This is a long shot but will ask anyway, if anyone happens to have come across this program I would be glad to get a copy please.
http://svn.so-much-stuff.com/svn/trunk/pdp8/src/decus/basic8-43/decus-basic8-43.htm
NEOPAL: PAL-D SIMULATOR BASIC8-43
I think I used program (or something very close to it) in the 1980s, it was some of the densest BASIC code I had ever encountered at the time. Compact, terse, 1K-challenge-stuff.