X-Git-Url: https://git.zerfleddert.de/cgi-bin/gitweb.cgi/raggedstone/blobdiff_plain/696ded12bcd3df47aeefae2c685029a799d84abd..30273618403fd6512926c89f999f97b4722e1709:/dhwk/source/synplify.vhd

diff --git a/dhwk/source/synplify.vhd b/dhwk/source/synplify.vhd
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--- a/dhwk/source/synplify.vhd
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------------------------------------------------------------------------------
---                                                                         --
--- Copyright (c) 1997 by Synplicity, Inc.  All rights reserved.            --
---                                                                         --
--- This source file may be used and distributed without restriction        --
--- provided that this copyright statement is not removed from the file     --
--- and that any derivative work contains this copyright notice.            --
---                                                                         --
--- Primitive library for post synthesis simulation                         --
--- These models are not intended for efficient synthesis                   --
---                                                                         --
------------------------------------------------------------------------------
-library ieee;
-use ieee.std_logic_1164.all;
-entity prim_counter is
-    generic (w : integer := 8);
-    port (
-        q : buffer std_logic_vector(w - 1 downto 0);
-        cout : out std_logic;
-        d : in std_logic_vector(w - 1 downto 0);
-        cin : in std_logic;
-        clk : in std_logic;
-        rst : in std_logic;
-        load : in std_logic;
-        en : in std_logic;
-        updn : in std_logic
-    );
-end prim_counter;
-
-architecture beh of prim_counter is
-    signal nextq : std_logic_vector(w - 1 downto 0);
-begin
-    nxt: process (q, cin, updn)
-        variable i : integer;
-        variable nextc, c : std_logic;
-    begin
-        nextc := cin;
-        for i in 0 to w - 1 loop
-            c := nextc;
-            nextq(i) <= c xor (not updn) xor q(i);
-            nextc := (c and (not updn)) or 
-                 (c and q(i)) or
-                 ((not updn) and q(i));
-        end loop;
-        cout <= nextc;
-    end process;
-
-    ff : process (clk, rst)
-    begin
-        if rst = '1' then
-            q <= (others => '0');
-        elsif rising_edge(clk) then
-            q <= nextq;
-        end if;
-    end process ff;
-end beh;
-
-library ieee;
-use ieee.std_logic_1164.all;
-entity prim_dff is
-    port (q : out std_logic;
-          d : in std_logic;
-          clk : in std_logic;
-          r : in std_logic := '0';
-          s : in std_logic := '0');
-end prim_dff;
-
-architecture beh of prim_dff is
-begin
-    ff : process (clk, r, s)
-    begin
-        if r = '1' then
-            q <= '0';
-        elsif s = '1' then
-            q <= '1';
-        elsif rising_edge(clk) then
-            q <= d;
-        end if;
-    end process ff;
-end beh;
-
-library ieee;
-use ieee.std_logic_1164.all;
-entity prim_latch is
-    port (q : out std_logic;
-          d : in std_logic;
-          clk : in std_logic;
-          r : in std_logic := '0';
-          s : in std_logic := '0');
-end prim_latch;
-
-architecture beh of prim_latch is
-begin
-    q <= '0' when r = '1' else
-         '1' when s = '1' else
-         d when clk = '1';
-end beh;
-
-
-library ieee;
-use ieee.std_logic_1164.all;
-use ieee.std_logic_unsigned.all;
-
-entity prim_ramd is
-generic (
-   data_width : integer := 4;
-    addr_width : integer := 5);
-port (
-    dout : out std_logic_vector(data_width-1 downto 0);
-    aout : in std_logic_vector(addr_width-1 downto 0);
-    din  : in std_logic_vector(data_width-1 downto 0);
-    ain : in std_logic_vector(addr_width-1 downto 0);
-    we   : in std_logic;
-    clk  : in std_logic);
-end prim_ramd;
-
-architecture beh of prim_ramd is
-
-constant depth : integer := 2** addr_width;
-type mem_type is array (depth-1 downto 0) of std_logic_vector (data_width-1 downto 0);
-signal mem: mem_type;
-
-begin  
-
-dout <= mem(conv_integer(aout));
-
-process (clk)
-    begin
-        if rising_edge(clk) then    
-            if (we = '1') then
-                mem(conv_integer(ain)) <= din;
-            end if;
-        end if;
-end process;
-
-end beh ;
-
-
-library ieee;
-use ieee.std_logic_1164.all;
-package components is
-    component prim_counter
-        generic (w : integer);
-        port (
-            q : buffer std_logic_vector(w - 1 downto 0);
-            cout : out std_logic;
-            d : in std_logic_vector(w - 1 downto 0);
-            cin : in std_logic;
-            clk : in std_logic;
-            rst : in std_logic;
-            load : in std_logic;
-            en : in std_logic;
-            updn : in std_logic
-        );
-    end component;
-    component prim_dff
-        port (q : out std_logic;
-              d : in std_logic;
-              clk : in std_logic;
-              r : in std_logic := '0';
-              s : in std_logic := '0');
-    end component;
-    component prim_latch
-        port (q : out std_logic;
-              d : in std_logic;
-              clk : in std_logic;
-              r : in std_logic := '0';
-              s : in std_logic := '0');
-    end component;
-
-    component prim_ramd is
-    generic (
-        data_width : integer := 4;
-        addr_width : integer := 5);
-    port (
-        dout : out std_logic_vector(data_width-1 downto 0);
-        aout : in std_logic_vector(addr_width-1 downto 0);
-        din  : in std_logic_vector(data_width-1 downto 0);
-        ain : in std_logic_vector(addr_width-1 downto 0);
-        we   : in std_logic;
-        clk  : in std_logic);
-    end component;
-
-end components;