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Raw Game Fails to Load, but ELF Works #2192

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ammrat13 opened this issue May 19, 2021 · 4 comments
Closed

Raw Game Fails to Load, but ELF Works #2192

ammrat13 opened this issue May 19, 2021 · 4 comments
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mGBA 0.10.0

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@ammrat13
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Running mGBA version 0.9.1 on Arch Linux from the repositories (package mgba-qt). CPU is AMD Ryzen 5 2600X. GPU is Nvidia GeForce GTX 1650 Super.

I'm trying to test my homebrew game on mGBA. Source, object file, ELF file, and GBA file are in test_game.zip. Loading the ELF file into mGBA works fine, but loading the GBA file gives

The game has crashed with the following error:
Jumped to invalid address: 00000000
@endrift
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endrift commented May 19, 2021

I haven't looked at the file yet but my first guess is that it's misdetecting whether or not it's multiboot. Will look in depth in a bit.

@ammrat13
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Probably. It's being loaded at 0x0200_0000 instead of 0x0800_0000.

@ammrat13
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Resolved by making the ROM file 32MiB. Probably works because of the check here.

@endrift
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endrift commented May 19, 2021

Yes, that check will resolve this, but I'm concerned that it's misdetecting regardless.

@ammrat13 ammrat13 reopened this May 19, 2021
@endrift endrift added this to the mGBA 0.10.0 milestone Jan 17, 2022
rtomasa pushed a commit to rtomasa/mgba that referenced this issue Sep 15, 2023
@endrift @rtomasa
GBA: Refine multiboot detection (fixes mgba-emu#2192)
d5053f1
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@endrift @ammrat13