NullSid.h
/*
* This file is part of libsidplayfp, a SID player engine.
*
* Copyright 2012-2014 Leandro Nini <drfiemost@users.sourceforge.net>
* Copyright 2010 Antti Lankila
*
* This program 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.
*
* 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., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
*/
#ifndef NULLSID_H
#define NULLSID_H
#include "c64/c64sid.h"
#include "sidcxx11.h"
namespace libsidplayfp
{
class NullSid final : public c64sid
{
private:
NullSid() {}
virtual ~NullSid() {}
public:
static NullSid *getInstance()
{
static NullSid nullsid;
return &nullsid;
}
void reset(uint8_t) override {}
void write(uint_least8_t, uint8_t) override {}
uint8_t read(uint_least8_t) override { return 0xff; }
};
}
#endif // NULLSID_H
libsidplayfp::NullSid
Definition: NullSid.h:36
libsidplayfp::NullSid::getInstance
static NullSid * getInstance()
Definition: NullSid.h:45
libsidplayfp::c64sid
Definition: c64sid.h:38