Isepic.h

// -----------------------------------------------------------------------------
// This file is part of VirtualC64
//
// Copyright (C) Dirk W. Hoffmann. www.dirkwhoffmann.de
// This FILE is dual-licensed. You are free to choose between:
//
//     - The GNU General Public License v3 (or any later version)
//     - The Mozilla Public License v2
//
// SPDX-License-Identifier: GPL-3.0-or-later OR MPL-2.0
// -----------------------------------------------------------------------------
 
#pragma once
 
#include "Cartridge.h"
 
namespace vc64 {
 
class Isepic final : public Cartridge {
 
    CartridgeTraits traits = {
 
        .type           = CRT_ISEPIC,
        .title          = "Isepic",
        .memory         = KB(2),
        .switches       = 1,
        .switchLeft     = "Off",
        .switchRight    = "On"
    };
 
    virtual const CartridgeTraits &getCartridgeTraits() const override { return traits; }
 
    // Selected page inside the selected RAM bank
    isize page;
 
    // Original mapping of the uppermost memory page
    MemoryType oldPeekSource;
    MemoryType oldPokeTarget;
 
 
    //
    // Initialization
    //
 
public:
 
    Isepic(C64 &ref);
 
 
    //
    // Methods from CoreObject
    //
 
    void _dump(Category category, std::ostream& os) const override;
 
 
    //
    // Methods from CoreComponent
    //
 
public:
 
    Isepic& operator= (const Isepic& other) {
 
        Cartridge::operator=(other);
 
        CLONE(page)
        CLONE(oldPeekSource)
        CLONE(oldPokeTarget)
 
        return *this;
    }
    virtual void clone(const Cartridge &other) override { *this = (const Isepic &)other; }
 
    template <class T>
    void serialize(T& worker)
    {
        worker
 
        << page;
 
        if (isResetter(worker)) return;
 
        worker
 
        << oldPeekSource
        << oldPokeTarget;
 
    } CARTRIDGE_SERIALIZERS(serialize);
 
    void _reset(bool hard) override;
 
 
    //
    // Accessing cartridge memory
    //
 
    u8 peek(u16 addr) override;
    u8 peekIO1(u16 addr) override;
    u8 spypeekIO1(u16 addr) const override;
    u8 peekIO2(u16 addr) override;
    u8 spypeekIO2(u16 addr) const override;
    void poke(u16 addr, u8 value) override;
    void pokeIO1(u16 addr, u8 value) override;
    void pokeIO2(u16 addr, u8 value) override;
 
 
    //
    // Operating switches
    //
 
    const char *getSwitchDescription(isize pos) const override;
    void setSwitch(isize pos) override;
    bool switchInOffPosition() const { return switchIsLeft(); }
    bool switchInOnPosition() const { return switchIsRight(); }
 
    bool cartIsVisible() const { return switchInOnPosition(); }
    bool cartIsHidden() const { return !cartIsVisible(); }
 
 
    //
    // Handling delegation calls
    //
 
    void updatePeekPokeLookupTables() override;
};
 
}