www.pudn.com > Nestopia137src.zip > NstApiEmulator.cpp

//////////////////////////////////////////////////////////////////////////////////////// 
// 
// Nestopia - NES/Famicom emulator written in C++ 
// 
// Copyright (C) 2003-2007 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  
#include "../NstMachine.hpp" 
#include "NstApiEmulator.hpp" 
 
namespace Nes 
{ 
	namespace Api 
	{ 
		#ifdef NST_MSVC_OPTIMIZE 
		#pragma optimize("s", on) 
		#endif 
 
		Emulator::Emulator() 
		: machine(*new Core::Machine) 
		{ 
		} 
 
		Emulator::~Emulator() throw() 
		{ 
			delete &machine; 
		} 
 
		#ifdef NST_MSVC_OPTIMIZE 
		#pragma optimize("", on) 
		#endif 
 
		Result Emulator::Execute 
		( 
			Core::Video::Output* video, 
			Core::Sound::Output* sound, 
			Core::Input::Controllers* input 
		)   throw() 
		{ 
			try 
			{ 
				return machine.tracker.Execute( machine, video, sound, input ); 
			} 
			catch (Result result) 
			{ 
				return machine.PowerOff( result ); 
			} 
			catch (std::bad_alloc&) 
			{ 
				return machine.PowerOff( RESULT_ERR_OUT_OF_MEMORY ); 
			} 
			catch (...) 
			{ 
				return machine.PowerOff( RESULT_ERR_GENERIC ); 
			} 
		} 
 
		ulong Emulator::Frame() const throw() 
		{ 
			return machine.tracker.Frame(); 
		} 
	} 
}