mirror of
https://github.com/0ldsk00l/nestopia.git
synced 2025-04-02 10:31:51 -04:00
72 lines
2 KiB
C++
72 lines
2 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 "NstBoardBmc1200in1.hpp"
|
|
|
|
namespace Nes
|
|
{
|
|
namespace Core
|
|
{
|
|
namespace Boards
|
|
{
|
|
namespace Bmc
|
|
{
|
|
#ifdef NST_MSVC_OPTIMIZE
|
|
#pragma optimize("s", on)
|
|
#endif
|
|
|
|
void B1200in1::SubReset(bool)
|
|
{
|
|
Map( 0x8000U, 0xFFFFU, &B1200in1::Poke_8000 );
|
|
NES_DO_POKE(8000,0x8000,0x00);
|
|
}
|
|
|
|
#ifdef NST_MSVC_OPTIMIZE
|
|
#pragma optimize("", on)
|
|
#endif
|
|
|
|
NES_POKE_A(B1200in1,8000)
|
|
{
|
|
const uint bank = (address >> 4 & 0x10) | (address >> 3 & 0x0F);
|
|
|
|
if (address & 0x1)
|
|
{
|
|
prg.SwapBank<SIZE_32K,0x0000>( bank );
|
|
}
|
|
else
|
|
{
|
|
const uint offset = (bank << 1) | (address >> 2 & 0x1);
|
|
prg.SwapBanks<SIZE_16K,0x0000>( offset, offset );
|
|
}
|
|
|
|
if (!(address & 0x80))
|
|
prg.SwapBank<SIZE_16K,0x4000>( ((address & 0x200) ? 0x7 : 0x0) | (bank << 1 & 0x38) );
|
|
|
|
ppu.SetMirroring( (address & 0x2) ? Ppu::NMT_H : Ppu::NMT_V );
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|