Reset Movie when resetting emulator

src/backend/core/mmio/PIF.cpp

@@ -10,6 +10,7 @@
 
 namespace n64 {
 void PIF::Reset() {
+  movie.Reset();
   joybusDevices = {};
   bootrom = {};
   ram = {};

src/backend/core/mmio/PIF/MupenMovie.cpp

@@ -71,6 +71,12 @@ MupenMovie::MupenMovie(const fs::path &path) {
   }
 }
 
+void MupenMovie::Reset() {
+  if(!IsLoaded()) return;
+
+  loadedTasMovieIndex = sizeof(TASMovieHeader) - 4; // skip header
+}
+
 FORCE_INLINE void LogController(const n64::Controller& controller) {
   Util::debug("c_right: {}", controller.cRight);
   Util::debug("c_left: {}", controller.cLeft);

src/backend/core/mmio/PIF/MupenMovie.hpp

@@ -49,6 +49,7 @@ struct MupenMovie {
   MupenMovie() = default;
   MupenMovie(const fs::path&);
   bool Load(const fs::path&);
+  void Reset();
   n64::Controller NextInputs();
   bool IsLoaded() const { return !loadedTasMovie.empty(); }
 private: