register_pc.java

来自「操作系统课程设计中的CPU原码,采用JAVA编写」· Java 代码 · 共 48 行

/*******************************************
*程序计数器
*2004-9-11			编写者:赖卫国
*******************************************/
package cpu;

class register_pc extends register
{
	private long register;
	private int register1;

	public register_pc()
	{
		register	=	-1;
		register1	=	-1;
	}
	public void setValue(long value)
	{
		register	=	value;
	}
	public void setValue(int value)
	{
		register1	=	value;
	}
	public long getLong()
	{
		return register;
	}
	public int getInt()
	{
		return register1;
	}
	public void incValue()
	{
		register	=	register	+	1;
		register1	=	register1	+	1;
	}
	public int getFirst()
	{
		int result	=	register1/1000;
		return result;
	}
	public int getLast()
	{
		int result	=	register1%1000;
		return result;	
	}
};