pokecrystal-board/home/menu.asm
Rangi eb1e3636bb Use labels instead of constants for HRAM
Use explicit ldh instruction to access HRAM locations, don't rely on optimizing ld
2018-08-25 14:28:22 -04:00

540 lines
7.7 KiB
NASM

; Functions used in displaying and handling menus.
LoadMenuHeader::
call CopyMenuHeader
call PushWindow
ret
CopyMenuHeader::
ld de, wMenuHeader
ld bc, wMenuHeaderEnd - wMenuHeader
call CopyBytes
ldh a, [hROMBank]
ld [wMenuDataBank], a
ret
StoreTo_wMenuCursorBuffer::
ld [wMenuCursorBuffer], a
ret
MenuTextBox::
push hl
call LoadMenuTextBox
pop hl
jp PrintText
; unused
ret
LoadMenuTextBox::
ld hl, .MenuHeader
call LoadMenuHeader
ret
.MenuHeader:
db MENU_BACKUP_TILES ; flags
menu_coords 0, 12, SCREEN_WIDTH - 1, SCREEN_HEIGHT - 1
dw vTiles0
db 0 ; default option
MenuTextBoxBackup::
call MenuTextBox
call CloseWindow
ret
LoadStandardMenuHeader::
ld hl, .MenuHeader
call LoadMenuHeader
ret
.MenuHeader:
db MENU_BACKUP_TILES ; flags
menu_coords 0, 0, SCREEN_WIDTH - 1, SCREEN_HEIGHT - 1
dw 0
db 1 ; default option
Call_ExitMenu::
call ExitMenu
ret
VerticalMenu::
xor a
ldh [hBGMapMode], a
call MenuBox
call UpdateSprites
call PlaceVerticalMenuItems
call ApplyTilemap
call CopyMenuData
ld a, [wMenuDataFlags]
bit 7, a
jr z, .cancel
call InitVerticalMenuCursor
call StaticMenuJoypad
call MenuClickSound
bit 1, a
jr z, .okay
.cancel
scf
ret
.okay
and a
ret
GetMenu2::
call LoadMenuHeader
call VerticalMenu
call CloseWindow
ld a, [wMenuCursorY]
ret
CopyNameFromMenu::
push hl
push bc
push af
ld hl, wMenuDataPointer
ld a, [hli]
ld h, [hl]
ld l, a
inc hl
inc hl
pop af
call GetNthString
ld d, h
ld e, l
call CopyName1
pop bc
pop hl
ret
YesNoBox::
lb bc, SCREEN_WIDTH - 6, 7
PlaceYesNoBox::
jr _YesNoBox
PlaceGenericTwoOptionBox::
call LoadMenuHeader
jr InterpretTwoOptionMenu
_YesNoBox::
; Return nc (yes) or c (no).
push bc
ld hl, YesNoMenuHeader
call CopyMenuHeader
pop bc
; This seems to be an overflow prevention, but
; it was coded wrong.
ld a, b
cp SCREEN_WIDTH - 6
jr nz, .okay ; should this be "jr nc"?
