1 --------------------------------------------------------------------------
2 --
3 -- Copyright (C) 1993, Peter J. Ashenden
4 -- Mail: Dept. Computer Science
5 -- University of Adelaide, SA 5005, Australia
6 -- e-mail: petera@cs.adelaide.edu.au
7 --
8 -- This program is free software; you can redistribute it and/or modify
9 -- it under the terms of the GNU General Public License as published by
10 -- the Free Software Foundation; either version 1, or (at your option)
11 -- any later version.
12 --
13 -- This program is distributed in the hope that it will be useful,
14 -- but WITHOUT ANY WARRANTY; without even the implied warranty of
15 -- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
16 -- GNU General Public License for more details.
17 --
18 -- You should have received a copy of the GNU General Public License
19 -- along with this program; if not, write to the Free Software
20 -- Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
21 --
22 --------------------------------------------------------------------------
23 --
24 -- $RCSfile: dlx_types.vhdl,v $ $Revision: 1.1 $ $Date: 2000/05/08 14:36:48 $
25 --
26 --------------------------------------------------------------------------
27 --
28 -- Package specification for types used in dlx model
29 --
30
31
32 package dlx_types is
33
34 subtype dlx_word is bit_vector(0 to 31); -- bit 0 is msb
35 subtype dlx_halfword is bit_vector(0 to 15); -- bit 0 is msb
36 subtype dlx_byte is bit_vector(0 to 7); -- bit 0 is msb
37
38 type dlx_word_array is array (positive range <>) of dlx_word;
39 function resolve_dlx_word (values : in dlx_word_array) return dlx_word;
40 subtype dlx_word_bus is resolve_dlx_word dlx_word;
41
42 subtype dlx_address is bit_vector(31 downto 0); -- bit 0 is lsb
43
44 end dlx_types;
45
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