
FUJITSU LIMITED
PRELIMINARY and CONFIDENTIAL
MB86277 MINT
Graphics Controller
211
Specifications Rev. 1.0
(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
As
0064H 0 0 0 0 0 0 0 0
Int
Frac
dAdx 0068H S S S S S S S S
Int
Frac
dAdy 006cH S S S S S S S S
Int
Frac
Address
Offset from DrawBaseAddress
S
Sign bit or sign extension
0
Not used or 0 extension
Int
Integer or integer part of fixed point data
Frac
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
As
Alpha value at (Xs, Ys, Zs) of long edge corresponding to Ys
dAdx
Alpha DDA value of horizontal direction
dAdy
Alpha 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
Offset from DrawBaseAddress
S
Sign bit or sign extension
0
Not used or 0 extension
Int
Integer or integer part of fixed point data
Frac
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