www.makemkv.com

I was just curious, how you would modify firmware or create a new one for an existing drive.

There is a product page for the MT1959: https://www.mediatek.com/products/optical-disc-drive/mt1959 But aside from that, there seems to be absolutely nothing on the internet about this chip. It's probably not a big surprise they don't want the datasheet to be freely downloadable for everyone, but gi...