jp LinkTradePartiesMenuMasterLoop
.not_a_button
bit D_UP_F, a
jr z, .not_d_up
ld a, [wMenuCursorY]
ld b, a
ld a, [OTPartyCount]
cp b
jp nz, LinkTradePartiesMenuMasterLoop
xor a
ld [MonType], a
call HideCursor
push hl
push bc
ld bc, NAME_LENGTH
add hl, bc
ld [hl], " "
pop bc
pop hl
ld a, [PartyCount]
ld [wMenuCursorY], a
jr LinkTrade_PlayerPartyMenu
.not_d_up
bit D_DOWN_F, a
jp z, LinkTradePartiesMenuMasterLoop
jp Function28ac9
; 2888b
LinkTrade_PlayerPartyMenu: ; 2888b
farcall InitMG_Mobile_LinkTradePalMap
xor a
ld [MonType], a
ld a, A_BUTTON | D_UP | D_DOWN
ld [wMenuJoypadFilter], a
ld a, [PartyCount]
ld [w2DMenuNumRows], a
ld a, 1
ld [w2DMenuNumCols], a
ld a, 1
ld [w2DMenuCursorInitY], a
ld a, 6
ld [w2DMenuCursorInitX], a
ld a, 1
ld [wMenuCursorX], a
ln a, 1, 0
ld [w2DMenuCursorOffsets], a
ld a, $20
ld [w2DMenuFlags1], a
xor a
ld [w2DMenuFlags2], a
call WaitBGMap2
LinkTradePartymonMenuLoop: ; 288c5
farcall LinkTradeMenu
ld a, d
and a
jr nz, .check_joypad
jp LinkTradePartiesMenuMasterLoop
.check_joypad
bit A_BUTTON_F, a
jr z, .not_a_button
jp Function28926
.not_a_button
bit D_DOWN_F, a
jr z, .not_d_down
ld a, [wMenuCursorY]
dec a
jp nz, LinkTradePartiesMenuMasterLoop
ld a, OTPARTYMON
ld [MonType], a
call HideCursor
push hl
push bc
ld bc, NAME_LENGTH
add hl, bc
ld [hl], " "
pop bc
pop hl
ld a, 1
ld [wMenuCursorY], a
jp LinkTrade_OTPartyMenu
.not_d_down
bit D_UP_F, a
jr z, LinkTradePartiesMenuMasterLoop
ld a, [wMenuCursorY]
ld b, a
ld a, [PartyCount]
cp b
jr nz, LinkTradePartiesMenuMasterLoop
call HideCursor
push hl
push bc
ld bc, NAME_LENGTH
add hl, bc
ld [hl], " "
pop bc
pop hl
jp Function28ade
; 2891c
LinkTradePartiesMenuMasterLoop: ; 2891c
ld a, [MonType]
and a
jp z, LinkTradePartymonMenuLoop ; PARTYMON
jp LinkTradeOTPartymonMenuLoop ; OTPARTYMON
; 28926
Function28926: ; 28926
call LoadTileMapToTempTileMap
ld a, [wMenuCursorY]
push af
hlcoord 0, 15
ld b, 1
ld c, 18
call Predef_LinkTextbox
hlcoord 2, 16
ld de, .String_Stats_Trade
call PlaceString
farcall Link_WaitBGMap
.joy_loop
ld a, " "
ldcoord_a 11, 16
ld a, A_BUTTON | B_BUTTON | D_RIGHT
ld [wMenuJoypadFilter], a
ld a, 1
ld [w2DMenuNumRows], a
ld a, 1
ld [w2DMenuNumCols], a
ld a, 16
ld [w2DMenuCursorInitY], a
ld a, 1
ld [w2DMenuCursorInitX], a
ld a, 1
ld [wMenuCursorY], a
ld [wMenuCursorX], a
ln a, 2, 0
ld [w2DMenuCursorOffsets], a
xor a
ld [w2DMenuFlags1], a
