Ppc g4 emulator
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Then, emulate the rest of the hardware on a given PPC Mac using some "glue" software. Instead, one could use a real PPC processor on an add-in card, maybe even with its own system RAM to increase speed. This is why I think the best way to get PPC support on regular commodity PCs is by not emulating the CPU at all. This is a hard way to work, from what programmers trying to produce PPC emulations tell me. In any event, while a usable G3 emulation is very possible, a usable G4 emulation will be impossible for many years thanks to the nice 128-bit Altivec unit. To even have a chance at being useful, you'd have to go the route of using a JIT compiler to dynamically translate PPC ops to x86 ops, and even then you're obviously paying a big speed penalty. You *can't* just map PPC registers to x86 registers like you can when emulating many lesser CPUs-*way* too many on the PPC, embarrassingly too few on x86.
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There are many reasons why PPC emulation on x86 is difficult, and why the resulting emulators have probably always been too embarrassingly slow for their creators to make and release a finished emulator.
Ppc g4 emulator full#
There's no PPC emulation going on, really, with apps like SheepShaver the PPC chip itself is used, not a full emulation ofn the chip. First of all, the "emulators" you speak of for PPC machines aren't really emulators at all, they use the PPC processor natively, just allowing a MacOS that could run on that machine anyway, to run simultaneously under BeOS or Linux.