VT8601 Via, VT8601 Datasheet - Page 38

• Manufacturer Part Number: VT8601
• Description: Slot-1 / Socket-370 PCI North Bridge
• Manufacturer: Via

3D Graphics Engine Registers
These registers are addressed at offsets from the Graphics
Engine Base Address (GEbase). All registers are 32-bit.
Revision 1.3 September 8, 1999
Offset Span Engine Registers
Offset VGA Core Registers
1B-18 Block Write Start Address
1F-1C Block Write Area / End Address
2B-28 GE Debug
2F-2C Wait Mask
Offset Rasterization & Setup Engine Regs
3B-38 -reserved-
3F-3C Primitive Type
3F-3C Setup Engine Status
Offset Pixel Engine Registers
4B-48 Raster Operation (ROP)
4F-4C Z-Function
5B-58 Clipping Window 1
5F-5C -reserved-
6B-68 Color Key
6F-6C Pattern and Style
7B-78 Pattern Background Color
7F-7C Alpha
8B-88 -reserved-
8F-8C -reserved-
9B-98 -reserved-
9F-9C -reserved-
13-10 Right View Display Base Addresses
17-14 Left View Display Base Addresses
23-20 GE Status
27-24 GE Control
33-30 Primitive Attribute
37-34 -reserved-
43-40 -reserved-
47-44 Drawing Command
53-50 Texture Function
57-54 Clipping Window 0
63-60 Color 0
67-64 Color 1
73-70 Pattern Color
77-74 Pattern Foreground Color
83-80 Alpha Function
87-84 Bit Mask
93-90 -reserved-
97-94 -reserved-
B-8
F-C Parameter Destination 2
3-0
7-4
7HFKQRORJLHV ,QF
Parameter Source 1
Parameter Source 2
Parameter Destination 1
:H &
:H &R R QQHFW
QQHFW
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-32-
DF-DC Texture Base Level 0 (1:1 Map)
AB-A8 Palette Data
AF-AC Texture Boundary
BB-B8 Destination Stride & Buffer 0
BF-BC Destination Stride & Buffer 1
CF-CC Source Stride & Buffer 1
DB-D8 Z Depth & Buffer
A3-A0 Texture Control
A7-A4 Texture Color
CB-C8 Source Stride & Buffer 0
D3-D0 Source Stride & Buffer 2
D7-D4 Source Stride & Buffer 3
EB-E8 Texture Base Level 3
EF-EC Texture Base Level 4
Offset Texture Engine Registers
Offset Command List Control Registers
B3-B0 -reserved-
B7-B4 -reserved-
Offset Memory Interface Registers
C3-C0 Destination Stride & Buffer 2
C7-C4 Destination Stride & Buffer 3
FB-F8 Texture Base Level 7
FF-FC Texture Base Level 8 (mallest)
Offset Data Port Area
E3-E0 Texture Base Level 1
E7-E4 Texture Base Level 2
F3-F0 Texture Base Level 5
F7-F4 Texture Base Level 6
1xxxx Data Port Area
VT8601 Apollo ProMedia
Register Summary Tables
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