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////////////////////////////////////////////////////////////////////////////////////////
//
// Nestopia - NES/Famicom emulator written in C++
//
// Copyright (C) 2003-2008 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 "NstStream.hpp"
#include "NstCartridge.hpp"
#include "NstFds.hpp"
#include "NstNsf.hpp"
namespace Nes
{
namespace Core
{
#ifdef NST_MSVC_OPTIMIZE
#pragma optimize("s", on)
#endif
Image::Image(Type t)
: type(t) {}
Image* Image::Load(Context& context)
{
switch (Stream::In(&context.stream).Peek32())
{
case INES_ID:
case UNIF_ID:
default:
if (context.type == CARTRIDGE || context.type == UNKNOWN)
return new Cartridge (context);
break;
case FDS_ID:
case FDS_RAW_ID:
if (context.type == DISK || context.type == UNKNOWN)
return new Fds (context);
break;
case NSF_ID:
if (context.type == SOUND || context.type == UNKNOWN)
return new Nsf (context);
break;
}
throw RESULT_ERR_INVALID_FILE;
}
void Image::Unload(Image* image)
{
delete image;
}
uint Image::GetDesiredController(uint port) const
{
switch (port)
{
case Api::Input::PORT_1: return Api::Input::PAD1;
case Api::Input::PORT_2: return Api::Input::PAD2;
default: return Api::Input::UNCONNECTED;
}
}
uint Image::GetDesiredAdapter() const
{
return Api::Input::ADAPTER_NES;
}
System Image::GetDesiredSystem(Region region,CpuModel* cpu,PpuModel* ppu) const
{
if (region == REGION_NTSC)
{
if (cpu)
*cpu = CPU_RP2A03;
if (ppu)
*ppu = PPU_RP2C02;
return SYSTEM_NES_NTSC;
}
else
{
if (cpu)
*cpu = CPU_RP2A07;
if (ppu)
*ppu = PPU_RP2C07;
return SYSTEM_NES_PAL;
}
}
#ifdef NST_MSVC_OPTIMIZE
#pragma optimize("", on)
#endif
}
}
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