One good thing about ROM-DOS is it includes the TCP/IP stack and they have the API and Tools in developing with it, hence it's good to have the SDK, as it includes all the necessary documentations : if one is planning to do an embedded systems programming with networking capability (but some say the …

You can also use QEMU or VirtualBox for this. The latter is easier to setup with networking for DOS in my experience . I'm also wondering, does any of you still have a copy of its SDK or SDKT (as they call it)?