| Line 37... |
Line 37... |
-- Author Date Change
|
-- Author Date Change
|
------------------ -------- ---------------------------------------------------
|
------------------ -------- ---------------------------------------------------
|
-- Seth Henry 07/28/11 Design Start
|
-- Seth Henry 07/28/11 Design Start
|
-- Seth Henry 12/19/19 Renamed to "o8_gpout" to fit "theme"
|
-- Seth Henry 12/19/19 Renamed to "o8_gpout" to fit "theme"
|
-- Seth Henry 04/10/20 Code Cleanup and comments
|
-- Seth Henry 04/10/20 Code Cleanup and comments
|
|
-- Seth Henry 04/16/20 Modified to make use of Open8 bus record
|
|
|
library ieee;
|
library ieee;
|
use ieee.std_logic_1164.all;
|
use ieee.std_logic_1164.all;
|
|
|
library work;
|
library work;
|
| Line 49... |
Line 50... |
entity o8_gpout is
|
entity o8_gpout is
|
generic(
|
generic(
|
Default_Out : DATA_TYPE := x"00";
|
Default_Out : DATA_TYPE := x"00";
|
Default_En : DATA_TYPE := x"00";
|
Default_En : DATA_TYPE := x"00";
|
Disable_Tristate : boolean := false;
|
Disable_Tristate : boolean := false;
|
Reset_Level : std_logic;
|
|
Address : ADDRESS_TYPE
|
Address : ADDRESS_TYPE
|
);
|
);
|
port(
|
port(
|
Clock : in std_logic;
|
|
Reset : in std_logic;
|
|
--
|
|
Open8_Bus : in OPEN8_BUS_TYPE;
|
Open8_Bus : in OPEN8_BUS_TYPE;
|
Rd_Data : out DATA_TYPE;
|
Rd_Data : out DATA_TYPE;
|
--
|
--
|
GPO : out DATA_TYPE
|
GPO : out DATA_TYPE
|
);
|
);
|
end entity;
|
end entity;
|
|
|
architecture behave of o8_gpout is
|
architecture behave of o8_gpout is
|
|
|
|
alias Clock is Open8_Bus.Clock;
|
|
alias Reset is Open8_Bus.Reset;
|
|
|
constant User_Addr : std_logic_vector(15 downto 1)
|
constant User_Addr : std_logic_vector(15 downto 1)
|
:= Address(15 downto 1);
|
:= Address(15 downto 1);
|
alias Comp_Addr is Open8_Bus.Address(15 downto 1);
|
alias Comp_Addr is Open8_Bus.Address(15 downto 1);
|
alias Reg_Addr is Open8_Bus.Address(0);
|
alias Reg_Addr is Open8_Bus.Address(0);
|
signal Reg_Sel : std_logic := '0';
|
signal Reg_Sel : std_logic := '0';
|
