ref: 9fbd9e9a1f23ff3fe09eee2518dd752a6d2e132c
dir: /home/text.asm/
TextBoxBorder::
; Draw a cxb text box at hl.
; top row
push hl
ld a, "┌"
ld [hli], a
inc a ; ─
call NPlaceChar
inc a ; ┐
ld [hl], a
pop hl
ld de, 20
add hl, de
; middle rows
.next
push hl
ld a, "│"
ld [hli],a
ld a, " "
call NPlaceChar
ld [hl], "│"
pop hl
ld de, 20
add hl, de
dec b
jr nz, .next
; bottom row
ld a, "└"
ld [hli], a
ld a, "─"
call NPlaceChar
ld [hl], "┘"
ret
NPlaceChar::
; Place char a c times.
ld d, c
.loop
ld [hli], a
dec d
jr nz, .loop
ret
PlaceString:: ; 1955 (0:1955)
push hl
PlaceNextChar:: ; 1956 (0:1956)
ld a,[de]
cp "@"
jr nz,.PlaceText
ld b,h
ld c,l
pop hl
ret
.PlaceText
cp $4E
jr nz,.next
ld bc,SCREEN_WIDTH * 2
ld a,[hFlags_0xFFF6]
bit 2,a
jr z,.next2
ld bc,SCREEN_WIDTH
.next2
pop hl
add hl,bc
push hl
jp PlaceNextChar_inc
.next
cp $4F
jr nz,.next3
pop hl
hlCoord 1, 16
push hl
jp PlaceNextChar_inc
.next3 ; Check against a dictionary
and a
jp z,Char00
cp $4C
jp z,Char4C
cp $4B
jp z,Char4B
cp $51
jp z,Char51
cp $49
jp z,Char49
cp $52
jp z,Char52
cp $53
jp z,Char53
cp $54
jp z,Char54
cp $5B
jp z,Char5B
cp $5E
jp z,Char5E
cp $5C
jp z,Char5C
cp $5D
jp z,Char5D
cp $55
jp z,Char55
cp $56
jp z,Char56
cp $57
jp z,Char57
cp $58
jp z,Char58
cp $4A
jp z,Char4A
cp $5F
jp z,Char5F
cp $59
jp z,Char59
cp $5A
jp z,Char5A
ld [hli],a
call PrintLetterDelay
PlaceNextChar_inc:: ; 19e8 (0:19e8)
inc de
jp PlaceNextChar
Char00:: ; 19ec (0:19ec)
ld b,h
ld c,l
pop hl
ld de,Char00Text
dec de
ret
Char00Text:: ; 0x19f4 “%d ERROR.”
TX_FAR _Char00Text
db "@"
Char52:: ; 0x19f9 player’s name
push de
ld de,wPlayerName
jr FinishDTE
Char53:: ; 19ff (0:19ff) ; rival’s name
push de
ld de,W_RIVALNAME
jr FinishDTE
Char5D:: ; 1a05 (0:1a05) ; TRAINER
push de
ld de,Char5DText
jr FinishDTE
Char5C:: ; 1a0b (0:1a0b) ; TM
push de
ld de,Char5CText
jr FinishDTE
Char5B:: ; 1a11 (0:1a11) ; PC
push de
ld de,Char5BText
jr FinishDTE
Char5E:: ; 1a17 (0:1a17) ; ROCKET
push de
ld de,Char5EText
jr FinishDTE
Char54:: ; 1a1d (0:1a1d) ; POKé
push de
ld de,Char54Text
jr FinishDTE
Char56:: ; 1a23 (0:1a23) ; ……
push de
ld de,Char56Text
jr FinishDTE
Char4A:: ; 1a29 (0:1a29) ; PKMN
push de
ld de,Char4AText
jr FinishDTE
Char59:: ; 1a2f (0:1a2f)
; depending on whose turn it is, print
; enemy active monster’s name, prefixed with “Enemy ”
; or
; player active monster’s name
; (like Char5A but flipped)
ld a,[H_WHOSETURN]
xor 1
jr MonsterNameCharsCommon
Char5A:: ; 1a35 (0:1a35)
; depending on whose turn it is, print
; player active monster’s name
; or
; enemy active monster’s name, prefixed with “Enemy ”
ld a,[H_WHOSETURN]
MonsterNameCharsCommon:: ; 1a37 (0:1a37)
push de
