Now online... the form factor is a quick reference type booklet.
<http://www.xmission.com/~legalize/vintage/docs/tektronix/070-4560-00_4041R03_Signal_Processing_ROM_Programmers_Reference_Guide_Feb1984.pdf>
or
<http://tinyurl.com/frkp3>
--
"The Direct3D Graphics Pipeline"-- code samples, sample chapter, FAQ:
<http://www.xmission.com/~legalize/book/>
Pilgrimage: Utah's annual demoparty
<http://pilgrimage.scene.org>