identify Stellar chipsets

Stellar Semiconductor

never released:
PixelSquirt series
Aquilla PX (64bit, 2D/3D, TV-out, 4KB texture cache, FPU, 100MPix/s)
TEX (3D only, Multi-Pass-Rendering, Anisotropic Filtering, 230MHz RAMDAC, 250MPix/s)
PS MegaCell (3D, Polygon-Setup, Rasterization, Texturing)
Vela TX