MB86296 Datasheet, PDF (296/352 Pages) Fujitsu Component Limited. – PCI Graphics Controller Specification

FUJITSU LIMITED PRELIMINARY AND CONFIDENTIAL
(Color setting register)
Register Address 31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0
Rs 0040H 0 0 0 0 0 0 0 0
Int
Frac
dRdx 0044H S S S S S S S S
Int
Frac
dRdy 0048H S S S S S S S S
Int
Frac
Gs 004CH 0 0 0 0 0 0 0 0
Int
Frac
dGdx 0050H S S S S S S S S
Int
Frac
dGdy 0054H S S S S S S S S
Int
Frac
Bs 0058H 0 0 0 0 0 0 0 0
Int
Frac
dBdx 005cH S S S S S S S S
Int
Frac
dBdy 0060H S S S S S S S S
Int
Frac
Address
S
0
Int
Frac
Offset from DrawBaseAddress
Sign bit or sign extension
Not used or 0 extension
Integer or integer part of fixed point data
Fraction part of fixed point data
Sets color parameters for triangle drawing. These parameters are enabled in the Gouraud shading
mode.
Rs
R value at (Xs, Ys, Zs) of long edge corresponding to Ys
dRdx
R DDA value of horizontal direction
dRdy
R DDA value of long edge
Gs
G value at (Xs, Ys, Zs) of long edge corresponding to Ys
dGdx
G DDA value of horizontal direction
dGdy
G DDA value of long edge
Bs
B value at (Xs, Ys, Zs) of long edge corresponding to Ys
dBdx
B DDA value of horizontal direction
dBdy
B DDA value of long edge
(Z coordinates register)
Register Address 31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0
Zs 0080h 0
Int
Frac
dZdx 0084h S
Int
Frac
dZdy 008ch S
Int
Frac
Address
S
0
Int
Frac
Offset from DrawBaseAddress
Sign bit or sign extension
Not used or 0 extension
Integer or integer part of fixed point data
Fraction part of fixed point data
Sets Z coordinates for 3D triangle drawing
Zs
Z coordinate start position of long edge
dZdx
Z DDA value of horizontal direction
dZdy
Z DDA value of long edge
MB86296S<Coral-PA>
286
Specification Manual Rev0.1