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Diffstat (limited to 'testsuite/vests/vhdl-93/ashenden/compliant/ch_15_alut.vhd')
| -rw-r--r-- | testsuite/vests/vhdl-93/ashenden/compliant/ch_15_alut.vhd | 47 |
1 files changed, 47 insertions, 0 deletions
diff --git a/testsuite/vests/vhdl-93/ashenden/compliant/ch_15_alut.vhd b/testsuite/vests/vhdl-93/ashenden/compliant/ch_15_alut.vhd new file mode 100644 index 000000000..f77643471 --- /dev/null +++ b/testsuite/vests/vhdl-93/ashenden/compliant/ch_15_alut.vhd @@ -0,0 +1,47 @@ + +-- 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_15_alut.vhd,v 1.3 2001-11-03 23:19:37 paw Exp $ +-- $Revision: 1.3 $ +-- +-- --------------------------------------------------------------------- + +library ieee; +use ieee.std_logic_1164.all; + +package alu_types is + + subtype alu_func is std_logic_vector(3 downto 0); + + constant alu_add : alu_func := "0000"; + constant alu_addu : alu_func := "0001"; + constant alu_sub : alu_func := "0010"; + constant alu_subu : alu_func := "0011"; + constant alu_and : alu_func := "0100"; + constant alu_or : alu_func := "0101"; + constant alu_xor : alu_func := "0110"; + constant alu_sll : alu_func := "1000"; + constant alu_srl : alu_func := "1001"; + constant alu_sra : alu_func := "1010"; + constant alu_pass_s1 : alu_func := "1100"; + constant alu_pass_s2 : alu_func := "1101"; + +end package alu_types; |