diff --git a/.gitmodules b/.gitmodules
index d9187dcb..0fd02803 100644
--- a/.gitmodules
+++ b/.gitmodules
@@ -7,3 +7,6 @@
 [submodule "src/Library/ImGuiColorTextEdit"]
 	path = src/Library/ImGuiColorTextEdit
 	url = https://github.com/BalazsJako/ImGuiColorTextEdit.git
+[submodule "src/Library/sneshacking"]
+	path = src/Library/sneshacking
+	url = https://github.com/Skarsnik/sneshacking.git
diff --git a/CMakeLists.txt b/CMakeLists.txt
index 567fbce9..7e37c40c 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -9,6 +9,7 @@ project(yaze VERSION 0.01)
 set(CMAKE_CXX_STANDARD 20)
 set(CMAKE_CXX_STANDARD_REQUIRED ON)
 set(CMAKE_CXX_EXTENSIONS ON)
+set(CMAKE_CXX_FLAGS ${CMAKE_CXX_FLAGS})
 
 # Project Files
 add_subdirectory(src)
diff --git a/src/Application/Core/Style.h b/src/Application/Core/Style.h
index a9b2d0e7..8699df13 100644
--- a/src/Application/Core/Style.h
+++ b/src/Application/Core/Style.h
@@ -40,10 +40,6 @@ inline static void StyleColorsYaze() {
   ImVec4 allttpLightGreen = ImVec4(0.36f, 0.45f, 0.36f, 1.0f);
   ImVec4 allttpLightestGreen = ImVec4(0.49f, 0.57f, 0.49f, 1.0f);
 
-  ImVec4 alttpBlue = ImVec4(0.f, 0.f, 0.47f, 1.0f);
-  ImVec4 alttpBlueHover = ImVec4(0.f, 0.f, 0.57f, 1.0f);
-  ImVec4 alttpBlueActive = ImVec4(0.f, 0.f, 0.67f, 1.0f);
-
   colors[ImGuiCol_MenuBarBg] = alttpDarkGreen;
   colors[ImGuiCol_TitleBg] = alttpMidGreen;
 
diff --git a/src/Application/Data/Overworld.cc b/src/Application/Data/Overworld.cc
index 1a93a9ca..cc575b7b 100644
--- a/src/Application/Data/Overworld.cc
+++ b/src/Application/Data/Overworld.cc
@@ -10,7 +10,7 @@ using namespace Core;
 using namespace Graphics;
 
 Overworld::~Overworld() {
-  for (int i = 0; i < tiles32.size(); i++) {
+  for (int i = 0; i < (int) tiles32.size(); i++) {
     free(allmapsTilesLW[i]);
     free(allmapsTilesDW[i]);
     free(allmapsTilesSP[i]);
diff --git a/src/Application/Editor/OverworldEditor.cc b/src/Application/Editor/OverworldEditor.cc
index a288e111..a47c3210 100644
--- a/src/Application/Editor/OverworldEditor.cc
+++ b/src/Application/Editor/OverworldEditor.cc
@@ -14,17 +14,8 @@ void OverworldEditor::Update() {
     if (!doneLoaded) {
       overworld.Load(rom_);
       Graphics::CreateAllGfxData(rom_.GetRawData(), allGfx16Ptr);
-
-      // allgfxBitmap.LoadBitmapFromROM(allGfx16Ptr, allgfx_texture,
-      // &allgfx_width,
-      //                                &allgfx_height);
       doneLoaded = true;
     }
-    // Graphics::tile8 all_tiles;
-    // all_tiles.id = 1;
-    // all_tiles.data =
-    // Graphics::export_tile_to_png(tile8 rawtile, const r_palette pal, const
-    // char *filename)
   }
 
   if (show_changelist_) {
@@ -279,11 +270,10 @@ void OverworldEditor::DrawTileSelector() {
 
 void OverworldEditor::DrawChangelist() {
   if (!ImGui::Begin("Changelist")) {
-    
+
     ImGui::End();
   }
-  
-  
+
   ImGui::Text("Test");
   ImGui::End();
 }
diff --git a/src/Application/Graphics/Bitmap.h b/src/Application/Graphics/Bitmap.h
index 0498b144..1fe30514 100644
--- a/src/Application/Graphics/Bitmap.h
+++ b/src/Application/Graphics/Bitmap.h
@@ -2,11 +2,11 @@
 #define YAZE_APPLICATION_UTILS_BITMAP_H
 
