File psl-1983/lap/emode.lap artifact c13d11bbee part of check-in d9e362f11e

(LOAD RAWIO)
(LOAD EMODE-B-1)
(LOAD EMODE-B-2)
% "Fast" file I/O, not available on all machines.
(LOAD NEW-FILEIO)
% Directory support, not available on all machines.
(LOAD DIRECTORY)
(LOAD DEFAULT-TERMINAL)