1-2-3 Logo Zap
by Lloyd Borrett
Today's Computers, Wizard's Notebook, June 1985
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Here is a procedure that patches Lotus 123.EXE Release
1A* to by-pass the sign-on logo and eliminates the need to
"press any key" to start 1-2-3.
This patch was developed to let you display a graph from
the system level. With it, you can construct a worksheet
containing an auto-execute macro that will display a graph
then exit. By renaming this worksheet "AUTO123.WKS" and
typing "123" from the system level, the program will
execute, load "AUTOI23.WKS", and display the graph.
- Copy 123.EXE to a new disk or sub-directory.
- Make the new disk or sub-directory the current
directory.
- Rename the file 123.EXE using the command: rename
123.exe 123.zap [Return]
- Use the DEBUG program supplied on your PC DOS disks
to patch the file 123.ZAP: debug 123.zap [Return]
- Check for the right version of the program by
unassembling instructions: -u 049D [Return]. The first
line should read:
xxxx:049D E85106 CALL OAFI
This is the call to the routine that displays the
sign-on logo.
- Change the code to do three NOPs:
-e 049d [Return].
DEBUG displays: xxxx:049D E8.
Type 90 and hit the spacebar. DEBUG displays:
xxxx:049D E8.90 51.
Type 90 and hit the spacebar. DEBUG displays:
xxxx:049D E8.90 51.90 06.
Type 90 and hit [Return].
- Check the next section of code: -u 04c8
[Return]
The first line should read: xxxx:04c8 E87E16 CALL IB49
This is the call to the routine that waits for a key to
be pressed.
- Change the code to do three NOPs: -e 04c8
[Return]
DEBUG displays: xxxx:04C8 E8.
Type 90 and hit the spacebar. DEBUG displays:
xxxx:04C8 E8.90 7E.
Type 90 and hit the spacebar. DEBUG displays:
xxxx:04C8 E8.90 7E.90 16.
Type 90 and hit [Return].
- Save the changes: -w [Return].
DEBUG displays: Writing
15F80 bytes.
- Quit DEBUG: -q [Return]
- Rename the
patched file with the original program name: rename 123.zap
123.exe [Return]
The patched 123.EXE will no longer display
the sign-on logo and require a keystroke to start. Richard Tremmel developed the original version of this patch.
For
123.EXE Release 1A the code to be changed is: E85106 CALL OAFI and E8A316 CALL 1 B6E.
Last modified:
Saturday, 15 October 2011
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