 #include <SDL2/SDL.h>
-// #include <SDL2/SDL_opengl.h>
+#include <SDL_opengl.h>
 
 #include <memory>
 
-#include "GL/glew.h"
+// #include "GL/glew.h"
 #include "Utils/ROM.h"
 
 namespace yaze {
@@ -17,7 +17,7 @@ using byte = unsigned char;
 using namespace Core;
 
 class Bitmap {
-public:
+ public:
   Bitmap() = default;
   Bitmap(int width, int height, byte *data);
 
@@ -28,7 +28,7 @@ public:
   bool LoadBitmapFromROM(unsigned char *texture_data, GLuint *out_texture,
                          int *out_width, int *out_height);
 
-private:
+ private:
   int width_;
   int height_;
   byte *pixel_data_;
@@ -36,12 +36,12 @@ private:
 
 static bool isbpp3[Constants::NumberOfSheets];
 
-int GetPCGfxAddress(byte* romData, byte id);
-byte* CreateAllGfxDataRaw(byte* romData);
-void CreateAllGfxData(byte* romData, byte* allgfx16Ptr);
+int GetPCGfxAddress(byte *romData, byte id);
+byte *CreateAllGfxDataRaw(byte *romData);
+void CreateAllGfxData(byte *romData, byte *allgfx16Ptr);
 
-} // namespace Graphics
-} // namespace Application
-} // namespace yaze
+}  // namespace Graphics
+}  // namespace Application
+}  // namespace yaze
 
 #endif
\ No newline at end of file
diff --git a/src/Application/Graphics/Tile.cc b/src/Application/Graphics/Tile.cc
index c3ddf726..48feb04c 100644
--- a/src/Application/Graphics/Tile.cc
+++ b/src/Application/Graphics/Tile.cc
@@ -1,12 +1,12 @@
 #include "Tile.h"
 
-#include <png.h>
-
 #include <cassert>
 #include <cstdio>
 #include <cstdlib>
 #include <cstring>
 
+#include "png.h"
+
 namespace yaze {
 namespace Application {
 namespace Graphics {
@@ -39,6 +39,56 @@ char *hexString(const char *str, const unsigned int size) {
   return toret;
 }
 
+void export_all_gfx_to_png(byte *tiledata) {
+
+  auto tile = unpack_bpp3_tile(tiledata, 0);
+  Graphics::r_palette *pal = palette_create(8, 0);
+
+  for (unsigned int i = 0; i < 8; i++) {
+    pal->colors[i].red = i * 30;
+    pal->colors[i].blue = i * 30;
+    pal->colors[i].green = i * 30;
+  }
+
+  FILE *fp = fopen("test.png", "wb");
+  png_structp png_ptr =
+      png_create_write_struct(PNG_LIBPNG_VER_STRING, NULL, NULL, NULL);
+  png_infop info_ptr = png_create_info_struct(png_ptr);
+  png_init_io(png_ptr, fp);
+  png_set_strip_alpha(png_ptr);
+  png_read_update_info(png_ptr, info_ptr);
+
+  png_color *png_palette =
+      (png_color *)png_malloc(png_ptr, pal->size * sizeof(png_color));
+
+  for (unsigned int i = 0; i < pal->size; i++) {
+    png_palette[i].blue = pal->colors[i].blue;
+    png_palette[i].green = pal->colors[i].green;
+    png_palette[i].red = pal->colors[i].red;
+  }
+  png_set_IHDR(png_ptr, info_ptr, 8, 8, 8, PNG_COLOR_TYPE_PALETTE,
+               PNG_INTERLACE_NONE, PNG_COMPRESSION_TYPE_BASE,
+               PNG_FILTER_TYPE_BASE);
+  png_set_PLTE(png_ptr, info_ptr, png_palette, pal->size);
+
+  png_write_info(png_ptr, info_ptr);
+  png_set_packing(png_ptr);
+
+  png_byte *row_pointers[8];
+  for (unsigned int i = 0; i < 8; i++) {
+    row_pointers[i] = (png_byte *)png_malloc(png_ptr, sizeof(png_byte));
+    memcpy(row_pointers[i], tile.data + i * 8, 8);
+  }
+
+  png_write_image(png_ptr, row_pointers);
+
+  png_write_end(png_ptr, info_ptr);
+  png_destroy_write_struct(&png_ptr, &info_ptr);
+
+  png_free(png_ptr, png_palette);
+  png_free(png_ptr, row_pointers);
+}
+
 void export_tile_to_png(tile8 rawtile, const r_palette pal,
                         const char *filename) {
   FILE *fp = fopen(filename, "wb");
@@ -80,37 +130,37 @@ void export_tile_to_png(tile8 rawtile, const r_palette pal,
   png_free(png_ptr, row_pointers);
 }
 
-tile8 unpack_bpp1_tile(const char *data, const unsigned int offset) {
+tile8 unpack_bpp1_tile(const byte *data, const unsigned int offset) {
   return (unpack_bpp_tile(data, offset, 1));
 }
 
-tile8 unpack_bpp2_tile(const char *data, const unsigned int offset) {
+tile8 unpack_bpp2_tile(const byte *data, const unsigned int offset) {
   return (unpack_bpp_tile(data, offset, 2));
 }
 
-tile8 unpack_bpp3_tile(const char *data, const unsigned int offset) {
+tile8 unpack_bpp3_tile(const byte *data, const unsigned int offset) {
   return (unpack_bpp_tile(data, offset, 3));
 }
 
-tile8 unpack_bpp4_tile(const char *data, const unsigned int offset) {
+tile8 unpack_bpp4_tile(const byte *data, const unsigned int offset) {
   return (unpack_bpp_tile(data, offset, 4));
 }
 
-tile8 unpack_bpp8_tile(const char *data, const unsigned int offset) {
+tile8 unpack_bpp8_tile(const byte *data, const unsigned int offset) {
   return (unpack_bpp_tile(data, offset, 8));
 }
 
-tile8 unpack_mode7_tile(const char *data, const unsigned int offset) {
+tile8 unpack_mode7_tile(const byte *data, const unsigned int offset) {
   tile8 tile;
   memcpy(tile.data, data + offset, 64);
   return tile;
 }
 
-tile8 unpack_bpp_tile(const char *data, const unsigned int offset,
+tile8 unpack_bpp_tile(const byte *data, const unsigned int offset,
                       const unsigned bpp) {
   tile8 tile;
   assert(bpp >= 1 && bpp <= 8);
-  unsigned int bpp_pos[8]; // More for conveniance and readibility
+  unsigned int bpp_pos[8];  // More for conveniance and readibility
   for (int col = 0; col < 8; col++) {
     for (int row = 0; row < 8; row++) {
       if (bpp == 1) {
@@ -189,17 +239,14 @@ byte *pack_bpp_tile(tile8 tile, const unsigned int bpp, unsigned int *size) {
   for (unsigned int col = 0; col < 8; col++) {
     for (unsigned int row = 0; row < 8; row++) {
       byte color = tile.data[col * 8 + row];
-      if (color > maxcolor)
-        return NULL;
+      if (color > maxcolor) return NULL;
 
-      if (bpp == 1)
-        output[col] += (byte)((color & 1) << (7 - row));
+      if (bpp == 1) output[col] += (byte)((color & 1) << (7 - row));
       if (bpp >= 2) {
         output[col * 2] += (byte)((color & 1) << (7 - row));
         output[col * 2 + 1] += (byte)(((color & 2) == 2) << (7 - row));
       }
-      if (bpp == 3)
-        output[16 + col] += (byte)(((color & 4) == 4) << (7 - row));
+      if (bpp == 3) output[16 + col] += (byte)(((color & 4) == 4) << (7 - row));
       if (bpp >= 4) {
         output[16 + col * 2] += (byte)(((color & 4) == 4) << (7 - row));
         output[16 + col * 2 + 1] += (byte)(((color & 8) == 8) << (7 - row));
@@ -216,6 +263,6 @@ byte *pack_bpp_tile(tile8 tile, const unsigned int bpp, unsigned int *size) {
   return output;
 }
 
-} // namespace Graphics
-} // namespace Application
-} // namespace yaze
+}  // namespace Graphics
+}  // namespace Application
+}  // namespace yaze
diff --git a/src/Application/Graphics/Tile.h b/src/Application/Graphics/Tile.h
index 2234fd4f..3928af30 100644
--- a/src/Application/Graphics/Tile.h
+++ b/src/Application/Graphics/Tile.h
@@ -18,17 +18,17 @@ extern "C" {
 
 typedef struct {
   unsigned int id;
-  char data[64];
+  byte data[64];
   unsigned int palette_id;
 } tile8;
 
-tile8 unpack_bpp8_tile(const char* data, const unsigned int offset);
-tile8 unpack_bpp4_tile(const char* data, const unsigned int offset);
-tile8 unpack_bpp3_tile(const char* data, const unsigned int offset);
-tile8 unpack_bpp2_tile(const char* data, const unsigned int offset);
-tile8 unpack_bpp1_tile(const char* data, const unsigned int offset);
+tile8 unpack_bpp8_tile(const byte* data, const unsigned int offset);
+tile8 unpack_bpp4_tile(const byte* data, const unsigned int offset);
+tile8 unpack_bpp3_tile(const byte* data, const unsigned int offset);
+tile8 unpack_bpp2_tile(const byte* data, const unsigned int offset);
+tile8 unpack_bpp1_tile(const byte* data, const unsigned int offset);
 
