yayacemu/rom_loader.sv

module rom_loader (
    output bit [7:0] memory [0:4095]
    );

    import "DPI-C" function int load_rom();
    import "DPI-C" function bit [7:0] get_next_instr();
    import "DPI-C" function void close_rom();

    initial begin
        int rom_size = load_rom();
        $display("HW     : ROM size is %0d bytes (%0d bits) (%0d instructions)", rom_size, rom_size * 8, rom_size / 2);
        for (int i = 0; i < rom_size; i++) begin
            memory['h200 + i] = get_next_instr();
        end
        close_rom();
        $display("HW     : ROM loaded successfully");
    end
endmodule