pokecrystal-board/home/menu.asm

SetMenuAttributes::
	push hl
	push bc
	ld hl, w2DMenuCursorInitY
	ld b, $8
.loop
	ld a, [de]
	inc de
	ld [hli], a
	dec b
	jr nz, .loop
	ld a, $1
	ld [hli], a
	ld [hli], a
	xor a
	ld [hli], a
	ld [hli], a
	ld [hli], a
	pop bc
	pop hl
	ret

StaticMenuJoypad::
	callfar _StaticMenuJoypad
	call GetMenuJoypad
	ret

ScrollingMenuJoypad::
	callfar _ScrollingMenuJoypad
	call GetMenuJoypad
	ret

GetMenuJoypad::
	push bc
	push af
	ldh a, [hJoyLast]
	and D_PAD
	ld b, a
	ldh a, [hJoyPressed]
	and BUTTONS
	or b
	ld b, a
	pop af
	ld a, b
	pop bc
	ret

PlaceHollowCursor::
	ld hl, wCursorCurrentTile
	ld a, [hli]
	ld h, [hl]
	ld l, a
	ld [hl], "▷"
	ret

HideCursor::
	ld hl, wCursorCurrentTile
	ld a, [hli]
	ld h, [hl]
	ld l, a
	ld [hl], " "
	ret