3 ms·

Or here, p. 242 https://archive.org/details/byte-magazine-1982-04/page/n243/mode/1up?view=theater https://archive.org/details/byte-magazine-1982-04/page/n243/.

Or here, p. 242 https://archive.org/details/byte-magazine-1982-04/page/n243/mode/1up?view=theater https://archive.org/details/byte-magazine-1982-04/page/n243/...