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

103 lines
2.4 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_BOARD_BANDAI_DATACH_H
#define NST_BOARD_BANDAI_DATACH_H
#ifdef NST_PRAGMA_ONCE
#pragma once
#endif
#include "../NstBarcodeReader.hpp"
namespace Nes
{
namespace Core
{
namespace Boards
{
namespace Bandai
{
class Datach : public Lz93d50Ex
{
public:
explicit Datach(const Context&);
private:
class Reader : public BarcodeReader
{
public:
explicit Reader(Cpu&);
void Reset(bool=true);
void SaveState(State::Saver&,dword) const;
void LoadState(State::Loader&);
inline void Sync();
inline uint GetOutput() const;
private:
enum
{
MIN_DIGITS = 8,
MAX_DIGITS = 13,
MAX_DATA_LENGTH = 0x100,
END = 0xFF,
CC_INTERVAL = 1000
};
bool Transfer(cstring,uint);
bool IsTransferring() const;
bool IsDigitsSupported(uint) const;
NES_DECL_HOOK( Fetcher );
Cpu& cpu;
Cycle cycles;
uint output;
const byte* stream;
byte data[MAX_DATA_LENGTH];
};
void SubReset(bool);
void SubSave(State::Saver&) const;
void SubLoad(State::Loader&,dword);
void Sync(Event,Input::Controllers*);
Device QueryDevice(DeviceType);
NES_DECL_PEEK( 6000 );
Reader barcodeReader;
Io::Port p6000;
};
}
}
}
}
#endif