diff --git a/sources/Debugger/TileViewer/RAMTileRenderer.cpp b/sources/Debugger/TileViewer/RAMTileRenderer.cpp
index 015ccca..4c13a3c 100644
--- a/sources/Debugger/TileViewer/RAMTileRenderer.cpp
+++ b/sources/Debugger/TileViewer/RAMTileRenderer.cpp
@@ -15,7 +15,7 @@ namespace ComSquare::Debugger
 		  _ramOffset(0),
 		  _bpp(2),
 		  _tileRenderer(ram, cgram),
-		  buffer({{{0}}})
+		  buffer({{0}})
 	{}
 
 	void RAMTileRenderer::render()
@@ -24,8 +24,8 @@ namespace ComSquare::Debugger
 		int bufY = 0;
 		int nbTilesDrawn = 0;
 		int resetX = bufX;
-		for (auto &i : this->buffer)
-			i.fill(0);
+		//for (auto &i : this->buffer)
+		//	i.fill(0);
 		uint24_t limit = std::fmin(this->_ram.getSize(), this->_renderSize) + this->_ramOffset;
 
 		for (uint24_t i = this->_ramOffset; i < limit; i += PPU::Tile::BaseByteSize * this->_bpp, nbTilesDrawn++) {
@@ -47,7 +47,7 @@ namespace ComSquare::Debugger
 
 			for (const auto &raw : this->_tileRenderer.buffer) {
 				for (const auto &pixel : raw) {
-					buffer[bufX++][bufY] = pixel;
+					this->buffer[bufX++][bufY] = pixel;
 				}
 				bufY++;
 				bufX = resetX;
diff --git a/sources/Debugger/TileViewer/RAMTileRenderer.hpp b/sources/Debugger/TileViewer/RAMTileRenderer.hpp
index 7370fe3..5e1792e 100644
--- a/sources/Debugger/TileViewer/RAMTileRenderer.hpp
+++ b/sources/Debugger/TileViewer/RAMTileRenderer.hpp
@@ -4,7 +4,7 @@
 
 #pragma once
 
-#include <array>
+#include <vector>
 #include "PPU/TileRenderer.hpp"
 #include "Ram/Ram.hpp"
 
@@ -27,7 +27,7 @@ namespace ComSquare::Debugger
 		PPU::TileRenderer _tileRenderer;
 	public:
 		//! @brief internal buffer
-		std::array<std::array<uint32_t, 1024>, 1024> buffer;
+		std::vector<std::vector<uint32_t>> buffer;
 		//! @brief Set the palette to use for render (index of palette)
 		void setPaletteIndex(int paletteIndex);
 		//! @brief Set the bpp to render graphics
diff --git a/sources/Debugger/TileViewer/TileViewer.cpp b/sources/Debugger/TileViewer/TileViewer.cpp
index d622b1d..36b401d 100644
--- a/sources/Debugger/TileViewer/TileViewer.cpp
+++ b/sources/Debugger/TileViewer/TileViewer.cpp
@@ -11,18 +11,21 @@
 #include <iostream>
 #include "RAMTileRenderer.hpp"
 #include "PPU/PPU.hpp"
+#include "PPU/Tile.hpp"
 
 namespace ComSquare::Debugger
 {
 	TileViewer::TileViewer(SNES &snes, ComSquare::PPU::PPU &ppu)
-		: _window(new ClosableWindow([&snes] { snes.disableTileViewer(); })),
+		:_window(new ClosableWindow([&snes] { snes.disableTileViewer(); })),
 		  _snes(snes),
 		  _ui(),
 		  _ppu(ppu),
 		  _ramTileRenderer(ppu.vram, ppu.cgram)
 	{
 		this->_ui.setupUi(this->_window);
-		this->_sfWidget = std::make_unique<Renderer::QtSFMLTileRenderer>(this->_ui.widget_sfml);
+		this->_qtSfmlRenderer(this->_ui.widget_sfml, 30);
+		this->_renderer = this->_qtSfmlRenderer;
+	//	this->_sfWidget = std::make_unique<Renderer::QtSFMLTileRenderer>(this->_ui.widget_sfml);
 		QMainWindow::connect(this->_ui.NbColumns, QOverload<int>::of(&QSpinBox::valueChanged), this,
 		                     [this](int nb) -> void { this->setNbColumns(nb); });
 		QMainWindow::connect(this->_ui.ByteSize, QOverload<int>::of(&QSpinBox::valueChanged), this,
@@ -109,7 +112,15 @@ namespace ComSquare::Debugger
 	void TileViewer::internalUpdate()
 	{
 		this->_ramTileRenderer.render();
-		this->_sfWidget->buffer = this->_ramTileRenderer.buffer;
+		int i = 0;
+		int j = 0;
+		for (const auto &row : this->_ramTileRenderer.buffer) {
+			for (const auto &pixel : row) {
+				this->_renderer.putPixel(j++, i, pixel);
+			}
+			j = 0;
+			i++;
+		}
 	}
 
