diff options
Diffstat (limited to 'testsuite/synth/issue2273/dcml_adjust_.vhd')
| -rw-r--r-- | testsuite/synth/issue2273/dcml_adjust_.vhd | 89 |
1 files changed, 89 insertions, 0 deletions
diff --git a/testsuite/synth/issue2273/dcml_adjust_.vhd b/testsuite/synth/issue2273/dcml_adjust_.vhd new file mode 100644 index 000000000..8e86e7dff --- /dev/null +++ b/testsuite/synth/issue2273/dcml_adjust_.vhd @@ -0,0 +1,89 @@ +------------------------------------------------------------------------------- +-- -- +-- X X XXXXXX XXXXXX XXXXXX XXXXXX X -- +-- XX XX X X X X X X X XX -- +-- X X X X X X X X X X X X -- +-- X X X X X X X X X X X X -- +-- X X X X XXXXXX X X XXXXXX X -- +-- X X X X X X X X X -- +-- X X X X X X X X X -- +-- X X X X X X X X X X -- +-- X X XXXXXX XXXXXX XXXXXX XXXXXX X -- +-- -- +-- -- +-- O R E G A N O S Y S T E M S -- +-- -- +-- Design & Consulting -- +-- -- +------------------------------------------------------------------------------- +-- -- +-- Web: http://www.oregano.at/ -- +-- -- +-- Contact: mc8051@oregano.at -- +-- -- +------------------------------------------------------------------------------- +-- -- +-- MC8051 - VHDL 8051 Microcontroller IP Core -- +-- Copyright (C) 2001 OREGANO SYSTEMS -- +-- -- +-- This library is free software; you can redistribute it and/or -- +-- modify it under the terms of the GNU Lesser General Public -- +-- License as published by the Free Software Foundation; either -- +-- version 2.1 of the License, or (at your option) any later version. -- +-- -- +-- This library 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 -- +-- Lesser General Public License for more details. -- +-- -- +-- Full details of the license can be found in the file LGPL.TXT. -- +-- -- +-- You should have received a copy of the GNU Lesser General Public -- +-- License along with this library; if not, write to the Free Software -- +-- Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA -- +-- -- +------------------------------------------------------------------------------- +-- +-- +-- Author: Roland Höller +-- +-- Filename: dcml_adjust_.vhd +-- +-- Date of Creation: Mon Aug 9 12:14:48 1999 +-- +-- Version: $Revision: 1.4 $ +-- +-- Date of Latest Version: $Date: 2002-01-07 12:17:44 $ +-- +-- +-- Description: Combinational design to calculate the decimal +-- representation (BCD) of a data bus. +-- +-- +-- +-- +------------------------------------------------------------------------------- +library IEEE; +use IEEE.std_logic_1164.all; +use IEEE.std_logic_arith.all; + +-----------------------------ENTITY DECLARATION-------------------------------- + +entity dcml_adjust is + + generic (DWIDTH : integer := 12); + + port (data_i : in std_logic_vector(DWIDTH-1 downto 0); + cy_i : in std_logic_vector((DWIDTH-1)/4 downto 0); + data_o : out std_logic_vector(DWIDTH-1 downto 0); + cy_o : out std_logic); + + ----------------------------------------------------------------------------- + -- data_i .......... Data bus + -- cy_i ............ Carry flags (one for each nibble) + -- data_o .......... Adjusted data bus + -- cy_o ............ New overall carry flag + ----------------------------------------------------------------------------- + +end dcml_adjust; + |