It perfectly emulates the CPU, but it’s not the same as touching the actual hardware. For better or worse.
13 points
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We can’t even say it perfectly emulates the CPU. It may pass all tests we know about, but even 1980s CPUs were complicated enough to have odd niche behavior.
It’s some great hardware, but I think a lot of people have been hoodwinked into thinking FPGA = perfect. Often some of the same people who turn their nose up at software emulation for equally bad reasons.
