Marcus, I think you had said that you had the MSM5232 datasheet in paper form. I would love to get my hands on that datasheet because although I have been able to reverse engineer the existing code, I know the MSM is capable of some white noise sounds (since it does this in several arcade games). So if you have a look for it that would be great. Mike.
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MSM5232 datasheet
2008-05-29 by korgpolyex800