-tile8 unpack_bpp_tile(const char* data, const unsigned int offset,
+tile8 unpack_bpp_tile(const byte* data, const unsigned int offset,
                       const unsigned int bpp);
 
 byte* pack_bpp1_tile(const tile8 tile);
@@ -40,6 +40,8 @@ byte* pack_bpp8_tile(const tile8 tile);
 byte* pack_bpp_tile(const tile8 tile, const unsigned int bpp,
                     unsigned int* size);
 
+void export_all_gfx_to_png(byte* tiledata);
+
 void export_tile_to_png(tile8 rawtile, const r_palette pal,
                         const char* filename);
 }
diff --git a/src/Application/Utils/Compression.cc b/src/Application/Utils/Compression.cc
index 5c4359d9..03985b9b 100644
--- a/src/Application/Utils/Compression.cc
+++ b/src/Application/Utils/Compression.cc
@@ -10,6 +10,9 @@
 #include <memory>
 #include <vector>
 
+#include "compressions/stdnintendo.h"
+#include "compressions/alttpcompression.h"
+
 #define INITIAL_ALLOC_SIZE 1024
 
 #define D_CMD_COPY 0
@@ -38,6 +41,7 @@ unsigned char* ALTTPCompression::DecompressGfx(const unsigned char* c_data,
                                       unsigned int max_length,
                                       unsigned int* uncompressed_data_size,
                                       unsigned int* compressed_length) {
+  char* data = alttp_decompress_gfx((char*) c_data, start, max_length, uncompressed_data_size, compressed_length);
   unsigned char* toret = std_nintendo_.Decompress(c_data, start, max_length,
                                          uncompressed_data_size,
                                          compressed_length, D_NINTENDO_C_MODE2);
diff --git a/src/Application/Utils/ROM.cc b/src/Application/Utils/ROM.cc
index cb9954dc..1bfa88f8 100644
--- a/src/Application/Utils/ROM.cc
+++ b/src/Application/Utils/ROM.cc
@@ -14,33 +14,29 @@ char *rommapping_error_text;
 /*
  * LoRoM is quite easy
  */
-int	lorom_snes_to_pc(const unsigned int snes_addr, char** info)
-{
-  unsigned char	bank = snes_addr >> 16;
-  unsigned int	offset = snes_addr & 0x00FFFF;
-  //printf("snes_addr: %X - Bank: %X - Offset: %X\n", snes_addr, bank, offset);
-  
+int lorom_snes_to_pc(const unsigned int snes_addr, char **info) {
+  unsigned char bank = snes_addr >> 16;
+  unsigned int offset = snes_addr & 0x00FFFF;
+  // printf("snes_addr: %X - Bank: %X - Offset: %X\n", snes_addr, bank, offset);
+
   // 80-FD is a mirror to the start
   if (bank >= 0x80 && bank <= 0xFD)
     bank -= 0x80;
-  if (bank >= 0x00 && bank <= 0x3F && offset < 0x8000 && offset >= 0x2000)
-  {
+  if (bank >= 0x00 && bank <= 0x3F && offset < 0x8000 && offset >= 0x2000) {
     *info = "SNES Reserved";
     return ROMMAPPING_LOCATION_SNES_RESERVED;
   }
-  if ((((bank >= 0x70 && bank <= 0x7D) || bank == 0xFE || bank == 0xFF) && offset < 0x8000))
-  {
+  if ((((bank >= 0x70 && bank <= 0x7D) || bank == 0xFE || bank == 0xFF) &&
+       offset < 0x8000)) {
     *info = "SRAM";
     return ROMMAPPING_LOCATION_SRAM;
   }
-  if (bank == 0x7E || bank == 0x7F || 
-     (bank >= 0x00 && bank <= 0x3F && offset < 0x2000)
-  )
-  {
+  if (bank == 0x7E || bank == 0x7F ||
+      (bank >= 0x00 && bank <= 0x3F && offset < 0x2000)) {
     *info = "WRAM section";
     return ROMMAPPING_LOCATION_WRAM;
   }
-  
+
   if (bank >= 0x40 && bank <= 0x6F && offset < 0x8000)
     return bank * 0x8000 + offset;
   if (bank == 0xFE || bank == 0xFF) // this work as if 7E was regular bank
@@ -48,35 +44,30 @@ int	lorom_snes_to_pc(const unsigned int snes_addr, char** info)
   return bank * 0x8000 + (offset - 0x8000);
 }
 
