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66 lines
1.3 KiB
C++
66 lines
1.3 KiB
C++
//
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// PulseQueuedTape.cpp
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// Clock Signal
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//
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// Created by Thomas Harte on 16/07/2017.
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// Copyright 2017 Thomas Harte. All rights reserved.
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//
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#include "PulseQueuedTape.hpp"
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using namespace Storage::Tape;
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PulseQueuedTape::PulseQueuedTape() : pulse_pointer_(0), is_at_end_(false) {}
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bool PulseQueuedTape::is_at_end() {
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return is_at_end_;
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}
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void PulseQueuedTape::set_is_at_end(bool is_at_end) {
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is_at_end_ = is_at_end;
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}
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void PulseQueuedTape::clear() {
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queued_pulses_.clear();
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pulse_pointer_ = 0;
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}
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bool PulseQueuedTape::empty() {
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return queued_pulses_.empty();
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}
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void PulseQueuedTape::emplace_back(Tape::Pulse::Type type, Time length) {
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queued_pulses_.emplace_back(type, length);
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}
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void PulseQueuedTape::emplace_back(const Tape::Pulse &&pulse) {
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queued_pulses_.emplace_back(pulse);
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}
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Tape::Pulse PulseQueuedTape::silence() {
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Pulse silence;
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silence.type = Pulse::Zero;
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silence.length.length = 1;
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silence.length.clock_rate = 1;
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return silence;
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}
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Tape::Pulse PulseQueuedTape::virtual_get_next_pulse() {
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if(is_at_end_) {
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return silence();
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}
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if(pulse_pointer_ == queued_pulses_.size()) {
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clear();
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get_next_pulses();
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if(is_at_end_ || pulse_pointer_ == queued_pulses_.size()) {
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return silence();
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}
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}
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std::size_t read_pointer = pulse_pointer_;
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pulse_pointer_++;
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return queued_pulses_[read_pointer];
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}
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