MB86296 Datasheet, PDF (285/352 Pages) Fujitsu Component Limited. – PCI Graphics Controller Specification

FUJITSU LIMITED PRELIMINARY AND CONFIDENTIAL
Bit 21 and 20
TAB (Texture Alpha Blend mode)
Sets texture blending mode
The stencil mode and the stencil alpha mode are enabled only when the MDR2
register blend mode (BM) is set to the alpha blending mode. If it is not set to the alpha
blending mode, the stencil mode and stencil alpha mode perform the same function as
the normal mode.
00 Normal
01 Stencil
10 Stencil alpha
11 Reserved
Bit 24
BA (Bilinear Accelerate Mode)
Improves the performance of bi-linear filtering, although a texture area of four times the
default texture area is used.
0 Default texture area used
1 Texture area four times default texture area used
MB86296S <Coral-PA>
275
Specification Manual Rev0.1