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Line 1... |
-------------------------------------------------------------------------------
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-------------------------------------------------------------------------------
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--
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--
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-- The Port 2 unit.
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-- The Port 2 unit.
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-- Implements the Port 2 logic.
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-- Implements the Port 2 logic.
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--
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--
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-- $Id: p2.vhd,v 1.4 2004-04-24 23:44:25 arniml Exp $
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-- $Id: p2.vhd,v 1.5 2004-05-17 13:52:46 arniml Exp $
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--
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--
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-- All rights reserved
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-- All rights reserved
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--
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--
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-- Redistribution and use in source and synthezised forms, with or without
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-- Redistribution and use in source and synthezised forms, with or without
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-- modification, are permitted provided that the following conditions are met:
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-- modification, are permitted provided that the following conditions are met:
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| Line 168... |
Line 168... |
read_exp_i)
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read_exp_i)
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begin
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begin
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data_o <= (others => bus_idle_level_c);
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data_o <= (others => bus_idle_level_c);
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|
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if read_p2_i then
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if read_p2_i then
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data_o <= p2_i;
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if read_reg_i then
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elsif read_reg_i then
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data_o <= p2_q;
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data_o <= p2_q;
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elsif read_exp_i then
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elsif read_exp_i then
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data_o <= "0000" & p2_i(nibble_t'range);
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data_o <= "0000" & p2_i(nibble_t'range);
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else
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data_o <= p2_i;
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end if;
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end if;
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end if;
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end process p2_data;
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end process p2_data;
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--
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--
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-----------------------------------------------------------------------------
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-----------------------------------------------------------------------------
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| Line 192... |
Line 194... |
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-------------------------------------------------------------------------------
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-------------------------------------------------------------------------------
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-- File History:
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-- File History:
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--
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--
|
-- $Log: not supported by cvs2svn $
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-- $Log: not supported by cvs2svn $
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-- Revision 1.4 2004/04/24 23:44:25 arniml
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-- move from std_logic_arith to numeric_std
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--
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-- Revision 1.3 2004/03/29 19:39:58 arniml
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-- Revision 1.3 2004/03/29 19:39:58 arniml
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-- rename pX_limp to pX_low_imp
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-- rename pX_limp to pX_low_imp
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--
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--
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-- Revision 1.2 2004/03/28 13:11:43 arniml
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-- Revision 1.2 2004/03/28 13:11:43 arniml
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-- rework Port 2 expander handling
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-- rework Port 2 expander handling
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