Unprotect for Sky Fox   by Independent (IND)

Unprotect for Sky Fox (IBM PC) BE SURE TO BACKUP YOUR SKY FOX DISK BEFORE STARTING AND USE THE BACK UP FOR THE UNPROTECT. Modify only the backup copy!!! First you should rename the file or files SKYFOX4.EXE SKYFOX4 SKYFOX16.EXE SKYFOX16 Ex. C>rename skyfox4.exe skyfox4 Next Load program into debug... Ex. C>debug skyfox4 Then Follow the sample debug session: -s 0000 ffff e9 1b 00 c6 46 : Search for protection pattern : SKYFOX4.EXE XXXX:YYYY : The search will return one addresses. If more or less than one are returned this unprotect may not work. -e YYYY 90 90 90 : Edit the contents of the computed address -s 0000 ffff 74 19 c6 46 : Search for protection pattern : SKYFOX16.EXE XXXX:YYYY : The search will return one addresses. If more or less than one are returned this unprotect may not work. -e YYYY 90 90 : Edit the contents of the computed address Now write the new skyfox4 game back to the disk: -w <Enter> Writing XXXX bytes Then Quit Debug: -q <Enter> Now it is time to rename skyfox4 back to skyox4.exe C>ren skyfox4 skyfox4.exe Now try to run the new (Hopefully) unprotected version of Sky Fox just push CR when asked to identify the starbase. C>skyfox4 -------------------------------------------------------------------------- Unprotect Brought to you courtesy of Super Dave Super Dave can be reached at: The Download Depot BBS (803) 269-7899 Greenville, SC