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AWJ |
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Reged: 03/08/05
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Posts: 936
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Loc: Ottawa, Ontario
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Re: MAME debugger question
10/04/14 09:43 PM
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The ADPCM is a Konami custom format; it's not something you'll be able to encode to with off-the-shelf audio tools. It's a simple enough encoding that if you play back the data as signed 8-bit PCM you'll hear distorted but recognizable sounds, but that doesn't work the other way; if you try to play back actual 8-bit PCM data as Konami ADPCM you'll just get noise.
The "header" inside the sample ROM (the section with all the ASCII strings starting with KDSC) isn't actually used by the hardware or by the game software. The sample tables the game actually uses are in the Z80 program ROM. Only simpsons and vendetta even have that "header"; it's absent in other games using the same sound chip (like tmnt2)
Edited by AWJ (10/04/14 09:52 PM)
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