--------------------------------------------------------------------------------
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--------------------------------------------------------------------------------
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--This file is part of fpga_gpib_controller.
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--
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-- Fpga_gpib_controller is free software: you can redistribute it and/or modify
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-- it under the terms of the GNU General Public License as published by
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-- the Free Software Foundation, either version 3 of the License, or
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-- (at your option) any later version.
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--
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-- Fpga_gpib_controller is distributed in the hope that it will be useful,
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-- but WITHOUT ANY WARRANTY; without even the implied warranty of
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-- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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-- GNU General Public License for more details.
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-- You should have received a copy of the GNU General Public License
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-- along with Fpga_gpib_controller. If not, see <http://www.gnu.org/licenses/>.
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--------------------------------------------------------------------------------
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-- Entity: gpibInterface
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-- Entity: gpibInterface
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-- Date: 13:34 15/10/2011
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-- Date: 13:34 15/10/2011
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-- Author: apaluch
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-- Author: Andrzej Paluch
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--------------------------------------------------------------------------------
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--------------------------------------------------------------------------------
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library IEEE;
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library IEEE;
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use IEEE.STD_LOGIC_1164.ALL;
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use IEEE.STD_LOGIC_1164.ALL;
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use work.gpibComponents.all;
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use work.gpibComponents.all;
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entity gpibInterface is
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entity gpibInterface is
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port (
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port (
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clk : in std_logic;
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clk : in std_logic;
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reset : std_logic;
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reset : std_logic;
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-- application interface
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-- application interface
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isLE : in std_logic;
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isLE : in std_logic;
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isTE : in std_logic;
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isTE : in std_logic;
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lpeUsed : in std_logic;
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lpeUsed : in std_logic;
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fixedPpLine : in std_logic_vector (2 downto 0);
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fixedPpLine : in std_logic_vector (2 downto 0);
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eosUsed : in std_logic;
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eosUsed : in std_logic;
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eosMark : in std_logic_vector (7 downto 0);
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eosMark : in std_logic_vector (7 downto 0);
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myListAddr : in std_logic_vector (4 downto 0);
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myListAddr : in std_logic_vector (4 downto 0);
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myTalkAddr : in std_logic_vector (4 downto 0);
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myTalkAddr : in std_logic_vector (4 downto 0);
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secAddrMask : in std_logic_vector (31 downto 0);
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secAddrMask : in std_logic_vector (31 downto 0);
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data : in std_logic_vector (7 downto 0);
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data : in std_logic_vector (7 downto 0);
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status_byte : in std_logic_vector (7 downto 0);
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status_byte : in std_logic_vector (7 downto 0);
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T1 : in std_logic_vector (7 downto 0);
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T1 : in std_logic_vector (7 downto 0);
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-- local commands to interface
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-- local commands to interface
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rdy : in std_logic; -- ready for next message (AH)
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rdy : in std_logic; -- ready for next message (AH)
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nba : in std_logic; -- new byte available (SH)
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nba : in std_logic; -- new byte available (SH)
