diff --git a/src/backend/core/mmio/PIF.cpp b/src/backend/core/mmio/PIF.cpp
index fc6ceadc..984ab701 100644
--- a/src/backend/core/mmio/PIF.cpp
+++ b/src/backend/core/mmio/PIF.cpp
@@ -333,41 +333,8 @@ void PIF::EepromWrite(const u8* cmd, u8* res, const Mem& mem) {
   }
 }
 
-void PIF::UpdateController(u32 value) {
-  bool A = (value >> 31) & 1;
-  bool B = (value >> 30) & 1;
-  bool Z = (value >> 29) & 1;
-  bool START = (value >> 28) & 1;
-  bool DUP = (value >> 27) & 1;
-  bool DDOWN = (value >> 26) & 1;
-  bool DLEFT = (value >> 25) & 1;
-  bool DRIGHT = (value >> 24) & 1;
-  bool L = (value >> 21) & 1;
-  bool R = (value >> 20) & 1;
-  bool CUP = (value >> 19) & 1;
-  bool CDOWN = (value >> 18) & 1;
-  bool CLEFT = (value >> 17) & 1;
-  bool CRIGHT = (value >> 16) & 1;
-  s8 x = (s8(value >> 8)) & 0xFF;
-  s8 y = (s8(value)) & 0xFF;
-
-  joybusDevices[channel].controller.a = A;
-  joybusDevices[channel].controller.b = B;
-  joybusDevices[channel].controller.z = Z;
-  joybusDevices[channel].controller.start = START;
-  joybusDevices[channel].controller.dp_up = DUP;
-  joybusDevices[channel].controller.dp_down = DDOWN;
-  joybusDevices[channel].controller.dp_left = DLEFT;
-  joybusDevices[channel].controller.dp_right = DRIGHT;
-  joybusDevices[channel].controller.joy_reset = L && R && START;
-  joybusDevices[channel].controller.l = L;
-  joybusDevices[channel].controller.r = R;
-  joybusDevices[channel].controller.c_up = CUP;
-  joybusDevices[channel].controller.c_down = CDOWN;
-  joybusDevices[channel].controller.c_left = CLEFT;
-  joybusDevices[channel].controller.c_right = CRIGHT;
-  joybusDevices[channel].controller.joy_x = x;
-  joybusDevices[channel].controller.joy_y = -y;
+void PIF::UpdateController(Controller value) {
+  joybusDevices[channel].controller = value;
 
   if (joybusDevices[channel].controller.joy_reset) {
     joybusDevices[channel].controller.start = false;
diff --git a/src/backend/core/mmio/PIF.hpp b/src/backend/core/mmio/PIF.hpp
index b5c83d1a..23810419 100644
--- a/src/backend/core/mmio/PIF.hpp
+++ b/src/backend/core/mmio/PIF.hpp
@@ -115,7 +115,7 @@ struct PIF {
   void CICChallenge();
   static void ExecutePIF(Mem& mem, Registers& regs);
   static void DoPIFHLE(Mem& mem, Registers& regs, bool pal, CICType cicType);
-  void UpdateController(u32);
+  void UpdateController(Controller);
   bool ReadButtons(u8*) const;
   void ControllerID(u8*) const;
   void MempakRead(const u8*, u8*);
diff --git a/src/frontend/KaizenQt.cpp b/src/frontend/KaizenQt.cpp
index 76992eb5..a243430a 100644
--- a/src/frontend/KaizenQt.cpp
+++ b/src/frontend/KaizenQt.cpp
@@ -13,12 +13,11 @@ KaizenQt::KaizenQt() noexcept : QWidget(nullptr) {
     std::move(mainWindow->view.vulkanWidget->windowInfo),
     mainWindow);
 
+  mainWindow->emuThread = emuThread;
+
   ConnectMainWindowSignalsToSlots();
 
-  grabKeyboard();
   setAcceptDrops(true);
-  setFocusPolicy(Qt::FocusPolicy::StrongFocus);
-  setFocus();
 
