code: func opcodeN(op *parsedOpcode, vm *Engine) error {
  	// The opcodes are all defined consecutively, so the numeric value is
  	// the difference.
  	vm.dstack.PushInt(scriptNum((op.opcode.value - (OP_1 - 1))))
  	return nil
  }
docs: // opcodeN is a common handler for the small integer data push opcodes.  It
  // pushes the numeric value the opcode represents (which will be from 1 to 16)
  // onto the data stack.