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Branch out of bounds
Forum Index - SMW Hacking - SMW Hacking Help - ASM & Related Topics - Branch out of bounds
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I got these errors when trying to insert an UberASM code that I wrote :

Code
  Text.asm:34: error: (E5037): Relative branch out of bounds. (Distance is 154). [BEQ skip]
  Text.asm:38: error: (E5037): Relative branch out of bounds. (Distance is 148). [BEQ skip]
  Text.asm:46: error: (E5037): Relative branch out of bounds. (Distance is 129). [BNE skip]


So it seems that the destination of the branch that I'm trying to make is too far away. What should I do to fix this, while still having the conditional branch?
There's a few ways you can solve this:
- Repurpose some of the code that's between those instructions and the skip label so there's less space between them. For example, moving some of the code to a subroutine.
- Invert those branches: for example, "BEQ skip" will become
Code
	BNE +
	JMP skip
+

- Add an "intermediate" label, let's say "skip2", that just jumps to "skip", and letting the branches go there instead. This works assuming you manage to place it in between the branches and the skip label, and it shouldn't break the flow of the code (for example, put it after a RTS,RTL,BRA or JMP).
If the branch destination ends up to short, you have to combine it with a JMP which can jump anywhere in the same bank. So instead of writing code as "if X then skip", you write "if !X then code else skip".

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Rest in peace, Near.
Thanks guys!! No errors now.

YY-CHR > Photoshop
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Forum Index - SMW Hacking - SMW Hacking Help - ASM & Related Topics - Branch out of bounds

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