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/**
* Alee Forth: A portable and concise Forth implementation in modern C++.
* Copyright (C) 2023 Clyne Sullivan <clyne@bitgloo.com>
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU Lesser General Public License as published by
* the Free Software Foundation, either version 3 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 Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public License
* along with this program. If not, see <https://www.gnu.org/licenses/>.
*/
#ifndef ALEEFORTH_MEMDICT_HPP
#define ALEEFORTH_MEMDICT_HPP
#include "libalee/alee.hpp"
#ifndef MEMDICTSIZE
#define MEMDICTSIZE (65536)
#endif
constexpr unsigned long int MemDictSize = MEMDICTSIZE;
class MemDict : public Dictionary
{
uint8_t dict[MemDictSize] = {0};
public:
virtual Cell read(Addr addr) const noexcept final {
return *reinterpret_cast<const Cell *>(dict + addr);
}
virtual void write(Addr addr, Cell value) noexcept final {
*reinterpret_cast<Cell *>(dict + addr) = value;
}
virtual uint8_t readbyte(Addr addr) const noexcept final {
return dict[addr];
}
virtual void writebyte(Addr addr, uint8_t value) noexcept final {
dict[addr] = value;
}
virtual unsigned long int capacity() const noexcept final {
return sizeof(dict);
}
};
#endif // ALEEFORTH_MEMDICT_HPP
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