Tutorials for writing 2D shaders?

Question

I am needing to write some 2D shaders (not 3D, so no vertex shader code or any of that) in HLSL, but have a lot of trouble finding good tutorials. Do you have any resources I can use?

Answer 1

An Introduction to HLSL made by stromdotcom is OK!

http://www.stromcode.com/2008/04/02/an-introduction-to-hlsl-part-i/

http://www.stromcode.com/2008/04/03/an-introduction-to-hlsl-part-ii/

Introduction to the DirectX® 9 High Level Shading Language is a must-read:

http://developer.amd.com/media/gpu_assets/ShaderX2_IntroductionToHLSL.pdf