static libspectrum_byte didaktik_sr_read( libspectrum_word port GCC_UNUSED, libspectrum_byte *attached ) { *attached = 0xff; return wd_fdc_sr_read( didaktik_fdc ); }
static libspectrum_byte plusd_sr_read( libspectrum_word port GCC_UNUSED, libspectrum_byte *attached ) { *attached = 0xff; return wd_fdc_sr_read( plusd_fdc ); }