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Some AD1848 cleanups I forgot

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This commit is contained in:
RichardG867
2021-05-21 12:52:14 -03:00
parent ef4c900b8f
commit f2f8d4a02e
2 changed files with 15 additions and 25 deletions
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30
src/include/86box/snd_ad1848.h
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@@ -24,32 +24,22 @@
typedef struct {
int index;
uint8_t regs[32]; /* 16 original + 16 CS4231A extensions */
uint8_t status;
int index;
uint8_t regs[32], status; /* 16 original registers + 16 CS4231A extensions */
int trd;
int mce;
int trd, mce, count;
int count;
int16_t out_l, out_r;
int16_t out_l, out_r;
double cd_vol_l, cd_vol_r;
double cd_vol_l, cd_vol_r;
int enable;
int enable, irq, dma, freq;
int irq, dma;
int freq;
pc_timer_t timer_count;
uint64_t timer_latch;
pc_timer_t timer_count;
uint64_t timer_latch;
int16_t buffer[SOUNDBUFLEN * 2];
int pos;
int type;
int16_t buffer[SOUNDBUFLEN * 2];
int pos, type;
} ad1848_t;

10
src/sound/snd_ad1848.c
View File

@@ -40,14 +40,14 @@ static double ad1848_vols_5bits_aux_gain[32];
void
ad1848_setirq(ad1848_t *ad1848, int irq)
{
ad1848->irq = irq;
ad1848->irq = irq;
}
void
ad1848_setdma(ad1848_t *ad1848, int dma)
{
ad1848->dma = dma;
ad1848->dma = dma;
}
@@ -90,8 +90,8 @@ ad1848_write(uint16_t addr, uint8_t val, void *priv)
ad1848->index = val & 0x1f; /* cs4231a extended mode enabled */
else
ad1848->index = val & 0x0f; /* ad1848/cs4248 mode TODO: some variants/clones DO NOT mirror, just ignore the writes? */
ad1848->trd = val & 0x20;
ad1848->mce = val & 0x40;
ad1848->trd = val & 0x20;
ad1848->mce = val & 0x40;
break;
case 1:
@@ -109,7 +109,7 @@ ad1848_write(uint16_t addr, uint8_t val, void *priv)
case 7: freq /= 2560; break;
}
ad1848->freq = freq;
ad1848->timer_latch = (uint64_t)((double)TIMER_USEC * (1000000.0 / (double)ad1848->freq));
ad1848->timer_latch = (uint64_t) ((double) TIMER_USEC * (1000000.0 / (double) ad1848->freq));
break;
case 9: