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aica: don't change LEA for non-looping sounds 

Non-looping sounds with LSA=0 and LEA=0 shouldn't be played at all.
Regression introduced by dac5b991e0.
Fixes white noise in Sonic Adventure Emerald Coast action stage.
Issue #1264
This commit is contained in:
Flyinghead 2023-10-27 14:52:07 +02:00
parent 8fb3def2d5
commit 93e47dd410
1 changed files with 5 additions and 6 deletions
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11
core/hw/aica/sgc_if.cpp
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@ -600,6 +600,9 @@ struct ChannelEx
step.full = 0;
loop.looped = false;
if (loop.LEA <= loop.LSA && ccd->LPCTL == 1)
// Legacy of Kain
loop.LEA = 0xffff;
adpcm.Reset(this);
@ -607,7 +610,7 @@ struct ChannelEx
key_printf("[%d] KEY_ON %s @ %f Hz, loop %d - AEG AR %d DC1R %d DC2V %d DC2R %d RR %d - KRS %d OCT %d FNS %d - PFLOS %d PFLOWS %d - SA %x LSA %x LEA %x",
ChannelNumber, stream_names[ccd->PCMS], (44100.0 * update_rate) / 1024, ccd->LPCTL,
ccd->AR, ccd->D1R, ccd->DL << 5, ccd->D2R, ccd->RR,
ccd->KRS, ccd->OCT, ccd->FNS >> 9,
ccd->KRS, ccd->OCT, ccd->FNS,
ccd->PLFOS, ccd->PLFOWS, (int)(SA - &aica_ram[0]), ccd->LSA, ccd->LEA);
}
@ -643,11 +646,7 @@ struct ChannelEx
void UpdateLoop()
{
loop.LSA = ccd->LSA;
if (ccd->LEA > ccd->LSA)
loop.LEA = ccd->LEA;
else
// Legacy of Kain
loop.LEA = 0xffff;
loop.LEA = ccd->LEA;
}
s32 EG_BaseRate()