Category : Unprotects for Games and Such
Archive   : NEWPOP.ZIP
Filename : NEWPOP.UNP

 
Output of file : NEWPOP.UNP contained in archive : NEWPOP.ZIP
Unprotect for Prince of Persia

Modify only the backup copy!!!
Rename the file PRINCE.EXE TO PRINCE
Ex. C>rename prince.exe prince
Next Load program into debug...
Ex. C>debug prince
Then Follow the sample debug session:

-e 4C72 90 90 90 90 90
-r : Get the value of the CS register
WWWW:???? ?? ??? ??
XXXX ????
-e XXXX:D508 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20
Now write the new prince game back to the disk:
-w
Writing XXXX bytes
Then Quit Debug:
-q
Now it is time to rename prince back to prince.exe
C>ren prince prince.exe




  3 Responses to “Category : Unprotects for Games and Such
Archive   : NEWPOP.ZIP
Filename : NEWPOP.UNP
”

  1. Daniel says:
    January 27, 2013 at 3:59 pm

    Very nice! Thank you for this wonderful archive. I wonder why I found it only now. Long live the BBS file archives!

  2. Joshie says:
    March 18, 2014 at 4:57 pm

    This is so awesome! 😀 I’d be cool if you could download an entire archive of this at once, though.

  3. DiskingRound says:
    January 14, 2015 at 10:57 pm

    But one thing that puzzles me is the “mtswslnkmcjklsdlsbdmMICROSOFT” string. There is an article about it here. It is definitely worth a read: http://www.os2museum.com/wp/mtswslnk/