Date   : Tue, 29 Nov 1983 16:54:00-EST
From   : David.Anderson@CMU-CS-G.ARPA
Subject: TMS9918A

The August 1982 Byte (p. 57 -- the "Logo" issue) had a construction
article on building a sprite card for the Apple ][ based on the
TMS9918A.  That's probably what you're thinking of.

--david