diff --git a/sources/PPU/Background.cpp b/sources/PPU/Background.cpp
index 443c755..e7c3dd2 100644
--- a/sources/PPU/Background.cpp
+++ b/sources/PPU/Background.cpp
@@ -92,6 +92,7 @@ namespace ComSquare::PPU
 			Utils::VFlipArray(this->_tileBuffer, {this->_characterNbPixels.x, this->_characterNbPixels.y});
 		for (int i = 0; i < this->_characterNbPixels.y; i++) {
 			for (int j = 0; j < this->_characterNbPixels.x; j++) {
+				//std::copy(this->_tileBuffer.begin(), this->_tileBuffer.begin() + this->_characterNbPixels.x, this->buffer[pos.x].begin() )
 				this->buffer[pos.x][pos.y] = this->_tileBuffer[i][j];
 				pos.x++;
 			}
diff --git a/sources/PPU/PPU.cpp b/sources/PPU/PPU.cpp
index b6fe012..703b8f5 100644
--- a/sources/PPU/PPU.cpp
+++ b/sources/PPU/PPU.cpp
@@ -36,7 +36,7 @@ namespace ComSquare::PPU
 	{
 		this->_registers._isLowByte = true;
 
-		//Utils::Debug::populateEnvironment(*this, 0);
+		Utils::Debug::populateEnvironment(*this, 0);
 	}
 
 	uint8_t PPU::read(uint24_t addr)
@@ -310,8 +310,8 @@ namespace ComSquare::PPU
 		(void)cycles;
 
 		this->renderMainAndSubScreen();
-		this->add_buffer(this->_screen, this->_subScreen);
-		this->add_buffer(this->_screen, this->_mainScreen);
+		this->addBuffer(this->_screen, this->_subScreen);
+		this->addBuffer(this->_screen, this->_mainScreen);
 		//this->_backgrounds[2].renderBackground();
 		//add_buffer(this->_screen, this->_backgrounds[2].buffer);
 		for (unsigned long i = 0; i < this->_screen.size(); i++) {
@@ -656,9 +656,9 @@ namespace ComSquare::PPU
 	void PPU::addToMainSubScreen(Background &bg)
 	{
 		if (this->_registers._t[0].raw & (1U << (bg.getBgNumber() - 1U)))
-			this->add_buffer(this->_mainScreen, bg.buffer);
+			this->addBuffer(this->_mainScreen, bg.buffer);
 		if (this->_registers._t[1].raw & (1U << (bg.getBgNumber() - 1U)))
-			this->add_buffer(this->_subScreen, bg.buffer);
+			this->addBuffer(this->_subScreen, bg.buffer);
 	}
 
 	int PPU::getBgMode() const
diff --git a/sources/PPU/PPU.hpp b/sources/PPU/PPU.hpp
index 6bf913b..2a42e7d 100644
--- a/sources/PPU/PPU.hpp
+++ b/sources/PPU/PPU.hpp
@@ -11,6 +11,7 @@
 #include "Renderer/IRenderer.hpp"
 #include "Ram/Ram.hpp"
 #include "Models/Vector2.hpp"
+#include <algorithm>
 #include "Background.hpp"
 #include "PPUUtils.hpp"
 #include "Debugger/TileViewer/RAMTileRenderer.hpp"
@@ -625,11 +626,9 @@ namespace ComSquare::PPU
 		void renderMainAndSubScreen();
 		//! @brief Add a bg buffer to another buffer
 		template <std::size_t DEST_SIZE_X, std::size_t DEST_SIZE_Y, std::size_t SRC_SIZE_X, std::size_t SRC_SIZE_Y>
-		void add_buffer(std::array<std::array<uint32_t, DEST_SIZE_Y>, DEST_SIZE_X> &bufferDest,
-		                     const std::array<std::array<uint32_t, SRC_SIZE_Y>, SRC_SIZE_X> &bufferSrc,
-		                     const Vector2<int> &offset = {0, 0})
+		void addBuffer(std::array<std::array<uint32_t, DEST_SIZE_Y>, DEST_SIZE_X> &bufferDest,
+		               const std::array<std::array<uint32_t, SRC_SIZE_Y>, SRC_SIZE_X> &bufferSrc)
 		{
-			// TODO use std::ranges
 			for (unsigned long i = 0; i < bufferSrc.size(); i++) {
 				for (unsigned long j = 0; j < bufferSrc[i].size(); j++) {
 					if (bufferSrc[i][j] > 0xFF) // 0xFF correspond to a black pixel with full brightness