ENTITY al_unit IS PORT( ac : IN std_logic ; alu_cmd : IN std_logic_vector( 3 DOWNTO 0 ) ; bit_loc : IN std_logic_vector( 2 DOWNTO 0 ) ; cpu_rst : IN std_logic ; cy : IN std_logic ; data_alu : IN std_logic_vector( 2 DOWNTO 0 ) ; int_clk : IN std_logic ; ov : IN std_logic ; set_ac_ov : IN std_logic ; set_cy : IN std_logic ; tmp1 : IN std_logic_vector( 7 DOWNTO 0 ) ; tmp1_done : IN std_logic ; tmp2 : IN std_logic_vector( 7 DOWNTO 0 ) ; use_acc_0 : IN std_logic ; use_cy : IN std_logic ; ac_out : OUT std_logic ; alu_result : OUT std_logic_vector( 7 DOWNTO 0 ) ; cmp_true : OUT std_logic ; cy_out : OUT std_logic ; ov_out : OUT std_logic ); -- Declarations END al_unit ;