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Mix sound sources in 32-bit buffer, then clip to 16-bit for output. Fixes overflow in some situations, eg MegaRace on SB16.

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This commit is contained in:
SarahW 2016-05-22 16:04:19 +01:00
commit d2b6ea7fa3
15 changed files with 60 additions and 37 deletions
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2
src/sound_pssj.c
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@ -167,7 +167,7 @@ static void pssj_callback(void *p)
pssj->timer_count += (int)(TIMER_USEC * (1000000.0 / 3579545.0) * (double)(pssj->freq ? pssj->freq : 0x400));
}
static void pssj_get_buffer(int16_t *buffer, int len, void *p)
static void pssj_get_buffer(int32_t *buffer, int len, void *p)
{
pssj_t *pssj = (pssj_t *)p;
int c;