-int	hirom_snes_to_pc(const unsigned int snes_addr, char **info)
-{
-  unsigned char	bank = snes_addr >> 16;
-  unsigned int	offset = snes_addr & 0x00FFFF;
-  
+int hirom_snes_to_pc(const unsigned int snes_addr, char **info) {
+  unsigned char bank = snes_addr >> 16;
+  unsigned int offset = snes_addr & 0x00FFFF;
+
   // 80-FD is a mirror to the start
   if (bank >= 0x80 && bank <= 0xFD)
     bank -= 0x80;
-  
+
   if ((bank >= 0x00 && bank <= 0x1F && offset < 0x8000 && offset >= 0x2000) ||
-      (bank >= 0x20 && bank <= 0x3F && offset < 0x6000 && offset >= 0x2000)
-  )
-  {
+      (bank >= 0x20 && bank <= 0x3F && offset < 0x6000 && offset >= 0x2000)) {
     *info = "SNES Reserved";
     return ROMMAPPING_LOCATION_SNES_RESERVED;
   }
-  if (bank >= 0x20 && bank <= 0x3F && offset >= 0x6000 && offset < 0x8000)
-  {
+  if (bank >= 0x20 && bank <= 0x3F && offset >= 0x6000 && offset < 0x8000) {
     *info = "SRAM";
     return ROMMAPPING_LOCATION_SRAM;
   }
   if ((bank == 0x7E || bank == 0x7F) ||
-      (bank >= 0x00 && bank <= 0x3F && offset < 0x2000))
-  {
+      (bank >= 0x00 && bank <= 0x3F && offset < 0x2000)) {
     *info = "WRAM Section";
     return ROMMAPPING_LOCATION_WRAM;
   }
-/*#include <stdio.h>
-  printf("%02X:%04X\n", bank, offset);*/
+  /*#include <stdio.h>
+    printf("%02X:%04X\n", bank, offset);*/
   if (bank >= 0xFE)
     bank -= 0xFE - 0x3E;
   if (bank >= 0x40 && bank <= 0x7D)
@@ -84,93 +75,86 @@ int	hirom_snes_to_pc(const unsigned int snes_addr, char **info)
   return (bank << 16) + offset;
 }
 
-int	hirom_pc_to_snes(const unsigned int pc_addr)
-{
+int hirom_pc_to_snes(const unsigned int pc_addr) {
   unsigned int bank = pc_addr >> 16;
   unsigned int offset = pc_addr & 0x00FFFF;
 
-  //printf("%02X:%04X\n", bank, offset);
+  // printf("%02X:%04X\n", bank, offset);
   if (bank <= 0x3F && offset >= 0x8000)
-      return pc_addr;
+    return pc_addr;
   if (bank <= 0x3D)
-      return pc_addr + 0x400000;
+    return pc_addr + 0x400000;
   return pc_addr + 0xFE0000;
 }
 
-int	hirom_sram_snes_to_pc(const unsigned int snes_addr)
-{
-    unsigned int bank = snes_addr >> 16;
-    unsigned int offset = snes_addr & 0x00FFFF;
+int hirom_sram_snes_to_pc(const unsigned int snes_addr) {
+  unsigned int bank = snes_addr >> 16;
+  unsigned int offset = snes_addr & 0x00FFFF;
 
