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REG5.vhd
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REG5.vhd
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-- REG1
library ieee;
use ieee.std_logic_1164.all;
use ieee.numeric_std.all;
entity REG5 is
port
(
clk : in std_logic;
cl : in std_logic;
i : in std_logic_vector(4 downto 0);
ld : in std_logic;
cin : in std_logic;
inc : in std_logic;
ein : in std_logic;
dec : in std_logic;
ir : in std_logic;
shr : in std_logic;
il : in std_logic;
shl : in std_logic;
cout : out std_logic;
eout : out std_logic;
q : out std_logic_vector(4 downto 0)
);
end entity;
architecture reg5 of REG5 is
signal state : std_logic_vector(4 downto 0) := ('0', '0', '0', '0', '0');
signal coutVector : std_logic_vector(3 downto 0) := ('0', '0', '0', '0');
signal eoutVector : std_logic_vector(3 downto 0) := ('0', '0', '0', '0');
begin
q <= state;
reg10 : entity work.reg1 port map(
--input signals
clk => clk,
cl => cl,
i => i(0),
ld => ld,
cin => cin,
inc => inc,
ein => ein,
dec => dec,
ir => state(1),
shr => shr,
il => il,
shl => shl,
--output signals
cout => coutVector(0),
eout => eoutVector(0),
q => state(0)
);
reg11 : entity work.reg1 port map(
--input signals
clk => clk,
cl => cl,
i => i(1),
ld => ld,
cin => coutVector(0),
inc => inc,
ein => eoutVector(0),
dec => dec,
ir => state(2),
shr => shr,
il => state(0),
shl => shl,
--output signals
cout => coutVector(1),
eout => eoutVector(1),
q => state(1)
);
reg12 : entity work.reg1 port map(
--input signals
clk => clk,
cl => cl,
i => i(2),
ld => ld,
cin => coutVector(1),
inc => inc,
ein => eoutVector(1),
dec => dec,
ir => state(3),
shr => shr,
il => state(1),
shl => shl,
--output signals
cout => coutVector(2),
eout => eoutVector(2),
q => state(2)
);
reg13 : entity work.reg1 port map(
--input signals
clk => clk,
cl => cl,
i => i(3),
ld => ld,
cin => coutVector(2),
inc => inc,
ein => eoutVector(2),
dec => dec,
ir => state(4),
shr => shr,
il => state(2),
shl => shl,
--output signals
cout => coutVector(3),
eout => eoutVector(3),
q => state(3)
);
reg14 : entity work.reg1 port map(
--input signals
clk => clk,
cl => cl,
i => i(4),
ld => ld,
cin => coutVector(3),
inc => inc,
ein => eoutVector(3),
dec => dec,
ir => ir,
shr => shr,
il => state(3),
shl => shl,
--output signals
cout => cout,
eout => eout,
q => state(4)
);
end reg5;