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Reading SB DSP port 0Ch now gets the DSP out of the reset state - fixes Inherit the Orb detection of the Sound Blaster Pro.

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OBattler
2024-07-19 20:09:21 +02:00
parent 7d1202f2d1
commit d4a718cc2f
1 changed files with 4 additions and 0 deletions
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4
src/sound/snd_sb_dsp.c
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@@ -1886,6 +1886,10 @@ sb_read(uint16_t a, void *priv)
dsp->state = DSP_S_NORMAL; dsp->state = DSP_S_NORMAL;
break; break;
case 0xC: /* Write data ready */ case 0xC: /* Write data ready */
/* Advance the state just in case something reads from here
without reading the status first. */
if (dsp->state == DSP_S_RESET_WAIT)
dsp->state = DSP_S_NORMAL;
if ((dsp->state == DSP_S_NORMAL) || IS_ESS(dsp)) { if ((dsp->state == DSP_S_NORMAL) || IS_ESS(dsp)) {
if (dsp->sb_8_enable || dsp->sb_type >= SB16) if (dsp->sb_8_enable || dsp->sb_type >= SB16)
dsp->busy_count = (dsp->busy_count + 1) & 3; dsp->busy_count = (dsp->busy_count + 1) & 3;