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Changed Riva TNT PCI ROM BIOS BAR handling to be the same as for every other emulated PCI graphics card, should hopefully make it work on all BIOS'es.

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OBattler
2016-10-06 22:22:59 +02:00
parent 3788d96b3c
commit cc425f5001
1 changed files with 11 additions and 1 deletions
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12
src/vid_nv_rivatnt.c
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@@ -1096,6 +1096,11 @@ static uint8_t rivatnt_pci_read(int func, int addr, void *p)
//if(CS == 0x0028) output = 3;
break;
case 0x30: return rivatnt->pci_regs[0x30] & 0x01; /*BIOS ROM address*/
case 0x31: return 0x00;
case 0x32: return rivatnt->pci_regs[0x32];
case 0x33: return rivatnt->pci_regs[0x33];
case 0x34: ret = 0x00; break;
case 0x3c: ret = rivatnt->pci_regs[0x3c]; break;
@@ -1282,7 +1287,8 @@ static void *rivatnt_init()
io_sethandler(0x03c0, 0x0020, rivatnt_in, NULL, NULL, rivatnt_out, NULL, NULL, rivatnt);
rivatnt->pci_regs[4] = 3;
// rivatnt->pci_regs[4] = 3;
rivatnt->pci_regs[4] = 7;
rivatnt->pci_regs[5] = 0;
rivatnt->pci_regs[6] = 0;
rivatnt->pci_regs[7] = 2;
@@ -1291,6 +1297,10 @@ static void *rivatnt_init()
rivatnt->pci_regs[0x2d] = 0x11;
rivatnt->pci_regs[0x2e] = 0x16;
rivatnt->pci_regs[0x2f] = 0x10;
rivatnt->pci_regs[0x30] = 0x00;
rivatnt->pci_regs[0x32] = 0x0c;
rivatnt->pci_regs[0x33] = 0x00;
//rivatnt->pci_regs[0x3c] = 3;