MB86290A Datasheet, PDF (145/184 Pages) Fujitsu Component Limited. – Graphics Controller Hardware Specifications

(Color 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
LRs
015ch 0 0 0 0 0 0 0 0
Int
Frac
LRde
0160h S S S S S S S S
Int
Frac
LGs
0164h 0 0 0 0 0 0 0 0
Int
Frac
LGde
0168h S S S S S S S S
Int
Frac
LBs
016ch 0 0 0 0 0 0 0 0
Int
Frac
LBde
0170h 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 line drawing. These parameters are used in the
Gouraud shading mode.
LRs
R value at line draw start vertex
LRde
Differential value of R element
LGs
G value at line draw start vertex
LGde
Differential value of G element
LBs
B value at line draw start vertex
LBde
Differential value of B element
7.1.8 Pixel Plot Registers
Each register is used by the drawing commands. The registers cannot be
accessed from the CPU or by using the SetRegister command.
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
PXdc
0180h 0 0 0 0
Int
0
PYdc
0184h 0 0 0 0
Int
0
PZdc
0188h 0 0 0 0
Int
0
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 coordinate parameter for pixel plot. The foreground color is used.
PXdc
PYdc
PZdc
Set X-coordinate position
Set Y-coordinate position
Set Z-coordinate position
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