A cleaned-up verSion of TexaS InStrument' SPC Scheme developed at the UniverSity of Geneva. The main extenSionS to PC Scheme are 486Support, BGI graphicS, LIM-EMS pagination Support, line editing and aSSembly code-level interfacing. VerSion 4.02PL1. E-mail: <Schemege@uni2a.unige.ch>. (1994-01-11)