Unprotect PHM Pegasus by Independent (IND)
1 of 2 files
tennessee cracker
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Last modified Mar 24, 1989 1:15:24 PM
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Download PEGASUS.UNP
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1989 March 24
- Text / Guides and how-tos
- Tennessee Cracker, writer credits
Electronic Art's PHM Pegasus
The following patch will circumvent the "secret decoder ring" copy protection
method that Electronic Arts uses to irritate the legitimate owner of the game
PHM Pegasus who does not care to keep his documentation book tied around his
neck.
Make certain that debug is in your path.
Step Explanation
1. Copy hf.exe relief<cr> Cannot patch an .EXE file so a dummy
file must be patched.
2. debug relief<cr> Enter DEBUG.
3. d 39b2<cr> Verify that our versions of PHM Pegasus
are the same. You should see 75 26 for
the first two bites.
4. e 39b2<cr> Enter the parching location,
5. 90<space bar>90<cr> enter a 90 in response to the 75 prompt,
hit the space bar (which will get you a
26 response), and enter another 90 and a
carriage return. You have just "no opted"
the jump instruction following the
critical comparison of the ship's
recogniton code response to the correct
value.
6. w<cr> Save the modified dummy file to disk,
7. q<cr> and exit DEBUG.
8. rename relief relief.exe<cr> Turn relief into an executable file.
All that remains is for you to type relief and wait for the familiar hydrofoil
to appear and then the recogniton drill screen. At this point you can look up
the proper answer, enter the first number that comes to mind, or just hit the
ENTER key. The results will be the same - the scenario selection screen pops
up. When you are happy that all is well you can then delete hf.exe and rename
relief.exe to hf.exe.
Tennessee Cracker
21 March 1989