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ltn : in std_logic; -- listen (L, LE)
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ltn : in std_logic; -- listen (L, LE)
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lun : in std_logic; -- local unlisten (L, LE)
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lun : in std_logic; -- local unlisten (L, LE)
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lon : in std_logic; -- listen only (L, LE)
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lon : in std_logic; -- listen only (L, LE)
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ton : in std_logic; -- talk only (T, TE)
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ton : in std_logic; -- talk only (T, TE)
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endOf : in std_logic; -- end of byte string (T, TE)
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endOf : in std_logic; -- end of byte string (T, TE)
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gts : in std_logic; -- go to standby (C)
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gts : in std_logic; -- go to standby (C)
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rpp : in std_logic; -- request parallel poll (C)
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rpp : in std_logic; -- request parallel poll (C)
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tcs : in std_logic; -- take control synchronously (C, AH)
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tcs : in std_logic; -- take control synchronously (C, AH)
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tca : in std_logic; -- take control asynchronously (C)
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tca : in std_logic; -- take control asynchronously (C)
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sic : in std_logic; -- send interface clear (C)
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sic : in std_logic; -- send interface clear (C)
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rsc : in std_logic; -- request system control (C)
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rsc : in std_logic; -- request system control (C)
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sre : in std_logic; -- send remote enable (C)
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sre : in std_logic; -- send remote enable (C)
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rtl : in std_logic; -- return to local (RL)
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rtl : in std_logic; -- return to local (RL)
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rsv : in std_logic; -- request service (SR)
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rsv : in std_logic; -- request service (SR)
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ist : in std_logic; -- individual status (PP)
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ist : in std_logic; -- individual status (PP)
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lpe : in std_logic; -- local poll enable (PP)
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lpe : in std_logic; -- local poll enable (PP)
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-- local commands from interface
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-- local commands from interface
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dvd : out std_logic; -- data valid (AH)
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dvd : out std_logic; -- data valid (AH)
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wnc : out std_logic; -- wait for new cycle (SH)
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wnc : out std_logic; -- wait for new cycle (SH)
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tac : out std_logic; -- talker active (T, TE)
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tac : out std_logic; -- talker active (T, TE)
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lac : out std_logic; -- listener active (L, LE)
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lac : out std_logic; -- listener active (L, LE)
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cwrc : out std_logic; -- controller write commands
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cwrc : out std_logic; -- controller write commands
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cwrd : out std_logic; -- controller write data
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cwrd : out std_logic; -- controller write data
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clr : out std_logic; -- clear device (DC)
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clr : out std_logic; -- clear device (DC)
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trg : out std_logic; -- trigger device (DT)
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trg : out std_logic; -- trigger device (DT)
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atl : out std_logic; -- addressed to listen (T or TE)
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atl : out std_logic; -- addressed to listen (T or TE)
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att : out std_logic; -- addressed to talk(L or LE)
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att : out std_logic; -- addressed to talk(L or LE)
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mla : out std_logic; -- my listen addres decoded (L or LE)
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mla : out std_logic; -- my listen addres decoded (L or LE)
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lsb : out std_logic; -- last byte
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lsb : out std_logic; -- last byte
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spa : out std_logic; -- seriall poll active
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spa : out std_logic; -- seriall poll active
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ppr : out std_logic; -- parallel poll ready
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ppr : out std_logic; -- parallel poll ready
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sreq : out std_logic; -- service requested
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sreq : out std_logic; -- service requested
