The output could be negative, so better not to bit-shift it.

aaronsgiles / ymfm

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

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

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The output could be negative, so better not to bit-shift it. #27

Closed LeonardoDemartino closed 2 years ago

LeonardoDemartino commented 2 years ago

When running with UndefinedBehaviorSanitizer, we've got some messages like this one: runtime error: left shift of negative value -38 SUMMARY: UndefinedBehaviorSanitizer: undefined-behavior /src/ymfm_opl.cpp:1695:38 in

This commit fixed the issue.