libsidplayfp  1.8.3
c64env.h
1 /*
2  * This file is part of libsidplayfp, a SID player engine.
3  *
4  * Copyright 2011-2014 Leandro Nini <drfiemost@users.sourceforge.net>
5  * Copyright 2007-2010 Antti Lankila
6  * Copyright 2001 Simon White
7  *
8  * This program is free software; you can redistribute it and/or modify
9  * it under the terms of the GNU General Public License as published by
10  * the Free Software Foundation; either version 2 of the License, or
11  * (at your option) any later version.
12  *
13  * This program is distributed in the hope that it will be useful,
14  * but WITHOUT ANY WARRANTY; without even the implied warranty of
15  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
16  * GNU General Public License for more details.
17  *
18  * You should have received a copy of the GNU General Public License
19  * along with this program; if not, write to the Free Software
20  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
21  */
22 
23 #ifndef C64ENV_H
24 #define C64ENV_H
25 
26 #include "sidplayfp/event.h"
27 
28 #ifdef HAVE_CONFIG_H
29 # include "config.h"
30 #endif
31 
37 class c64env
38 {
39 private:
40  EventContext &m_context;
41 
42 public:
43  c64env (EventContext *context) :
44  m_context (*context) {}
45 
46  EventContext &context() const { return m_context; }
47 
48  virtual uint8_t cpuRead(uint_least16_t addr) =0;
49  virtual void cpuWrite(uint_least16_t addr, uint8_t data) =0;
50 
51 #ifdef PC64_TESTSUITE
52  virtual void loadFile(const char *file) =0;
53 #endif
54 
55  virtual void interruptIRQ(bool state) = 0;
56  virtual void interruptNMI() = 0;
57  virtual void interruptRST() = 0;
58 
59  virtual void setBA (bool state) = 0;
60  virtual void lightpen(bool state) = 0;
61 
62 protected:
63  ~c64env() {}
64 };
65 
66 #endif // C64ENV_H
Definition: c64env.h:37
Definition: event.h:107