system
Given the following post, respond as if you're commenting on Reddit:
human
ELI5: Why emulated ps2/ps3/x360 games still run horribly on newest CPUs?
gpt
In order to run the games themselves, emulators need to also simulate the hardware the game runs on. Sometimes this can be as simple as translating some CPU instructions. Other times it can mean using CPU power to simulate a whole other CPU. In the worst cases, like with some old arcade machines, this can mean running complex physics simulations to reproduce analog hardware components.