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vesa.zip （5个子文件）

vesa

Vesa 2_0 Specification.htm 88KB

vbe3.pdf 271KB

vesasp12.txt 56KB

vbe20.pdf 371KB

SuperVGA.txt 24KB

VESA

Video Electronics Standards Association

2150 North First Street, Suite 440 Phone: (408) 435-0333

San Jose, CA 95131-2029 FAX: (408) 435-8225

VESA BIOS EXTENSION (VBE)

Core Functions

Standard

Version: 2.0

Document Revision: 1.1

Ratification Date: November 18, 1994

Purpose

To standardize a modular, software interface to display and audio devices. The VBE interface is

intended to simplify and encourage the development of applications that wish to use graphics, video, and

audio devices without specific knowledge of the internal operation of the evolving target hardware.

Summary

The VBE standard defines a set of extensions to the VGA ROM BIOS services. These functions can

be accessed under DOS through interrupt 10h, or be called directly by high performance 32-bit

applications and operating systems other than DOS.

These extensions also provide a hardware-independent mechanism to obtain vendor information, and

serve as an extensible foundation for OEMs and VESA to facilitate rapid software support of emerging

hardware technology without sacrificing backwards compatibility.

VBE Core Standard

Page ii VBE CORE FUNCTIONS VERSION 2.0

DOCUMENT REVISION 1.1

VBE CORE FUNCTIONS VERSION 2.0 Page iii

DOCUMENT REVISION 1.1

Intellectual Property

within VESA member companies for review purposes is permitted. This document may be posted

online in its unmodified, read-only format only. No charges, other than standard connect or download

charges, may be assessed for this document. All other rights reserved.

While every precaution has been taken in the preparation of this standard, the Video Electronics

Standards Association and its contributors assume no responsibility for errors or omissions, and make

no warranties, expressed or implied, of functionality or suitability for any purpose.

The sample code contained within this standard may be used without restriction.

Trademarks

All trademarks used in this document are property of their respective owners.

•

VESA, VBE, VESA DDC, VBE/AI, VBE/PM, and VBE/DDC are trademarks of Video

Electronics Standards Association.

•

MS-DOS and Windows are trademarks of Microsoft , Inc.

•

IBM, VGA, EGA, CGA, and MDA are trademarks of International Business Machines

•

RAMDAC is a trademark of Brooktree Corp.

•

Hercules is a trademark of Hercules Computer Technology, Inc.

Patents

VESA proposal and standards documents are adopted by the Video Electronics Standards Association

without regard to whether their adoption may involve patents on articles, materials, or processes. Such

adoption does not assume any liability to any patent owner, nor does it assume any obligation whatever

to parties adopting the proposal or standards document.

Support for this Specification

Clarifications and application notes to support this standard will be published as the need arises. To

obtain the latest standard and support documentation, contact VESA.

If you have a product which incorporates VBE, you should ask the company that manufactured your

product for assistance. If you are a display or controller manufacturer, VESA can assist you with any

clarification you may require. All comments or reported errors should be submitted in writing to VESA

using one of the following mechanisms:

World Wide Web:

www.vesa.org

Mail to:

E-mail:

techsupport@vesa.org Video Electronics Standards Association

Fax:

408-435-8225 2150 North First Street, Suite 440

Voice:

408-435-0333 San Jose, California 95131-2029

Page iv VBE CORE FUNCTIONS VERSION 2.0

DOCUMENT REVISION 1.1

SSC/VBE Workgroup Members

Any industry standard requires input from many sources. The people listed below were members of the

VBE Workgroup of the Software Standards Committee (SSC) which was responsible for combining all

of the industry input into this proposal:

CHAIRMAN

Kevin Gillett, S-MOS Systems, Inc.,

past chairman, Rod Dewell , Excalibur Solutions

MEMBERS

David Penley, AT&T Global Information Solutions

Rebecca Nolan, Chips and Technologies, Inc.

Brad Haakenson, Cirrus Logic, Inc.

Joe Rickson, Logitech, Inc.

Aaron Leatherman, LSI Logic Corporation

Jake Richter, Panacea Inc.

Raluca Iovan, Phoenix Technologies Ltd.

Kendall Bennett, SciTech Software

Tom Ryan, SciTech Software

George Bystricky, S-MOS Systems, Inc.

Jason Li, Trident Microsystems, Inc.

Chris Tsang, ULSI Systems

Greg Moore, Video Electronics Standards Association

Andy Lambrecht, VLSI Technology, Inc.

Rex Wolfe, Western Digital Imaging

VBE CORE FUNCTIONS VERSION 2.0 Page v

DOCUMENT REVISION 1.1

Table of Contents

INTELLECTUAL PROPERTY .....................................................................................................................................................iii

RADEMARKS

...................................................................................................................................................................................iii

ATENTS

............................................................................................................................................................................................iii

SUPPORT FOR THIS SPECIFICATION...................................................................................................................................iii

SSC/VBE WORKGROUP MEMBERS........................................................................................................................................iv

TABLE OF CONTENTS..................................................................................................................................................................v

1.0 INTRODUCTION...................................................................................................................................................................... 1

1.1 S

COPE OF THE

VBE S

TANDARD

...............................................................................................................................................1

1.2 B

ACKGROUNDER

........................................................................................................................................................................2

2.0 VBE OVERVIEW......................................................................................................................................................................5

2.1 VBE F

EATURES

...........................................................................................................................................................................5

2.2 VBE A

FFECTED

EVICES

..........................................................................................................................................................5

2.3 P

ROVIDING

ENDOR

NFORMATION

.......................................................................................................................................5

3.0 VBE MODE NUMBERS...........................................................................................................................................................6

4.0 VBE FUNCTIONS...................................................................................................................................................................10

4.1 VBE R

ETURN

TATUS

.............................................................................................................................................................10

4.2 P

ROTECTED

ODE

ONSIDERATIONS

................................................................................................................................11

4.3 F

UNCTION

- R

ETURN

VBE C

ONTROLLER

NFORMATION

.........................................................................................12

4.4 F

UNCTION

- R

ETURN

VBE M

ODE

NFORMATION

......................................................................................................16

4.5 F

UNCTION

- S

VBE M

ODE

.........................................................................................................................................25

4.6 F

UNCTION

- R

ETURN

URRENT

VBE M

ODE

...............................................................................................................26

4.7 F

UNCTION

- S

AVE

ESTORE

TATE

............................................................................................................................27

4.8 F

UNCTION

- D

ISPLAY

INDOW

ONTROL

.................................................................................................................27

4.9 F

UNCTION

- S

OGICAL

CAN

INE

ENGTH

................................................................................................28

4.10 F

UNCTION

- S

ISPLAY

TART

......................................................................................................................29

4.11 F

UNCTION

- S

DAC P

ALETTE

ORMAT

........................................................................................................30

4.12 F

UNCTION

- S

ALETTE

ATA

.......................................................................................................................30

4.13 F

UNCTION

- R

ETURN

VBE P

ROTECTED

ODE

NTERFACE

..................................................................................31

5.0 VBE SUPPLEMENTAL SPECIFICATIONS......................................................................................................................34

5.1 P

URPOSE OF

UPPLEMENTAL

PECIFICATIONS

................................................................................................................34

5.2 O

BTAINING

UPPLEMENTAL

VBE F

UNCTION

UMBERS

.................................................................................................34

5.3 R

EQUIRED

VBE S

UPPLEMENTAL

PECIFICATION

OMPONENTS

..................................................................................35

5.3.1 VBE Supplemental Specification Functions..............................................................................................................35

5.3.2 Return Status....................................................................................................................................................................35