On 05.01.2005, at 18:27, Dave Neary wrote:

Before people get high-horsey about this, consider that 90% of digital cameras
have embedded DOS as their OS, and are thus unable to generate files which are
not 8.3.

I don't think it is pretty safe to assume that FAT support means that anything close to DOS could be the operating system of a camera; for one DOS has too many limitation with regards to linear addressing of memory to be useful for such a device and second you'll have a hard time finding a DOS implementation outside of x86 CPUs and believe it or not but those tend to be the worst choice of processor for battery powered devices. I haven't yet disassembled one of my cameras but I bet each of them is either powered by a DSP (from TI maybe) or a powerful but very powerefficient RISC design (PowerPC, ARM, SPARC, ... you name it) or a custom design with any of the above included.

BTW: Implementing FAT12/16 is so simple that one can take a
course in university to learn it.


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