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////////////////////////////////////////////////////////////////////////////////////////
//
// 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
//
////////////////////////////////////////////////////////////////////////////////////////
#ifndef NST_BOARD_ACCLAIM_MCACC_H
#define NST_BOARD_ACCLAIM_MCACC_H
#ifdef NST_PRAGMA_ONCE
#pragma once
#endif
#include "../NstTimer.hpp"
#include "NstBoardMmc3.hpp"
namespace Nes
{
namespace Core
{
namespace Boards
{
namespace Acclaim
{
class McAcc : public Board
{
public:
explicit McAcc(const Context&);
protected:
void SubReset(bool);
void SubSave(State::Saver&) const;
void SubLoad(State::Loader&,dword);
void Sync(Event,Input::Controllers*);
void UpdatePrg();
void UpdateChr() const;
virtual void NST_FASTCALL UpdatePrg(uint,uint);
virtual void NST_FASTCALL UpdateChr(uint,uint) const;
NES_DECL_POKE( 8000 );
NES_DECL_POKE( 8001 );
NES_DECL_POKE( A001 );
NES_DECL_POKE( C000 );
NES_DECL_POKE( C001 );
NES_DECL_POKE( E000 );
NES_DECL_POKE( E001 );
enum
{
CTRL1_WRAM_READONLY = 0x40,
CTRL1_WRAM_ENABLED = 0x80,
CTRL1_WRAM = CTRL1_WRAM_ENABLED|CTRL1_WRAM_READONLY
};
struct Regs
{
uint ctrl0;
uint ctrl1;
} regs;
struct
{
byte prg[4];
byte chr[8];
} banks;
private:
enum {
A12_FILTER = 39,
IRQ_DELAY = 0,
};
// FIXME: IRQ_DELAY should be 4 ppu clocks
Mmc3::Irq<IRQ_DELAY, A12_FILTER> irq;
};
}
}
}
}
#endif
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