MB86294 Datasheet, PDF (240/305 Pages) Fujitsu Component Limited. – Grraphiics Controller specifications

FUJITSU LIMITED
PRELIMINARY and CONFIDENTIAL
(Texture coordinates-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
Ss 00c0H S S S
Int
dSdx 00c4H S S S
Int
dSdy 00c8H S S S
Int
Ts 00ccH S S S
Int
Frac
Frac
Frac
Frac
dTdx 00d0H S S S
Int
Frac
dTdy 00d4H S S S
Int
Qs 00d8H 0 0 0 0 0 0 0 Int
dQdx 00dcH S S S S S S S Int
dQdy 00e0H 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 texture coordinates parameters for triangle drawing
Ss
dSdx
dSdy
Ts
dTdx
dTdy
Qs
dQdx
dQdy
S texture coordinates (Xs, Ys, Zs) of long edge corresponding to Ys
S DDA value of horizontal direction
S DDA value of long edge direction
T texture coordinates (Xs, Ys, Zs) of long edge corresponding to Ys
T DDA value of horizontal direction
T DDA value of long edge direction
Q (Perspective correction value) of texture at (Xs, Ys, Zs) of long edge corresponding to Ys
Q DDA value of horizontal direction
Q DDA value of long edge direction
MB86294/294S CORAL_LB
Graphics Controller
240
Specifications Rev. 1.0