18-236
MB86R02 ‘Jade-D’ Hardware Manual V1.64
18.11.14
Geometry control register
GCTR (Geometry Control Register)
Register
address
GeometryBaseA 00
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
Reserved
FO
Rsv
FCNT
NF FF FE
Rsv
GS
Rsv
SS
Rsv
PS
R/W
RX
RX
RX
RX
RX RX RX
RX
R
RX
R
RX
R
Initial value
X
0
X
011111
0 0 1
X
00
X
00
X
00
The flags and status information of the geometry section are reflected in this register.
Note that the flags and status information of the drawing section are reflected in CTR.
Bit 1 and 0
PS (Pixel engine Status)
Indicates status of pixel engine unit
00
Idle
01
Processing
10
Reserved
11
Reserved
Bit 5 and 4
SS (geometry Setup engine Status)
Indicates status of geometry setup engine unit
00
Idle
01
Processing
10
Processing
11
Reserved
Bit 9 and 8
GS (Geometry engine Status)
Indicates status of geometry engine unit
00
Idle
01
Processing
10
Reserved
11
Reserved
Bit 12
FE (FIFO Empty)
Indicates whether the data is contained in display list FIFO (DFIFOD)
0
Data in DFIFOD
1
No data in DFIFOD
Bit 13
FF (FIFO Full)
Indicates whether display list FIFO (DFIFOD) is full or not
0
DFIFOD not full
1
DFIFOD full
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 ...
Page 811: ...29 24 MB86R02 Jade D Hardware Manual V1 64 ...