INT E0 - REAL/32 - "C_CATTACH" - CONDITIONALLY ATTACH TO DEFAULT CONSOLE
	CL = A2h
Return: AL = status (FFh = console attached to another process)
Note:	if the console is currently owned by another process, this function
	  will return an error code instead of attaching or waiting
SeeAlso: INT E0/CL=93h,INT E0/CL=94h,INT E0/CL=99h,INT E0/CL=92h