pc.dit

来自「可以自由开发的MIPS仿真器模型(.exe),指令执行动画显示.通过修改grap」· DIT 代码 · 共 41 行

// this is the Program Counter
class CPC
{
	in Ph0:1
	in Ph1:1
	
	in In
	out Out
	out vpUpdate
	in vpWrite

	script
		var rPC = 0;
		
		function OnPh0()
		{
			rPC = In.Get();
		}
	
		function OnPh1()
		{
			Out.Set(rPC);
			
			// notify the register view
			vpUpdate.Set(32);
		}
		
		function OnVpWrite()
		{
			rPC = vpWrite.Get();
			OnPh1();
		}
	
	end_script
	
	event Ph0 OnPh0()
	event Ph1 OnPh1()
	event vpWrite OnVpWrite()
}