Remove incorrect labels
Note lines used for ST-412 interface
Found routine that waits for spin up
Add TODOs for e_0289h
Add port bit descriptions
Rename routines called from entry points
Add TODOs for e_77
Ranem l0486h to out_pio2_dra
Use binary for pio2_dra values
Rename l055fh to out_pio2_dra1
Add notes for host interface entry points