DFF with WAIT statement

Note: There is no sensitivity list

LIBRARY ieee;

USE ieee.std_logic_1164.all;

ENTITY wait_dff IS

PORT ( d, clk : in std_logic;

q : out std_logic

);

END wait_dff;

ARCHITECTURE behavior OF wait_dff IS

BEGIN

PROCESS

BEGIN

wait until clk = '1';

q <= d;

END PROCESS;

END behavior;