millfork/docs/api/lunix-programming-guide.md

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A note about LUnix

LUnix uses relocatable code, which means that object addresses (.addr) are not constants. To help with this problem, new constants are defined, with a .rawaddr suffix. They are not relocated, so to use them, you need to manually relocate them by adding relocation_offset to their high bytes:

pointer p
p = variable.rawaddr
p.hi += relocation_offset