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pokecrystal-board/home.asm

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INCLUDE "includes.asm"
SECTION "NULL", ROM0[0]
NULL::
INCLUDE "rst.asm"
INCLUDE "interrupts.asm"
SECTION "Header", ROM0[$100]
Start::
nop
jp _Start
SECTION "Home", ROM0[$150]
INCLUDE "home/init.asm"
INCLUDE "home/vblank.asm"
INCLUDE "home/delay.asm"
INCLUDE "home/rtc.asm"
INCLUDE "home/fade.asm"
INCLUDE "home/lcd.asm"
INCLUDE "home/time.asm"
INCLUDE "home/serial.asm"
INCLUDE "home/joypad.asm"
INCLUDE "home/decompress.asm"
INCLUDE "home/palettes.asm"
INCLUDE "home/copy.asm"
INCLUDE "home/text.asm"
INCLUDE "home/video.asm"
INCLUDE "home/map_objects.asm"
INCLUDE "home/sine.asm"
INCLUDE "home/movement.asm"
INCLUDE "home/tilemap.asm"
INCLUDE "home/menu.asm"
INCLUDE "home/handshake.asm"
INCLUDE "home/game_time.asm"
INCLUDE "home/map.asm"
Function2d43:: ; 2d43
; Inexplicably empty.
; Seen in PredefPointers.
rept 16
nop
endr
ret
; 2d54
INCLUDE "home/farcall.asm"
INCLUDE "home/predef.asm"
INCLUDE "home/window.asm"
Function2e4e:: ; 2e4e
; Unreferenced.
scf
ret
; 2e50
INCLUDE "home/flag.asm"
Function2ebb:: ; 2ebb
ld a, [$c2cc]
bit 1, a
ret z
ld a, [hJoyDown]
bit 1, a ; B_BUTTON
ret
; 2ec6
Function2ec6:: ; 2ec6
xor a
ret
; 2ec8
Function2ec8:: ; 2ec8
xor a
dec a
ret
; 2ecb
Function2ecb:: ; 2ecb
push hl
ld hl, $c2cc
bit 1, [hl]
pop hl
ret
; 2ed3
Function2ed3:: ; 0x2ed3
; disables overworld sprite updating?
xor a
ld [$ffde], a
ld a, [VramState]
res 0, a
ld [VramState], a
ld a, $0
ld [$c2ce], a
ret
; 0x2ee4
Function2ee4:: ; 2ee4
ld a, $1
ld [$c2ce], a
ld a, [VramState]
set 0, a
ld [VramState], a
ld a, $1
ld [$ffde], a
ret
; 2ef6
INCLUDE "home/string.asm"
IsInJohto:: ; 2f17
; Return 0 if the player is in Johto, and 1 in Kanto.
ld a, [MapGroup]
ld b, a
ld a, [MapNumber]
ld c, a
call GetWorldMapLocation
cp FAST_SHIP
jr z, .Johto
cp SPECIAL_MAP
jr nz, .CheckRegion
ld a, [BackupMapGroup]
ld b, a
ld a, [BackupMapNumber]
ld c, a
call GetWorldMapLocation
.CheckRegion
cp KANTO_LANDMARK
jr nc, .Kanto
.Johto
xor a
ret
.Kanto
ld a, 1
ret
; 2f3e
Function2f3e:: ; 2f3e
ret
; 2f3f
INCLUDE "home/item.asm"
INCLUDE "home/random.asm"
INCLUDE "home/sram.asm"
; Register aliases
_hl_:: ; 2fec
jp [hl]
; 2fed
_de_:: ; 2fed
push de
ret
; 2fef
INCLUDE "home/double_speed.asm"
ClearSprites:: ; 300b
; Erase OAM data
ld hl, Sprites
ld b, SpritesEnd - Sprites
xor a
.loop
ld [hli], a
dec b
jr nz, .loop
ret
; 3016
HideSprites:: ; 3016
; Set all OAM y-positions to 160 to hide them offscreen
ld hl, Sprites
ld de, 4 ; length of an OAM struct
ld b, (SpritesEnd - Sprites) / 4 ; number of OAM structs
ld a, 160 ; y
.loop
ld [hl], a
add hl, de
dec b
jr nz, .loop
ret
; 3026
INCLUDE "home/copy2.asm"
Function309d:: ; 309d
ld a, [rSVBK]
push af
ld a, 2
ld [rSVBK], a
ld hl, TileMap
ld de, $d000
ld bc, TileMapEnd - TileMap
call CopyBytes
pop af
ld [rSVBK], a
ret
; 30b4
Function30b4:: ; 30b4
xor a
ld [hBGMapMode], a
call Function30bf
ld a, 1
ld [hBGMapMode], a
ret
; 30bf
Function30bf:: ; 30bf
ld a, [rSVBK]
push af
ld a, 2
ld [rSVBK], a
ld hl, $d000
ld de, TileMap
ld bc, TileMapEnd - TileMap
call CopyBytes
pop af
ld [rSVBK], a
ret
; 30d6
CopyName1:: ; 30d6
ld hl, StringBuffer2
CopyName2:: ; 30d9
.loop
ld a, [de]
inc de
ld [hli], a
cp "@"
jr nz, .loop
ret
; 30e1
IsInArray:: ; 30e1
; Find value a for every de bytes in array hl.
