ref: 5c0e5fa7cab805b1d610be08cde1651c6fdefbce
dir: /home/menu.asm/
; Functions used in displaying and handling menus. LoadMenuHeader:: call CopyMenuHeader call PushWindow ret CopyMenuHeader:: ld de, wMenuHeader ld bc, wMenuHeaderEnd - wMenuHeader call CopyBytes ld a, [hROMBank] ld [wMenuDataBank], a ret ; 0x1d4b StoreTo_wMenuCursorBuffer:: ; 1d4b ld [wMenuCursorBuffer], a ret ; 1d4f MenuTextBox:: ; 1d4f push hl call LoadMenuTextBox pop hl jp PrintText ; 1d57 ; unused ret ; 1d58 LoadMenuTextBox:: ; 1d58 ld hl, .MenuHeader call LoadMenuHeader ret ; 1d5f .MenuHeader: ; 1d5f db MENU_BACKUP_TILES ; flags menu_coords 0, 12, SCREEN_WIDTH - 1, SCREEN_HEIGHT - 1 dw vTiles0 db 0 ; default option ; 1d67 MenuTextBoxBackup:: ; 1d67 call MenuTextBox call CloseWindow ret ; 1d6e LoadStandardMenuHeader:: ; 1d6e ld hl, .MenuHeader call LoadMenuHeader ret ; 1d75 .MenuHeader: ; 1d75 db MENU_BACKUP_TILES ; flags menu_coords 0, 0, SCREEN_WIDTH - 1, SCREEN_HEIGHT - 1 dw 0 db 1 ; default option ; 1d7d Call_ExitMenu:: ; 1d7d call ExitMenu ret ; 1d81 VerticalMenu:: xor a ld [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 ; 0x1dab GetMenu2:: ; 1dab call LoadMenuHeader call VerticalMenu call CloseWindow ld a, [wMenuCursorY] ret ; 1db8 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 ; 0x1dcf YesNoBox:: ; 1dcf lb bc, SCREEN_WIDTH - 6, 7 PlaceYesNoBox:: ; 1dd2 jr _YesNoBox PlaceGenericTwoOptionBox:: ; 1dd4 call LoadMenuHeader jr InterpretTwoOptionMenu _YesNoBox:: ; 1dd9 ; 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:: ; 1dfe 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 ; 1e1d YesNoMenuHeader:: ; 1e1d db MENU_BACKUP_TILES ; flags menu_coords 10, 5, 15, 9 dw .MenuData db 1 ; default option ; 1e25 .MenuData: ; 1e25 db STATICMENU_CURSOR | STATICMENU_NO_TOP_SPACING ; flags db 2 db "YES@" db "NO@" ; 1e2e OffsetMenuHeader:: ; 1e2e call _OffsetMenuHeader call PushWindow ret ; 1e35 _OffsetMenuHeader:: ; 1e35 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 ; 1e5d DoNthMenu:: ; 1e5d call DrawVariableLengthMenuBox call MenuWriteText call InitMenuCursorAndButtonPermissions call GetStaticMenuJoypad call GetMenuJoypad call MenuClickSound ret ; 1e70 SetUpMenu:: ; 1e70 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 ld [hBGMapMode], a call GetMenuIndexSet ; sort out the text call RunMenuItemPrintingFunction ; actually write it call SafeUpdateSprites ld a, [hOAMUpdate] push af ld a, $1 ld [hOAMUpdate], a call ApplyTilemap pop af ld [hOAMUpdate], a ret ; 0x1ea6 AutomaticGetMenuBottomCoord:: ; 1ea6 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 ; 1ebd GetMenuIndexSet:: ; 1ebd 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 ; 1eda RunMenuItemPrintingFunction:: ; 1eda 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 ; 1efb ._hl_ ; 1efb ld a, [hli] ld h, [hl] ld l, a jp hl ; 1eff InitMenuCursorAndButtonPermissions:: ; 1eff 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 ; 1f1a GetScrollingMenuJoypad:: ; 1f1a call ScrollingMenuJoypad ld hl, wMenuJoypadFilter and [hl] jr ContinueGettingMenuJoypad ; 1f23 GetStaticMenuJoypad:: ; 1f23 xor a ld [wMenuJoypad], a call StaticMenuJoypad ; 1f2a 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 ; 1f79 PlaceMenuStrings:: ; 1f79 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 ; 1f8d PlaceNthMenuStrings:: ; 1f8d 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 ; 1f9e Unreferenced_Function1f9e:: ; 1f9e call GetMenuDataPointerTableEntry inc hl inc hl ld a, [hli] ld d, [hl] ld e, a ret ; 1fa7 MenuJumptable:: ; 1fa7 ld a, [wMenuSelection] call GetMenuDataPointerTableEntry ld a, [hli] ld h, [hl] ld l, a jp hl ; 1fb1 GetMenuDataPointerTableEntry:: ; 1fb1 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 ; 1fbf ClearWindowData:: ; 1fbf ld hl, wWindowStackPointer call .bytefill ld hl, wMenuHeader call .bytefill ld hl, wMenuDataFlags call .bytefill ld hl, w2DMenuCursorInitY call .bytefill ld a, [rSVBK] push af ld a, BANK(wWindowStack) ld [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 ld [rSVBK], a ret ; 1ff0 .bytefill ; 1ff0 ld bc, $10 xor a call ByteFill ret ; 1ff8 MenuClickSound:: ; 1ff8 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 ; 2009 PlayClickSFX:: ; 2009 push de ld de, SFX_READ_TEXT_2 call PlaySFX pop de ret ; 0x2012 MenuTextBoxWaitButton:: ; 2012 call MenuTextBox call WaitButton call ExitMenu ret ; 201c Place2DMenuItemName:: ; 201c ld [hBuffer], a ld a, [hROMBank] push af ld a, [hBuffer] rst Bankswitch call PlaceString pop af rst Bankswitch ret ; 202a _2DMenu:: ; 202a ld a, [hROMBank] ld [wMenuData_2DMenuItemStringsBank], a farcall _2DMenu_ ld a, [wMenuCursorBuffer] ret ; 2039 InterpretBattleMenu:: ; 2039 ld a, [hROMBank] ld [wMenuData_2DMenuItemStringsBank], a farcall _InterpretBattleMenu ld a, [wMenuCursorBuffer] ret ; 2048 InterpretMobileMenu:: ; 2048 ld a, [hROMBank] ld [wMenuData_2DMenuItemStringsBank], a farcall _InterpretMobileMenu ld a, [wMenuCursorBuffer] ret ; 2057