> Er, they are "memory addresses" (mapped).  What do you think COM and LPT p
> are?  Hardware ports!
How do you talk to your COM and LPT ports, though?  On the 80x86 
architecture, at least, I've always used inp and outp type commands (talking 
to the 'ports'), since as far as I know they have no memory address that can 
be peeked at or used as a pointer.
 - steve
   Team OS/2
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