The following image is a piece of disassembled code that was compiled for the MSP430F1611. The code is found in many programs, but in this one it is accidentally vestigial as a result of a compiler bug. Please comment as to (1) which compiler generated the code, (2) what the code was intended to do, and (3) why the code is vestigial in the example, but might not be in another program. Translations to C or psuedocode and commented write-ups are also nice. The MSP430F1xx Family Guide might be handy if you're unfamiliar with the architecture.
I'll send a GoodFET board to the most insightful commentator, but as I send those boards out to anyone who asks, you're really only commenting for the neighborliness of it all. If I get enough replies, I'll post one of these each month.
Also, I saw a lot of good work on last month's Masked ROM Challenge while I was a Cleveland, but next to nothing has been sent my way. If you made significant progress, such as semi-automated extraction of the bits, please email me.
--Travis Goodspeed
<travis at radiantmachines.com>
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