m3s022bo.vhd

来自「another 8051 core porocesssor vhdl sourc」· VHDL 代码 · 共 114 行

--*******************************************************************       --
--IMPORTANT NOTICE                                                          --
--================                                                          --
--Copyright Mentor Graphics Corporation 1996 - 1999.  All rights reserved.  --
--This file and associated deliverables are the trade secrets,              --
--confidential information and copyrighted works of Mentor Graphics         --
--Corporation and its licensors and are subject to your license agreement   --
--with Mentor Graphics Corporation.                                         --
--                                                                          --
--Use of these deliverables for the purpose of making silicon from an IC    --
--design is limited to the terms and conditions of your license agreement   --
--with Mentor Graphics If you have further questions please contact Mentor  --
--Graphics Customer Support.                                                --
--                                                                          --
--This Mentor Graphics core (m8051 v1999.120) was extracted on              --
--workstation hostid _hostid_ Inventra                                      --
--matrix decode of m8051
-- Copyright Mentor Graphics Corporation and Licensors 1998. All rights reserved
--v1.002
--*********************************************************************
--@(#)m3s022bo.vhd	1.2 04/08/99 SCCS Version Control

--File	        :       m3s022bo.vhd
--Created on    :       11th September 1995
--Purpose       :       matrix decode of m8051
--Version       :       1.002
--Mod Date      :       2nd April 1998
--Mod History	:       1.002 _e suffix removed from entity names.
--
--*********************************************************************
--Hierarchy record      :
--Called by             :m3s004bo.vhd
--Calls to              :None
--                      :
--                      :
--                      :
--*********************************************************************
library IEEE;

use IEEE.std_logic_1164.all;
library WORK;

--*********************************************************************
--Entity Definition
--*********************************************************************

entity m3s022bo is
--*******************************************************************       --
--IMPORTANT NOTICE                                                          --
--================                                                          --
--Copyright Mentor Graphics Corporation 1996 - 1999.  All rights reserved.  --
--This file and associated deliverables are the trade secrets,              --
--confidential information and copyrighted works of Mentor Graphics         --
--Corporation and its licensors and are subject to your license agreement   --
--with Mentor Graphics Corporation.                                         --
--                                                                          --
--Use of these deliverables for the purpose of making silicon from an IC    --
--design is limited to the terms and conditions of your license agreement   --
--with Mentor Graphics If you have further questions please contact Mentor  --
--Graphics Customer Support.                                                --
--                                                                          --
--This Mentor Graphics core (m8051 v1999.120) was extracted on              --
--workstation hostid _hostid_ Inventra                                      --
       port(LODEC:
            out std_logic_vector(7 downto 0);
            HIDEC:
            out std_logic_vector(15 downto 0);
            OPC: 
            in std_logic_vector(7 downto 0)
            );       
end m3s022bo;
--*********************************************************************
--Architecture definition
--*********************************************************************
architecture m3s022bo_rtl of m3s022bo is
--*********************************************************************

begin
--*********************************************************************
--Process Definitions
--*********************************************************************
matr:process(OPC)
begin
   LODEC(0) <= not(OPC(0) or OPC(1) or OPC(2) or OPC(3));
   LODEC(1) <= not((not OPC(0)) or OPC(1) or OPC(2) or OPC(3));
   LODEC(2) <= not(OPC(0) or (not OPC(1)) or OPC(2) or OPC(3));
   LODEC(3) <= not((not OPC(0)) or (not OPC(1)) or OPC(2) or OPC(3));
   LODEC(4) <= not(OPC(0) or OPC(1) or (not OPC(2)) or OPC(3));
   LODEC(5) <= not((not OPC(0)) or OPC(1) or (not OPC(2)) or OPC(3));
   LODEC(6) <= not(OPC(0) or (not OPC(1)) or (not OPC(2)) or OPC(3));
   LODEC(7) <= not((not OPC(0)) or (not OPC(1)) or (not OPC(2)) or OPC(3));

   HIDEC(0) <= not(OPC(4) or OPC(5) or OPC(6) or OPC(7));
   HIDEC(1) <= not((not OPC(4)) or OPC(5) or OPC(6) or OPC(7));
   HIDEC(2) <= not(OPC(4) or (not OPC(5)) or OPC(6) or OPC(7));
   HIDEC(3) <= not((not OPC(4)) or (not OPC(5)) or OPC(6) or OPC(7));
   HIDEC(4) <= not(OPC(4) or OPC(5) or (not OPC(6)) or OPC(7));
   HIDEC(5) <= not((not OPC(4)) or OPC(5) or (not OPC(6)) or OPC(7));
   HIDEC(6) <= not(OPC(4) or (not OPC(5)) or (not OPC(6)) or OPC(7));
   HIDEC(7) <= not((not OPC(4)) or (not OPC(5)) or (not OPC(6)) or OPC(7));
   HIDEC(8) <= not(OPC(4) or OPC(5) or OPC(6) or (not OPC(7)));
   HIDEC(9) <= not((not OPC(4)) or OPC(5) or OPC(6) or (not OPC(7)));
   HIDEC(10) <= not(OPC(4) or (not OPC(5)) or OPC(6) or (not OPC(7)));
   HIDEC(11) <= not((not OPC(4)) or (not OPC(5)) or OPC(6) or (not OPC(7)));
   HIDEC(12) <= not(OPC(4) or OPC(5) or (not OPC(6)) or (not OPC(7)));
   HIDEC(13) <= not((not OPC(4)) or OPC(5) or (not OPC(6)) or (not OPC(7)));
   HIDEC(14) <= not(OPC(4) or (not OPC(5)) or (not OPC(6)) or (not OPC(7)));
   HIDEC(15) <= not((not OPC(4)) or (not OPC(5)) or (not OPC(6)) or not OPC(7));

end process matr;
--*********************************************************************
end m3s022bo_rtl;
--*********************************************************************