MB86290A Datasheet, PDF (149/184 Pages) Fujitsu Component Limited. – Graphics Controller Hardware Specifications

7.1.12 Fast2DTriangle 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
X0dc
0580h 0 0 0 0
Int
0
Y0dc
0584h 0 0 0 0
Int
0
X1dc
0588h 0 0 0 0
Int
0
Y1dc
058ch 0 0 0 0
Int
0
X2dc
0590h 0 0 0 0
Int
0
Y2dc
0594h 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 three vertices for Fast2DTriangle drawing
X0dc
Sets X-coordinate of vertex V0
Y0dc
Sets Y-coordinate of vertex V0
X1dc
Sets X-coordinate of vertex V1
Y1dc
Sets Y-coordinate of vertex V1
X2dc
Sets X-coordinate of vertex V2
Y2dc
Sets Y-coordinate of vertex V2
7.1.12 DisplayList FIFO Registers
DFIFO (Displaylist FIFO)
DrawBaseAddress + 4A0h
Register address
Bit #
Bit field name
R/W
Default
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
DFIFO
W
Don’t care
FIFO registers for DisplayList transfer
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