| Line 53... |
Line 53... |
port(
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port(
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Clock : in std_logic := '0';
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Clock : in std_logic := '0';
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Reset : in std_logic := '0';
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Reset : in std_logic := '0';
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uSec_Tick : in std_logic := '0';
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uSec_Tick : in std_logic := '0';
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--
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--
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Bus_Address : in ADDRESS_TYPE := x"0000";
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Open8_Bus : in OPEN8_BUS_TYPE;
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Rd_Enable : in std_logic := '0';
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Rd_Data : out DATA_TYPE;
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Rd_Data : out DATA_TYPE;
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Interrupt : out std_logic;
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Interrupt : out std_logic;
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--
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--
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Button_In : in DATA_TYPE := x"00"
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Button_In : in DATA_TYPE := x"00"
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);
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);
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end entity;
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end entity;
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|
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architecture behave of o8_btn_int is
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architecture behave of o8_btn_int is
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|
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constant User_Addr : std_logic_vector(15 downto 0) := Address;
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constant User_Addr : std_logic_vector(15 downto 0) := Address;
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alias Comp_Addr is Bus_Address(15 downto 0);
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alias Comp_Addr is Open8_Bus.Address(15 downto 0);
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signal Addr_Match : std_logic := '0';
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signal Addr_Match : std_logic := '0';
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signal Rd_En : std_logic := '0';
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signal Rd_En : std_logic := '0';
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|
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constant MSEC_DELAY : std_logic_vector(9 downto 0) :=
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constant MSEC_DELAY : std_logic_vector(9 downto 0) :=
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conv_std_logic_vector(1000,10);
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conv_std_logic_vector(1000,10);
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| Line 80... |
Line 79... |
signal Button_Pressed : DATA_TYPE := x"00";
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signal Button_Pressed : DATA_TYPE := x"00";
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signal Button_CoS : DATA_TYPE := x"00";
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signal Button_CoS : DATA_TYPE := x"00";
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|
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begin
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begin
|
|
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Addr_Match <= Rd_Enable when Comp_Addr = User_Addr else '0';
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Addr_Match <= Open8_Bus.Rd_En when Comp_Addr = User_Addr else
|
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'0';
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|
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io_reg: process( Clock, Reset )
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io_reg: process( Clock, Reset )
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begin
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begin
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if( Reset = Reset_Level )then
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if( Reset = Reset_Level )then
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Rd_En <= '0';
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Rd_En <= '0';
|
