HP Forum Archive 20

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BASIC BEEP Message #1 Posted by Howard Owen on 12 May 2011, 2:59 a.m. The beeper on the HP-71B is pretty cool. You can do lots of fun 1980s retro sounds with it. I had some fun with that in my dice games for the 71B. I even had a "raspberry" sound for when you zeroed out yatz. :) When I got back into RMB, I wasn't expecting to find anything as capable on my 9816. I vaguely remembered that the beeper on that machine is severely limited. Indeed, I find that RMB 2.0 running on a 9816 is limited to some oddly spaced frequencies. These appear on page 27 of the BASIC Language Reference. They are mostly useless for music, and limited for audible prompts. A lot of them are too high to listen to comfortably. But I found a use for the first three frequencies greater than zero on the list. BASIC Beep

Re: BASIC BEEP Message #2 Posted by Raymond Del Tondo on 12 May 2011, 7:26 a.m., in response to message #1 by Howard Owen Nothing to hear when played using MPC-HC , but I assume it should sound like the HP-41 BEEP ;-)

Re: BASIC BEEP Message #3 Posted by Marcus von Cube, Germany on 12 May 2011, 7:37 a.m., in response to message #2 by Raymond Del Tondo It's recorded at a very low volume. I had to increase the volume to maximum and put the ears near the speakers.

Re: BASIC BEEP Message #4 Posted by Walter B on 12 May 2011, 7:38 a.m., in response to message #1 by Howard Owen Quite a faint beep even with the amplifier turned to full volume ... hardly sufficient for a prompt IMHO.

Re: BASIC BEEP Message #5 Posted by Howard Owen on 12 May 2011, 11:40 a.m., in response to message #1 by Howard Owen Sorry guys. I forgot to turn on normalization when I rendered it to MP3. I had headphones on, so I didn't notice it was so quiet. It's fixed now. Walter, it sounds OK when you sit in front of the machine. :)

Re: BASIC BEEP Message #6 Posted by Garth Wilson on 12 May 2011, 5:03 p.m., in response to message #1 by Howard Owen The HP-71 NOISE LEX file statement was neat too. It seemed that with enough patience, you could make it talk (although I never tried).

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