fm2_w_lowlbn1     597 src/simh/sim_disk.c             unsigned fm2_w_lowlbn1  : 16;     /* low order LBN                    */
fm2_w_lowlbn1     714 src/simh/sim_disk.c         ScbLbn = (Retr->fm2_r_map_bits1.fm2_v_highlbn1<<16)+Retr->fm2_r_map_bits1.fm2_w_lowlbn1;