It’s a speed thing, cheaper to sum a few hundred words, than a few million.
But I think this might be an attempt from NEC to make the 3rd party firmware mods more difficult.
Seem to recall they used big endian too, and the 4550 uses a similar one as the outer sum used in the flashing process.Īs for the counting only certain parts of the 64k regions… I have no clue about why this is done in this way. Yes, and that big endian thing was a bit surprising. Usually not the optimal way of contacting us. It processes several files, with a files list and support d.ĭexadine's CRC Tool This CRC Tool uses Dexadine's proprietary Triple Interlaced CRC algorithm that combines three standard ISO-32 CRC's in a way that every byte of a file is part of two CRC's and every two consecutive by.My friend already tried to contact you at, but still haven’t had any success. A file's CRC is a code, which is characteristic to the file content.
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