-    if (bank >= 0x20 && bank <= 0x3F && offset >= 0x6000 && offset < 0x8000)
-        return (bank - 0x20) * 0x2000 + (offset - 0x6000);
+  if (bank >= 0x20 && bank <= 0x3F && offset >= 0x6000 && offset < 0x8000)
+    return (bank - 0x20) * 0x2000 + (offset - 0x6000);
+  return -1;
+}
+
+int hirom_sram_pc_to_snes(const unsigned int pc_addr) {
+  unsigned int chuck_nb = pc_addr / 0x2000;
+  unsigned int rest = pc_addr % 0x2000;
+
+  return ((0x20 + chuck_nb) << 16) + 0x6000 + rest;
+}
+
+int lorom_pc_to_snes(const unsigned int pc_addr) {
+
+  unsigned int bank = pc_addr / 0x8000;
+  unsigned int offset = pc_addr % 0x8000 + 0x8000;
+
+  // printf("pc_addr: %X - Bank: %X - Offset: %X\n", pc_addr, bank, offset);
+
+  return (bank << 16) + offset;
+}
+
+int lorom_sram_pc_to_snes(const unsigned int pc_addr) {
+  int chuck_nb = pc_addr / 0x8000;
+  int rest = pc_addr % 0x8000;
+
+  if (chuck_nb <= 0xD)
+    return ((0x70 + chuck_nb) << 16) + rest;
+  if (chuck_nb == 0xE || chuck_nb == 0xF)
+    return ((0xF0 + chuck_nb) << 16) + rest;
+  return -1;
+}
+
+int lorom_sram_snes_to_pc(const unsigned int snes_addr) {
+  unsigned char bank = snes_addr >> 16;
+  unsigned int offset = snes_addr & 0x00FFFF;
+
+  // F0-FD are mirror of 70-7D
+  if (bank >= 0xF0 && bank <= 0xFD)
+    bank -= 0x80;
+  if (bank >= 0x70 && bank <= 0x7D && offset < 0x8000)
+    return (bank - 0x70) * 0x8000 + offset;
+  if ((bank == 0xFE || bank == 0xFF) && offset < 0x8000)
+    return ((bank - 0xFE) + 0xE) * 0x8000 + offset;
+  return -1;
+}
+
+int rommapping_snes_to_pc(const unsigned int snes_addr, enum rom_type rom_type,
+                          bool header) {
+  int pc_addr;
+  char *info;
+  switch (rom_type) {
+  case LoROM:
+    pc_addr = lorom_snes_to_pc(snes_addr, &info);
+    break;
+  case HiROM:
+    pc_addr = hirom_snes_to_pc(snes_addr, &info);
+    break;
+  default:
     return -1;
-}
-
-int	hirom_sram_pc_to_snes(const unsigned int pc_addr)
-{
-    unsigned int chuck_nb = pc_addr / 0x2000;
-    unsigned int rest = pc_addr % 0x2000;
-
-    return ((0x20 + chuck_nb) << 16) + 0x6000 + rest;
-}
-
-int	lorom_pc_to_snes(const unsigned int pc_addr)
-{
-   
-   unsigned int bank = pc_addr / 0x8000;
-   unsigned int offset = pc_addr % 0x8000 + 0x8000;
-   
-   //printf("pc_addr: %X - Bank: %X - Offset: %X\n", pc_addr, bank, offset);
-   
-   return (bank << 16) + offset;
-}
-
-int lorom_sram_pc_to_snes(const unsigned int pc_addr)
-{   
-    int chuck_nb = pc_addr / 0x8000;
-    int rest = pc_addr % 0x8000;
-
-    if (chuck_nb <= 0xD)
-        return ((0x70 + chuck_nb) << 16) + rest;
-    if (chuck_nb == 0xE || chuck_nb == 0xF)
-        return ((0xF0 + chuck_nb) << 16) + rest;
-    return -1;
-}
-
-int lorom_sram_snes_to_pc(const unsigned int snes_addr)
-{
-    unsigned char	bank = snes_addr >> 16;
-    unsigned int	offset = snes_addr & 0x00FFFF;
-
-    // F0-FD are mirror of 70-7D
-    if (bank >= 0xF0 && bank <= 0xFD)
-        bank -= 0x80;
-    if (bank >= 0x70 && bank <= 0x7D && offset < 0x8000)
-        return (bank - 0x70) * 0x8000 + offset;
-    if ((bank == 0xFE || bank == 0xFF) && offset < 0x8000)
-        return ((bank - 0xFE) + 0xE) * 0x8000 + offset;
-    return -1;
-}
-
-int	rommapping_snes_to_pc(const unsigned int snes_addr, enum rom_type rom_type, bool header)
-{
-  int	pc_addr;
-  char	*info;
-  switch (rom_type)
-  {
-    case LoROM:
-      pc_addr = lorom_snes_to_pc(snes_addr, &info);
-      break;
-    case HiROM:
-      pc_addr = hirom_snes_to_pc(snes_addr, &info);
-      break;
-    default:
-      return -1;
   }
 
   if (pc_addr < 0) {
-    rommapping_error_text = (char *) malloc(strlen(info) + 1);
+    rommapping_error_text = (char *)malloc(strlen(info) + 1);
     strcpy(rommapping_error_text, info);
     return pc_addr;
   }
@@ -179,98 +163,92 @@ int	rommapping_snes_to_pc(const unsigned int snes_addr, enum rom_type rom_type,
   return pc_addr;
 }
 
-int	rommapping_pc_to_snes(const unsigned int pc_addr, enum rom_type rom_type, bool header)
-{
+int rommapping_pc_to_snes(const unsigned int pc_addr, enum rom_type rom_type,
+                          bool header) {
   int snes_addr;
-  
-  switch (rom_type)
-  {
-      case LoROM:
-        snes_addr = lorom_pc_to_snes(header ? pc_addr - 0x200 : pc_addr);
-        break;
-      case HiROM:
-        snes_addr = hirom_pc_to_snes(header ? pc_addr - 0x200 : pc_addr);
-        break;
-      default:
-        return -1;
+
+  switch (rom_type) {
+  case LoROM:
+    snes_addr = lorom_pc_to_snes(header ? pc_addr - 0x200 : pc_addr);
+    break;
+  case HiROM:
+    snes_addr = hirom_pc_to_snes(header ? pc_addr - 0x200 : pc_addr);
+    break;
+  default:
+    return -1;
   }
   return snes_addr;
 }
 
