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pico, fix psg sound and fast forward

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This commit is contained in:
kub 2022-10-14 18:47:20 +00:00
parent c9d5f41b0a
commit e44c606f39
2 changed files with 22 additions and 20 deletions
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22
pico/sound/sound.c
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@ -430,10 +430,18 @@ static int PsndRender(int offset, int length)
pprof_start(sound);
// Add in parts of the PSG output not yet done
if (length-psglen > 0 && PicoIn.sndOut) {
s16 *psgbuf = PicoIn.sndOut + (psglen << stereo);
Pico.snd.psg_pos += (length-psglen) << 20;
if (PicoIn.opt & POPT_EN_PSG)
SN76496Update(psgbuf, length-psglen, stereo);
}
if (PicoIn.AHW & PAHW_PICO) {
// XXX ugly hack, need to render sound for interrupts
s16 *buf16 = PicoIn.sndOut ? PicoIn.sndOut : (s16 *)PsndBuffer;
PicoPicoPCMUpdate(buf16+(offset<<stereo), length-offset, stereo);
// always need to render sound for interrupts
s16 *buf16 = PicoIn.sndOut ? PicoIn.sndOut + (offset<<stereo) : NULL;
PicoPicoPCMUpdate(buf16, length-offset, stereo);
return length;
}
@ -450,14 +458,6 @@ static int PsndRender(int offset, int length)
Pico.snd.dac_val2 = Pico.snd.dac_val;
}
// Add in parts of the PSG output not yet done
if (length-psglen > 0 && PicoIn.sndOut) {
s16 *psgbuf = PicoIn.sndOut + (psglen << stereo);
Pico.snd.psg_pos += (length-psglen) << 20;
if (PicoIn.opt & POPT_EN_PSG)
SN76496Update(psgbuf, length-psglen, stereo);
}
// Add in parts of the FM buffer not yet done
if (length-fmlen > 0 && PicoIn.sndOut) {
s32 *fmbuf = buf32 + ((fmlen-offset) << stereo);