ld [w2DMenuFlags2], a
call ScrollingMenuJoypad
bit D_RIGHT_F, a
jr nz, .d_right
bit B_BUTTON_F, a
jr z, .show_stats
.b_button
pop af
ld [wMenuCursorY], a
call Call_LoadTempTileMapToTileMap
jp LinkTrade_PlayerPartyMenu
.d_right
ld a, " "
ldcoord_a 1, 16
ld a, A_BUTTON | B_BUTTON | D_LEFT
ld [wMenuJoypadFilter], a
ld a, 1
ld [w2DMenuNumRows], a
ld a, 1
ld [w2DMenuNumCols], a
ld a, 16
ld [w2DMenuCursorInitY], a
ld a, 11
ld [w2DMenuCursorInitX], a
ld a, 1
ld [wMenuCursorY], a
ld [wMenuCursorX], a
ln a, 2, 0
ld [w2DMenuCursorOffsets], a
xor a
ld [w2DMenuFlags1], a
ld [w2DMenuFlags2], a
call ScrollingMenuJoypad
bit D_LEFT_F, a
jp nz, .joy_loop
bit B_BUTTON_F, a
jr nz, .b_button
jr .try_trade
.show_stats
pop af
ld [wMenuCursorY], a
ld a, $4
ld [wInitListType], a
callfar InitList
farcall LinkMonStatsScreen
call Call_LoadTempTileMapToTileMap
hlcoord 6, 1
lb bc, 6, 1
ld a, " "
call LinkEngine_FillBox
hlcoord 17, 1
lb bc, 6, 1
ld a, " "
call LinkEngine_FillBox
jp LinkTrade_PlayerPartyMenu
.try_trade
call PlaceHollowCursor
pop af
ld [wMenuCursorY], a
dec a
ld [wd002], a
ld [wPlayerLinkAction], a
farcall Function16d6ce
ld a, [wOtherPlayerLinkMode]
cp $f
jp z, InitTradeMenuDisplay
ld [wd003], a
call Function28b68
ld c, 100
call DelayFrames
farcall ValidateOTTrademon
jr c, .abnormal
farcall Functionfb5dd
jp nc, LinkTrade
xor a
ld [wcf57], a
ld [wOtherPlayerLinkAction], a
hlcoord 0, 12
ld b, 4
ld c, 18
call Predef_LinkTextbox
farcall Link_WaitBGMap
ld hl, .Text_CantTradeLastMon
bccoord 1, 14
call PlaceHLTextAtBC
jr .cancel_trade
.abnormal
xor a
ld [wcf57], a
ld [wOtherPlayerLinkAction], a
ld a, [wd003]
ld hl, OTPartySpecies
ld c, a
ld b, $0
add hl, bc
ld a, [hl]
ld [wd265], a
call GetPokemonName
hlcoord 0, 12
ld b, 4
ld c, 18
call Predef_LinkTextbox
farcall Link_WaitBGMap
ld hl, .Text_Abnormal
bccoord 1, 14
call PlaceHLTextAtBC
.cancel_trade
hlcoord 0, 12
ld b, 4
ld c, 18
call Predef_LinkTextbox
hlcoord 1, 14
ld de, String_TooBadTheTradeWasCanceled
call PlaceString
ld a, $1
ld [wPlayerLinkAction], a
farcall Function16d6ce
ld c, 100
call DelayFrames
jp InitTradeMenuDisplay
; 28aaf
.Text_CantTradeLastMon: ; 0x28aaf
; If you trade that #MON, you won't be able to battle.
text_jump UnknownText_0x1c41b1
db "@"
; 0x28ab4
.String_Stats_Trade: ; 28ab4
db "STATS TRADE@"
.Text_Abnormal: ; 0x28ac4
; Your friend's @ appears to be abnormal!
