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More small pieces of ESS emulation

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This commit is contained in:
Cacodemon345
2024-03-02 17:12:26 +06:00
committed by Kagamiin~
parent d5dad279c4
commit 97b239aed5
2 changed files with 12 additions and 0 deletions
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11
src/sound/snd_sb_dsp.c
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@@ -1332,6 +1332,15 @@ sb_dsp_dma_attach(sb_dsp_t *dsp,
dsp->dma_priv = priv;
}
void
sb_ess_finish_dma(sb_dsp_t *dsp)
{
if (!dsp->ess_playback_mode)
return;
ESSreg(0xB8) &= ~0x01;
dma_set_drq(dsp->sb_8_dmanum, 0);
}
void
pollsb(void *priv)
{
@@ -1530,6 +1539,7 @@ pollsb(void *priv)
else {
dsp->sb_8_enable = 0;
timer_disable(&dsp->output_timer);
sb_ess_finish_dma(dsp);
}
sb_irq(dsp, 1);
}
@@ -1582,6 +1592,7 @@ pollsb(void *priv)
else {
dsp->sb_16_enable = 0;
timer_disable(&dsp->output_timer);
sb_ess_finish_dma(dsp);
}
sb_irq(dsp, 0);
}