CALL 0060h:001Bh - Eagle MS-DOS v1.25 IO.SYS - DETERMINE DISK FORMAT            
InstallCheck:	MS-DOS v1.25 must be installed
SeeAlso: @0060h:0000h,@0060h:0015h,@0060h:002Ah


(Table F0009)
Call Eagle MS-DOS entry point 001Bh with:
	AL = DOS drive number
Return: CF clear if successful
	    AL = drive table number
	    AH = ??? flag
		00h ???
		FFh ???
	CF set on error
	    AL = error code
		02h ???
		0Ch unrecognized format