2022-12-11 07:12:11 +00:00
|
|
|
/*
|
|
|
|
epple2
|
|
|
|
Copyright (C) 2008 by Christopher A. Mosher <cmosher01@gmail.com>
|
|
|
|
|
|
|
|
This program is free software: you can redistribute it and/or modify
|
|
|
|
it under the terms of the GNU 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 General Public License for more details.
|
|
|
|
|
|
|
|
You should have received a copy of the GNU General Public License
|
|
|
|
along with this program. If not, see <http://www.gnu.org/licenses/>.
|
|
|
|
*/
|
|
|
|
#include "drive.h"
|
2022-12-12 03:27:37 +00:00
|
|
|
|
2022-12-11 07:12:11 +00:00
|
|
|
Disk2Drive::Disk2Drive(double p_random_ones_rate):
|
|
|
|
stepper(head),
|
|
|
|
pulse(false),
|
|
|
|
bitBufferRead(0),
|
|
|
|
random_ones_rate(p_random_ones_rate),
|
|
|
|
generator(std::chrono::system_clock::now().time_since_epoch().count()),
|
|
|
|
distribution(0.0,1.0) {
|
|
|
|
}
|
|
|
|
|
2022-12-12 03:27:37 +00:00
|
|
|
bool Disk2Drive::loadDisk(const std::filesystem::path& fnib) {
|
2022-12-11 07:12:11 +00:00
|
|
|
return this->disk.load(fnib);
|
|
|
|
}
|
|
|
|
|
|
|
|
void Disk2Drive::unloadDisk() {
|
|
|
|
this->disk.unload();
|
|
|
|
}
|
|
|
|
bool Disk2Drive::isLoaded() const {
|
|
|
|
return this->disk.isLoaded();
|
|
|
|
}
|
|
|
|
|
|
|
|
void Disk2Drive::saveDisk() {
|
|
|
|
this->disk.save();
|
|
|
|
}
|
|
|
|
|
|
|
|
bool Disk2Drive::isWriteProtected() const {
|
|
|
|
return this->disk.isWriteProtected();
|
|
|
|
}
|
|
|
|
|
|
|
|
bool Disk2Drive::isModified() const {
|
|
|
|
return this->disk.isModified();
|
|
|
|
}
|
|
|
|
|
|
|
|
int Disk2Drive::optimal_timing() const {
|
|
|
|
return this->disk.optimal_timing();
|
|
|
|
}
|
|
|
|
|
|
|
|
int Disk2Drive::position() const {
|
|
|
|
return this->head.position();
|
|
|
|
}
|
|
|
|
|
|
|
|
void Disk2Drive::tick() {
|
|
|
|
this->stepper.tick();
|
|
|
|
}
|
|
|
|
|
|
|
|
void Disk2Drive::set_phase(int i_phase_0_to_3, bool on) {
|
|
|
|
this->stepper.set_phase(i_phase_0_to_3, on);
|
|
|
|
}
|
|
|
|
|
|
|
|
int Disk2Drive::getTrack() const {
|
|
|
|
return this->head.position() >> 2;
|
|
|
|
}
|
|
|
|
|
|
|
|
void Disk2Drive::rotateDiskOneBit() {
|
|
|
|
this->disk.rotateOneBit(this->head.position());
|
|
|
|
|
|
|
|
bitBufferRead <<= 1;
|
|
|
|
|
|
|
|
const bool exists(this->disk.exists(this->head.position()));
|
|
|
|
if (exists) {
|
|
|
|
bitBufferRead |= this->disk.getBit(this->head.position());
|
|
|
|
}
|
|
|
|
|
|
|
|
if ((bitBufferRead & 0x0Fu) && exists) {
|
|
|
|
this->pulse = (bitBufferRead & 0x02u) >> 1;
|
|
|
|
} else {
|
|
|
|
this->pulse = randomBit();
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
bool Disk2Drive::readPulse() const {
|
|
|
|
return this->pulse;
|
|
|
|
}
|
|
|
|
void Disk2Drive::clearPulse() {
|
|
|
|
this->pulse = false;
|
|
|
|
}
|
|
|
|
|
|
|
|
void Disk2Drive::writeBit(bool on) {
|
|
|
|
this->disk.setBit(this->head.position(), on);
|
|
|
|
}
|