rtps-fpga/syn/test7.vhd

57 lines
1.5 KiB
VHDL

-- altera vhdl_input_version vhdl_2008
-- XXX: QSYS Fix (https://www.intel.com/content/www/us/en/support/programmable/articles/000079458.html)
library ieee;
use ieee.std_logic_1164.all;
use ieee.numeric_std.all;
use work.test_package.all;
-- Test synthesis of array indexing
entity test7 is
port (
clk : in std_logic;
reset : in std_logic;
in1 : in std_logic;
in2 : in std_logic;
output : out std_logic_vector(84 downto 0)
);
end entity;
architecture arch of test7 is
signal a : std_logic_vector(52 downto 0);
signal b : std_logic_vector(31 downto 0);
signal res : std_logic_vector(84 downto 0);
begin
output <= res;
mult_inst : entity work.mult(SYN)
generic map (
PIPELINE_STAGES => 1,
DATAA_WIDTH => 32,
DATAB_WIDTH => 53,
DATAB_CONST => FALSE
)
port map (
clk => clk,
reset => reset,
dataa => a,
datab => b,
result => res
);
sync_prc : process(clk)
begin
if rising_edge(clk) then
if (reset = '1') then
a <= (others => '0');
b <= (others => '0');
else
a <= a(51 downto 0) & in1;
b <= b(30 downto 0) & in2;
end if;
end if;
end process;
end architecture;