As an example, what about a divide instruction. A machine without an FPU can emulate a machine that has one. It will legitimately have to run hundreds/thousands of instructions to emulate a single divide instruction, it will certainly take longer.
Thats OK, just means the emulation is slower doing that than something like add that the host has a native instruction for. In ‘emulator time’ you still only ran one instruction. That world is still consistent.
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They don’t have to match.
As an example, what about a divide instruction. A machine without an FPU can emulate a machine that has one. It will legitimately have to run hundreds/thousands of instructions to emulate a single divide instruction, it will certainly take longer.
Thats OK, just means the emulation is slower doing that than something like add that the host has a native instruction for. In ‘emulator time’ you still only ran one instruction. That world is still consistent.