; =============================================================================
;  Item Selection Code

; Decides which function to jump to.
Menu_ItemIndex:
  ;  Bow,    Boomerang, Hookshot, Bombs,   Deku,       Bottle 1
  db $03,    $02,       $0E,      $01,     $11,        $0B 
  ;  Hammer, Lamp,      Fire Rod, Ice Rod, Zora,       Bottle 2
  db $04,    $09,       $05,      $06,     $0F,        $4B 
  ;  Wolf,   Feather,   Somaria,  Byrna,   Bunny Hood, Bottle3
  db $08,    $07,       $12,      $0D,     $10,        $8B 
  ;  Powder, Book,      Ocarina,  Mirror,  Stone Mask, Bottle4
  db $0A,    $0C,       $08,      $14,     $13,        $CB 

; -----------------------------------------------------------------------------
; Decides which graphics is drawn 
Menu_AddressIndex:
  db $7EF340 ; bow
  db $7EF341 ; boom
  db $7EF342 ; hookshot 
  db $7EF343 ; bombs
  db $7EF348 ; deku mask 
  db $7EF35C ; bottle1
  db $7EF34B ; hammer 
  db $7EF34A ; lamp 
  db $7EF345 ; firerod
  db $7EF346 ; icerod 
  db $7EF347 ; Zora Mask
  db $7EF35D ; bottle2
  db $7EF34C ; shovel 7EF34F
  db $7EF34D ; feather 
  db $7EF350 ; somaria
  db $7EF351 ; byrna
  db $7EF349 ; Bunny Hood
  db $7EF35E ; bottle3
  db $7EF344 ; powder 
  db $7EF34E ; book 
  db $7EF34C ; ocarina 
  db $7EF353 ; mirror
  db $7EF352 ; stone mask
  db $7EF35F ; bottle4

; -----------------------------------------------------------------------------

Menu_ItemCursorPositions:
  dw menu_offset(6,2) ; bow
  dw menu_offset(6,5) ; boom
  dw menu_offset(6,8) ; hookshot
  dw menu_offset(6,12) ; bombs
  dw menu_offset(6,15) ; deku mask
  dw menu_offset(6,18) ; bottle1

  dw menu_offset(9,2) ; hammer 
  dw menu_offset(9,5) ; lamp
  dw menu_offset(9,8) ; firerod
  dw menu_offset(9,12) ; icerod
  dw menu_offset(9,15) ; goron
  dw menu_offset(9,18) ; bottle2

  dw menu_offset(12,2) ; shovel 
  dw menu_offset(12,5) ; feather 
  dw menu_offset(12,8) ; somaria
  dw menu_offset(12,12) ; byrna
  dw menu_offset(12,15) ; bunny hood
  dw menu_offset(12,18) ; bottle3

  dw menu_offset(15,2) ; powder 
  dw menu_offset(15,5) ; book 
  dw menu_offset(15,8) ; flute
  dw menu_offset(15,12) ; mirror
  dw menu_offset(15,15) ; stone mask 
  dw menu_offset(15,18) ; bottle4

; -----------------------------------------------------------------------------

Menu_FindNextItem:
{
  LDY.w $0202 : INY 
  CPY.b #$19 : BCC .no_reset 
  LDY.b #$01 
.no_reset 
  STY.w $0202
  LDX.w Menu_AddressIndex-1, Y
  LDA.l $7EF300, X
  BEQ Menu_FindNextItem
  RTS
}

; -----------------------------------------------------------------------------

Menu_FindPrevItem:
{
  LDY.w $0202 : DEY : BNE .no_reset 
  LDY.b #$18
.no_reset 
  STY.w $0202
  LDX.w Menu_AddressIndex-1, Y
  LDA.l $7EF300, X
  BEQ Menu_FindPrevItem
  RTS
}

; -----------------------------------------------------------------------------

Menu_FindNextDownItem:
{
  LDA.w $0202 : CLC : ADC.b #$06 
  CMP.b #$19 : BCC .no_reset
  SBC.b #$18
.no_reset 
  TAY : STY.w $0202
  LDX.w Menu_AddressIndex-1, Y 
  LDA.l $7EF300, X
  BEQ Menu_FindNextItem
  RTS 
}

; -----------------------------------------------------------------------------

Menu_FindNextUpItem:
{
  LDA.w $0202 : SEC : SBC.b #$06 
  BPL .no_reset : BNE .no_reset
  CLC : ADC.b #$18 
.no_reset 
  TAY : STY.w $0202
  LDX.w Menu_AddressIndex-1, Y 
  LDA.l $7EF300, X
  BEQ Menu_FindNextItem
  RTS 
}


; -----------------------------------------------------------------------------

Menu_DeleteCursor:
{
  REP #$30
  LDX.w Menu_ItemCursorPositions-2, Y

  LDA.w #$20F5
  STA.w $1108, X
  STA.w $1148, X
  STA.w $114E, X 
  STA.w $110E, X 
  STA.w $11C8, X 
  STA.w $1188, X
  STA.w $118E, X 
  STA.w $11CE, X 
  SEP #$30
  STZ $0207
  RTS 
}

; -----------------------------------------------------------------------------

Menu_InitItemScreen:
{
  SEP #$30
  LDY.w $0202 : BNE .all_good

.loop
  INY : CPY.b #$25 : BCS .bad 
  LDX.w Menu_AddressIndex-1, Y
  LDA.l $7EF300, X 
  BEQ .loop 

  STY.w $0202
  BRA .all_good 

.bad
  STZ.w $0202

.all_good 
  STZ $0207
  LDA.b #$04
  STA.w $0200
  RTS
}

; -----------------------------------------------------------------------------

; $0303[0x01] -   (Player)

;     In conjunction with the above variable when set to 0x13, matching the above
;     variable, the cape transformation is complete.
                
;     This indicates which secondary item is equipped (aka Y-button
;     item).
    
;     0x00 - Nothing
;     0x01 - Bombs
;     0x02 - Boomerang
;     0x03 - Arrows
;     0x04 - Hammer
;     0x05 - Fire Rod
;     0x06 - Ice Rod
;     0x07 - Bug catching net
;     0x08 - Flute
;     0x09 - Lamp
;     0x0A - Magic Powder
;     0x0B - Bottle
;     0x0C - Book of Mudora
;     0x0D - Cane of Byrna
;     0x0E - Hookshot
;     0x0F - Bombos Medallion
;     0x10 - Ether Medallion
;     0x11 - Quake Medallion
;     0x12 - Cane of Somaria
;     0x13 - Cape
;     0x14 - Magic Mirror