Fujitsu MB86R02 Jade-D Hardware Manual page 587

MB86R02 'Jade-D' Hardware Manual V1.64
(Color setting register)
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
Register Address
Rs 0040 0 0 0 0 0 0 0 0
H
dRdx 0044 S S S S S S S S
H
dRdy 0048 S S S S S S S S
H
Gs 004C 0 0 0 0 0 0 0 0
H
dGdx 0050 S S S S S S S S
H
dGdy 0054 S S S S S S S S
H
Bs 0058 0 0 0 0 0 0 0 0
H
dBdx 005c S S S S S S S S
H
dBdy 0060 S S S S S S S S
H
As 0064 0 0 0 0 0 0 0 0
H
dAdx 0068 S S S S S S S S
H
dAdy 006c S S S S S S S S
H
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)
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
Register Address
Zs 0080h 0
dZdx 0084h S
dZdy 008ch S
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
(Texture coordinates-setting register)
Int
Int
Int
Int
Int
Int
Int
Int
Int
Int
Int
Int
Int
Int
Int
Frac
Frac
Frac
Frac
Frac
Frac
Frac
Frac
Frac
Frac
Frac
Frac
Frac
Frac
Frac
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