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MFDSP$–Master File Directory Service Package
Returns
On all returns, registers A0 through A3 are set as follows:
A0
A1
A2
A3
A5
Unchanged.
Main storage address of requested item or zero if the requested item could not be
found.
Item type bits (rightmost bit is bit 35):
Bit 35 Lead item
Bit 34 Sector 0 or first item
Bit 33 Sector 1 or extension or continuation item
Bit 31 Main item
Bit 29 DAD table
Bits 33 and 34 may be set with any of the other bits.
For example, if A2 = 0102, then the item returned is the first DAD table.
Error code (if error return is taken). Zero if the item is not found.
MFD address of requested item or zero if the requested item could not be obtained.
Amount of D-bank required for the packet supplied to MFDSP$.
13–4 7833 1733–004