Machine architectures are very much copyrightable right? That's why Intel license x86 to AMD. Thing is, for chip manufactures it makes no sense not to allow ot

Machine architectures are very much copyrightable right? That's why Intel license x86 to AMD. Thing is, for chip manufactures it makes no sense not to allow others to call this x86 API. Things could get dicier for other who try and virtualize a machine instruction set.