mirror of
https://github.com/0ldsk00l/nestopia.git
synced 2025-04-02 10:31:51 -04:00
99 lines
2.6 KiB
C++
99 lines
2.6 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 "NstBoardMmc3.hpp"
|
|
#include "NstBoardBtlPikachuY2k.hpp"
|
|
|
|
namespace Nes
|
|
{
|
|
namespace Core
|
|
{
|
|
namespace Boards
|
|
{
|
|
namespace Btl
|
|
{
|
|
#ifdef NST_MSVC_OPTIMIZE
|
|
#pragma optimize("s", on)
|
|
#endif
|
|
|
|
void PikachuY2k::SubReset(const bool hard)
|
|
{
|
|
security = ~0U;
|
|
|
|
Mmc3::SubReset( hard );
|
|
|
|
Map( 0x6000U, 0x7FFFU, &PikachuY2k::Peek_6000, &PikachuY2k::Poke_6000 );
|
|
|
|
for (uint i=0x8000; i < 0xA000; i += 0x2)
|
|
Map( i, &PikachuY2k::Poke_8000 );
|
|
}
|
|
|
|
void PikachuY2k::SubLoad(State::Loader& state,const dword baseChunk)
|
|
{
|
|
if (baseChunk == AsciiId<'B','P','2'>::V)
|
|
{
|
|
while (const dword chunk = state.Begin())
|
|
{
|
|
if (chunk == AsciiId<'R','E','G'>::V)
|
|
security = (state.Read8() & 0x1) ? ~0U : 0U;
|
|
|
|
state.End();
|
|
}
|
|
}
|
|
else
|
|
{
|
|
Mmc3::SubLoad( state, baseChunk );
|
|
}
|
|
}
|
|
|
|
void PikachuY2k::SubSave(State::Saver& state) const
|
|
{
|
|
Mmc3::SubSave( state );
|
|
state.Begin( AsciiId<'B','P','2'>::V ).Begin( AsciiId<'R','E','G'>::V ).Write8( security & 0x1 ).End().End();
|
|
}
|
|
|
|
#ifdef NST_MSVC_OPTIMIZE
|
|
#pragma optimize("", on)
|
|
#endif
|
|
|
|
NES_PEEK_A(PikachuY2k,6000)
|
|
{
|
|
return wrk[0][address - 0x6000] ^ (regs.ctrl1 & security);
|
|
}
|
|
|
|
NES_POKE_AD(PikachuY2k,6000)
|
|
{
|
|
wrk[0][address - 0x6000] = data;
|
|
}
|
|
|
|
NES_POKE_AD(PikachuY2k,8000)
|
|
{
|
|
security = 0U;
|
|
Mmc3::NES_DO_POKE(8000,address,data);
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|