 	void TileViewer::setRamOffset(int offset)
diff --git a/sources/Debugger/TileViewer/TileViewer.hpp b/sources/Debugger/TileViewer/TileViewer.hpp
index e8f7fd8..e172189 100644
--- a/sources/Debugger/TileViewer/TileViewer.hpp
+++ b/sources/Debugger/TileViewer/TileViewer.hpp
@@ -31,11 +31,16 @@ namespace ComSquare::Debugger
 		//! @brief A reference to the ppu
 		ComSquare::PPU::PPU &_ppu;
 		//! @brief the window
-		std::unique_ptr<Renderer::QtSFMLTileRenderer> _sfWidget;
+		//std::unique_ptr<Renderer::QtSFMLTileRenderer> _sfWidget;
 		//! @brief The ram tile renderer
 		RAMTileRenderer _ramTileRenderer;
+		//! @brief The instantiation of the renderer (should be passed via argument)
+		Renderer::QtWidgetSFML _qtSfmlRenderer;
+		//! @brief Renderer used to display tiles
+		Renderer::IRenderer &_renderer;
 		//! @brief Change the bpp from the index given by the ui (QT combo box)
 		void _bppChangeUIHandler(int index);
+
 	public:
 		//! @brief ctor
 		explicit TileViewer(SNES &snes, ComSquare::PPU::PPU &ppu);
diff --git a/sources/PPU/PPU.cpp b/sources/PPU/PPU.cpp
index 95076ec..5105557 100644
--- a/sources/PPU/PPU.cpp
+++ b/sources/PPU/PPU.cpp
@@ -31,7 +31,7 @@ namespace ComSquare::PPU
 	{
 		this->_registers._isLowByte = true;
 
-		//Utils::Debug::populateEnvironment(*this, 1);
+		Utils::Debug::populateEnvironment(*this, 1);
 	}
 
 	uint8_t PPU::read(uint24_t addr)
diff --git a/sources/PPU/TileRenderer.cpp b/sources/PPU/TileRenderer.cpp
index 5dfa5f9..5b9301e 100644
--- a/sources/PPU/TileRenderer.cpp
+++ b/sources/PPU/TileRenderer.cpp
@@ -75,7 +75,6 @@ namespace ComSquare::PPU
 
 	uint8_t TileRenderer::getPixelReferenceFromTileRow(uint16_t tileRowAddress, uint8_t pixelIndex)
 	{
-		// TODO unit test this
 		uint16_t result = 0;
 
 		switch (this->_bpp) {
diff --git a/sources/Renderer/IRenderer.hpp b/sources/Renderer/IRenderer.hpp
index 72c54bb..2430565 100644
--- a/sources/Renderer/IRenderer.hpp
+++ b/sources/Renderer/IRenderer.hpp
@@ -20,6 +20,11 @@ namespace ComSquare
 			//! @brief Render the buffer to the window
 			virtual void drawScreen() = 0;
 
+			//! @brief Set a size or resize the Renderer drawing size
+			//! @param height The new height of the renderer in pixels
+			//! @param width The new width of the renderer in pixels
+			virtual void setSize(unsigned width, unsigned height) = 0;
+
 			//! @brief Set a pixel to the coordinates x, y with the color rgba
 			//! @param x The x position of the window (0, 0 is the top left corner).
 			//! @param y The y position of the window (0, 0 is the top left corner).
diff --git a/sources/Renderer/QtRenderer/QtSfmlTileRenderer.cpp b/sources/Renderer/QtRenderer/QtSfmlTileRenderer.cpp
index 25d0805..72fe042 100644
--- a/sources/Renderer/QtRenderer/QtSfmlTileRenderer.cpp
+++ b/sources/Renderer/QtRenderer/QtSfmlTileRenderer.cpp
@@ -2,26 +2,31 @@
 // Created by cbihan on 08/06/2021.
 //
 
