nestopia/source/core/NstSoundRenderer.cpp
2012-09-02 13:13:55 -04:00

66 lines
1.7 KiB
C++

////////////////////////////////////////////////////////////////////////////////////////
//
// Nestopia - NES/Famicom emulator written in C++
//
// Copyright (C) 2003-2008 Martin Freij
//
// This file is part of Nestopia.
//
// Nestopia 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.
//
// Nestopia 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 Nestopia; if not, write to the Free Software
// Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
//
////////////////////////////////////////////////////////////////////////////////////////
#include <algorithm>
#include "NstCpu.hpp"
#include "NstSoundRenderer.hpp"
namespace Nes
{
namespace Core
{
namespace Sound
{
#ifdef NST_MSVC_OPTIMIZE
#pragma optimize("s", on)
#endif
Buffer::Buffer(uint bits)
: output(new iword [SIZE])
{
Reset( bits, true );
}
Buffer::~Buffer()
{
delete [] output;
}
void Buffer::Reset(uint bits,bool clear)
{
pos = start = 0;
history.pos = 0;
std::fill( history.buffer, history.buffer+History::SIZE, iword(bits == 16 ? 0 : 0x80) );
if (clear)
std::fill( output, output+SIZE, iword(0) );
}
#ifdef NST_MSVC_OPTIMIZE
#pragma optimize("", on)
#endif
}
}
}