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https://github.com/RetroDECK/Supermodel.git
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92 lines
2 KiB
C++
92 lines
2 KiB
C++
/**
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** Supermodel
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** A Sega Model 3 Arcade Emulator.
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** Copyright 2011 Bart Trzynadlowski, Nik Henson
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**
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** This file is part of Supermodel.
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**
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** Supermodel is free software: you can redistribute it and/or modify it under
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** the terms of the GNU General Public License as published by the Free
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** Software Foundation, either version 3 of the License, or (at your option)
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** any later version.
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**
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** Supermodel is distributed in the hope that it will be useful, but WITHOUT
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** ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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** FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
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** more details.
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**
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** You should have received a copy of the GNU General Public License along
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** with Supermodel. If not, see <http://www.gnu.org/licenses/>.
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**/
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/*
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* RTC72421.h
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*
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* Header file defining the CRTC72421 class: RTC-72421 real-time clock.
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*/
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#ifndef INCLUDED_RTC72421_H
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#define INCLUDED_RTC72421_H
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/*
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* CRTC72421:
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*
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* Epson RTC-72421 real-time clock.
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*/
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class CRTC72421
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{
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public:
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/*
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* ReadRegister(unsigned reg):
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*
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* Reads data from one of the RTC registers.
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*
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* Parameters:
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* reg Register number (0-15).
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*
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* Returns:
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* Data in the lower nibble.
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*/
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UINT8 ReadRegister(unsigned reg);
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/*
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* WriteRegister(unsigned reg, UINT8 data):
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*
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* Writes data to one of the RTC registers.
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*
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* Parameters:
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* reg Register number (0-15).
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* data Data to write.
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*/
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void WriteRegister(unsigned reg, UINT8 data);
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/*
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* Reset(void):
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*
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* Does nothing. Provided for compability with other device objects. The
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* RTC is battery-backed and always available.
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*/
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void Reset(void);
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/*
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* Init(void):
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*
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* One-time initialization of the context. Must be called prior to all
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* other members.
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*/
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void Init(void);
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/*
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* CRTC72421(void):
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* ~CRTC72421(void):
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*
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* Constructor and destructor.
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*/
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CRTC72421(void);
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~CRTC72421(void);
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};
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#endif // INCLUDED_RTC72421_H
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