MegaFlashROMSCC+ volume balance

Por GhostwriterP

Hero (626)

Imagen del GhostwriterP

23-08-2021, 13:49

Something has been bugging me for a while now. As we all know the MegaFlashROMSCC+ holds two sound chips SCC(+) and PSG (at 10h-12h). But it seems the volume balance between the two is not the same, the PSG is much louder. Perfect for Konami games the manual says, but not that perfect for me Wink
Does anyone know this a fixed ratio or can it be adjusted?

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Por Guillian

Prophet (3456)

Imagen del Guillian

23-08-2021, 14:59

The volume can not be adjusted. It can be changed by updating the FPGA configuration.
Indeed the volume of the PSG is twice louder. Originally the idea was to have two SCCs (left and right) so the PSG should sound louder.But due to lack of space in the FPGA, only one was implemented.

In the MegaFlashROM SCC+ SD both sound outputs have the same amplification.

Por GhostwriterP

Hero (626)

Imagen del GhostwriterP

23-08-2021, 17:08

OK, good to know. Thanks!