diff options
Diffstat (limited to 'src/SPU.cpp')
| -rw-r--r-- | src/SPU.cpp | 19 |
1 files changed, 16 insertions, 3 deletions
diff --git a/src/SPU.cpp b/src/SPU.cpp index dd057d3..28582db 100644 --- a/src/SPU.cpp +++ b/src/SPU.cpp @@ -52,7 +52,7 @@ const s16 PSGTable[8][8] = {-0x7FFF, -0x7FFF, -0x7FFF, 0x7FFF, 0x7FFF, 0x7FFF, 0x7FFF, 0x7FFF}, {-0x7FFF, -0x7FFF, 0x7FFF, 0x7FFF, 0x7FFF, 0x7FFF, 0x7FFF, 0x7FFF}, {-0x7FFF, 0x7FFF, 0x7FFF, 0x7FFF, 0x7FFF, 0x7FFF, 0x7FFF, 0x7FFF}, - { 0x7FFF, 0x7FFF, 0x7FFF, 0x7FFF, 0x7FFF, 0x7FFF, 0x7FFF, 0x7FFF} + {-0x7FFF, -0x7FFF, -0x7FFF, -0x7FFF, -0x7FFF, -0x7FFF, -0x7FFF, -0x7FFF} }; const u32 OutputBufferSize = 2*1024; @@ -99,6 +99,12 @@ void Reset() } +void SetBias(u16 bias) +{ + Bias = bias; +} + + Channel::Channel(u32 num) { Num = num; @@ -358,8 +364,15 @@ void Mix(u32 samples) l = ((s64)l * MasterVolume) >> 7; r = ((s64)r * MasterVolume) >> 7; - OutputBuffer[OutputWriteOffset ] = l >> 12; - OutputBuffer[OutputWriteOffset + 1] = r >> 12; + l >>= 12; + if (l < -0x8000) l = -0x8000; + else if (l > 0x7FFF) l = 0x7FFF; + r >>= 12; + if (r < -0x8000) r = -0x8000; + else if (r > 0x7FFF) r = 0x7FFF; + + OutputBuffer[OutputWriteOffset ] = l << 3; + OutputBuffer[OutputWriteOffset + 1] = r << 3; OutputWriteOffset += 2; OutputWriteOffset &= ((2*OutputBufferSize)-1); } |