Editing Battle Points in Pokemon Unbound
Pokemon Unbound is a ROM hack built on the Gen 5 engine, which means BP values are stored differently than you might expect from older games. The battle point counter lives in the save file at a specific RAM address, and editing it requires a savestate-aware approach rather than just pointing a hex editor at the ROM itself. Most people try to use GameBoy Advance/Nintendo DS memory editors like GBA Speedhacks or RetroArch's memory viewer, but Unbound uses a scrambled save format that changes addresses between play sessions. That is the first thing that trips everyone up. The BP value you see on screen is not the value actually stored in memory in a static way.
Pokemon Unbound Bp Cheat
The reliable method uses retroarch's in-game savestate combined with a RAM pointer scan. Load your save in RetroArch, create a savestate, then open the debugger and search for the current BP value. You will get a list of pointers that update when you change your BP through normal gameplay. Cross-reference across multiple searches until the pointer stabilizes, then edit the pointer directly instead of the static address. I spent about three hours on this back when Unbound first came out because the pointer chain is two levels deep on the DS version. The first pointer is relatively stable, but the second level shifts depending on your playthrough flag state. If you are in the post-game with certain story flags set, the pointer changes. The workaround was writing a small script that auto-did a pointer scan after every in-game BP change and logged the consistent ones across fifteen separate scans. There is also a simpler approach if you just want raw BP without the pointer hunting. Some users patch the game binary directly by finding the function that writes to the BP display buffer and replacing the load instruction with a constant. This is a one-time fix that works regardless of flags or save state, but it requires knowing the correct offset for your ROM revision. Unbound v1.4 and v1.5 have different offsets, and mixing them up means the game crashes to a black screen on the next save load.
If you go the pointer route, here is what I would actually do. Open RetroArch with the .ds ROM loaded. Navigate to any location in the game where you can earn BP, like the Battle Frontier, and note your current BP total. Open the memory viewer, set the search type to "word" since Gen 5 uses 32-bit values, and search for your BP number. Change your BP by battling once, then do a new search filtering only matching results. Repeat until you have fewer than ten candidates. Then use the pointer map function to trace each candidate back to its base pointer. The correct one will point to an address that increments and decreases predictably with every BP gain or loss. The main limitation with all of this is that any edited save file may conflict with the game's CRC checksum validation. Unbound does a basic integrity check on load in some versions, and if the checksum does not match the expected value for that save slot, the game will silently reject the file and revert it. The workaround is to also patch the checksum routine, which is a separate address from the BP pointer and usually located near the start of the save import function. Without that patch, your edited BP values vanish on the next game restart. For people who just want it to work without debugging a pointer scan, there are existing trainer hacks and save editors floating around the Pokemon Unbound community forums. They handle the pointer resolution internally and patch the checksum automatically. The trade-off is that you are running someone else's code, so you should verify the MD5 of the tool against what the author posted originally. Modified executables of save editors are common, and a tampered one can corrupt your save in ways that look like a normal bad save rather than an obvious hack failure.
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