[DirectX October 2006 Documentation] Modifiers for ps_1_X (31.5961538461539%)
DirectX Graphics > Direct3D 9 > Reference > Asm Shader Reference > Pixel Shaders > Pixel Shader Instructions
[DirectX October 2006 Documentation] Modifiers for ps_2_0 and Above (27.8461538461539%)
DirectX Graphics > Direct3D 9 > Reference > Asm Shader Reference > Pixel Shaders > Pixel Shader Instructions