[DirectX 6 Programmer's Reference] Exploiting Hardware Features (100%)
DirectX Foundation > DirectDraw > DirectDraw Essentials > Advanced DirectDraw Topics > Video-Ports
[DirectX 7 Programmer's Reference] Exploiting Hardware Features (97.7272727272727%)
Microsoft DirectX 7.0 > DirectDraw > DirectDraw Essentials > Advanced DirectDraw Topics > Video Ports