mirror of
https://github.com/0ldsk00l/nestopia.git
synced 2025-04-02 10:31:51 -04:00
112 lines
3 KiB
C++
112 lines
3 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 "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 );
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|