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MB86R02 ‘Jade-D’ Hardware Manual V1.64
18.11.15
Geometry mode registers
The
SetRegister
command is used to write values to geometry mode registers. The geometry mode
registers cannot be accessed from the CPU.
GMDR0 (Geometry Mode Register for Vertex)
Register
address
GeometryBaseA 40
H
Bit number
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
Bit field name
FX
CF
DF
ST Z C F
R/W
W
W
W
W W W W
Initial value
0
0
00
0 0 0 0
This register sets the types of parameters input as vertex data and the type of projective
transformation.
Bit28
FX (Float Setup eXpand)
Enable Float Setup mode (See Geometry command code table)
Work Only for G_Begin/Triangle(s,_Strip,_Fan)
0
disable
1
enable
Bit 7
CF (Color Format)
Specifies color data format
0
Independent RGB format/Packed RGB format
1
Reserved
Bit 6 and 5
DF (Data Format)
Specifies vertex coordinates data format
00
Specifies floating-point format (Only independent RGB format can be used as color
data format.)
01
Specifies fixed-point format (Only packed RGB format can be used as color data
format.)
10
Reserved
11
Specifies packed integer format (Only packed RGB format can be used as color
data format.)
CF
DF
Input data format
0
00
Floating-point independent RGB format
01
Fixed-point packed RGB format
10
Reserved
11
Packed integer packed RGB format
1
00
Reserved
01
Reserved
10
Reserved
11
Reserved
Summary of Contents for MB86R02
Page 24: ...MB86R02 Jade D Hardware Manual V1 64 ...
Page 76: ...3 2 MB86R02 Jade D Hardware Manual V1 64 Figure 3 1 Memory map 1 ...
Page 77: ...3 3 MB86R02 Jade D Hardware Manual V1 64 Figure 3 2 Memory map 2 ...
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Page 214: ...11 7 MB86R02 Jade D Hardware Manual V1 64 15 16 cycles initial value ...
Page 497: ...18 139 MB86R02 Jade D Hardware Manual V1 64 VSYNC is output 1 dot clock faster than HSYNC ...
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Page 682: ...22 2 MB86R02 Jade D Hardware Manual V1 00 FUJITSU PROPRIETARY AND CONFIDENTIAL ...
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