Remember, most of Roger's snare hits are done with a partially open high hat on the down snare beats closing in time for the next high hat hit!
o=126
> > > > >
HH x x x x x x x x x x x x x x x x
SD 4 o o
Bd 4 o o o
> > > > c c
HH x x x x x x x x x x x x x x x x
SD o o
BD o o
This again very basic. This is a basic alternating sixteenth note groove
with two open high hats on the last two beats.