cs80buscf_punit
if (cf->cs80buscf_punit != CS80BUSCF_PUNIT_DEFAULT &&
cf->cs80buscf_punit < CS80BUS_NPUNITS)
ca->ca_punit = cf->cs80buscf_punit;
if (cf->cs80buscf_punit != CS80BUSCF_PUNIT_DEFAULT &&
cf->cs80buscf_punit != ca->ca_punit)