text_jump UnknownText_0x1c41e6
db "@"
; 0x28ac9
Function28ac9: ; 28ac9
ld a, [wMenuCursorY]
cp 1
jp nz, LinkTradePartiesMenuMasterLoop
call HideCursor
push hl
push bc
ld bc, NAME_LENGTH
add hl, bc
ld [hl], " "
pop bc
pop hl
Function28ade: ; 28ade
.loop1
ld a, "â–¶"
ldcoord_a 9, 17
.loop2
call JoyTextDelay
ld a, [hJoyLast]
and a
jr z, .loop2
bit A_BUTTON_F, a
jr nz, .a_button
push af
ld a, " "
ldcoord_a 9, 17
pop af
bit D_UP_F, a
jr z, .d_up
ld a, [OTPartyCount]
ld [wMenuCursorY], a
jp LinkTrade_OTPartyMenu
.d_up
ld a, $1
ld [wMenuCursorY], a
jp LinkTrade_PlayerPartyMenu
.a_button
ld a, "â–·"
ldcoord_a 9, 17
ld a, $f
ld [wPlayerLinkAction], a
farcall Function16d6ce
ld a, [wOtherPlayerLinkMode]
cp $f
jr nz, .loop1
Function28b22: ; 28b22
call RotateThreePalettesRight
call ClearScreen
ld b, SCGB_DIPLOMA
call GetSGBLayout
call WaitBGMap2
xor a
ld [wcfbb], a
xor a
ld [rSB], a
ld [hSerialSend], a
ld a, $1
ld [rSC], a
ld a, $81
ld [rSC], a
ret
; 28b42
Function28b42: ; 28b42
; unreferenced
hlcoord 0, 16
ld a, "┘"
ld bc, 2 * SCREEN_WIDTH
call ByteFill
hlcoord 1, 16
ld a, " "
ld bc, SCREEN_WIDTH - 2
call ByteFill
hlcoord 2, 16
ld de, .Cancel
jp PlaceString
; 28b61
.Cancel: ; 28b61
db "CANCEL@"
; 28b68
Function28b68: ; 28b68
ld a, [wOtherPlayerLinkMode]
hlcoord 6, 9
ld bc, SCREEN_WIDTH
call AddNTimes
ld [hl], "â–·"
ret
; 28b77
LinkEngine_FillBox: ; 28b77
.row
push bc
push hl
.col
ld [hli], a
dec c
jr nz, .col
pop hl
ld bc, SCREEN_WIDTH
add hl, bc
pop bc
dec b
jr nz, .row
ret
; 28b87
LinkTrade: ; 28b87
xor a
ld [wcf57], a
ld [wOtherPlayerLinkAction], a
hlcoord 0, 12
ld b, $4
ld c, $12
call Predef_LinkTextbox
farcall Link_WaitBGMap
ld a, [wd002]
ld hl, PartySpecies
ld c, a
ld b, $0
add hl, bc
ld a, [hl]
ld [wd265], a
call GetPokemonName
ld hl, StringBuffer1
ld de, wd004
ld bc, PKMN_NAME_LENGTH
call CopyBytes
ld a, [wd003]
ld hl, OTPartySpecies
ld c, a
ld b, $0
add hl, bc
ld a, [hl]
ld [wd265], a
call GetPokemonName
ld hl, UnknownText_0x28eb8
bccoord 1, 14
call PlaceHLTextAtBC
call LoadStandardMenuDataHeader
hlcoord 10, 7
ld b, 3
ld c, 7
call Predef_LinkTextbox
ld de, String28eab
hlcoord 12, 8
call PlaceString
ld a, 8
ld [w2DMenuCursorInitY], a
ld a, 11
ld [w2DMenuCursorInitX], a
ld a, 1
ld [w2DMenuNumCols], a
ld a, 2
ld [w2DMenuNumRows], a
xor a
ld [w2DMenuFlags1], a
ld [w2DMenuFlags2], a
ld a, $20
ld [w2DMenuCursorOffsets], a
ld a, A_BUTTON | B_BUTTON
ld [wMenuJoypadFilter], a
ld a, 1
ld [wMenuCursorY], a
ld [wMenuCursorX], a
farcall Link_WaitBGMap
call ScrollingMenuJoypad
push af
call Call_ExitMenu
call WaitBGMap2
pop af
bit 1, a
jr nz, .asm_28c33
ld a, [wMenuCursorY]
dec a
jr z, .asm_28c54
.asm_28c33
ld a, $1
ld [wPlayerLinkAction], a
hlcoord 0, 12
ld b, 4
ld c, 18
