>The following is a hypertext version of a scanned document. The original article was published in BYTE Volume 5, Number 10 (October 1980) pages 282-285. Since

>The following is a hypertext version of a scanned document. The original article was published in BYTE Volume 5, Number 10 (October 1980) pages 282-285. Since I am the original author, and it appeared in print over 15 years ago, I do not need McGraw Hill's permission to reproduce it here. With this publication on the World Wide Web, I hereby re-establish my copyright. Unless the author retained copyright, he's probably infringing.