Update TODO with usage instructions

README.md

@@ -9,17 +9,20 @@ Usage
 virtualcoke.py
 
 Via the network:
-	FIXME
+	When run, virtualcoke attempt to bind to port 502 (Modbus standard port)
+	If this fails, it will bind to port 1502
+	To bind to the lower port, you may need to be a privileged user
 
 Via the console:
-	Keypad numbers (0-6) mimic front buttons of coke machine
-	FIXME
-
+	Keypad numbers (0-6) mimic front buttons of the coke machine
+	Keypad numbers (7-9, M) mimic the interior buttons of the coke machine
+	^Q exits the simulator cleanly
 
 Requirements
 -------------
 
-* npyscreen 4.6.1 or later
+* npyscreen 4.8.5 or later
+* Twisted
 
 Known Issues
 -------------

TODO

@@ -7,6 +7,6 @@ DONE Hidden other buttons
 DONE Hook up modbus
 DONE Test against dispense
 DONE Modbus alternative port
+DONE Write up documentation
 
      Coin Return Button
-     Write up documentation