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35 lines
633 B
C++
35 lines
633 B
C++
//
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// SCSI.cpp
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// Clock Signal
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//
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// Created by Thomas Harte on 12/08/2019.
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// Copyright © 2019 Thomas Harte. All rights reserved.
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//
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#include "SCSI.hpp"
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using namespace SCSI;
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size_t Bus::add_device() {
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const auto slot = device_states_.size();
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device_states_.push_back(DefaultBusState);
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return slot;
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}
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void Bus::set_device_output(size_t device, BusState output) {
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device_states_[device] = output;
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state_is_valid_ = false;
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}
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BusState Bus::get_state() {
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if(!state_is_valid_) return state_;
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state_is_valid_ = true;
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state_ = DefaultBusState;
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for(auto state: device_states_) {
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state_ |= state;
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}
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return state_;
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}
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