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WaveformCalculator.h
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/*
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* This file is part of reSID, a MOS6581 SID emulator engine.
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* Copyright (C) 2004 Dag Lem <resid@nimrod.no>
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) 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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* @author Ken Händel
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*
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*/
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#ifndef WAVEFORMCALCULATOR_h
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#define WAVEFORMCALCULATOR_h
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#include "siddefs-fp.h"
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#include "array.h"
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#include <map>
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namespace
reSIDfp
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{
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typedef
struct
{
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float
bias;
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float
pulsestrength;
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float
topbit;
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float
distance;
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float
stmix;
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}
CombinedWaveformConfig
;
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class
WaveformCalculator
{
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private
:
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std::map<const CombinedWaveformConfig*, array<short> > CACHE;
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/*
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* the "bits wrong" figures below are not directly comparable. 0 bits are very easy to predict, and waveforms that are mostly zero have low scores. More comparable scores would be found by
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* dividing with the count of 1-bits, or something.
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*/
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static
const
CombinedWaveformConfig
config[2][4];
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short
calculateCombinedWaveform(
CombinedWaveformConfig
config,
const
int
waveform,
const
int
accumulator)
const
;
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WaveformCalculator
() {}
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public
:
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static
WaveformCalculator
* getInstance();
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array<short>
*
buildTable
(
const
ChipModel model);
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};
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}
// namespace reSIDfp
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#endif
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