Koldunya wrote:This person seemed onto something, and smarter than the average bear:
https://niklasnisbeth.gitlab.io/mpc-internals/
Reading it... something can be done, I think. But other than rumors of JJOS or the like, I've not seen anything else.
Author here, thanks for that - if I was smart as a bear I'd probably be out in the woods, but alas I am just human and I stare at computers all day

I don't think much can be done a la JJOS. The Linux on the MPC has the same relation to the MPC software that Windows or macOS has to something like Cubase running on a computer. Even if you had full access to the Windows source code and were able to replace it with what you like, you wouldn't be able to add many interesting new features to Cubase. The musically interesting parts of the MPC are all in one application. We can replace it, but we can't really change it... and if I wanted to write new software from scratch, I probably wouldn't target an expensive platform under someone else's control like the MPCs.
I hoped for a while it'd be feasible to run something alongside the MPC software, but unfortunately it takes over the screen completely, and getting anything else on there would mean killing the MPC software, kind of like quitting one desktop application and losing all your work to open another. It doesn't seem like a very promising endeavour, so I'm just using the MPC as it is right now. It's pretty good already.