On Thu, Oct 21, 2010 at 01:38:44PM +0100, RW wrote: > On Wed, 20 Oct 2010 21:10:28 +0100 > Arthur Chance <free...@qeng-ho.org> wrote: > > 50s) had the experience of programming microcode on a machine by > > inserting brass slugs for 0s and ferrite slugs for 1s on a pin board. > > I wonder why it was brass/ferrite rather than brass/empty or > ferrite/empty.
I was wondering the same thing. I suspect one of them may be equivalent to empty electrically, however this way is less errorprone, explicitly populating each slot, rather than relying upon empty, which could in fact be a mistaken omission. Alex _______________________________________________ email@example.com mailing list http://lists.freebsd.org/mailman/listinfo/freebsd-questions To unsubscribe, send any mail to "freebsd-questions-unsubscr...@freebsd.org"