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57 lines
1.0 KiB
C++
57 lines
1.0 KiB
C++
//
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// RP5C01.hpp
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// Clock Signal
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//
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// Created by Thomas Harte on 14/01/2023.
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// Copyright © 2023 Thomas Harte. All rights reserved.
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//
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#pragma once
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#include "../../ClockReceiver/ClockReceiver.hpp"
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#include <array>
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#include <cstdint>
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namespace Ricoh::RP5C01 {
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class RP5C01 {
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public:
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RP5C01(HalfCycles clock_rate);
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/// @returns the result of a read from @c address.
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uint8_t read(int address);
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/// Performs a write of @c value to @c address.
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void write(int address, uint8_t value);
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/// Advances time.
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void run_for(HalfCycles);
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private:
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std::array<uint8_t, 26> ram_;
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HalfCycles sub_seconds_;
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const HalfCycles clock_rate_;
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// Contains the seconds, minutes and hours fields.
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int seconds_ = 0;
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// Calendar entries.
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int day_of_the_week_ = 0;
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int day_ = 0;
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int month_ = 0;
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int year_ = 0;
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int leap_year_ = 0;
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// Other flags.
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bool timer_enabled_ = false;
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bool alarm_enabled_ = false;
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int mode_ = 0;
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bool one_hz_on_ = false;
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bool sixteen_hz_on_ = false;
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bool twentyfour_hour_clock_ = true;
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};
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}
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