mirror of
https://github.com/0ldsk00l/nestopia.git
synced 2025-04-02 10:31:51 -04:00
137 lines
3.5 KiB
C++
137 lines
3.5 KiB
C++
////////////////////////////////////////////////////////////////////////////////////////
|
|
//
|
|
// 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 "../NstMachine.hpp"
|
|
#include "../NstDipSwitches.hpp"
|
|
#include "../NstImage.hpp"
|
|
#include "NstApiDipSwitches.hpp"
|
|
|
|
namespace Nes
|
|
{
|
|
namespace Api
|
|
{
|
|
#ifdef NST_MSVC_OPTIMIZE
|
|
#pragma optimize("s", on)
|
|
#endif
|
|
|
|
Core::DipSwitches* DipSwitches::Query() const
|
|
{
|
|
if (emulator.image)
|
|
{
|
|
if (Core::Image::ExternalDevice device = emulator.image->QueryExternalDevice( Core::Image::EXT_DIP_SWITCHES ))
|
|
return static_cast<Core::DipSwitches*>(device);
|
|
}
|
|
|
|
return NULL;
|
|
}
|
|
|
|
bool DipSwitches::CanModify() const throw()
|
|
{
|
|
return !emulator.tracker.IsLocked() && Query();
|
|
}
|
|
|
|
uint DipSwitches::NumDips() const throw()
|
|
{
|
|
if (Core::DipSwitches* const dipSwitches = Query())
|
|
return dipSwitches->NumDips();
|
|
|
|
return 0;
|
|
}
|
|
|
|
uint DipSwitches::NumValues(uint dip) const throw()
|
|
{
|
|
if (Core::DipSwitches* const dipSwitches = Query())
|
|
{
|
|
if (dipSwitches->NumDips() > dip)
|
|
return dipSwitches->NumValues( dip );
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
const char* DipSwitches::GetDipName(uint dip) const throw()
|
|
{
|
|
if (Core::DipSwitches* const dipSwitches = Query())
|
|
{
|
|
if (dipSwitches->NumDips() > dip)
|
|
return dipSwitches->GetDipName( dip );
|
|
}
|
|
|
|
return NULL;
|
|
}
|
|
|
|
const char* DipSwitches::GetValueName(uint dip,uint value) const throw()
|
|
{
|
|
if (Core::DipSwitches* const dipSwitches = Query())
|
|
{
|
|
if (dipSwitches->NumDips() > dip && dipSwitches->NumValues( dip ) > value)
|
|
return dipSwitches->GetValueName( dip, value );
|
|
}
|
|
|
|
return NULL;
|
|
}
|
|
|
|
int DipSwitches::GetValue(uint dip) const throw()
|
|
{
|
|
if (Core::DipSwitches* const dipSwitches = Query())
|
|
{
|
|
if (dipSwitches->NumDips() > dip)
|
|
return dipSwitches->GetValue( dip );
|
|
}
|
|
|
|
return INVALID;
|
|
}
|
|
|
|
Result DipSwitches::SetValue(uint dip,uint value) throw()
|
|
{
|
|
if (!emulator.tracker.IsLocked())
|
|
{
|
|
if (Core::DipSwitches* const dipSwitches = Query())
|
|
{
|
|
if (dip >= dipSwitches->NumDips() || value >= dipSwitches->NumValues( dip ))
|
|
{
|
|
return RESULT_ERR_INVALID_PARAM;
|
|
}
|
|
else if (value != dipSwitches->GetValue( dip ))
|
|
{
|
|
emulator.tracker.Resync();
|
|
dipSwitches->SetValue( dip, value );
|
|
|
|
return RESULT_OK;
|
|
}
|
|
else
|
|
{
|
|
return RESULT_NOP;
|
|
}
|
|
}
|
|
}
|
|
|
|
return RESULT_ERR_NOT_READY;
|
|
}
|
|
|
|
#ifdef NST_MSVC_OPTIMIZE
|
|
#pragma optimize("", on)
|
|
#endif
|
|
}
|
|
}
|