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Merge pull request #6630 from win2kgamer/ad1816-fixes

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AD1816 fixes
This commit is contained in:
Miran Grča
2025-12-28 00:21:35 +01:00
committed by GitHub
parent 47bff0fdb5 b65217a3cb
commit 2b53f5595e
1 changed files with 4 additions and 5 deletions
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9
src/sound/snd_ad1816.c
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@@ -129,12 +129,12 @@ ad1816_update_mastervol(void *priv)
if (ad1816->iregs[14] & 0x8000)
ad1816->master_l = 0;
else
ad1816->master_l = ad1816_vols_5bits[(ad1816->iregs[14] >> 8) & 0x1f] / 65536.0;
ad1816->master_l = ad1816_vols_5bits[((ad1816->iregs[14] >> 8) & 0x1f) >> 1] / 65536.0;
if (ad1816->iregs[14] & 0x0080)
ad1816->master_r = 0;
else
ad1816->master_r = ad1816_vols_5bits[(ad1816->iregs[14]) & 0x1f] / 65536.0;
ad1816->master_r = ad1816_vols_5bits[((ad1816->iregs[14]) & 0x1f) >> 1] / 65536.0;
}
void
@@ -327,17 +327,16 @@ ad1816_poll(void *priv)
if (ad1816->iregs[4] & 0x8000)
ad1816->out_l = 0;
else
ad1816->out_l = (int16_t) ((ad1816->out_l * ad1816_vols_6bits[(ad1816->iregs[4] >> 8) & 0x3f]) >> 16);
ad1816->out_l = (int16_t) ((ad1816->out_l * ad1816_vols_6bits[((ad1816->iregs[4] >> 8) & 0x3f) >> 1]) >> 16);
if (ad1816->iregs[4] & 0x0080)
ad1816->out_r = 0;
else
ad1816->out_r = (int16_t) ((ad1816->out_r * ad1816_vols_6bits[ad1816->iregs[4] & 0x3f]) >> 16);
ad1816->out_r = (int16_t) ((ad1816->out_r * ad1816_vols_6bits[(ad1816->iregs[4] & 0x3f) >> 1]) >> 16);
if (ad1816->count < 0) {
ad1816->count = ad1816->iregs[8];
ad1816->regs[1] |= 0x80;
ad1816->playback_pos = 0;
if (ad1816->iregs[1] & 0x8000) {
ad1816_log(ad1816->log, "AD1816 Playback interrupt fired\n");
picint(1 << ad1816->cur_irq);