www.pudn.com > Nestopia137src.zip > NstBrdAx5705.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 "NstBrdAx5705.hpp" 
 
namespace Nes 
{ 
	namespace Core 
	{ 
		namespace Boards 
		{ 
			#ifdef NST_MSVC_OPTIMIZE 
			#pragma optimize("s", on) 
			#endif 
 
			void Ax5705::SubReset(bool) 
			{ 
				for (uint i=0x0000; i < 0x1000; i += 0x10) 
				{ 
					Map( i + 0x8000, &Ax5705::Poke_8000 ); 
					Map( i + 0x8008, NMT_SWAP_HV        ); 
					Map( i + 0xA000, &Ax5705::Poke_8000 ); 
					Map( i + 0xA008, &Ax5705::Poke_A008 ); 
					Map( i + 0xA009, &Ax5705::Poke_A009 ); 
					Map( i + 0xA00A, &Ax5705::Poke_A00A ); 
					Map( i + 0xA00B, &Ax5705::Poke_A00B ); 
					Map( i + 0xC000, &Ax5705::Poke_C000 ); 
					Map( i + 0xC001, &Ax5705::Poke_C001 ); 
					Map( i + 0xC002, &Ax5705::Poke_C002 ); 
					Map( i + 0xC003, &Ax5705::Poke_C003 ); 
					Map( i + 0xC008, &Ax5705::Poke_C008 ); 
					Map( i + 0xC009, &Ax5705::Poke_C009 ); 
					Map( i + 0xC00A, &Ax5705::Poke_C00A ); 
					Map( i + 0xC00B, &Ax5705::Poke_C00B ); 
					Map( i + 0xE000, &Ax5705::Poke_E000 ); 
					Map( i + 0xE001, &Ax5705::Poke_E001 ); 
					Map( i + 0xE002, &Ax5705::Poke_E002 ); 
					Map( i + 0xE003, &Ax5705::Poke_E003 ); 
				} 
			} 
 
			#ifdef NST_MSVC_OPTIMIZE 
			#pragma optimize("", on) 
			#endif 
 
			NES_POKE_AD(Ax5705,8000) 
			{ 
				prg.SwapBank( address & 0x2000, (data << 2 & 0x8) | (data & 0x5) | (data >> 2 & 0x2) ); 
			} 
 
			void Ax5705::SwapChr(uint address,uint data) const 
			{ 
				ppu.Update(); 
				chr.SwapBank( address, data ); 
			} 
 
			void Ax5705::SwapChrLo(uint address,uint data) const 
			{ 
				SwapChr( address, (data & 0x0F) | (chr.GetBank(address) & 0xF0) ); 
			} 
 
			void Ax5705::SwapChrHi(uint address,uint data) const 
			{ 
				SwapChr( address, (chr.GetBank(address) & 0x0F) | (data << 3 & 0x20) | (data << 5 & 0x40) | (data << 4 & 0x90) ); 
			} 
 
			NES_POKE_D(Ax5705,A008) { SwapChrLo( 0x0000, data ); } 
			NES_POKE_D(Ax5705,A009) { SwapChrHi( 0x0000, data ); } 
			NES_POKE_D(Ax5705,A00A) { SwapChrLo( 0x0400, data ); } 
			NES_POKE_D(Ax5705,A00B) { SwapChrHi( 0x0400, data ); } 
			NES_POKE_D(Ax5705,C000) { SwapChrLo( 0x0800, data ); } 
			NES_POKE_D(Ax5705,C001) { SwapChrHi( 0x0800, data ); } 
			NES_POKE_D(Ax5705,C002) { SwapChrLo( 0x0C00, data ); } 
			NES_POKE_D(Ax5705,C003) { SwapChrHi( 0x0C00, data ); } 
			NES_POKE_D(Ax5705,C008) { SwapChrLo( 0x1000, data ); } 
			NES_POKE_D(Ax5705,C009) { SwapChrHi( 0x1000, data ); } 
			NES_POKE_D(Ax5705,C00A) { SwapChrLo( 0x1400, data ); } 
			NES_POKE_D(Ax5705,C00B) { SwapChrHi( 0x1400, data ); } 
			NES_POKE_D(Ax5705,E000) { SwapChrLo( 0x1800, data ); } 
			NES_POKE_D(Ax5705,E001) { SwapChrHi( 0x1800, data ); } 
			NES_POKE_D(Ax5705,E002) { SwapChrLo( 0x1C00, data ); } 
			NES_POKE_D(Ax5705,E003) { SwapChrHi( 0x1C00, data ); } 
		} 
	} 
}