diff --git a/ProjectPSX.OpenTK/Program.cs b/ProjectPSX.OpenTK/Program.cs
index c1a0fec..ae69e31 100644
--- a/ProjectPSX.OpenTK/Program.cs
+++ b/ProjectPSX.OpenTK/Program.cs
@@ -1,3 +1,4 @@
+using OpenToolkit.Graphics.OpenGL;
 using OpenToolkit.Mathematics;
 using OpenToolkit.Windowing.Desktop;
 using System;
@@ -13,6 +14,8 @@ namespace ProjectPSX.OpenTK {
             settings.RenderFrequency = 60;
             settings.UpdateFrequency = 60;
             NativeWindowSettings nativeWindow = new NativeWindowSettings();
+            nativeWindow.API = OpenToolkit.Windowing.Common.ContextAPI.OpenGL;
+            nativeWindow.APIVersion = new Version(3, 2);
             nativeWindow.Size = new Vector2i(1024, 512);
             nativeWindow.Title = "ProjectPSX";
             nativeWindow.Profile = OpenToolkit.Windowing.Common.ContextProfile.Compatability;
diff --git a/ProjectPSX.OpenTK/ProjectPSX.OpenTK.csproj b/ProjectPSX.OpenTK/ProjectPSX.OpenTK.csproj
index 2df0b49..0761531 100644
--- a/ProjectPSX.OpenTK/ProjectPSX.OpenTK.csproj
+++ b/ProjectPSX.OpenTK/ProjectPSX.OpenTK.csproj
@@ -9,6 +9,11 @@
     <AllowUnsafeBlocks>true</AllowUnsafeBlocks>
   </PropertyGroup>
 
+  <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Debug|AnyCPU'">
+    <AllowUnsafeBlocks>true</AllowUnsafeBlocks>
+    <Optimize>true</Optimize>
+  </PropertyGroup>
+
   <ItemGroup>
     <PackageReference Include="OpenTK" Version="4.0.0-pre9.1" />
   </ItemGroup>
diff --git a/ProjectPSX.OpenTK/Window.cs b/ProjectPSX.OpenTK/Window.cs
index 89be1dd..8c69166 100644
--- a/ProjectPSX.OpenTK/Window.cs
+++ b/ProjectPSX.OpenTK/Window.cs
@@ -9,15 +9,18 @@ using System;
 namespace ProjectPSX.OpenTK {
     public class Window : GameWindow, IHostWindow {
 
+        const int PSX_MHZ = 33868800;
+        const int SYNC_CYCLES = 100;
+        const int MIPS_UNDERCLOCK = 2;
+
         private ProjectPSX psx;
         private int[] displayBuffer;
         private Dictionary<Key, GamepadInputsEnum> _gamepadKeyMap;
         private AudioPlayer audioPlayer = new AudioPlayer();
         private int vSyncCounter;
+        private int cpuCyclesCounter;
 
         public Window(GameWindowSettings gameWindowSettings, NativeWindowSettings nativeWindowSettings) : base(gameWindowSettings, nativeWindowSettings) {
-            psx = new ProjectPSX(this, @"C:\Users\Wapens\source\repos\ProjectPSX\ProjectPSX\bin\r4.bin");
-            psx.POWER_ON();
 
             _gamepadKeyMap = new Dictionary<Key, GamepadInputsEnum>() {
                 { Key.Space, GamepadInputsEnum.Space},
@@ -37,6 +40,16 @@ namespace ProjectPSX.OpenTK {
                 { Key.S , GamepadInputsEnum.S },
                 { Key.A , GamepadInputsEnum.A },
             };
+
+            FileDrop += Window_FileDrop;
+        }
+
+        private void Window_FileDrop(FileDropEventArgs fileDrop) {
+            string[] files = fileDrop.FileNames;
+            string file = files[0];
+            if(file.EndsWith(".bin") || file.EndsWith(".cue")) {
+                psx = new ProjectPSX(this, file);
+            }
         }
 
         protected override void OnLoad() {
@@ -81,7 +94,7 @@ namespace ProjectPSX.OpenTK {
 
         protected override void OnUpdateFrame(FrameEventArgs args) {
             base.OnUpdateFrame(args);
-            psx.RunFrame();
+            psx?.RunFrame();
         }
 
         protected override void OnKeyDown(KeyboardKeyEventArgs e) {
@@ -113,10 +126,6 @@ namespace ProjectPSX.OpenTK {
             return fps;
         }
 
-        public void SetWindowText(string newText) {
-            this.Title = newText;
-        }
-
         public void SetDisplayMode(int horizontalRes, int verticalRes, bool is24BitDepth) {
             //throw new System.NotImplementedException();
         }