update boat custom gfx

Graphics/boat_gfx.asm

@@ -13,9 +13,14 @@ org $2F8000
 CheckForChangeGraphicsNormalLoad:
 {
   JSL InitTilesets ;calls $00E19B that was replaced
+  
+  LDA $8A : CMP.b #$30 : BNE .boat_area
 
-  LDA $8A : CMP.b #$30 : BEQ .boat_area
-      JSR ApplyGraphics1
+  PHB : PHK : PLB
+
+  JSR ApplyGraphics1
+  
+  PLB
 
   RTL ;goes back to normal
 
@@ -29,16 +34,14 @@ CheckForChangeGraphicsNormalLoad:
 ApplyGraphics1:
 {
   REP #$20                      ; A = 16, XY = 8
-  LDX #$80 : STX $2100          ; turn the screen off (required)
   LDX #$80 : STX $2115          ; Set the video port register every time we write it increase by 1
-  LDA #$2000 : STA $2116        ; Destination of the DMA $5800 in vram <- this need to be divided by 2
+  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 #$4000 : STA $4305        ; size of the transfer 4 sheets of $800 each
+  LDA #$2000 : STA $4305        ; size of the transfer 4 sheets of $800 each
   LDX #$01 : STX $420B          ; Do the DMA 
-  LDX #$0F : STX $2100          ; turn the screen back on
 
   SEP #$30