LOADPTR   RD, RP, addr_type, d_size, p_p_inc_dec-3, relative-1, R2
          RD, RP, addr_type, d_size, p_p_inc_dec-3, relative-1, p_immediate

STOREPTR  RP, R1, addr_type, d_size, p_p_inc_dec-3, write_through-1, R2
          RP, R1, addr_type, d_size, p_p_inc_dec-3, write_through-1, p_immediate