Date: Mon, 8 Nov 2004 16:18:25 -0600 (CST) From: Mark Linimon <linimon@lonesome.com> To: Poul-Henning Kamp <phk@phk.freebsd.dk> Cc: Paul Richards <paul@originative.co.uk> Subject: Re: cvs commit: src/sys/kern subr_param.c Message-ID: <Pine.LNX.4.44.0411081614540.16213-100000@pancho> In-Reply-To: <11439.1099941912@critter.freebsd.dk>
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Indeed, in 1972 I was running demos on a PDP-11/20 where we 'played the core' via timing loops. You needed a handy AM radio on top of the CPU to demonstrate this. IIRC that one played the intro to "Light My Fire". (Of course, since core was non-volatile, it was fun to start the thing and turn off the power and let the next user be surprised ...) A different demo ran the output of the D/A converters for our "advanced" graphical display into a stereo preamp. That one played one of the Bach 2-part inventions. And yes indeed folks, both of the above programs were initially written by their creator _by toggling them in from the front panel_, music data and all. mcl
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