; Return index in b and carry if found.
ld b, 0
ld c, a
.loop
ld a, [hl]
cp $ff
jr z, .NotInArray
cp c
jr z, .InArray
inc b
add hl, de
jr .loop
.NotInArray
and a
ret
.InArray
scf
ret
; 30f4
SkipNames:: ; 0x30f4
; Skip a names.
ld bc, NAME_LENGTH
and a
ret z
.loop
add hl, bc
dec a
jr nz, .loop
ret
; 0x30fe
AddNTimes:: ; 0x30fe
; Add bc * a to hl.
and a
ret z
.loop
add hl, bc
dec a
jr nz, .loop
ret
; 0x3105
INCLUDE "home/math.asm"
PrintLetterDelay:: ; 313d
; Wait before printing the next letter.
; The text speed setting in Options is actually a frame count:
; fast: 1 frame
; mid: 3 frames
; slow: 5 frames
; $cfcf[!0] and A or B override text speed with a one-frame delay.
; Options[4] and $cfcf[!1] disable the delay.
ld a, [Options]
bit NO_TEXT_SCROLL, a
ret nz
; non-scrolling text?
ld a, [$cfcf]
bit 1, a
ret z
push hl
push de
push bc
ld hl, hOAMUpdate
ld a, [hl]
push af
; orginally turned oam update off...
; ld a, 1
ld [hl], a
; force fast scroll?
ld a, [$cfcf]
bit 0, a
jr z, .fast
; text speed
ld a, [Options]
and %111
jr .updatedelay
.fast
ld a, 1
.updatedelay
ld [TextDelayFrames], a
.checkjoypad
call GetJoypad
; input override
ld a, [$c2d7]
and a
jr nz, .wait
; Wait one frame if holding A or B.
ld a, [hJoyDown]
bit 0, a ; A_BUTTON
jr z, .checkb
jr .delay
.checkb
bit 1, a ; B_BUTTON
jr z, .wait
.delay
call DelayFrame
jr .end
.wait
ld a, [TextDelayFrames]
and a
jr nz, .checkjoypad
.end
pop af
ld [hOAMUpdate], a
pop bc
pop de
pop hl
ret
; 318c
CopyDataUntil:: ; 318c
; Copy [hl .. bc) to de.
; In other words, the source data is
; from hl up to but not including bc,
; and the destination is de.
ld a, [hli]
ld [de], a
inc de
ld a, h
cp b
jr nz, CopyDataUntil
ld a, l
cp c
jr nz, CopyDataUntil
ret
; 0x3198
PrintNum:: ; 3198
ld a, [hROMBank]
push af
ld a, BANK(_PrintNum)
rst Bankswitch
call _PrintNum
pop af
rst Bankswitch
ret
; 31a4
Function31a4:: ; 31a4
ld a, [hROMBank]
push af
ld a, BANK(Function1061ef)
rst Bankswitch
call Function1061ef
pop af
rst Bankswitch
ret
; 31b0
FarPrintText:: ; 31b0
ld [hBuffer], a
ld a, [hROMBank]
push af
ld a, [hBuffer]
rst Bankswitch
call PrintText
pop af
rst Bankswitch
ret
; 31be
CallPointerAt:: ; 31be
ld a, [hROMBank]
push af
ld a, [hli]
rst Bankswitch
ld a, [hli]
ld h, [hl]
ld l, a
call _hl_
pop hl
ld a, h
rst Bankswitch
ret
; 31cd
Function31cd:: ; 31cd
; Push pointer hl in the current bank to $d0e8.
ld a, [hROMBank]
Function31cf:: ; 31cf
; Push pointer a:hl to $d0e8.
ld [$d0e8], a
ld a, l
ld [$d0e9], a
ld a, h
ld [$d0ea], a
ret
; 31db
StringCmp:: ; 31db
; Compare c bytes at de and hl.
; Return z if they all match.
ld a, [de]
cp [hl]
ret nz
inc de
inc hl
dec c
jr nz, StringCmp
ret
; 0x31e4
CompareLong:: ; 31e4
; Compare bc bytes at de and hl.
; Return carry if they all match.
