fm2_r_map_bits1   598 src/simh/sim_disk.c             } fm2_r_map_bits1;
fm2_r_map_bits1   714 src/simh/sim_disk.c         ScbLbn = (Retr->fm2_r_map_bits1.fm2_v_highlbn1<<16)+Retr->fm2_r_map_bits1.fm2_w_lowlbn1;