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Unprotect ThinkTank Version 1.000. by Independent (IND)

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Unprotect ThinkTank  Version 1.000   (There are TWO versions)

 1. Diskcopy the original disk to another floppy or copy the
    files to a hard disk. 
    (If you have version 1.001 go to 1.001 instructions)

 2. Rename TANK.EXE, type  RENAME  TANK.EXE TANK.XXX

 3. Rename INSTALL.EXE,  type  RENAME INSTALL.EXE INSTALL.XXX

 4. Type  DEBUG TANK.XXX  and press ENTER

 5. At the - prompt, type  R  . Look for the value in the DS register
    (left-hand column of the second line of the R display).

 6. Add 2000 to that DS value. i.e. if the R display showed DS=0D5F
    then you will use 2D5F. I will refer to this value later as xxxx.

 7. Check that your version is the same. Type the following:
 
      U  A8E9  and press ENTER

    You should see  JZ  A8EE on the first line of the display. If so, this
    patch should work.

 8. Type  E xxxx:59   90 90         Enter
 9. Type  E xxxx:5C   B8 00 00 90   Enter
10. Type  E A8E9 EB 03         Enter
11. Type  E A902 EB 03         Enter

12. To save these changes, now type  W
 
13. Type Q  to exit DEBUG.

14. Rename TANK back to it's original name   RENAME TANK.XXX TANK.EXE

15. At DOS, type  DEBUG INSTALL.XXX

16. Check the version to make sure this will work. Type 

    U 2D01  and press Enter.  You should see  JZ  2D06 on the first line.

17. If ok, then type  E 2D01  EB 03   Enter
18. Type   E 2D1A  EB 03   Enter
19. Type   E 50D9  90 90   Enter
20. Type   E 50DC  B8 00 00 90  Enter

21. To save the changes, type  W

22. To quit DEBUG, type  Q

23. Rename INSTALL back to original name   RENAME INSTALL.XXX INSTALL.EXE

That's it. The original floppy is no longer needed. you may copy the
TANK files to a hard disk, network or other floppy with normal DOS
commands.
07/18/84
=========================================================================
Unprotect ThinkTank  Version 1.001

 1. Diskcopy the original disk to another floppy or copy the
    files to a hard disk.

 2. Rename TANK.EXE, type  RENAME  TANK.EXE TANK.XXX

 3. Rename INSTALL.EXE,  type  RENAME INSTALL.EXE INSTALL.XXX

 4. Type  DEBUG TANK.XXX  and press ENTER

 5. At the - prompt, type  R  . Look for the value in the DS register
    (left-hand column of the second line of the R display).


 6. Add 1000 to that DS value. i.e. if the R display showed DS=0D5F
    then you will use 1D5F. I will refer to this value later as xxxx.
    Add 2000 to the original DS value (i.e.if DS=0D5F, it is now 2D5F).
    I will refer to this later as yyyy.

 7. Check that your version is the same. Type the following:
 
      U  xxxx:91F9  and press ENTER

    You should see  JZ  91FE on the first line of the display. If so, this
    patch should work.

 8. Type  E yyyy:319  90 90         Enter
 9. Type  E yyyy:31C  B8 00 00 90   Enter
10. Type  E xxxx:91F9 EB 03         Enter
11. Type  E xxxx:9212 EB 03         Enter

12. To save these changes, now type  W
 
13. Type Q  to exit DEBUG.

14. Rename TANK back to it's original name   RENAME TANK.XXX TANK.EXE

15. At DOS, type  DEBUG INSTALL.XXX

16. Check the version to make sure this will work. Type 

    U 2D01  and press Enter.  You should see  JZ  2D06 on the first line.

17. If ok, then type  E 2D01  EB 03   Enter
18. Type   E 2D1A  EB 03   Enter
19. Type   E 50D9  90 90   Enter
20. Type   E 50DC  B8 00 00 90  Enter

21. To save the changes, type  W

22. To quit DEBUG, type  Q

23. Rename INSTALL back to original name   RENAME INSTALL.XXX INSTALL.EXE

That's it. The original floppy is no longer needed. you may copy the
TANK files to a hard disk, network or other floppy with normal DOS
commands.
07/18/84