ld a, SCREEN_WIDTH - 6
ld b, a
.okay
ld a, b
ld [wMenuBorderLeftCoord], a
add 5
ld [wMenuBorderRightCoord], a
ld a, c
ld [wMenuBorderTopCoord], a
add 4
ld [wMenuBorderBottomCoord], a
call PushWindow
InterpretTwoOptionMenu::
call VerticalMenu
push af
ld c, $f
call DelayFrames
call CloseWindow
pop af
jr c, .no
ld a, [wMenuCursorY]
cp 2 ; no
jr z, .no
and a
ret
.no
ld a, 2
ld [wMenuCursorY], a
scf
ret
YesNoMenuHeader::
db MENU_BACKUP_TILES ; flags
menu_coords 10, 5, 15, 9
dw .MenuData
db 1 ; default option
.MenuData:
db STATICMENU_CURSOR | STATICMENU_NO_TOP_SPACING ; flags
db 2
db "YES@"
db "NO@"
OffsetMenuHeader::
call _OffsetMenuHeader
call PushWindow
ret
_OffsetMenuHeader::
push de
call CopyMenuHeader
pop de
ld a, [wMenuBorderLeftCoord]
ld h, a
ld a, [wMenuBorderRightCoord]
sub h
ld h, a
ld a, d
ld [wMenuBorderLeftCoord], a
add h
ld [wMenuBorderRightCoord], a
ld a, [wMenuBorderTopCoord]
ld l, a
ld a, [wMenuBorderBottomCoord]
sub l
ld l, a
ld a, e
ld [wMenuBorderTopCoord], a
add l
ld [wMenuBorderBottomCoord], a
ret
DoNthMenu::
call DrawVariableLengthMenuBox
call MenuWriteText
call InitMenuCursorAndButtonPermissions
call GetStaticMenuJoypad
call GetMenuJoypad
call MenuClickSound
ret
SetUpMenu::
call DrawVariableLengthMenuBox ; ???
call MenuWriteText
call InitMenuCursorAndButtonPermissions ; set up selection pointer
ld hl, w2DMenuFlags1
set 7, [hl]
ret
DrawVariableLengthMenuBox::
call CopyMenuData
call GetMenuIndexSet
call AutomaticGetMenuBottomCoord
call MenuBox
ret
MenuWriteText::
xor a
ldh [hBGMapMode], a
call GetMenuIndexSet ; sort out the text
call RunMenuItemPrintingFunction ; actually write it
call SafeUpdateSprites
ldh a, [hOAMUpdate]
push af
ld a, $1
ldh [hOAMUpdate], a
call ApplyTilemap
pop af
ldh [hOAMUpdate], a
ret
AutomaticGetMenuBottomCoord::
ld a, [wMenuBorderLeftCoord]
ld c, a
ld a, [wMenuBorderRightCoord]
sub c
ld c, a
ld a, [wMenuDataItems]
add a
inc a
ld b, a
ld a, [wMenuBorderTopCoord]
add b
ld [wMenuBorderBottomCoord], a
ret
GetMenuIndexSet::
ld hl, wMenuDataIndicesPointer
ld a, [hli]
ld h, [hl]
ld l, a
ld a, [wWhichIndexSet]
and a
jr z, .skip
ld b, a
ld c, -1
.loop
ld a, [hli]
cp c
jr nz, .loop
dec b
jr nz, .loop
.skip
ld d, h
ld e, l
ld a, [hl]
ld [wMenuDataItems], a
ret
RunMenuItemPrintingFunction::
call MenuBoxCoord2Tile
ld bc, 2 * SCREEN_WIDTH + 2
add hl, bc
.loop
inc de
ld a, [de]
cp -1
ret z
ld [wMenuSelection], a
push de
push hl
ld d, h
ld e, l
ld hl, wMenuDataDisplayFunctionPointer
call ._hl_
pop hl
ld de, 2 * SCREEN_WIDTH
add hl, de
pop de
jr .loop
._hl_
ld a, [hli]
ld h, [hl]
ld l, a
jp hl
InitMenuCursorAndButtonPermissions::
call InitVerticalMenuCursor
ld hl, wMenuJoypadFilter
ld a, [wMenuDataFlags]
bit 3, a
jr z, .disallow_select
set START_F, [hl]
.disallow_select
ld a, [wMenuDataFlags]
bit 2, a
jr z, .disallow_left_right
set D_LEFT_F, [hl]
