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farmerbb / RED-Project

ROM Extraction Documentation Project
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Astro City Mini notes #69

Open farmerbb opened 1 year ago

farmerbb commented 1 year ago

A hack was just released for the Astro City Mini which performs a firmware backup before installing Batocera.

nandd.img from the backup contains the Astro City Mini's rootfs, with the ROMs contained inside the executable file /usr/astro/astro.

Using the binwalk program, a zip file containing the ROMs can be extracted from the astro executable (by running binwalk -e astro.

Unfortunately, the ROMs inside the zip file are password-protected, which leaves us in a similar situation as the Taito Egret II mini firmware (see #67).

farmerbb commented 1 year ago

Definitely seems possible to extract the ROMs from the zip file and convert them to MAME format, as evidenced here:

https://twitter.com/bakueikozo/status/1344655854855979008

https://twitter.com/bakueikozo/status/1344872267570839554