c64env.h

/*
 * This file is part of libsidplayfp, a SID player engine.
 *
 * Copyright 2011-2014 Leandro Nini <drfiemost@users.sourceforge.net>
 * Copyright 2007-2010 Antti Lankila
 * Copyright 2001 Simon White
 *
 * This program 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.
 *
 * This program 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 this program; if not, write to the Free Software
 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
 */
 
#ifndef C64ENV_H
#define C64ENV_H
 
#include "sidplayfp/event.h"
 
#ifdef HAVE_CONFIG_H
#  include "config.h"
#endif
 
class c64env
{
private:
    EventContext &m_context;
 
public:
    c64env (EventContext *context) :
        m_context (*context) {}
 
    EventContext &context() const { return m_context; }
 
    virtual uint8_t cpuRead(uint_least16_t addr) =0;
    virtual void cpuWrite(uint_least16_t addr, uint8_t data) =0;
 
#ifdef PC64_TESTSUITE
    virtual void loadFile(const char *file) =0;
#endif
 
    virtual void interruptIRQ(bool state) = 0;
    virtual void interruptNMI() = 0;
    virtual void interruptRST() = 0;
 
    virtual void setBA (bool state) = 0;
    virtual void lightpen(bool state) = 0;
 
protected:
    ~c64env() {}
};
 
#endif // C64ENV_H