sound logic

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james cardona

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Nov 26, 2013, 7:32:39 AM11/26/13
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Has anyone ever investigated reprogramming the sound asic?  does anyone know how difficult that would be?  It seems like we already know what the incoming calls are and what the outgoing should be.  How hard would it be to reprogram it so that we could burn different sounds into the roms?

Ewan Meadows

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Nov 26, 2013, 9:50:17 AM11/26/13
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If you mean keeping the WMS sound OS and replacing the data, I think
that this isn't a good idea, for many reasons. I believe Brian did
start on a FreeWPC sound OS but then got bogged down with the
synthesiser chip.
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Brian Dominy

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Nov 26, 2013, 10:27:13 AM11/26/13
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It's not a bad idea, but it's outside the scope of FreeWPC.  The sound board needs its own OS.  Early WPC games used a 6809 based sound board; later DCS games have totally different components.  I experimented with it some, and made some rudimentary sounds come out, but wasn't interested enough to pursue it.

To code the pre-DCS games, I don't think it can be done in C either - you'd have to write most of it in assembly language.
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