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Fix timer bugs in Windows Sound System emulation.

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This commit is contained in:
SarahW 2019-05-04 18:26:14 +01:00
commit 8a7c3d78e7
1 changed files with 4 additions and 4 deletions
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8
src/sound_ad1848.c
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@ -67,16 +67,16 @@ void ad1848_write(uint16_t addr, uint8_t val, void *p)
case 7: freq /= 2560; break;
}
ad1848->freq = freq;
ad1848->timer_latch = (int)((double)TIMER_USEC * (1000000.0 / (double)ad1848->freq));
ad1848->timer_latch = (uint64_t)((double)TIMER_USEC * (1000000.0 / (double)ad1848->freq));
break;
case 9:
if (!ad1848->enable && (val & 0x41) == 0x01)
{
if (ad1848->timer_latch)
timer_advance_u64(&ad1848->timer, ad1848->timer_latch);
timer_set_delay_u64(&ad1848->timer, ad1848->timer_latch);
else
timer_advance_u64(&ad1848->timer, TIMER_USEC);
timer_set_delay_u64(&ad1848->timer, TIMER_USEC);
}
ad1848->enable = ((val & 0x41) == 0x01);
if (!ad1848->enable)
@ -122,7 +122,7 @@ static void ad1848_poll(void *p)
if (ad1848->timer_latch)
timer_advance_u64(&ad1848->timer, ad1848->timer_latch);
else
timer_advance_u64(&ad1848->timer, TIMER_USEC);
timer_advance_u64(&ad1848->timer, TIMER_USEC*1000);
ad1848_update(ad1848);