I'm having a lot of fun hacking this ancient Windows CE PDA. The bootrom, kernel, framebuffer, and anything else you might want are just... mapped into userspace.pic.twitter.com/RRoFCrU5v4
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(although it's not *really* a bootROM, since it's on writable flash)
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I don't want to reflash the firmware, because if I write bad code then I get a brick. So instead, I overwrite the sleep state registers before putting the device to sleep. Once it powers back on, the bootloader jumps to my code (in ram).pic.twitter.com/RWyt2PQgLV
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