Rosetta is not a Magic Cure-All, or the Death of Classic
One of the more overlooked aspects of the transition from PowerPC to Intel x86 CPUs is the effect it will have on the software you can run. I’ll be discussing this move and my take on it in a later article, but I think a subset of the transition strategy needs highlighting first. You Won’t Feel a Thing Steve made the transition sound utterly painless. According to him, developers will have to do little more than recompile their cocoa software. But what about existing software? Rosetta is the answer proclaimed Steve. Processor emulation will make it all better. Now, for the time being, I’m willing to ignore the inevitable confirmed speed cost, but what about compatibility and functionality? The keynote seems to make it seem like all your old software will just work. Well, I wasn’t buying that, My suspicion was rewarded when I read Apple’s document on Universal Binaries. ...