VIA_PARPORT_BIDIR
ppcontrol = VIA_PARPORT_BIDIR;
ppcontrol = VIA_PARPORT_BIDIR;
ppcontrol = VIA_PARPORT_BIDIR;
ppcontrol = VIA_PARPORT_BIDIR|VIA_PARPORT_ECPEPP;
tmp2 &= ~(VIA_PARPORT_BIDIR|VIA_PARPORT_ECPEPP);