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Fix RZ-1000 so the AMI 062594 BIOS'es of the SB486PV don't disable it.

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This commit is contained in:
OBattler
2025-05-25 01:39:58 +02:00
parent 2e5464c0e5
commit a1a3ed22f4
2 changed files with 3 additions and 39 deletions
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41
src/disk/hdc_ide_rz1000.c
View File

@@ -130,38 +130,6 @@ rz1000_pci_write(int func, int addr, uint8_t val, void *priv)
rz1000_ide_handlers(dev);
}
break;
case 0x10:
dev->regs[0x10] = (val & 0xf8) | 1;
rz1000_ide_handlers(dev);
break;
case 0x11:
dev->regs[0x11] = val;
rz1000_ide_handlers(dev);
break;
case 0x14:
dev->regs[0x14] = (val & 0xfc) | 1;
rz1000_ide_handlers(dev);
break;
case 0x15:
dev->regs[0x15] = val;
rz1000_ide_handlers(dev);
break;
case 0x18:
dev->regs[0x18] = (val & 0xf8) | 1;
rz1000_ide_handlers(dev);
break;
case 0x19:
dev->regs[0x19] = val;
rz1000_ide_handlers(dev);
break;
case 0x1c:
dev->regs[0x1c] = (val & 0xfc) | 1;
rz1000_ide_handlers(dev);
break;
case 0x1d:
dev->regs[0x1d] = val;
rz1000_ide_handlers(dev);
break;
case 0x40 ... 0x4f:
dev->regs[addr] = val;
break;
@@ -233,16 +201,13 @@ rz1000_reset(void *priv)
dev->regs[0x01] = 0x10;
dev->regs[0x02] = 0x00; /* RZ-1000 */
dev->regs[0x03] = 0x10;
dev->regs[0x04] = 0x01;
dev->regs[0x04] = 0x00;
dev->regs[0x07] = 0x02; /* DEVSEL timing: 01 medium */
dev->regs[0x08] = 0x02; /* Revision 02 */
dev->regs[0x09] = dev->local; /* Programming interface */
dev->regs[0x0a] = 0x01; /* IDE controller */
dev->regs[0x0b] = 0x01; /* Mass storage controller */
dev->regs[0x3c] = 0x14; /* IRQ 14 */
dev->regs[0x3d] = 0x01; /* INTA */
dev->irq_mode[0] = dev->irq_mode[1] = 0;
dev->irq_pin = PCI_INTA;
dev->irq_line = 14;
@@ -299,7 +264,7 @@ const device_t ide_rz1000_pci_device = {
.name = "PC Technology RZ-1000 PCI",
.internal_name = "ide_rz1000_pci",
.flags = DEVICE_PCI,
.local = 0x6000a,
.local = 0x60000,
.init = rz1000_init,
.close = rz1000_close,
.reset = rz1000_reset,
@@ -313,7 +278,7 @@ const device_t ide_rz1000_pci_single_channel_device = {
.name = "PC Technology RZ-1000 PCI",
.internal_name = "ide_rz1000_pci_single_channel",
.flags = DEVICE_PCI,
.local = 0x2000a,
.local = 0x20000,
.init = rz1000_init,
.close = rz1000_close,
.reset = rz1000_reset,

1
src/machine/m_at_386dx_486.c
View File

@@ -1727,7 +1727,6 @@ machine_at_sb486pv_init(const machine_t *model)
device_context_restore();
machine_at_common_init(model);
device_add(&ide_pci_device);
pci_init(PCI_CONFIG_TYPE_2);
pci_register_slot(0x00, PCI_CARD_NORTHBRIDGE, 0, 0, 0, 0);