regexmem.dit

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graphics和对应的元件和互联文件(.dit)可以自己画流水线,其中.dit文件使用简单的硬件描述语言编写.而mipsit是

class CRegExMem
{
	// clock
	in Ph0:1
	in Ph1:1
	
	// inputs
	in in_RegWrite:1
    in in_RegDst:1
    in in_MemRead:3
    in in_MemWrite:2
    in in_MemToReg:1
	in in_AluResult
	in in_WriteData
	in in_WbReg:5
	in in_Instr
	
	// outputs
	out out_RegWrite:1
    out out_RegDst:1
    out out_MemRead:3
    out out_MemWrite:2
    out out_MemToReg:1
	out out_AluResult
	out out_WriteData
	out out_WbReg:5
	out out_Instr
	
	
	script
		// phase 0 transfers inputs to these variables
		// phase 1 transfers these variables to the outputs
		
		var RegWrite;
    	var RegDst;
    	var MemRead;
    	var MemWrite;
    	var MemToReg;
		var AluResult;
		var WriteData;
		var WbReg;
		var Instr;
		
		function OnPh0()
			{
				RegWrite = in_RegWrite.Get();
    			RegDst = in_RegDst.Get();
    			MemRead = in_MemRead.Get();
    			MemWrite = in_MemWrite.Get();
    			MemToReg = in_MemToReg.Get();
				AluResult = in_AluResult.Get();
				WriteData = in_WriteData.Get();
				WbReg= in_WbReg.Get();
				Instr = in_Instr.Get();
			}
	
		function OnPh1()
			{
				out_RegWrite.Set( RegWrite );
    			out_RegDst.Set( RegDst );
    			out_MemRead.Set( MemRead );
    			out_MemWrite.Set( MemWrite );
    			out_MemToReg.Set( MemToReg );
				out_AluResult.Set(AluResult );
				out_WriteData.Set( WriteData );
				out_WbReg.Set( WbReg );
				out_Instr.Set( Instr );
			}
		
	end_script
	
	event Ph0 OnPh0()
	event Ph1 OnPh1()
}