nestopia/source/core/NstPatcherUps.hpp
2012-09-02 13:13:55 -04:00

80 lines
1.9 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
//
////////////////////////////////////////////////////////////////////////////////////////
#ifndef NST_UPS_H
#define NST_UPS_H
#ifdef NST_PRAGMA_ONCE
#pragma once
#endif
namespace Nes
{
namespace Core
{
class Ups
{
public:
Ups();
~Ups();
static bool IsUps(std::istream&);
Result Load(std::istream&,bool);
Result Save(std::ostream&) const;
Result Test(std::istream&,bool) const;
Result Test(const byte* NST_RESTRICT,dword,bool) const;
Result Create(const byte*,const byte*,dword);
bool Patch(const byte*,byte*,dword,dword=0) const;
void Destroy();
private:
class Reader;
class Writer;
enum
{
MAX_SIZE = SIZE_16384K,
MAX_OFFSET = SIZE_16384K
};
dword srcSize;
dword srcCrc;
dword dstSize;
dword dstCrc;
byte* patch;
public:
bool Empty() const
{
return dstSize == 0;
}
};
}
}
#endif