libsidplayfp  1.0.3
c64env.h
00001 /*
00002  * This file is part of libsidplayfp, a SID player engine.
00003  *
00004  * Copyright 2011-2013 Leandro Nini <drfiemost@users.sourceforge.net>
00005  * Copyright 2007-2010 Antti Lankila
00006  * Copyright 2001 Simon White
00007  *
00008  * This program is free software; you can redistribute it and/or modify
00009  * it under the terms of the GNU General Public License as published by
00010  * the Free Software Foundation; either version 2 of the License, or
00011  * (at your option) any later version.
00012  *
00013  * This program is distributed in the hope that it will be useful,
00014  * but WITHOUT ANY WARRANTY; without even the implied warranty of
00015  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
00016  * GNU General Public License for more details.
00017  *
00018  * You should have received a copy of the GNU General Public License
00019  * along with this program; if not, write to the Free Software
00020  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
00021  */
00022 
00023 #ifndef C64ENV_H
00024 #define C64ENV_H
00025 
00026 #include "sidplayfp/event.h"
00027 
00028 #ifdef HAVE_CONFIG_H
00029 #  include "config.h"
00030 #endif
00031 
00037 class c64env
00038 {
00039 private:
00040     EventContext &m_context;
00041 
00042 public:
00043     c64env (EventContext *context) :
00044         m_context (*context) {}
00045 
00046     EventContext &context() const { return m_context; }
00047 
00048     virtual uint8_t cpuRead(uint_least16_t addr) =0;
00049     virtual void cpuWrite(uint_least16_t addr, uint8_t data) =0;
00050 
00051 #ifdef PC64_TESTSUITE
00052     virtual void loadFile(const char *file) =0;
00053 #endif
00054 
00055     virtual void interruptIRQ(bool state) = 0;
00056     virtual void interruptNMI() = 0;
00057     virtual void interruptRST() = 0;
00058 
00059     virtual void setBA (bool state) = 0;
00060     virtual void lightpen() = 0;
00061 
00062 protected:
00063     ~c64env() {}
00064 };
00065 
00066 #endif // C64ENV_H