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Diffstat (limited to '')
| -rwxr-xr-x | sw/cpld/address_decoder.vhm | 288 |
1 files changed, 288 insertions, 0 deletions
diff --git a/sw/cpld/address_decoder.vhm b/sw/cpld/address_decoder.vhm new file mode 100755 index 0000000..937f6e2 --- /dev/null +++ b/sw/cpld/address_decoder.vhm @@ -0,0 +1,288 @@ +--
+-- 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;
+
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