Unprotect for Silpheed by Independent (IND)
10852 of 48,815 files
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Last modified Jun 15, 1989 5:51:20 PM
MD5 checksum ad4aca694009a27d05c47d83c18001db
Mime type ASCII text, with CRLF line terminators
Download SILPHEED.TXT
Size 1 kB
1989 June 15
- Text / Guides and how-tos
- Super Dave, writer credits
Unprotect for Silpheed (IBM PC)
BE SURE TO BACKUP YOUR SILPHEED DISK BEFORE STARTING AND USE THE
BACK UP FOR THE UNPROTECT.
Modify only the backup copy!!!
First you should rename the file or files
SIERRA.EXE TO SIERRA
Ex. C>rename sierra.exe sierra
Next Load program into debug...
Ex. C>debug sierra
Then Follow the sample debug session:
-s 0000 ffff 74 05 e8 86 : Search of protection pattern
XXXX:YYYY : The search will return one addresses.
If more or less than one are returned
this unprotect may not work.
-e YYYY eb 18 : Edit the contents of the computed
address
Now write the new sierra game back to the disk:
-w <Enter>
Writing XXXX bytes
Then Quit Debug:
-q <Enter>
Now it is time to rename sierra back to sierra.exe
C>ren sierra sierra.exe
Now try to run the new (Hopefully) unprotected version of Silpheed
just push CR when asked to identify the ship.
C>sierra
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Unprotect Brought to you courtesy of Super Dave
Super Dave can be reached at:
The Download Depot BBS
(803) 269-7899
Greenville, SC