PP_GETB
retval = PP_GETB(pp->uh.ebus.c_handle, &pp->uh.ebus.c_reg->data);
#define DSR_READ(pp) PP_GETB((pp)->i_handle, &(pp)->i_reg->dsr)
#define DCR_READ(pp) PP_GETB((pp)->i_handle, &(pp)->i_reg->dcr)
(pp->noecpregs) ? 0xff : PP_GETB((pp)->f_handle, &(pp)->f_reg->ecr)
#define DATAR_READ(pp) PP_GETB((pp)->i_handle, &(pp)->i_reg->ir.datar)
(pp->noecpregs) ? 0xff : PP_GETB((pp)->f_handle, &(pp)->f_reg->fr.dfifo)
(pp->noecpregs) ? 0xff : PP_GETB((pp)->f_handle, &(pp)->f_reg->fr.tfifo)