Many old games were made for different processors than we run them on today. This stuff can only be run using some kind of processor emulation which is going to be very slow. So what about that old Mac OS? I have no idea but I guess it is from the Motorola processor or PowerPC processor times. They require recompiling from their source code into what ever instruction set the target machine uses. However you cannot move the binaries around and expect them to run. Such is the marvel of Open Source and Free Software. Debian on the Pi looks just like Debian on my PC. They were faster than any PC at the time.Įxcept: In the modern world we also have operating systems made from Linux, like Debian, where the same OS and applications can be run on Intel, or ARM, or many other processor type. Back in the day we had a lot more choice in processors.ĪRM machines were created in England by the ACORN company to provide the processor for their next computers replacing the old 8 bit stuff. Even MS now has Windows for Intel and ARM but you cannot just move applications from one to another, the instructions the processors understand are very different. Software made for ARM will not run on Intel and vice versa. Windows and its applications made for Intel will run on AMD machines.ĪRM is what you probably have in your mobile phone, or tablet. However similar architecture processors are made by AMD.

Intel is what you probably have in your Windows PC or laptop and is used by Apple for their desktops and laptops. In this modern world there are two main processor types for consumer gadgets, Intel and ARM. The result would be so slow, Its just not practical. It means that an 68020 (or x86 for that matter) emulator needs dozens of instruction to emulate the 68020/x86 instructions, so even with the same clock speed it would take many times longer, plus there is extra complexity to emulate all the other stuff of a Mac Personal Computer. The ARM (advanced RISC Machine) CPU is already a RISC (reduced instruction set) processor.īecause 68020 has so many complex instructions its difficult and time consuming to emulate them (thats why intel with its x86 needs so many transistors to do it internally, and that is why it runs so hot). Emulating an 68020 processor is difficult because its a complex instruction microprocessor (well all modern CPU's internally now work like a RISC processor, they just use heaps of logic to turn CISC into RISC internally). The PI runs on an ARM processor, not on an 68020 processor. Thats impossible, just as impossible as installing windows 98 (same time frame as OS-7) and expecting it to run fine!

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