set D_RIGHT_F, [hl]
.disallow_left_right
ret
GetScrollingMenuJoypad::
call ScrollingMenuJoypad
ld hl, wMenuJoypadFilter
and [hl]
jr ContinueGettingMenuJoypad
GetStaticMenuJoypad::
xor a
ld [wMenuJoypad], a
call StaticMenuJoypad
ContinueGettingMenuJoypad:
bit A_BUTTON_F, a
jr nz, .a_button
bit B_BUTTON_F, a
jr nz, .b_start
bit START_F, a
jr nz, .b_start
bit D_RIGHT_F, a
jr nz, .d_right
bit D_LEFT_F, a
jr nz, .d_left
xor a
ld [wMenuJoypad], a
jr .done
.d_right
ld a, D_RIGHT
ld [wMenuJoypad], a
jr .done
.d_left
ld a, D_LEFT
ld [wMenuJoypad], a
jr .done
.a_button
ld a, A_BUTTON
ld [wMenuJoypad], a
.done
call GetMenuIndexSet
ld a, [wMenuCursorY]
ld l, a
ld h, $0
add hl, de
ld a, [hl]
ld [wMenuSelection], a
ld a, [wMenuCursorY]
ld [wMenuCursorBuffer], a
and a
ret
.b_start
ld a, B_BUTTON
ld [wMenuJoypad], a
ld a, -1
ld [wMenuSelection], a
scf
ret
PlaceMenuStrings::
push de
ld hl, wMenuDataPointerTableAddr
ld a, [hli]
ld h, [hl]
ld l, a
ld a, [wMenuSelection]
call GetNthString
ld d, h
ld e, l
pop hl
call PlaceString
ret
PlaceNthMenuStrings::
push de
ld a, [wMenuSelection]
call GetMenuDataPointerTableEntry
inc hl
inc hl
ld a, [hli]
ld d, [hl]
ld e, a
pop hl
call PlaceString
ret
Unreferenced_Function1f9e::
call GetMenuDataPointerTableEntry
inc hl
inc hl
ld a, [hli]
ld d, [hl]
ld e, a
ret
MenuJumptable::
ld a, [wMenuSelection]
call GetMenuDataPointerTableEntry
ld a, [hli]
ld h, [hl]
ld l, a
jp hl
GetMenuDataPointerTableEntry::
ld e, a
ld d, $0
ld hl, wMenuDataPointerTableAddr
ld a, [hli]
ld h, [hl]
ld l, a
add hl, de
add hl, de
add hl, de
add hl, de
ret
ClearWindowData::
ld hl, wWindowStackPointer
call .bytefill
ld hl, wMenuHeader
call .bytefill
ld hl, wMenuDataFlags
call .bytefill
ld hl, w2DMenuCursorInitY
call .bytefill
ldh a, [rSVBK]
push af
ld a, BANK(wWindowStack)
ldh [rSVBK], a
xor a
ld hl, wWindowStackBottom
ld [hld], a
ld [hld], a
ld a, l
ld [wWindowStackPointer], a
ld a, h
ld [wWindowStackPointer + 1], a
pop af
ldh [rSVBK], a
ret
.bytefill
ld bc, $10
xor a
call ByteFill
ret
MenuClickSound::
push af
and A_BUTTON | B_BUTTON
jr z, .nosound
ld hl, wMenuFlags
bit 3, [hl]
jr nz, .nosound
call PlayClickSFX
.nosound
pop af
ret
PlayClickSFX::
push de
ld de, SFX_READ_TEXT_2
call PlaySFX
pop de
ret
MenuTextBoxWaitButton::
call MenuTextBox
call WaitButton
call ExitMenu
ret
Place2DMenuItemName::
ldh [hBuffer], a
ldh a, [hROMBank]
push af
ldh a, [hBuffer]
rst Bankswitch
call PlaceString
pop af
rst Bankswitch
ret
_2DMenu::
ldh a, [hROMBank]
ld [wMenuData_2DMenuItemStringsBank], a
farcall _2DMenu_
ld a, [wMenuCursorBuffer]
ret
InterpretBattleMenu::
ldh a, [hROMBank]
ld [wMenuData_2DMenuItemStringsBank], a
farcall _InterpretBattleMenu
ld a, [wMenuCursorBuffer]
ret
InterpretMobileMenu::
ldh a, [hROMBank]
ld [wMenuData_2DMenuItemStringsBank], a
farcall _InterpretMobileMenu
ld a, [wMenuCursorBuffer]
ret