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Some minor bugfixes.

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This commit is contained in:
OBattler
2023-04-24 02:47:17 +02:00
parent e00f3968ae
commit 3b54cb085e
5 changed files with 39 additions and 9 deletions
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13
src/chipset/ali1543.c
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@@ -151,11 +151,13 @@ ali1533_write(int func, int addr, uint8_t val, void *priv)
break;
case 0x41:
/* TODO: Bit 7 selects keyboard controller type:
0 = AT, 1 = PS/2 */
pic_kbd_latch(1);
pic_mouse_latch(!!(val & 0x40));
dev->pci_conf[addr] = val & 0xbf;
// pic_kbd_latch(!!(val & 0x80));
if (dev->type == 1)
pic_mouse_latch(!!(val & 0x40) || !(dev->pci_conf[0x78] & 0x02));
else
pic_mouse_latch(!!(val & 0x40));
dev->pci_conf[addr] = val;
break;
case 0x42: /* ISA Bus Speed */
@@ -431,6 +433,7 @@ ali1533_write(int func, int addr, uint8_t val, void *priv)
if (dev->type == 1) {
ali1543_log("PCI78 = %02X\n", val);
dev->pci_conf[addr] = val & 0x33;
pic_mouse_latch(!!(dev->pci_conf[0x41] & 0x40) || !(val & 0x02));
}
break;
@@ -1520,6 +1523,8 @@ ali1543_reset(void *priv)
ali1533_write(0, 0x74, 0x00, dev);
ali1533_write(0, 0x75, 0x00, dev);
ali1533_write(0, 0x76, 0x00, dev);
if (dev->type == 1)
ali1533_write(0, 0x78, 0x00, dev);
unmask_a20_in_smm = 1;
}