Subversion Repositories s80186

// Copyright Jamie Iles, 2017

//

// This file is part of s80x86.

//

// s80x86 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 3 of the License, or

// (at your option) any later version.

//

// s80x86 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 s80x86.  If not, see <http://www.gnu.org/licenses/>.

#pragma once

#include <stddef.h>

#include <stdint.h>

#include <functional>

#include <memory>

#include <map>

#include "CPU.h"

#include "Memory.h"

#include "ModRM.h"

class EmulatorPimpl;

class Memory;

class RegisterFile;

class SoftwareCPU;

class Emulator

{

public:

    Emulator(RegisterFile *registers, SoftwareCPU *cpu);

    virtual ~Emulator();

    size_t step();

    size_t step_with_io(std::function<void(unsigned long)> io_callback);

    void set_memory(Memory *mem);

    void set_io(std::map<uint16_t, IOPorts *> *io);

    bool has_trapped() const;

    void reset();

    void raise_nmi();

    void raise_irq(int irq_num);

    unsigned long cycle_count() const;

private:

    std::unique_ptr<EmulatorPimpl> pimpl;

    unsigned long num_cycles;

};