architecture ALG_MOD2 of JKFF is
begin
  process(CLK,S,R)
    variable QTEMP : BIT;
  begin
    if S = '1' and R = '0' then
      QTEMP := '1'; 
      Q <= QTEMP after SRDEL;
      QN <= not QTEMP after SRDEL;
    elsif S = '0' and R = '1' then
      QTEMP := '0';
      Q  <= QTEMP after SRDEL;
      QN <= not QTEMP after SRDEL;
    elsif CLK'EVENT and CLK = '1' and S='0' and R='0' then
      if J = '1' and K = '0' then
        QTEMP := '1';
        Q <= QTEMP after CLKDEL;
        QN <= not QTEMP after CLKDEL;
      elsif J = '0' and K ='1'  then
        QTEMP := '0'; 
        Q <= QTEMP after CLKDEL;
        QN <= not QTEMP after CLKDEL;
      elsif J= '1' and K= '1'  then
        QTEMP := QTEMP; 
        Q <= QTEMP after CLKDEL;
        QN <= not QTEMP after CLKDEL;
      end if;
    end if;
  end process;
end ALG_MOD2;