Back in January there was the release of the
R600/700 3D documentation that is being used along with
some open-source code to begin powering up the Radeon HD 2000/3000/4000 hardware with OpenGL acceleration support in Mesa. Some of this code
should be out soon, but this past week AMD has released some more NDA-free documentation. This time the documentation concerns the R700 Instruction Set Architecture (ISA).
In June of last year, AMD had released the
R600 Instruction Set Architecture. In this new R700 ISA documentation is 392 pages worth of information on various topics, particularly about the Stream processing abilities of the R700 family.
The R700 Instruction Set Architecture documentation can be downloaded at
AMD.com (Adobe PDF).