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84 lines
2.2 KiB
C++
84 lines
2.2 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 "NstInpDevice.hpp"
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#include "NstInpKonamiHyperShot.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 Input
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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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KonamiHyperShot::KonamiHyperShot(const Cpu& c)
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: Device(c,Api::Input::KONAMIHYPERSHOT)
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{
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KonamiHyperShot::Reset();
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}
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void KonamiHyperShot::Reset()
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{
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strobe = 0;
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state = 0;
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}
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void KonamiHyperShot::SaveState(State::Saver& saver,const byte id) const
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{
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saver.Begin( AsciiId<'H','S'>::R(0,0,id) ).Write8( strobe ).End();
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}
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void KonamiHyperShot::LoadState(State::Loader& loader,const dword id)
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{
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if (id == AsciiId<'H','S'>::V)
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strobe = loader.Read8() & 0x1;
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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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void KonamiHyperShot::Poke(const uint data)
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{
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const uint prev = strobe;
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strobe = data & 0x1;
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if (prev > strobe && input)
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{
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Controllers::KonamiHyperShot::callback( input->konamiHyperShot );
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state = input->konamiHyperShot.buttons & 0x1E;
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input = NULL;
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}
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}
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uint KonamiHyperShot::Peek(const uint port)
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{
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return port ? state : 0;
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}
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}
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}
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}
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