Enhanced version of the PAL PDP8 assembler

 PALBART is an enhanced version of the pdp8 PAL assembler.
 This is a PDP8 cross assembler. It's useful for the users of SIMH or
 any other PDP8 emulator.
 .
 To quote that web page, "This enhancement was written by Gary
 Messenbrink to support BART's fleet of PDP-8 systems."