ld a, [de]
cp [hl]
jr nz, .Diff
inc de
inc hl
dec bc
ld a, b
or c
jr nz, CompareLong
scf
ret
.Diff
and a
ret
; 31f3
WhiteBGMap:: ; 31f3
call ClearPalettes
WaitBGMap:: ; 31f6
; Tell VBlank to update BG Map
ld a, 1 ; BG Map 0 tiles
ld [hBGMapMode], a
; Wait for it to do its magic
ld c, 4
call DelayFrames
ret
; 3200
Function3200:: ; 0x3200
ld a, [hCGB]
and a
jr z, .bg0
ld a, 2
ld [hBGMapMode], a
ld c, 4
call DelayFrames
.bg0
ld a, 1
ld [hBGMapMode], a
ld c, 4
call DelayFrames
ret
; 0x3218
Function3218:: ; 3218
ld a, [hCGB]
and a
ret
; 321c
Function321c:: ; 321c
ld a, [hCGB]
and a
jr z, .dmg
ld a, [$c2ce]
cp 0
jr z, .dmg
ld a, 1
ld [hBGMapMode], a
jr Function323d
.dmg
ld a, 1
ld [hBGMapMode], a
ld c, 4
call DelayFrames
ret
; 3238
Function3238:: ; 3238
ld a, [hCGB]
and a
jr z, WaitBGMap
Function323d:: ; 323d
jr Function3246
; 323f
Function323f:: ; 323f
callba Function104000
ret
; 3246
Function3246:: ; 3246
ld a, [hBGMapMode]
push af
xor a
ld [hBGMapMode], a
ld a, [$ffde]
push af
xor a
ld [$ffde], a
.wait
ld a, [rLY]
cp $7f
jr c, .wait
di
ld a, $1
ld [rVBK], a
ld hl, AttrMap
call Function327b
ld a, $0
ld [rVBK], a
ld hl, TileMap
call Function327b
.wait2
ld a, [rLY]
cp $7f
jr c, .wait2
ei
pop af
ld [$ffde], a
pop af
ld [hBGMapMode], a
ret
; 327b
Function327b:: ; 327b
ld [hSPBuffer], sp
ld sp, hl
ld a, [$ffd7]
ld h, a
ld l, $0
ld a, $12
ld [$ffd3], a
ld b, $2
ld c, $41
.loop
rept 10
pop de
.loop\@
ld a, [$ff00+c]
and b
jr nz, .loop\@
ld [hl], e
inc l
ld [hl], d
inc l
endr
ld de, $000c
add hl, de
ld a, [$ffd3]
dec a
ld [$ffd3], a
jr nz, .loop
ld a, [hSPBuffer]
ld l, a
ld a, [hSPBuffer + 1]
ld h, a
ld sp, hl
ret
; 32f9
Function32f9:: ; 32f9
ld a, [hCGB]
and a
jr nz, .asm_3309
ld a, $e4
ld [rBGP], a
ld a, $d0
ld [rOBP0], a
ld [rOBP1], a
ret
.asm_3309
push de
ld a, $e4
call DmgToCgbBGPals
ld de, $e4e4
call DmgToCgbObjPals
pop de
ret
; 3317
ClearPalettes:: ; 3317
; Make all palettes white
; CGB: make all the palette colors white
ld a, [hCGB]
and a
jr nz, .cgb
; DMG: just change palettes to 0 (white)
xor a
ld [rBGP], a
ld [rOBP0], a
ld [rOBP1], a
ret
.cgb
ld a, [rSVBK]
push af
ld a, 5
ld [rSVBK], a
; Fill BGPals and OBPals with $ffff (white)
ld hl, BGPals
ld bc, $80
ld a, $ff
call ByteFill
pop af
ld [rSVBK], a
; Request palette update
ld a, 1
ld [hCGBPalUpdate], a
ret
; 333e
ClearSGB:: ; 333e
ld b, $ff
GetSGBLayout:: ; 3340
; load sgb packets unless dmg
ld a, [hCGB]
and a
jr nz, .dosgb
ld a, [hSGB]
and a
ret z
.dosgb
ld a, $31 ; LoadSGBLayout
jp Predef
; 334e
SetHPPal:: ; 334e
; Set palette for hp bar pixel length e at hl.
call GetHPPal
ld [hl], d
ret
; 3353
GetHPPal:: ; 3353
; Get palette for hp bar pixel length e in d.
ld d, 0 ; green
ld a, e
cp 24
ret nc
inc d ; yellow
cp 10
ret nc
inc d ; red
ret
; 335f
CountSetBits:: ; 0x335f
; Count the number of set bits in b bytes starting from hl.
; Return in a, c and [$d265].
ld c, 0
.next
ld a, [hli]
ld e, a
ld d, 8
.count
srl e
ld a, 0
adc c
ld c, a
dec d
jr nz, .count
dec b
jr nz, .next
ld a, c
ld [$d265], a
ret
; 0x3376
GetWeekday:: ; 3376
ld a, [CurDay]
.mod
sub 7
jr nc, .mod
add 7
ret
; 3380
INCLUDE "home/pokedex_flags.asm"
NamesPointers:: ; 33ab
dbw BANK(PokemonNames), PokemonNames
dbw BANK(MoveNames), MoveNames
dbw 0, 0
dbw BANK(ItemNames), ItemNames
dbw 0, PartyMonOT
dbw 0, OTPartyMonOT
dbw BANK(TrainerClassNames), TrainerClassNames
dbw $04, MoveDescriptions ; ????
