The article in circuit cellar about IR is in

Issue 59, June 1995

"Emulating a Motorola IR Chip Using a PIC"

further notes:

circuit cellar's web site has not been updated in MANY months.
i know they also run a bbs, but maybe they should know how many
of us whould like the web site kept up to date. maybe we can
even dream of an article index for all issues with a search
by keyword.

michael