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src
c64
Banks
ExtraSidBank.h
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/*
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* This file is part of libsidplayfp, a SID player engine.
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*
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* Copyright 2012-2024 Leandro Nini <drfiemost@users.sourceforge.net>
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
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*/
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#ifndef EXTRASIDBANK_H
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#define EXTRASIDBANK_H
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#include "Bank.h"
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#include <vector>
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#include "c64/c64sid.h"
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#include "sidcxx11.h"
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namespace
libsidplayfp
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{
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class
ExtraSidBank
final :
public
Bank
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{
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private
:
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using
sids_t = std::vector<c64sid*>;
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private
:
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static
constexpr
int
MAPPER_SIZE = 8;
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private
:
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Bank
*mapper[MAPPER_SIZE];
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sids_t sids;
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private
:
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static
unsigned
int
mapperIndex(
int
address) {
return
address >> 5 & (MAPPER_SIZE - 1); }
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public
:
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virtual
~ExtraSidBank
() =
default
;
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void
reset()
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{
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for
(
c64sid
* sid: sids)
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sid->reset(0xf);
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}
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void
resetSIDMapper(
Bank
*bank)
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{
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for
(
int
i = 0; i < MAPPER_SIZE; i++)
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mapper[i] = bank;
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}
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uint8_t
peek
(uint_least16_t addr)
override
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{
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return
mapper[mapperIndex(addr)]->peek(addr);
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}
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void
poke
(uint_least16_t addr, uint8_t data)
override
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{
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mapper[mapperIndex(addr)]->poke(addr, data);
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}
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void
addSID
(
c64sid
*s,
int
address)
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{
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sids.push_back(s);
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mapper[mapperIndex(address)] = s;
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}
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};
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}
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#endif
libsidplayfp::Bank
Definition
Bank.h:36
libsidplayfp::ExtraSidBank
Definition
ExtraSidBank.h:38
libsidplayfp::ExtraSidBank::addSID
void addSID(c64sid *s, int address)
Definition
ExtraSidBank.h:93
libsidplayfp::ExtraSidBank::poke
void poke(uint_least16_t addr, uint8_t data) override
Definition
ExtraSidBank.h:82
libsidplayfp::ExtraSidBank::peek
uint8_t peek(uint_least16_t addr) override
Definition
ExtraSidBank.h:77
libsidplayfp::c64sid
Definition
c64sid.h:40
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