User's Manual

Intel® 815 Chipset: Graphics Controller PRM, Rev 1.0
R
176
DWord Bit Description
0 = BR00 31:29 Client : 02h – 2D Processor
28:22 Instruction Target (Opcode) : 61h
21:20 Reserved. Must be Zero
19:17 Monochrome source data bit position of the first pixel within a byte per scan
line.
16 Reserved. Must be Zero
0 = BR11 15:00 Dword Length : 04+ DWL = (Number of Immediate double words)h
1 = BR13 31:30 Reserved. Must be Zero
29 Mono Source Transparency Mode: (1 = transparency enabled;
0 = use background)
28 Reserved. Must be Zero
27 Reserved. Must be Zero
26 Must Be One (‘1’).
25:24 Color Depth:
00 = 8 bit color
01 = 16 bit color
10 = 24 bit color
11 = reserved
23:16 Raster Operation:
15:00 Destination Pitch (signed): (13:00 are implemented in Intel
®
810 chipset)
2 = BR14 31:16 Destination Height (in scan lines): (28:16 are implemented in Intel
®
810 chipset)
15:00 Destination Width (in bytes): (12:00 are implemented in Intel
®
810 chipset)
3 = BR09 31:00 Destination Address: Address of the first byte to be written
(25:00 are implemented in Intel
®
810 chipset)
31:24 Reserved. Must be Zero
4 = BR18 23:00 Source Background Color:
5 31:24 Reserved. Must be Zero
5 = BR19 23:00 Source Foreground Color:
6 31:00 Immediate Data DW 0:
7 31:00 Immediate Data DW 1:
8 thru DWL+4 S Immediate Data DWs 2 through DWORD_LENGTH (DWL):