and a
jr nz,.Enemy
ld de,wBattleMonNick ; player active monster name
jr FinishDTE
.Enemy
; print “Enemy ”
ld de,Char5AText
call PlaceString
ld h,b
ld l,c
ld de,wEnemyMonNick ; enemy active monster name
FinishDTE:: ; 1a4b (0:1a4b)
call PlaceString
ld h,b
ld l,c
pop de
inc de
jp PlaceNextChar
Char5CText:: ; 1a55 (0:1a55)
db "TM@"
Char5DText:: ; 1a58 (0:1a58)
db "TRAINER@"
Char5BText:: ; 1a60 (0:1a60)
db "PC@"
Char5EText:: ; 1a63 (0:1a63)
db "ROCKET@"
Char54Text:: ; 1a6a (0:1a6a)
db "POKé@"
Char56Text:: ; 1a6f (0:1a6f)
db "……@"
Char5AText:: ; 1a72 (0:1a72)
db "Enemy @"
Char4AText:: ; 1a79 (0:1a79)
db $E1,$E2,"@" ; PKMN
Char55:: ; 1a7c (0:1a7c)
push de
ld b,h
ld c,l
ld hl,Char55Text
call TextCommandProcessor
ld h,b
ld l,c
pop de
inc de
jp PlaceNextChar
Char55Text:: ; 1a8c (0:1a8c)
; equivalent to Char4B
TX_FAR _Char55Text
db "@"
Char5F:: ; 1a91 (0:1a91)
; ends a Pokédex entry
ld [hl],"."
pop hl
ret
Char58:: ; 1a95 (0:1a95)
ld a,[wLinkState]
cp LINK_STATE_BATTLING
jp z,Next1AA2
ld a,$EE
Coorda 18, 16
Next1AA2:: ; 1aa2 (0:1aa2)
call ProtectedDelay3
call ManualTextScroll
ld a, " "
Coorda 18, 16
Char57:: ; 1aad (0:1aad)
pop hl
ld de,Char58Text
dec de
ret
Char58Text:: ; 1ab3 (0:1ab3)
db "@"
Char51:: ; 1ab4 (0:1ab4)
push de
ld a,$EE
Coorda 18, 16
call ProtectedDelay3
call ManualTextScroll
hlCoord 1, 13
ld bc,$0412
call ClearScreenArea
ld c,20
call DelayFrames
pop de
hlCoord 1, 14
jp PlaceNextChar_inc
Char49:: ; 1ad5 (0:1ad5)
push de
ld a,$EE
Coorda 18, 16
call ProtectedDelay3
call ManualTextScroll
hlCoord 1, 10
ld bc,$0712
call ClearScreenArea
ld c,20
call DelayFrames
pop de
pop hl
hlCoord 1, 11
push hl
jp PlaceNextChar_inc
Char4B:: ; 1af8 (0:1af8)
ld a,$EE
Coorda 18, 16
call ProtectedDelay3
push de
call ManualTextScroll
pop de
ld a, " "
Coorda 18, 16
;fall through
Char4C:: ; 1b0a (0:1b0a)
push de
call Next1B18
call Next1B18
hlCoord 1, 16
pop de
jp PlaceNextChar_inc
Next1B18:: ; 1b18 (0:1b18)
hlCoord 0, 14
deCoord 0, 13
ld b,60
.next
ld a,[hli]
ld [de],a
inc de
dec b
jr nz,.next
hlCoord 1, 16
ld a, " "
ld b,SCREEN_WIDTH - 2
.next2
ld [hli],a
dec b
jr nz,.next2
; wait five frames
ld b,5
.WaitFrame
call DelayFrame
dec b
jr nz,.WaitFrame
ret
ProtectedDelay3:: ; 1b3a (0:1b3a)
push bc
call Delay3
pop bc
ret
TextCommandProcessor:: ; 1b40 (0:1b40)
ld a,[wLetterPrintingDelayFlags]
push af
set 1,a
ld e,a
ld a,[$fff4]
xor e
ld [wLetterPrintingDelayFlags],a
ld a,c
ld [wcc3a],a
ld a,b
ld [wcc3b],a
NextTextCommand:: ; 1b55 (0:1b55)
ld a,[hli]
cp a, "@" ; terminator
jr nz,.doTextCommand
pop af
ld [wLetterPrintingDelayFlags],a
ret
.doTextCommand
push hl
cp a,$17
jp z,TextCommand17
cp a,$0e
