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58 lines
1.2 KiB
C++
58 lines
1.2 KiB
C++
//
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// Drive.cpp
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// Clock Signal
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//
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// Created by Thomas Harte on 25/09/2016.
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// Copyright © 2016 Thomas Harte. All rights reserved.
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//
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#include "Drive.hpp"
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#include <algorithm>
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using namespace Storage::Disk;
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Drive::Drive()
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: head_position_(0), head_(0) {}
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void Drive::set_disk(const std::shared_ptr<Disk> &disk) {
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disk_ = disk;
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track_ = nullptr;
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}
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void Drive::set_disk_with_track(const std::shared_ptr<Track> &track) {
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disk_ = nullptr;
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track_ = track;
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}
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bool Drive::has_disk() {
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return (bool)disk_ || (bool)track_;
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}
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bool Drive::get_is_track_zero() {
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return head_position_ == 0;
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}
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void Drive::step(int direction) {
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head_position_ = std::max(head_position_ + direction, 0);
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}
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void Drive::set_head(unsigned int head) {
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head_ = head;
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}
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bool Drive::get_is_read_only() {
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if(disk_) return disk_->get_is_read_only();
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if(track_) return true;
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return false;
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}
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std::shared_ptr<Track> Drive::get_track() {
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if(disk_) return disk_->get_track_at_position(head_, (unsigned int)head_position_);
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if(track_) return track_;
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return nullptr;
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}
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void Drive::set_track(const std::shared_ptr<Track> &track) {
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if(disk_) disk_->set_track_at_position(head_, (unsigned int)head_position_, track);
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}
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