1 ////////////////////////////////////////////////////////////////////////////////////////
2 //
3 // Nestopia - NES/Famicom emulator written in C++
4 //
5 // Copyright (C) 2003-2008 Martin Freij
6 //
7 // This file is part of Nestopia.
8 //
9 // Nestopia is free software; you can redistribute it and/or modify
10 // it under the terms of the GNU General Public License as published by
11 // the Free Software Foundation; either version 2 of the License, or
12 // (at your option) any later version.
13 //
14 // Nestopia is distributed in the hope that it will be useful,
15 // but WITHOUT ANY WARRANTY; without even the implied warranty of
16 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
17 // GNU General Public License for more details.
18 //
19 // You should have received a copy of the GNU General Public License
20 // along with Nestopia; if not, write to the Free Software
21 // Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
22 //
23 ////////////////////////////////////////////////////////////////////////////////////////
24 
25 #ifndef NST_BOARD_KONAMI_VRC3_H
26 #define NST_BOARD_KONAMI_VRC3_H
27 
28 #ifdef NST_PRAGMA_ONCE
29 #pragma once
30 #endif
31 
32 namespace Nes
33 {
34 	namespace Core
35 	{
36 		namespace Boards
37 		{
38 			namespace Konami
39 			{
40 				class Vrc3 : public Board
41 				{
42 				public:
43 
44 					explicit Vrc3(const Context&);
45 
46 				private:
47 
48 					void SubReset(bool);
49 					void SubSave(State::Saver&) const;
50 					void SubLoad(State::Loader&,dword);
51 					void Sync(Event,Input::Controllers*);
52 
53 					NES_DECL_POKE( 8000 );
54 					NES_DECL_POKE( 9000 );
55 					NES_DECL_POKE( A000 );
56 					NES_DECL_POKE( B000 );
57 					NES_DECL_POKE( C000 );
58 					NES_DECL_POKE( D000 );
59 
60 					struct Irq
61 					{
62 						void Reset(bool);
63 						bool Clock();
64 
65 						ibool enabled;
66 						uint count;
67 					};
68 
69 					Timer::M2<Irq> irq;
70 				};
71 			}
72 		}
73 	}
74 }
75 
76 #endif
77