> You mean like AROS?

AROS doesn't use bytecode approach.

> AFAIK, MOS uses HIDD's too right? Wouldn't it make sense to open source that part, and not
> just be ported to ARM and x86, but also potentially get more drivers through others? Or have
> I misunderstood everything again? :)

Open sourcing anything shouldn't be required to write drivers. A good programming interface description should do.