1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91
|
////////////////////////////////////////////////////////////////////////////////////////
//
// 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 "NstBoardUxRom.hpp"
namespace Nes
{
namespace Core
{
namespace Boards
{
#ifdef NST_MSVC_OPTIMIZE
#pragma optimize("s", on)
#endif
void UxRom::SubReset(bool)
{
switch (board.GetId())
{
case Type::STD_UNROM:
case Type::STD_UOROM:
Map( PRG_SWAP_16K_0_BC );
break;
case Type::STD_UN1ROM:
Map( 0x8000U, 0xFFFFU, &UxRom::Poke_8000_D2 );
break;
case Type::STD_UNROM512:
Map( 0x8000U, 0xFFFFU, &UxRom::Poke_8000_0 );
hasbattery = board.HasBattery();
mirr = board.GetNmt();
switch (mirr) {
case 0: ppu.SetMirroring( Ppu::NMT_H ); break;
case 1: ppu.SetMirroring( Ppu::NMT_V ); break;
}
break;
default:
Map( 0x8000U, 0xFFFFU, PRG_SWAP_16K_0 );
break;
}
}
#ifdef NST_MSVC_OPTIMIZE
#pragma optimize("", on)
#endif
NES_POKE_AD(UxRom,8000_D2)
{
prg.SwapBank<SIZE_16K,0x0000>( GetBusData(address,data) >> 2 );
}
NES_POKE_AD(UxRom,8000_0)
{
if (!hasbattery)
data = GetBusData(address,data);
chr.SwapBank<SIZE_8K, 0x0000>( ( data >> 5) & 0x3 );
prg.SwapBank<SIZE_16K, 0x0000>( ( data ) & 0x1f );
if ( mirr == Type::NMT_FOURSCREEN )
ppu.SetMirroring( ( data & 0x80 ) ? Ppu::NMT_1 : Ppu::NMT_0 );
}
}
}
}
|