call Predef_LinkTextbox
hlcoord 1, 14
ld de, String_TooBadTheTradeWasCanceled
call PlaceString
farcall Function16d6ce
jp Function28ea3
.asm_28c54
ld a, $2
ld [wPlayerLinkAction], a
farcall Function16d6ce
ld a, [wOtherPlayerLinkMode]
dec a
jr nz, .asm_28c7b
hlcoord 0, 12
ld b, 4
ld c, 18
call Predef_LinkTextbox
hlcoord 1, 14
ld de, String_TooBadTheTradeWasCanceled
call PlaceString
jp Function28ea3
.asm_28c7b
ld hl, sPartyMail
ld a, [wd002]
ld bc, MAIL_STRUCT_LENGTH
call AddNTimes
ld a, BANK(sPartyMail)
call GetSRAMBank
ld d, h
ld e, l
ld bc, MAIL_STRUCT_LENGTH
add hl, bc
ld a, [wd002]
ld c, a
.asm_28c96
inc c
ld a, c
cp $6
jr z, .asm_28ca6
push bc
ld bc, MAIL_STRUCT_LENGTH
call CopyBytes
pop bc
jr .asm_28c96
.asm_28ca6
ld hl, sPartyMail
ld a, [PartyCount]
dec a
ld bc, MAIL_STRUCT_LENGTH
call AddNTimes
push hl
ld hl, wc9f4
ld a, [wd003]
ld bc, MAIL_STRUCT_LENGTH
call AddNTimes
pop de
ld bc, MAIL_STRUCT_LENGTH
call CopyBytes
call CloseSRAM
ld hl, PlayerName
ld de, wPlayerTrademonSenderName
ld bc, NAME_LENGTH
call CopyBytes
ld a, [wd002]
ld hl, PartySpecies
ld b, $0
ld c, a
add hl, bc
ld a, [hl]
ld [wPlayerTrademonSpecies], a
push af
ld a, [wd002]
ld hl, PartyMonOT
call SkipNames
ld de, wPlayerTrademonOTName
ld bc, NAME_LENGTH
call CopyBytes
ld hl, PartyMon1ID
ld a, [wd002]
call GetPartyLocation
ld a, [hli]
ld [wPlayerTrademonID], a
ld a, [hl]
ld [wPlayerTrademonID + 1], a
ld hl, PartyMon1DVs
ld a, [wd002]
call GetPartyLocation
ld a, [hli]
ld [wPlayerTrademonDVs], a
ld a, [hl]
ld [wPlayerTrademonDVs + 1], a
ld a, [wd002]
ld hl, PartyMon1Species
call GetPartyLocation
ld b, h
ld c, l
farcall GetCaughtGender
ld a, c
ld [wPlayerTrademonCaughtData], a
ld hl, OTPlayerName
ld de, wOTTrademonSenderName
ld bc, NAME_LENGTH
call CopyBytes
ld a, [wd003]
ld hl, OTPartySpecies
ld b, $0
ld c, a
add hl, bc
ld a, [hl]
ld [wOTTrademonSpecies], a
ld a, [wd003]
ld hl, OTPartyMonOT
call SkipNames
ld de, wOTTrademonOTName
ld bc, NAME_LENGTH
call CopyBytes
ld hl, OTPartyMon1ID
ld a, [wd003]
call GetPartyLocation
ld a, [hli]
ld [wOTTrademonID], a
ld a, [hl]
ld [wOTTrademonID + 1], a
ld hl, OTPartyMon1DVs
ld a, [wd003]
call GetPartyLocation
ld a, [hli]
ld [wOTTrademonDVs], a
ld a, [hl]
ld [wOTTrademonDVs + 1], a
ld a, [wd003]
ld hl, OTPartyMon1Species
call GetPartyLocation
ld b, h
ld c, l
farcall GetCaughtGender
ld a, c
ld [wOTTrademonCaughtData], a
ld a, [wd002]
ld [CurPartyMon], a
ld hl, PartySpecies
ld b, $0
ld c, a
add hl, bc
ld a, [hl]
ld [wd002], a
xor a
ld [wPokemonWithdrawDepositParameter], a
callfar RemoveMonFromPartyOrBox
ld a, [PartyCount]
dec a
ld [CurPartyMon], a
ld a, $1
ld [wForceEvolution], a
ld a, [wd003]
push af
ld hl, OTPartySpecies
ld b, $0
ld c, a
add hl, bc
ld a, [hl]
