80486DX2-66/86Box-fork
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Revert to the code which was working on XP

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This commit is contained in:
RichardG867
2021-07-11 17:04:41 -03:00
parent b9c68bf277
commit 2fa909ab91
1 changed files with 4 additions and 5 deletions
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9
src/sound/snd_ac97_via.c
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@@ -125,8 +125,8 @@ static void
ac97_via_sgd_block_start(ac97_via_t *dev)
{
/* Start at first entry. */
/*if (!dev->sgd_entry_ptr)
dev->sgd_entry_ptr = (dev->sgd_regs[0x07] << 24) | (dev->sgd_regs[0x06] << 16) | (dev->sgd_regs[0x05] << 8) | (dev->sgd_regs[0x04] & 0xfe);*/
if (!dev->sgd_entry_ptr)
dev->sgd_entry_ptr = (dev->sgd_regs[0x07] << 24) | (dev->sgd_regs[0x06] << 16) | (dev->sgd_regs[0x05] << 8) | (dev->sgd_regs[0x04] & 0xfe);
/* Read entry. */
dev->sgd_entry = ((uint64_t) mem_readl_phys(dev->sgd_entry_ptr + 4) << 32ULL) | (uint64_t) mem_readl_phys(dev->sgd_entry_ptr);
@@ -291,7 +291,7 @@ ac97_via_sgd_write(uint16_t addr, uint8_t val, void *priv)
dev->sgd_regs[0x00] &= ~0x44;
dev->sgd_entry = 0;
dev->sgd_entry_ptr = (dev->sgd_regs[0x07] << 24) | (dev->sgd_regs[0x06] << 16) | (dev->sgd_regs[0x05] << 8) | (dev->sgd_regs[0x04] & 0xfe);
dev->sgd_entry_ptr = 0;
}
}
/* Stop SGD if requested. */
@@ -465,7 +465,6 @@ static void
ac97_via_poll(void *priv)
{
ac97_via_t *dev = (ac97_via_t *) priv;
uint8_t irq = 0;
timer_advance_u64(&dev->timer_count, dev->timer_latch);
@@ -540,7 +539,7 @@ ac97_via_poll(void *priv)
ac97_via_log(" restart\n");
dev->sgd_regs[0x00] &= ~0x08;
dev->sgd_entry_ptr = (dev->sgd_regs[0x07] << 24) | (dev->sgd_regs[0x06] << 16) | (dev->sgd_regs[0x05] << 8) | (dev->sgd_regs[0x04] & 0xfe);
dev->sgd_entry_ptr = 0;
} else {
ac97_via_log(" finish\n");
dev->sgd_regs[0x00] &= ~0x80;