My favorite embedded device story is the school district that has to manage all their HVAC settings with an Apple ][ because that’s the only computer that will run the proprietary software but they’re running out of parts.
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might be that nobody's got an emulator that supports exposing, say, a physical parallel port to the VM, and it'd cost more to commission the relevant change to the emulator than to just overhaul the machine
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If timing is critical, I agree, but if it's just non-realtime controls via parallel-port-gpio or whatnot it should be trivial to patch an emulator to hook it up to a real gpio.
End of conversation
New conversation -
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There are so many hours of engineering work hidden in "just virtualizing," you have no idea. Some of these things depend on extremely hardware specific timings.
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