mirror of
https://github.com/0ldsk00l/nestopia.git
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121 lines
2.7 KiB
C++
121 lines
2.7 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 "NstStream.hpp"
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#include "NstCartridge.hpp"
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#include "NstFds.hpp"
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#include "NstNsf.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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#ifdef NST_MSVC_OPTIMIZE
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#pragma optimize("s", on)
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#endif
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Image::Image(Type t)
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: type(t) {}
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Image* Image::Load(Context& context)
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{
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switch (Stream::In(&context.stream).Peek32())
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{
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case INES_ID:
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case UNIF_ID:
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default:
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if (context.type == CARTRIDGE || context.type == UNKNOWN)
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return new Cartridge (context);
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break;
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case FDS_ID:
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case FDS_RAW_ID:
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if (context.type == DISK || context.type == UNKNOWN)
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return new Fds (context);
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break;
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case NSF_ID:
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if (context.type == SOUND || context.type == UNKNOWN)
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return new Nsf (context);
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break;
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}
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throw RESULT_ERR_INVALID_FILE;
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}
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void Image::Unload(Image* image)
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{
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delete image;
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}
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uint Image::GetDesiredController(uint port) const
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{
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switch (port)
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{
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case Api::Input::PORT_1: return Api::Input::PAD1;
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case Api::Input::PORT_2: return Api::Input::PAD2;
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default: return Api::Input::UNCONNECTED;
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}
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}
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uint Image::GetDesiredAdapter() const
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{
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return Api::Input::ADAPTER_NES;
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}
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System Image::GetDesiredSystem(Region region,CpuModel* cpu,PpuModel* ppu) const
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{
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if (region == REGION_NTSC)
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{
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if (cpu)
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*cpu = CPU_RP2A03;
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if (ppu)
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*ppu = PPU_RP2C02;
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return SYSTEM_NES_NTSC;
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}
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else
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{
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if (cpu)
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*cpu = CPU_RP2A07;
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if (ppu)
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*ppu = PPU_RP2C07;
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return SYSTEM_NES_PAL;
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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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}
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}
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