mirror of
https://github.com/0ldsk00l/nestopia.git
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82 lines
2.1 KiB
C++
82 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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#include "NstBoard.hpp"
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#include "NstBoardWaixing.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 Boards
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{
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namespace Waixing
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{
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#ifdef NST_MSVC_OPTIMIZE
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#pragma optimize("s", on)
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#endif
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void Ps2::SubReset(bool)
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{
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Map( 0x8000U, 0xFFFFU, &Ps2::Poke_8000 );
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prg.SwapBank<SIZE_32K,0x0000>(0);
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}
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#ifdef NST_MSVC_OPTIMIZE
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#pragma optimize("", on)
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#endif
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NES_POKE_AD(Ps2,8000)
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{
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ppu.SetMirroring( (data & 0x40) ? Ppu::NMT_H : Ppu::NMT_V );
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const uint flip = data >> 7;
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data = data << 1 & 0xFE;
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switch (address & 0xFFF)
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{
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case 0x000:
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prg.SwapBanks<SIZE_8K,0x0000>( (data+0) ^ flip, (data+1) ^ flip, (data+2) ^ flip, (data+3) ^ flip );
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break;
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case 0x002:
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data |= flip;
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prg.SwapBanks<SIZE_8K,0x0000>( data, data, data, data );
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break;
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case 0x001:
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case 0x003:
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data |= flip;
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prg.SwapBanks<SIZE_8K,0x0000>( data, data+1, data + (~address >> 1 & 1), data+1 );
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break;
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}
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}
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}
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}
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}
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}
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