HS_USECS
qh->c_usecs = qh->usecs + HS_USECS(0);
qh->usecs = HS_USECS(1);
qh->usecs += HS_USECS(1);
qh->c_usecs = HS_USECS(0);
qh->ps.c_usecs = qh->ps.usecs + HS_USECS(0);
qh->ps.usecs = HS_USECS(1);
qh->ps.usecs += HS_USECS(1);
qh->ps.c_usecs = HS_USECS(0);
qh->c_usecs = qh->usecs + HS_USECS(0);
qh->usecs = HS_USECS(1);
qh->usecs += HS_USECS(1);
qh->c_usecs = HS_USECS(0);