nestopia/source/core/board/NstBoardSachenTca01.cpp

78 lines
2.1 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 "NstBoardSachenTca01.hpp"
namespace Nes
{
namespace Core
{
namespace Boards
{
namespace Sachen
{
#ifdef NST_MSVC_OPTIMIZE
#pragma optimize("s", on)
#endif
/*void Tca01::SubReset(bool)
{
for (uint i=0x4100; i < 0x6000; i += 0x200)
Map( i + 0x00, i + 0xFF, &Tca01::Peek_4100 );
}*/
// shalma's fix for Dancing Blocks (Sachen)
void Tca01::SubReset(bool hard)
{
for (uint i=0x4100; i < 0x6000; i += 0x200)
Map( i + 0x00, i + 0xFF, &Tca01::Peek_4100 );
if (hard)
{
//FCEUmm (cah4e3) - random boot fix
for (int lcv = 0; lcv < 0x800; lcv++)
{
cpu.Poke(lcv, (lcv & 4) ? 0x7f : 0x00);
}
// Nestopia default
cpu.Poke(0x08, 0xF7);
cpu.Poke(0x09, 0xEF);
cpu.Poke(0x0a, 0xDF);
cpu.Poke(0x0b, 0xBF);
}
}
#ifdef NST_MSVC_OPTIMIZE
#pragma optimize("", on)
#endif
NES_PEEK_A(Tca01,4100)
{
return (~address & 0x3F) | 0x40;
}
}
}
}
}