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AudioPCI and GUS.

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This commit is contained in:
OBattler
2022-07-16 02:52:50 +02:00
parent 22a856634c
commit 49f4b2c8fb
2 changed files with 12 additions and 4 deletions
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4
src/sound/snd_audiopci.c
View File

@@ -306,7 +306,9 @@ es1371_reset(void *p)
es1371_t *dev = (es1371_t *) p;
int i;
#ifdef OLD_NMI_BEHAVIOR
nmi = 0;
#endif
/* Interrupt/Chip Select Control Register, Address 00H
Addressable as byte, word, longword */
@@ -1240,7 +1242,7 @@ capture_event(es1371_t *dev, int type, int rw, uint16_t port)
dev->legacy_ctrl &= ~LEGACY_EVENT_TYPE_RW;
dev->legacy_ctrl |= ((port << LEGACY_EVENT_ADDR_SHIFT) & LEGACY_EVENT_ADDR_MASK);
dev->legacy_ctrl &= ~LEGACY_INT;
nmi = 1;
nmi_raise();
}
static void

12
src/sound/snd_gus.c
View File

@@ -452,11 +452,15 @@ writegus(uint16_t addr, uint8_t val, void *p)
gus->irqstatus &= ~8;
if (!(val & 0x20)) {
gus->ad_status &= ~0x18;
#ifdef OLD_NMI_BEHAVIOR
nmi = 0;
#endif
}
if (!(val & 0x02)) {
gus->ad_status &= ~0x01;
#ifdef OLD_NMI_BEHAVIOR
nmi = 0;
#endif
}
gus->tctrl = val;
gus->sb_ctrl = val;
@@ -492,7 +496,7 @@ writegus(uint16_t addr, uint8_t val, void *p)
gus->ad_status |= 0x01;
if (gus->sb_ctrl & 0x02) {
if (gus->sb_nmi)
nmi = 1;
nmi_raise();
else if (gus->irq != -1)
picint(1 << gus->irq);
}
@@ -568,7 +572,7 @@ writegus(uint16_t addr, uint8_t val, void *p)
gus->ad_status |= 0x08;
if (gus->sb_ctrl & 0x20) {
if (gus->sb_nmi)
nmi = 1;
nmi_raise();
else if (gus->irq != -1)
picint(1 << gus->irq);
}
@@ -580,7 +584,7 @@ writegus(uint16_t addr, uint8_t val, void *p)
gus->ad_status |= 0x10;
if (gus->sb_ctrl & 0x20) {
if (gus->sb_nmi)
nmi = 1;
nmi_raise();
else if (gus->irq != -1)
picint(1 << gus->irq);
}
@@ -832,7 +836,9 @@ readgus(uint16_t addr, void *p)
case 0x209:
gus->ad_status &= ~0x01;
#ifdef OLD_NMI_BEHAVIOR
nmi = 0;
#endif
/*FALLTHROUGH*/
case 0x389:
val = gus->ad_data;