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-- $Id: pdp11_ubmap.vhd 335 2010-10-24 22:24:23Z mueller $
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-- $Id: pdp11_ubmap.vhd 427 2011-11-19 21:04:11Z mueller $
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--
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--
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-- Copyright 2008-2010 by Walter F.J. Mueller <W.F.J.Mueller@gsi.de>
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-- Copyright 2008-2011 by Walter F.J. Mueller <W.F.J.Mueller@gsi.de>
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--
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--
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-- This program is free software; you may redistribute and/or modify it under
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-- This program is free software; you may redistribute and/or modify it under
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-- the terms of the GNU General Public License as published by the Free
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-- the terms of the GNU General Public License as published by the Free
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-- Software Foundation, either version 2, or at your option any later version.
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-- Software Foundation, either version 2, or at your option any later version.
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--
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--
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--
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--
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-- Dependencies: memlib/ram_1swar_gen
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-- Dependencies: memlib/ram_1swar_gen
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-- ib_sel
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-- ib_sel
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-- Test bench: tb/tb_pdp11_core (implicit)
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-- Test bench: tb/tb_pdp11_core (implicit)
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-- Target Devices: generic
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-- Target Devices: generic
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-- Tool versions: xst 8.1, 8.2, 9.1, 9.2, 12.1; ghdl 0.18-0.29
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-- Tool versions: xst 8.2, 9.1, 9.2, 12.1, 13.1; ghdl 0.18-0.29
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--
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--
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-- Revision History:
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-- Revision History:
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-- Date Rev Version Comment
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-- Date Rev Version Comment
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-- 2011-11-18 427 1.1.2 now numeric_std clean
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-- 2010-10-23 335 1.1.1 use ib_sel
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-- 2010-10-23 335 1.1.1 use ib_sel
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-- 2010-10-17 333 1.1 use ibus V2 interface
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-- 2010-10-17 333 1.1 use ibus V2 interface
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-- 2008-08-22 161 1.0.1 use iblib
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-- 2008-08-22 161 1.0.1 use iblib
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-- 2008-01-27 115 1.0 Initial version
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-- 2008-01-27 115 1.0 Initial version
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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 ieee.std_logic_arith.all;
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use ieee.numeric_std.all;
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use work.slvtypes.all;
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use work.slvtypes.all;
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use work.memlib.all;
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use work.memlib.all;
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use work.iblib.all;
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use work.iblib.all;
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use work.pdp11.all;
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use work.pdp11.all;
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);
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);
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end pdp11_ubmap;
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end pdp11_ubmap;
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architecture syn of pdp11_ubmap is
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architecture syn of pdp11_ubmap is
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constant ibaddr_ubmap : slv16 := conv_std_logic_vector(8#170200#,16);
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constant ibaddr_ubmap : slv16 := slv(to_unsigned(8#170200#,16));
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signal IBSEL_UBMAP : slbit := '0';
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signal IBSEL_UBMAP : slbit := '0';
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signal MAP_2_WE : slbit := '0';
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signal MAP_2_WE : slbit := '0';
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signal MAP_1_WE : slbit := '0';
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signal MAP_1_WE : slbit := '0';
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MAP_ADDR <= iaddr;
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MAP_ADDR <= iaddr;
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MAP_2_WE <= iwe2;
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MAP_2_WE <= iwe2;
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MAP_1_WE <= iwe1;
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MAP_1_WE <= iwe1;
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MAP_0_WE <= iwe0;
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MAP_0_WE <= iwe0;
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ADDR_PM <= unsigned(MAP_DOUT) + unsigned("000000000"&ADDR_UB(12 downto 1));
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ADDR_PM <= slv(unsigned(MAP_DOUT) +
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unsigned("000000000"&ADDR_UB(12 downto 1)));
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IB_SRES.ack <= IBSEL_UBMAP and (IB_MREQ.re or IB_MREQ.we);
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IB_SRES.ack <= IBSEL_UBMAP and (IB_MREQ.re or IB_MREQ.we);
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IB_SRES.busy <= ibusy;
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IB_SRES.busy <= ibusy;
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IB_SRES.dout <= idout;
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IB_SRES.dout <= idout;
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