path: root/sw/cpld/address_decoder.vhm

--
-- Written by Synplicity
-- Thu Nov 23 11:54:35 2017
--

--
library ieee;
use ieee.std_logic_1164.all;
library synplify;
use synplify.components.all;
entity AND2 is
port(
  O :  out std_logic;
  I0 :  in std_logic;
  I1 :  in std_logic);
end AND2;

architecture beh of AND2 is
  signal NN_1 : std_logic ;
  signal NN_2 : std_logic ;
begin
  NN_1 <= '1';
  NN_2 <= '0';
  O <= I0 and I1  after 100 ps;
end beh;

--
library ieee;
use ieee.std_logic_1164.all;
library synplify;
use synplify.components.all;
entity IBUF is
port(
  O :  out std_logic;
  I0 :  in std_logic);
end IBUF;

architecture beh of IBUF is
  signal NN_1 : std_logic ;
  signal NN_2 : std_logic ;
begin
  O <= I0;
  NN_1 <= '1';
  NN_2 <= '0';
end beh;

--
library ieee;
use ieee.std_logic_1164.all;
library synplify;
use synplify.components.all;
entity INV is
port(
  O :  out std_logic;
  I0 :  in std_logic);
end INV;

architecture beh of INV is
  signal NN_1 : std_logic ;
  signal NN_2 : std_logic ;
begin
  O <= not I0;
  NN_1 <= '1';
  NN_2 <= '0';
end beh;

--
library ieee;
use ieee.std_logic_1164.all;
library synplify;
use synplify.components.all;
entity OBUF is
port(
  O :  out std_logic;
  I0 :  in std_logic);
end OBUF;

architecture beh of OBUF is
  signal NN_1 : std_logic ;
  signal NN_2 : std_logic ;
begin
  O <= I0;
  NN_1 <= '1';
  NN_2 <= '0';
end beh;

--
library ieee;
use ieee.std_logic_1164.all;
library synplify;
use synplify.components.all;
entity ADDRESS_DECODER is
port(
  MMU_IN : in std_logic_vector(15 downto 0);
  MMU_OUT : out std_logic_vector(15 downto 12);
  IORQ :  in std_logic;
  RD :  in std_logic;
  CSROML :  out std_logic;
  CSROMH :  out std_logic;
  CSRAM :  out std_logic;
  CSUART :  out std_logic;
  CSCTC :  out std_logic;
  CSPIO :  out std_logic);
end ADDRESS_DECODER;

