Positions:

 0123456789
A 
B
C
D
E
F
G
H

(positions are denoted by row and column, e.g. D4)

Directions:

NW  N  NE
W   x   E
SW  S  SE

Rotations:

L, R (or CW, CCW)

Messages:

M[OVE] position direction
R[OTATE] position rotation

Example:

M F5 NW