         return [sprintf("0x%08x", code), "Unknown opcode"]
 
 # Post dependencies
-# (none)
+JsYaml = global.Libs.JsYaml

        m.push("This file is not supported")
      if m.length > 0
        r.messages = m
      return jsyaml.safeDump(r, {styles: {"!!int": "hex"}}) # Last PromiseValue
    ) # return Promise.resolve().then()

  #--------------------------------------------------------------------------------

        else
          args = ",...,R(#{b+c})"
        return ["OP_HASH\t#{a}, #{b}, #{c}", "R(#{a}) := hash_new(R(#{b})#{args})"]
      when 0x40
        return ["OP_LAMBDA\t#{a}, #{b}, #{c}", "R(#{a}) := lambda(SEQ[#{b}],#{c})"]
      when 0x41
        return ["OP_RANGE\t#{a}, #{b}, #{c}", "R(#{a}) := range_new(R(#{b}),R(#{b+1}),C)"]
      when 0x42