architecture beh of ADDRESS_DECODER is
  signal MMU_IN_I_0 : std_logic_vector(14 downto 2);
  signal MMU_IN_C : std_logic_vector(7 downto 2);
  signal MMU_IN_C_C : std_logic_vector(15 downto 12);
  signal MMU_IN_I_C : std_logic_vector(15 to 15);
  signal OP_GE_UN24_CSROMH : std_logic ;
  signal OP_LT_UN11_CSROMH : std_logic ;
  signal UN12_CSROMH : std_logic ;
  signal N_117 : std_logic ;
  signal N_181 : std_logic ;
  signal OP_LT_UN11_CSPIO : std_logic ;
  signal N_56 : std_logic ;
  signal N_54 : std_logic ;
  signal N_51 : std_logic ;
  signal IORQ_I : std_logic ;
  signal IORQ_C : std_logic ;
  signal OP_GE_UN24_CSROMH_I_C : std_logic ;
  signal UN12_CSROMH_I_C : std_logic ;
  signal N_181_I_0_C : std_logic ;
  signal GND : std_logic ;
  signal N_184 : std_logic ;
  signal VCC : std_logic ;
  component IBUF
    port(O :  out std_logic;
    I0 :  in std_logic  );
  end component;
  component OBUF
    port(O :  out std_logic;
    I0 :  in std_logic  );
  end component;
  component AND2
    port(O :  out std_logic;
    I0 :  in std_logic;
    I1 :  in std_logic  );
  end component;
  component INV
    port(O :  out std_logic;
    I0 :  in std_logic  );
  end component;
begin
  GND <= '0';
  \II_MMU_IN[2]\: IBUF port map (
    O => MMU_IN_C(2),
    I0 => MMU_IN(2));
  \II_MMU_IN[3]\: IBUF port map (
    O => MMU_IN_C(3),
    I0 => MMU_IN(3));
  \II_MMU_IN[4]\: IBUF port map (
    O => MMU_IN_C(4),
    I0 => MMU_IN(4));
  \II_MMU_IN[5]\: IBUF port map (
    O => MMU_IN_C(5),
    I0 => MMU_IN(5));
  \II_MMU_IN[6]\: IBUF port map (
    O => MMU_IN_C(6),
    I0 => MMU_IN(6));
  \II_MMU_IN[7]\: IBUF port map (
    O => MMU_IN_C(7),
    I0 => MMU_IN(7));
  \II_MMU_IN[12]\: IBUF port map (
    O => MMU_IN_C_C(12),
    I0 => MMU_IN(12));
  \II_MMU_IN[13]\: IBUF port map (
    O => MMU_IN_C_C(13),
    I0 => MMU_IN(13));
  \II_MMU_IN[14]\: IBUF port map (
    O => MMU_IN_C_C(14),
    I0 => MMU_IN(14));
  \II_MMU_IN[15]\: IBUF port map (
    O => MMU_IN_C_C(15),
    I0 => MMU_IN(15));
  \II_MMU_OUT[12]\: OBUF port map (
    O => MMU_OUT(12),
    I0 => MMU_IN_C_C(12));
  \II_MMU_OUT[13]\: OBUF port map (
    O => MMU_OUT(13),
    I0 => MMU_IN_C_C(13));
  \II_MMU_OUT[14]\: OBUF port map (
    O => MMU_OUT(14),
    I0 => MMU_IN_C_C(14));
  \II_MMU_OUT[15]\: OBUF port map (
    O => MMU_OUT(15),
    I0 => MMU_IN_C_C(15));
  II_IORQ: IBUF port map (
    O => IORQ_C,
    I0 => IORQ);
  II_CSROML: OBUF port map (
    O => CSROML,
    I0 => OP_GE_UN24_CSROMH_I_C);
  II_CSROMH: OBUF port map (
    O => CSROMH,
    I0 => UN12_CSROMH_I_C);
  II_CSRAM: OBUF port map (
    O => CSRAM,
    I0 => MMU_IN_I_C(15));
  II_CSUART: OBUF port map (
    O => CSUART,
    I0 => GND);
  II_CSCTC: OBUF port map (
    O => CSCTC,
    I0 => GND);
  II_CSPIO: OBUF port map (
    O => CSPIO,
    I0 => N_181_I_0_C);
  II_UN26_CSPIO: AND2 port map (
    O => N_181,
    I0 => OP_LT_UN11_CSPIO,
    I1 => N_184);
  \II_UN26_CSPIO.G_184\: AND2 port map (
    O => N_184,
    I0 => MMU_IN_C(4),
    I1 => IORQ_I);
  \II_MMU_IN_I[6]\: INV port map (
    O => MMU_IN_I_0(6),
    I0 => MMU_IN_C(6));
  \II_MMU_IN_I[5]\: INV port map (
    O => MMU_IN_I_0(5),
    I0 => MMU_IN_C(5));
  \II_MMU_IN_I[3]\: INV port map (
    O => MMU_IN_I_0(3),
    I0 => MMU_IN_C(3));
  \II_MMU_IN_I[2]\: INV port map (
    O => MMU_IN_I_0(2),
    I0 => MMU_IN_C(2));
  \II_MMU_IN_I[14]\: INV port map (
    O => MMU_IN_I_0(14),
    I0 => MMU_IN_C_C(14));
  \II_MMU_IN_I[13]\: INV port map (
    O => MMU_IN_I_0(13),
    I0 => MMU_IN_C_C(13));
  II_UN12_CSROMH: AND2 port map (
    O => UN12_CSROMH,
    I0 => OP_LT_UN11_CSROMH,
    I1 => OP_GE_UN24_CSROMH_I_C);
  II_G_116: AND2 port map (
    O => N_117,
    I0 => MMU_IN_I_0(14),
    I1 => MMU_IN_I_0(13));
  II_G_118: AND2 port map (
    O => OP_GE_UN24_CSROMH,
    I0 => MMU_IN_I_C(15),
    I1 => N_117);
  II_G_179: AND2 port map (
    O => OP_LT_UN11_CSROMH,
    I0 => MMU_IN_I_C(15),
    I1 => MMU_IN_I_0(14));
  II_G_49: AND2 port map (
    O => N_51,
    I0 => MMU_IN_I_0(3),
    I1 => MMU_IN_I_0(2));
  II_G_53: AND2 port map (
    O => N_54,
    I0 => N_51,
    I1 => MMU_IN_I_0(5));
  II_G_55: AND2 port map (
    O => N_56,
    I0 => N_54,
    I1 => MMU_IN_I_0(6));
  II_G_57: AND2 port map (
    O => OP_LT_UN11_CSPIO,
    I0 => N_56,
    I1 => MMU_IN_I_0(7));
  II_N_181_I: INV port map (
    O => N_181_I_0_C,
    I0 => N_181);
  \II_MMU_IN_I[15]\: INV port map (
    O => MMU_IN_I_C(15),
    I0 => MMU_IN_C_C(15));
  II_UN12_CSROMH_I: INV port map (
    O => UN12_CSROMH_I_C,
    I0 => UN12_CSROMH);
  II_OP_GE_UN24_CSROMH_I: INV port map (
    O => OP_GE_UN24_CSROMH_I_C,
    I0 => OP_GE_UN24_CSROMH);
  II_IORQ_I: INV port map (
    O => IORQ_I,
    I0 => IORQ_C);
  \II_MMU_IN_I[7]\: INV port map (
    O => MMU_IN_I_0(7),
    I0 => MMU_IN_C(7));
  VCC <= '1';
end beh;