ld [wd003], a
ld c, 100
call DelayFrames
call ClearTileMap
call LoadFontsBattleExtra
ld b, SCGB_DIPLOMA
call GetSGBLayout
ld a, [hLinkPlayerNumber]
cp $1
jr z, .player_2
predef TradeAnimation
jr .done_animation
.player_2
predef TradeAnimationPlayer2
.done_animation
pop af
ld c, a
ld [CurPartyMon], a
ld hl, OTPartySpecies
ld d, $0
ld e, a
add hl, de
ld a, [hl]
ld [CurPartySpecies], a
ld hl, OTPartyMon1Species
ld a, c
call GetPartyLocation
ld de, TempMonSpecies
ld bc, PARTYMON_STRUCT_LENGTH
call CopyBytes
predef AddTempmonToParty
ld a, [PartyCount]
dec a
ld [CurPartyMon], a
callfar EvolvePokemon
call ClearScreen
call LoadTradeScreenBorder
call SetTradeRoomBGPals
farcall Link_WaitBGMap
ld b, $1
pop af
ld c, a
cp MEW
jr z, .loop
ld a, [CurPartySpecies]
cp MEW
jr z, .loop
ld b, $2
ld a, c
cp CELEBI
jr z, .loop
ld a, [CurPartySpecies]
cp CELEBI
jr z, .loop
ld b, $0
.loop
ld a, b
ld [wPlayerLinkAction], a
push bc
call Function862
pop bc
ld a, [wLinkMode]
cp LINK_TIMECAPSULE
jr z, .save
ld a, b
and a
jr z, .save
ld a, [wOtherPlayerLinkAction]
cp b
jr nz, .loop
.save
farcall SaveAfterLinkTrade
farcall TrainerRankings_Trades
farcall BackupMobileEventIndex
ld c, 40
call DelayFrames
hlcoord 0, 12
ld b, 4
ld c, 18
call Predef_LinkTextbox
hlcoord 1, 14
ld de, String28ebd
call PlaceString
farcall Link_WaitBGMap
ld c, 50
call DelayFrames
ld a, [wLinkMode]
cp LINK_TIMECAPSULE
jp z, TimeCapsule
jp Gen2ToGen2LinkComms
; 28ea3
Function28ea3: ; 28ea3
ld c, 100
call DelayFrames
jp InitTradeMenuDisplay
; 28eab
String28eab: ; 28eab
db "TRADE"
next "CANCEL@"
UnknownText_0x28eb8: ; 0x28eb8
; Trade @ for @ ?
text_jump UnknownText_0x1c4212
db "@"
; 0x28ebd
String28ebd: ; 28ebd
db "Trade completed!@"
String_TooBadTheTradeWasCanceled: ; 28ece
db "Too bad! The trade"
next "was canceled!@"
Predef_LinkTextbox: ; 28eef
ld d, h
ld e, l
farcall LinkTextbox
ret
; 28ef8
LoadTradeScreenBorder: ; 28ef8
farcall _LoadTradeScreenBorder
ret
; 28eff
SetTradeRoomBGPals: ; 28eff
farcall LoadTradeRoomBGPals_ ; just a nested farcall; so wasteful
call SetPalettes
ret
; 28f09
Function28f09: ; 28f09
; unreferenced
hlcoord 0, 0
ld b, 6
ld c, 18
call Predef_LinkTextbox
hlcoord 0, 8
ld b, 6
ld c, 18
call Predef_LinkTextbox
farcall PlaceTradePartnerNamesAndParty
ret
; 28f24
INCLUDE "engine/trade_animation.asm"
Special_CheckTimeCapsuleCompatibility: ; 29bfb
; Checks to see if your Party is compatible with the generation 1 games. Returns the following in ScriptVar:
; 0: Party is okay
; 1: At least one Pokemon was introduced in GS
; 2: At least one Pokemon has a move that was introduced in GS
; 3: At least one Pokemon is holding mail
; If any party Pokemon was introduced in the generation 2 games, don't let it in.
