67 lines
1.5 KiB
Plaintext
67 lines
1.5 KiB
Plaintext
/*
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* This file is part of libsidplayfp, a SID player engine.
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*
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* Copyright 2012-2013 Leandro Nini <drfiemost@users.sourceforge.net>
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* Copyright 2010 Antti Lankila
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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 COLORRAMBANK_H
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#define COLORRAMBANK_H
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#include <stdint.h>
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#include <cstring>
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#include "Bank.h"
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#include "sidcxx11.h"
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namespace libsidplayfp
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{
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/**
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* Color RAM.
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*
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* 1K x 4-bit Static RAM that stores text screen color information.
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*
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* Located at $D800-$DBFF (last 24 bytes are unused)
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*/
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class ColorRAMBank final : public Bank
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{
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private:
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uint8_t ram[0x400];
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public:
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void reset()
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{
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memset(ram, 0, sizeof(ram));
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}
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void poke(uint_least16_t address, uint8_t value) override
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{
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ram[address & 0x3ff] = value & 0xf;
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}
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uint8_t peek(uint_least16_t address) override
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{
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return ram[address & 0x3ff];
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}
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};
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}
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#endif
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