MSK

Format: MSK dest1, dest2, source1, source2.

Phase0: MSK FT0, FT1, S0, S1

Phase1:

Phase2: -

Description: Make mask

S0 - Width of mask in bits (6 bits)

S1 - Bit Position of mask LSB (6 bits)

FT0 = (S0+S1)-1 # Result with 6 bits

FT1 = ((1 << S0) - 1) << S1