Software overview provides a broad description of how the software works. If you want to read or edit the software, this would be a good starting point to understanding the program flow.
Configuring before compiling is a guide to the changes you should make before compiling the code.
Compiling the project. How to turn source code into an executable program.
Downloading updates to your board. How to load your program into the MBMixer
Configuring the mixer. A guide to changes you should make after the program is loaded and running.
Saving and loading patches. A quick guide.
Current Firmware: Source