INT 21,3C - Create File Using Handle

AH = 3C

CX = file attribute (see ~FILE ATTRIBUTES~)

DS:DX = pointer to ASCIIZ path name

on return:

CF = 0 if successful

= 1 if error

AX = files handle if successful

= error code if failure (see ~DOS ERROR CODES~)

- if file already exists, it is truncated to zero bytes on opening