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2021-04-15 13:31:59 -05:00

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UNPROTECT 123.EXE
The following debug patch to 123.exe will completely unprotect
Lotus 123, even allowing it to run on a hard disk without the
floppy. As a bonus, it seems to allow it to run under DOS 2.00
also. I made the change and am running 123 on a Davong hard
disk under DOS 2.
PROCEDURE:
1. Rename 123.EXE to 123.XYZ
2. Type DEBUG 123.XYZ
3. Type S DS:100 FFFF E8 BE 71
The system will reply with xxxx:3666 where xxxx can vary
4. Type E xxxx:3666 90 90 90 (xxxx is the number from above
5. Type W to write the file back
6. Type Q to exit debug
7. Rename 123.XYZ to 123.EXE
That's it. You can run it from you hard disk and DOS 2.
Gene Plantz