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-- Copyright (C) 1996 Morgan Kaufmann Publishers, Inc
-- This file is part of VESTs (Vhdl tESTs).
-- VESTs is free software; you can redistribute it and/or modify it
-- under the terms of the GNU General Public License as published by the
-- Free Software Foundation; either version 2 of the License, or (at
-- your option) any later version.
-- VESTs 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 more details.
-- You should have received a copy of the GNU General Public License
-- along with VESTs; if not, write to the Free Software Foundation,
-- Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-- ---------------------------------------------------------------------
--
-- $Id: ch_04_ch_04_06.vhd,v 1.2 2001-10-26 16:29:33 paw Exp $
-- $Revision: 1.2 $
--
-- ---------------------------------------------------------------------
entity ch_04_06 is
end entity ch_04_06;
----------------------------------------------------------------
--library ieee; use ieee.std_logic_1164.std_ulogic;
library ieee; use ieee.std_logic_1164.all;
architecture test of ch_04_06 is
-- code from book:
type std_ulogic_vector is array ( natural range <> ) of std_ulogic;
--
subtype std_ulogic_word is std_ulogic_vector(0 to 31);
--
signal csr_offset : std_ulogic_vector(2 downto 1);
-- end of code from book
begin
process_04_2_b : process is
-- code from book:
type string is array (positive range <>) of character;
--
constant LCD_display_len : positive := 20;
subtype LCD_display_string is string(1 to LCD_display_len);
variable LCD_display : LCD_display_string := (others => ' ');
--
type bit_vector is array (natural range <>) of bit;
--
subtype byte is bit_vector(7 downto 0);
--
variable channel_busy_register : bit_vector(1 to 4);
--
constant ready_message : string := "Ready ";
--
variable current_test : std_ulogic_vector(0 to 13) := "ZZZZZZZZZZ----";
--
constant all_ones : std_ulogic_vector(15 downto 0) := X"FFFF";
-- end of code from book
begin
-- code from book:
channel_busy_register := b"0000";
-- end of code from book
wait;
end process process_04_2_b;
end architecture test;
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