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1996-01-30
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*****************************************************************************
SVGACC A Super VGA Graphics Library For Use With MS compatible C compilers
Copyright (c) 1993-1996 By Stephen L. Balkum and Daniel A. Sill
*****************************************************************************
*****************************************************************************
INTRODUCTION
*****************************************************************************
SVGACC is a Super VGA graphics library designed for use with real mode
Microsoft compatible C/C++ compilers. It is written in 100% assembly
language for the best possible speed. It provides the C/C++ programmer
with an easy interface to the high resolution/high color video modes of the
newer SVGA video cards. Because there is no "standard" for VGA video cards
above the 320x200x256 resolution, each video card manufacturer has
implemented a slightly different method to access these high resolution/high
color video modes. This graphics library will automatically identify the
video card and its installed memory. This way, the programmer may write
graphics programs that will work on most any SVGA card without writing
specific versions for each individual SVGA card. Over 100 subroutines and
functions are provided.
*****************************************************************************
SYSTEM REQUIREMENTS
*****************************************************************************
This SVGA graphics library requires a 386sx or better processor (to
take advantage of 32 bit instructions) as well as one of the following Super
VGA video card brands/chip sets:
Acumos SuperVGAs
Avance Logic SuperVGAs
ATI Technologies SuperVGAs
Ahead SuperVGAs
Chips and Technologies SuperVGAs
Cirrus Logic SuperVGAs
Everex Micro Enhancer SuperVGAs
Genoa SuperVGAs
Mxic SuperVGAs
NCR SuperVGAs
Oak Technologies SuperVGAs
Realtek SuperVGAs
Paradise/Western Digital SuperVGAs
Primus SuperVGAs
Trident SuperVGAs
Tseng Labs SuperVGAs
Video 7 SuperVGAs
All VESA compatible SuperVGAs (version 1.00 and greater)
The maximum resolution is dependent on the video card, its
installed memory, and the video monitor. Most VGA video cards support the
320x200x256 and 640x400x256 video modes. 512k of video memory is required
to support the 640x480x256 and 800x600x256 video modes. 1 meg of video
memory is required to support the 1024x768x256 video mode. 2 meg of video
memory is required to support the 1280x1024x256 video mode.
Also, video card manufactures are starting to provide VESA drivers
for their video cards. Contact the technical service department of your
video card manufacturer and see if they have a VESA driver or updated
BIOS available for your video card.
Notes:
1) Unfortunately, we currently cannot detect more than 1 Meg of video
memory on ATI SuperVGAs. We suggest users of 2 Meg ATI cards use the VESA
driver with the pan option enabled (vvesa.com pan). Any suggestions in this
area are appreciated.
2) We have had several reports of buggy VESA had problems in the 800x600
modes and some S3 based Number 9 cards do not support paging in correctly in
all modes. If the library identifies your video card as a "VESA compatible"
and something does not work correctly, contact the manufacturer and see if
they have a BIOS update available
*****************************************************************************
WHAT IS NOT INCLUDED
*****************************************************************************
The following functions are not included with the shareware version.
Please note that we feel that these functions are not nessessary for the
evaluation of the library but do provide some incentive to register.
fillconvexpoly
fillpoly
pcxmake
xmsallocate
xmsblkget
xmsblkput
xmscopy
xmserror
xmsfree
xmsget
xmsput
xmsscreenget
xmsscreenput
*****************************************************************************
LEGAL STUFF
*****************************************************************************
NO WARRANTY / NO LIABILITIES:
Stephen L. Balkum, Daniel A. Sill, and Zephyr Software provide no
warranties, either expressed or implied, of merchantability, or fitness,
for a particular use or purpose of this SOFTWARE and documentation.
In no event shall Stephen L. Balkum, Daniel A. Sill, and Zephyr
Software be held liable for any damages resulting from the use of, misuse of,
or inability to use, the SOFTWARE and documentation.
COPYRIGHT:
This SOFTWARE is owned by Stephen L. Balkum, Daniel A. Sill and is
protected by both United States copyright laws, and international treaty
provisions.
U.S. GOVERNMENT RESTRICTED RIGHTS:
Use, duplication, or disclosure of the SOFTWARE and documentation
by the U.S. Government is subject to the restrictions as set forth in
subparagraph (c)(1)(ii) of the Rights in Technical Data and Computer
Software clause at DFARS 252.227-7013. Contractor/manufacturer is Stephen
L. Balkum and Daniel A. Sill P.O. Box 7704, Austin, Texas 78713-7704
OTHER RESTRICTIONS:
You may not rent, or lease, this SOFTWARE or documentation. You
may not network this SOFTWARE or documentation. You may not disassemble
or reverse engineer this SOFTWARE. THIS SOFTWARE IS FOR EVALUATION ONLY.
YOU ABSOLUTELY MAY NOT SELL, RENT, LEASE, GIVE AWAY ANY PROGRAMS WRITTEN
USING THE SHAREWARE VERSION OF THIS SUPER VGA GRAPHICS LIBRARY. ANYONE
FOUND DOING SO WILL BE PROSECUTED.
*****************************************************************************
REGISTRATION, UPGRADES, BUG REPORTS, ETC.
*****************************************************************************
REGISTRATION:
If, after evaluating this software, you would like to register it,
the price is $35.00 for the first copy and $5 for each additional copy or
upgrade (including alternate DOS versions). With registration you will
receive the registered version of the SVGACC graphics library and the
following bonuses:
* Additional features such a PCX encoding, XMS support and the
polygon fill routines.
* MS Word 2.0 Documentation (includes drawings, table of contents,
index, ready to print).
* A font editor (mouse/keyboard driven with source and samples)
that will allow you to create custom fonts (from 4x4 to 8x16)
as well as font object files that can be linked with your program.
* A mouse cursor editor (mouse/keyboard driven with source and
samples) that will allow you to create custom mouse cursors as
well as mouse cursor object files that can be linked with your
program.
* Limited telephone technical support (evenings only, we will be
glad to help you with the use of our library, but we cannot debug
your code.)
* Discounts on upgrades and alternate DOS versions (such as the MS
QuickBasic version, the MS PDS/VBDOS version and the PB PowerBASIC
version.
Please see the files 'ORDER.FRM' and 'CHARGEIT.FRM' for complete ordering
information.
UPGRADES:
We will maintain a mailing list of registered users so we may
notify you of future upgrades, discounts and products. Should you discover
that a new version exists and we have not notified you, please contact us
for upgrade information and discounts.
COMMENTS, SUGGESTION, BUG REPORTS:
We are very interested in what you think of our library, Please
send all comments, suggestions, ideas, and bug reports to:
Zephyr Software
P.O. Box 7704
Austin, Texas 78713-7704
We can also be contacted through internet:
balkum@phoenix.phoenix.edu
sill@zeke.as.utexas.edu
Our home page on the World Wide Web is:
http://www.phoenix.net/~balkum
ABOUT SHAREWARE:
We are big believers in the sh