[DirectX 8.1 C/C++ Programmer's Reference] texreg2rgb (100%)
DirectX 8.1 (C++) > DirectX Graphics > Reference > Pixel Shader Reference > Instructions
[DirectX October 2006 Documentation] texreg2rgb - ps (53.5530303030303%)
DirectX Graphics > Direct3D 9 > Reference > Asm Shader Reference > Pixel Shaders > Pixel Shader Instructions