-#include <iostream>
+#include "PPU/Tile.hpp"
 #include "QtSfmlTileRenderer.hpp"
 
+
 namespace ComSquare::Renderer
 {
 
 	QtSFMLTileRenderer::QtSFMLTileRenderer(QWidget *parent,
 	                                       int frameRate)
-		: QtWidgetSFML(parent, {0, 0}, {1025, 1025}, frameRate)
+		: QtWidgetSFML(parent, {0, 0}, {16 * PPU::Tile::NbPixelsWidth, 18 * PPU::Tile::NbPixelsHeight}, frameRate)
 	{
 		// todo the size of the sfml renderwindow should fill the parent
 	}
 
 	void QtSFMLTileRenderer::onUpdate()
 	{
-		this->_window.clear(sf::Color::Black);
-		for (unsigned long i = 0; i < this->buffer.size(); i++) {
-			for (unsigned long j = 0; j < this->buffer[i].size(); j++) {
-				this->putPixel(j, i, this->buffer[i][j]);
+		int i = 0;
+		int j = 0;
+		this->_renderWindow.clear(sf::Color::Black);
+		for (const auto &row : this->buffer) {
+			for (const auto &pixel : row) {
+				this->putPixel(j++, i, pixel);
 			}
+			i++;
+			j = 0;
 		}
 		this->drawScreen();
 	}
diff --git a/sources/Renderer/QtRenderer/QtWidgetSFML.cpp b/sources/Renderer/QtRenderer/QtWidgetSFML.cpp
index e9011fa..936c12c 100644
--- a/sources/Renderer/QtRenderer/QtWidgetSFML.cpp
+++ b/sources/Renderer/QtRenderer/QtWidgetSFML.cpp
@@ -29,8 +29,8 @@ namespace ComSquare::Renderer
 #ifdef Q_WS_X11
 			XFlush(QX11Info::display());
 #endif
-			this->_window.create(static_cast<sf::WindowHandle>(this->winId()));
-			this->_window.setFramerateLimit(60);
+			this->_renderWindow.create(static_cast<sf::WindowHandle>(this->winId()));
+			this->_renderWindow.setFramerateLimit(60);
 			this->_onInit();
 
 			this->_timer.setSingleShot(false);
@@ -52,4 +52,15 @@ namespace ComSquare::Renderer
 
 	void QtWidgetSFML::_onInit()
 	{}
+
+	void QtWidgetSFML::setSize(unsigned int width, unsigned int height)
+	{
+		SFRenderer::setSize(width, height);
+		QWidget::resize(static_cast<int>(width), static_cast<int>(height));
+	}
+
+	void QtWidgetSFML::onUpdate()
+	{
+		this->drawScreen();
+	}
 }
\ No newline at end of file
diff --git a/sources/Renderer/QtRenderer/QtWidgetSFML.hpp b/sources/Renderer/QtRenderer/QtWidgetSFML.hpp
index 14a896a..d35f64b 100644
--- a/sources/Renderer/QtRenderer/QtWidgetSFML.hpp
+++ b/sources/Renderer/QtRenderer/QtWidgetSFML.hpp
@@ -18,7 +18,12 @@ namespace ComSquare::Renderer
 		Q_OBJECT
 	public slots:
 		//! @brief Function called to update this widget.
-		virtual void onUpdate() = 0;
+		virtual void onUpdate();
+
+		//! @brief Set a size or resize the Renderer drawing size
+		//! @param height The new height of the renderer in pixels
+		//! @param width The new width of the renderer in pixels
+		void setSize(unsigned width, unsigned height) override;
 	private:
 		//! @brief Function called when this widget is created.
 		virtual void _onInit();
diff --git a/sources/Renderer/SFRenderer.cpp b/sources/Renderer/SFRenderer.cpp
index 3930b95..dc7239a 100644
--- a/sources/Renderer/SFRenderer.cpp
+++ b/sources/Renderer/SFRenderer.cpp
@@ -12,21 +12,21 @@
 namespace ComSquare::Renderer
 {
 	SFRenderer::SFRenderer(unsigned int height, unsigned int width)
+		: _videoMode({width, height, 32}),
+		  _pixelBuffer(new sf::Color[height * width])
 	{
-		this->_videoMode = {width, height, 32};
 		this->_texture.create(width, height);
 		this->_sprite.setTexture(this->_texture);
-		this->_pixelBuffer = new sf::Color[height * width];
 		this->_sound.setBuffer(this->_soundBuffer);
 	}
 
