[WIP] Implement NVIDIA GeForce3 Ti 500 Device for VirtualBox

[Copilot]

• Explore VirtualBox repository structure and understand graphics device architecture
• Examine existing VGA device implementation (DevVGA.cpp) and device registration patterns
• Study SVGA 3D graphics device implementation for reference
• Analyze build system (kBuild/kmk) and device integration patterns
• Check for existing NVIDIA/GeForce references in codebase
• Create basic GeForce3 Ti 500 device structure with proper PCI identification
• Implement minimal register space and memory layout (PMC, PBUS, PFIFO, PGRAPH, etc.)
• Add device registration to VBoxDD.cpp and build configuration
• Implement basic 3D command processing framework
• Add VirtualBox integration (MMIO2 regions, IRQ handling)
• Test basic device functionality

Current Status: Completed initial exploration. Ready to implement minimal GeForce3 device based on VGA device pattern. Found that VirtualBox uses:

• PDMDEVREG structures for device registration
• DevVGA.cpp as reference for graphics device implementation
• /src/VBox/Devices/Graphics/ for graphics device placement
• Build integration through VBoxDD.cpp and makefile updates

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[AlexanderEichner]

No... just no.