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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 "NstBoardDiscrete.hpp"
namespace Nes
{
namespace Core
{
namespace Boards
{
namespace Discrete
{
#ifdef NST_MSVC_OPTIMIZE
#pragma optimize("s", on)
#endif
void Ic74x161x161x32::SubReset(bool)
{
if (board == Type::DISCRETE_74_161_161_32_A)
Map( 0x8000U, 0xFFFFU, &Ic74x161x161x32::Poke_8000_0 );
else
Map( 0x8000U, 0xFFFFU, &Ic74x161x161x32::Poke_8000_1 );
}
void Ic74x139x74::SubReset(bool)
{
Map( 0x6000U, 0x7FFFU, &Ic74x139x74::Poke_6000 );
}
void Ic74x161x138::SubReset(const bool hard)
{
Map( 0x6000U, 0x7FFFU, &Ic74x161x138::Poke_6000 );
if (hard)
prg.SwapBank<SIZE_32K,0x0000>(0);
}
void Ic74x377::SubReset(const bool hard)
{
Map( 0x8000U, 0xFFFFU, &Ic74x377::Poke_8000 );
if (hard)
prg.SwapBank<SIZE_32K,0x0000>(0);
}
#ifdef NST_MSVC_OPTIMIZE
#pragma optimize("", on)
#endif
NES_POKE_AD(Ic74x161x161x32,8000_0)
{
ppu.Update();
data = GetBusData(address,data);
chr.SwapBank<SIZE_8K,0x0000>( data );
prg.SwapBank<SIZE_16K,0x0000>( data >> 4 );
}
NES_POKE_AD(Ic74x161x161x32,8000_1)
{
data = GetBusData(address,data);
ppu.SetMirroring( (data & 0x80) ? Ppu::NMT_1 : Ppu::NMT_0 );
chr.SwapBank<SIZE_8K,0x0000>( data );
prg.SwapBank<SIZE_16K,0x0000>( data >> 4 );
}
NES_POKE_D(Ic74x139x74,6000)
{
ppu.Update();
chr.SwapBank<SIZE_8K,0x0000>( (data >> 1 & 0x1) | (data << 1 & 0x2) );
}
NES_POKE_D(Ic74x161x138,6000)
{
ppu.Update();
chr.SwapBank<SIZE_8K,0x0000>( data >> 2 );
prg.SwapBank<SIZE_32K,0x0000>( data );
}
NES_POKE_AD(Ic74x377,8000)
{
ppu.Update();
data = GetBusData(address,data);
prg.SwapBank<SIZE_32K,0x0000>( data );
chr.SwapBank<SIZE_8K,0x0000>( data >> 4 );
}
}
}
}
}
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