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--Nama file : zero1x.vbe
--Deskripsi : nol1 bit
--Author    : Mas Adit
--Tanggal  : 29 Agustus 2001

entity zero1x is
port (
        a : out bit;
        vdd : in bit;
        vss : in bit
);
end zero1x;

architecture vbe of zero1x is

begin

a <= '0';

assert ((vdd = '1') and (vss = '0'))
report "power supply is missing on zero1x"
severity warning;

end vbe;