c++/rgb-assembler/commands/IncrementDecrement.h
author František Kučera <franta-hg@frantovo.cz>
Mon, 25 Dec 2017 00:24:07 +0100
changeset 31 b997cbf9e30b
parent 29 10d6964e7b4a
child 32 78c4d6b53499
permissions -rw-r--r--
wrap memory in a class
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/**
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 * RGB assembler
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 * Copyright © 2017 František Kučera (frantovo.cz)
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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 3 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, see <http://www.gnu.org/licenses/>.
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 */
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#pragma once
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#include <wchar.h>
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#include <chrono>
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#include <thread>
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#include "../Command.h"
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#include "../memory.h"
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using namespace std;
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namespace commands {
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class IncrementDecrement : public Command {
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public:
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	IncrementDecrement(const bool increment, octet_t change) {
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		this->increment = increment;
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		this->change = change;
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	}
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	void process(Memory &memory) override {
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		address_t address = memory.read<address_t>();
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		address_t originalAddress = memory.getIndex();
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		// TODO: add to Memory methods read(address_t) and write(address_t, T)
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		memory.setIndex(address);
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		octet_t value = memory.read<octet_t>();
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		value = increment ? value + change : value - change;
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		memory.setIndex(address);
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		memory.write<octet_t>(value);
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		memory.setIndex(originalAddress);
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		wprintf(L"%sCREMENT %*d → %02X\n", (increment ? "IN" : "DE"), 5, address, value);
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	}
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private:
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	bool increment;
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	octet_t change;
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};
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}