"Dave Hylands" <dhylands@[...].com>  wrote:
>  Göran wrote:
>  > > Presumably, to access hardware devices, I'll have to add 
>  > > new primitives to the language (I've seen a document 
>  > > somewhere which describes this).
>  > 
>  > That would be plugins I think. Primitives can of course be added too,
>  > but plugins are better. I think they have been called "named 
>  > primitives" too. Not really my area but there are plenty of plugins 
>  > around to study. Search the swiki and the mailinglist.
>  
>  In other programs plugins refer to some type of loadable module, typically
>  wrapped up in a DLL. Is this similar? Anyways, most embedded systems (that

Yes.

>  I've worked) on don't have a file system, so loading anything from disk is
>  out.

I understand the problem. Thank god then that they can all be inlined
into the VM! :-)
You select if you want them to be internal or external when you build
your VM.

There are probably documentation on the Swiki, read about building a VM,
VMMaker (which is a tool by Tim Rowledge for this) etc.

regards, Göran