SERR_FF <= ((PCI_PAR_IN xor PAR) and SERR_CHECK) and PA_ER_RE and SERR_ENA and (not SERR_FF);
PERR_FF <= ((PCI_PAR_IN xor PAR) and PERR_CHECK) and (not PERR_FF);
end if;
SERR_FF <= ((PCI_PAR_IN xor PAR) and SERR_CHECK) and PA_ER_RE and SERR_ENA and (not SERR_FF);
PERR_FF <= ((PCI_PAR_IN xor PAR) and PERR_CHECK) and (not PERR_FF);
end if;