I'm not an expert but AFAIK it makes sense: he's using an AVR and that's Harvard architecture, meaning code and data use different buses so all you can run must

I'm not an expert but AFAIK it makes sense: he's using an AVR and that's Harvard architecture, meaning code and data use different buses so all you can run must be in the flash of the microprocessor. So emulation is a way to workaround that "limitation". Edit: on mobile, typos