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| Acmlm's Board - I3 Archive - The Pit of Despair - Games that don't handle cheat codes |
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ChaoJeff482 Micro-Goomba                Since: 11-21-05 From: Kent, Washington Last post: 6491 days Last view: 6286 days |
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| I know it has not been brought up, but I need to know what games or SNES specific Address bank formats like HI-rom don't read or accept re-writing of the address such as cheat codes? | |||
creaothceann Red Goomba      Since: 11-22-05 Last post: 6480 days Last view: 6480 days |
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| I don't think anybody has a list of such games.
Afaik a PAR code can change values at any address. Some games can detect that; in that case you'd have to change the detecting code as well. Very difficult without disassembling the ASM code... |
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Vangar Goomba  Since: 06-06-06 Last post: 6429 days Last view: 6429 days |
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Originally posted by creaothceann You would have to have detecting codes all over the place. Wouldn't that make the game's functions process a lot slower? |
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Sukasa Birdo Not quite as active as before. Xkeeper supporter Xk > ||bass I IP Banned myself! Twice!  Since: 11-17-05 From: Somewhere over there Last post: 6285 days Last view: 6284 days |
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| An easier way to do that woudl be to keep different, modified versions of the health code, and ocnstantly check them, or keep a 'dummy' health variable that will confuse players. | |||
HyperHacker Star Mario Finally being paid to code in VB! If only I still enjoyed that. <_< Wii #7182 6487 4198 1828 Since: 11-18-05 From: Canada, w00t! My computer's specs, if anyone gives a damn. STOP TRUNCATING THIS >8^( Last post: 6285 days Last view: 6285 days |
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Many games copy the health or variations of it to all different places not for confusion purposes, but just out of bad design. 
Originally posted by VangarOriginally posted by creaothceann Most games that do any sort of checking like this just do a simple ROM checksum at startup, or in some cases, during some event (I think I heard of one game that'd freeze after the first random battle if the checksum was wrong). To use a Game Genie (or PAR with ROM-editing codes) with them on a real SNES you need a code to kill that routine. On an emulator you can just not activate the codes until it's passed. If you really wanted to keep people out you could scatter code about to check smaller parts of ROM, such as the checksum routine, or have the game just slowly add up bytes in ROM in the background (add a few more each hblank or something) and stop if, when it finally finishes adding, the value isn't what it should be. I don't know of any games that do this though. |
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