Display Interface
11-19
Power 9100 User Interface Controller
Draw Mode Register
The bits in the draw mode register are assigned as follows:
Bits 31:04
Reserved (contain zeroes)
Bits 3:2
Pick Write Enable
0 = Suppress any writes outside of the window
1 = Suppress all writes; set the picked bit in the interrupt
register if the write is inside the window.
Bits 1:0
Definition buffer
0 = Select buffer 0 as destination for drawing engine
operations
1 = Select buffer 1 as destination for drawing engine
operations
Raster Register
Bits 31:18
Reserved (contain zeroes)
Bit 17
Pattern Enable
0 = Disable pattern
1 = Enable pattern
Bit 16
Quick Draw Mode
0 = X11 Mode
1 = Oversized mode
Bits 15:0
Minterms for boolean raster operations
Window
Minimum/Maximum
Registers
The bits in these registers are assigned as follows:
Bits 31:29
Reserved (contains zeroes)
Bits 28:16
Minimum or maximum x values
38002280
Pattern [0]
Used to specify the pattern for a quad fill.
38002284
Pattern [1]
38002288
Pattern [2]
3800228C
Pattern [3]
38002290
User [0]
User defined registers
38002294
User [1]
38002298
User [2]
3800229C
User [3]
380022A0
Byte Window Minimum
380022A4
Byte Window Minimum
Address
Name
Function
Table 11-10 Drawing Engine Registers Summar (Continued)
S3GX_TRMBook Page 19 Friday, September 19, 1997 11:39 am
Содержание SPARCbook 3 series
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Страница 44: ...2 16 The SPARC CPU SBus Controller S3GX_TRMBook Page 16 Friday September 19 1997 11 39 am...
Страница 76: ...5 8 SCSI Controller DMA Support S3GX_TRMBook Page 8 Friday September 19 1997 11 39 am...
Страница 82: ...6 6 Ethernet Interface DMA Support for Network Operations S3GX_TRMBook Page 6 Friday September 19 1997 11 39 am...
Страница 96: ...7 14 PCMCIA Interface Microcontroller Registers S3GX_TRMBook Page 14 Friday September 19 1997 11 39 am...
Страница 146: ...9 28 MODEM Class 2 Fax Command Set S3GX_TRMBook Page 28 Friday September 19 1997 11 39 am...
Страница 180: ...11 30 Display Interface RAMDAC S3GX_TRMBook Page 30 Friday September 19 1997 11 39 am...
Страница 210: ...B 10 Connector Information Removable Hard Drive SCSI Connector S3GX_TRMBook Page 10 Friday September 19 1997 11 39 am...
Страница 216: ...Index vi S3GX_TRMBook Page vi Friday September 19 1997 11 39 am...