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[/] [w11/] [tags/] [w11a_V0.61/] [rtl/] [ibus/] [ib_sres_or_4.vhd] - Rev 28
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-- $Id: ib_sres_or_4.vhd 335 2010-10-24 22:24:23Z mueller $ -- -- Copyright 2007-2010 by Walter F.J. Mueller <W.F.J.Mueller@gsi.de> -- -- This program is free software; you may redistribute and/or modify it under -- the terms of the GNU General Public License as published by the Free -- Software Foundation, either version 2, or at your option any later version. -- -- This program is distributed in the hope that it will be useful, but -- WITHOUT ANY WARRANTY, without even the implied warranty of MERCHANTABILITY -- or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License -- for complete details. -- ------------------------------------------------------------------------------ -- Module Name: ib_sres_or_4 - syn -- Description: ibus: result or, 4 input -- -- Dependencies: - -- Test bench: tb/tb_pdp11_core (implicit) -- Target Devices: generic -- Tool versions: xst 8.1, 8.2, 9.1, 9.2, 12.1; ghdl 0.18-0.29 -- -- Revision History: -- Date Rev Version Comment -- 2010-10-23 335 1.1 add ib_sres_or_mon -- 2008-08-22 161 1.0.2 renamed pdp11_ibres_ -> ib_sres_; use iblib -- 2008-01-05 110 1.0.1 rename IB_MREQ(ena->req) SRES(sel->ack, hold->busy) -- 2007-12-29 107 1.0 Initial version ------------------------------------------------------------------------------ library ieee; use ieee.std_logic_1164.all; use work.slvtypes.all; use work.iblib.all; -- ---------------------------------------------------------------------------- entity ib_sres_or_4 is -- ibus result or, 4 input port ( IB_SRES_1 : in ib_sres_type; -- ib_sres input 1 IB_SRES_2 : in ib_sres_type := ib_sres_init; -- ib_sres input 2 IB_SRES_3 : in ib_sres_type := ib_sres_init; -- ib_sres input 3 IB_SRES_4 : in ib_sres_type := ib_sres_init; -- ib_sres input 4 IB_SRES_OR : out ib_sres_type -- ib_sres or'ed output ); end ib_sres_or_4; architecture syn of ib_sres_or_4 is begin proc_comb : process (IB_SRES_1, IB_SRES_2, IB_SRES_3, IB_SRES_4) begin IB_SRES_OR.ack <= IB_SRES_1.ack or IB_SRES_2.ack or IB_SRES_3.ack or IB_SRES_4.ack; IB_SRES_OR.busy <= IB_SRES_1.busy or IB_SRES_2.busy or IB_SRES_3.busy or IB_SRES_4.busy; IB_SRES_OR.dout <= IB_SRES_1.dout or IB_SRES_2.dout or IB_SRES_3.dout or IB_SRES_4.dout; end process proc_comb; -- synthesis translate_off ORMON : ib_sres_or_mon port map ( IB_SRES_1 => IB_SRES_1, IB_SRES_2 => IB_SRES_2, IB_SRES_3 => IB_SRES_3, IB_SRES_4 => IB_SRES_4 ); -- synthesis translate_on end syn;
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