ld hl, PartySpecies
ld b, PARTY_LENGTH ; 6
.loop
ld a, [hli]
cp -1
jr z, .checkitem
cp CHIKORITA ; MEW + 1 ; 151 + 1
jr nc, .mon_too_new
dec b
jr nz, .loop
; If any party Pokemon is holding mail, don't let it in.
.checkitem
ld a, [PartyCount]
ld b, a
ld hl, PartyMon1Item
.itemloop
push hl
push bc
ld d, [hl]
farcall ItemIsMail
pop bc
pop hl
jr c, .mon_has_mail
ld de, PARTYMON_STRUCT_LENGTH
add hl, de
dec b
jr nz, .itemloop
; If any party Pokemon has a move that was introduced in the generation 2 games, don't let it in.
ld hl, PartyMon1Moves
ld a, [PartyCount]
ld b, a
.move_loop
ld c, NUM_MOVES
.move_next
ld a, [hli]
cp STRUGGLE + 1
jr nc, .move_too_new
dec c
jr nz, .move_next
ld de, PartyMon2 - (PartyMon1 + NUM_MOVES)
add hl, de
dec b
jr nz, .move_loop
xor a
jr .done
.mon_too_new
ld [wd265], a
call GetPokemonName
ld a, $1
jr .done
.move_too_new
push bc
ld [wd265], a
call GetMoveName
call CopyName1
pop bc
call Function29c67
ld a, $2
jr .done
.mon_has_mail
call Function29c67
ld a, $3
.done
ld [ScriptVar], a
ret
; 29c67
Function29c67: ; 29c67
ld a, [PartyCount]
sub b
ld c, a
inc c
ld b, $0
ld hl, PartyCount
add hl, bc
ld a, [hl]
ld [wd265], a
call GetPokemonName
ret
; 29c7b
Special_EnterTimeCapsule: ; 29c7b
ld c, 10
call DelayFrames
ld a, $4
call Link_EnsureSync
ld c, 40
call DelayFrames
xor a
ld [hVBlank], a
inc a
ld [wLinkMode], a
ret
; 29c92
WaitForOtherPlayerToExit: ; 29c92
ld c, 3
call DelayFrames
ld a, -1
ld [hLinkPlayerNumber], a
xor a
ld [rSB], a
ld [hSerialReceive], a
ld a, $1
ld [rSC], a
ld a, $81
ld [rSC], a
ld c, 3
call DelayFrames
xor a
ld [rSB], a
ld [hSerialReceive], a
ld a, $0
ld [rSC], a
ld a, $80
ld [rSC], a
ld c, $3
call DelayFrames
xor a
ld [rSB], a
ld [hSerialReceive], a
ld [rSC], a
ld c, 3
call DelayFrames
ld a, -1
ld [hLinkPlayerNumber], a
ld a, [rIF]
push af
xor a
ld [rIF], a
ld a, $f
ld [rIE], a
pop af
ld [rIF], a
ld hl, wLinkTimeoutFrames
xor a
ld [hli], a
ld [hl], a
ld [hVBlank], a
ld [wLinkMode], a
ret
; 29ce8
Special_SetBitsForLinkTradeRequest: ; 29ce8
ld a, LINK_TRADECENTER - 1
ld [wPlayerLinkAction], a
ld [wd265], a
ret
; 29cf1
Special_SetBitsForBattleRequest: ; 29cf1
ld a, LINK_COLOSSEUM - 1
ld [wPlayerLinkAction], a
ld [wd265], a
ret
; 29cfa
Special_SetBitsForTimeCapsuleRequest: ; 29cfa
ld a, $2
ld [rSB], a
xor a
ld [hSerialReceive], a
ld a, $0
ld [rSC], a
ld a, $80
ld [rSC], a
xor a ; LINK_TIMECAPSULE - 1
ld [wPlayerLinkAction], a
ld [wd265], a
ret
; 29d11
Special_WaitForLinkedFriend: ; 29d11
ld a, [wPlayerLinkAction]