 	void SFRenderer::createWindow(SNES &snes, int maxFPS)
 	{
 		sf::Image icon;
-		this->_window.create(this->_videoMode, "ComSquare Emulator", sf::Style::Default);
+		this->_renderWindow.create(this->_videoMode, "ComSquare Emulator", sf::Style::Default);
 		if (icon.loadFromFile("resources/Logo.png"))
-			this->_window.setIcon(314, 314, icon.getPixelsPtr());
-		this->_window.setFramerateLimit(maxFPS);
+			this->_renderWindow.setIcon(314, 314, icon.getPixelsPtr());
+		this->_renderWindow.setFramerateLimit(maxFPS);
 		this->setWindowName(snes.cartridge.header.gameName);
 
 		while (!this->shouldExit) {
@@ -37,20 +37,20 @@ namespace ComSquare::Renderer
 
 	SFRenderer::~SFRenderer()
 	{
-		delete [] this->_pixelBuffer;
+		delete[] this->_pixelBuffer;
 	}
 
 	void SFRenderer::setWindowName(std::string &newWindowName)
 	{
-		this->_window.setTitle(newWindowName + " - ComSquare");
+		this->_renderWindow.setTitle(newWindowName + " - ComSquare");
 	}
 
 	void SFRenderer::drawScreen()
 	{
 		this->_texture.update(reinterpret_cast<sf::Uint8 *>(this->_pixelBuffer));
 		this->_sprite.setTexture(this->_texture);
-		this->_window.draw(this->_sprite);
-		this->_window.display();
+		this->_renderWindow.draw(this->_sprite);
+		this->_renderWindow.display();
 	}
 
 	void SFRenderer::playAudio(std::span<int16_t> samples)
@@ -71,12 +71,24 @@ namespace ComSquare::Renderer
 
 	void SFRenderer::getEvents()
 	{
-		sf::Event event;
-		while (this->_window.pollEvent(event)) {
+		sf::Event event{};
+		while (this->_renderWindow.pollEvent(event)) {
 			if (event.type == sf::Event::Closed) {
 				this->shouldExit = true;
 				break;
 			}
 		}
 	}
+
+	void SFRenderer::setSize(unsigned int width, unsigned int height)
+	{
+		this->_renderWindow.setSize({width, height});
+		this->_videoMode.width = width;
+		this->_videoMode.height = height;
+		if (!this->_texture.create(width, height)) {
+			throw std::runtime_error("sfml texture resize failed");
+		}
+		delete[] this->_pixelBuffer;
+		this->_pixelBuffer = new sf::Color[height * width];
+	}
 }
diff --git a/sources/Renderer/SFRenderer.hpp b/sources/Renderer/SFRenderer.hpp
index c0cb08c..910ca1a 100644
--- a/sources/Renderer/SFRenderer.hpp
+++ b/sources/Renderer/SFRenderer.hpp
@@ -20,13 +20,13 @@ namespace ComSquare::Renderer
 	public:
 		explicit InvalidPixelPosition(const std::string &name, unsigned int x, unsigned int width)
 			: _msg("Trying to place a pixel at an invalid " + name + " (" + std::to_string(x) + ">=" + std::to_string(width) + ")") {}
-		const char *what() const noexcept override { return this->_msg.c_str(); }
+		[[nodiscard]] const char *what() const noexcept override { return this->_msg.c_str(); }
 	};
 
