nestopia/source/core/board/NstBoardVsSystem.cpp
2012-09-02 13:13:55 -04:00

65 lines
1.8 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 "NstBoard.hpp"
#include "NstBoardVsSystem.hpp"
namespace Nes
{
namespace Core
{
namespace Boards
{
#ifdef NST_MSVC_OPTIMIZE
#pragma optimize("s", on)
#endif
void VsSystem::SubReset(const bool hard)
{
p4016 = cpu.Map( 0x4016 );
cpu.Map( 0x4016 ).Set( this, &VsSystem::Peek_4016, &VsSystem::Poke_4016 );
if (hard)
prg.SwapBank<SIZE_32K,0x0000>(0);
}
#ifdef NST_MSVC_OPTIMIZE
#pragma optimize("", on)
#endif
NES_POKE_D(VsSystem,4016)
{
ppu.Update();
chr.SwapBank<SIZE_8K,0x0000>( data >> 2 );
prg.SwapBank<SIZE_8K,0x0000>( data & 0x4 );
p4016.Poke( 0x4016, data );
}
NES_PEEK_A(VsSystem,4016)
{
return p4016.Peek( address );
}
}
}
}