; 33c3
GetName:: ; 33c3
; Return name CurSpecies from name list $cf61 in StringBuffer1.
ld a, [hROMBank]
push af
push hl
push bc
push de
ld a, [$cf61]
cp 1 ; Pokemon names
jr nz, .NotPokeName
ld a, [CurSpecies]
ld [$d265], a
call GetPokemonName
ld hl, 11
add hl, de
ld e, l
ld d, h
jr .done
.NotPokeName
ld a, [$cf61]
dec a
ld e, a
ld d, 0
ld hl, NamesPointers
add hl, de
add hl, de
add hl, de
ld a, [hli]
rst Bankswitch
ld a, [hli]
ld h, [hl]
ld l, a
ld a, [CurSpecies]
dec a
call GetNthString
ld de, StringBuffer1
ld bc, $000d
call CopyBytes
.done
ld a, e
ld [$d102], a
ld a, d
ld [$d103], a
pop de
pop bc
pop hl
pop af
rst Bankswitch
ret
; 3411
GetNthString:: ; 3411
; Return the address of the
; ath string starting from hl.
and a
ret z
push bc
ld b, a
ld c, "@"
.readChar
ld a, [hli]
cp c
jr nz, .readChar
dec b
jr nz, .readChar
pop bc
ret
; 3420
GetBasePokemonName:: ; 3420
; Discards gender (Nidoran).
push hl
call GetPokemonName
ld hl, StringBuffer1
.loop
ld a, [hl]
cp "@"
jr z, .quit
cp "♂"
jr z, .end
cp "♀"
jr z, .end
inc hl
jr .loop
.end
ld [hl], "@"
.quit
pop hl
ret
; 343b
GetPokemonName:: ; 343b
; Get Pokemon name $d265.
ld a, [hROMBank]
push af
push hl
ld a, BANK(PokemonNames)
rst Bankswitch
; Each name is ten characters
ld a, [$d265]
dec a
ld d, 0
ld e, a
ld h, 0
ld l, a
add hl, hl
add hl, hl
add hl, de
add hl, hl
ld de, PokemonNames
add hl, de
; Terminator
ld de, StringBuffer1
push de
ld bc, PKMN_NAME_LENGTH - 1
call CopyBytes
ld hl, StringBuffer1 + PKMN_NAME_LENGTH - 1
ld [hl], "@"
pop de
pop hl
pop af
rst Bankswitch
ret
; 3468
GetItemName:: ; 3468
; Get item name $d265.
push hl
push bc
ld a, [$d265]
cp TM_01
jr nc, .TM
ld [CurSpecies], a
ld a, 4 ; Item names
ld [$cf61], a
call GetName
jr .Copied
.TM
call GetTMHMName
.Copied
ld de, StringBuffer1
pop bc
pop hl
ret
; 3487
GetTMHMName:: ; 3487
; Get TM/HM name by item id $d265.
push hl
push de
push bc
ld a, [$d265]
push af
; TM/HM prefix
cp HM_01
push af
jr c, .TM
ld hl, .HMText
ld bc, .HMTextEnd - .HMText
jr .asm_34a1
.TM
ld hl, .TMText
ld bc, .TMTextEnd - .TMText
.asm_34a1
ld de, StringBuffer1
call CopyBytes
; TM/HM number
push de
ld a, [$d265]
ld c, a
callab GetTMHMNumber
pop de
; HM numbers start from 51, not 1
pop af
ld a, c
jr c, .asm_34b9
sub NUM_TMS
; Divide and mod by 10 to get the top and bottom digits respectively
.asm_34b9
ld b, "0"
.mod10
sub 10
jr c, .asm_34c2
inc b
jr .mod10
.asm_34c2
add 10
push af
ld a, b
ld [de], a
inc de
pop af
ld b, "0"
add b
ld [de], a
; End the string
inc de
ld a, "@"
ld [de], a
pop af
ld [$d265], a
pop bc
pop de
pop hl
ret
.TMText
db "TM"
.TMTextEnd
db "@"
.HMText
db "HM"
.HMTextEnd
db "@"
; 34df
IsHM:: ; 34df
cp HM_01
jr c, .NotHM
scf
ret
.NotHM
and a
ret
; 34e7
IsHMMove:: ; 34e7
ld hl, .HMMoves
ld de, 1
jp IsInArray
.HMMoves
db CUT
db FLY
db SURF
db STRENGTH
db FLASH
db WATERFALL
db WHIRLPOOL
db $ff
; 34f8
GetMoveName:: ; 34f8
push hl
; move name
ld a, $2 ; move names
ld [$cf61], a
; move id
ld a, [$d265]
ld [CurSpecies], a
call GetName
ld de, StringBuffer1
pop hl
ret
; 350c
Function350c:: ; 350c
call Function1c66
ld a, [hROMBank]
push af
ld a, $9
rst Bankswitch
call Function245af
call Function3524
call Function245cb
pop af
rst Bankswitch
ld a, [$cf73]
ret
; 3524
Function3524:: ; 3524
ld hl, VramState
bit 0, [hl]
jp nz, UpdateTimePals
jp Function32f9
; 352f
Function352f:: ; 352f
ld a, [$cf82]
dec a
ld b, a
