diff --git a/src/pse-sdl/main.cpp b/src/pse-sdl/main.cpp
index a582bed26..054836bee 100644
--- a/src/pse-sdl/main.cpp
+++ b/src/pse-sdl/main.cpp
@@ -42,14 +42,14 @@ static int Run(int argc, char* argv[])
 
   // parameters
   const char* filename = nullptr;
-  s32 state_index = -1;
+  TinyString state_filename;
   for (int i = 1; i < argc; i++)
   {
 #define CHECK_ARG(str) !std::strcmp(argv[i], str)
 #define CHECK_ARG_PARAM(str) (!std::strcmp(argv[i], str) && ((i + 1) < argc))
 
     if (CHECK_ARG_PARAM("-state"))
-      state_index = std::atoi(argv[++i]);
+      state_filename = SDLInterface::GetSaveStateFilename(std::strtoul(argv[++i], nullptr, 10));
     else
       filename = argv[i];
 
@@ -58,7 +58,7 @@ static int Run(int argc, char* argv[])
   }
 
   // create system
-  if (!host_interface->InitializeSystem(filename, state_index))
+  if (!host_interface->InitializeSystem(filename, state_filename.IsEmpty() ? nullptr : state_filename.GetCharArray()))
   {
     host_interface.reset();
     SDL_Quit();
diff --git a/src/pse-sdl/sdl_interface.cpp b/src/pse-sdl/sdl_interface.cpp
index 984b3155d..1dc63f3fe 100644
--- a/src/pse-sdl/sdl_interface.cpp
+++ b/src/pse-sdl/sdl_interface.cpp
@@ -153,28 +153,6 @@ TinyString SDLInterface::GetSaveStateFilename(u32 index)
   return TinyString::FromFormat("savestate_%u.bin", index);
 }
 
-bool SDLInterface::InitializeSystem(const char* filename, s32 save_state_index /* = -1 */)
-{
-  m_system = std::make_unique<System>(this);
-  if (!m_system->Initialize())
-  {
-    m_system.reset();
-    return false;
-  }
-
-  m_system->Reset();
-
-  if (save_state_index >= 0)
-  {
-    // Load the save state.
-    LoadState(GetSaveStateFilename(static_cast<u32>(save_state_index)));
-  }
-
-  // Resume execution.
-  m_running = true;
-  return true;
-}
-
 void SDLInterface::ReportMessage(const char* message)
 {
   AddOSDMessage(message, 3.0f);
@@ -314,6 +292,7 @@ void SDLInterface::RenderDisplay()
   glViewport(0, 0, m_window_width, m_window_height);
   glDisable(GL_CULL_FACE);
   glDisable(GL_DEPTH_TEST);
+  glDisable(GL_SCISSOR_TEST);
   glDepthMask(GL_FALSE);
   m_display_program.Bind();
   m_display_texture->Bind();
diff --git a/src/pse-sdl/sdl_interface.h b/src/pse-sdl/sdl_interface.h
index f3d245b9e..d310e5a0e 100644
--- a/src/pse-sdl/sdl_interface.h
+++ b/src/pse-sdl/sdl_interface.h
@@ -28,8 +28,6 @@ public:
   // Adds OSD messages, duration is in seconds.
   void AddOSDMessage(const char* message, float duration = 2.0f) override;
 
-  bool InitializeSystem(const char* filename, s32 save_state_index /* = -1 */);
-
   void Run();
 
 private:
diff --git a/src/pse/host_interface.cpp b/src/pse/host_interface.cpp
index 9b1dba6a5..8fd92257a 100644
--- a/src/pse/host_interface.cpp
+++ b/src/pse/host_interface.cpp
@@ -1,11 +1,46 @@
 #include "host_interface.h"
 #include "YBaseLib/ByteStream.h"
+#include "YBaseLib/Log.h"
 #include "system.h"
+Log_SetChannel(HostInterface);
 
 HostInterface::HostInterface() = default;
 
 HostInterface::~HostInterface() = default;
 
+bool HostInterface::InitializeSystem(const char* filename, const char* save_state_filename)
+{
+  m_system = std::make_unique<System>(this);
+  if (!m_system->Initialize())
+  {
+    m_system.reset();
+    return false;
+  }
+
+  m_system->Reset();
+
+  if (filename)
+  {
+    const StaticString filename_str(filename);
+    if (filename_str.EndsWith(".psxexe", false) || filename_str.EndsWith(".exe", false))
+    {
+      Log_InfoPrintf("Sideloading EXE file %s", filename);
+      if (!m_system->LoadEXE(filename))
+      {
+        Log_ErrorPrintf("Failed to load EXE file %s", filename);
+        return false;
+      }
+    }
+  }
+
+  if (save_state_filename)
+    LoadState(save_state_filename);
+
+  // Resume execution.
+  m_running = true;
+  return true;
+}
+
 bool HostInterface::LoadState(const char* filename)
 {
   ByteStream* stream;
diff --git a/src/pse/host_interface.h b/src/pse/host_interface.h
index 0228ee4b6..28c78fa9d 100644
--- a/src/pse/host_interface.h
+++ b/src/pse/host_interface.h
@@ -14,6 +14,8 @@ public:
   HostInterface();
   virtual ~HostInterface();
 
+  bool InitializeSystem(const char* filename, const char* save_state_filename);
+
   virtual void SetDisplayTexture(GL::Texture* texture, u32 offset_x, u32 offset_y, u32 width, u32 height) = 0;
   virtual void ReportMessage(const char* message) = 0;