PPB_NIBBLE
if ((error = ppb_1284_negociate(ppbus, PPB_NIBBLE, 0))) {
if ((error = ppb_1284_read(ppbus, PPB_NIBBLE,
case PPB_NIBBLE:
case PPB_NIBBLE:
case PPB_NIBBLE:
if ((error = ppb_1284_negociate(bus, PPB_NIBBLE, PPB_REQUEST_ID)))
error = spp_1284_read(bus, PPB_NIBBLE, buffer, max, read);
case PPB_NIBBLE:
case PPB_NIBBLE:
case PPB_NIBBLE:
if ((error = ppb_1284_read_id(bus, PPB_NIBBLE, str,
error = ppb_1284_negociate(bus, PPB_NIBBLE, PPB_REQUEST_ID);
if (!(error = ppb_1284_negociate(bus, PPB_NIBBLE, 0))) {
if (!(error = ppb_1284_negociate(bus, PPB_NIBBLE,
#define PPB_SPP PPB_NIBBLE|PPB_PS2
#define PPB_IN_NIBBLE_MODE(bus) (ppb_get_mode (bus) & PPB_NIBBLE)
ppi->ppi_mode = PPB_NIBBLE, 0))) {
ppc->ppc_dtm |= PPB_NIBBLE;
ppc->ppc_avm |= PPB_NIBBLE;