ld a, [$cf84]
sub b
ld d, a
ld a, [$cf83]
dec a
ld c, a
ld a, [$cf85]
sub c
ld e, a
push de
call GetTileCoord
pop bc
jp TextBox
; 354b
Function354b:: ; 354b
call DelayFrame
ld a, [$ffaa]
push af
ld a, $1
ld [$ffaa], a
call Functiona57
pop af
ld [$ffaa], a
ld a, [$ffa9]
and $f0
ld c, a
ld a, [hJoyPressed]
and $f
or c
ld c, a
ret
; 3567
Function3567:: ; 3567
ld a, [hROMBank]
push af
call Function2c52
call Function3574
pop bc
ld a, b
rst Bankswitch
ret
; 3574
Function3574:: ; 3574
ld hl, $0001
add hl, de
ld a, [hl]
cp $ff
jr z, .asm_3597
ld l, a
push hl
call Function3599
pop hl
jr nc, .asm_3597
ld d, a
ld e, l
call Function35de
jr nc, .asm_3597
call Function2631
callba Function96c56
scf
ret
.asm_3597
and a
ret
; 3599
Function3599:: ; 3599
push de
ld hl, $0010
add hl, de
ld a, [hl]
ld hl, $0011
add hl, de
ld e, [hl]
sub $4
ld d, a
ld a, e
sub $4
ld e, a
call Function35b0
pop de
ret
; 35b0
Function35b0:: ; 35b0
ld hl, $dbfc
ld a, [hli]
ld h, [hl]
ld l, a
ld a, [$dbfb]
and a
jr z, .asm_35d3
.asm_35bc
push af
ld a, [hl]
cp e
jr nz, .asm_35c8
inc hl
ld a, [hld]
cp d
jr nz, .asm_35c8
jr .asm_35d5
.asm_35c8
ld a, $5
add l
ld l, a
jr nc, .asm_35cf
inc h
.asm_35cf
pop af
dec a
jr nz, .asm_35bc
.asm_35d3
and a
ret
.asm_35d5
pop af
ld d, a
ld a, [$dbfb]
sub d
inc a
scf
ret
; 35de
Function35de:: ; 35de
inc e
ld hl, $0001
add hl, bc
ld a, [hli]
ld h, [hl]
ld l, a
.asm_35e6
ld a, [hli]
cp $ff
jr z, .asm_35fc
cp d
jr nz, .asm_35f7
ld a, [hli]
cp e
jr nz, .asm_35f8
ld a, [hli]
ld h, [hl]
ld l, a
jr .asm_35fe
.asm_35f7
inc hl
.asm_35f8
inc hl
inc hl
jr .asm_35e6
.asm_35fc
and a
ret
.asm_35fe
scf
ret
; 3600
CheckTrainerBattle2:: ; 3600
ld a, [hROMBank]
push af
call Function2c52
call CheckTrainerBattle
pop bc
ld a, b
rst Bankswitch
ret
; 360d
CheckTrainerBattle:: ; 360d
; Check if any trainer on the map sees the player and wants to battle.
; Skip the player object.
ld a, 1
ld de, MapObjects + OBJECT_LENGTH
.loop
; Start a battle if the object:
push af
push de
; Has a sprite
ld hl, $0001
add hl, de
ld a, [hl]
and a
jr z, .next
; Is a trainer
ld hl, $0008
add hl, de
ld a, [hl]
and $f
cp $2
jr nz, .next
; Is visible on the map
ld hl, $0000
add hl, de
ld a, [hl]
cp $ff
jr z, .next
; Is facing the player...
call Function1ae5
call FacingPlayerDistance_bc
jr nc, .next
; ...within their sight range
ld hl, $0009
add hl, de
ld a, [hl]
cp b
jr c, .next
; And hasn't already been beaten
push bc
push de
ld hl, $000a
add hl, de
ld a, [hli]
ld h, [hl]
ld l, a
ld e, [hl]
inc hl
ld d, [hl]
ld b, CHECK_FLAG
call EventFlagAction
ld a, c
pop de
pop bc
and a
jr z, .asm_3666
.next
pop de
ld hl, OBJECT_LENGTH
add hl, de
ld d, h
ld e, l
pop af
inc a
cp NUM_OBJECTS
jr nz, .loop
xor a
ret
.asm_3666
pop de
pop af
ld [$ffe0], a
ld a, b
ld [$d03f], a
ld a, c
ld [MartPointer], a
jr Function367e
; 3674
Function3674:: ; 3674
ld a, $1
ld [$d03f], a
ld a, $ff
ld [MartPointer], a
Function367e:: ; 367e
call GetMapScriptHeaderBank
ld [EngineBuffer1], a
ld a, [$ffe0]
call GetMapObject
ld hl, $000a
add hl, bc
ld a, [EngineBuffer1]
call GetFarHalfword
ld de, $d041
ld bc, $000d
ld a, [EngineBuffer1]
call FarCopyBytes
xor a
ld [$d04d], a
scf
ret
; 36a5
FacingPlayerDistance_bc:: ; 36a5
push de
call FacingPlayerDistance
ld b, d
ld c, e
pop de
ret
; 36ad
FacingPlayerDistance:: ; 36ad
; Return carry if the sprite at bc is facing the player,
; and its distance in d.
