mirror of
https://github.com/0ldsk00l/nestopia.git
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129 lines
3.1 KiB
C++
129 lines
3.1 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 "NstBoardRcm.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 Rcm
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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 Gs2015::SubReset(const bool hard)
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{
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Map( 0x8000U, 0xFFFFU, &Gs2015::Poke_8000 );
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if (hard)
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prg.SwapBank<SIZE_32K,0x0000>(0);
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}
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void Gs2013::SubReset(const bool hard)
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{
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Map( 0x6000U, 0x7FFFU, &Gs2013::Peek_6000 );
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Map( 0x8000U, 0xFFFFU, &Gs2013::Poke_8000 );
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if (hard)
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{
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wrk.SwapBank<SIZE_8K,0x0000>( 0x1F );
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prg.SwapBank<SIZE_32K,0x0000>( ~0U );
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}
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}
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void Gs2004::SubReset(const bool hard)
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{
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Map( 0x6000U, 0x7FFFU, &Gs2004::Peek_6000 );
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Map( 0x8000U, 0xFFFFU, PRG_SWAP_32K );
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if (hard)
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{
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wrk.SwapBank<SIZE_8K,0x0000>( ~0U );
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prg.SwapBank<SIZE_32K,0x0000>( prg.Source().Size() / SIZE_32K - 1 );
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}
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}
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void TetrisFamily::SubReset(const bool hard)
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{
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Map( 0x8000U, 0xFFFFU, &TetrisFamily::Poke_8000 );
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if (hard)
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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_PEEK_A(Gs2013,6000)
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{
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return wrk[0][address - 0x6000];
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}
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NES_PEEK_A(Gs2004,6000)
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{
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return wrk[0][address - 0x6000];
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}
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NES_POKE_D(Gs2013,8000)
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{
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prg.SwapBank<SIZE_32K,0x0000>( (data & 0x8) ? (data & 0x9) : (data & 0x7) );
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}
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NES_POKE_A(Gs2015,8000)
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{
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ppu.Update();
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prg.SwapBank<SIZE_32K,0x0000>( address );
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chr.SwapBank<SIZE_8K,0x0000>( address >> 1 );
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}
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NES_POKE_A(TetrisFamily,8000)
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{
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ppu.SetMirroring( (address & 0x80) ? Ppu::NMT_H : Ppu::NMT_V );
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switch (address & 0x30)
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{
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case 0x00:
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case 0x30:
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prg.SwapBank<SIZE_32K,0x0000>( address & 0xF );
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break;
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case 0x20:
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case 0x10:
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address = (address << 1 & 0x1E) | (address >> 4 & 0x02);
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prg.SwapBanks<SIZE_16K,0x0000>( address, address );
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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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