Stage 1 (before 0.1.0):

* write documentation for programmers (driver side)
* write documentation for users

Stage 2:

* MIDI UART control (raw MIDI)
* timer interface
* sequenced MIDI

Stage 3:

* synthesizer interface
* sequenced synthesizer interface

Stage 4:

* MIDI emulation for onboard synthesizer

General:

* setup CVS
* code for OPL3-SA3 chip (I don't have documentation :-(((()
