Z88 Developers' Notes
Contents   Contents of System Calls

OS_Dom, open director memory

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.
Bugs: