/**
 * Register file as used by the CPU. Has two read addresses so that
 * two-register instructions can be performed in one cycle. Just like memory,
 * reading is asynchronous, while writes occur on positive clock edge.
 * wen, waddr, and in are used to write to register memory.
 */
module registers #(width=32)
				   (input logic [2:0] raddr1, raddr2, waddr,
				    input clk, wen, reset,
					input logic [width-1:0] in,
					output logic [width-1:0] out1, out2);
	logic [width-1:0] data [0:7];

	always_ff@(posedge clk)
		if (reset) begin
			data <= '{default: 0};
		end else begin
			if(wen) data[waddr] <= in;
		end

	assign out1 = data[raddr1];
	assign out2 = data[raddr2];

endmodule