claunia/86Box
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

Implemented the VIA chipset's PIC shadow mode.

Browse Source
This commit is contained in:
OBattler
2020-01-17 06:57:45 +01:00
parent 0f7699d037
commit 4d7724d82d
3 changed files with 71 additions and 35 deletions
Download Patch File Download Diff File Expand all files Collapse all files

5
src/via_vt82c586b.c
View File

@@ -6,7 +6,7 @@
*
* Emulation of the VIA Apollo MVP3 southbridge
*
* Version: @(#)via_vt82c586b.c 1.0.0 2020/01/14
* Version: @(#)via_vt82c586b.c 1.0.1 2020/01/17
*
* Authors: Sarah Walker, <http://pcem-emulator.co.uk/>
* Miran Grca, <mgrca8@gmail.com>
@@ -113,6 +113,8 @@ via_vt82c586b_reset_hard(void *priv)
dma[i].ac &= 0xffff000f;
}
pic_set_shadow(0);
/* IDE registers */
via_vt82c586b->ide_regs[0x00] = 0x06; via_vt82c586b->ide_regs[0x01] = 0x11; /*VIA*/
via_vt82c586b->ide_regs[0x02] = 0x71; via_vt82c586b->ide_regs[0x03] = 0x05; /*VT82C586B*/
@@ -384,6 +386,7 @@ via_vt82c586b_write(int func, int addr, uint8_t val, void *priv)
case 0x47:
if ((val & 0x81) == 0x81)
resetx86();
pic_set_shadow(!!(val & 0x10));
pci_elcr_set_enabled(!!(val & 0x20));
dev->pci_isa_regs[0x47] = val & 0xfe;
break;