Re: [Inform] Sound


06 Dec 1995 09:10:13 -0500

>>>>> "David" == David Kinder <kinder@teaching.physics.ox.ac.uk> writes:

David> Andrew C. Plotkin (erkyrath+@CMU.EDU) wrote: :
David> russotto@wanda.pond.com (Matthew T. Russotto) writes: : > In
David> article <IkioEPm00WB7Mg4qQJ@andrew.cmu.edu>, : > Andrew
David> C. Plotkin <erkyrath+@CMU.EDU> wrote: : > }I know most ZIP
David> ports support at least the '@sound_effect 1;' beep, : > }but
David> do any handle the full opcode plus the callback? : > : > The
David> Amiga port and one of the Mac ports handles most of it, but
David> not : > the callback.

David> : Once that's done, I'll probably go wild and start doing
David> sound-effect : support... oh boy... but I'll probably leave
David> the callback out as well. : (It's really not worth writing
David> the full Z-machine interrupt support. : Especially since I'd
David> probably get it wrong.)

David> I just put the callback in my Amiga interpreter over the
David> weekend, and provided that your operating system can tell you
David> when a sound has finished it's easy. Testing is simple - it's
David> used in Sherlock when you summon a cab; the sound of the cab
David> approaching is played three times, in increasing volume.

David> BTW, I'd expect that the Amiga sound effects can be played on
David> the Mac, provided you xor the data with 0x80 (which is what
David> is required to turn the Mac Sherlock sounds into something
David> the Amiga can cope with).

Another BTB, I got both Lost Treasures Volumes, and my Sherlock plays
_no_ sounds, nor does Lurking Horror? (Was it supposed to?) I'm using a
PowerMac, and I've been intrigued ever since I heard about these games
using sound.

Thanks,

David> David

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		   Zachery J. Bir - zbir@indiana.edu
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