-
-int rommapping_sram_snes_to_pc(const unsigned int snes_addr, enum rom_type rom_type, bool header)
-{
+int rommapping_sram_snes_to_pc(const unsigned int snes_addr,
+                               enum rom_type rom_type, bool header) {
   int pc_addr;
-  switch (rom_type)
-  {
-    case LoROM:
-      pc_addr = lorom_sram_snes_to_pc(snes_addr);
-      break;
-    case HiROM:
-      pc_addr = hirom_sram_snes_to_pc(snes_addr);
-      break;
-    default:
-      return -1;
+  switch (rom_type) {
+  case LoROM:
+    pc_addr = lorom_sram_snes_to_pc(snes_addr);
+    break;
+  case HiROM:
+    pc_addr = hirom_sram_snes_to_pc(snes_addr);
+    break;
+  default:
+    return -1;
   }
   if (header)
     pc_addr += 0x200;
   return pc_addr;
 }
 
-int	rommapping_sram_pc_to_snes(const unsigned int pc_addr, enum rom_type rom_type, bool header)
-{
+int rommapping_sram_pc_to_snes(const unsigned int pc_addr,
+                               enum rom_type rom_type, bool header) {
   int snes_addr;
-  
-  switch (rom_type)
-  {
-      case LoROM:
-        snes_addr = lorom_sram_pc_to_snes(header ? pc_addr - 0x200 : pc_addr);
-        break;
-      case HiROM:
-        snes_addr = hirom_sram_pc_to_snes(header ? pc_addr - 0x200 : pc_addr);
-        break;
-      default:
-        return -1;
+
+  switch (rom_type) {
+  case LoROM:
+    snes_addr = lorom_sram_pc_to_snes(header ? pc_addr - 0x200 : pc_addr);
+    break;
+  case HiROM:
+    snes_addr = hirom_sram_pc_to_snes(header ? pc_addr - 0x200 : pc_addr);
+    break;
+  default:
+    return -1;
   }
   return snes_addr;
 }
 
-void ROM::LoadFromFile(const std::string& path) {
+void ROM::LoadFromFile(const std::string &path) {
 
-  FILE * file = fopen(path.c_str(), "r+");
-  if (file == NULL) return;
+  FILE *file = fopen(path.c_str(), "r+");
+  if (file == NULL)
+    return;
   fseek(file, 0, SEEK_END);
   size = ftell(file);
   fclose(file);
 
   // Reading data to array of unsigned chars
   file = fopen(path.c_str(), "r+");
-  current_rom_ = (unsigned char *) malloc(size);
+  current_rom_ = (unsigned char *)malloc(size);
   int bytes_read = fread(current_rom_, sizeof(unsigned char), size, file);
   fclose(file);
 
-  memcpy(title, current_rom_, 21);
-  
+  memcpy(title, current_rom_ + 32704, 21);
+
   type = LoROM;
   fastrom = (current_rom_[21] & 0b00110000) == 0b00110000;
   if (current_rom_[21] & 1)
-      type = HiROM;
+    type = HiROM;
   if ((current_rom_[21] & 0b00000111) == 0b00000111)
-      type = ExHiROM;
+    type = ExHiROM;
 
   sram_size = 0x400 << current_rom_[24];
-  creator_id =  (current_rom_[26] << 8) | current_rom_[25];
+  creator_id = (current_rom_[26] << 8) | current_rom_[25];
   version = current_rom_[27];
   checksum_comp = (current_rom_[29] << 8) | current_rom_[28];
   checksum = (current_rom_[31] << 8) | current_rom_[30];
   make_sense = false;
   if ((checksum ^ checksum_comp) == 0xFFFF)
-      make_sense = true;
+    make_sense = true;
 
   loaded = true;
-
-  
-
 }
 
 int ROM::SnesToPc(int addr) {
@@ -293,8 +271,8 @@ int ROM::PcToSnes(int addr) {
     b[1] += 0x80;
   }
 
-  //return BitConverter.ToInt32(b, 0);
-  // snes always have + 0x8000 no matter what, the bank on pc is always / 2
+  // return BitConverter.ToInt32(b, 0);
+  //  snes always have + 0x8000 no matter what, the bank on pc is always / 2
 
   return ((addr * 2) & 0xFF0000) + (addr & 0x7FFF) + 0x8000;
 }
@@ -339,6 +317,6 @@ short ROM::ReadReverseShort(int addr) {
   return (short)((current_rom_[addr] << 8) + current_rom_[addr + 1]);
 }
 
