VR/LOAD  RD+RD', RP, d_size, p_p_inc_dec-3, relative-1, R2
         RD+RD', RP, d_size, p_p_inc_dec-3, relative-1, p_immediate

VR/STORE RP, R1+R1', d_size, p_p_inc_dec-3, write_through-1, R2
         RP, R1+R1', d_size, p_p_inc_dec-3, write_through-1, p_immediate
