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) ||