Well, there's one little problem of games changing the CPU clock rate, but I think we can probably ignore that as the ones that use 333mhz all seem to set it at startup and then not change it (but I'm not 100% about that).

And it needs to be done to all the time functions that call time() or similar. So it's up to you if you want to do it in this pull request or a later one, I could merge this as is for now.