funmap is interpreted as a bitmap controlling the function key translation. If funmap is not specified, all function keys will be translated exactly as in the function key translation module. Depending on which of the three function key translation architectures you decide to use (FIXTRN, SET PFK, or the A-Shell "virtual" method), funmap may be used to override editing translations to return an exitcode (F#=-#) or select which functions keys are enabled. Since funmap contains only 32 bits, it can only enable/disable F1 through F32 directly. Any function key value beyond F32 is enabled by the high bit of funmap (2**31). Set funmap to -1 to enable all F1 thru F128.
