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45 lines
939 B
C++
45 lines
939 B
C++
//
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// Microdisc.hpp
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// Clock Signal
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//
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// Created by Thomas Harte on 22/11/2016.
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// Copyright 2016 Thomas Harte. All rights reserved.
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//
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#pragma once
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#include "../../Components/1770/1770.hpp"
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#include "../../Activity/Observer.hpp"
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#include "DiskController.hpp"
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namespace Oric {
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class Microdisc: public DiskController {
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public:
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Microdisc();
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void set_control_register(uint8_t control);
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uint8_t get_interrupt_request_register();
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uint8_t get_data_request_register();
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bool get_interrupt_request_line();
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void run_for(const Cycles cycles);
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void set_activity_observer(Activity::Observer *observer);
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private:
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void set_head_load_request(bool head_load) final;
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void set_control_register(uint8_t control, uint8_t changes);
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uint8_t last_control_ = 0;
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bool irq_enable_ = false;
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Cycles::IntType head_load_request_counter_ = -1;
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bool head_load_request_ = false;
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Activity::Observer *observer_ = nullptr;
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};
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}
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