02/4fa8/: |
  ; This is where the game usually forbids opening a menu during intro, so we can use that space
  ld hl,wKeysPressed
  ldi a,(hl)
  and BTN_START
  jr z,@end
  ld a,(hl) ; wKeysJustPressed
  and BTN_B|BTN_A
  jp nz,quick_switch
  nop
  nop
  nop
  @end:

02//quick_switch: |
  ld a,(hl) ; wKeysJustPressed
  and BTN_START
  jr z,@clear_keys
  ld a,(hl) ; wKeysJustPressed
  ld hl,wInventorySubmenu0CursorPos
  ld b,(hl)
  push bc
  push hl
  bit 0,a
  jr nz,@btn_a
  push hl
  push af
  ld a,<wInventoryB
  ld ($cbb6),a
  ld (hl),$00
  call $563d ; inventoryMenuState1@equipItem
  pop af
  pop hl
  bit 1,a
  jr nz,@end
  @btn_a:
  ld a,<wInventoryA
  ld ($cbb6),a
  ld (hl),$01
  call $563d ; inventoryMenuState1@equipItem
  @end:
  pop hl
  pop bc
  ld (hl),b
  ld a,$03
  ld (wStatusBarNeedsRefresh),a
  @clear_keys:
  ld hl,wKeysPressed
  ld a,(hl)
  and $fc
  ld (hl),a
  ret