mirrors/Bochs
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

Added subsystem ID for Voodoo3 AGP with an existing VGA ROM.

Browse Source 
Updated some comments.
TODO: full AGP support, LGPL'd VGABIOS for Banshee / Voodoo3
This commit is contained in:
Volker Ruppert 2018-05-06 06:13:57 +00:00
parent 211eefa8d5
commit 3f45d44184
1 changed files with 9 additions and 4 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

13
bochs/iodev/display/banshee.cc
View File

@ -56,7 +56,7 @@
***************************************************************************/
// 3dfx Voodoo Banshee emulation (partly based on a patch for DOSBox)
// 3dfx Voodoo Banshee / Voodoo3 emulation (partly based on a patch for DOSBox)
// TODO:
// - 2D polygon fill
@ -64,6 +64,7 @@
// - 2D chromaKey support
// - using upper 256 CLUT entries
// - pixel format conversion not supported in all cases
// - full AGP support
// FIXME:
// - Minor issues in all Banshee modes (e.g. forward/back buttons in explorer)
@ -187,7 +188,7 @@ void bx_banshee_c::reset(unsigned type)
{ 0x1a, 0x00 }, { 0x1b, 0x00 },
// address space 0x2c - 0x2f
{ 0x2c, 0x1a }, { 0x2d, 0x12 }, // subsystem ID
{ 0x2e, 0x04 }, { 0x2f, 0x00 }, // for Banshee PCI and Voodoo 3 AGP
{ 0x2e, 0x04 }, { 0x2f, 0x00 }, // for Banshee PCI
// capabilities pointer 0x34 - 0x37
{ 0x34, 0x60 }, { 0x35, 0x00 },
{ 0x36, 0x00 }, { 0x37, 0x00 },
@ -217,8 +218,12 @@ void bx_banshee_c::reset(unsigned type)
v->banshee.io[io_miscInit1] |= 0x0c000000;
}
// Special subsystem IDs
if ((s.model == VOODOO_3) && !is_agp) {
pci_conf[0x2e] = 0x36; // Voodoo 3 PCI model
if (s.model == VOODOO_3) {
if (!is_agp) {
pci_conf[0x2e] = 0x36; // Voodoo 3 PCI model
} else {
pci_conf[0x2e] = 0x52; // Voodoo 3 AGP model
}
} else if ((s.model == VOODOO_BANSHEE) && is_agp) {
pci_conf[0x2e] = 0x03; // Banshee AGP model
}