www.pudn.com > Nestopia137src.zip > NstBrdA65AS.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 "../NstMapper.hpp" 
#include "NstBrdA65AS.hpp" 
 
namespace Nes 
{ 
	namespace Core 
	{ 
		namespace Boards 
		{ 
			#ifdef NST_MSVC_OPTIMIZE 
			#pragma optimize("s", on) 
			#endif 
 
			void A65AS::SubReset(const bool hard) 
			{ 
				Map( 0x8000U, 0xFFFFU, &A65AS::Poke_Prg ); 
 
				if (hard) 
					NES_DO_POKE(Prg,0x8000,0x00); 
			} 
 
			#ifdef NST_MSVC_OPTIMIZE 
			#pragma optimize("", on) 
			#endif 
 
			NES_POKE_D(A65AS,Prg) 
			{ 
				if (data & 0x40) 
					prg.SwapBank( data >> 1 & 0xF ); 
				else 
					prg.SwapBanks( (data >> 1 & 0x18) | (data & 0x7), (data >> 1 & 0x18) | 0x7 ); 
 
				ppu.SetMirroring 
				( 
					(data & 0x80) ? (data & 0x20) ? Ppu::NMT_ONE : Ppu::NMT_ZERO : 
									(data & 0x08) ? Ppu::NMT_HORIZONTAL : Ppu::NMT_VERTICAL 
				); 
			} 
		} 
	} 
}