mirror of
https://github.com/TomHarte/CLK.git
synced 2024-08-16 16:28:59 +00:00
63 lines
1.3 KiB
C++
63 lines
1.3 KiB
C++
//
|
|
// Drive.cpp
|
|
// Clock Signal
|
|
//
|
|
// Created by Thomas Harte on 25/09/2016.
|
|
// Copyright © 2016 Thomas Harte. All rights reserved.
|
|
//
|
|
|
|
#include "Drive.hpp"
|
|
#include <algorithm>
|
|
|
|
using namespace Storage::Disk;
|
|
|
|
Drive::Drive()
|
|
: head_position_(0), head_(0) {}
|
|
|
|
void Drive::set_disk(const std::shared_ptr<Disk> &disk) {
|
|
disk_ = disk;
|
|
track_ = nullptr;
|
|
}
|
|
|
|
void Drive::set_disk_with_track(const std::shared_ptr<Track> &track) {
|
|
disk_ = nullptr;
|
|
track_ = track;
|
|
}
|
|
|
|
bool Drive::has_disk() {
|
|
return (bool)disk_ || (bool)track_;
|
|
}
|
|
|
|
bool Drive::get_is_track_zero() {
|
|
return head_position_ == 0;
|
|
}
|
|
|
|
void Drive::step(int direction) {
|
|
head_position_ = std::max(head_position_ + direction, 0);
|
|
}
|
|
|
|
void Drive::set_head(unsigned int head) {
|
|
head_ = head;
|
|
}
|
|
|
|
bool Drive::get_is_read_only() {
|
|
if(disk_) return disk_->get_is_read_only();
|
|
if(track_) return true;
|
|
return false;
|
|
}
|
|
|
|
bool Drive::get_is_ready() {
|
|
// TODO: a real test for this.
|
|
return disk_ != nullptr;
|
|
}
|
|
|
|
std::shared_ptr<Track> Drive::get_track() {
|
|
if(disk_) return disk_->get_track_at_position(head_, (unsigned int)head_position_);
|
|
if(track_) return track_;
|
|
return nullptr;
|
|
}
|
|
|
|
void Drive::set_track(const std::shared_ptr<Track> &track) {
|
|
if(disk_) disk_->set_track_at_position(head_, (unsigned int)head_position_, track);
|
|
}
|