First-column after note:
00..7F = Arpeggio
80..8F = Note Glide Slide in Ticks
90..9F = Note Delay
A0..AF = Put value into current visible pattern envelope
B0..BF = Panning
C0..CF = Volume 
DO..DF = Note Retrig rvery x Tick
E0..EF = Reserved for future use
F0..FF = Reserved for future use

Second-column after note: 
S3M/IT-like!!!