hm2_b_strucver    521 src/simh/sim_disk.c     uint8  hm2_b_strucver;
hm2_b_strucver    690 src/simh/sim_disk.c     (Home.hm2_b_strucver  == 0)  ||
hm2_b_strucver    730 src/simh/sim_disk.c     (Scb.scb_b_strucver != Home.hm2_b_strucver) ||