Register parameters
RST 20H, DEFW $8809
The directory name must not contain wildcards (standard convention).
However if a RAM device is not specified, it will automatically be included
(the current) into the directory name.
The buffer of the directory name must have space enough to get itself expanded
with a device name (additional 6 bytes).
IN: BHL = pointer to null-terminated directory path name
out, if successful:
Fc = 0, directory successfully created
out, if failed:
Fc = 1, unable to create directory
A = error code:
RC_IVF, Invalid directory path name
RC_USE, Directory in use
RC_EXIS, Directory already exists
registers changed after return:
A.BCDEHL/IXIY same
.F....../.... differentIN:
Notes
- Only accept explicit filenames (wildcard are not allowed).
- The filename must be terminated by a control character, eg. null (0) or CR (13).
- :EPR.x files are deleted from the filesystem tree and marked as deleted in the filearea.