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59 lines
1.4 KiB
C++
59 lines
1.4 KiB
C++
//
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// Created by anonymus-raccoon on 1/29/20.
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//
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#include <iostream>
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#include "ARectangleMemory.hpp"
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#include "../Exceptions/InvalidAddress.hpp"
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namespace ComSquare::Memory
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{
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uint24_t ARectangleMemory::getRelativeAddress(uint24_t addr) const
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{
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uint8_t bank = addr >> 16u;
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uint16_t page = addr;
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unsigned bankCount = bank - this->_startBank;
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unsigned pageCount = this->_endPage + 1 - this->_startPage;
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if (bank < this->_startBank || bank > this->_endBank)
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throw InvalidAddress("Rectangle memory: Invalid Bank", addr);
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if (page < this->_startPage || page > this->_endPage)
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throw InvalidAddress("Rectangle memory: Invalid Page", addr);
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page -= this->_startPage;
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return pageCount * bankCount + page;
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}
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bool ARectangleMemory::hasMemoryAt(uint24_t addr) const
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{
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uint8_t bank = addr >> 16u;
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uint16_t page = addr;
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if (this->_startBank <= bank && bank <= this->_endBank)
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if (this->_startPage <= page && page <= this->_endPage)
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return true;
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return false;
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}
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void ARectangleMemory::setMemoryRegion(uint8_t startBank, uint8_t endBank, uint16_t startPage, uint16_t endPage)
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{
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this->_startBank = startBank;
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this->_endBank = endBank;
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this->_startPage = startPage;
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this->_endPage = endPage;
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}
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bool ARectangleMemory::isMirror() const
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{
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return false;
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}
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std::shared_ptr<IMemory> ARectangleMemory::getMirrored() const
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{
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return nullptr;
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}
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std::string ARectangleMemory::getValueName(uint24_t) const
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{
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return "???";
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}
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} |