ref: e88c88ff2015a55ff0d04f9ac1dc55d7f0567f7c
dir: /home/menu.asm/
; Functions used in displaying and handling menus. LoadMenuDataHeader:: call CopyMenuDataHeader call BackUpTiles ret CopyMenuDataHeader:: ld de, wMenuDataHeader ld bc, wMenuDataHeaderEnd - wMenuDataHeader call CopyBytes ld a, [hROMBank] ld [wMenuDataBank], a ret ; 0x1d4b Function1d4b:: ; 1d4b ld [wMenuCursorBuffer], a ret ; 1d4f MenuTextBox:: ; 1d4f push hl call LoadMenuTextBox pop hl jp PrintText ; 1d57 Function1d57:: ; 1d57 ret ; 1d58 LoadMenuTextBox:: ; 1d58 ld hl, MenuDataHeader_0x1d5f call LoadMenuDataHeader ret ; 1d5f MenuDataHeader_0x1d5f:: ; 1d5f db $40 ; tile backup db 12, 0 ; start coords db 17, 19 ; end coords dw VTiles0 db 0 ; default option ; 1d67 MenuTextBoxBackup:: ; 1d67 call MenuTextBox call WriteBackup ret ; 1d6e LoadStandardMenuDataHeader:: ; 1d6e ld hl, MenuDataHeader_0x1d75 call LoadMenuDataHeader ret ; 1d75 MenuDataHeader_0x1d75:: ; 1d75 db $40 ; tile backup db 0, 0 ; start coords db 17, 19 ; end coords dw 0 db 1 ; default option ; 1d7d Call_ExitMenu:: ; 1d7d call ExitMenu ret ; 1d81 InterpretMenu2:: xor a ld [hBGMapMode], a call MenuBox call UpdateSprites call Function1c89 call Function321c call CopyMenuData2 ld a, [wMenuData2Flags] bit 7, a jr z, .cancel call Function1c10 call Function1bc9 call Function1ff8 bit 1, a jr z, .okay .cancel scf ret .okay and a ret ; 0x1dab GetMenu2:: ; 1dab call LoadMenuDataHeader call InterpretMenu2 call WriteBackup ld a, [MenuSelection2] ret ; 1db8 CopyNameFromMenu:: push hl push bc push af ld hl, wMenuData2Pointer ld a, [hli] ld h, [hl] ld l, a rept 2 inc hl endr 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 LoadMenuDataHeader jr InterpretTwoOptionMenu _YesNoBox:: ; 1dd9 ; Return nc (yes) or c (no). push bc ld hl, YesNoMenuDataHeader call CopyMenuDataHeader 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 BackUpTiles InterpretTwoOptionMenu:: ; 1dfe call InterpretMenu2 push af ld c, $f call DelayFrames call WriteBackup pop af jr c, .no ld a, [MenuSelection2] cp 2 ; no jr z, .no and a ret .no ld a, 2 ld [MenuSelection2], a scf ret ; 1e1d YesNoMenuDataHeader:: ; 1e1d db $40 ; tile backup db 5, 10 ; start coords db 9, 15 ; end coords dw YesNoMenuData2 db 1 ; default option ; 1e25 YesNoMenuData2:: ; 1e25 db $c0 ; flags db 2 db "YES@" db "NO@" ; 1e2e Function1e2e:: ; 1e2e call Function1e35 call BackUpTiles ret ; 1e35 Function1e35:: ; 1e35 push de call CopyMenuDataHeader 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 MenuFunc_1e7f call MenuWriteText call Function1eff call Function1f23 call Function1bdd call Function1ff8 ret ; 1e70 SetUpMenu:: ; 1e70 call MenuFunc_1e7f ; ??? call MenuWriteText call Function1eff ; set up selection pointer ld hl, wcfa5 set 7, [hl] ret MenuFunc_1e7f:: call CopyMenuData2 call Function1ebd call Function1ea6 call MenuBox ret MenuWriteText:: xor a ld [hBGMapMode], a call Function1ebd ; sort out the text call Function1eda ; actually write it call Function2e31 ld a, [hOAMUpdate] push af ld a, $1 ld [hOAMUpdate], a call Function321c pop af ld [hOAMUpdate], a ret ; 0x1ea6 Function1ea6:: ; 1ea6 ld a, [wMenuBorderLeftCoord] ld c, a ld a, [wMenuBorderRightCoord] sub c ld c, a ld a, [wMenuData2Items] add a inc a ld b, a ld a, [wMenuBorderTopCoord] add b ld [wMenuBorderBottomCoord], a ret ; 1ebd Function1ebd:: ; 