NOT_READY
#define NOT_READY() (MFP->mf_gpip & IO_PBSY)
#define NOT_READY() ((bus_space_read_1(iot, ioh, lpt_status) ^ LPS_INVERT) & LPS_MASK)
#define NOT_READY(ppbus) ((ppbus_rstr(ppbus)^LPS_INVERT)&LPS_MASK)