Potential balance issue in OPL (YM3812)

aaronsgiles / ymfm

BSD-licensed Yamaha FM sound cores (OPM, OPN, OPL, and others)

BSD 3-Clause "New" or "Revised" License

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Potential balance issue in OPL (YM3812) #22

Closed aaronsgiles closed 2 years ago

aaronsgiles commented 2 years ago

See MAMETesters for details: https://mametesters.org/view.php?id=8108

aaronsgiles commented 2 years ago

Finally tracked this down, was missing a right shift in certain configurations of operators. Thanks for the detailed report. Took me a while to isolate the issue, but is obvious now that I see it.