StarDos.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 StarDos final : public Cartridge {
 
    CartridgeTraits traits = {
 
        .type       = CRT_STARDOS,
        .title      = "StarDOS",
    };
 
    virtual const CartridgeTraits &getCartridgeTraits() const override { return traits; }
 
    i64 voltage = 5000000;
    i64 latestVoltageUpdate = 0;
 
 
    //
    // Initializing
    //
 
public:
 
    using Cartridge::Cartridge;
 
 
    //
    // Methods from CoreObject
    //
 
private:
 
    void _dump(Category category, std::ostream& os) const override;
 
 
    //
    // Methods from CoreComponent
    //
 
public:
 
    StarDos& operator= (const StarDos& other) {
 
        Cartridge::operator=(other);
 
        CLONE(voltage)
        CLONE(latestVoltageUpdate)
 
        return *this;
    }
    virtual void clone(const Cartridge &other) override { *this = (const StarDos &)other; }
 
    template <class T>
    void serialize(T& worker)
    {
        worker
 
        << voltage
        << latestVoltageUpdate;
 
    } CARTRIDGE_SERIALIZERS(serialize);
 
 
    //
    // Accessing cartridge memory
    //
 
    u8 peekIO1(u16 addr) override { charge(); return 0; }
    u8 spypeekIO1(u16 addr) const override { return 0; }
    u8 peekIO2(u16 addr) override { discharge(); return 0; }
    u8 spypeekIO2(u16 addr) const override { return 0; }
    void pokeIO1(u16 addr, u8 value) override { charge(); }
    void pokeIO2(u16 addr, u8 value) override { discharge(); }
 
    //
    // Handling delegation calls
    //
 
public:
 
    void updatePeekPokeLookupTables() override;
 
 
    //
    // Working with the capacitor
    //
 
private:
 
    void updateVoltage();
    void charge();
    void discharge();
    void enableROML();
    void disableROML();
};
 
}