INT E0 - ConcCP/MConcurrent CP/M by Digital Research, now DR Multiuser DOS,DR Multiuser DOS - "C_DETACH" - DETACH FROM DEFAULT CONSOLE
	CL = 93h
Return: AX = status
	    0000h successfully detached
	    FFFFh detach failed
Note:	also supported by REAL/32
SeeAlso: INT E0/CL=92h,INT E0/CL=A6h