ld hl, $0010 ; x
add hl, bc
ld d, [hl]
ld hl, $0011 ; y
add hl, bc
ld e, [hl]
ld a, [MapX]
cp d
jr z, .CheckY
ld a, [MapY]
cp e
jr z, .CheckX
and a
ret
.CheckY
ld a, [MapY]
sub e
jr z, .NotFacing
jr nc, .Above
; Below
cpl
inc a
ld d, a
ld e, UP << 2
jr .CheckFacing
.Above
ld d, a
ld e, DOWN << 2
jr .CheckFacing
.CheckX
ld a, [MapX]
sub d
jr z, .NotFacing
jr nc, .Left
; Right
cpl
inc a
ld d, a
ld e, LEFT << 2
jr .CheckFacing
.Left
ld d, a
ld e, RIGHT << 2
.CheckFacing
call GetSpriteDirection
cp e
jr nz, .NotFacing
scf
ret
.NotFacing
and a
ret
; 36f5
Function36f5:: ; 36f5
push bc
ld hl, $0001
add hl, bc
ld a, [hl]
call GetMapObject
ld hl, $000a
add hl, bc
ld a, [hli]
ld h, [hl]
ld l, a
call GetMapScriptHeaderBank
call GetFarHalfword
ld d, h
ld e, l
push de
ld b, $2
call EventFlagAction
pop de
ld a, c
and a
pop bc
ret
; 3718
Function3718:: ; 3718
ld a, [BattleType]
cp $1
jr .asm_3724
ld hl, WalkingTile
jr .asm_3731
.asm_3724
ld a, [$d0ee]
ld hl, WalkingTile
and $f
jr z, .asm_3731
ld hl, $d049
.asm_3731
ld a, [hli]
ld h, [hl]
ld l, a
call GetMapScriptHeaderBank
call FarPrintText
call WaitBGMap
call Functiona80
ret
; 3741
IsAPokemon:: ; 3741
; Return carry if species a is not a Pokemon.
and a
jr z, .NotAPokemon
cp EGG
jr z, .Pokemon
cp NUM_POKEMON + 1
jr c, .Pokemon
.NotAPokemon
scf
ret
.Pokemon
and a
ret
; 3750
DrawHPBar:: ; 3750
; Draw an HP bar d tiles long at hl
; Fill it up to e pixels
push hl
push de
push bc
; Place 'HP:'
ld a, $60
ld [hli], a
ld a, $61
ld [hli], a
; Draw a template
push hl
ld a, $62 ; empty bar
.template
ld [hli], a
dec d
jr nz, .template
ld a, $6b ; bar end
add b
ld [hl], a
pop hl
; Safety check # pixels
ld a, e
and a
jr nz, .fill
ld a, c
and a
jr z, .done
ld e, 1
.fill
; Keep drawing tiles until pixel length is reached
ld a, e
sub TILE_WIDTH
jr c, .lastbar
ld e, a
ld a, $6a ; full bar
ld [hli], a
ld a, e
and a
jr z, .done
jr .fill
.lastbar
ld a, $62 ; empty bar
add e ; + e
ld [hl], a
.done
pop bc
pop de
pop hl
ret
; 3786
Function3786:: ; 3786
ld a, $1
ld [$c2c6], a
Function378b:: ; 378b
ld a, [CurPartySpecies]
call IsAPokemon
jr c, .asm_37ad
push hl
ld de, VTiles2
ld a, $3c
call Predef
pop hl
xor a
ld [$ffad], a
ld bc, $0707
ld a, $13
call Predef
xor a
ld [$c2c6], a
ret
.asm_37ad
xor a
ld [$c2c6], a
inc a
ld [CurPartySpecies], a
ret
; 37b6
Function37b6:: ; 37b6
push af
ld a, $1
ld [$c2bc], a
pop af
call Function37e2
call WaitSFX
ret
; 37c4
Function37c4:: ; 37c4
push af
ld a, $1
ld [$c2bc], a
pop af
jp Function37e2
; 37ce
Function37ce:: ; 37ce
call Function37d5
call WaitSFX
ret
; 37d5
Function37d5:: ; 37d5
push af
xor a
ld [$c2bc], a
ld [CryTracks], a
pop af
call Function37e2
ret
; 37e2
Function37e2:: ; 37e2
push hl
push de
push bc
call Function381e
jr c, .asm_37ef
ld e, c
ld d, b
call PlayCryHeader
.asm_37ef
pop bc
pop de
pop hl
ret
; 37f3
Function37f3:: ; 37f3
call Function381e
ret c
ld a, [hROMBank]
push af
ld a, BANK(CryHeaders)
rst Bankswitch
ld hl, CryHeaders
add hl, bc
add hl, bc
add hl, bc
add hl, bc
add hl, bc
add hl, bc
ld e, [hl]
inc hl
ld d, [hl]
inc hl
ld a, [hli]
ld [CryPitch], a
ld a, [hli]
ld [CryEcho], a
ld a, [hli]
ld [CryLength], a
ld a, [hl]
ld [CryLength + 1], a
pop af
rst Bankswitch
and a
ret
; 381e
Function381e:: ; 381e
and a
jr z, .asm_382b
cp NUM_POKEMON + 1
jr nc, .asm_382b
dec a
ld c, a
ld b, 0
and a
ret
.asm_382b
scf
ret
; 382d
PrintLevel:: ; 382d
; Print TempMonLevel at hl
ld a, [TempMonLevel]
ld [hl], LV_CHAR
inc hl
; How many digits?
ld c, 2
cp 100
jr c, Function3842
; 3-digit numbers overwrite the :L.
