SIM_BKPT_V_SPC   8768 src/simh/scp.c uint32 spc = (btyp >> SIM_BKPT_V_SPC) & (SIM_BKPT_N_SPC - 1);
SIM_BKPT_V_SPC    193 src/simh/sim_defs.h # define SIM_BKPT_N_SPC  (1 << (32 - SIM_BKPT_V_SPC))    /* max number spaces */