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//============================================================================
//
// SSSS tt lll lll
// SS SS tt ll ll
// SS tttttt eeee ll ll aaaa
// SSSS tt ee ee ll ll aa
// SS tt eeeeee ll ll aaaaa -- "An Atari 2600 VCS Emulator"
// SS SS tt ee ll ll aa aa
// SSSS ttt eeeee llll llll aaaaa
//
// Copyright (c) 1995-2007 by Bradford W. Mott and the Stella team
//
// See the file "license" for information on usage and redistribution of
// this file, and for a DISCLAIMER OF ALL WARRANTIES.
//
// $Id: CartCV.hxx,v 1.9 2007/01/14 16:17:53 stephena Exp $
//============================================================================
#ifndef CARTRIDGECV_HXX
#define CARTRIDGECV_HXX
class System;
class Serializer;
class Deserializer;
#include "m6502/src/bspf/src/bspf.hxx"
#include "Cart.hxx"
#include "Random.hxx"
/**
Cartridge class used for Commavid's extra-RAM games.
$F000-$F3FF read from RAM
$F400-$F7FF write to RAM
$F800-$FFFF ROM
@author Eckhard Stolberg
@version $Id: CartCV.hxx,v 1.9 2007/01/14 16:17:53 stephena Exp $
*/
class CartridgeCV : public Cartridge
{
public:
/**
Create a new cartridge using the specified image
@param image Pointer to the ROM image
@param rng A random number generator used to populate the initial extra RAM
*/
CartridgeCV(const uInt8* image, uInt32 size, Random& rng);
/**
Destructor
*/
virtual ~CartridgeCV();
public:
/**
Get a null terminated string which is the device's name (i.e. "M6532")
@return The name of the device
*/
virtual const char* name() const;
/**
Reset cartridge to its power-on state
*/
virtual void reset();
/**
Install cartridge in the specified system. Invoked by the system
when the cartridge is attached to it.
@param system The system the device should install itself in
*/
virtual void install(System& system);
/**
Saves the current state of this device to the given Serializer.
@param out The serializer device to save to.
@return The result of the save. True on success, false on failure.
*/
virtual bool save(Serializer& out);
/**
Loads the current state of this device from the given Deserializer.
@param in The deserializer device to load from.
@return The result of the load. True on success, false on failure.
*/
virtual bool load(Deserializer& in);
/**
Install pages for the specified bank in the system.
@param bank The bank that should be installed in the system
*/
virtual void bank(uInt16 bank);
/**
Get the current bank.
@return The current bank, or -1 if bankswitching not supported
*/
virtual int bank();
/**
Query the number of banks supported by the cartridge.
*/
virtual int bankCount();
/**
Patch the cartridge ROM.
@param address The ROM address to patch
@param value The value to place into the address
@return Success or failure of the patch operation
*/
virtual bool patch(uInt16 address, uInt8 value);
/**
Access the internal ROM image for this cartridge.
@param size Set to the size of the internal ROM image data
@return A pointer to the internal ROM image data
*/
virtual uInt8* getImage(int& size);
public:
/**
Get the byte at the specified address
@return The byte at the specified address
*/
virtual uInt8 peek(uInt16 address);
/**
Change the byte at the specified address to the given value
@param address The address where the value should be stored
@param value The value to be stored at the address
*/
virtual void poke(uInt16 address, uInt8 value);
private:
// The 2k ROM image for the cartridge
uInt8 myImage[2048];
// The 1024 bytes of RAM
uInt8 myRAM[1024];
};
#endif