mirror of
https://github.com/0ldsk00l/nestopia.git
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91 lines
2.4 KiB
C++
91 lines
2.4 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 "NstBoardUxRom.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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#ifdef NST_MSVC_OPTIMIZE
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#pragma optimize("s", on)
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#endif
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void UxRom::SubReset(bool)
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{
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switch (board.GetId())
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{
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case Type::STD_UNROM:
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case Type::STD_UOROM:
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Map( PRG_SWAP_16K_0_BC );
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break;
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case Type::STD_UN1ROM:
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Map( 0x8000U, 0xFFFFU, &UxRom::Poke_8000_D2 );
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break;
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case Type::STD_UNROM512:
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Map( 0x8000U, 0xFFFFU, &UxRom::Poke_8000_0 );
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hasbattery = board.HasBattery();
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mirr = board.GetNmt();
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switch (mirr) {
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case 0: ppu.SetMirroring( Ppu::NMT_H ); break;
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case 1: ppu.SetMirroring( Ppu::NMT_V ); break;
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}
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break;
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default:
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Map( 0x8000U, 0xFFFFU, PRG_SWAP_16K_0 );
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break;
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}
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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(UxRom,8000_D2)
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{
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prg.SwapBank<SIZE_16K,0x0000>( GetBusData(address,data) >> 2 );
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}
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NES_POKE_AD(UxRom,8000_0)
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{
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if (!hasbattery)
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data = GetBusData(address,data);
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chr.SwapBank<SIZE_8K, 0x0000>( ( data >> 5) & 0x3 );
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prg.SwapBank<SIZE_16K, 0x0000>( ( data ) & 0x1f );
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if ( mirr == Type::NMT_FOURSCREEN )
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ppu.SetMirroring( ( data & 0x80 ) ? Ppu::NMT_1 : Ppu::NMT_0 );
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}
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}
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}
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}
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