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92 lines
2.1 KiB
C++
92 lines
2.1 KiB
C++
////////////////////////////////////////////////////////////////////////////////////////
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//
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// Nestopia - NES/Famicom emulator written in C++
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//
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// Copyright (C) 2003-2008 Martin Freij
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//
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// This file is part of Nestopia.
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//
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// Nestopia 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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// Nestopia 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 Nestopia; 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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////////////////////////////////////////////////////////////////////////////////////////
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#ifndef NST_INPUT_BARCODEWORLD_H
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#define NST_INPUT_BARCODEWORLD_H
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#ifdef NST_PRAGMA_ONCE
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#pragma once
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#endif
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#include "../NstBarcodeReader.hpp"
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namespace Nes
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{
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namespace Core
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{
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namespace Input
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{
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class BarcodeWorld : public Device
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{
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public:
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explicit BarcodeWorld(const Cpu&);
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private:
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void Reset();
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void LoadState(State::Loader&,dword);
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void SaveState(State::Saver&,byte) const;
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uint Peek(uint);
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class Reader : public BarcodeReader
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{
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public:
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void Reset();
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uint Read();
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void LoadState(State::Loader&,dword);
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void SaveState(State::Saver&,byte) const;
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private:
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bool Transfer(cstring,uint);
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bool IsTransferring() const;
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bool IsDigitsSupported(uint) const;
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enum
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{
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NUM_DIGITS = 13,
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MAX_DATA_LENGTH = 0x100,
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END = 0xFF
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};
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const byte* stream;
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byte data[MAX_DATA_LENGTH];
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};
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Reader reader;
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public:
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BarcodeReader& GetReader()
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{
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return reader;
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}
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};
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}
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}
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}
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#endif
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