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isLocal : out std_logic; -- device is local controlled
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isLocal : out std_logic; -- device is local controlled
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currentSecAddr : out std_logic_vector (4 downto 0); -- current sec addr
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currentSecAddr : out std_logic_vector (4 downto 0); -- current sec addr
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-- interface signals
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-- interface signals
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DI : in std_logic_vector (7 downto 0);
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DI : in std_logic_vector (7 downto 0);
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DO : out std_logic_vector (7 downto 0);
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DO : out std_logic_vector (7 downto 0);
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output_valid : out std_logic;
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output_valid : out std_logic;
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-- attention
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-- attention
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ATN_in : in std_logic;
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ATN_in : in std_logic;
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ATN_out : out std_logic;
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ATN_out : out std_logic;
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-- data valid
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-- data valid
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DAV_in : in std_logic;
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DAV_in : in std_logic;
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DAV_out : out std_logic;
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DAV_out : out std_logic;
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-- not ready for data
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-- not ready for data
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NRFD_in : in std_logic;
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NRFD_in : in std_logic;
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NRFD_out : out std_logic;
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NRFD_out : out std_logic;
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-- no data accepted
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-- no data accepted
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NDAC_in : in std_logic;
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NDAC_in : in std_logic;
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NDAC_out : out std_logic;
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NDAC_out : out std_logic;
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-- end or identify
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-- end or identify
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EOI_in : in std_logic;
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EOI_in : in std_logic;
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EOI_out : out std_logic;
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EOI_out : out std_logic;
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-- service request
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-- service request
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SRQ_in : in std_logic;
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SRQ_in : in std_logic;
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SRQ_out : out std_logic;
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SRQ_out : out std_logic;
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-- interface clear
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-- interface clear
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IFC_in : in std_logic;
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IFC_in : in std_logic;
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IFC_out : out std_logic;
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IFC_out : out std_logic;
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-- remote enable
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-- remote enable
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REN_in : in std_logic;
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REN_in : in std_logic;
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REN_out : out std_logic
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REN_out : out std_logic
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;debug1 : out std_logic
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;debug1 : out std_logic
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);
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);
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end gpibInterface;
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end gpibInterface;
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architecture Behavioral of gpibInterface is
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architecture Behavioral of gpibInterface is
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-- function states
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-- function states
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signal LACS, LADS, SPAS, TACS, CACS, CSBS, CPPS, CTRS, CSRS, SACS, ACDS,
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signal LACS, LADS, SPAS, TACS, CACS, CSBS, CPPS, CTRS, CSRS, SACS, ACDS,
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TPAS, APRS, LPAS, TADS, ANRS, STRS, SDYS, PPAS, LOCS, LWLS : std_logic;
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TPAS, APRS, LPAS, TADS, ANRS, STRS, SDYS, PPAS, LOCS, LWLS : std_logic;
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-- decoded remote commands
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-- decoded remote commands
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signal ATN_dec, DAC_dec, DAV_dec, END_c_dec, IDY_dec, IFC_dec, REN_dec,
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signal ATN_dec, DAC_dec, DAV_dec, END_c_dec, IDY_dec, IFC_dec, REN_dec,
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RFD_dec, SRQ_dec : std_logic;
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RFD_dec, SRQ_dec : std_logic;
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signal ACG_dec, DAB_dec, DCL_dec, EOS_dec, GET_dec, GTL_dec, LAG_dec,
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signal ACG_dec, DAB_dec, DCL_dec, EOS_dec, GET_dec, GTL_dec, LAG_dec,
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LLO_dec, MLA_dec, MTA_dec, MSA_dec, NUL_dec, OSA_dec, OTA_dec, PCG_dec,
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LLO_dec, MLA_dec, MTA_dec, MSA_dec, NUL_dec, OSA_dec, OTA_dec, PCG_dec,
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PPC_dec, PPE_dec, PPD_dec, PPR_dec, PPU_dec, RQS_dec, SCG_dec, SDC_dec,
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PPC_dec, PPE_dec, PPD_dec, PPR_dec, PPU_dec, RQS_dec, SCG_dec, SDC_dec,
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SPD_dec, SPE_dec, STB_dec, TAG_dec, TCT_dec, UCG_dec, UNL_dec,
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SPD_dec, SPE_dec, STB_dec, TAG_dec, TCT_dec, UCG_dec, UNL_dec,
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UNT_dec : std_logic;
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UNT_dec : std_logic;
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-- encoded remote commands
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-- encoded remote commands
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signal ATN_enc, DAC_enc, RFD_enc, DAV_enc, END_OF_enc, IFC_enc, IDY_enc,
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signal ATN_enc, DAC_enc, RFD_enc, DAV_enc, END_OF_enc, IFC_enc, IDY_enc,
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REN_enc, RQS_enc, DAB_enc, EOS_enc, STB_enc, TCT_enc, SRQ_enc,
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REN_enc, RQS_enc, DAB_enc, EOS_enc, STB_enc, TCT_enc, SRQ_enc,
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PPR_enc : std_logic;
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PPR_enc : std_logic;
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-- PPR command data
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-- PPR command data
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signal ppBitValue : std_logic;
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signal ppBitValue : std_logic;
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signal ppLineNumber : std_logic_vector (2 downto 0);
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signal ppLineNumber : std_logic_vector (2 downto 0);
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-- internal signals
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-- internal signals
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signal secAddrDetected : std_logic;
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signal secAddrDetected : std_logic;
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begin
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begin
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dvd <= ACDS;
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dvd <= ACDS;
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cwrc <= CACS;
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cwrc <= CACS;
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cwrd <= CSBS;
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cwrd <= CSBS;
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atl <= LADS or LACS;
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atl <= LADS or LACS;
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lac <= LACS;
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lac <= LACS;
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att <= TACS or TADS or SPAS;
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att <= TACS or TADS or SPAS;
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mla <= MLA_dec;
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mla <= MLA_dec;
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lsb <= ((eosUsed and EOS_dec) or END_c_dec) and ACDS; -- dvd = ACDS
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lsb <= ((eosUsed and EOS_dec) or END_c_dec) and ACDS; -- dvd = ACDS
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spa <= SPAS;
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spa <= SPAS;
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ppr <= CPPS;
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ppr <= CPPS;
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sreq <= CSRS and SACS;
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sreq <= CSRS and SACS;
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isLocal <= LOCS or LWLS;
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isLocal <= LOCS or LWLS;
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-- acceptor handshake
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-- acceptor handshake
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AH: if_func_AH port map(
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AH: if_func_AH port map(
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clk => clk,
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clk => clk,
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-----------------------------------------------------------------------
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-----------------------------------------------------------------------
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pon => reset, rdy => rdy, tcs => tcs,
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pon => reset, rdy => rdy, tcs => tcs,
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-----------------------------------------------------------------------
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-----------------------------------------------------------------------
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LACS => LACS, LADS => LADS,
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LACS => LACS, LADS => LADS,
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-----------------------------------------------------------------------
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-----------------------------------------------------------------------
