Just to let you know, I found the way to access different Midi ports. If you run Jack as i do, you can make connection to Midi Ports using the Jacko opcodes. This works quite well.
A few examples and more information are added to the Jacko manual pages:
https://csound.com/manual/JackoMidiOutConnect.html
https://csound.com/manual/JackoMidiOut.html
https://csound.com/manual/JackoNoteOut.html
This is encouraging, and i will check out the rest of the Jacko opcodes for Midi in etc.
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