ENTITY ram_sense_decad12 IS
PORT (
  ad1  	   : in  BIT;
  ad2  	   : in  BIT;
  ndec00   : out  BIT;
  ndec01   : out  BIT;
  ndec10   : out  BIT;
  ndec11   : out  BIT;
  vdd  	   : in  BIT;
  vss	   : in  BIT
);
END ram_sense_decad12;

ARCHITECTURE VBE OF ram_sense_decad12 IS

BEGIN
  ASSERT (vdd and not (vss))
  REPORT "power supply is missing on ram_sense_decad12"
  SEVERITY WARNING;

END;