MB86290A Datasheet, PDF (148/184 Pages) Fujitsu Component Limited. – Graphics Controller Hardware Specifications

7.1.11 Fast2DLine Draw 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
LX0dc
0540h 0 0 0 0
Int
0
LY0dc
0544h 0 0 0 0
Int
0
LX1dc
0548h 0 0 0 0
Int
0
LY1dc
054ch 0 0 0 0
Int
0
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 coordinate parameters of both end points for Fast2DLine drawing
LX0dc
Sets X-coordinate of vertex V0
LY0dc
Sets Y-coordinate of vertex V0
LX1dc
Sets X-coordinate of vertex V1
LY1dc
Sets Y-coordinate of vertex V1
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