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ATN => ATN_dec, DAV => DAV_dec,
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ATN => ATN_dec, DAV => DAV_dec,
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-----------------------------------------------------------------------
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-----------------------------------------------------------------------
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RFD => RFD_enc, DAC=> DAC_enc,
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RFD => RFD_enc, DAC=> DAC_enc,
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-----------------------------------------------------------------------
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-----------------------------------------------------------------------
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ANRS => ANRS, ACDS => ACDS
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ANRS => ANRS, ACDS => ACDS
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);
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);
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-- source handshake
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-- source handshake
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SH: if_func_SH port map(
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SH: if_func_SH port map(
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clk => clk,
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clk => clk,
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-----------------------------------------------------------------------
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-----------------------------------------------------------------------
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T1 => T1,
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T1 => T1,
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-----------------------------------------------------------------------
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-----------------------------------------------------------------------
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pon => reset, nba => nba,
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pon => reset, nba => nba,
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-----------------------------------------------------------------------
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-----------------------------------------------------------------------
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TACS => TACS, SPAS => SPAS, CACS => CACS, CTRS => CTRS,
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TACS => TACS, SPAS => SPAS, CACS => CACS, CTRS => CTRS,
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-----------------------------------------------------------------------
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-----------------------------------------------------------------------
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ATN => ATN_dec, DAC => DAC_dec, RFD => RFD_dec,
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ATN => ATN_dec, DAC => DAC_dec, RFD => RFD_dec,
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-----------------------------------------------------------------------
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-----------------------------------------------------------------------
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DAV => DAV_enc,
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DAV => DAV_enc,
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-----------------------------------------------------------------------
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-----------------------------------------------------------------------
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wnc => wnc,
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wnc => wnc,
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-----------------------------------------------------------------------
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-----------------------------------------------------------------------
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STRS => STRS, SDYS => SDYS
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STRS => STRS, SDYS => SDYS
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);
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);
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-- listener, extended listener
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-- listener, extended listener
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L_LE: if_func_L_LE port map(
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L_LE: if_func_L_LE port map(
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clk => clk,
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clk => clk,
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-----------------------------------------------------------------------
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-----------------------------------------------------------------------
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isLE => isLE,
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isLE => isLE,
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-----------------------------------------------------------------------
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-----------------------------------------------------------------------
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pon => reset, ltn => ltn, lun => lun, lon => lon,
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pon => reset, ltn => ltn, lun => lun, lon => lon,
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-----------------------------------------------------------------------
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-----------------------------------------------------------------------
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ACDS => ACDS, CACS => CACS, TPAS => TPAS,
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ACDS => ACDS, CACS => CACS, TPAS => TPAS,