and a
jr z, .no_link_action
ld a, $2
ld [rSB], a
xor a
ld [hSerialReceive], a
ld a, $0
ld [rSC], a
ld a, $80
ld [rSC], a
call DelayFrame
call DelayFrame
call DelayFrame
.no_link_action
ld a, $2
ld [wLinkTimeoutFrames + 1], a
ld a, $ff
ld [wLinkTimeoutFrames], a
.loop
ld a, [hLinkPlayerNumber]
cp $2
jr z, .connected
cp $1
jr z, .connected
ld a, -1
ld [hLinkPlayerNumber], a
ld a, $2
ld [rSB], a
xor a
ld [hSerialReceive], a
ld a, $0
ld [rSC], a
ld a, $80
ld [rSC], a
ld a, [wLinkTimeoutFrames]
dec a
ld [wLinkTimeoutFrames], a
jr nz, .not_done
ld a, [wLinkTimeoutFrames + 1]
dec a
ld [wLinkTimeoutFrames + 1], a
jr z, .done
.not_done
ld a, $1
ld [rSB], a
ld a, $1
ld [rSC], a
ld a, $81
ld [rSC], a
call DelayFrame
jr .loop
.connected
call LinkDataReceived
call DelayFrame
call LinkDataReceived
ld c, 50
call DelayFrames
ld a, $1
ld [ScriptVar], a
ret
.done
xor a
ld [ScriptVar], a
ret
; 29d92
Special_CheckLinkTimeout: ; 29d92
ld a, $1
ld [wPlayerLinkAction], a
ld hl, wLinkTimeoutFrames
ld a, $3
ld [hli], a
xor a
ld [hl], a
call WaitBGMap
ld a, $2
ld [hVBlank], a
call DelayFrame
call DelayFrame
call Link_CheckCommunicationError
xor a
ld [hVBlank], a
ld a, [ScriptVar]
and a
ret nz
jp Link_ResetSerialRegistersAfterLinkClosure
; 29dba
Function29dba: ; 29dba
ld a, $5
ld [wPlayerLinkAction], a
ld hl, wLinkTimeoutFrames
ld a, $3
ld [hli], a
xor a
ld [hl], a
call WaitBGMap
ld a, $2
ld [hVBlank], a
call DelayFrame
call DelayFrame
call Link_CheckCommunicationError
ld a, [ScriptVar]
and a
jr z, .vblank
ld bc, -1
.wait
dec bc
ld a, b
or c
jr nz, .wait
ld a, [wOtherPlayerLinkMode]
cp $5
jr nz, .script_var
ld a, $6
ld [wPlayerLinkAction], a
ld hl, wLinkTimeoutFrames
ld a, $1
ld [hli], a
ld [hl], $32
call Link_CheckCommunicationError
ld a, [wOtherPlayerLinkMode]
cp $6
jr z, .vblank
.script_var
xor a
ld [ScriptVar], a
ret
.vblank
xor a
ld [hVBlank], a
ret
; 29e0c
Link_CheckCommunicationError: ; 29e0c
xor a
ld [hFFCA], a
ld a, [wLinkTimeoutFrames]
ld h, a
ld a, [wLinkTimeoutFrames + 1]
ld l, a
push hl
call .CheckConnected
pop hl
jr nz, .load_true
call .AcknowledgeSerial
call .ConvertDW
call .CheckConnected
jr nz, .load_true
call .AcknowledgeSerial
xor a
jr .load_scriptvar
.load_true
ld a, $1
.load_scriptvar
ld [ScriptVar], a
ld hl, wLinkTimeoutFrames
xor a
ld [hli], a
ld [hl], a
ret
; 29e3b
.CheckConnected: ; 29e3b
call WaitLinkTransfer
ld hl, wLinkTimeoutFrames
ld a, [hli]
inc a
ret nz
ld a, [hl]
inc a
ret
; 29e47
.AcknowledgeSerial: ; 29e47
ld b, 10
.loop
call DelayFrame
