But as you remember that in a hex editor, the order is the other way around, insert DO 07 (it's the endian thing of the computer). In my screenshot, it's still E7 03 as I'm yet to know about that silo/refinery thing. Use calc and you will see that it's your current value. Go to offset 000186 and you will see a new value. Note the new amount of cash/spice you have now. So go back to the game, build a refinery, and save it. NOTE: In some games you might not have to do this, but in Dune 2, you can only keep money amount to silo/refinery you have. I want you to note that E7 comes before 03 in the hex editor, and the location (offset) for E7 is 000186. Wow! We have found the exact location the first time. There's only one occurence of E7 that it finds, guess what, its new value is E2. Since this is a value that changes, try using Find from the byte compare program menu. Why did I add 0 in front? It always comes in pairs, in a hex editor, that is. If you use Calc, you will get 3e7 and 3e2. Now that you have done the byte compare, what is the value we are looking for? 999 dec = 03e7 hex, 995 dec = 03e2 hex.
Try entering 255, in will converted into FF. Click hex and you will see in converted into hex value. Read a programming book if you want to know more, for this tutorial you need either a scientific calculator, or the Calc program that came with Windows. If 0-1 is binary, 0-9 is decimal, then 0-F is hex. Run a byte compare program on both _000.sav and _001.sav with 001 as new and 000 as old.įirst, I want to teach you about hex. Watch that your starting cash (spice actually) is 999. First start the game, choose House Atredies. What we want to do is change the amount of money we have. The main reason why I've picked Dune 2 is that the game is simple, and the savegame is simple. If everything else fails, then this is what the tutorial is for.
If an ASM coder has written an editor, use it. Some games have no cheats, some games are too old for any site with lists cheats (or editor), since DOSBOX doen't support memory search/edit/freeze just yet - I guess we have to edit the save game for now.ĭo this as a last resort, if the game has a cheat - use it. The main reason why I've written this article / tutorial is for old game fans.
#HEX EDITOR TURRETZ GAME PC#
And no, I don't have an old PC lying around so that I can run old games on their native format and edit the memory using GameWizard. Now I'll tell you why I've written this tutorial. As in health, if the programmer compares all health and found the lowest value, they could use that as the current health variable (change array number - easy). All you need is to create a 200-byte memory location. I don't know if this is actually how it works (using array) - but poking to memory works too (hey, guess what, it's faster too!), I think. If you create an array, let's say, of 200, it's only 200 bytes of memory, but 200 memory locations for the mem hacker. They only need an array, and you use it for a few vars only. Sometimes, the programmer did it for fun.
But sometimes, you still find 100 locations. Find 2 and when suddenly you have 3 flowers, find 3 - you will find the location, change it, save the game. If you can't do that, this is why people write tools like Game Wizard (DOS) and Game Master (Win). Play the game until you have a good search data which reveals a few locations. So if you come to a situation where there's too any locations with too little data (like you need 10 flowers and only have 3, and there's 400 locations containing 0x03 in the. Oh, since we didn't do any disassembly, this tutorial will use bruteforce technique. One might say that these are useless nowdays, but I'll tell you the reason when we will have arrived at the right point So what technique we will use? Simple, byte compare and a hex editor.
#HEX EDITOR TURRETZ GAME .EXE#
exe to know how the game works, what it does when it save the game file (like what people do to write application keygen - they have to do this to know what calculation they must do, or which JMP / JNZ that they must bypass. Why did I put 'By Beginners For Beginners' in the title? Simple, because this tutorial WILL NOT cover encrypted save games, or disassembling the. I just was reading ROMHacking by Ti Dragon, so I decided to write a hacking tutorial of my own, this one that I enjoyed doing a long, long time ago. Save Game Hacking: By Beginners For Beginners
0 kommentar(er)