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-----------------------------------------------------------------------
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-----------------------------------------------------------------------
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ATN => ATN_dec, IFC => IFC_dec, MLA => MLA_dec, MTA => MTA_dec,
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ATN => ATN_dec, IFC => IFC_dec, MLA => MLA_dec, MTA => MTA_dec,
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UNL => UNL_dec, PCG => PCG_dec, MSA => MSA_dec,
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UNL => UNL_dec, PCG => PCG_dec, MSA => MSA_dec,
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-----------------------------------------------------------------------
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-----------------------------------------------------------------------
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LACS => LACS, LADS => LADS, LPAS => LPAS, debug1 => debug1
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LACS => LACS, LADS => LADS, LPAS => LPAS, debug1 => debug1
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);
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);
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-- talker, extended talker
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-- talker, extended talker
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T_TE: if_func_T_TE port map(
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T_TE: if_func_T_TE port map(
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clk => clk,
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clk => clk,
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-----------------------------------------------------------------------
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-----------------------------------------------------------------------
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isTE => isTE,
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isTE => isTE,
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-----------------------------------------------------------------------
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-----------------------------------------------------------------------
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pon => reset, ton => ton, endOf => endOf,
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pon => reset, ton => ton, endOf => endOf,
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-----------------------------------------------------------------------
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-----------------------------------------------------------------------
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ACDS => ACDS, APRS => APRS, LPAS => LPAS,
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ACDS => ACDS, APRS => APRS, LPAS => LPAS,
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-----------------------------------------------------------------------
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-----------------------------------------------------------------------
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ATN => ATN_dec, IFC => IFC_dec, SPE => SPE_dec, SPD => SPD_dec,
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ATN => ATN_dec, IFC => IFC_dec, SPE => SPE_dec, SPD => SPD_dec,
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MTA => MTA_dec, OTA => OTA_dec, MLA => MLA_dec, OSA => OSA_dec,
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MTA => MTA_dec, OTA => OTA_dec, MLA => MLA_dec, OSA => OSA_dec,
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MSA => MSA_dec, PCG => PCG_dec,
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MSA => MSA_dec, PCG => PCG_dec,
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-----------------------------------------------------------------------
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-----------------------------------------------------------------------
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END_OF => END_OF_enc, RQS => RQS_enc, DAB => DAB_enc, EOS => EOS_enc,
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END_OF => END_OF_enc, RQS => RQS_enc, DAB => DAB_enc, EOS => EOS_enc,
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STB => STB_enc,
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STB => STB_enc,
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-----------------------------------------------------------------------
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-----------------------------------------------------------------------
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tac => tac,
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tac => tac,
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-----------------------------------------------------------------------
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-----------------------------------------------------------------------
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SPAS => SPAS, TPAS => TPAS, TADS => TADS, TACS => TACS
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SPAS => SPAS, TPAS => TPAS, TADS => TADS, TACS => TACS
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);
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);
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-- controller
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-- controller
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C: if_func_C port map(
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C: if_func_C port map(
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clk => clk,
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clk => clk,
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-----------------------------------------------------------------------
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-----------------------------------------------------------------------
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pon => reset, gts => gts, rpp => rpp, tcs => tcs, tca => tca,
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pon => reset, gts => gts, rpp => rpp, tcs => tcs, tca => tca,