jp nc,TextCommand0B ; if a != 0x17 and a >= 0xE, go to command 0xB
; if a < 0xE, use a jump table
ld hl,TextCommandJumpTable
push bc
add a
ld b,$00
ld c,a
add hl,bc
pop bc
ld a,[hli]
ld h,[hl]
ld l,a
jp [hl]
; draw box
; 04AAAABBCC
; AAAA = address of upper left corner
; BB = height
; CC = width
TextCommand04:: ; 1b78 (0:1b78)
pop hl
ld a,[hli]
ld e,a
ld a,[hli]
ld d,a
ld a,[hli]
ld b,a
ld a,[hli]
ld c,a
push hl
ld h,d
ld l,e
call TextBoxBorder
pop hl
jr NextTextCommand
; place string inline
; 00{string}
TextCommand00:: ; 1b8a (0:1b8a)
pop hl
ld d,h
ld e,l
ld h,b
ld l,c
call PlaceString
ld h,d
ld l,e
inc hl
jr NextTextCommand
; place string from RAM
; 01AAAA
; AAAA = address of string
TextCommand01:: ; 1b97 (0:1b97)
pop hl
ld a,[hli]
ld e,a
ld a,[hli]
ld d,a
push hl
ld h,b
ld l,c
call PlaceString
pop hl
jr NextTextCommand
; print BCD number
; 02AAAABB
; AAAA = address of BCD number
; BB
; bits 0-4 = length in bytes
; bits 5-7 = unknown flags
TextCommand02:: ; 1ba5 (0:1ba5)
pop hl
ld a,[hli]
ld e,a
ld a,[hli]
ld d,a
ld a,[hli]
push hl
ld h,b
ld l,c
ld c,a
call PrintBCDNumber
ld b,h
ld c,l
pop hl
jr NextTextCommand
; repoint destination address
; 03AAAA
; AAAA = new destination address
TextCommand03:: ; 1bb7 (0:1bb7)
pop hl
ld a,[hli]
ld [wcc3a],a
ld c,a
ld a,[hli]
ld [wcc3b],a
ld b,a
jp NextTextCommand
; repoint destination to second line of dialogue text box
; 05
; (no arguments)
TextCommand05:: ; 1bc5 (0:1bc5)
pop hl
bcCoord 1, 16 ; address of second line of dialogue text box
jp NextTextCommand
; blink arrow and wait for A or B to be pressed
; 06
; (no arguments)
TextCommand06:: ; 1bcc (0:1bcc)
ld a,[wLinkState]
cp a,LINK_STATE_BATTLING
jp z,TextCommand0D
ld a,$ee ; down arrow
Coorda 18, 16 ; place down arrow in lower right corner of dialogue text box
push bc
call ManualTextScroll ; blink arrow and wait for A or B to be pressed
pop bc
ld a," "
Coorda 18, 16 ; overwrite down arrow with blank space
pop hl
jp NextTextCommand
; scroll text up one line
; 07
; (no arguments)
TextCommand07:: ; 1be7 (0:1be7)
ld a," "
Coorda 18, 16 ; place blank space in lower right corner of dialogue text box
call Next1B18 ; scroll up text
call Next1B18
pop hl
bcCoord 1, 16 ; address of second line of dialogue text box
jp NextTextCommand
; execute asm inline
; 08{code}
TextCommand08:: ; 1bf9 (0:1bf9)
pop hl
ld de,NextTextCommand
push de ; return address
jp [hl]
; print decimal number (converted from binary number)
; 09AAAABB
; AAAA = address of number
; BB
; bits 0-3 = how many digits to display
; bits 4-7 = how long the number is in bytes
TextCommand09:: ; 1bff (0:1bff)
pop hl
ld a,[hli]
ld e,a
ld a,[hli]
ld d,a
ld a,[hli]
push hl
