User's Manual
Intel® 815 Chipset: Graphics Controller PRM, Rev 1.0
R
165
DWord Bit Description
0 = BR00 31:29 Client : 02h – 2D Processor
28:22 Instruction Target (Opcode) : 00h
21:05 Reserved. Must be Zero
0 04:00 Dword Length : 06h
1 = BR01 31 Reserved. Must be Zero
30 Reserved. Must be Zero
29 Mono Source Transparency Mode: (1 = transparency enabled; 0 = use
background) - TB only
28 Reserved. Must be Zero
27 Reserved. Must be Zero
26 Must Be One (‘1’).
Color Depth: All
00 = 8 bit color
01 = 16 bit color
10 = 24 bit color
11 = reserved
23:16 Raster Operation: (all; must = CC Hex for TB)
15:00 Destination Pitch (positive): (13:00 are implemented in Intel
®
810 chipset) (SLB &
TB only)
2 = BR02 31:00 ClipRect Y1 Address (Top): (25:00 are implemented in Intel
®
810 chipset) All
3 = BR03 31:00 ClipRect Y2 Address (Bottom): (25:00 are implemented in Intel
®
810 chipset) All
4 = BR04 31:16 ClipRect X2 Coordinate (Right): All (27:16 = 12 bits are implemented in the Intel
®
815 chipset)
15:00 ClipRect X1 Coordinate (Left): All (11:00 = 12 bits are implemented in the Intel
®
815
chipset)
5 31:24 Reserved. Must be Zero
5 = BR05 23:00 Setup Background Color: All
6 31:24 Reserved. Must be Zero
6 = BR06 23:00 Setup Foreground Color: (SLB & TB only)
7 = BR07 31:00 Pattern Address for Color Pattern: (25:06 are implemented in Intel
®
810 chipset)
(SLB only)