   mainWindow->show();
 }
@@ -47,29 +46,4 @@ void KaizenQt::dropEvent(QDropEvent* event) {
 void KaizenQt::LoadROM(const QString& file_name) noexcept {
   emuThread->start();
   emuThread->core.LoadROM(file_name.toStdString());
-}
-
-void KaizenQt::keyPressEvent(QKeyEvent* e) {
-  u32 data = 0;
-  emuThread->core.cpu->mem.mmio.si.pif.UpdateController(data);
-  if (e->key() == Qt::Key::Key_X) data |= (1 << 31);
-  if (e->key() == Qt::Key::Key_C) data |= (1 << 30);
-  if (e->key() == Qt::Key::Key_Z) data |= (1 << 29);
-  if (e->key() == Qt::Key::Key_Enter
-    || e->key() == Qt::Key::Key_Return) data |= (1 << 28);
-  if (e->key() == Qt::Key::Key_I) data |= (1 << 27);
-  if (e->key() == Qt::Key::Key_K) data |= (1 << 26);
-  if (e->key() == Qt::Key::Key_J) data |= (1 << 25);
-  if (e->key() == Qt::Key::Key_L) data |= (1 << 24);
-  if (e->key() == Qt::Key::Key_A) data |= (1 << 21);
-  if (e->key() == Qt::Key::Key_S) data |= (1 << 20);
-  if (e->key() == Qt::Key::Key_8) data |= (1 << 19);
-  if (e->key() == Qt::Key::Key_2) data |= (1 << 18);
-  if (e->key() == Qt::Key::Key_4) data |= (1 << 17);
-  if (e->key() == Qt::Key::Key_6) data |= (1 << 16);
-  if (e->key() == Qt::Key::Key_Up) data |= 127;
-  if (e->key() == Qt::Key::Key_Down) data |= -127;
-  if (e->key() == Qt::Key::Key_Left) data |= u32(-127) << 8;
-  if (e->key() == Qt::Key::Key_Right) data |= u32(127) << 8;
-  emuThread->core.cpu->mem.mmio.si.pif.UpdateController(data);
 }
\ No newline at end of file
diff --git a/src/frontend/KaizenQt.hpp b/src/frontend/KaizenQt.hpp
index 7aef086f..e98b7533 100644
--- a/src/frontend/KaizenQt.hpp
+++ b/src/frontend/KaizenQt.hpp
@@ -29,8 +29,6 @@ public:
   void LoadROM(const QString& path) noexcept;
   void dropEvent(QDropEvent*) override;
   void dragEnterEvent(QDragEnterEvent*) override;
-protected:
-  void keyPressEvent(QKeyEvent* event) override;
 private:
   void ConnectMainWindowSignalsToSlots() noexcept;
   MainWindowController* mainWindow;
diff --git a/src/frontend/MainWindow.cpp b/src/frontend/MainWindow.cpp
index dd01b55d..e0f4c854 100644
--- a/src/frontend/MainWindow.cpp
+++ b/src/frontend/MainWindow.cpp
@@ -1,5 +1,6 @@
 #include <QFileDialog>
 #include <QMessageBox>
+#include <QKeyEvent>
 #include <MainWindow.hpp>
 
 MainWindowController::MainWindowController() noexcept {
@@ -9,6 +10,8 @@ MainWindowController::MainWindowController() noexcept {
   view.actionStop->setDisabled(true);
   view.vulkanWidget->hide();
   ConnectSignalsToSlots();
+  setFocusPolicy(Qt::FocusPolicy::StrongFocus);
+  setFocus();
 }
 
 void MainWindowController::ConnectSignalsToSlots() noexcept {
@@ -54,4 +57,33 @@ void MainWindowController::ConnectSignalsToSlots() noexcept {
         "Kaizen is licensed under the BSD 3-clause license.\n"
         "Nintendo 64 is a registered trademarks of Nintendo Co., Ltd."));
   });
+}
+
+void MainWindowController::keyPressEvent(QKeyEvent* e) {
+  n64::Controller data{};
+
+  data.z = (e->key() == Qt::Key::Key_Z);
+  data.a = (e->key() == Qt::Key::Key_X);
+  data.b = (e->key() == Qt::Key::Key_C);
+  data.start = e->key() == Qt::Key::Key_Enter || e->key() == Qt::Key::Key_Return;
+  data.dp_up = (e->key() == Qt::Key::Key_I);
+  data.dp_down = (e->key() == Qt::Key::Key_K);
+  data.dp_left = (e->key() == Qt::Key::Key_J);
+  data.dp_right = (e->key() == Qt::Key::Key_L);
+  data.l = (e->key() == Qt::Key::Key_A);
+  data.r = (e->key() == Qt::Key::Key_S);
+  data.c_up = (e->key() == Qt::Key::Key_8);
+  data.c_down = (e->key() == Qt::Key::Key_2);
+  data.c_left = (e->key() == Qt::Key::Key_4);
+  data.c_right = (e->key() == Qt::Key::Key_6);
+  data.joy_y = (e->key() == Qt::Key::Key_Up) ? 127 : 0;
+  data.joy_y = (e->key() == Qt::Key::Key_Down) ? -127 : 0;
+  data.joy_x = (e->key() == Qt::Key::Key_Left) ? -127 : 0;
+  data.joy_x = (e->key() == Qt::Key::Key_Right) ? 127 : 0;
+
+  emuThread->core.pause = true;
+  emuThread->core.cpu->mem.mmio.si.pif.UpdateController(data);
+  emuThread->core.pause = false;
+  QWidget::keyPressEvent(e);
+  setFocus();
 }
\ No newline at end of file
diff --git a/src/frontend/MainWindow.hpp b/src/frontend/MainWindow.hpp
index 0337f80c..e4170b4f 100644
--- a/src/frontend/MainWindow.hpp
+++ b/src/frontend/MainWindow.hpp
@@ -12,8 +12,10 @@ public:
   MainWindowController() noexcept;
 
   Ui::MainWindow view;
+  EmuThread* emuThread = nullptr;
 private:
   void ConnectSignalsToSlots() noexcept;
+  void keyPressEvent(QKeyEvent* event) override;
 
   bool textPauseToggle = false;
 
diff --git a/src/frontend/RenderWidget.hpp b/src/frontend/RenderWidget.hpp
index 0abbc31a..92865f4d 100644
--- a/src/frontend/RenderWidget.hpp
+++ b/src/frontend/RenderWidget.hpp
@@ -53,12 +53,12 @@ public:
     return vec;
   }
 
-  VkSurfaceKHR create_surface(VkInstance instance, VkPhysicalDevice) override {
+  VkSurfaceKHR create_surface(VkInstance, VkPhysicalDevice) override {
     window->show();
     return QVulkanInstance::surfaceForWindow(window);
   }
 
-  void destroy_surface(VkInstance instance, VkSurfaceKHR surface) override { }
+  void destroy_surface(VkInstance, VkSurfaceKHR) override { }
 
   uint32_t get_surface_width() override {
     return 640;