dec hl
inc c
jr Function3842
; 383d
Function383d:: ; 383d
; Print :L and all 3 digits
ld [hl], LV_CHAR
inc hl
ld c, 3
; 3842
Function3842:: ; 3842
ld [$d265], a
ld de, $d265
ld b, %01000001 ; flags
jp PrintNum
; 384d
Function384d:: ; 384d
ld hl, $d25e
ld c, a
ld b, $0
add hl, bc
ld a, [hl]
ret
; 3856
GetBaseData:: ; 3856
push bc
push de
push hl
ld a, [hROMBank]
push af
ld a, BANK(BaseData)
rst Bankswitch
; Egg doesn't have BaseData
ld a, [CurSpecies]
cp EGG
jr z, .egg
; Get BaseData
dec a
ld bc, BaseData1 - BaseData0
ld hl, BaseData
call AddNTimes
ld de, CurBaseData
ld bc, BaseData1 - BaseData0
call CopyBytes
jr .end
.egg
; ????
ld de, UnknownEggPic
; Sprite dimensions
ld b, $55 ; 5x5
ld hl, BasePicSize
ld [hl], b
; ????
ld hl, BasePadding
ld [hl], e
inc hl
ld [hl], d
inc hl
ld [hl], e
inc hl
ld [hl], d
jr .end
.end
; Replace Pokedex # with species
ld a, [CurSpecies]
ld [BaseDexNo], a
pop af
rst Bankswitch
pop hl
pop de
pop bc
ret
; 389c
GetCurNick:: ; 389c
ld a, [CurPartyMon]
ld hl, PartyMonNicknames
GetNick:: ; 38a2
; Get nickname a from list hl.
push hl
push bc
call SkipNames
ld de, StringBuffer1
push de
ld bc, PKMN_NAME_LENGTH
call CopyBytes
pop de
callab CheckNickErrors
pop bc
pop hl
ret
; 38bb
PrintBCDNumber:: ; 38bb
; 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.
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], "Â¥"
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], "Â¥" ; currency symbol
inc hl
.skipCurrencySymbol
ld [hl], "0"
call PrintLetterDelay
inc hl
.done
ret
; 0x38f2
PrintBCDDigit:: ; 38f2
and a, %00001111
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], "Â¥"
inc hl
res 5, b
.skipCurrencySymbol
res 7, b ; unset 7 to indicate that a nonzero digit has been reached
.outputDigit
add a, "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
ld a, " "
ld [hli], a ; if right-aligned, "print" a space by advancing the pointer
ret
; 0x3917
GetPartyParamLocation:: ; 3917
; Get the location of parameter a from CurPartyMon in hl
push bc
ld hl, PartyMons
ld c, a
ld b, 0
add hl, bc
ld a, [CurPartyMon]
call GetPartyLocation
pop bc
ret
; 3927
GetPartyLocation:: ; 3927
; Add the length of a PartyMon struct to hl a times.
ld bc, PartyMon2 - PartyMon1
jp AddNTimes
; 392d
Function392d:: ; 392d
push hl
ld a, b
dec a
ld b, 0
add hl, bc
ld hl, BaseData + 0
ld bc, $0020
call AddNTimes
ld a, BANK(BaseData)
call GetFarHalfword
ld b, l
ld c, h
pop hl
ret
; 3945
INCLUDE "home/battle.asm"
Function3ae1:: ; 3ae1
GLOBAL BattleAnimations
GLOBAL BattleAnimCommands
ld a, BANK(BattleAnimations)
rst Bankswitch
ld a, [hli]
ld [BattleAnimAddress], a
ld a, [hl]
ld [BattleAnimAddress + 1], a
ld a, BANK(BattleAnimCommands)
rst Bankswitch
ret
; 3af0
GetBattleAnimByte:: ; 3af0
push hl
push de
ld hl, BattleAnimAddress
ld e, [hl]
inc hl
ld d, [hl]
ld a, BANK(BattleAnimations)
rst Bankswitch
ld a, [de]
ld [BattleAnimByte], a
inc de
ld a, BANK(BattleAnimCommands)
rst Bankswitch
ld [hl], d
dec hl
ld [hl], e
pop de
pop hl
ld a, [BattleAnimByte]
ret
; 3b0c
Function3b0c:: ; 3b0c
ld a, [hLCDStatCustom]
and a
ret z
ld a, LYOverridesBackup % $100
ld [Requested2bppSource], a
ld a, LYOverridesBackup / $100
ld [Requested2bppSource + 1], a
ld a, LYOverrides % $100
ld [Requested2bppDest], a
ld a, LYOverrides / $100
ld [Requested2bppDest + 1], a
ld a, (LYOverridesEnd - LYOverrides) / 16
ld [Requested2bpp], a
ret
; 3b2a
Function3b2a:: ; 3b2a
ld [$c3b8], a
ld a, [hROMBank]
push af
ld a, BANK(Function8cfd6)
rst Bankswitch
ld a, [$c3b8]
call Function8cfd6
pop af
