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Rewrote the Sound Blaster IRQ system because the old one was designed with a level-triggered IRQ in mind while these are ISA cards with edge-triggered IRQ's.

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OBattler
2021-04-02 08:51:39 +02:00
parent 80095e7a30
commit 3bf216d645
3 changed files with 26 additions and 18 deletions
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5
src/sound/snd_sb.c
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@@ -858,10 +858,7 @@ sb_ct1745_mixer_write(uint16_t addr, uint8_t val, void *p)
case 0x83:
/* Interrupt mask. */
sb->dsp.sb_irqm8 = !(val & 0x01);
sb->dsp.sb_irqm16 = !(val & 0x02);
sb->dsp.sb_irqm401 = !(val & 0x04);
sb_update_irq(&sb->dsp);
sb_update_mask(&sb->dsp, !(val & 0x01), !(val & 0x02), !(val & 0x04));
break;
case 0x84: