device.h

来自「AVR 单片机程序设计用到的模拟器」· C头文件 代码 · 共 29 行

/* $Id: Device.h,v 1.2 2000/09/24 14:32:25 pure Exp $ */

#ifndef __Device_h__
#define __Device_h__

#include "Types.h"

class Device {
private:
	unsigned wait;
public:
	Device* next;

	Device(unsigned _wait);
	virtual ~Device();
	
	virtual Device* cs(unsigned addr) = 0;
	virtual unsigned irq();
	virtual byte readb(unsigned addr) = 0;
	virtual void writeb(unsigned addr, byte data) = 0;

	word readw(unsigned offset);
	void writew(unsigned offset, word data);
	unsigned waitstates();
	void attach(Device& device);
};

#endif