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MB86R02 ‘Jade-D’ Hardware Manual V1.64
FBR (Frame buffer Base)
Register
address
DrawBaseA 440
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
SG
FBASE
R/W
RW
RW
R0
Initial value
0
Don’t care
0
This register stores the base address of the drawing frame.
Bit 25 to 0
FBASE (Frame BASE address)
This field indicates the same frame base address as Coral.
The actual address for VRAM is calculated by adding the segment address to FBASE.
Bit 26
SeGment address
This field indicates the segment address.
0
Indicates Segment 0 based address 4000_0000
H
.
1
Indicates Segment 1 based address 4400_0000
H
.
XRES (X Resolution)
Register
address
DrawBaseA 444
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
XRES
R/W
RW
Initial value
Don’t care
This register sets the drawing frame horizontal resolution.
ZBR (Z buffer Base)
Register
address
DrawBaseA 448
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
ZBASE
R/W
RW
R0
Initial value
Don’t care
0
This register sets the Z buffer base address.
The actual address for VRAM is calculated by adding the segment address of FBR to ZBASE.
TBR (Texture memory Base)
Register
address
DrawBaseA 44C
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
TBASE
R/W
RW
R0
Initial value
Don’t care
0
This register sets the texture memory base address.
The actual address for VRAM is calculated by adding the segment address of FBR to TBASE.
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 ...
Page 167: ...8 8 MB86R02 Jade D Hardware Manual V1 64 ...
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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