iverilog/net_modulo.cc

/*
 * Copyright (c) 2000-2005 Stephen Williams (steve@icarus.com)
 *
 *    This source code is free software; you can redistribute it
 *    and/or modify it in source code form 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.
 *
 *    This program 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 this program; if not, write to the Free Software
 *    Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA
 */
#ifdef HAVE_CVS_IDENT
#ident "$Id: net_modulo.cc,v 1.9 2005/09/15 22:54:47 steve Exp $"
#endif

# include "config.h"

# include  <typeinfo>
# include  <iostream>
# include  <iomanip>
# include  <cassert>

# include  "netlist.h"
# include  "compiler.h"

/*
 *  0 -- Result
 *  1 -- DataA
 *  2 -- DataB
 */
NetModulo::NetModulo(NetScope*s, perm_string n, unsigned wr,
		     unsigned wa, unsigned wb)
: NetNode(s, n, 3),
  width_r_(wr), width_a_(wa), width_b_(wb)
{
      pin(0).set_dir(Link::OUTPUT);
      pin(0).set_name(perm_string::literal("Result"), 0);
      pin(1).set_dir(Link::INPUT);
      pin(1).set_name(perm_string::literal("DataA"), 0);
      pin(2).set_dir(Link::INPUT);
      pin(2).set_name(perm_string::literal("DataB"), 0);
}

NetModulo::~NetModulo()
{
}

unsigned NetModulo::width_r() const
{
      return width_r_;
}

unsigned NetModulo::width_a() const
{
      return width_a_;
}

unsigned NetModulo::width_b() const
{
      return width_b_;
}

Link& NetModulo::pin_Result()
{
      return pin(0);
}

const Link& NetModulo::pin_Result() const
{
      return pin(0);
}

Link& NetModulo::pin_DataA()
{
      return pin(1);
}

const Link& NetModulo::pin_DataA() const
{
      return pin(1);
}

Link& NetModulo::pin_DataB()
{
      return pin(2);
}

const Link& NetModulo::pin_DataB() const
{
      return pin(2);
}

/*
 * $Log: net_modulo.cc,v $
 * Revision 1.9  2005/09/15 22:54:47  steve
 *  Fix bug configuring NetModulo pins.
 *
 * Revision 1.8  2005/03/12 06:43:35  steve
 *  Update support for LPM_MOD.
 *
 * Revision 1.7  2004/02/18 17:11:56  steve
 *  Use perm_strings for named langiage items.
 *
 * Revision 1.6  2003/03/06 00:28:41  steve
 *  All NetObj objects have lex_string base names.
 *
 * Revision 1.5  2002/08/12 01:34:59  steve
 *  conditional ident string using autoconfig.
 *
 * Revision 1.4  2002/08/11 23:47:04  steve
 *  Add missing Log and Ident strings.
 *
 */