c64sid.h
/*
* This file is part of libsidplayfp, a SID player engine.
*
* Copyright 2013-2021 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 C64SID_H
#define C64SID_H
#include "Banks/Bank.h"
#include "sidcxx11.h"
#include <cstring>
#include <stdint.h>
namespace libsidplayfp
{
class c64sid : public Bank
{
private:
uint8_t lastpoke[0x20];
protected:
virtual ~c64sid() {}
virtual uint8_t read(uint_least8_t addr) = 0;
virtual void write(uint_least8_t addr, uint8_t data) = 0;
public:
virtual void reset(uint8_t volume) = 0;
void reset() { memset(lastpoke, 0, 0x20); reset(0); }
// Bank functions
void poke(uint_least16_t address, uint8_t value) override
{
lastpoke[address & 0x1f] = value;
write(address & 0x1f, value);
}
uint8_t peek(uint_least16_t address) override { return read(address & 0x1f); }
void getStatus(uint8_t regs[0x20]) const { memcpy(regs, lastpoke, 0x20); }
};
}
#endif // C64SID_H
libsidplayfp::Bank
Definition: Bank.h:36
libsidplayfp::c64sid
Definition: c64sid.h:38
libsidplayfp::c64sid::poke
void poke(uint_least16_t address, uint8_t value) override
Definition: c64sid.h:54
libsidplayfp::c64sid::peek
uint8_t peek(uint_least16_t address) override
Definition: c64sid.h:59