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1986-06-22
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86 lines
1.0 Scope
This docment will describe the operation and features of
the LPTSEL.EXE program (Version 1.00).
2.0 Introduction
The LPTSEL program was written to allow the user to reassign
the parallel printer addresses. This allows any installed parallel
printer adapter to be assigned the "DOS DEVICE NAME" of LPT1:.
This allows the user the flexibility of selecting any of connected
adapter as the "default printer" that is used by most DOS programs.
This program may be executed under the WORDSTAR "R" command
to allow selection of a "draft" or "letter quality" printer. The text
may be printed on the "draft" printer utill it's final format is
acheived. The "letter quality" printer may then be selected.
LPTSEL supports reassignment of any of the three possible
parallel printer adapters.
LPTSEL was written to work with the IBM-PC. It may also
work with the "IBM COMPATIBLE UNITS" although this is not
guaranted. This program does work with the COMPAQ personal computer
though.
3.0 Operation
LPTSEL maybe executed at the dos level by typing "LPTSEL X".
"X" represents one of the possible commands listed in TABLE 1.
"X" Function
--- ------------------------------------------
S Show current assignments of LPT1: - LPT3:
0 Assign LPT1: to the parallel adapter at 03BCH
1 " " 0378H
2 " " 0278H
3.0.1 "S" Command
This command will show the assignements of LPT1: to LPT3:.
If N/A is show for any LPTX: device this means that the device is
not available.
3.0.2 "0" Command
This command will assign the "DOS DEVICE" LPT1: to the
parallel printer adapter addressed at 03BCH. If that adapter is not
available then "ERROR 03BCH (0) NOT AVAILABLE" will be displayed.
If the assignment is successful then "LPT1: 03BCH (0)" will be
displayed.
3.0.3 "1" Command
This command will assign the "DOS DEVICE" LPT1: to the
parallel printer adapter addressed at 0378H. If that adapter is not
available then "ERROR 0378H (1) NOT AVAILABLE" will be displayed.
If the assignment is successful then "LPT1: 0378H (1)" will be
displayed.
3.0.4 "2" Command
This command will assign the "DOS DEVICE" LPT1: to the
parallel printer adapter addressed at 0278H. If that adapter is not
available then "ERROR 0278H (2) NOT AVAILABLE" will be displayed.
If the assignment is successful then "LPT1: 0278H (2)" will be
displayed.
4.0 Additional Information
Source listings for LPTSEL.EXE are available from the
the PARAMOUNT RBBS-PC (213)-633-4675. The latest version may
also be downloaded from the Paramount RBBS-PC also.
If you make any changes or additions to the LPTSEL.EXE
program please upload the new version to the my RBBS so I can
incorporate the changes into a future version.
LPTSEL.EXE is a Copyrighted by myself (LJ HERMAN) and
the copyright messages in LPTSEL.EXE may be by passed or
modified.
If you have any problems with this program or wish to
request additional features please call the Paramount RBBS-PC
and leave a comment to the sysop.