call LinkDataReceived
dec b
jr nz, .loop
ret
; 29e53
.ConvertDW: ; 29e53
; [wLinkTimeoutFrames] = ((hl - $100) / 4) + $100
; = (hl / 4) + $c0
dec h
srl h
rr l
srl h
rr l
inc h
ld a, h
ld [wLinkTimeoutFrames], a
ld a, l
ld [wLinkTimeoutFrames + 1], a
ret
; 29e66
Special_TryQuickSave: ; 29e66
ld a, [wd265]
push af
farcall Link_SaveGame
ld a, $1
jr nc, .return_result
xor a
.return_result
ld [ScriptVar], a
ld c, 30
call DelayFrames
pop af
ld [wd265], a
ret
; 29e82
Special_CheckBothSelectedSameRoom: ; 29e82
ld a, [wd265]
call Link_EnsureSync
push af
call LinkDataReceived
call DelayFrame
call LinkDataReceived
pop af
ld b, a
ld a, [wd265]
cp b
jr nz, .fail
ld a, [wd265]
inc a
ld [wLinkMode], a
xor a
ld [hVBlank], a
ld a, $1
ld [ScriptVar], a
ret
.fail
xor a
ld [ScriptVar], a
ret
; 29eaf
Special_TimeCapsule: ; 29eaf
ld a, LINK_TIMECAPSULE
ld [wLinkMode], a
call DisableSpriteUpdates
callfar LinkCommunications
call EnableSpriteUpdates
xor a
ld [hVBlank], a
ret
; 29ec4
Special_TradeCenter: ; 29ec4
ld a, LINK_TRADECENTER
ld [wLinkMode], a
call DisableSpriteUpdates
callfar LinkCommunications
call EnableSpriteUpdates
xor a
ld [hVBlank], a
ret
; 29ed9
Special_Colosseum: ; 29ed9
ld a, LINK_COLOSSEUM
ld [wLinkMode], a
call DisableSpriteUpdates
callfar LinkCommunications
call EnableSpriteUpdates
xor a
ld [hVBlank], a
ret
; 29eee
Special_CloseLink: ; 29eee
xor a
ld [wLinkMode], a
ld c, 3
call DelayFrames
jp Link_ResetSerialRegistersAfterLinkClosure
; 29efa
Special_FailedLinkToPast: ; 29efa
ld c, 40
call DelayFrames
ld a, $e
jp Link_EnsureSync
; 29f04
Link_ResetSerialRegistersAfterLinkClosure: ; 29f04
ld c, 3
call DelayFrames
ld a, -1
ld [hLinkPlayerNumber], a
ld a, $2
ld [rSB], a
xor a
ld [hSerialReceive], a
ld [rSC], a
ret
; 29f17
Link_EnsureSync: ; 29f17
add $d0
ld [wPlayerLinkAction], a
ld [wcf57], a
ld a, $2
ld [hVBlank], a
call DelayFrame
call DelayFrame
.receive_loop
call Function83b
ld a, [wOtherPlayerLinkMode]
ld b, a
and $f0
cp $d0
jr z, .done
ld a, [wOtherPlayerLinkAction]
ld b, a
and $f0
cp $d0
jr nz, .receive_loop
.done
xor a
ld [hVBlank], a
ld a, b
and $f
ret
; 29f47
Special_CableClubCheckWhichChris: ; 29f47
ld a, [hLinkPlayerNumber]
cp $1
ld a, $1
jr z, .yes
dec a
.yes
ld [ScriptVar], a
ret
; 29f54
UnusedGen1LinkCommsBorderGFX: ; 29f54
; unreferenced
INCBIN "gfx/trade/unused_gen_1_border_tiles.2bpp"
; 29fe4
Function29fe4: ; unreferenced
ld a, BANK(sPartyMail)
call GetSRAMBank
ld d, $0
ld b, CHECK_FLAG
predef FlagPredef
call CloseSRAM
ld a, c
and a
ret