VMEX OS
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- VMEX virtual processor engine + serial console + hex loader only (8kB)
- VMEX tests program (32kB)
- VMEX monitor program core (8kB)
- VMEX monitor program full (32kB)
- VMEX CLI program + FS access (64kB)

VMEX FS
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- NO SUBDRIVE LETTERS - BUT SUBDRIVE/FOLDER NAMES

- MOUNTING SUBDRIVES/FOLDERS AS FILES

- SINGLE ROOT (SUBDRIVE) CONTAINING MOUNTED SUBDRIVES (AS FILES) + FILES

- BLOCK = 512 Byte ??? best depends on card controller !!!

- 256 blocks per FILE = single file ALWAYS 128kB (allocation unit)
  (first block #0 is always FILE NAME + ANY MEATDATA)

- 256 files per SUBDRIVE = 256*128kB = 32MB (folder size)
  (first file #0 is always SUBDRIVE TREE)
  (FILE can be also SUBDRIVE/FOLDER)