2D barcode for program listings used in 80s magazines?

Richard legalize at xmission.com
Wed Mar 9 15:13:19 CST 2011


What was the name of that 2D barcode like print pattern that was used
in the 80s in magazines to provide machine readable source listings?
I remember these appearing in BYTE, at the very least, although I seem
to recall them appearing in other magazines as well.

The idea was that you would use a wand type scanner to read the 2D
strips of data instead of entering the program listings by hand.  It
seemed to be mostly used for long BASIC source code listings, although
I think I remember seeing it on some assembly hex dumps as well.
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