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Sensation audio: Fix PCM playback under Windows 3.1 and properly decrement the counter for all formats

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win2kgamer
2026-01-26 22:12:14 -06:00
parent d8b57ac875
commit 2c9ba5aae8
1 changed files with 16 additions and 4 deletions
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20
src/sound/snd_sensation.c
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@@ -236,8 +236,7 @@ sensation_visdac_poll(void *priv)
sensation_visdac_update(dev);
if ((dev->visdac_mode & 0x10) && (dev->visdac_regs[0x0e] >= 0x01 || dev->visdac_regs[0x0c] >= 0x12)) {
//if (dev->visdac_mode & 0x10) {
if (dev->visdac_mode & 0x10) {
int32_t temp;
uint8_t format;
@@ -298,8 +297,21 @@ sensation_visdac_poll(void *priv)
picint(1 << dev->visdac_irq);
}
}
if (!(dev->visdac_playback_pos & 0x03))
dev->visdac_count--;
switch (format) {
case 0x80: /* 8-bit Mono */
if (!(dev->visdac_playback_pos & 0x01))
dev->visdac_count--;
break;
case 0x00: /* 8-bit Stereo */
case 0x88: /* 16-bit Mono */
dev->visdac_count--;
break;
case 0x08: /* 16-bit Stereo */
dev->visdac_count -= 2;
break;
default:
break;
}
} else {
dev->visdac_out_l = dev->visdac_out_r = 0;
}