-}  // namespace Utils
-}  // namespace Application
-}  // namespace yaze
\ No newline at end of file
+} // namespace Utils
+} // namespace Application
+} // namespace yaze
\ No newline at end of file
diff --git a/src/Application/Utils/ROM.h b/src/Application/Utils/ROM.h
index b41d04ea..723ae2f3 100644
--- a/src/Application/Utils/ROM.h
+++ b/src/Application/Utils/ROM.h
@@ -1,8 +1,6 @@
 #ifndef YAZE_APPLICATION_UTILS_ROM_H
 #define YAZE_APPLICATION_UTILS_ROM_H
 
-#include <bits/postypes.h>
-
 #include <cstddef>
 #include <cstring>
 #include <fstream>
@@ -73,9 +71,6 @@ class ROM {
   bool isLoaded() const { return loaded; }
 
  private:
-  std::vector<char> original_rom_;
-  std::vector<char> working_rom_;
-
   bool loaded = false;
 
   byte* current_rom_;
diff --git a/src/CMakeLists.txt b/src/CMakeLists.txt
index 0ffefb96..4de287a6 100644
--- a/src/CMakeLists.txt
+++ b/src/CMakeLists.txt
@@ -1,6 +1,7 @@
 # SDL libraries --------------------------------------------------------------------------------------------------
 find_package(SDL2 REQUIRED)
 
+find_package(PNG REQUIRED)
 find_package(OpenGL REQUIRED)
 find_package(GLEW REQUIRED)
 
@@ -27,6 +28,10 @@ target_include_directories(ImGuiColorTextEdit PUBLIC ${IMGUI_PATH})
 target_include_directories(ImGuiColorTextEdit PUBLIC ${SDL2_INCLUDE_DIR})
 target_compile_definitions(ImGuiColorTextEdit PUBLIC IMGUI_IMPL_OPENGL_LOADER_CUSTOM=<SDL2/SDL_opengl.h>  GL_GLEXT_PROTOTYPES=1)
 
+set(SNESHACKING_PATH "Library/sneshacking/src")
+file(GLOB SNESHACKING_SOURCES ${SNESHACKING_PATH}/*.c)
+add_library("NintendoCompression" STATIC ${SNESHACKING_SOURCES})
+
 # Executable Linkage --------------------------------------------------------------------------------------
 add_executable(
     yaze
@@ -38,6 +43,7 @@ add_executable(
     Application/Data/OverworldMap.cc
     Application/Graphics/Bitmap.cc
     Application/Graphics/Tile.cc
+    Application/Graphics/Palette.cc
     Application/Editor/Editor.cc
     Application/Editor/OverworldEditor.cc
     Application/Events/Event.cc
@@ -53,6 +59,8 @@ add_executable(
     ${IMGUI_PATH}/misc/cpp/imgui_stdlib.cpp
     ${IMGUI_FILE_DLG_PATH}/ImGuiFileDialog.cpp
     ${IMGUI_COLOR_TEXT_EDIT_PATH}/TextEditor.cpp
+    ${SNESHACKING_PATH}/compressions/alttpcompression.c
+    ${SNESHACKING_PATH}/compressions/stdnintendo.c
 )
 
 target_include_directories(
@@ -60,17 +68,25 @@ target_include_directories(
   Library/
   Application/
   Resources/
+  "C:/msys64/mingw64/include/libpng16"
+  "C:/msys64/mingw64/include/SDL2"
+  "C:/msys64/mingw64/include"
+  ${SNESHACKING_PATH}
+  ${PNG_INCLUDE_DIRS}
   ${SDL2_INCLUDE_DIR}
   ${GLEW_INCLUDE_DIRS}
 )
 
 target_link_libraries(
-  yaze 
+  yaze
+  libstdc++ 
+  SDL2main
+  ${PNG_LIBRARIES}
   ${SDL2_LIBRARIES} 
   ${GLEW_LIBRARIES}
   ${OPENGL_LIBRARIES} 
-  png
   ImGui
+  NintendoCompression
 )
 
 set (source "${CMAKE_SOURCE_DIR}/assets")
diff --git a/src/Library/sneshacking b/src/Library/sneshacking
new file mode 160000
index 00000000..3cf5ab86
--- /dev/null
+++ b/src/Library/sneshacking
@@ -0,0 +1 @@
+Subproject commit 3cf5ab8681839e37c0aa7b8209821b809f47e9c7