diff --git a/src/app/editor/editor.cc b/src/app/editor/editor.cc
index 21bacfd5..8f6cae23 100644
--- a/src/app/editor/editor.cc
+++ b/src/app/editor/editor.cc
@@ -222,9 +222,9 @@ void Editor::DrawGraphicsSheet(int offset) {
                               ((rom_.data()[0x513E + offset]))));
   pc_addr = core::SnesToPc(snes_addr);
   std::cout << "Decompressing..." << std::endl;
-  char *decomp = rom_.Decompress(pc_addr);
+  auto decomp = rom_.Decompress(pc_addr);
   std::cout << "Converting to 8bpp sheet..." << std::endl;
-  sheet_buffer = rom_.SNES3bppTo8bppSheet((uchar *)decomp);
+  sheet_buffer = rom_.SNES3bppTo8bppSheet(decomp);
   std::cout << "Assigning pixel data..." << std::endl;
   surface->pixels = sheet_buffer;
   std::cout << "Creating texture from surface..." << std::endl;
diff --git a/src/app/gfx/bitmap.cc b/src/app/gfx/bitmap.cc
index c38be4e0..df35a152 100644
--- a/src/app/gfx/bitmap.cc
+++ b/src/app/gfx/bitmap.cc
@@ -2,6 +2,8 @@
 
 #include <SDL2/SDL.h>
 
+#include <memory>
+
 #include "app/core/constants.h"
 #include "app/gfx/snes_palette.h"
 
@@ -50,6 +52,8 @@ void Bitmap::Create(int width, int height, int depth, int size) {
     surface_->format->palette->colors[i].g = i * 31;
     surface_->format->palette->colors[i].b = i * 31;
   }
+
+  pixel_data_ = (uchar *)SDL_malloc(size);
   surface_->pixels = pixel_data_;
 }
 
@@ -57,9 +61,7 @@ void Bitmap::CreateTexture(std::shared_ptr<SDL_Renderer> renderer) {
   texture_ = SDL_CreateTextureFromSurface(renderer.get(), surface_);
 }
 
-void Bitmap::ApplyPalette(const SNESPalette& palette) {
-  palette_ = palette;
-}
+void Bitmap::ApplyPalette(const SNESPalette &palette) { palette_ = palette; }
 
 }  // namespace gfx
 }  // namespace app
diff --git a/src/app/gfx/bitmap.h b/src/app/gfx/bitmap.h
index 90ea454b..1e9ecaee 100644
--- a/src/app/gfx/bitmap.h
+++ b/src/app/gfx/bitmap.h
@@ -3,6 +3,8 @@
 
 #include <SDL2/SDL.h>
 
+#include <memory>
+
 #include "app/core/constants.h"
 #include "app/gfx/snes_palette.h"
 
@@ -18,9 +20,9 @@ class Bitmap {
   void Create(int width, int height, int depth, uchar *data);
   void Create(int width, int height, int depth, int data_size);
   void CreateTexture(std::shared_ptr<SDL_Renderer> renderer);
-  
-  void ApplyPalette(const SNESPalette& palette);
-  
+
+  void ApplyPalette(const SNESPalette &palette);
+
   int GetWidth() const { return width_; }
   int GetHeight() const { return height_; }
   uchar *GetData() const { return pixel_data_; }
diff --git a/src/app/zelda3/overworld.cc b/src/app/zelda3/overworld.cc
index 2333068d..66f1be8e 100644
--- a/src/app/zelda3/overworld.cc
+++ b/src/app/zelda3/overworld.cc
@@ -12,10 +12,8 @@ using namespace gfx;
 
 void Overworld::Load(ROM& rom) {
   rom_ = rom;
-
-  overworldMapPointer = std::make_shared<uchar[]>(0x40000);
-  mapblockset16 = std::make_shared<uchar[]>(1048576);
-  currentOWgfx16Ptr = std::make_shared<uchar[]>((128 * 512) / 2);
+  mapblockset16.Create(128, 8192, 8, 1048576);
+  currentOWgfx16.Create(128, 512, 4, (128 * 512) / 2);
 
   AssembleMap32Tiles();
   AssembleMap16Tiles();
@@ -30,9 +28,9 @@ void Overworld::Load(ROM& rom) {
 
   auto size = tiles16.size();
   for (int i = 0; i < 160; i++) {
-    overworld_maps_[i].BuildMap(mapParent, size, gameState, allmapsTilesLW,
-                                allmapsTilesDW, allmapsTilesSP,
-                                currentOWgfx16Ptr.get(), mapblockset16.get());
+    overworld_maps_[i].BuildMap(
+        mapParent, size, gameState, allmapsTilesLW, allmapsTilesDW,
+        allmapsTilesSP, currentOWgfx16.GetData(), mapblockset16.GetData());
   }
 
   isLoaded = true;
@@ -252,9 +250,8 @@ void Overworld::FetchLargeMaps() {
 }
 
 void Overworld::LoadOverworldMap() {
-  overworldMapBitmap.Create(128, 128, 8, overworldMapPointer.get());
-
-  auto ptr = overworldMapPointer;
+  overworldMapBitmap.Create(128, 128, 8, 0x40000);
+  auto ptr = overworldMapBitmap.GetData();
 
   int pos = 0;
   for (int sy = 0; sy < 16; sy++) {
diff --git a/src/app/zelda3/overworld.h b/src/app/zelda3/overworld.h
index e51db07a..fc7ea42b 100644
--- a/src/app/zelda3/overworld.h
+++ b/src/app/zelda3/overworld.h
@@ -9,6 +9,7 @@
 
 #include "app/core/constants.h"
 #include "app/gfx/bitmap.h"
+#include "app/gfx/psuedo_vram.h"
 #include "app/gfx/snes_tile.h"
 #include "app/rom.h"
 #include "app/zelda3/overworld_map.h"
@@ -21,8 +22,8 @@ class Overworld {
  public:
   void Load(ROM& rom);
   auto GetTiles16() const { return tiles16; }
-  auto GetCurrentGfxSetPtr() { return currentOWgfx16Ptr; }
-  auto GetMapBlockset16Ptr() { return mapblockset16; }
+  auto GetCurrentGfxSetPtr() { return currentOWgfx16.GetData(); }
+  auto GetMapBlockset16Ptr() { return mapblockset16.GetData(); }
 
  private:
   ushort GenerateTile32(int i, int k, int dimension);
@@ -41,17 +42,15 @@ class Overworld {
   std::vector<std::vector<ushort>> allmapsTilesDW;  // 64 maps * (32*32 tiles)
   std::vector<std::vector<ushort>> allmapsTilesSP;  // 32 maps * (32*32 tiles)
 
-  std::shared_ptr<uchar[]> mapblockset16;
-  std::shared_ptr<uchar[]> currentOWgfx16Ptr;
+  gfx::Bitmap mapblockset16;
+  gfx::Bitmap currentOWgfx16;
+  gfx::Bitmap overworldMapBitmap;
 
   std::vector<gfx::Tile16> tiles16;
   std::vector<gfx::Tile32> tiles32;
   std::vector<gfx::Tile32> map16tiles;
   std::vector<OverworldMap> overworld_maps_;
 
-  gfx::Bitmap overworldMapBitmap;
-  std::shared_ptr<uchar[]> overworldMapPointer;
-
   const int map32address[4] = {
       core::constants::map32TilesTL, core::constants::map32TilesTR,
       core::constants::map32TilesBL, core::constants::map32TilesBR};