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10795 of 48,116 files

1987 September 1

  • Text / Guides and how-tos
  • Tony Elliott, writer credits
[+] Configuration Copy text
U N P R O T E C T for Chuck Yeager's Advanced Flight Simulator V1.0 If you are anything like I am then you scorn the use of copy protection methods implemented by some commercial software compa- nies. They are inconvenient for hard disk users because either they force you to have a "key" diskette in drive A: or they clutter up your hard disk with hidden subdirectories and files. They also can slow the loading and operation of the program. I do not condone software piracy at any level. I do feel, however, that legitimate software owners have the right to make executable backup copies and are entitle to "hassle free" oper- ation. The laws pertaining to this topic vary from state to state. I suggest you look into this BEFORE using the information contained in this text file. I TAKE NO RESPONSIBILITY FOR THE USE OR MISUSE OF THIS INFOR- MATION. USE IT AT YOUR OWN RISK. Now since that is out of the way, we can get down to business. This patch was developed for the version 1.0 of "Chuck Yeager's Advanced Flight Simulator" distributed by Electronic Arts. FLOPPY BASED SYSTEMS If you are using a floppy-based system, format a new 360K dis- kette. Then, copy all of the files from the A:\AFS subdirectory of your original distribution diskette to the root directory of the newly formatted floppy. You may now put your original diskette in a safe place because you will no longer need it. HARD DISK SYSTEMS Log into the subdirectory containing the AFS files. patch for AFS V1.0 Page 1 BOTH SYSTEMS Now, be sure that a copy of DEBUG is in the current directory or is in the PATH. 1. REN AFS.EXE AFS <ENTER> 2. DEBUG AFS 3. At the DEBUG "-" prompt, type U 0DB4 <ENTER> Several lines with be displayed on the screen. You are inter- ested in the first two. The should look EXACTLY like this: xxxx:0DB4 E90CA7 JMP B4C3 xxxx:0DB7 C3 RET The "xxxx" represents any four hexadecimal numbers. If you have a match, on to the next step. If not, then skip on down to the section called "Didn't Work." 4. At the "-" prompt again, type U OE31 <RETURN> Several lines of code will again be displayed on the screen. Look at the first two following the "U 0E31" command. They should also match exactly with the following: xxxx:0E31 880E5005 MOV [0550],CL xxxx:0E35 8A0E4D05 MOV CL,[054d] If you have a match here, then you should have a compatible version of the AFS program. If you did not get an EXACT match then skip down to "Didn't Work." 5. At the "-" prompt, type the following: E 0DB4 90 90 90 <ENTER> E 0E31 C3 90 90 90 <ENTER> W <ENTER> Q <ENTER> You should now be back in DOS. Only one more step left. 6. REN AFS AFS.EXE <ENTER> That's it! You now have an unprotected copy of AFS. If you copied DEBUG into your current directory, it is no longer needed here and may be deleted. UNPROTECT for AFS V1.0 Page 2 DIDN'T WORK If the code shown on your screen did not match the code in the text file, then the chances are you have a different version of the AFS program. In that case, type "Q <ENTER>" and, back in DOS, type "REN AFS AFS.EXE" and all should be back to normal. If you have any questions or comments concerning this patch, I may be contacted via Compuserve (ID: 71370,2676) or through just about any of that Atlanta area PC Boards. Tony Elliott 2007 Manassas Drive Woodstock, GA 30188 →→→→→→→→→→→→→→→→→→→→→→→→→→→→→→→→→→→→→→→→→→→→→→→→→→→→→→→→→→→→→→→→→→→→→→→→→→→→→→→→→→→→→→→→→→→→→→→→→→→
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