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Handle length reloading correctly

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This commit is contained in:
Cacodemon345
2024-03-04 01:35:34 +06:00
committed by Kagamiin~
parent 650b7e633b
commit 68f6779b2f
1 changed files with 5 additions and 2 deletions
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7
src/sound/snd_sb_dsp.c
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@@ -437,8 +437,9 @@ sb_start_dma_ess(sb_dsp_t* dsp)
uint8_t real_format = 0;
uint32_t len = !(ESSreg(0xB7) & 4) ? dsp->sb_8_length : dsp->sb_16_length;
if (!dsp->ess_reload_len) {
if (dsp->ess_reload_len) {
len = sb_ess_get_dma_len(dsp);
dsp->ess_reload_len = 0;
}
if (IS_ESS(dsp)) {
@@ -676,7 +677,7 @@ static void sb_ess_write_reg(sb_dsp_t *dsp, uint8_t reg, uint8_t data)
case 0xA5: /* DMA Transfer Count Reload (high) */
ESSreg(reg) = data;
sb_ess_update_autolen(dsp);
if (dsp->sb_16_length < 0 || dsp->sb_8_length < 0)
if ((dsp->sb_16_length < 0 && !dsp->sb_16_enable) && (dsp->sb_8_length < 0 && !dsp->sb_8_enable))
dsp->ess_reload_len = 1;
break;
@@ -1912,6 +1913,7 @@ sb_poll_i(void *priv)
else {
dsp->sb_8_enable = 0;
timer_disable(&dsp->input_timer);
sb_ess_finish_dma(dsp);
}
sb_irq(dsp, 1);
}
@@ -1960,6 +1962,7 @@ sb_poll_i(void *priv)
else {
dsp->sb_16_enable = 0;
timer_disable(&dsp->input_timer);
sb_ess_finish_dma(dsp);
}
sb_irq(dsp, 0);
}