Those 2017 instructions seem based on my guide online for years: http://www.santelloc...2sd.htm#english
ON-SCREEN LOADER INSTRUCTIONS (v3.5)
ARROWS/JOYSTICK select file .xex or disk image .atr
KEYS 1-8 mount selected file/image into drives 1-8
CTRL+T lets you toggle between real drives / virtual drives
ESC climb directory tree
X (long press) restart computer with selected images
RETURN/FIRE enter directory/load file/disk image
Loader Instructions (v3.5):
ARROWS/JOYSTICK: select directory/file (.xex) or disk image (.atr)
RETURN/FIRE: enter directory/load file/disk image
KEYS 1-8: mount selected file/image into drives 1-8
ESC: go back through the directory tree.
X: (long press) restart computer with selected image(s).
CTRL+T: lets you toggle between real drives / virtual drives
Anyway, the important thing is that they can help people use SIO2SD.