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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_TENGEN_RAMBO1_H
#define NST_BOARD_TENGEN_RAMBO1_H
#ifdef NST_PRAGMA_ONCE
#pragma once
#endif
#include "../NstTimer.hpp"
namespace Nes
{
namespace Core
{
namespace Boards
{
namespace Tengen
{
class Rambo1 : public Board
{
public:
explicit Rambo1(const Context&);
protected:
void SubReset(bool);
virtual void UpdateChr() const;
private:
void SubSave(State::Saver&) const;
void SubLoad(State::Loader&,dword);
void UpdatePrg();
void Sync(Event,Input::Controllers*);
NES_DECL_POKE( 8000 );
NES_DECL_POKE( 8001 );
NES_DECL_POKE( C000 );
NES_DECL_POKE( C001 );
NES_DECL_POKE( E000 );
NES_DECL_POKE( E001 );
struct Regs
{
void Reset();
byte chr[8];
byte prg[3];
byte ctrl;
};
struct Irq
{
Irq(Cpu&,Ppu&);
void Update();
enum
{
M2_CLOCK = 4,
A12_FILTER = 16,
IRQ_DELAY = 2,
SOURCE_PPU = 0x0,
SOURCE_CPU = 0x1,
SOURCE = 0x1
};
struct Unit
{
void Reset(bool);
bool Clock();
uint count;
uint cycles;
uint latch;
ibool reload;
ibool enabled;
ibool mode;
};
typedef Timer::A12<Unit&,A12_FILTER,IRQ_DELAY> A12;
typedef Timer::M2<Unit&,M2_CLOCK> M2;
Unit unit;
A12 a12;
M2 m2;
};
protected:
Regs regs;
private:
Irq irq;
};
}
}
}
}
#endif
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