 	class SFRenderer : public IRenderer {
 	protected:
 		//! @brief The Renderer for the window.
-		sf::RenderWindow _window;
+		sf::RenderWindow _renderWindow;
 		//! @brief Video Mode containing the _height and _width of the window.
 		sf::VideoMode _videoMode;
 		//! @brief The image that contain all of the pixels
@@ -48,6 +48,10 @@ namespace ComSquare::Renderer
 		void setWindowName(std::string &newWindowName) override;
 		//! @brief Update the screen by printing the buffer.
 		void drawScreen() override;
+		//! @brief Set a size or resize the Renderer drawing size
+		//! @param height The new height of the renderer in pixels
+		//! @param width The new width of the renderer in pixels
+		void setSize(unsigned width, unsigned height) override;
 		//! @brief Add a pixel to the buffer to the coordinates x, y with the color rgba.
 		//! @param X horizontal index.
 		//! @param Y vertical index.
diff --git a/ui/tileView.ui b/ui/tileView.ui
index 8e1a55c..a76b3be 100644
--- a/ui/tileView.ui
+++ b/ui/tileView.ui
@@ -22,7 +22,45 @@
     <item row="0" column="0">
      <layout class="QHBoxLayout" name="horizontalLayout">
       <item>
-       <widget class="QWidget" name="widget_sfml" native="true"/>
+       <widget class="QScrollArea" name="scrollArea">
+        <property name="sizePolicy">
+         <sizepolicy hsizetype="Fixed" vsizetype="Fixed">
+          <horstretch>0</horstretch>
+          <verstretch>7</verstretch>
+         </sizepolicy>
+        </property>
+        <property name="minimumSize">
+         <size>
+          <width>300</width>
+          <height>400</height>
+         </size>
+        </property>
+        <property name="maximumSize">
+         <size>
+          <width>1024</width>
+          <height>1024</height>
+         </size>
+        </property>
+        <property name="widgetResizable">
+         <bool>true</bool>
+        </property>
+        <widget class="QWidget" name="widget_sfml">
+         <property name="geometry">
+          <rect>
+           <x>0</x>
+           <y>0</y>
+           <width>1024</width>
+           <height>1024</height>
+          </rect>
+         </property>
+         <property name="minimumSize">
+          <size>
+           <width>1024</width>
+           <height>1024</height>
+          </size>
+         </property>
+        </widget>
+       </widget>
       </item>
       <item>
        <layout class="QFormLayout" name="formLayout">
@@ -55,14 +93,14 @@
           </property>
          </widget>
         </item>
-        <item row="2" column="0">
+        <item row="1" column="0">
          <widget class="QLabel" name="label_3">
           <property name="text">
            <string>SIze (bytes)</string>
           </property>
          </widget>
         </item>
-        <item row="2" column="1">
+        <item row="1" column="1">
          <widget class="QSpinBox" name="ByteSize">
           <property name="enabled">
            <bool>true</bool>
@@ -93,14 +131,14 @@
           </property>
          </widget>
         </item>
-        <item row="3" column="0">
+        <item row="2" column="0">
          <widget class="QLabel" name="label_4">
           <property name="text">
            <string>Format</string>
           </property>
          </widget>
         </item>
-        <item row="3" column="1">
+        <item row="2" column="1">
          <widget class="QComboBox" name="BppFormat">
           <property name="currentText">
            <string>2 bpp</string>
@@ -131,7 +169,7 @@
           </item>
          </widget>
         </item>
-        <item row="4" column="0">
+        <item row="3" column="0">
          <widget class="QLabel" name="label_2">
           <property name="cursor">
            <cursorShape>ArrowCursor</cursorShape>
@@ -140,10 +178,11 @@
            <string>Columns</string>
           </property>
           <property name="buddy">
+           <cstring></cstring>
           </property>
          </widget>
         </item>
-        <item row="4" column="1">
+        <item row="3" column="1">
          <widget class="QSpinBox" name="NbColumns">
           <property name="readOnly">
            <bool>false</bool>
@@ -162,14 +201,14 @@
           </property>
          </widget>
         </item>
-        <item row="5" column="0">
+        <item row="4" column="0">
          <widget class="QLabel" name="label_6">
           <property name="text">
            <string>Palette Index</string>
           </property>
          </widget>
         </item>
-        <item row="5" column="1">
+        <item row="4" column="1">
          <widget class="QSpinBox" name="PaletteIndex">
           <property name="maximum">
            <number>255</number>