Starting from 0.9-2Xb-u5, my homebrew rom doesn't work on gpSP.
baroslized-gba.zip
It worked well on 0.9-2Xb-u4. But since u5, the message below is printed:
switching to ROM mmap
Segmentation fault
As I didn't know about GBA well, I may have missed something making the rom. Anyway, is there...