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-rw-r--r--libretro.c2
-rw-r--r--source/apu.c14
-rw-r--r--source/soundux.c21
-rw-r--r--source/spc700.c4
-rw-r--r--source/spc700.h4
5 files changed, 17 insertions, 28 deletions
diff --git a/libretro.c b/libretro.c
index 1cb7b30..1fce510 100644
--- a/libretro.c
+++ b/libretro.c
@@ -662,7 +662,7 @@ bool retro_unserialize(const void* data, size_t size)
S9xReset();
#ifndef USE_BLARGG_APU
uint8_t* IAPU_RAM_current = IAPU.RAM;
- uint32_t IAPU_RAM_offset;
+ uintptr_t IAPU_RAM_offset;
#endif
memcpy(&CPU, buffer, sizeof(CPU));
buffer += sizeof(CPU);
diff --git a/source/apu.c b/source/apu.c
index 9d18242..28214e1 100644
--- a/source/apu.c
+++ b/source/apu.c
@@ -61,8 +61,8 @@ void S9xResetAPU()
APU.Cycles = 0;
IAPU.Registers.YA.W = 0;
IAPU.Registers.X = 0;
- IAPU.Registers.S = 0xff;
- IAPU.Registers.P = 0;
+ IAPU.Registers.S = 0xef;
+ IAPU.Registers.P = 0x02;
S9xAPUUnpackStatus();
IAPU.Registers.PC = 0;
IAPU.APUExecuting = Settings.APUEnabled;
@@ -211,7 +211,8 @@ void S9xSetAPUDSP(uint8_t byte)
APU.DSP [APU_ENDX] &= ~mask;
S9xPlaySample(c);
}
- else KeyOn |= mask;
+ else
+ KeyOn |= mask;
}
}
}
@@ -244,7 +245,7 @@ void S9xSetAPUDSP(uint8_t byte)
case APU_P_LOW + 0x50:
case APU_P_LOW + 0x60:
case APU_P_LOW + 0x70:
- S9xSetSoundHertz(reg >> 4, (((int16_t) byte + ((int16_t) APU.DSP [reg + 1] << 8)) & FREQUENCY_MASK) / 8);
+ S9xSetSoundHertz(reg >> 4, ((((int16_t) byte + ((int16_t) APU.DSP [reg + 1] << 8)) & FREQUENCY_MASK) * 32000) >> 12);
break;
case APU_P_HIGH + 0x00:
case APU_P_HIGH + 0x10:
@@ -442,7 +443,10 @@ uint8_t S9xGetAPUDSP()
case APU_ENVX + 0x50:
case APU_ENVX + 0x60:
case APU_ENVX + 0x70:
- return 0;
+ {
+ int32_t eVal = SoundData.channels [reg >> 4].envx;
+ return (eVal > 0x7F) ? 0x7F : (eVal < 0 ? 0 : eVal);
+ }
default:
break;
}
diff --git a/source/soundux.c b/source/soundux.c
index 86db199..3f1a1fa 100644
--- a/source/soundux.c
+++ b/source/soundux.c
@@ -81,8 +81,6 @@ uint32_t KeyOffERate [10];
#define VOL_DIV16 0x0080
#define ENVX_SHIFT 24
-void DecodeBlockAsm(int8_t*, int16_t*, int32_t*, int32_t*);
-
// F is channel's current frequency and M is the 16-bit modulation waveform
// from the previous channel multiplied by the current envelope volume level.
#define PITCH_MOD(F,M) ((F) * ((((uint32_t) (M)) + 0x800000) >> 16) >> 7)
@@ -211,7 +209,8 @@ void S9xSetEchoFeedback(int32_t feedback)
void S9xSetEchoDelay(int32_t delay)
{
- SoundData.echo_buffer_size = (delay * so.playback_rate) >> 5;
+ SoundData.echo_buffer_size = (512 * delay * so.playback_rate) / 32000;
+ SoundData.echo_buffer_size <<= 1;
if (SoundData.echo_buffer_size)
SoundData.echo_ptr %= SoundData.echo_buffer_size;
else
@@ -323,20 +322,6 @@ void S9xSetEnvelopeHeight(int32_t channel, int32_t level)
S9xAPUSetEndOfSample(channel, ch);
}
-int32_t S9xGetEnvelopeHeight(int32_t channel)
-{
- if ((Settings.SoundEnvelopeHeightReading ||
- SNESGameFixes.SoundEnvelopeHeightReading2) &&
- SoundData.channels[channel].state != SOUND_SILENT &&
- SoundData.channels[channel].state != SOUND_GAIN)
- return SoundData.channels[channel].envx;
-
- if (SNESGameFixes.SoundEnvelopeHeightReading2 && SoundData.channels[channel].state != SOUND_SILENT)
- return SoundData.channels[channel].envx;
-
- return 0;
-}
-
void S9xSetSoundFrequency(int32_t channel, int32_t hertz) // hertz [0~64K<<1]
{
if (SoundData.channels[channel].type == SOUND_NOISE)
@@ -362,7 +347,7 @@ void DecodeBlock(Channel* ch)
uint8_t shift;
int8_t sample1, sample2;
- if (ch->block_pointer >= 0x10000 - 9)
+ if (ch->block_pointer > 0x10000 - 9)
{
ch->last_block = true;
ch->loop = false;
diff --git a/source/spc700.c b/source/spc700.c
index 53bbb1b..6737e30 100644
--- a/source/spc700.c
+++ b/source/spc700.c
@@ -28,9 +28,9 @@ uint32_t Work32 = 0;
if (IAPU.WaitCounter == 0) \
{ \
if (!ICPU.CPUExecuting) \
- APU.Cycles = CPU.Cycles = CPU.NextEvent; \
+ APU.Cycles = CPU.Cycles = CPU.NextEvent; \
else \
- IAPU.APUExecuting = false; \
+ IAPU.APUExecuting = false; \
} \
else if (IAPU.WaitCounter >= 2) \
IAPU.WaitCounter = 1; \
diff --git a/source/spc700.h b/source/spc700.h
index 53bc1b6..8d8740d 100644
--- a/source/spc700.h
+++ b/source/spc700.h
@@ -71,8 +71,8 @@ typedef struct
#define APU_EXECUTE() \
if (IAPU.APUExecuting) \
{\
- while (APU.Cycles <= CPU.Cycles) \
- APU_EXECUTE1(); \
+ while (APU.Cycles <= CPU.Cycles) \
+ APU_EXECUTE1(); \
}
#endif