Atari ST series Technical Reference Manual page 265

Set Disk Transfer Address
Fsetdta()
This function allows you to change the Disk Transfer Address, which
points to the buffer used for disk read operations. This buffer is used as a
scratch area for directory searches.
C macro format
char dta[44];
Fsetdta(dta);
Machine language format
move.l dta, - (sp)
move.w #$1 A, - (sp)
#1
trap
addq.l #6,sp
Inputs
dta long
Results
None
See also
Fgetdta(), Fsfirst(), Fsnext()
Fsetdta
Opcode =
A pointer to the DTA buffer that will be
used from now on.
($1A)
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