OS_Dom, Open director memory
Register parameters
RST 20H, DEFW $FE06
IN:
-
OUT, if successful:
Fc = 0
IX = handle for Director memory
OUT, if failed:
Fc = 1
A = RC_ROOM
IX = 0
Registers changed after return:
..BCDEHL/..IY same
AF....../IX.. different Notes
Internal operating system usage.