SPC8104 S-MOS Systems, SPC8104 Datasheet - Page 239
SPC8104
Manufacturer Part Number
SPC8104
Description
VGA LCD CONTROLLER
Manufacturer
S-MOS Systems
Datasheet
1.SPC8104.pdf
(306 pages)
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Part Number:
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1.0
The VRTEXP program is used to control Text and Graphics Vertical Expansion on an LCD panel.
This program calls the Seiko Epson BIOS Extentions (SOLLEX) function which modifies LCD
control bits within the Seiko Epson video chip. VRTEXP.EXE does not Terminate and Stay Resi-
dent (TSR) and can be run as many times as the user desires.
1.1
1.2
Copy the file vrtexp.exe from the distribution disk to a directory on your hard drive that is in your
DOS path.
1.3
VRTEXP.EXE is run from the command line as follows:
Where:
1.4
SPC8104
vrtexp /T | /G | /B | /N
•
•
412-1.0
Video Controller
Display Type
BIOS
DOS Program
DOS Version
Windows Program
Windows DOS Box
Windows DOS Full Screen : Yes, Windows 3.1x and Windows 95
OS/2 DOS Full Screen
This utility requires the Seiko Epson video BIOS.
In a Windows DOS box, the DOS box text mode is emulated with graphics. Text modes are not actually text
modes at all, but are graphics modes. Running VRTEXP in this case behaves as would be expected when
running in graphics mode. Switching to a full screen DOS box using <ALT>-<Enter> switches the emulated
text mode to an actual text mode and the program will then behave normally.
DOCUMENT TITLE VARIABLE
Program Requirements
Installation
Usage
Comments
/T
/G
/B
/N
S-MOS Systems, Inc. • Tel: (408) 922-0200 • Fax: (408) 922-0238 • http://www.smos.com
enables Text Vertical Expansion and disables Graphics Vertical Expansion.
enables Graphics Vertical Expansion and disables Text Vertical Expansion.
enables both Text & Graphics Vertical Expansion (BOTH)
disables both Text & Graphics Vertical Expansion (NONE)
: SPC8104, SPC8106, SPC8108, SPC8110
: LCD
: Seiko Epson VGA BIOS
: Yes
: 3.0 or greater
: No
: Yes, with limitations Windows 3.1x and Windows
: Yes
95
VRTEXP.EXE Display Utility
UY11-3
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