ExtraSidBank.h
/*
* This file is part of libsidplayfp, a SID player engine.
*
* Copyright 2012-2014 Leandro Nini <drfiemost@users.sourceforge.net>
*
* 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 EXTRASIDBANK_H
#define EXTRASIDBANK_H
#include "Bank.h"
#include <vector>
#include <algorithm>
#include "c64/c64sid.h"
#include "sidcxx11.h"
namespace libsidplayfp
{
class ExtraSidBank final : public Bank
{
private:
typedef std::vector<c64sid*> sids_t;
private:
static const int MAPPER_SIZE = 8;
private:
Bank *mapper[MAPPER_SIZE];
sids_t sids;
private:
static void resetSID(sids_t::value_type &e) { e->reset(0xf); }
static unsigned int mapperIndex(int address) { return address >> 5 & (MAPPER_SIZE - 1); }
public:
virtual ~ExtraSidBank() {}
void reset()
{
std::for_each(sids.begin(), sids.end(), resetSID);
}
void resetSIDMapper(Bank *bank)
{
for (int i = 0; i < MAPPER_SIZE; i++)
mapper[i] = bank;
}
uint8_t peek(uint_least16_t addr) override
{
return mapper[mapperIndex(addr)]->peek(addr);
}
void poke(uint_least16_t addr, uint8_t data) override
{
mapper[mapperIndex(addr)]->poke(addr, data);
}
void addSID(c64sid *s, int address)
{
sids.push_back(s);
mapper[mapperIndex(address)] = s;
}
};
}
#endif
libsidplayfp::Bank
Definition: Bank.h:36
libsidplayfp::Bank::peek
virtual uint8_t peek(uint_least16_t address)=0
libsidplayfp::Bank::poke
virtual void poke(uint_least16_t address, uint8_t value)=0
libsidplayfp::ExtraSidBank
Definition: ExtraSidBank.h:39
libsidplayfp::ExtraSidBank::addSID
void addSID(c64sid *s, int address)
Definition: ExtraSidBank.h:95
libsidplayfp::ExtraSidBank::poke
void poke(uint_least16_t addr, uint8_t data) override
Definition: ExtraSidBank.h:84
libsidplayfp::ExtraSidBank::peek
uint8_t peek(uint_least16_t addr) override
Definition: ExtraSidBank.h:79
libsidplayfp::c64sid
Definition: c64sid.h:38