org $02E94A
  JSL CheckForSpecialAreaGraphics

org $0ED5A8
  OverworldPalettesLoader:

; ==============================================================================

org $3F8000
CheckForChangeGraphicsNormalLoadBoat:
{
    LDA $8A : CMP.b #$30 : BNE .boat_area
    PHB : PHK : PLB
    JSR ApplyGraphics1
    PLB
    RTL
  .boat_area
    RTL
}

CheckForSpecialAreaGraphics: 
{
  JSL OverworldPalettesLoader
  
  LDA $8A : CMP.b #$81 : BNE .korok_area

  PHB : PHK : PLB
  JSR ApplyKorokSpriteSheets
  PLB

  .korok_area

  RTL

}

; ==============================================================================

ApplyGraphics1:
{
  REP #$20               ; A = 16, XY = 8
  LDX #$80 : STX $2115   ; Set the video port register every time we write it increase by 1
  LDA #$2C00 : STA $2116 ; Destination of the DMA $5800 in vram <- this need to be divided by 2
  LDA #$1801 : STA $4300 ; DMA Transfer Mode and destination register 
                                ; "001 => 2 registers write once (2 bytes: p, p+1)"
  LDA.w #BoatBitmap : STA $4302     ; Source address where you want gfx from ROM
  LDX.b #BoatBitmap>>16 : STX $4304
  LDA   #$2000 : STA $4305          ; size of the transfer 4 sheets of $800 each
  LDX   #$01 : STX $420B            ; Do the DMA 

  SEP #$30

  RTS

  BoatBitmap:
  incbin gfx/boat.bin
}

; ==============================================================================

ApplyKorokSpriteSheets:
{
  REP #$20               ; A = 16, XY = 8
  LDX #$80 : STX $2115   ; Set the video port register every time we write it increase by 1
  LDA #$5000 : STA $2116 ; Destination of the DMA $5800 in vram <- this need to be divided by 2
  LDA #$1801 : STA $4300 ; DMA Transfer Mode and destination register 
  ; "001 => 2 registers write once (2 bytes: p, p+1)"
  LDA.w #KorokSpriteSheets : STA $4302     ; Source address where you want gfx from ROM
  LDX.b #KorokSpriteSheets>>16 : STX $4304
  LDA   #$1800 : STA $4305                 ; size of the transfer 4 sheets of $800 each
  LDX   #$01 : STX $420B                   ; Do the DMA 

  SEP #$30

  RTS

  KorokSpriteSheets:
  incbin gfx/korok.bin
}