| 1. | Microcode is the software inside a microprocessor that controls its functions.
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| 2. | "They're not copying future microcode ."
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| 3. | Microcode programs control some central processing units and some other hardware.
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| 4. | The early Lisp machines used microcode to provide the instruction set.
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| 5. | Several Intel CPUs in the x86 architecture family have writable microcode.
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| 6. | This was used to load microcode, and for diagnostic purposes.
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| 7. | AMD had used Intel microcode in the 386 and 486.
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| 8. | A few computers were built using " writable microcode ".
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| 9. | RISC instructions are sometimes similar to the narrow vertical microcode.
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| 10. | In particular, many microprocessors have mask ROM to store their microcode.
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