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Autolen updating

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This commit is contained in:
Cacodemon345
2024-03-04 00:16:04 +06:00
committed by Kagamiin~
parent 6ab45767e5
commit d46e00e5a0
1 changed files with 9 additions and 1 deletions
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10
src/sound/snd_sb_dsp.c
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@@ -644,6 +644,10 @@ static uint8_t sb_ess_read_reg(sb_dsp_t *dsp, uint8_t reg)
return 0xFF;
}
static void sb_ess_update_autolen(sb_dsp_t *dsp) {
dsp->sb_8_autolen = dsp->sb_16_autolen = sb_ess_get_dma_len(dsp);
}
static void sb_ess_write_reg(sb_dsp_t *dsp, uint8_t reg, uint8_t data)
{
uint8_t chg = 0x00;
@@ -671,7 +675,8 @@ static void sb_ess_write_reg(sb_dsp_t *dsp, uint8_t reg, uint8_t data)
case 0xA4: /* DMA Transfer Count Reload (low) */
case 0xA5: /* DMA Transfer Count Reload (high) */
ESSreg(reg) = data;
if (dsp->sb_16_length == 0 || dsp->sb_8_length == 0)
sb_ess_update_autolen(dsp);
if (dsp->sb_16_length < 0 || dsp->sb_8_length < 0)
dsp->ess_reload_len = 1;
break;
@@ -741,6 +746,9 @@ static void sb_ess_write_reg(sb_dsp_t *dsp, uint8_t reg, uint8_t data)
if (chg & 1)
dsp->ess_reload_len = 1;
if (chg & 4)
sb_ess_update_autolen(dsp);
if (chg & 0xB) {
if (chg & 0xA) sb_stop_dma_ess(dsp); /* changing capture/playback direction? stop DMA to reinit */
sb_ess_update_dma_status(dsp);