testbench1.v

一个自己写的8位CPU程序

//***************************************************

// Version		: 1.11
// Module Name 	: test_all

//***************************************************



`timescale 1ns/1ns



module test_all;


	wire [7:0] data_bus;

	wire [7:0] add_bus;

	wire cs_wire;

	wire wr_wire;

	wire rd_wire;


        reg clk_wire;

	reg reset_wire;



        The_6th_CPU b(.data(data_bus),.address_out(add_bus),.CS(cs_wire),.WR(wr_wire),.RD(rd_wire),.clk(clk_wire),.reset(reset_wire));
	
        The_6th_mem m(.mem_data(data_bus),.mem_address(add_bus),.FPGACS(cs_wire),.FPGAWR(wr_wire),.FPGARD(rd_wire));

	
        initial

          begin
             $monitor($time,,,"AC=%b,AR=%d,AB_sel=%b,IR=%d,PC=%d,state=%d,mux_DB_sel=%b,mem[%d]=%d,GR[%d]=%b,ALU=%h,GR_address=%d,GR_out=%b,GR[1]=%h,GR[0]=%h,c=%b,Z=%b,OUT_HIGH=%b,OUT_LOW=%b",
                b.ac.register_out,b.ar.register_out,b.mux_AB_sel,b.ir.register_out,b.PC.pc_out,b.CU.state,b.mux_DB_sel,b.ar.register_out,m.mem[b.ar.register_out],b.ir.register_out[2:0],b.GR.GR_out,b.ALU.ALU_O,b.GR.GR_address,b.GR.GR_out,b.GR.register[1],b.GR.register[0],b.c_reg.register_out,b.z_reg.register_out,b.OUT_HIGH,b.OUT_LOW);

             clk_wire=1'b0;

             reset_wire=1'b1;

             m.mem[0]='b00000001;

             m.mem[1]='b00010100;
             m.mem[2]='b00010000;

             m.mem[3]='b00010101;
             m.mem[4]='b11101000;

             m.mem[5]='b00001000;

             m.mem[6]='b00010110;
             m.mem[7]='b00011000;
             m.mem[8]='b00010111;
             m.mem[9]='b11111000;
             m.mem[20]='b00010000;
             m.mem[21]='b00010001;

             #5 reset_wire='b0;
	     #4 reset_wire='b1;


             #80 $display("************************************");


             #1000 $stop;
         end


     always #2 clk_wire=~clk_wire;




endmodule