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SPU: correctly read negative ADPCM initial values. fixes #1261

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This commit is contained in:
Arisotura 2021-11-23 18:47:54 +01:00
parent 97e599f90f
commit c04e43702c
1 changed files with 1 additions and 1 deletions
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2
src/SPU.cpp
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@ -394,7 +394,7 @@ void Channel::NextSample_ADPCM()
{
// setup ADPCM
u32 header = FIFO_ReadData<u32>();
ADPCMVal = header & 0xFFFF;
ADPCMVal = (s32)(s16)(header & 0xFFFF);
ADPCMIndex = (header >> 16) & 0x7F;
if (ADPCMIndex > 88) ADPCMIndex = 88;