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sic => sic, rsc => rsc, sre => sre,
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sic => sic, rsc => rsc, sre => sre,
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-----------------------------------------------------------------------
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-----------------------------------------------------------------------
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TADS => TADS, ACDS => ACDS, ANRS => ANRS, STRS => STRS, SDYS => SDYS,
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TADS => TADS, ACDS => ACDS, ANRS => ANRS, STRS => STRS, SDYS => SDYS,
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-----------------------------------------------------------------------
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-----------------------------------------------------------------------
|
ATN_in => ATN_dec, IFC_in => IFC_dec, TCT_in => TCT_dec,
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ATN_in => ATN_dec, IFC_in => IFC_dec, TCT_in => TCT_dec,
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SRQ_in => SRQ_dec,
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SRQ_in => SRQ_dec,
|
-----------------------------------------------------------------------
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-----------------------------------------------------------------------
|
ATN_out => ATN_enc, IFC_out => IFC_enc, TCT_out => TCT_enc,
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ATN_out => ATN_enc, IFC_out => IFC_enc, TCT_out => TCT_enc,
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IDY_out => IDY_enc, REN_out => REN_enc,
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IDY_out => IDY_enc, REN_out => REN_enc,
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-----------------------------------------------------------------------
|
-----------------------------------------------------------------------
|
CACS => CACS, CTRS => CTRS, CSBS => CSBS, CPPS => CPPS, CSRS => CSRS,
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CACS => CACS, CTRS => CTRS, CSBS => CSBS, CPPS => CPPS, CSRS => CSRS,
|
SACS => SACS
|
SACS => SACS
|
);
|
);
|
|
|
-- device clear
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-- device clear
|
DC: if_func_DC port map(
|
DC: if_func_DC port map(
|
clk => clk,
|
clk => clk,
|
-----------------------------------------------------------------------
|
-----------------------------------------------------------------------
|
LADS => LADS, ACDS => ACDS,
|
LADS => LADS, ACDS => ACDS,
|
-----------------------------------------------------------------------
|
-----------------------------------------------------------------------
|
DCL => DCL_dec, SDC => SDC_dec,
|
DCL => DCL_dec, SDC => SDC_dec,
|
-----------------------------------------------------------------------
|
-----------------------------------------------------------------------
|
clr => clr
|
clr => clr
|
);
|
);
|
|
|
-- device trigger
|
-- device trigger
|
DT: if_func_DT port map(
|
DT: if_func_DT port map(
|
clk => clk,
|
clk => clk,
|
-----------------------------------------------------------------------
|
-----------------------------------------------------------------------
|
LADS => LADS, ACDS => ACDS,
|
LADS => LADS, ACDS => ACDS,
|
-----------------------------------------------------------------------
|
-----------------------------------------------------------------------
|
GET => GET_dec,
|
GET => GET_dec,
|
-----------------------------------------------------------------------
|
-----------------------------------------------------------------------
|
trg => trg
|
trg => trg
|
);
|
);
|
|
|
PP: if_func_PP port map(
|
PP: if_func_PP port map(
|
clk => clk,
|
clk => clk,
|
-----------------------------------------------------------------------
|
-----------------------------------------------------------------------
|
lpeUsed => lpeUsed, fixedPpLine => fixedPpLine,
|
lpeUsed => lpeUsed, fixedPpLine => fixedPpLine,
|
-----------------------------------------------------------------------
|
-----------------------------------------------------------------------
|
pon => reset, lpe => lpe, ist => ist,
|
pon => reset, lpe => lpe, ist => ist,
|
-----------------------------------------------------------------------
|
-----------------------------------------------------------------------
|
ACDS => ACDS, LADS => LADS,
|
ACDS => ACDS, LADS => LADS,
|
-----------------------------------------------------------------------
|
-----------------------------------------------------------------------
|
dio_data => DI(3 downto 0),
|
dio_data => DI(3 downto 0),
|
-----------------------------------------------------------------------
|
-----------------------------------------------------------------------
|
IDY => IDY_dec, PPE => PPE_dec, PPD => PPD_dec, PPC => PPC_dec,
|
IDY => IDY_dec, PPE => PPE_dec, PPD => PPD_dec, PPC => PPC_dec,
|
PPU => PPU_dec, PCG => PCG_dec,
|
PPU => PPU_dec, PCG => PCG_dec,
|
-----------------------------------------------------------------------
|
-----------------------------------------------------------------------
|
PPR => PPR_enc, ppBitValue => ppBitValue, ppLineNumber => ppLineNumber,
|
PPR => PPR_enc, ppBitValue => ppBitValue, ppLineNumber => ppLineNumber,
|
-----------------------------------------------------------------------
|
-----------------------------------------------------------------------
|
PPAS => PPAS
|
PPAS => PPAS
|
);
|
);
|
|
|
RL: if_func_RL port map(
|
RL: if_func_RL port map(
|
clk => clk,
|
clk => clk,
|
-----------------------------------------------------------------------
|
-----------------------------------------------------------------------
|
pon => reset, rtl => rtl,
|
pon => reset, rtl => rtl,
|
-----------------------------------------------------------------------
|
-----------------------------------------------------------------------
|
ACDS => ACDS, LADS => LADS,
|
ACDS => ACDS, LADS => LADS,
|
-----------------------------------------------------------------------
|
-----------------------------------------------------------------------
|
REN => REN_dec, LLO => LLO_dec, MLA => MLA_dec, GTL => GTL_dec,
|
REN => REN_dec, LLO => LLO_dec, MLA => MLA_dec, GTL => GTL_dec,
|
-----------------------------------------------------------------------
|
-----------------------------------------------------------------------
