VT8601 datasheet(38/144 Pages) ETC1

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VT8601 Apollo ProMedia

Revision 1.3 September 8, 1999

-32-

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3D Graphics Engine Registers

These registers are addressed at offsets from the Graphics

Engine Base Address (GEbase). All registers are 32-bit.

Offset Span Engine Registers

Default

Acc

3-0

Parameter Source 1

—

7-4

Parameter Source 2

—

B-8

Parameter Destination 1

—

F-C

Parameter Destination 2

—

Offset VGA Core Registers

Default

Acc

13-10 Right View Display Base Addresses

—

17-14 Left View Display Base Addresses

—

1B-18 Block Write Start Address

—

1F-1C Block Write Area / End Address

—

23-20 GE Status

—

27-24 GE Control

—

2B-28 GE Debug

—

2F-2C Wait Mask

—

Offset Rasterization & Setup Engine Regs

Default

Acc

33-30 Primitive Attribute

—

37-34 -reserved-

—

3B-38 -reserved-

—

3F-3C Primitive Type—

3F-3C Setup Engine Status

—

Offset Pixel Engine Registers

Default

Acc

43-40 -reserved-

—

47-44 Drawing Command

—

4B-48 Raster Operation (ROP)

—RW

4F-4C Z-Function

—

53-50 Texture Function

—

57-54 Clipping Window 0

—

5B-58 Clipping Window 1

—

5F-5C -reserved-

—

63-60 Color 0

—

67-64 Color 1

—

6B-68 Color Key

—RW

6F-6C Pattern and Style

—

73-70 Pattern Color

—

77-74 Pattern Foreground Color

—

7B-78 Pattern Background Color

—

7F-7C Alpha

—

83-80 Alpha Function

—

87-84 Bit Mask

—

8B-88 -reserved-

—

8F-8C -reserved-

—

93-90 -reserved-

—

97-94 -reserved-

—

9B-98 -reserved-

—

9F-9C -reserved-

—

Offset Texture Engine Registers

Default

Acc

A3-A0 Texture Control

—

A7-A4 Texture Color

—

AB-A8 Palette Data

—

AF-AC Texture Boundary

—RW

Offset Command List Control Registers

Default

Acc

B3-B0 -reserved-

—

B7-B4 -reserved-

—

Offset Memory Interface Registers

Default

Acc

BB-B8 Destination Stride & Buffer 0

—

BF-BC Destination Stride & Buffer 1

—

C3-C0 Destination Stride & Buffer 2

—

C7-C4 Destination Stride & Buffer 3

—

CB-C8 Source Stride & Buffer 0

—

CF-CC Source Stride & Buffer 1

—

D3-D0 Source Stride & Buffer 2

—

D7-D4 Source Stride & Buffer 3

—

DB-D8 Z Depth & Buffer

—

DF-DC Texture Base Level 0 (1:1 Map)

—RW

E3-E0 Texture Base Level 1

—

E7-E4 Texture Base Level 2

—

EB-E8 Texture Base Level 3

—

EF-EC Texture Base Level 4

—

F3-F0 Texture Base Level 5

—

F7-F4 Texture Base Level 6

—

FB-F8 Texture Base Level 7

—

FF-FC Texture Base Level 8 (mallest)

—RW

Offset Data Port Area

Default

Acc

1xxxx Data Port Area

—

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