devkitPro

You have to record to a buffer and check the values there. If MAX-MIN> some threshold I bet you could assume someone is blowing into the mic. Surely there are better ways

I don't see your code loading any palette...

id is int? How you initialized it?

If it's ok for you to have the same extended palettes for backgrounds 0 and 2 and for backgrounds 1 and 3, then you could use VRAM_BANK_F or VRAM_BANK_G, which are only 16KB and you won't waste anything. To achieve this, you should set BG0 to use the extended palettes for BG2 using BG_PALETTE_SLOT2 ...

the community is not much active nowadays, true, but there are lots of docs around and probably you would also have some support from oldtimers...

FYI the correction that fixed the bug was:

in mm_effect.s (around line 230) the 3rd line should be changed to

One last test , I finally found out that the problem was related to firing two SFX at the same time. If you fire both effects (just press 'L' shoulder key) and you wait for them to release both channels, no problem. If you fire them again with a short to very short delay in between, you'll make one...

Here 's another test: no modules, just SFX. I reduced the channels to 6, to be able to fire enough SFX to saturate them. If you click shoulder buttons like crazy, after a while you'll see that some channels are stuck to 0. This means it's no longer able to use that channel. Full source follows. Eve...

Yesterday evening I noticed I can make the bug appear even without restarting the module... just triggering sound effects like crazy makes the program malfunctioning. So I bet the problem can be related to trying to use at a given moment more channels than those available. :evil: The search goes on...

Here 's the small test program. If you keep on firing SFXs (shoulder keys) and while they're playing you restart the module (A or B keys) you'll see and hear that something is going wrong (on no$gba emulator too). Full source (just few lines) it's right here: #include <gba_console.h> #include <gba_...