pokecrystal/home/scrolling_menu.asm

62 lines
870 B
NASM

ScrollingMenu::
call CopyMenuData
ldh a, [hROMBank]
push af
ld a, BANK(_ScrollingMenu)
rst Bankswitch
call _InitScrollingMenu
call .UpdatePalettes
call _ScrollingMenu
pop af
rst Bankswitch
ld a, [wMenuJoypad]
ret
.UpdatePalettes:
ld hl, wVramState
bit 0, [hl]
jp nz, UpdateTimePals
jp SetPalettes
InitScrollingMenu::
ld a, [wMenuBorderTopCoord]
dec a
ld b, a
ld a, [wMenuBorderBottomCoord]
sub b
ld d, a
ld a, [wMenuBorderLeftCoord]
dec a
ld c, a
ld a, [wMenuBorderRightCoord]
sub c
ld e, a
push de
call Coord2Tile
pop bc
jp TextBox
JoyTextDelay_ForcehJoyDown::
call DelayFrame
ldh a, [hInMenu]
push af
ld a, $1
ldh [hInMenu], a
call JoyTextDelay
pop af
ldh [hInMenu], a
ldh a, [hJoyLast]
and D_RIGHT + D_LEFT + D_UP + D_DOWN
ld c, a
ldh a, [hJoyPressed]
and A_BUTTON + B_BUTTON + SELECT + START
or c
ld c, a
ret