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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 "NstBoard.hpp"
#include "NstBoardKonamiVrc1.hpp"
namespace Nes
{
namespace Core
{
namespace Boards
{
namespace Konami
{
#ifdef NST_MSVC_OPTIMIZE
#pragma optimize("s", on)
#endif
void Vrc1::SubReset(bool)
{
Map( 0x8000U, 0x8FFFU, PRG_SWAP_8K_0 );
Map( 0x9000U, 0x9FFFU, &Vrc1::Poke_9000 );
Map( 0xA000U, 0xAFFFU, PRG_SWAP_8K_1 );
Map( 0xC000U, 0xCFFFU, PRG_SWAP_8K_2 );
Map( 0xE000U, 0xEFFFU, &Vrc1::Poke_E000 );
Map( 0xF000U, 0xFFFFU, &Vrc1::Poke_F000 );
}
#ifdef NST_MSVC_OPTIMIZE
#pragma optimize("", on)
#endif
NES_POKE_D(Vrc1,9000)
{
ppu.SetMirroring( (data & 0x1) ? Ppu::NMT_H : Ppu::NMT_V );
chr.SwapBanks<SIZE_4K,0x0000>
(
(data << 3 & 0x10) | (chr.GetBank<SIZE_4K,0x0000>() & 0xF),
(data << 2 & 0x10) | (chr.GetBank<SIZE_4K,0x1000>() & 0xF)
);
}
NES_POKE_D(Vrc1,E000)
{
ppu.Update();
chr.SwapBank<SIZE_4K,0x0000>( (chr.GetBank<SIZE_4K,0x0000>() & 0x10) | (data & 0xF) );
}
NES_POKE_D(Vrc1,F000)
{
ppu.Update();
chr.SwapBank<SIZE_4K,0x1000>( (chr.GetBank<SIZE_4K,0x1000>() & 0x10) | (data & 0xF) );
}
}
}
}
}
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