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Frequently Asked Questions
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SMW Hacking General ROM Hacking SMW Central
Question:What are patches and assemblers?
Answer:A patch contains new code that modifies aspects of the game, and the assembler applies the code to your ROM.
Question:How do I add a patch to my ROM?
Answer:Always back up your ROM first. Download Asar and put it in your ROM's folder. Double-click to run it, and enter the patch name, then the ROM name.
Question:I get a warning about "xkas" patches in Asar. Should I be worried?
Answer:Generally-speaking, no, but Asar has a compatibility flag, ";@xkas" - this goes at the top of these files without quotes.
Question:My ROM crashed when I applied a patch! Why?
Answer:If you're using an xkas patch, you probably did not point to free space correctly. Using a bad patch, loading a save state after patching, or incompatibility with another patch are some other possible reasons.
Question:When I apply a patch, another patch I've applied no longer works! Why?
Answer:Some patches modify the same code or use the same RAM addresses. You'll need to edit the patches to fix conflicts. Ask here or in #asm over Discord for help.
Question:How do I remove a patch from my ROM?
Answer:Download Unpatcher.
Question:How do I create my own patches?
Answer:There's a tutorial for that here. Note that you should have some ASM knowledge before trying to create your own patches though.

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