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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 <new>
#include "../NstMachine.hpp"
#include "../NstStream.hpp"
#include "../NstFds.hpp"
#include "NstApiCartridge.hpp"
#include "NstApiMachine.hpp"
#include "NstApiFds.hpp"
namespace Nes
{
namespace Api
{
#ifdef NST_MSVC_OPTIMIZE
#pragma optimize("s", on)
#endif
Fds::DiskCaller Fds::diskCallback;
Fds::DriveCaller Fds::driveCallback;
Fds::DiskData::File::File() throw()
:
id (0),
index (0),
address (0),
type (TYPE_UNKNOWN)
{
for (uint i=0; i < sizeof(name); ++i)
name[i] = '\0';
}
Fds::DiskData::DiskData() throw()
{
}
Fds::DiskData::~DiskData() throw()
{
}
Result Fds::GetDiskData(uint side,DiskData& data) const throw()
{
if (emulator.Is(Machine::DISK))
return static_cast<Core::Fds*>(emulator.image)->GetDiskData( side, data );
return RESULT_ERR_NOT_READY;
}
bool Fds::IsAnyDiskInserted() const throw()
{
if (emulator.Is(Machine::DISK))
return static_cast<const Core::Fds*>(emulator.image)->IsAnyDiskInserted();
return false;
}
Result Fds::InsertDisk(uint disk,uint side) throw()
{
if (emulator.Is(Machine::DISK) && !emulator.tracker.IsLocked())
return emulator.tracker.TryResync( static_cast<Core::Fds*>(emulator.image)->InsertDisk( disk, side ) );
return RESULT_ERR_NOT_READY;
}
Result Fds::ChangeSide() throw()
{
const int disk = GetCurrentDisk();
if (disk != NO_DISK)
return InsertDisk( disk, GetCurrentDiskSide() ^ 1 );
return RESULT_ERR_NOT_READY;
}
Result Fds::EjectDisk() throw()
{
if (emulator.Is(Machine::DISK) && !emulator.tracker.IsLocked())
return emulator.tracker.TryResync( static_cast<Core::Fds*>(emulator.image)->EjectDisk() );
return RESULT_ERR_NOT_READY;
}
Result Fds::SetBIOS(std::istream* const stdStream) throw()
{
if (emulator.Is(Machine::GAME,Machine::ON))
return RESULT_ERR_NOT_READY;
try
{
if (stdStream)
{
Core::Stream::In stream( stdStream );
idword offset;
Cartridge::NesHeader setup;
byte header[16];
stream.Read( header );
if (NES_FAILED(setup.Import( header, 16 )))
{
offset = -16;
}
else if (setup.prgRom >= Core::SIZE_8K)
{
offset = (setup.trainer ? 512 : 0) + (setup.prgRom - Core::SIZE_8K);
}
else
{
return RESULT_ERR_CORRUPT_FILE;
}
stream.Seek( offset );
}
Core::Fds::SetBios( stdStream );
}
catch (Result result)
{
return result;
}
catch (const std::bad_alloc&)
{
return RESULT_ERR_OUT_OF_MEMORY;
}
catch (...)
{
return RESULT_ERR_GENERIC;
}
return RESULT_OK;
}
Result Fds::GetBIOS(std::ostream& stream) const throw()
{
try
{
return Core::Fds::GetBios( stream );
}
catch (Result result)
{
return result;
}
catch (const std::bad_alloc&)
{
return RESULT_ERR_OUT_OF_MEMORY;
}
catch (...)
{
return RESULT_ERR_GENERIC;
}
}
bool Fds::HasBIOS() const throw()
{
return Core::Fds::HasBios();
}
uint Fds::GetNumDisks() const throw()
{
if (emulator.Is(Machine::DISK))
return static_cast<const Core::Fds*>(emulator.image)->NumDisks();
return 0;
}
uint Fds::GetNumSides() const throw()
{
if (emulator.Is(Machine::DISK))
return static_cast<const Core::Fds*>(emulator.image)->NumSides();
return 0;
}
int Fds::GetCurrentDisk() const throw()
{
if (emulator.Is(Machine::DISK))
return static_cast<const Core::Fds*>(emulator.image)->CurrentDisk();
return NO_DISK;
}
int Fds::GetCurrentDiskSide() const throw()
{
if (emulator.Is(Machine::DISK))
return static_cast<const Core::Fds*>(emulator.image)->CurrentDiskSide();
return NO_DISK;
}
bool Fds::CanChangeDiskSide() const throw()
{
if (emulator.Is(Machine::DISK))
return static_cast<const Core::Fds*>(emulator.image)->CanChangeDiskSide();
return false;
}
bool Fds::HasHeader() const throw()
{
return emulator.Is(Machine::DISK) && static_cast<const Core::Fds*>(emulator.image)->HasHeader();
}
#ifdef NST_MSVC_OPTIMIZE
#pragma optimize("", on)
#endif
}
}
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