MB86293 Datasheet, PDF (221/285 Pages) Fujitsu Component Limited. – Grraphiics Conttrrollllerr Speciiffiicattiions

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
dRdx 0044H S S S S S S S S
Int
dRdy 0048H S S S S S S S S
Int
Gs 004CH 0 0 0 0 0 0 0 0
Int
Frac
Frac
Frac
Frac
dGdx 0050H S S S S S S S S
Int
Frac
dGdy 0054H S S S S S S S S
Int
Bs 0058H 0 0 0 0 0 0 0 0
Int
dBdx 005cH S S S S S S S S
Int
dBdy 0060H S S S S S S S S
Int
Frac
Frac
Frac
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
dRdx
dRdy
Gs
dGdx
dGdy
Bs
dBdx
dBdy
R value at (Xs, Ys, Zs) of long edge corresponding to Ys
R DDA value of horizontal direction
R DDA value of long edge
G value at (Xs, Ys, Zs) of long edge corresponding to Ys
G DDA value of horizontal direction
G DDA value of long edge
B value at (Xs, Ys, Zs) of long edge corresponding to Ys
B DDA value of horizontal direction
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
dZdx 0084h S
Int
Frac
Frac
dZdy 0088h 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
dZdx
dZdy
Z coordinate start position of long edge
Z DDA value of horizontal direction
Z DDA value of long edge
MB86293 CORAL_LQ
Graphics Controller
221
Specifications Rev. 1.1