[BBC-Micro] net monitor - help pls!

[Jonathan Graham Harston]

> Message-ID: <795D84FD5AA8471087A8FC2B46525782 at riedquat>
 
"Mark Usher" wrote:
> > I think it's an immediate operation iff the port number is zero.
> 
> Port number 0 and 255 are used to indicate that reception may occur
> regardless of the port number on the incoming packet.
 
Transmission on port 0 indicates an immediate operation, with the
operation code contained in the control byte.
 
-- 
J.G.Harston - jgh at arcade.demon.co.uk - mdfs.net/User/JGH
BBC BASIC for 30+ platforms - http://mdfs.net/Software/BBCBasic