`ifndef INSTRUCTION_COUNTER_H
`define INSTRUCTION_COUNTER_H

module instruction_counter #(parameter width=5)(
    input logic [0:0] clk, input logic [0:0] we,
    input logic [2**width-1:0] W,
    output logic [2**width-1:0] addr
);

    logic [2**width-1:0] pc;

    initial begin
        pc = {(2**width){1'b0}};
    end

    always_ff @(posedge clk) begin
        if (we) begin
            pc <= W;
        end else begin
            pc <= pc + 4;
        end
    end

    assign addr = pc;
endmodule
`endif