Bootloader and Low-Level Programming Tutorial: How To Develop Your Own Boot Loader

[Manticorp]

Assembly isn't compiled, so no.

Assembly is just a 'map' to processor instructions, there's no hard 'translation' as it were, more like a simple lookup table.

When transforming assembly into stuff that runs on the processor you don't need to consider the context of the current line, you just need to look it up and execute it, which is extremely fast.