I would like to add filter control (res and cutoff) to control surface A-
Does this require any changes to the MIOS?
I have a completed CORE, SID, DIN, Bank Stick and working 2 x 16 LCD.
I know nothing about programming… 
Moin!
Just read this topic http://www.midibox.org/forum/index.php?topic=7233.0
It’s a How-To for adding a Filter-section to a single SID
mfg Christian