87 lines
2.6 KiB
C++
87 lines
2.6 KiB
C++
#ifndef __logic_H
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#define __logic_H
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/*
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* Copyright (c) 2000 Stephen Williams (steve@icarus.com)
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*
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* This source code is free software; you can redistribute it
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* and/or modify it in source code form under the terms of the GNU
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* General Public License as published by the Free Software
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* Foundation; either version 2 of the License, or (at your option)
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* any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA
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*/
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#ifdef HAVE_CVS_IDENT
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#ident "$Id: logic.h,v 1.6 2002/08/29 03:04:01 steve Exp $"
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#endif
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# include "functor.h"
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# include <stddef.h>
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/*
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* Table driven functor. oval = table[ival];
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*/
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class table_functor_s: public functor_s {
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public:
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typedef const unsigned char *truth_t;
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explicit table_functor_s(truth_t t, unsigned str0 =6, unsigned str1 =6);
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virtual ~table_functor_s();
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virtual void set(vvp_ipoint_t i, bool push, unsigned val, unsigned str);
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private:
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truth_t table;
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};
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// table functor types
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extern const unsigned char ft_AND[];
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extern const unsigned char ft_BUF[];
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extern const unsigned char ft_BUFIF0[];
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extern const unsigned char ft_BUFIF1[];
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extern const unsigned char ft_BUFZ[];
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extern const unsigned char ft_PMOS[];
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extern const unsigned char ft_NMOS[];
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extern const unsigned char ft_MUXX[];
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extern const unsigned char ft_MUXZ[];
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extern const unsigned char ft_EEQ[];
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extern const unsigned char ft_NAND[];
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extern const unsigned char ft_NOR[];
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extern const unsigned char ft_NOT[];
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extern const unsigned char ft_OR[];
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extern const unsigned char ft_XNOR[];
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extern const unsigned char ft_XOR[];
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extern const unsigned char ft_var[];
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/*
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* $Log: logic.h,v $
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* Revision 1.6 2002/08/29 03:04:01 steve
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* Generate x out for x select on wide muxes.
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*
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* Revision 1.5 2002/08/12 01:35:08 steve
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* conditional ident string using autoconfig.
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*
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* Revision 1.4 2002/07/05 20:08:44 steve
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* Count different types of functors.
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*
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* Revision 1.3 2002/01/12 04:02:16 steve
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* Support the BUFZ logic device.
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*
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* Revision 1.2 2001/12/14 02:04:49 steve
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* Support strength syntax on functors.
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*
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* Revision 1.1 2001/11/06 03:07:22 steve
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* Code rearrange. (Stephan Boettcher)
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*
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*/
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#endif // __logic_H
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