This is a kindof silly webpage, but why not.  Here is a Hex to Seven segment decoder.  The pal code is in Tango design language (TDL).  This compiler is no longer availiable.  But, it is all I have.  At the moment there is a JED file for 16l8 and 22v10.

    PLD file
    16l8 JEDEC file
    22V10 JEDEC file
    doc file