libsidplayfp  1.8.7
ExtraSidBank.h
1 /*
2  * This file is part of libsidplayfp, a SID player engine.
3  *
4  * Copyright 2012-2014 Leandro Nini <drfiemost@users.sourceforge.net>
5  *
6  * This program is free software; you can redistribute it and/or modify
7  * it under the terms of the GNU General Public License as published by
8  * the Free Software Foundation; either version 2 of the License, or
9  * (at your option) any later version.
10  *
11  * This program is distributed in the hope that it will be useful,
12  * but WITHOUT ANY WARRANTY; without even the implied warranty of
13  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14  * GNU General Public License for more details.
15  *
16  * You should have received a copy of the GNU General Public License
17  * along with this program; if not, write to the Free Software
18  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
19  */
20 
21 #ifndef EXTRASIDBANK_H
22 #define EXTRASIDBANK_H
23 
24 #include "Bank.h"
25 #include "c64/c64sid.h"
26 
27 #include <vector>
28 #include <algorithm>
29 
33 class ExtraSidBank : public Bank
34 {
35 private:
36  typedef std::vector<c64sid*> sids_t;
37 
38  class resetSID
39  {
40  public:
41  void operator() (sids_t::value_type &e) { e->reset(0xf); }
42  };
43 
44 private:
49  static const int MAPPER_SIZE = 8;
50 
51 private:
57  Bank *mapper[MAPPER_SIZE];
58 
59  sids_t sids;
60 
61 private:
62  static unsigned int mapperIndex(int address) { return address >> 5 & (MAPPER_SIZE - 1); }
63 
64 public:
65  virtual ~ExtraSidBank() {}
66 
67  void reset()
68  {
69  std::for_each(sids.begin(), sids.end(), resetSID());
70  }
71 
72  void resetSIDMapper(Bank *bank)
73  {
74  for (int i = 0; i < MAPPER_SIZE; i++)
75  mapper[i] = bank;
76  }
77 
78  uint8_t peek(uint_least16_t addr)
79  {
80  return mapper[mapperIndex(addr)]->peek(addr);
81  }
82 
83  void poke(uint_least16_t addr, uint8_t data)
84  {
85  mapper[mapperIndex(addr)]->poke(addr, data);
86  }
87 
94  void addSID(c64sid *s, int address)
95  {
96  sids.push_back(s);
97  mapper[mapperIndex(address)] = s;
98  }
99 };
100 
101 #endif
Definition: c64sid.h:32
virtual uint8_t peek(uint_least16_t address)=0
uint8_t peek(uint_least16_t addr)
Definition: ExtraSidBank.h:78
Definition: Bank.h:32
void poke(uint_least16_t addr, uint8_t data)
Definition: ExtraSidBank.h:83
void addSID(c64sid *s, int address)
Definition: ExtraSidBank.h:94
Definition: ExtraSidBank.h:33
virtual void poke(uint_least16_t address, uint8_t value)=0