[comp.lang.apl] J for 386 PCs

kingsley@hpwrce.HP.COM (Kingsley Morse) (05/27/91)

How large can J workspaces be on a 386 PC? And, does the 386 J interpreter
run in 'real' or 'protected' mode?

Thanks,
Kingsley

hui@yrloc.ipsa.reuter.COM (Roger Hui) (05/28/91)

J currently does not exploit features specific to the 386.  It runs in 
"real" mode, and workspaces are at most 640K.

Obviously, it is desirable to remove these restrictions.  The main
obstacle seems to be finding a run-time memory extender which has no
hefty per-copy royalty charge (impossible for a shareware product).

Note that J is available for the Interactive 386ix (System V flavor
UNIX for the 386), and it does not have these restrictions.

-----------------------------------------------------------------
Roger Hui
Iverson Software Inc., 33 Major Street, Toronto, Ontario  M5S 2K9
(416) 925 6096

sam@kalessin.jpl.nasa.gov (Sam Sirlin) (05/29/91)

In article <1991May28.120527.21336@yrloc.ipsa.reuter.COM>, hui@yrloc.ipsa.reuter.COM (Roger Hui) writes:

|> The main
|> obstacle seems to be finding a run-time memory extender which has no
|> hefty per-copy royalty charge (impossible for a shareware product).
|> 

Note that GNU gcc is available for msdos, which uses protected mode and 
available memory. You can get it from 

128.153.13.196     grape.ecs.clarkson.edu



-- 
Sam Sirlin
Jet Propulsion Laboratory         sam@kalessin.jpl.nasa.gov