URL
https://opencores.org/ocsvn/idea/idea/trunk
Subversion Repositories idea
[/] [idea/] [trunk/] [behavioral/] [main control/] [ofb_bop.vbe] - Rev 11
Go to most recent revision | Compare with Previous | Blame | View Log
-- VHDL data flow description generated from `ofb_bop`
-- date : Sat Sep 1 20:21:02 2001
-- Entity Declaration
ENTITY ofb_bop IS
PORT (
active : in BIT; -- active
clk : in BIT; -- clk
key_ready : in BIT; -- key_ready
dt_ready : in BIT; -- dt_ready
finish : in BIT; -- finish
first_dt : inout BIT; -- first_dt
e_mesin : out BIT; -- e_mesin
s_mesin : out BIT; -- s_mesin
emp_buf : out BIT; -- emp_buf
cp_ready : out BIT; -- cp_ready
cke_b_mode : out BIT; -- cke_b_mode
en_in : out BIT; -- en_in
en_iv : out BIT; -- en_iv
en_rcbc : out BIT; -- en_rcbc
en_out : out BIT; -- en_out
sel1 : out bit_vector(1 DOWNTO 0) ; -- sel1
sel2 : out bit_vector(1 DOWNTO 0) ; -- sel2
sel3 : out bit_vector(1 DOWNTO 0) ; -- sel3
vdd : in BIT; -- vdd
vss : in BIT -- vss
);
END ofb_bop;
-- Architecture Declaration
ARCHITECTURE behaviour_data_flow OF ofb_bop IS
SIGNAL current_state : REG_VECTOR(3 DOWNTO 0) REGISTER; -- current_state
SIGNAL aux72 : BIT; -- aux72
SIGNAL aux70 : BIT; -- aux70
SIGNAL aux66 : BIT; -- aux66
SIGNAL aux64 : BIT; -- aux64
SIGNAL aux59 : BIT; -- aux59
SIGNAL aux57 : BIT; -- aux57
SIGNAL aux56 : BIT; -- aux56
SIGNAL aux53 : BIT; -- aux53
SIGNAL auxinit1 : BIT; -- auxinit1
BEGIN
auxinit1 <= (not (active) and not (current_state (2)) and not (current_state
(1)) and (current_state (3) or (current_state (0) and not (aux64))
or aux72));
aux53 <= (not (active) and current_state (0));
aux56 <= (not (current_state (0)) and not (active) and not (current_state
(3)) and not (current_state (2)) and not (first_dt) and key_ready
and dt_ready);
aux57 <= ((not (current_state (1)) or (not (active) and current_state
(3)) or (current_state (2) and aux53)) and (current_state (1)
or (current_state (3) and aux53) or aux56));
aux59 <= ((not (current_state (2)) and current_state (1) and not (current_state
(3)) and aux53) or (not (current_state (1)) and aux56));
aux64 <= (not (dt_ready) or not (finish));
aux66 <= (current_state (1) and not (current_state (2)) and not (current_state
(0)) and not (active));
aux70 <= (current_state (3) or current_state (0));
aux72 <= (not (current_state (0)) and key_ready and dt_ready and first_dt);
label0 : BLOCK ((not (clk) and not (clk'STABLE)) = '1')
BEGIN
current_state (0) <= GUARDED ((not (active) and current_state (3)) or (not (current_state
(1)) and not (active) and current_state (2)) or aux66 or (not
(current_state (1)) and aux53 and aux64));
END BLOCK label0;
label1 : BLOCK ((not (clk) and not (clk'STABLE)) = '1')
BEGIN
current_state (1) <= GUARDED ((not (current_state (2)) and not (current_state (0)) and current_state
(1)) or not ((not (active) and not ((current_state (3) and current_state
(0))))) or (current_state (2) and current_state (1) and aux70)
or (not (current_state (3)) and not (current_state (2)) and
aux72));
END BLOCK label1;
label2 : BLOCK ((not (clk) and not (clk'STABLE)) = '1')
BEGIN
current_state (2) <= GUARDED (active or (not (current_state (2)) and current_state (3)) or
(current_state (1) and current_state (0)) or (current_state
(3) and current_state (0)) or (not (current_state (1)) and not
(current_state (0)) and current_state (2)) or (not (current_state
(1)) and not (current_state (0)) and not (first_dt) and key_ready
and dt_ready));
END BLOCK label2;
label3 : BLOCK ((not (clk) and not (clk'STABLE)) = '1')
BEGIN
current_state (3) <= GUARDED (not (active) and (not (current_state (2)) or current_state (1))
and aux70 and (current_state (3) or current_state (1) or not
(aux64)));
END BLOCK label3;
sel3 (0) <= aux57;
sel3 (1) <= not (aux57);
sel2 (0) <= aux59;
sel2 (1) <= not (aux59);
sel1 (0) <= (not (current_state (2)) and not (current_state (0)) and not
(active) and (current_state (1) or (not (current_state (3))
and key_ready and dt_ready and first_dt)));
sel1 (1) <= (active or current_state (2) or (current_state (1) and current_state
(0)) or (not (current_state (3)) and ((current_state (0) and
aux64) or (not (current_state (1)) and not (current_state (0))
and not ((key_ready and dt_ready and first_dt))))));
en_out <= (current_state (2) and current_state (1) and not (current_state
(3)) and aux53);
en_rcbc <= '0';
en_iv <= ((not (current_state (2)) and not (current_state (1)) and not
(active) and current_state (3)) or aux66);
en_in <= auxinit1;
cke_b_mode <= not (active);
cp_ready <= (current_state (3) and current_state (1) and not (current_state
(0)) and not (active));
emp_buf <= auxinit1;
s_mesin <= (not (current_state (1)) and ((current_state (2) and not (active)
and not ((current_state (3) and current_state (0)))) or (not
(current_state (2)) and aux53 and aux64)));
e_mesin <= '1';
first_dt <= not ((not (active) and (aux70 or (current_state (2) xor current_state
(1)))));
END;
Go to most recent revision | Compare with Previous | Blame | View Log