MB86290A Datasheet, PDF (143/184 Pages) Fujitsu Component Limited. – Graphics Controller Hardware Specifications

Sets texture coordinate parameters for triangle drawing
Ss
S-coordinate of texture at (Xs, Ys, Zs) of long side
dSdx
S DDA value of horizontal way
dSdy
S DDA value of long side
Ts
T-coordinate of texture at (Xs, Ys, Zs) of long side
dTdx
T DDA value of horizontal way
dTdy
T DDA value of long side
Qs
Q (Perspective correction value) of texture at (Xs, Ys, Zs) of long side
dQdx
Q DDA value of horizontal way
dQdy
Q DDA value of long side
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