These days, I've been playing Star Ocean 2: The Second Story, I completed the first disc, and it says there "This is the last part of disc 1 bla bla bla, would you like to save your game?" I chose yes. After saving, a black screen was showed and like nothing's happening. I closed my emulator and ran it again, this time, I chose disc 2 instead of disc 1 (it came to my mind that there might be a "load game" so that I could continue playing) but it showed there "Please insert Disc 2." Please help me I do not know what to do.