apl\11 for amiga employs 1-origin indexing use uae amiga rom 3.1 workbench 3.1 (in ~/uae/adf) smakefile seems to be for amiga ported to early linux, SPARC and Sun by Micheal Cain ported to amiga by Stefan Haubenthal from Unix APL\11 probably uses SAS C v6.50 cd hd1: cd adf/apl apl apl