9086/cpu/testbench.v

module tb;
wire clock;
reg reset;
reg  clk_enable;
wire [19:0]address_bus;
wire [15:0]data_bus;
wire rd,wr,romcs,HALT;

processor p(clock,reset,address_bus,data_bus,rd,wr,HALT);
rom bootrom(address_bus,data_bus,rd,romcs);

`define CPU_SPEED 1000

clock_gen #(.FREQ(1000)) u1(clk_enable, clock);

assign romcs=0;

initial begin
	$dumpfile("test.lx2");
	$dumpvars(0,p);
	clk_enable <= 1;

	#($random%500)
	reset = 0;
	#(`CPU_SPEED) 
	reset = 1;
	#(`CPU_SPEED*30)

	#50 $finish;
end
endmodule