diff options
Diffstat (limited to 'hw/audio/gusemu_mixer.c')
| -rw-r--r-- | hw/audio/gusemu_mixer.c | 28 |
1 files changed, 14 insertions, 14 deletions
diff --git a/hw/audio/gusemu_mixer.c b/hw/audio/gusemu_mixer.c index 701e8fb..00b9861 100644 --- a/hw/audio/gusemu_mixer.c +++ b/hw/audio/gusemu_mixer.c @@ -27,26 +27,26 @@ #include "gustate.h" #define GUSregb(position) (* (gusptr+(position))) -#define GUSregw(position) (*(GUSword *) (gusptr+(position))) -#define GUSregd(position) (*(GUSdword *)(gusptr+(position))) +#define GUSregw(position) (*(uint16_t *) (gusptr+(position))) +#define GUSregd(position) (*(uint16_t *)(gusptr+(position))) -#define GUSvoice(position) (*(GUSword *)(voiceptr+(position))) +#define GUSvoice(position) (*(uint16_t *)(voiceptr+(position))) /* samples are always 16bit stereo (4 bytes each, first right then left interleaved) */ void gus_mixvoices(GUSEmuState * state, unsigned int playback_freq, unsigned int numsamples, - GUSsample *bufferpos) + int16_t *bufferpos) { /* note that byte registers are stored in the upper half of each voice register! */ - GUSbyte *gusptr; + uint8_t *gusptr; int Voice; - GUSword *voiceptr; + uint16_t *voiceptr; unsigned int count; for (count = 0; count < numsamples * 2; count++) *(bufferpos + count) = 0; /* clear */ gusptr = state->gusdatapos; - voiceptr = (GUSword *) gusptr; + voiceptr = (uint16_t *) gusptr; if (!(GUSregb(GUS4cReset) & 0x01)) /* reset flag active? */ return; @@ -85,16 +85,16 @@ void gus_mixvoices(GUSEmuState * state, unsigned int playback_freq, unsigned int if (GUSvoice(wVSRControl) & 0x400) /* 16bit */ { int offset = ((CurrPos >> 9) & 0xc0000) + (((CurrPos >> 9) & 0x1ffff) << 1); - GUSchar *adr; - adr = (GUSchar *) state->himemaddr + offset; + int8_t *adr; + adr = (int8_t *) state->himemaddr + offset; sample1 = (*adr & 0xff) + (*(adr + 1) * 256); sample2 = (*(adr + 2) & 0xff) + (*(adr + 2 + 1) * 256); } else /* 8bit */ { int offset = (CurrPos >> 9) & 0xfffff; - GUSchar *adr; - adr = (GUSchar *) state->himemaddr + offset; + int8_t *adr; + adr = (int8_t *) state->himemaddr + offset; sample1 = (*adr) * 256; sample2 = (*(adr + 1)) * 256; } @@ -171,8 +171,8 @@ void gus_mixvoices(GUSEmuState * state, unsigned int playback_freq, unsigned int } /* mix samples into buffer */ - *(bufferpos + 2 * sample) += (GUSsample) ((sample1 * PanningPos) >> 4); /* right */ - *(bufferpos + 2 * sample + 1) += (GUSsample) ((sample1 * (15 - PanningPos)) >> 4); /* left */ + *(bufferpos + 2 * sample) += (int16_t) ((sample1 * PanningPos) >> 4); /* right */ + *(bufferpos + 2 * sample + 1) += (int16_t) ((sample1 * (15 - PanningPos)) >> 4); /* left */ } /* write back voice and volume */ GUSvoice(wVSRCurrVol) = Volume32 / 32; @@ -187,7 +187,7 @@ void gus_irqgen(GUSEmuState * state, unsigned int elapsed_time) /* time given in microseconds */ { int requestedIRQs = 0; - GUSbyte *gusptr; + uint8_t *gusptr; gusptr = state->gusdatapos; if (GUSregb(TimerDataReg2x9) & 1) /* start timer 1 (80us decrement rate) */ { |