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notaz / picodrive

Fast MegaDrive/MegaCD/32X emulator
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Fix PCM samples interrupting BGM in various BMB games #155

Closed techmetx11 closed 1 year ago

techmetx11 commented 1 year ago

BMB games play PCM samples with the MVSTracker Z80 driver and play BGM with the TFM Music Maker 68k driver if the first music group is selected (if the second is selected, it'll play both BGM and PCM samples using the MVSTracker Z80 driver) This causes an issue if the game decides to play a sample, since it'll release the bus after playing the sample, causing the 68k driver to lose access to the YM2612. The developers were most likely not aware of this bug, maybe because they tested the game with inaccurate emulators back then (Kega Fusion/DGEN does not emulate the 68k losing access to the Z80 bus after releasing the bus)

techmetx11 commented 1 year ago

Closed due to emulator being inactive