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A comment on Reverse engineering a custom CPU from a single program.

Re:Reverse engineering a custom CPU from a single program by zests on Wednesday September 25, 2019 @11:06AM (#21071443)
How did they even get the game running in the first place?
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Re:Reverse engineering a custom CPU from a single program by artemist on Wednesday September 25, 2019 @12:53PM (#21072613)
There was a server that we socat'ed into. (I made some minor contributions to solving this problem on PPP)
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Re:Reverse engineering a custom CPU from a single program by woodrowbarlow on Wednesday September 25, 2019 @12:59PM (#21072691)
the CTF prompt is fiction. they wrote a CPU emulator in about 300 lines of C!

https://github.com/koriakin/cpuadventure/blob/master/emu.c

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