cornelisser / TriloTracker

MSX Music tracker for PSG+SCC, PSG+FM and PSG (SN7)+FM.

Home Page:http://www.trilobyte-msx.com/TriloTracker

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Still some sounds when PSG is muted in TT

cornelisser opened this issue · comments

This is and issue with the specific sound chips; SCC and FM

SCC -> The mixer register is not fully muting updates to the registers.
FM -> Even with volumes muted there still can be some sound produced. Even without a key-on trigger.

Avoiding any register updates when muted might solve the issue. More tests are needed.

I ran into a similar issue when doing this:

Set mixer in favor of SCC
Turn PSG volume down in pattern editor
PSG should be very loud

Maybe something's underflowing.

Thanks. Seems that there is something wring with the max mixer settings too. Will look into that too/