|
LOCS => LOCS, LWLS => LWLS
|
LOCS => LOCS, LWLS => LWLS
|
);
|
);
|
|
|
SR: if_func_SR port map(
|
SR: if_func_SR port map(
|
clk => clk,
|
clk => clk,
|
-----------------------------------------------------------------------
|
-----------------------------------------------------------------------
|
pon => reset, rsv => rsv,
|
pon => reset, rsv => rsv,
|
-----------------------------------------------------------------------
|
-----------------------------------------------------------------------
|
SPAS => SPAS,
|
SPAS => SPAS,
|
-----------------------------------------------------------------------
|
-----------------------------------------------------------------------
|
SRQ => SRQ_enc,
|
SRQ => SRQ_enc,
|
-----------------------------------------------------------------------
|
-----------------------------------------------------------------------
|
APRS => APRS
|
APRS => APRS
|
);
|
);
|
|
|
COMM_ENC: commandEcoder port map (
|
COMM_ENC: commandEcoder port map (
|
data => data, status_byte => status_byte,
|
data => data, status_byte => status_byte,
|
-------------------------------------------------------------------
|
-------------------------------------------------------------------
|
ppBitValue => ppBitValue, ppLineNumber => ppLineNumber,
|
ppBitValue => ppBitValue, ppLineNumber => ppLineNumber,
|
-------------------------------------------------------------------
|
-------------------------------------------------------------------
|
APRS => APRS, CACS => CACS,
|
APRS => APRS, CACS => CACS,
|
-------------------------------------------------------------------
|
-------------------------------------------------------------------
|
ATN => ATN_enc, END_OF => END_OF_enc, IDY => IDY_enc,
|
ATN => ATN_enc, END_OF => END_OF_enc, IDY => IDY_enc,
|
DAC => DAC_enc, RFD => RFD_enc, DAV => DAV_enc, IFC => IFC_enc,
|
DAC => DAC_enc, RFD => RFD_enc, DAV => DAV_enc, IFC => IFC_enc,
|
REN => REN_enc, SRQ => SRQ_enc, DAB => DAB_enc, EOS => EOS_enc,
|
REN => REN_enc, SRQ => SRQ_enc, DAB => DAB_enc, EOS => EOS_enc,
|
RQS => RQS_enc, STB => STB_enc, TCT => TCT_enc, PPR => PPR_enc,
|
RQS => RQS_enc, STB => STB_enc, TCT => TCT_enc, PPR => PPR_enc,
|
-------------------------------------------------------------------
|
-------------------------------------------------------------------
|
DO => DO, output_valid => output_valid,
|
DO => DO, output_valid => output_valid,
|
-------------------------------------------------------------------
|
-------------------------------------------------------------------
|
DAV_line => DAV_out, NRFD_line => NRFD_out, NDAC_line => NDAC_out,
|
DAV_line => DAV_out, NRFD_line => NRFD_out, NDAC_line => NDAC_out,
|
ATN_line => ATN_out, EOI_line => EOI_out, SRQ_line => SRQ_out,
|
ATN_line => ATN_out, EOI_line => EOI_out, SRQ_line => SRQ_out,
|
IFC_line => IFC_out, REN_line => REN_out
|
IFC_line => IFC_out, REN_line => REN_out
|
);
|
);
|
|
|
-- command decoder
|
-- command decoder
|
COMM_DEC: commandDecoder port map (
|
COMM_DEC: commandDecoder port map (
|
DI => DI, DAV_line => DAV_in, NRFD_line => NRFD_in,
|
DI => DI, DAV_line => DAV_in, NRFD_line => NRFD_in,
|
NDAC_line => NDAC_in, ATN_line => ATN_in, EOI_line => EOI_in,
|
NDAC_line => NDAC_in, ATN_line => ATN_in, EOI_line => EOI_in,
|
SRQ_line => SRQ_in, IFC_line => IFC_in, REN_line => REN_in,
|
SRQ_line => SRQ_in, IFC_line => IFC_in, REN_line => REN_in,
|
-----------------------------------------------------------------------
|
-----------------------------------------------------------------------
|
eosMark => eosMark, eosUsed =>eosUsed, myListAddr => myListAddr,
|
eosMark => eosMark, eosUsed =>eosUsed, myListAddr => myListAddr,
|
myTalkAddr => myTalkAddr, secAddrDetected => secAddrDetected,
|
myTalkAddr => myTalkAddr, secAddrDetected => secAddrDetected,
|
-----------------------------------------------------------------------
|
-----------------------------------------------------------------------
|
SPAS => SPAS,
|
SPAS => SPAS,
|
-----------------------------------------------------------------------
|
-----------------------------------------------------------------------
|
ATN => ATN_dec, DAC => DAC_dec, DAV => DAV_dec, END_c => END_c_dec,
|
ATN => ATN_dec, DAC => DAC_dec, DAV => DAV_dec, END_c => END_c_dec,
|
IDY => IDY_dec, IFC => IFC_dec, REN => REN_dec, RFD => RFD_dec,
|
IDY => IDY_dec, IFC => IFC_dec, REN => REN_dec, RFD => RFD_dec,
|
SRQ => SRQ_dec,
|
SRQ => SRQ_dec,
|
-----------------------------------------------------------------------
|
-----------------------------------------------------------------------
|
ACG => ACG_dec, DAB => DAB_dec, DCL => DCL_dec, EOS => EOS_dec,
|
ACG => ACG_dec, DAB => DAB_dec, DCL => DCL_dec, EOS => EOS_dec,
|
GET => GET_dec, GTL => GTL_dec, LAG => LAG_dec, LLO => LLO_dec,
|
GET => GET_dec, GTL => GTL_dec, LAG => LAG_dec, LLO => LLO_dec,
|
MLA => MLA_dec, MTA => MTA_dec, MSA => MSA_dec, NUL => NUL_dec,
|
MLA => MLA_dec, MTA => MTA_dec, MSA => MSA_dec, NUL => NUL_dec,
|
OSA => OSA_dec, OTA => OTA_dec, PCG => PCG_dec, PPC => PPC_dec,
|
OSA => OSA_dec, OTA => OTA_dec, PCG => PCG_dec, PPC => PPC_dec,
|
PPE => PPE_dec, PPD => PPD_dec, PPR => PPR_dec, PPU => PPU_dec,
|
PPE => PPE_dec, PPD => PPD_dec, PPR => PPR_dec, PPU => PPU_dec,
|
RQS => RQS_dec, SCG => SCG_dec, SDC => SDC_dec, SPD => SPD_dec,
|
RQS => RQS_dec, SCG => SCG_dec, SDC => SDC_dec, SPD => SPD_dec,
|
SPE => SPE_dec, STB => STB_dec, TAG => TAG_dec, TCT => TCT_dec,
|
SPE => SPE_dec, STB => STB_dec, TAG => TAG_dec, TCT => TCT_dec,
|
UCG => UCG_dec, UNL => UNL_dec, UNT => UNT_dec
|
UCG => UCG_dec, UNL => UNL_dec, UNT => UNT_dec
|
);
|
);
|
|
|
SECAD: SecondaryAddressDecoder port map (
|
SECAD: SecondaryAddressDecoder port map (
|
secAddrMask => secAddrMask, DI => DI(4 downto 0),
|
secAddrMask => secAddrMask, DI => DI(4 downto 0),
|
secAddrDetected => secAddrDetected
|
secAddrDetected => secAddrDetected
|
);
|
);
|
|
|
SECADS: SecAddrSaver port map (
|
SECADS: SecAddrSaver port map (
|
reset => reset,
|
reset => reset,
|
TADS => TADS, TPAS => TPAS, LADS => LADS, LPAS => LPAS,
|
TADS => TADS, TPAS => TPAS, LADS => LADS, LPAS => LPAS,
|
MSA_Dec => MSA_Dec, DI => DI(4 downto 0),
|
MSA_Dec => MSA_Dec, DI => DI(4 downto 0),
|
currentSecAddr => currentSecAddr
|
currentSecAddr => currentSecAddr
|
);
|
);
|
|
|
end Behavioral;
|
end Behavioral;
|
|
|
|
|
