80486DX2-66/86Box-fork
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The ALi M1487/89 now correctly clears SMI status on clearing bit 4 of register 0x30, fixes booting with 486DX2/iDX4.

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OBattler
2021-04-07 23:47:00 +02:00
parent 76b2ac640b
commit 28c95d88c2
1 changed files with 3 additions and 2 deletions
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5
src/chipset/ali1489.c
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@@ -323,9 +323,10 @@ ali1489_write(uint16_t addr, uint8_t val, void *priv)
case 0x30: case 0x30:
picint(1 << 10); picint(1 << 10);
break; break;
} }
dev->regs[0x35] |= 0x0e; dev->regs[0x35] |= 0x0e;
} } else if (!(val & 0x10))
dev->regs[0x35] &= ~0x0f;
break; break;
case 0x31: /* Mode Timer Monitoring Events Selection Register I */ case 0x31: /* Mode Timer Monitoring Events Selection Register I */