Sharp mz-3500 Manual For Use page 248

Section A:
System interface
************************************************************************
*
*
*
HJ3 - Write XFCB
*
*
*
*************************************************~**********************
On entry:
c
DE
On return:
A
H
67H
Address of XFCB
0'FFH
0
Possible logical errors:
- none -
Possible physical errors:
- none -
Differences to CP/M plus:
Function not implemented.
Differences to CP/M 2.2 resp. DiCOS:
New function.
Under CP/M plus, this function is used to create passwords for a file.
Because EOS does not support passwords, the call is ignored and the
registers are set as stated above.
EOS System manual Daeumling
&
Zimmermann Page 111