rst Bankswitch
ret
; 3b3c
Function3b3c:: ; 3b3c
ld [$c3b8], a
ld a, [hROMBank]
push af
ld a, BANK(Function8d120)
rst Bankswitch
ld a, [$c3b8]
call Function8d120
pop af
rst Bankswitch
ret
; 3b4e
INCLUDE "home/audio.asm"
Function3e32:: ; 3e32
; Mobile
cp $2
ld [$c988], a
ld a, l
ld [$c986], a
ld a, h
ld [$c987], a
jr nz, .asm_3e4f
ld [$c982], a
ld a, l
ld [$c981], a
ld hl, $c983
ld a, c
ld [hli], a
ld a, b
ld [hl], a
.asm_3e4f
ld hl, $c822
set 6, [hl]
ld a, [hROMBank]
push af
ld a, BANK(Function110030)
ld [$c981], a
rst Bankswitch
jp Function110030
; 3e60
Function3e60:: ; 3e60
ld [$c986], a
ld a, l
ld [$c987], a
ld a, h
ld [$c988], a
pop bc
ld a, b
ld [$c981], a
rst Bankswitch
ld hl, $c822
res 6, [hl]
ld hl, $c987
ld a, [hli]
ld h, [hl]
ld l, a
ld a, [$c986]
ret
; 3e80
Function3e80:: ; 3e80
ld a, [hROMBank]
push af
ld a, BANK(Function1116c5)
ld [$c981], a
rst Bankswitch
call Function1116c5
pop bc
ld a, b
ld [$c981], a
rst Bankswitch
ret
; 3e93
Timer:: ; 3e93
push af
push bc
push de
push hl
ld a, [$ffe9]
and a
jr z, .asm_3ed2
xor a
ld [rTAC], a
; Turn off timer interrupt
ld a, [rIF]
and 1 << VBLANK | 1 << LCD_STAT | 1 << SERIAL | 1 << JOYPAD
ld [rIF], a
ld a, [$c86a]
or a
jr z, .asm_3ed2
ld a, [$c822]
bit 1, a
jr nz, .asm_3eca
ld a, [rSC]
and 1 << rSC_ON
jr nz, .asm_3eca
ld a, [hROMBank]
push af
ld a, BANK(Function1118de)
ld [$c981], a
rst Bankswitch
call Function1118de
pop bc
ld a, b
ld [$c981], a
rst Bankswitch
.asm_3eca
ld a, [rTMA]
ld [rTIMA], a
ld a, 1 << rTAC_ON | rTAC_65536_HZ
ld [rTAC], a
.asm_3ed2
pop hl
pop de
pop bc
pop af
reti
; 3ed7
Function3ed7:: ; 3ed7
ld [$dc02], a
ld a, [hROMBank]
push af
ld a, BANK(Function114243)
rst Bankswitch
call Function114243
pop bc
ld a, b
rst Bankswitch
ld a, [$dc02]
ret
; 3eea
Function3eea:: ; 3eea
push hl
push bc
ld de, $0939
add hl, de
inc b
inc b
inc c
inc c
call Function3f35
pop bc
pop hl
call Function3f47
ret
; 3efd
Function3efd:: ; 3efd
push hl
hlcoord 0, 12
ld b, $4
ld c, $12
call Function3f0d
pop hl
call PrintTextBoxText
ret
; 3f0d
Function3f0d:: ; 3f0d
push hl
push bc
ld de, $0939
add hl, de
inc b
inc b
inc c
inc c
call Function3f35
pop bc
pop hl
call TextBoxBorder
ret
; 3f20
Function3f20:: ; 3f20
ld hl, AttrMap
ld b, $6
ld c, $14
call Function3f35
ld hl, TileMap
ld b, $4
ld c, $12
call Function3f47
ret
; 3f35
Function3f35:: ; 3f35
ld a, $6
ld de, $0014
.asm_3f3a
push bc
push hl
.asm_3f3c
ld [hli], a
dec c
jr nz, .asm_3f3c
pop hl
add hl, de
pop bc
dec b
jr nz, .asm_3f3a
ret
; 3f47
Function3f47:: ; 3f47
push bc
call Function3f58
pop bc
.asm_3f4c
push bc
call Function3f68
pop bc
dec b
jr nz, .asm_3f4c
call Function3f60
ret
; 3f58
Function3f58:: ; 3f58
ld a, $63
ld d, $62
ld e, $64
jr Function3f6e
Function3f60:: ; 3f60
ld a, $68
ld d, $67
ld e, $69
jr Function3f6e
Function3f68:: ; 3f68
ld a, $7f
ld d, $65
ld e, $66
Function3f6e:: ; 3f6e
push hl
ld [hl], d
inc hl
.asm_3f71
ld [hli], a
dec c
jr nz, .asm_3f71
ld [hl], e
pop hl
ld de, $0014
add hl, de
ret
; 3f7c
Function3f7c:: ; 3f7c
call Function1cfd
call Function1c53
dec b
dec c
call Function3eea
ret
; 3f88
Function3f88:: ; 3f88
ld hl, $d000
ld b, $0
.asm_3f8d
push bc
ld c, $8
.asm_3f90
ld a, [de]
inc de
cpl
ld [hl], $0
inc hl
ld [hli], a
dec c
jr nz, .asm_3f90
pop bc
dec c
jr nz, .asm_3f8d
ret
; 3f9f
Function3f9f:: ; 3f9f
ld hl, $d000
.asm_3fa2
push bc
ld c, $8
.asm_3fa5
ld a, [de]
inc de
inc de
cpl
ld [hl], $0
inc hl
ld [hli], a
dec c
jr nz, .asm_3fa5
pop bc
dec c
jr nz, .asm_3fa2
ret
; 3fb5
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