Offset Contains
0 disc flags
3 filing system number
4 offset of filing system title from module base
8 offset of boot text from module base
12 offset of low level disc op entry from module base
16 offset of low level miscellaneous entry from module base
Disc flags
Bit Meaning when set
0 Hard discs need FIQ
1 Floppies need FIQ
2 Reserved must be zero
3 Use only scratch space when a temporary buffer is needed
4 Hard discs support mount like floppies do (see MiscOp 0)
5 Hard discs support poll change (ie the poll change call works for hard discs and returns a sensible value; also locking them gives a sensible result)
6 Floppies support power eject
7 Hard discs support power eject
8 Read drive flags is supported
9 Sector addressing is possible (3.60+)
10 Module returns new-style errors (5.00+)
11 Floppy discs support mount like hard discs do (see MiscOp 0) (5.20+)
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