Hi ancc,
I'm working on the same target.
For your ask, i think you cannot overshoot 127 probably because the number of byte (2e7).
It's just a possibility, i'm beginner.
my scketch
I try just to push the cursor in the middle of the screen. Your modifications with absolute coordinates seem me OK !
But it does not work.....
Have you just changed the only last line in HID.cpp (Rel --> Abs)?
Thanks for you answer