by the time I started working in this field (1980- HP3000/series 44) the only
thing I did with card stacks was shuffle them in front of my brother, who still
programs in machine code in ibm machines.  The look on his face was priceless,
first time I shuffled a stack of his cards,  I can still remember it :)  :)  :)

Tracy Pierce wrote:

> Pretty old.  When I was about 7 or 8 circa 1960 my dad used 1401s at the
> phone co in Denver.  I'd go along on weekends to play with these great toys,
> but by the time I came around there was Autocoder, so you didn't have to
> write this machine language from scratch, but you dang well better be able
> to read it. The code ",008015,022029" is the beginning of a standard
> bootstrap sequence.  To load it you punched it into a card (sorry Larry),
> loaded the card to the hopper, and pressed the LOAD button.  The card would
> be read into the 1st 80 positions of core, and the instruction at column 1
> would be executed.  To be recognized as instructions, a wordmark was
> required for every subsequent instruction, so the first instruction sets
> wordmarks at 008 & 015, just in time for the second comma to execute the
> next setwordmark instruction at 22 & 29.  After getting just a bit ahead
> you'd issue instructions to read the next card, set a wordmark at 001, and
> branch to there.  The standard boot sequence fit in a little less than 3
> cards, iirc.  Weird machine, had 7-bit variable-length words, 2k upgradeable
> to 4k RAM, in the form of tiny magnetic donuts threaded on wires in a 3-d
> grid, the source of the term "core".  Soon there was tape and TOS, followed
> by disc and several flavors of home-brew DOS.
> Tape sorts were the most fun to watch.
> Tracy old fart Pierce
>
> > -----Original Message-----
> > From: Dave Darnell [mailto:[log in to unmask]]
> > Sent: Friday, November 03, 2000 12:23 PM
> > To: [log in to unmask]
> > Subject: Re: a non-math puzzle
> >
> >
> > Wow - how long ago was that?
> >
> > > -----Original Message-----
> > > From: Tracy Pierce [mailto:[log in to unmask]]
> > > Sent: Friday, November 03, 2000 1:03 PM
> > > To: [log in to unmask]
> > > Subject: Re: a non-math puzzle
> > >
> > >
> > > the first is bootstrap code for IBM 1401, sets word marks @
> > positions
> > > mentioned.
> > >
> > > no clue re the othe
> > > > -----Original Message-----
> > > > From: Joe Weisman [mailto:[log in to unmask]]
> > > > Sent: Friday, November 03, 2000 11:45 AM
> > > > To: [log in to unmask]
> > > > Subject: a non-math puzzle
> > > >
> > > >
> > > > OK, for old programmers, identify these two:
> > > >
> > > >              ,008015,022029
> > > >
> > > >              3400032007013600032007024902402511963611300102
> > > >
> > > >
> > > >
> > > > joe
> > > >
> > > > Joe Weisman ([log in to unmask] or 541-745-5265 voice, 541-745-5266 FAX)
> > > >
> > > >              i would rather learn from one bird how to sing
> > > >              than teach ten thousand stars how not to dance
> > > >
> > >
> >

--
Larry Barnes
Director of I.T.
Mitek Corp.
602-438-4545 x1366
Phoenix, AZ 85040

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