ld h,b
ld l,c
ld b,a
and a,$0f
ld c,a
ld a,b
and a,$f0
swap a
set 6,a
ld b,a
call PrintNumber
ld b,h
ld c,l
pop hl
jp NextTextCommand
; wait half a second if the user doesn't hold A or B
; 0A
; (no arguments)
TextCommand0A:: ; 1c1d (0:1c1d)
push bc
call Joypad
ld a,[hJoyHeld]
and a,A_BUTTON | B_BUTTON
jr nz,.skipDelay
ld c,30
call DelayFrames
.skipDelay
pop bc
pop hl
jp NextTextCommand
; plays sounds
; this actually handles various command ID's, not just 0B
; (no arguments)
TextCommand0B:: ; 1c31 (0:1c31)
pop hl
push bc
dec hl
ld a,[hli]
ld b,a ; b = command number that got us here
push hl
ld hl,TextCommandSounds
.loop
ld a,[hli]
cp b
jr z,.matchFound
inc hl
jr .loop
.matchFound
cp a,$14
jr z,.pokemonCry
cp a,$15
jr z,.pokemonCry
cp a,$16
jr z,.pokemonCry
ld a,[hl]
call PlaySound
call WaitForSoundToFinish
pop hl
pop bc
jp NextTextCommand
.pokemonCry
push de
ld a,[hl]
call PlayCry
pop de
pop hl
pop bc
jp NextTextCommand
; format: text command ID, sound ID or cry ID
TextCommandSounds:: ; 1c64 (0:1c64)
db $0B,(SFX_02_3a - SFX_Headers_02) / 3
db $12,(SFX_08_46 - SFX_Headers_08) / 3
db $0E,(SFX_02_41 - SFX_Headers_02) / 3
db $0F,(SFX_02_3a - SFX_Headers_02) / 3
db $10,(SFX_02_3b - SFX_Headers_02) / 3
db $11,(SFX_02_42 - SFX_Headers_02) / 3
db $13,(SFX_08_45 - SFX_Headers_08) / 3
db $14,NIDORINA ; used in OakSpeech
db $15,PIDGEOT ; used in SaffronCityText12
db $16,DEWGONG ; unused?
; draw ellipses
; 0CAA
; AA = number of ellipses to draw
TextCommand0C:: ; 1c78 (0:1c78)
pop hl
ld a,[hli]
ld d,a
push hl
ld h,b
ld l,c
.loop
ld a,$75 ; ellipsis
ld [hli],a
push de
call Joypad
pop de
ld a,[hJoyHeld] ; joypad state
and a,A_BUTTON | B_BUTTON
jr nz,.skipDelay ; if so, skip the delay
ld c,10
call DelayFrames
.skipDelay
dec d
jr nz,.loop
ld b,h
ld c,l
pop hl
jp NextTextCommand
; wait for A or B to be pressed
; 0D
; (no arguments)
TextCommand0D:: ; 1c9a (0:1c9a)
push bc
call ManualTextScroll ; wait for A or B to be pressed
pop bc
pop hl
jp NextTextCommand
; process text commands in another ROM bank
; 17AAAABB
; AAAA = address of text commands
; BB = bank
TextCommand17:: ; 1ca3 (0:1ca3)
pop hl
ld a,[H_LOADEDROMBANK]
push af
ld a,[hli]
ld e,a
ld a,[hli]
ld d,a
ld a,[hli]
ld [H_LOADEDROMBANK],a
ld [MBC1RomBank],a
push hl
ld l,e
ld h,d
call TextCommandProcessor
pop hl
pop af
ld [H_LOADEDROMBANK],a
ld [MBC1RomBank],a
jp NextTextCommand
TextCommandJumpTable:: ; 1cc1 (0:1cc1)
dw TextCommand00
dw TextCommand01
dw TextCommand02
dw TextCommand03
dw TextCommand04
dw TextCommand05
dw TextCommand06
dw TextCommand07
dw TextCommand08
dw TextCommand09
dw TextCommand0A
dw TextCommand0B
dw TextCommand0C
dw TextCommand0D