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1994-05-26
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Discovery Channel
Explore Your World
Demonstration CD 05/18/94
======================================================================
Problems with Third Party Drivers in Authorware Pro for Windows 2.0
February 1, 1993
======================================================================
This is a list of known problems with third party drivers in APW 2.0.
It includes video display drivers, video overlay drivers and external
movie drivers. We have identified many of these problems as bugs in
the driver code and not in APW. If you are using any of these devices
or drivers, and run into any of these problems, you may wish to contact
the manufacturer to see about the availability of updated drivers.
----------------------------------------------------------------------
DISPLAY DRIVERS
----------------------------------------------------------------------
ATI VGAWonder XL (Version 3.1)
- Screen refresh problem while opening files on net in 32K mode.
This is a display driver problem.
- In 640x480 32K mode with large fonts dialogs like Import Movies
extend beyond the monitor. The ATI system fonts are simply too large in
32K mode.
- Color dialog on in 32K mode has dots in the dialog. This is a
display driver problem.
Hercules Graphics Gold (TIGA.DRV dated 4/6/92)
- All interal movies play incorrectly in 32K mode on this card.
This is a display driver bug.
- Toolbox palette shows only grays in 32K color mode. This is a
display driver bug.
- Certain bitmaps do not display correctly 32K color mode. This
is a display driver bug.
IBM XGA
- Pattern display & erase effect does not look right. Instead
of a nice fade out, the entire object flashes repeatedly as it
disappears. The driver performs the ROP we request by doing 5 passes
over the bitmap.
IBM XGA (Version 2.0)
- Import FLC movie in 65k color mode and get hash on the screen.
This is a display driver problem.
IBM 8514 (Included with Windows 3.1)
- Characters sometimes overwrite in long text strings in calc icon.
- If characters are repeatedly put into a calc icon, 8514a will UAE.
This is a bug in the 8514 driver. This will only happen if the characters
are typed well past APW's 410 character expression limit.
- Pattern display & erase effect does not look right. Instead of a
nice fade out, the entire object flashes repeatedly as it disappears.
The driver performs the ROP we request by doing 5 passes over the bitmap.
Orchid Fahrenheit 1280 (ORCHIDF.DRV dated 8/10/92)
Note: earlier versions of this driver had many more problems, please ensure you have the
latest version.
- Screen does not redraw properly when graphics and movies are
imported in 256 color mode. This is a driver bug. The driver function
SaveScreenBitmap, used to save and restore bits behind a dialog box or
pull-down menu, is failing.
- In 32K mode under Windows 3.0 MVE movies (engine.apw) do not play
correctly. This is a display driver problem.
- In 640x480 32K color mode get violet color swatches with text tool
use. This is a display driver problem.
- In 640x480 32K color mode scrolling text doesn't draw properly.
This is a display driver problem.
- Pattern display & erase effect does not look right. Instead of a
nice fade out, the entire object flashes repeatedly as it disappears.
The driver performs the ROP we request by doing 5 passes over the bitmap.
- Can't play two Indeo movies simultaneously. This is a Indeo/Orchid
driver problem.
Orchid ProDesigner II & Diamond Speedstar (Drivers dated 3/1/92)
- System often hangs if you paste, import, or change mode of a
bitmap in 32K mode. This is a display driver bug.
- In 32K mode, 4-bit (16 color) bitmaps may appear fuzzy.
WinSpeed & Turbo Windows (Drivers dated 4/13/92)
- In 256 color mode get UAE when importing a 24-bit DIB with odd
pixel width. This is a driver bug.
----------------------------------------------------------------------
MICROSOFT VIDEO FOR WINDOWS (AVI)
- Do not remove discs from CD-ROM drives while playing a movie. You may get an error
message or your computer may freeze.
----------------------------------------------------------------------
INTEL INDEO
- Indeo movies may appear offset due to misalignment of Actionmedia
board. See Intel documentation regarding alignment of the ActionMedia II.
- Indeo movie playing behind the movie dialog shows through black
parts of the the dialog. This only happens with the Indeo hardware
installed. This is an Indeo hardware problem.
- Indeo movies take three to four seconds to load. Intel is aware of
the performance issues and will address them in a future release. There is
nothing we can do to significantly improve performance in this case.
- Do not remove discs from CD-ROM drives while playing a movie.
You may get an error message or your computer may freeze.
----------------------------------------------------------------------
VIDEOLOGIC DVA-4000
- In 256-color mode, selecting a chromakey color for the Videologic
DVA-4000 fails if the color is beyond the first 64. This is a limitation
of the DVA-4000.