1ebd ld hl, wcf93 ld a, [hli] ld h, [hl] ld l, a ld a, [wcf76] and a jr z, .asm_1ed3 ld b, a ld c, $ff .asm_1ecc ld a, [hli] cp c jr nz, .asm_1ecc dec b jr nz, .asm_1ecc .asm_1ed3 ld d, h ld e, l ld a, [hl] ld [wMenuData2Items], a ret ; 1eda Function1eda:: ; 1eda call MenuBoxCoord2Tile ld bc, $002a add hl, bc .asm_1ee1 inc de ld a, [de] cp $ff ret z ld [MenuSelection], a push de push hl ld d, h ld e, l ld hl, wcf95 call Function1efb pop hl ld de, $0028 add hl, de pop de jr .asm_1ee1 ; 1efb Function1efb:: ; 1efb ld a, [hli] ld h, [hl] ld l, a jp [hl] ; 1eff Function1eff:: ; 1eff call Function1c10 ld hl, wcfa8 ld a, [wMenuData2Flags] bit 3, a jr z, .asm_1f0e set 3, [hl] .asm_1f0e ld a, [wMenuData2Flags] bit 2, a jr z, .asm_1f19 set 5, [hl] set 4, [hl] .asm_1f19 ret ; 1f1a Function1f1a:: ; 1f1a call Function1bd3 ld hl, wcfa8 and [hl] jr Function1f2a ; 1f23 Function1f23:: ; 1f23 xor a ld [wcf73], a call Function1bc9 ; 1f2a Function1f2a:: ; 1f2a bit 0, a jr nz, .asm_1f52 bit 1, a jr nz, .asm_1f6d bit 3, a jr nz, .asm_1f6d bit 4, a jr nz, .asm_1f44 bit 5, a jr nz, .asm_1f4b xor a ld [wcf73], a jr .asm_1f57 .asm_1f44 ld a, $10 ld [wcf73], a jr .asm_1f57 .asm_1f4b ld a, $20 ld [wcf73], a jr .asm_1f57 .asm_1f52 ld a, $1 ld [wcf73], a .asm_1f57 call Function1ebd ld a, [MenuSelection2] ld l, a ld h, $0 add hl, de ld a, [hl] ld [MenuSelection], a ld a, [MenuSelection2] ld [wMenuCursorBuffer], a and a ret .asm_1f6d ld a, $2 ld [wcf73], a ld a, $ff ld [MenuSelection], a scf ret ; 1f79 Function1f79:: ; 1f79 push de ld hl, wcf97 ld a, [hli] ld h, [hl] ld l, a ld a, [MenuSelection] call GetNthString ld d, h ld e, l pop hl call PlaceString ret ; 1f8d PlaceNthMenuStrings:: ; 1f8d push de ld a, [MenuSelection] call Function1fb1 rept 2 inc hl endr ld a, [hli] ld d, [hl] ld e, a pop hl call PlaceString ret ; 1f9e Function1f9e:: ; 1f9e call Function1fb1 rept 2 inc hl endr ld a, [hli] ld d, [hl] ld e, a ret ; 1fa7 MenuJumptable:: ; 1fa7 ld a, [MenuSelection] call Function1fb1 ld a, [hli] ld h, [hl] ld l, a jp [hl] ; 1fb1 Function1fb1:: ; 1fb1 ld e, a ld d, $0 ld hl, wcf97 ld a, [hli] ld h, [hl] ld l, a rept 4 add hl, de endr ret ; 1fbf ResetTextRelatedRAM:: ; 1fbf ld hl, wcf71 call .bytefill ld hl, wMenuDataHeader call .bytefill ld hl, wMenuData2Flags call .bytefill ld hl, wcfa1 call .bytefill ld a, [rSVBK] push af ld a, $7 ld [rSVBK], a xor a ld hl, w7_dfff rept 2 ld [hld], a endr ld a, l ld [wcf71], a ld a, h ld [wcf72], a pop af ld [rSVBK], a ret ; 1ff0 .bytefill: ; 1ff0 ld bc, $0010 xor a call ByteFill ret ; 1ff8 Function1ff8:: ; 1ff8 push af and $3 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 Function2012:: ; 2012 call MenuTextBox call CloseText call ExitMenu ret ; 201c Function201c:: ; 201c ld [hBuffer], a ld a, [hROMBank] push af ld a, [hBuffer] rst Bankswitch call PlaceString pop af rst Bankswitch ret ; 202a InterpretMenu:: ; 202a ld a, [hROMBank] ld [wcf94], a callba Function2400e ld a, [wMenuCursorBuffer] ret ; 2039 Function2039:: ; 2039 ld a, [hROMBank] ld [wcf94], a callba Function24022 ld a, [wMenuCursorBuffer] ret ; 2048 Function2048:: ; 2048 ld a, [hROMBank] ld [wcf94], a callba Function2403c ld a, [wMenuCursorBuffer] ret ; 2057 Function2057:: ; 2057 ld a, [hROMBank] push af ld a, BANK(Function842db) rst Bankswitch call Function842db pop af rst Bankswitch ret ; 2063