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psp snd output improved

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git-svn-id: file:///home/notaz/opt/svn/PicoDrive@288 be3aeb3a-fb24-0410-a615-afba39da0efa
This commit is contained in:
notaz 2007-11-01 09:39:56 +00:00
parent d0ae0cb4bb
commit 88b3d7c16a
3 changed files with 29 additions and 16 deletions
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14
Pico/sound/sound.c
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@ -220,8 +220,14 @@ PICO_INTERNAL void PsndClear(void)
{
int len = PsndLen;
if (PsndLen_exc_add) len++;
if (PicoOpt & 8) memset32((int *) PsndOut, 0, len); // clear both channels at once
else memset(PsndOut, 0, len<<1);
if (PicoOpt & 8)
memset32((int *) PsndOut, 0, len); // assume PsndOut to be aligned
else {
short *out = PsndOut;
if ((int)out & 2) { *out++ = 0; len--; }
memset32((int *) out, 0, len/2);
if (len & 1) out[len-1] = 0;
}
}
@ -248,9 +254,9 @@ PICO_INTERNAL int PsndRender(int offset, int length)
SN76496Update(PsndOut+offset, length, stereo);
// Add in the stereo FM buffer
if (PicoOpt & 1) {
if (PicoOpt & 1)
buf32_updated = YM2612UpdateOne(buf32, length, stereo, 1);
} else
else
memset32(buf32, 0, length<<stereo);
//printf("active_chs: %02x\n", buf32_updated);